diff options
Diffstat (limited to 'cut-n-paste/synctex/synctex_parser.c')
| -rw-r--r-- | cut-n-paste/synctex/synctex_parser.c | 8926 |
1 files changed, 0 insertions, 8926 deletions
diff --git a/cut-n-paste/synctex/synctex_parser.c b/cut-n-paste/synctex/synctex_parser.c deleted file mode 100644 index 4f15657b..00000000 --- a/cut-n-paste/synctex/synctex_parser.c +++ /dev/null @@ -1,8926 +0,0 @@ -/* - Copyright (c) 2008-2017 jerome DOT laurens AT u-bourgogne DOT fr - - This file is part of the __SyncTeX__ package. - - [//]: # (Latest Revision: Sun Oct 15 15:09:55 UTC 2017) - [//]: # (Version: 1.21) - - See `synctex_parser_readme.md` for more details - - ## License - - Permission is hereby granted, free of charge, to any person - obtaining a copy of this software and associated documentation - files (the "Software"), to deal in the Software without - restriction, including without limitation the rights to use, - copy, modify, merge, publish, distribute, sublicense, and/or sell - copies of the Software, and to permit persons to whom the - Software is furnished to do so, subject to the following - conditions: - - The above copyright notice and this permission notice shall be - included in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES - OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT - HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - OTHER DEALINGS IN THE SOFTWARE - - Except as contained in this notice, the name of the copyright holder - shall not be used in advertising or otherwise to promote the sale, - use or other dealings in this Software without prior written - authorization from the copyright holder. - - Acknowledgments: - ---------------- - The author received useful remarks from the pdfTeX developers, especially Hahn The Thanh, - and significant help from XeTeX developer Jonathan Kew - - Nota Bene: - ---------- - If you include or use a significant part of the synctex package into a software, - I would appreciate to be listed as contributor and see "SyncTeX" highlighted. - - */ - -/* We assume that high level application like pdf viewers will want - * to embed this code as is. We assume that they also have locale.h and setlocale. - * For other tools such as TeXLive tools, you must define SYNCTEX_USE_LOCAL_HEADER, - * when building. You also have to create and customize synctex_parser_local.h to fit your system. - * In particular, the HAVE_LOCALE_H and HAVE_SETLOCALE macros should be properly defined. - * With this design, you should not need to edit this file. */ - -/** - * \file synctex_parser.c - * \brief SyncTeX file parser and controller. - * - author: Jérôme LAURENS - * \version 1.21 - * \date Sun Oct 15 15:09:55 UTC 2017 - * - * Reads and parse *.synctex[.gz] files, - * performs edit and display queries. - * - * See - * - synctex_scanner_new_with_output_file - * - synctex_scanner_parse - * - synctex_scanner_free - * - synctex_display_query - * - synctex_edit_query - * - synctex_scanner_next_result - * - synctex_scanner_reset_result - * - * The data is organized in a graph with multiple entries. - * The root object is a scanner, it is created with the contents on a synctex file. - * Each node of the tree is a synctex_node_t object. - * There are 3 subtrees, two of them sharing the same leaves. - * The first tree is the list of input records, where input file names are associated with tags. - * The second tree is the box tree as given by TeX when shipping pages out. - * First level objects are sheets and forms, containing boxes, glues, kerns... - * The third tree allows to browse leaves according to tag and line. - */ -# if defined(SYNCTEX_USE_LOCAL_HEADER) -# include "synctex_parser_local.h" -# else -# define HAVE_LOCALE_H 1 -# define HAVE_SETLOCALE 1 -# if defined(_MSC_VER) -# define SYNCTEX_INLINE __inline -# else -# define SYNCTEX_INLINE inline -# endif -# endif - -#include <stdlib.h> -#include <stdarg.h> -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <limits.h> - -#if defined(HAVE_LOCALE_H) -#include <locale.h> -#endif - -/* Mark unused parameters, so that there will be no compile warnings. */ -#ifdef __DARWIN_UNIX03 -# define SYNCTEX_UNUSED(x) SYNCTEX_PRAGMA(unused(x)) -# define SYNCTEX_PRAGMA(x) _Pragma ( #x ) -#else -# define SYNCTEX_UNUSED(x) (void)(x); -#endif - -#include "synctex_parser_advanced.h" - -SYNCTEX_INLINE static int _synctex_abs(int x) { - return x>0? x: -x; -} -/* These are the possible extensions of the synctex file */ -const char * synctex_suffix = ".synctex"; -const char * synctex_suffix_gz = ".gz"; - -typedef synctex_node_p(*synctex_node_new_f)(synctex_scanner_p); -typedef void(*synctex_node_fld_f)(synctex_node_p); -typedef char *(*synctex_node_str_f)(synctex_node_p); - -/** - * Pseudo class. - * - author: J. Laurens - * - * Each nodes has a class, it is therefore called an object. - * Each class has a unique scanner. - * Each class has a type which is a unique identifier. - * The class points to various methods, - * each of them vary amongst objects. - * Each class has a data model which stores node's attributes. - * Each class has an tree model which stores children and parent. - * Inspectors give access to data and tree elements. - */ - -/* 8 fields + size: spcflnat */ -typedef struct synctex_tree_model_t { - int sibling; - int parent; - int child; - int friend; - int last; - int next_hbox; - int arg_sibling; - int target; - int size; -} synctex_tree_model_s; -typedef const synctex_tree_model_s * synctex_tree_model_p; - -typedef struct synctex_data_model_t { - int tag; - int line; - int column; - int h; - int v; - int width; - int height; - int depth; - int mean_line; - int weight; - int h_V; - int v_V; - int width_V; - int height_V; - int depth_V; - int name; - int page; - int size; -} synctex_data_model_s; - -typedef const synctex_data_model_s * synctex_data_model_p; - -typedef int (*synctex_int_getter_f)(synctex_node_p); -typedef struct synctex_tlcpector_t { - synctex_int_getter_f tag; - synctex_int_getter_f line; - synctex_int_getter_f column; -} synctex_tlcpector_s; -typedef const synctex_tlcpector_s * synctex_tlcpector_p; -static int _synctex_int_none(synctex_node_p node) { - SYNCTEX_UNUSED(node) - return 0; -} -static const synctex_tlcpector_s synctex_tlcpector_none = { - &_synctex_int_none, /* tag */ - &_synctex_int_none, /* line */ - &_synctex_int_none, /* column */ -}; - -typedef struct synctex_inspector_t { - synctex_int_getter_f h; - synctex_int_getter_f v; - synctex_int_getter_f width; - synctex_int_getter_f height; - synctex_int_getter_f depth; -} synctex_inspector_s; -typedef const synctex_inspector_s * synctex_inspector_p; -static const synctex_inspector_s synctex_inspector_none = { - &_synctex_int_none, /* h */ - &_synctex_int_none, /* v */ - &_synctex_int_none, /* width */ - &_synctex_int_none, /* height */ - &_synctex_int_none, /* depth */ -}; - -typedef float (*synctex_float_getter_f)(synctex_node_p); -typedef struct synctex_vispector_t { - synctex_float_getter_f h; - synctex_float_getter_f v; - synctex_float_getter_f width; - synctex_float_getter_f height; - synctex_float_getter_f depth; -} synctex_vispector_s; -static float _synctex_float_none(synctex_node_p node) { - SYNCTEX_UNUSED(node) - return 0; -} -static const synctex_vispector_s synctex_vispector_none = { - &_synctex_float_none, /* h */ - &_synctex_float_none, /* v */ - &_synctex_float_none, /* width */ - &_synctex_float_none, /* height */ - &_synctex_float_none, /* depth */ -}; -typedef const synctex_vispector_s * synctex_vispector_p; - -struct synctex_class_t { - synctex_scanner_p scanner; - synctex_node_type_t type; - synctex_node_new_f new; - synctex_node_fld_f free; - synctex_node_fld_f log; - synctex_node_fld_f display; - synctex_node_str_f abstract; - synctex_tree_model_p navigator; - synctex_data_model_p modelator; - synctex_tlcpector_p tlcpector; - synctex_inspector_p inspector; - synctex_vispector_p vispector; -}; - -/** - * Nota bene: naming convention. - * For static API, when the name contains "proxy", it applies to proxies. - * When the name contains "noxy", it applies to non proxies only. - * When the name contains "node", well it depends... - */ - -typedef synctex_node_p synctex_proxy_p; -typedef synctex_node_p synctex_noxy_p; - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark Abstract OBJECTS and METHODS -# endif - -/** - * \def SYNCTEX_MSG_SEND - * \brief Takes care of sending the given message if possible. - * - parameter NODE: of type synctex_node_p - * - parameter SELECTOR: one of the class_ pointer properties - */ -# define SYNCTEX_MSG_SEND(NODE,SELECTOR) do {\ - synctex_node_p N__ = NODE;\ - if (N__ && N__->class_->SELECTOR) {\ - (*(N__->class_->SELECTOR))(N__);\ - }\ -} while (synctex_NO) - -/** - * Free the given node by sending the free message. - * - parameter NODE: of type synctex_node_p - */ -void synctex_node_free(synctex_node_p node) { - SYNCTEX_MSG_SEND(node,free); -} -# if defined(SYNCTEX_TESTING) -# if !defined(SYNCTEX_USE_HANDLE) -# define SYNCTEX_USE_HANDLE 1 -# endif -# if !defined(SYNCTEX_USE_CHARINDEX) -# define SYNCTEX_USE_CHARINDEX 1 -# endif -# endif -SYNCTEX_INLINE static synctex_node_p _synctex_new_handle_with_target(synctex_node_p target); -# if defined(SYNCTEX_USE_HANDLE) -# define SYNCTEX_SCANNER_FREE_HANDLE(SCANR) \ -__synctex_scanner_free_handle(SCANR) -# define SYNCTEX_SCANNER_REMOVE_HANDLE_TO(WHAT) \ -__synctex_scanner_remove_handle_to(WHAT) -# define SYNCTEX_REGISTER_HANDLE_TO(NODE) \ -__synctex_scanner_register_handle_to(NODE) -# else -# define SYNCTEX_SCANNER_FREE_HANDLE(SCANR) -# define SYNCTEX_SCANNER_REMOVE_HANDLE_TO(WHAT) -# define SYNCTEX_REGISTER_HANDLE_TO(NODE) -# endif - -# if defined(SYNCTEX_USE_CHARINDEX) -# define SYNCTEX_CHARINDEX(NODE) (NODE->char_index) -# define SYNCTEX_LINEINDEX(NODE) (NODE->line_index) -# define SYNCTEX_PRINT_CHARINDEX_FMT "#%i" -# define SYNCTEX_PRINT_CHARINDEX_WHAT ,SYNCTEX_CHARINDEX(node) -# define SYNCTEX_PRINT_CHARINDEX \ - printf(SYNCTEX_PRINT_CHARINDEX_FMT SYNCTEX_PRINT_CHARINDEX_WHAT) -# define SYNCTEX_PRINT_LINEINDEX_FMT "L#%i" -# define SYNCTEX_PRINT_LINEINDEX_WHAT ,SYNCTEX_LINEINDEX(node) -# define SYNCTEX_PRINT_LINEINDEX \ - printf(SYNCTEX_PRINT_LINEINDEX_FMT SYNCTEX_PRINT_LINEINDEX_WHAT) -# define SYNCTEX_PRINT_CHARINDEX_NL \ - printf(SYNCTEX_PRINT_CHARINDEX_FMT "\n" SYNCTEX_PRINT_CHARINDEX_WHAT) -# define SYNCTEX_PRINT_LINEINDEX_NL \ - printf(SYNCTEX_PRINT_CHARINDEX_FMT "\n"SYNCTEX_PRINT_LINEINDEX_WHAT) -# define SYNCTEX_IMPLEMENT_CHARINDEX(NODE,CORRECTION)\ - NODE->char_index = (synctex_charindex_t)(scanner->reader->charindex_offset+SYNCTEX_CUR-SYNCTEX_START+(CORRECTION)); \ - NODE->line_index = scanner->reader->line_number; -# else -# define SYNCTEX_CHARINDEX(NODE) 0 -# define SYNCTEX_LINEINDEX(NODE) 0 -# define SYNCTEX_PRINT_CHARINDEX_FMT -# define SYNCTEX_PRINT_CHARINDEX_WHAT -# define SYNCTEX_PRINT_CHARINDEX -# define SYNCTEX_PRINT_CHARINDEX -# define SYNCTEX_PRINT_LINEINDEX_FMT -# define SYNCTEX_PRINT_LINEINDEX_WHAT -# define SYNCTEX_PRINT_LINEINDEX -# define SYNCTEX_PRINT_CHARINDEX_NL printf("\n") -# define SYNCTEX_PRINT_LINEINDEX_NL printf("\n") -# define SYNCTEX_IMPLEMENT_CHARINDEX(NODE,CORRECTION) -# endif - -/** - * The next macros are used to access the node tree info - * SYNCTEX_DATA(node) points to the first synctex integer or pointer data of node - * SYNCTEX_DATA(node)[index] is the information at index - * for example, the page of a sheet is stored in SYNCTEX_DATA(sheet)[_synctex_data_page_idx] - * - parameter NODE: of type synctex_node_p - * If the name starts with "__", the argument is nonullable - */ -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark Tree SETGET -# endif - -#if SYNCTEX_DEBUG > 1000 -#define SYNCTEX_PARAMETER_ASSERT(WHAT) \ - do { \ - if (!(WHAT)) { \ - printf("! Parameter failure: %s\n",#WHAT); \ - } \ - } while (synctex_NO) -#define DEFINE_SYNCTEX_TREE_HAS(WHAT)\ -static synctex_bool_t _synctex_tree_has_##WHAT(synctex_node_p node) {\ - if (node) {\ - if (node->class_->navigator->WHAT>=0) {\ - return synctex_YES; \ - } else {\ - printf("WARNING: NO tree %s for %s\n", #WHAT, synctex_node_isa(node));\ - }\ - }\ - return synctex_NO;\ -} -#else -#define SYNCTEX_PARAMETER_ASSERT(WHAT) -#define DEFINE_SYNCTEX_TREE_HAS(WHAT) \ -static synctex_bool_t _synctex_tree_has_##WHAT(synctex_node_p node) {\ - return (node && (node->class_->navigator->WHAT>=0));\ -} -#endif - -# define DEFINE_SYNCTEX_TREE__GET(WHAT) \ -SYNCTEX_INLINE static synctex_node_p __synctex_tree_##WHAT(synctex_non_null_node_p node) {\ - return node->data[node->class_->navigator->WHAT].as_node;\ -} -# define DEFINE_SYNCTEX_TREE_GET(WHAT) \ -DEFINE_SYNCTEX_TREE__GET(WHAT) \ -static synctex_node_p _synctex_tree_##WHAT(synctex_node_p node) {\ - if (_synctex_tree_has_##WHAT(node)) {\ - return __synctex_tree_##WHAT(node);\ - }\ - return 0;\ -} -# define DEFINE_SYNCTEX_TREE__RESET(WHAT) \ -SYNCTEX_INLINE static synctex_node_p __synctex_tree_reset_##WHAT(synctex_non_null_node_p node) {\ - synctex_node_p old = node->data[node->class_->navigator->WHAT].as_node;\ - node->data[node->class_->navigator->WHAT].as_node=NULL;\ - return old;\ -} -# define DEFINE_SYNCTEX_TREE_RESET(WHAT) \ -DEFINE_SYNCTEX_TREE__RESET(WHAT) \ -SYNCTEX_INLINE static synctex_node_p _synctex_tree_reset_##WHAT(synctex_node_p node) {\ - return _synctex_tree_has_##WHAT(node)? \ - __synctex_tree_reset_##WHAT(node): NULL; \ -} -# define DEFINE_SYNCTEX_TREE__SET(WHAT) \ -SYNCTEX_INLINE static synctex_node_p __synctex_tree_set_##WHAT(synctex_non_null_node_p node, synctex_node_p new_value) {\ - synctex_node_p old = __synctex_tree_##WHAT(node);\ - node->data[node->class_->navigator->WHAT].as_node=new_value;\ - return old;\ -} -# define DEFINE_SYNCTEX_TREE_SET(WHAT) \ -DEFINE_SYNCTEX_TREE__SET(WHAT) \ -SYNCTEX_INLINE static synctex_node_p _synctex_tree_set_##WHAT(synctex_node_p node, synctex_node_p new_value) {\ - return _synctex_tree_has_##WHAT(node)?\ - __synctex_tree_set_##WHAT(node,new_value):NULL;\ -} -# define DEFINE_SYNCTEX_TREE__GETSETRESET(WHAT) \ -DEFINE_SYNCTEX_TREE__GET(WHAT) \ -DEFINE_SYNCTEX_TREE__SET(WHAT) \ -DEFINE_SYNCTEX_TREE__RESET(WHAT) - -# define DEFINE_SYNCTEX_TREE_GETSET(WHAT) \ -DEFINE_SYNCTEX_TREE_HAS(WHAT) \ -DEFINE_SYNCTEX_TREE_GET(WHAT) \ -DEFINE_SYNCTEX_TREE_SET(WHAT) - -# define DEFINE_SYNCTEX_TREE_GETRESET(WHAT) \ -DEFINE_SYNCTEX_TREE_HAS(WHAT) \ -DEFINE_SYNCTEX_TREE_GET(WHAT) \ -DEFINE_SYNCTEX_TREE_RESET(WHAT) - -# define DEFINE_SYNCTEX_TREE_GETSETRESET(WHAT) \ -DEFINE_SYNCTEX_TREE_HAS(WHAT) \ -DEFINE_SYNCTEX_TREE_GET(WHAT) \ -DEFINE_SYNCTEX_TREE_SET(WHAT) \ -DEFINE_SYNCTEX_TREE_RESET(WHAT) - -/* - * _synctex_tree_set_... methods return the old value. - * The return value of _synctex_tree_set_child and - * _synctex_tree_set_sibling must be released somehown. - */ -DEFINE_SYNCTEX_TREE__GETSETRESET(sibling) -DEFINE_SYNCTEX_TREE_GETSETRESET(parent) -DEFINE_SYNCTEX_TREE_GETSETRESET(child) -DEFINE_SYNCTEX_TREE_GETSETRESET(friend) -DEFINE_SYNCTEX_TREE_GETSET(last) -DEFINE_SYNCTEX_TREE_GETSET(next_hbox) -DEFINE_SYNCTEX_TREE_GETSET(arg_sibling) -DEFINE_SYNCTEX_TREE_GETSETRESET(target) - -#if SYNCTEX_DEBUG>1000 -# undef SYNCTEX_USE_NODE_COUNT -# define SYNCTEX_USE_NODE_COUNT 1 -#endif -#if SYNCTEX_USE_NODE_COUNT>0 -# define SYNCTEX_DECLARE_NODE_COUNT int node_count; -# define SYNCTEX_INIT_NODE_COUNT \ - do { node_count = 0; } while(synctex_NO) -#else -# define SYNCTEX_DECLARE_NODE_COUNT -# define SYNCTEX_INIT_NODE_COUNT -#endif - -#if SYNCTEX_USE_NODE_COUNT>10 -# define SYNCTEX_DID_NEW(N) _synctex_did_new(N) -# define SYNCTEX_WILL_FREE(N) _synctex_will_free(N) -#else -# define SYNCTEX_DID_NEW(N) -# define SYNCTEX_WILL_FREE(N) -#endif - -#define SYNCTEX_HAS_CHILDREN(NODE) (NODE && _synctex_tree_child(NODE)) -# ifdef __SYNCTEX_WORK__ -# include "/usr/include/zlib.h" -# else -# include <zlib.h> -# endif - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark STATUS -# endif -/* When the end of the synctex file has been reached: */ -# define SYNCTEX_STATUS_EOF 0 -/* When the function could not return the value it was asked for: */ -# define SYNCTEX_STATUS_NOT_OK (SYNCTEX_STATUS_EOF+1) -/* When the function returns the value it was asked for: - It must be the biggest one */ -# define SYNCTEX_STATUS_OK (SYNCTEX_STATUS_NOT_OK+1) -/* Generic error: */ -# define SYNCTEX_STATUS_ERROR (SYNCTEX_STATUS_EOF-1) -/* Parameter error: */ -# define SYNCTEX_STATUS_BAD_ARGUMENT (SYNCTEX_STATUS_ERROR-1) - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark File reader -# endif - -/* We ensure that SYNCTEX_BUFFER_SIZE < UINT_MAX, I don't know if it makes sense... */ -/* Actually, the minimum buffer size is driven by integer and float parsing, including the unit. - * ±0.123456789e123?? - */ -# define SYNCTEX_BUFFER_MIN_SIZE 32 -# define SYNCTEX_BUFFER_SIZE 32768 - -#if SYNCTEX_BUFFER_SIZE >= UINT_MAX -# error BAD BUFFER SIZE(1) -#endif -#if SYNCTEX_BUFFER_SIZE < SYNCTEX_BUFFER_MIN_SIZE -# error BAD BUFFER SIZE(2) -#endif - -typedef struct synctex_reader_t { - gzFile file; /* The (possibly compressed) file */ - char * output; - char * synctex; - char * current; /* current location in the buffer */ - char * start; /* start of the buffer */ - char * end; /* end of the buffer */ - size_t min_size; - size_t size; - int lastv; - int line_number; - SYNCTEX_DECLARE_CHAR_OFFSET -} synctex_reader_s; - -typedef synctex_reader_s * synctex_reader_p; - -typedef struct { - synctex_status_t status; - char * synctex; - gzFile file; - synctex_io_mode_t io_mode; -} synctex_open_s; - -/* This functions opens the file at the "output" given location. - * It manages the problem of quoted filenames that appear with pdftex and filenames containing the space character. - * In TeXLive 2008, the synctex file created with pdftex did contain unexpected quotes. - * This function will remove them if possible. - * All the reference arguments will take a value on return. They must be non NULL. - * - returns: an open structure which status is - * SYNCTEX_STATUS_OK on success, - * SYNCTEX_STATUS_ERROR on failure. - * - note: on success, the caller is the owner - * of the fields of the returned open structure. - */ -static synctex_open_s __synctex_open_v2(const char * output, synctex_io_mode_t io_mode, synctex_bool_t add_quotes) { - synctex_open_s open = {SYNCTEX_STATUS_ERROR, NULL, NULL, io_mode}; - char * quoteless_synctex_name = NULL; - const char * mode = _synctex_get_io_mode_name(open.io_mode); - size_t size = strlen(output)+strlen(synctex_suffix)+strlen(synctex_suffix_gz)+1; - if (NULL == (open.synctex = (char *)malloc(size))) { - _synctex_error("! __synctex_open_v2: Memory problem (1)\n"); - return open; - } - /* we have reserved for synctex enough memory to copy output (including its 2 eventual quotes), both suffices, - * including the terminating character. size is free now. */ - if (open.synctex != strcpy(open.synctex,output)) { - _synctex_error("! __synctex_open_v2: Copy problem\n"); - return_on_error: - free(open.synctex); - open.synctex = NULL; - free(quoteless_synctex_name);/* We MUST have quoteless_synctex_name<>synctex_name */ - return open; - } - /* remove the last path extension if any */ - _synctex_strip_last_path_extension(open.synctex); - if (!strlen(open.synctex)) { - goto return_on_error; - } - /* now insert quotes. */ - if (add_quotes) { - char * quoted = NULL; - if (_synctex_copy_with_quoting_last_path_component(open.synctex,"ed,size) || quoted == NULL) { - /* There was an error or quoting does not make sense: */ - goto return_on_error; - } - quoteless_synctex_name = open.synctex; - open.synctex = quoted; - } - /* Now add to open.synctex the first path extension. */ - if (open.synctex != strcat(open.synctex,synctex_suffix)){ - _synctex_error("! __synctex_open_v2: Concatenation problem (can't add suffix '%s')\n",synctex_suffix); - goto return_on_error; - } - /* Add to quoteless_synctex_name as well, if relevant. */ - if (quoteless_synctex_name && (quoteless_synctex_name != strcat(quoteless_synctex_name,synctex_suffix))){ - free(quoteless_synctex_name); - quoteless_synctex_name = NULL; - } - if (NULL == (open.file = gzopen(open.synctex,mode))) { - /* Could not open this file */ - if (errno != ENOENT) { - /* The file does exist, this is a lower level error, I can't do anything. */ - _synctex_error("could not open %s, error %i\n",open.synctex,errno); - goto return_on_error; - } - /* Apparently, there is no uncompressed synctex file. Try the compressed version */ - if (open.synctex != strcat(open.synctex,synctex_suffix_gz)){ - _synctex_error("! __synctex_open_v2: Concatenation problem (can't add suffix '%s')\n",synctex_suffix_gz); - goto return_on_error; - } - open.io_mode |= synctex_io_gz_mask; - mode = _synctex_get_io_mode_name(open.io_mode); /* the file is a compressed and is a binary file, this caused errors on Windows */ - /* Add the suffix to the quoteless_synctex_name as well. */ - if (quoteless_synctex_name && (quoteless_synctex_name != strcat(quoteless_synctex_name,synctex_suffix_gz))){ - free(quoteless_synctex_name); - quoteless_synctex_name = NULL; - } - if (NULL == (open.file = gzopen(open.synctex,mode))) { - /* Could not open this file */ - if (errno != ENOENT) { - /* The file does exist, this is a lower level error, I can't do anything. */ - _synctex_error("Could not open %s, error %i\n",open.synctex,errno); - } - goto return_on_error; - } - } - /* At this point, the file is properly open. - * If we are in the add_quotes mode, we change the file name by removing the quotes. */ - if (quoteless_synctex_name) { - gzclose(open.file); - if (rename(open.synctex,quoteless_synctex_name)) { - _synctex_error("Could not rename %s to %s, error %i\n",open.synctex,quoteless_synctex_name,errno); - /* We could not rename, reopen the file with the quoted name. */ - if (NULL == (open.file = gzopen(open.synctex,mode))) { - /* No luck, could not re open this file, something has happened meanwhile */ - if (errno != ENOENT) { - /* The file does not exist any more, it has certainly be removed somehow - * this is a lower level error, I can't do anything. */ - _synctex_error("Could not open again %s, error %i\n",open.synctex,errno); - } - goto return_on_error; - } - } else { - /* The file has been successfully renamed */ - if (NULL == (open.file = gzopen(quoteless_synctex_name,mode))) { - /* Could not open this file */ - if (errno != ENOENT) { - /* The file does exist, this is a lower level error, I can't do anything. */ - _synctex_error("Could not open renamed %s, error %i\n",quoteless_synctex_name,errno); - } - goto return_on_error; - } - /* The quote free file name should replace the old one:*/ - free(open.synctex); - open.synctex = quoteless_synctex_name; - quoteless_synctex_name = NULL; - } - } - /* The operation is successfull, return the arguments by value. */ - open.status = SYNCTEX_STATUS_OK; - return open; -} - -/* Opens the ouput file, taking into account the eventual build_directory. - * - returns: an open structure which status is - * SYNCTEX_STATUS_OK on success, - * SYNCTEX_STATUS_ERROR on failure. - * - note: on success, the caller is the owner - * of the fields of the returned open structure. - */ -static synctex_open_s _synctex_open_v2(const char * output, const char * build_directory, synctex_io_mode_t io_mode, synctex_bool_t add_quotes) { - synctex_open_s open = __synctex_open_v2(output,io_mode,add_quotes); - if (open.status == SYNCTEX_STATUS_OK) { - return open; - } - if (build_directory && strlen(build_directory)) { - char * build_output; - const char *lpc; - size_t size; - synctex_bool_t is_absolute; - build_output = NULL; - lpc = _synctex_last_path_component(output); - size = strlen(build_directory)+strlen(lpc)+2; /* One for the '/' and one for the '\0'. */ - is_absolute = _synctex_path_is_absolute(build_directory); - if (!is_absolute) { - size += strlen(output); - } - if ((build_output = (char *)_synctex_malloc(size))) { - if (is_absolute) { - build_output[0] = '\0'; - } else { - if (build_output != strcpy(build_output,output)) { - _synctex_free(build_output); - return open; - } - build_output[lpc-output]='\0'; - } - if (build_output == strcat(build_output,build_directory)) { - /* Append a path separator if necessary. */ - if (!SYNCTEX_IS_PATH_SEPARATOR(build_output[strlen(build_directory)-1])) { - if (build_output != strcat(build_output,"/")) { - _synctex_free(build_output); - return open; - } - } - /* Append the last path component of the output. */ - if (build_output != strcat(build_output,lpc)) { - _synctex_free(build_output); - return open; - } - open = __synctex_open_v2(build_output,io_mode,add_quotes); - } - _synctex_free(build_output); - } /* if ((build_output... */ - } /* if (build_directory...) */ - return open; -} -void synctex_reader_free(synctex_reader_p reader) { - if (reader) { - _synctex_free(reader->output); - _synctex_free(reader->synctex); - _synctex_free(reader->start); - gzclose(reader->file); - _synctex_free(reader); - } -} -/* - * Return reader on success. - * Deallocate reader and return NULL on failure. - */ -synctex_reader_p synctex_reader_init_with_output_file(synctex_reader_p reader, const char * output, const char * build_directory) { - if (reader) { - /* now open the synctex file */ - synctex_open_s open = _synctex_open_v2(output,build_directory,0,synctex_ADD_QUOTES); - if (open.status<SYNCTEX_STATUS_OK) { - open = _synctex_open_v2(output,build_directory,0,synctex_DONT_ADD_QUOTES); - if (open.status<SYNCTEX_STATUS_OK) { - return NULL; - } - } - reader->synctex = open.synctex; - reader->file = open.file; - /* make a private copy of output */ - if (NULL == (reader->output = (char *)_synctex_malloc(strlen(output)+1))){ - _synctex_error("! synctex_scanner_new_with_output_file: Memory problem (2), reader's output is not reliable."); - } else if (reader->output != strcpy(reader->output,output)) { - _synctex_free(reader->output); - reader->output = NULL; - _synctex_error("! synctex_scanner_new_with_output_file: Copy problem, reader's output is not reliable."); - } - reader->start = reader->end = reader->current = NULL; - reader->min_size = SYNCTEX_BUFFER_MIN_SIZE; - reader->size = SYNCTEX_BUFFER_SIZE; - reader->start = reader->current = - (char *)_synctex_malloc(reader->size+1); /* one more character for null termination */ - if (NULL == reader->start) { - _synctex_error("! malloc error in synctex_reader_init_with_output_file."); - bailey: -#ifdef SYNCTEX_DEBUG - return reader; -#else - synctex_reader_free(reader); - return NULL; -#endif - } - reader->end = reader->start+reader->size; - /* reader->end always points to a null terminating character. - * Maybe there is another null terminating character between reader->current and reader->end-1. - * At least, we are sure that reader->current points to a string covering a valid part of the memory. */ -# if defined(SYNCTEX_USE_CHARINDEX) - reader->charindex_offset = -reader->size; -# endif - } - return reader; -} - -# if defined(SYNCTEX_USE_HANDLE) -# define SYNCTEX_DECLARE_HANDLE synctex_node_p handle; -# else -# define SYNCTEX_DECLARE_HANDLE -# endif - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark SCANNER -# endif -/** - * The synctex scanner is the root object. - * Is is initialized with the contents of a text file or a gzipped file. - * The buffer_.* are first used to parse the text. - */ -struct synctex_scanner_t { - synctex_reader_p reader; - SYNCTEX_DECLARE_NODE_COUNT - SYNCTEX_DECLARE_HANDLE - char * output_fmt; /* dvi or pdf, not yet used */ - synctex_iterator_p iterator;/* result iterator */ - int version; /* 1, not yet used */ - struct { - unsigned has_parsed:1; /* Whether the scanner has parsed its underlying synctex file. */ - unsigned postamble:1; /* Whether the scanner has parsed its underlying synctex file. */ - unsigned reserved:sizeof(unsigned)-2; /* alignment */ - } flags; - int pre_magnification; /* magnification from the synctex preamble */ - int pre_unit; /* unit from the synctex preamble */ - int pre_x_offset; /* X offset from the synctex preamble */ - int pre_y_offset; /* Y offset from the synctex preamble */ - int count; /* Number of records, from the synctex postamble */ - float unit; /* real unit, from synctex preamble or post scriptum */ - float x_offset; /* X offset, from synctex preamble or post scriptum */ - float y_offset; /* Y Offset, from synctex preamble or post scriptum */ - synctex_node_p input; /* The first input node, its siblings are the other input nodes */ - synctex_node_p sheet; /* The first sheet node, its siblings are the other sheet nodes */ - synctex_node_p form; /* The first form, its siblings are the other forms */ - synctex_node_p ref_in_sheet; /* The first form ref node in sheet, its friends are the other form ref nodes */ - synctex_node_p ref_in_form; /* The first form ref node, its friends are the other form ref nodes in sheet */ - int number_of_lists; /* The number of friend lists */ - synctex_node_r lists_of_friends;/* The friend lists */ - synctex_class_s class_[synctex_node_number_of_types]; /* The classes of the nodes of the scanner */ - int display_switcher; - char * display_prompt; -}; - -/** - * Create a new node of the given type. - * - parameter scanner: of type synctex_node_p - * - parameter type: a type, the client is responsible - * to ask for an acceptable type. - */ -synctex_node_p synctex_node_new(synctex_scanner_p scanner, synctex_node_type_t type) { - return scanner? scanner->class_[type].new(scanner):NULL; -} -# if defined(SYNCTEX_USE_HANDLE) -SYNCTEX_INLINE static void __synctex_scanner_free_handle(synctex_scanner_p scanner) { - synctex_node_free(scanner->handle); -} -SYNCTEX_INLINE static void __synctex_scanner_remove_handle_to(synctex_node_p node) { - synctex_node_p arg_sibling = NULL; - synctex_node_p handle = node->class_->scanner->handle; - while (handle) { - synctex_node_p sibling; - if (node == _synctex_tree_target(handle)) { - sibling = __synctex_tree_reset_sibling(handle); - if (arg_sibling) { - __synctex_tree_set_sibling(arg_sibling, sibling); - } else { - node->class_->scanner->handle = sibling; - } - synctex_node_free(handle); - break; - } else { - sibling = __synctex_tree_sibling(handle); - } - arg_sibling = handle; - handle = sibling; - } -} -SYNCTEX_INLINE static void __synctex_scanner_register_handle_to(synctex_node_p node) { - synctex_node_p NNN = _synctex_new_handle_with_target(node); - __synctex_tree_set_sibling(NNN,node->class_->scanner->handle); - node->class_->scanner->handle = NNN; -} -#endif -#if SYNCTEX_USE_NODE_COUNT>10 -SYNCTEX_INLINE static void _synctex_did_new(synctex_node_p node) { - printf("NODE CREATED # %i, %s, %p\n", - (node->class_->scanner->node_count)++, - synctex_node_isa(node), - node); -} -SYNCTEX_INLINE static void _synctex_will_free(synctex_node_p node) { - printf("NODE DELETED # %i, %s, %p\n", - --(node->class_->scanner->node_count), - synctex_node_isa(node), - node); -} -#endif - -/** - * Free the given node. - * - parameter node: of type synctex_node_p - * - note: a node is meant to own its child and sibling. - * It is not owned by its parent, unless it is its first child. - * This destructor is for all nodes with children. - */ -static void _synctex_free_node(synctex_node_p node) { - if (node) { - SYNCTEX_SCANNER_REMOVE_HANDLE_TO(node); - SYNCTEX_WILL_FREE(node); - synctex_node_free(__synctex_tree_sibling(node)); - synctex_node_free(_synctex_tree_child(node)); - _synctex_free(node); - } - return; -} -/** - * Free the given handle. - * - parameter node: of type synctex_node_p - * - note: a node is meant to own its child and sibling. - * It is not owned by its parent, unless it is its first child. - * This destructor is for all handles. - */ -static void _synctex_free_handle(synctex_node_p handle) { - if (handle) { - _synctex_free_handle(__synctex_tree_sibling(handle)); - _synctex_free_handle(_synctex_tree_child(handle)); - _synctex_free(handle); - } - return; -} - -/** - * Free the given leaf node. - * - parameter node: of type synctex_node_p, with no child nor sibling. - * - note: a node is meant to own its child and sibling. - * It is not owned by its parent, unless it is its first child. - * This destructor is for all nodes with no children. - */ -static void _synctex_free_leaf(synctex_node_p node) { - if (node) { - SYNCTEX_SCANNER_REMOVE_HANDLE_TO(node); - SYNCTEX_WILL_FREE(node); - synctex_node_free(__synctex_tree_sibling(node)); - _synctex_free(node); - } - return; -} - -/** - SYNCTEX_CUR, SYNCTEX_START and SYNCTEX_END are convenient shortcuts - */ -# define SYNCTEX_CUR (scanner->reader->current) -# define SYNCTEX_START (scanner->reader->start) -# define SYNCTEX_END (scanner->reader->end) - -/* Here are gathered all the possible status that the next scanning functions will return. - * All these functions return a status, and pass their result through pointers. - * Negative values correspond to errors. - * The management of the buffer is causing some significant overhead. - * Every function that may access the buffer returns a status related to the buffer and file state. - * status >= SYNCTEX_STATUS_OK means the function worked as expected - * status < SYNCTEX_STATUS_OK means the function did not work as expected - * status == SYNCTEX_STATUS_NOT_OK means the function did not work as expected but there is still some material to parse. - * status == SYNCTEX_STATUS_EOF means the function did not work as expected and there is no more material. - * status<SYNCTEX_STATUS_EOF means an error - */ -#if defined(SYNCTEX_USE_CHARINDEX) -synctex_node_p synctex_scanner_handle(synctex_scanner_p scanner) { - return scanner? scanner->handle:NULL; -} -#endif - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark Decoding prototypes -# endif - -typedef struct { - int integer; - synctex_status_t status; -} synctex_is_s; - -static synctex_is_s _synctex_decode_int(synctex_scanner_p scanner); -static synctex_is_s _synctex_decode_int_opt(synctex_scanner_p scanner, int default_value); -static synctex_is_s _synctex_decode_int_v(synctex_scanner_p scanner); - -typedef struct { - char * string; - synctex_status_t status; -} synctex_ss_s; - -static synctex_ss_s _synctex_decode_string(synctex_scanner_p scanner); - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark Data SETGET -# endif - -/** - * The next macros are used to access the node data info - * through the class modelator integer fields. - * - parameter NODE: of type synctex_node_p - */ -# define SYNCTEX_DATA(NODE) ((*((((NODE)->class_))->info))(NODE)) -#if defined SYNCTEX_DEBUG > 1000 -# define DEFINE_SYNCTEX_DATA_HAS(WHAT) \ -SYNCTEX_INLINE static synctex_bool_t __synctex_data_has_##WHAT(synctex_node_p node) {\ - return (node && (node->class_->modelator->WHAT>=0));\ -}\ -SYNCTEX_INLINE static synctex_bool_t _synctex_data_has_##WHAT(synctex_node_p node) {\ - if (node && (node->class_->modelator->WHAT<0)) {\ - printf("WARNING: NO %s for %s\n", #WHAT, synctex_node_isa(node));\ - }\ - return __synctex_data_has_##WHAT(node);\ -} -#else -# define DEFINE_SYNCTEX_DATA_HAS(WHAT) \ -SYNCTEX_INLINE static synctex_bool_t __synctex_data_has_##WHAT(synctex_node_p node) {\ - return (node && (node->class_->modelator->WHAT>=0));\ -}\ -SYNCTEX_INLINE static synctex_bool_t _synctex_data_has_##WHAT(synctex_node_p node) {\ - return __synctex_data_has_##WHAT(node);\ -} -#endif - -SYNCTEX_INLINE static synctex_data_p __synctex_data(synctex_node_p node) { - return node->data+node->class_->navigator->size; -} -# define DEFINE_SYNCTEX_DATA_INT_GETSET(WHAT) \ -DEFINE_SYNCTEX_DATA_HAS(WHAT)\ -static int _synctex_data_##WHAT(synctex_node_p node) {\ - if (_synctex_data_has_##WHAT(node)) {\ - return __synctex_data(node)[node->class_->modelator->WHAT].as_integer;\ - }\ - return 0;\ -}\ -static int _synctex_data_set_##WHAT(synctex_node_p node, int new_value) {\ - int old = 0;\ - if (_synctex_data_has_##WHAT(node)) {\ - old = __synctex_data(node)[node->class_->modelator->WHAT].as_integer;\ - __synctex_data(node)[node->class_->modelator->WHAT].as_integer=new_value;\ - }\ - return old;\ -} -#define DEFINE_SYNCTEX_DATA_INT_DECODE(WHAT) \ -static synctex_status_t _synctex_data_decode_##WHAT(synctex_node_p node) {\ - if (_synctex_data_has_##WHAT(node)) {\ - synctex_is_s is = _synctex_decode_int(node->class_->scanner);\ - if (is.status == SYNCTEX_STATUS_OK) {\ - _synctex_data_set_##WHAT(node,is.integer);\ - } \ - return is.status;\ - }\ - return SYNCTEX_STATUS_BAD_ARGUMENT;\ -} -# define DEFINE_SYNCTEX_DATA_INT_DECODE_v(WHAT) \ -static synctex_status_t _synctex_data_decode_##WHAT##_v(synctex_node_p node) {\ - if (_synctex_data_has_##WHAT(node)) {\ - synctex_is_s is = _synctex_decode_int_v(node->class_->scanner);\ - if (is.status == SYNCTEX_STATUS_OK) {\ - _synctex_data_set_##WHAT(node,is.integer);\ - } \ - return is.status;\ - }\ - return SYNCTEX_STATUS_BAD_ARGUMENT;\ -} -#define DEFINE_SYNCTEX_DATA_STR_GETSET(WHAT) \ -DEFINE_SYNCTEX_DATA_HAS(WHAT)\ -static char * _synctex_data_##WHAT(synctex_node_p node) {\ - if (_synctex_data_has_##WHAT(node)) {\ - return node->data[node->class_->navigator->size+node->class_->modelator->WHAT].as_string;\ - }\ - return NULL;\ -}\ -static char * _synctex_data_set_##WHAT(synctex_node_p node, char * new_value) {\ - char * old = "";\ - if (_synctex_data_has_##WHAT(node)) {\ - old = node->data[node->class_->navigator->size+node->class_->modelator->WHAT].as_string;\ - node->data[node->class_->navigator->size+node->class_->modelator->WHAT].as_string =new_value;\ - }\ - return old;\ -} -#define DEFINE_SYNCTEX_DATA_STR_DECODE(WHAT) \ -static synctex_status_t _synctex_data_decode_##WHAT(synctex_node_p node) {\ - if (_synctex_data_has_##WHAT(node)) {\ - synctex_ss_s ss = _synctex_decode_string(node->class_->scanner);\ - if (ss.status == SYNCTEX_STATUS_OK) {\ - _synctex_data_set_##WHAT(node,ss.string);\ - } \ - return ss.status;\ - }\ - return SYNCTEX_STATUS_BAD_ARGUMENT;\ -} -#define DEFINE_SYNCTEX_DATA_INT_GETSET_DECODE(WHAT) \ -DEFINE_SYNCTEX_DATA_INT_GETSET(WHAT) \ -DEFINE_SYNCTEX_DATA_INT_DECODE(WHAT) -#define DEFINE_SYNCTEX_DATA_INT_GETSET_DECODE_v(WHAT) \ -DEFINE_SYNCTEX_DATA_INT_GETSET(WHAT) \ -DEFINE_SYNCTEX_DATA_INT_DECODE_v(WHAT) -#define DEFINE_SYNCTEX_DATA_STR_GETSET_DECODE(WHAT) \ -DEFINE_SYNCTEX_DATA_STR_GETSET(WHAT) \ -DEFINE_SYNCTEX_DATA_STR_DECODE(WHAT) - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark OBJECTS, their creators and destructors. -# endif - -# ifdef SYNCTEX_NOTHING -# pragma mark input. -# endif - -DEFINE_SYNCTEX_DATA_INT_GETSET_DECODE(tag) -DEFINE_SYNCTEX_DATA_INT_GETSET_DECODE(line) -DEFINE_SYNCTEX_DATA_STR_GETSET_DECODE(name) - -/* Input nodes only know about their sibling, which is another input node. - * The synctex information is the _synctex_data_tag and _synctex_data_name - * note: the input owns its name. */ - -# define SYNCTEX_INPUT_MARK "Input:" - -static const synctex_tree_model_s synctex_tree_model_input = { - synctex_tree_sibling_idx, /* sibling */ - -1, /* parent */ - -1, /* child */ - -1, /* friend */ - -1, /* last */ - -1, /* next_hbox */ - -1, /* arg_sibling */ - -1, /* target */ - synctex_tree_s_input_max -}; -static const synctex_data_model_s synctex_data_model_input = { - synctex_data_input_tag_idx, /* tag */ - synctex_data_input_line_idx,/* line */ - -1, /* column */ - -1, /* h */ - -1, /* v */ - -1, /* width */ - -1, /* height */ - -1, /* depth */ - -1, /* mean_line */ - -1, /* weight */ - -1, /* h_V */ - -1, /* v_V */ - -1, /* width_V */ - -1, /* height_V */ - -1, /* depth_V */ - synctex_data_input_name_idx, /* name */ - -1, /* page */ - synctex_data_input_tln_max -}; - -#define SYNCTEX_INSPECTOR_GETTER_F(WHAT)\ -&_synctex_data_##WHAT, &_synctex_data_set_##WHAT - -static synctex_node_p _synctex_new_input(synctex_scanner_p scanner); -static void _synctex_free_input(synctex_node_p node); -static void _synctex_log_input(synctex_node_p node); -static char * _synctex_abstract_input(synctex_node_p node); -static void _synctex_display_input(synctex_node_p node); - -static const synctex_tlcpector_s synctex_tlcpector_input = { - &_synctex_data_tag, /* tag */ - &_synctex_int_none, /* line */ - &_synctex_int_none, /* column */ -}; - -static synctex_class_s synctex_class_input = { - NULL, /* No scanner yet */ - synctex_node_type_input, /* Node type */ - &_synctex_new_input, /* creator */ - &_synctex_free_input, /* destructor */ - &_synctex_log_input, /* log */ - &_synctex_display_input, /* display */ - &_synctex_abstract_input, /* abstract */ - &synctex_tree_model_input, /* tree model */ - &synctex_data_model_input, /* data model */ - &synctex_tlcpector_input, /* inspector */ - &synctex_inspector_none, /* inspector */ - &synctex_vispector_none, /* vispector */ -}; - -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_s_input_max+synctex_data_input_tln_max]; -} synctex_input_s; - -static synctex_node_p _synctex_new_input(synctex_scanner_p scanner) { - if (scanner) { - synctex_node_p node = _synctex_malloc(sizeof(synctex_input_s)); - if (node) { - node->class_ = scanner->class_+synctex_node_type_input; - SYNCTEX_DID_NEW(node); - SYNCTEX_IMPLEMENT_CHARINDEX(node,0); - SYNCTEX_REGISTER_HANDLE_TO(node); - } - return node; - } - return NULL; -} - -static void _synctex_free_input(synctex_node_p node){ - if (node) { - SYNCTEX_SCANNER_REMOVE_HANDLE_TO(node); - SYNCTEX_WILL_FREE(node); - synctex_node_free(__synctex_tree_sibling(node)); - _synctex_free(_synctex_data_name(node)); - _synctex_free(node); - } -} - -/* The sheet is a first level node. - * It has no parent (the owner is the scanner itself) - * Its sibling points to another sheet. - * Its child points to its first child, in general a box. - * A sheet node contains only one synctex information: the page. - * This is the 1 based page index as given by TeX. - */ - -# ifdef SYNCTEX_NOTHING -# pragma mark sheet. -# endif -/** - * Every node has the same structure, but not the same size. - */ - -DEFINE_SYNCTEX_DATA_INT_GETSET_DECODE(page) - -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_scn_sheet_max+synctex_data_p_sheet_max]; -} synctex_node_sheet_s; - -/* sheet node creator */ - -#define DEFINE_synctex_new_scanned_NODE(NAME)\ -static synctex_node_p _synctex_new_##NAME(synctex_scanner_p scanner) {\ - if (scanner) {\ - ++SYNCTEX_CUR;\ - synctex_node_p node = _synctex_malloc(sizeof(synctex_node_##NAME##_s));\ - if (node) {\ - node->class_ = scanner->class_+synctex_node_type_##NAME;\ - SYNCTEX_DID_NEW(node); \ - SYNCTEX_IMPLEMENT_CHARINDEX(node,-1);\ - SYNCTEX_REGISTER_HANDLE_TO(node); \ - }\ - return node;\ - }\ - return NULL;\ -} -/* NB: -1 in SYNCTEX_IMPLEMENT_CHARINDEX above because - * the first char of the line has been scanned - */ -DEFINE_synctex_new_scanned_NODE(sheet) -static void _synctex_log_sheet(synctex_node_p node); -static char * _synctex_abstract_sheet(synctex_node_p node); -static void _synctex_display_sheet(synctex_node_p node); - -static const synctex_tree_model_s synctex_tree_model_sheet = { - synctex_tree_sibling_idx, /* sibling */ - -1, /* parent */ - synctex_tree_s_child_idx, /* child */ - -1, /* friend */ - -1, /* last */ - synctex_tree_sc_next_hbox_idx, /* next_hbox */ - -1, /* arg_sibling */ - -1, /* target */ - synctex_tree_scn_sheet_max -}; -static const synctex_data_model_s synctex_data_model_sheet = { - -1, /* tag */ - -1, /* line */ - -1, /* column */ - -1, /* h */ - -1, /* v */ - -1, /* width */ - -1, /* height */ - -1, /* depth */ - -1, /* mean_line */ - -1, /* weight */ - -1, /* h_V */ - -1, /* v_V */ - -1, /* width_V */ - -1, /* height_V */ - -1, /* depth_V */ - -1, /* name */ - synctex_data_sheet_page_idx, /* page */ - synctex_data_p_sheet_max -}; -static synctex_class_s synctex_class_sheet = { - NULL, /* No scanner yet */ - synctex_node_type_sheet, /* Node type */ - &_synctex_new_sheet, /* creator */ - &_synctex_free_node, /* destructor */ - &_synctex_log_sheet, /* log */ - &_synctex_display_sheet, /* display */ - &_synctex_abstract_sheet, /* abstract */ - &synctex_tree_model_sheet, /* tree model */ - &synctex_data_model_sheet, /* data model */ - &synctex_tlcpector_none, /* tlcpector */ - &synctex_inspector_none, /* inspector */ - &synctex_vispector_none, /* vispector */ -}; - -# ifdef SYNCTEX_NOTHING -# pragma mark form. -# endif -/** - * Every node has the same structure, but not the same size. - */ -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_sct_form_max+synctex_data_t_form_max]; -} synctex_node_form_s; - -DEFINE_synctex_new_scanned_NODE(form) - -static char * _synctex_abstract_form(synctex_node_p node); -static void _synctex_display_form(synctex_node_p node); -static void _synctex_log_form(synctex_node_p node); - -static const synctex_tree_model_s synctex_tree_model_form = { - synctex_tree_sibling_idx, /* sibling */ - -1, /* parent */ - synctex_tree_s_child_idx, /* child */ - -1, /* friend */ - -1, /* last */ - -1, /* next_hbox */ - -1, /* arg_sibling */ - synctex_tree_sc_target_idx, /* target */ - synctex_tree_sct_form_max -}; -static const synctex_data_model_s synctex_data_model_form = { - synctex_data_form_tag_idx, /* tag */ - -1, /* line */ - -1, /* column */ - -1, /* h */ - -1, /* v */ - -1, /* width */ - -1, /* height */ - -1, /* depth */ - -1, /* mean_line */ - -1, /* weight */ - -1, /* h_V */ - -1, /* v_V */ - -1, /* width_V */ - -1, /* height_V */ - -1, /* depth_V */ - -1, /* name */ - -1, /* page */ - synctex_data_t_form_max -}; -static synctex_class_s synctex_class_form = { - NULL, /* No scanner yet */ - synctex_node_type_form, /* Node type */ - &_synctex_new_form, /* creator */ - &_synctex_free_node, /* destructor */ - &_synctex_log_form, /* log */ - &_synctex_display_form, /* display */ - &_synctex_abstract_form, /* abstract */ - &synctex_tree_model_form, /* tree model */ - &synctex_data_model_form, /* data model */ - &synctex_tlcpector_none, /* tlcpector */ - &synctex_inspector_none, /* inspector */ - &synctex_vispector_none, /* vispector */ -}; - -# ifdef SYNCTEX_NOTHING -# pragma mark vbox. -# endif - -/* A box node contains navigation and synctex information - * There are different kinds of boxes. - * Only horizontal boxes are treated differently because of their visible size. - */ -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_spcfl_vbox_max+synctex_data_box_max]; -} synctex_node_vbox_s; - -/* vertical box node creator */ -DEFINE_synctex_new_scanned_NODE(vbox) - -static char * _synctex_abstract_vbox(synctex_node_p node); -static void _synctex_display_vbox(synctex_node_p node); -static void _synctex_log_vbox(synctex_node_p node); - -static const synctex_tree_model_s synctex_tree_model_vbox = { - synctex_tree_sibling_idx, /* sibling */ - synctex_tree_s_parent_idx, /* parent */ - synctex_tree_sp_child_idx, /* child */ - synctex_tree_spc_friend_idx, /* friend */ - synctex_tree_spcf_last_idx, /* last */ - -1, /* next_hbox */ - -1, /* arg_sibling */ - -1, /* target */ - synctex_tree_spcfl_vbox_max -}; - -#define SYNCTEX_DFLT_COLUMN -1 - -DEFINE_SYNCTEX_DATA_INT_GETSET(column) -static synctex_status_t _synctex_data_decode_column(synctex_node_p node) { - if (_synctex_data_has_column(node)) { - synctex_is_s is = _synctex_decode_int_opt(node->class_->scanner, - SYNCTEX_DFLT_COLUMN); - if (is.status == SYNCTEX_STATUS_OK) { - _synctex_data_set_column(node,is.integer); - } - return is.status; - } - return SYNCTEX_STATUS_BAD_ARGUMENT; -} -DEFINE_SYNCTEX_DATA_INT_GETSET_DECODE(h) -DEFINE_SYNCTEX_DATA_INT_GETSET_DECODE_v(v) -DEFINE_SYNCTEX_DATA_INT_GETSET_DECODE(width) -DEFINE_SYNCTEX_DATA_INT_GETSET_DECODE(height) -DEFINE_SYNCTEX_DATA_INT_GETSET_DECODE(depth) - -SYNCTEX_INLINE static void _synctex_data_set_tlc(synctex_node_p node, synctex_node_p model) { - _synctex_data_set_tag(node, _synctex_data_tag(model)); - _synctex_data_set_line(node, _synctex_data_line(model)); - _synctex_data_set_column(node, _synctex_data_column(model)); -} -SYNCTEX_INLINE static void _synctex_data_set_tlchv(synctex_node_p node, synctex_node_p model) { - _synctex_data_set_tlc(node,model); - _synctex_data_set_h(node, _synctex_data_h(model)); - _synctex_data_set_v(node, _synctex_data_v(model)); -} - -static const synctex_data_model_s synctex_data_model_box = { - synctex_data_tag_idx, /* tag */ - synctex_data_line_idx, /* line */ - synctex_data_column_idx,/* column */ - synctex_data_h_idx, /* h */ - synctex_data_v_idx, /* v */ - synctex_data_width_idx, /* width */ - synctex_data_height_idx,/* height */ - synctex_data_depth_idx, /* depth */ - -1, /* mean_line */ - -1, /* weight */ - -1, /* h_V */ - -1, /* v_V */ - -1, /* width_V */ - -1, /* height_V */ - -1, /* depth_V */ - -1, /* name */ - -1, /* page */ - synctex_data_box_max -}; -static const synctex_tlcpector_s synctex_tlcpector_default = { - &_synctex_data_tag, /* tag */ - &_synctex_data_line, /* line */ - &_synctex_data_column, /* column */ -}; -static const synctex_inspector_s synctex_inspector_box = { - &_synctex_data_h, - &_synctex_data_v, - &_synctex_data_width, - &_synctex_data_height, - &_synctex_data_depth, -}; -static float __synctex_node_visible_h(synctex_node_p node); -static float __synctex_node_visible_v(synctex_node_p node); -static float __synctex_node_visible_width(synctex_node_p node); -static float __synctex_node_visible_height(synctex_node_p node); -static float __synctex_node_visible_depth(synctex_node_p node); -static synctex_vispector_s synctex_vispector_box = { - &__synctex_node_visible_h, - &__synctex_node_visible_v, - &__synctex_node_visible_width, - &__synctex_node_visible_height, - &__synctex_node_visible_depth, -}; -/* These are static class objects, each scanner will make a copy of them and setup the scanner field. - */ -static synctex_class_s synctex_class_vbox = { - NULL, /* No scanner yet */ - synctex_node_type_vbox, /* Node type */ - &_synctex_new_vbox, /* creator */ - &_synctex_free_node, /* destructor */ - &_synctex_log_vbox, /* log */ - &_synctex_display_vbox, /* display */ - &_synctex_abstract_vbox, /* abstract */ - &synctex_tree_model_vbox, /* tree model */ - &synctex_data_model_box, /* data model */ - &synctex_tlcpector_default, /* tlcpector */ - &synctex_inspector_box, /* inspector */ - &synctex_vispector_box, /* vispector */ -}; - -# ifdef SYNCTEX_NOTHING -# pragma mark hbox. -# endif - -/* Horizontal boxes must contain visible size, because 0 width does not mean emptiness. - * They also contain an average of the line numbers of the containing nodes. */ - -static const synctex_tree_model_s synctex_tree_model_hbox = { - synctex_tree_sibling_idx, /* sibling */ - synctex_tree_s_parent_idx, /* parent */ - synctex_tree_sp_child_idx, /* child */ - synctex_tree_spc_friend_idx, /* friend */ - synctex_tree_spcf_last_idx, /* last */ - synctex_tree_spcfl_next_hbox_idx, /* next_hbox */ - -1, /* arg_sibling */ - -1, /* target */ - synctex_tree_spcfln_hbox_max -}; - -DEFINE_SYNCTEX_DATA_INT_GETSET(mean_line) -DEFINE_SYNCTEX_DATA_INT_GETSET(weight) -DEFINE_SYNCTEX_DATA_INT_GETSET(h_V) -DEFINE_SYNCTEX_DATA_INT_GETSET(v_V) -DEFINE_SYNCTEX_DATA_INT_GETSET(width_V) -DEFINE_SYNCTEX_DATA_INT_GETSET(height_V) -DEFINE_SYNCTEX_DATA_INT_GETSET(depth_V) - -/** - * The hbox model. - * It contains V variants of geometrical information. - * It happens that hboxes contain material that is not used to compute - * the bounding box. Some letters may appear out of the box given by TeX. - * In such a situation, the visible bouding box is bigger ence the V variant. - * Only hboxes have such variant. It does not make sense for void boxes - * and it is not used here for vboxes. - * - author: JL - */ - -static const synctex_data_model_s synctex_data_model_hbox = { - synctex_data_tag_idx, /* tag */ - synctex_data_line_idx, /* line */ - synctex_data_column_idx,/* column */ - synctex_data_h_idx, /* h */ - synctex_data_v_idx, /* v */ - synctex_data_width_idx, /* width */ - synctex_data_height_idx,/* height */ - synctex_data_depth_idx, /* depth */ - synctex_data_mean_line_idx, /* mean_line */ - synctex_data_weight_idx, /* weight */ - synctex_data_h_V_idx, /* h_V */ - synctex_data_v_V_idx, /* v_V */ - synctex_data_width_V_idx, /* width_V */ - synctex_data_height_V_idx, /* height_V */ - synctex_data_depth_V_idx, /* depth_V */ - -1, /* name */ - -1, /* page */ - synctex_data_hbox_max -}; - -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_spcfln_hbox_max+synctex_data_hbox_max]; -} synctex_node_hbox_s; - -/* horizontal box node creator */ -DEFINE_synctex_new_scanned_NODE(hbox) - -static void _synctex_log_hbox(synctex_node_p node); -static char * _synctex_abstract_hbox(synctex_node_p node); -static void _synctex_display_hbox(synctex_node_p node); - -static synctex_class_s synctex_class_hbox = { - NULL, /* No scanner yet */ - synctex_node_type_hbox, /* Node type */ - &_synctex_new_hbox, /* creator */ - &_synctex_free_node, /* destructor */ - &_synctex_log_hbox, /* log */ - &_synctex_display_hbox, /* display */ - &_synctex_abstract_hbox, /* abstract */ - &synctex_tree_model_hbox, /* tree model */ - &synctex_data_model_hbox, /* data model */ - &synctex_tlcpector_default, /* tlcpector */ - &synctex_inspector_box, /* inspector */ - &synctex_vispector_box, /* vispector */ -}; - -# ifdef SYNCTEX_NOTHING -# pragma mark void vbox. -# endif - -/* This void box node implementation is either horizontal or vertical - * It does not contain a child field. - */ -static const synctex_tree_model_s synctex_tree_model_spf = { - synctex_tree_sibling_idx, /* sibling */ - synctex_tree_s_parent_idx, /* parent */ - -1, /* child */ - synctex_tree_sp_friend_idx, /* friend */ - -1, /* last */ - -1, /* next_hbox */ - -1, /* arg_sibling */ - -1, /* target */ - synctex_tree_spf_max -}; -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_spf_max+synctex_data_box_max]; -} synctex_node_void_vbox_s; - -/* vertical void box node creator */ -DEFINE_synctex_new_scanned_NODE(void_vbox) - -static void _synctex_log_void_box(synctex_node_p node); -static char * _synctex_abstract_void_vbox(synctex_node_p node); -static void _synctex_display_void_vbox(synctex_node_p node); - -static synctex_class_s synctex_class_void_vbox = { - NULL, /* No scanner yet */ - synctex_node_type_void_vbox,/* Node type */ - &_synctex_new_void_vbox, /* creator */ - &_synctex_free_leaf, /* destructor */ - &_synctex_log_void_box, /* log */ - &_synctex_display_void_vbox,/* display */ - &_synctex_abstract_void_vbox,/* abstract */ - &synctex_tree_model_spf, /* tree model */ - &synctex_data_model_box, /* data model */ - &synctex_tlcpector_default, /* tlcpector */ - &synctex_inspector_box, /* inspector */ - &synctex_vispector_box, /* vispector */ -}; - -# ifdef SYNCTEX_NOTHING -# pragma mark void hbox. -# endif - -typedef synctex_node_void_vbox_s synctex_node_void_hbox_s; - -/* horizontal void box node creator */ -DEFINE_synctex_new_scanned_NODE(void_hbox) - -static char * _synctex_abstract_void_hbox(synctex_node_p node); -static void _synctex_display_void_hbox(synctex_node_p node); - -static synctex_class_s synctex_class_void_hbox = { - NULL, /* No scanner yet */ - synctex_node_type_void_hbox,/* Node type */ - &_synctex_new_void_hbox, /* creator */ - &_synctex_free_leaf, /* destructor */ - &_synctex_log_void_box, /* log */ - &_synctex_display_void_hbox,/* display */ - &_synctex_abstract_void_hbox,/* abstract */ - &synctex_tree_model_spf, /* tree model */ - &synctex_data_model_box, /* data model */ - &synctex_tlcpector_default, /* tlcpector */ - &synctex_inspector_box, /* inspector */ - &synctex_vispector_box, /* vispector */ -}; - -# ifdef SYNCTEX_NOTHING -# pragma mark form ref. -# endif - -/* The form ref node. */ -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_spfa_max+synctex_data_ref_thv_max]; -} synctex_node_ref_s; - -/* form ref node creator */ -DEFINE_synctex_new_scanned_NODE(ref) - -static void _synctex_log_ref(synctex_node_p node); -static char * _synctex_abstract_ref(synctex_node_p node); -static void _synctex_display_ref(synctex_node_p node); - -static const synctex_tree_model_s synctex_tree_model_spfa = { - synctex_tree_sibling_idx, /* sibling */ - synctex_tree_s_parent_idx, /* parent */ - -1, /* child */ - synctex_tree_sp_friend_idx, /* friend */ - -1, /* last */ - -1, /* next_hbox */ - synctex_tree_spf_arg_sibling_idx, /* arg_sibling */ - -1, /* target */ - synctex_tree_spfa_max -}; -static const synctex_data_model_s synctex_data_model_ref = { - synctex_data_tag_idx, /* tag */ - -1, /* line */ - -1, /* column */ - synctex_data_ref_h_idx, /* h */ - synctex_data_ref_v_idx, /* v */ - -1, /* width */ - -1, /* height */ - -1, /* depth */ - -1, /* mean_line */ - -1, /* weight */ - -1, /* h_V */ - -1, /* v_V */ - -1, /* width_V */ - -1, /* height_V */ - -1, /* depth_V */ - -1, /* name */ - -1, /* page */ - synctex_data_ref_thv_max /* size */ -}; -static synctex_class_s synctex_class_ref = { - NULL, /* No scanner yet */ - synctex_node_type_ref, /* Node type */ - &_synctex_new_ref, /* creator */ - &_synctex_free_leaf, /* destructor */ - &_synctex_log_ref, /* log */ - &_synctex_display_ref, /* display */ - &_synctex_abstract_ref, /* abstract */ - &synctex_tree_model_spfa, /* navigator */ - &synctex_data_model_ref, /* data model */ - &synctex_tlcpector_none, /* tlcpector */ - &synctex_inspector_none, /* inspector */ - &synctex_vispector_none, /* vispector */ -}; -# ifdef SYNCTEX_NOTHING -# pragma mark small node. -# endif - -/* The small nodes correspond to glue, penalty, math and boundary nodes. */ -static const synctex_data_model_s synctex_data_model_tlchv = { - synctex_data_tag_idx, /* tag */ - synctex_data_line_idx, /* line */ - synctex_data_column_idx, /* column */ - synctex_data_h_idx, /* h */ - synctex_data_v_idx, /* v */ - -1, /* width */ - -1, /* height */ - -1, /* depth */ - -1, /* mean_line */ - -1, /* weight */ - -1, /* h_V */ - -1, /* v_V */ - -1, /* width_V */ - -1, /* height_V */ - -1, /* depth_V */ - -1, /* name */ - -1, /* page */ - synctex_data_tlchv_max -}; - -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_spf_max+synctex_data_tlchv_max]; -} synctex_node_tlchv_s; - -static void _synctex_log_tlchv_node(synctex_node_p node); - -# ifdef SYNCTEX_NOTHING -# pragma mark math. -# endif - -typedef synctex_node_tlchv_s synctex_node_math_s; - -/* math node creator */ -DEFINE_synctex_new_scanned_NODE(math) - -static char * _synctex_abstract_math(synctex_node_p node); -static void _synctex_display_math(synctex_node_p node); -static synctex_inspector_s synctex_inspector_hv = { - &_synctex_data_h, - &_synctex_data_v, - &_synctex_int_none, - &_synctex_int_none, - &_synctex_int_none, -}; -static synctex_vispector_s synctex_vispector_hv = { - &__synctex_node_visible_h, - &__synctex_node_visible_v, - &_synctex_float_none, - &_synctex_float_none, - &_synctex_float_none, -}; - -static synctex_class_s synctex_class_math = { - NULL, /* No scanner yet */ - synctex_node_type_math, /* Node type */ - &_synctex_new_math, /* creator */ - &_synctex_free_leaf, /* destructor */ - &_synctex_log_tlchv_node, /* log */ - &_synctex_display_math, /* display */ - &_synctex_abstract_math, /* abstract */ - &synctex_tree_model_spf, /* tree model */ - &synctex_data_model_tlchv, /* data model */ - &synctex_tlcpector_default, /* tlcpector */ - &synctex_inspector_hv, /* inspector */ - &synctex_vispector_hv, /* vispector */ -}; - -# ifdef SYNCTEX_NOTHING -# pragma mark kern node. -# endif - -static const synctex_data_model_s synctex_data_model_tlchvw = { - synctex_data_tag_idx, /* tag */ - synctex_data_line_idx, /* line */ - synctex_data_column_idx,/* column */ - synctex_data_h_idx, /* h */ - synctex_data_v_idx, /* v */ - synctex_data_width_idx, /* width */ - -1, /* height */ - -1, /* depth */ - -1, /* mean_line */ - -1, /* weight */ - -1, /* h_V */ - -1, /* v_V */ - -1, /* width_V */ - -1, /* height_V */ - -1, /* depth_V */ - -1, /* name */ - -1, /* page */ - synctex_data_tlchvw_max -}; -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_spf_max+synctex_data_tlchvw_max]; -} synctex_node_kern_s; - -/* kern node creator */ -DEFINE_synctex_new_scanned_NODE(kern) - -static void _synctex_log_kern_node(synctex_node_p node); -static char * _synctex_abstract_kern(synctex_node_p node); -static void _synctex_display_kern(synctex_node_p node); - -static synctex_inspector_s synctex_inspector_kern = { - &_synctex_data_h, - &_synctex_data_v, - &_synctex_data_width, - &_synctex_int_none, - &_synctex_int_none, -}; -static float __synctex_kern_visible_h(synctex_node_p node); -static float __synctex_kern_visible_width(synctex_node_p node); -static synctex_vispector_s synctex_vispector_kern = { - &__synctex_kern_visible_h, - &__synctex_node_visible_v, - &__synctex_kern_visible_width, - &_synctex_float_none, - &_synctex_float_none, -}; - -static synctex_class_s synctex_class_kern = { - NULL, /* No scanner yet */ - synctex_node_type_kern, /* Node type */ - &_synctex_new_kern, /* creator */ - &_synctex_free_leaf, /* destructor */ - &_synctex_log_kern_node, /* log */ - &_synctex_display_kern, /* display */ - &_synctex_abstract_kern, /* abstract */ - &synctex_tree_model_spf, /* tree model */ - &synctex_data_model_tlchvw, /* data model */ - &synctex_tlcpector_default, /* tlcpector */ - &synctex_inspector_kern, /* inspector */ - &synctex_vispector_kern, /* vispector */ -}; - -# ifdef SYNCTEX_NOTHING -# pragma mark glue. -# endif - -/* glue node creator */ -typedef synctex_node_tlchv_s synctex_node_glue_s; -DEFINE_synctex_new_scanned_NODE(glue) - -static char * _synctex_abstract_glue(synctex_node_p node); -static void _synctex_display_glue(synctex_node_p node); - -static synctex_class_s synctex_class_glue = { - NULL, /* No scanner yet */ - synctex_node_type_glue, /* Node type */ - &_synctex_new_glue, /* creator */ - &_synctex_free_leaf, /* destructor */ - &_synctex_log_tlchv_node, /* log */ - &_synctex_display_glue, /* display */ - &_synctex_abstract_glue, /* abstract */ - &synctex_tree_model_spf, /* tree model */ - &synctex_data_model_tlchv, /* data model */ - &synctex_tlcpector_default, /* tlcpector */ - &synctex_inspector_hv, /* inspector */ - &synctex_vispector_hv, /* vispector */ -}; - -/* The small nodes correspond to glue and boundary nodes. */ - -# ifdef SYNCTEX_NOTHING -# pragma mark rule. -# endif - -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_spf_max+synctex_data_box_max]; -} synctex_node_rule_s; - -DEFINE_synctex_new_scanned_NODE(rule) - -static void _synctex_log_rule(synctex_node_p node); -static char * _synctex_abstract_rule(synctex_node_p node); -static void _synctex_display_rule(synctex_node_p node); - -static float __synctex_rule_visible_h(synctex_node_p node); -static float __synctex_rule_visible_v(synctex_node_p node); -static float __synctex_rule_visible_width(synctex_node_p node); -static float __synctex_rule_visible_height(synctex_node_p node); -static float __synctex_rule_visible_depth(synctex_node_p node); -static synctex_vispector_s synctex_vispector_rule = { - &__synctex_rule_visible_h, - &__synctex_rule_visible_v, - &__synctex_rule_visible_width, - &__synctex_rule_visible_height, - &__synctex_rule_visible_depth, -}; - -static synctex_class_s synctex_class_rule = { - NULL, /* No scanner yet */ - synctex_node_type_rule, /* Node type */ - &_synctex_new_rule, /* creator */ - &_synctex_free_leaf, /* destructor */ - &_synctex_log_rule, /* log */ - &_synctex_display_rule, /* display */ - &_synctex_abstract_rule, /* abstract */ - &synctex_tree_model_spf, /* tree model */ - &synctex_data_model_box, /* data model */ - &synctex_tlcpector_default, /* tlcpector */ - &synctex_inspector_box, /* inspector */ - &synctex_vispector_rule, /* vispector */ -}; - -# ifdef SYNCTEX_NOTHING -# pragma mark boundary. -# endif - -/* boundary node creator */ -typedef synctex_node_tlchv_s synctex_node_boundary_s; -DEFINE_synctex_new_scanned_NODE(boundary) - -static char * _synctex_abstract_boundary(synctex_node_p node); -static void _synctex_display_boundary(synctex_node_p node); - -static synctex_class_s synctex_class_boundary = { - NULL, /* No scanner yet */ - synctex_node_type_boundary, /* Node type */ - &_synctex_new_boundary, /* creator */ - &_synctex_free_leaf, /* destructor */ - &_synctex_log_tlchv_node, /* log */ - &_synctex_display_boundary, /* display */ - &_synctex_abstract_boundary,/* abstract */ - &synctex_tree_model_spf, /* tree model */ - &synctex_data_model_tlchv, /* data model */ - &synctex_tlcpector_default, /* tlcpector */ - &synctex_inspector_hv, /* inspector */ - &synctex_vispector_hv, /* vispector */ -}; - -# ifdef SYNCTEX_NOTHING -# pragma mark box boundary. -# endif - -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_spfa_max+synctex_data_tlchv_max]; -} synctex_node_box_bdry_s; - -#define DEFINE_synctex_new_unscanned_NODE(NAME)\ -SYNCTEX_INLINE static synctex_node_p _synctex_new_##NAME(synctex_scanner_p scanner) {\ - if (scanner) {\ - synctex_node_p node = _synctex_malloc(sizeof(synctex_node_##NAME##_s));\ - if (node) {\ - node->class_ = scanner->class_+synctex_node_type_##NAME;\ - SYNCTEX_DID_NEW(node); \ - }\ - return node;\ - }\ - return NULL;\ -} -DEFINE_synctex_new_unscanned_NODE(box_bdry) - -static char * _synctex_abstract_box_bdry(synctex_node_p node); -static void _synctex_display_box_bdry(synctex_node_p node); - -static synctex_class_s synctex_class_box_bdry = { - NULL, /* No scanner yet */ - synctex_node_type_box_bdry, /* Node type */ - &_synctex_new_box_bdry, /* creator */ - &_synctex_free_leaf, /* destructor */ - &_synctex_log_tlchv_node, /* log */ - &_synctex_display_box_bdry, /* display */ - &_synctex_abstract_box_bdry,/* display */ - &synctex_tree_model_spfa, /* tree model */ - &synctex_data_model_tlchv, /* data model */ - &synctex_tlcpector_default, /* tlcpector */ - &synctex_inspector_hv, /* inspector */ - &synctex_vispector_hv, /* vispector */ -}; - -# ifdef SYNCTEX_NOTHING -# pragma mark hbox proxy. -# endif - -/** - * Standard nodes refer to TeX nodes: math, kern, boxes... - * Proxy nodes are used to support forms. - * A form is parsed as a tree of standard nodes starting - * at the top left position. - * When a reference is used, the form is duplicated - * to the location specified by the reference. - * As the same form can be duplicated at different locations, - * the geometrical information is relative to its own top left point. - * As we need absolute locations, we use proxy nodes. - * A proxy node records an offset and the target node. - * The target partly acts as a delegate. - * The h and v position of the proxy node is the h and v - * position of the target shifted by the proxy's offset. - * The width, height and depth are not sensitive to offsets. - * When are proxies created ? - * 1) when the synctex file has been parsed, all the form refs - * are replaced by proxies to the content of a form. - * This content is a node with siblings (actually none). - * Those root proxies have the parent of the ref they replace, - * so their parents exist and are no proxy. - * Moreover, if they have no sibling, it means that their target have no - * sibling as well. - * Such nodes are called root proxies. - * 2) On the fly, when a proxy is asked for its child - * (or sibling) and has none, a proxy to its target's child - * (or sibling) is created if any. There are only 2 possible situations: - * either the newly created proxy is the child of a proxy, - * or it is the sibling of a proxy created on the fly. - * In both cases, the parent is a proxy with children. - * Such nodes are called child proxies. - * How to compute the offset of a proxy ? - * The offset of root proxy objects is exactly - * the offset of the ref they replace. - * The offset of other proxies is their owner's, - * except when pointing to a root proxy. - * What happens for cascading forms ? - * Here is an example diagram - * - * At parse time, the arrow means "owns": - * sheet0 -> ref_to1 - * - * target1 -> ref_to2 - * - * target2 -> child22 - * - * After replacing the refs: - * sheet0 -> proxy00 -> proxy01 -> proxy02 - * | | | - * target1 -> proxy11 -> proxy12 - * | | - * target2 -> proxy22 - * - * proxy00, proxy11 and proxy22 are root proxies. - * Their offset is the one of the ref they replace - * proxy01, proxy02 and proxy12 are child proxies. - * Their proxy is the one of their parent. - * Optimization. - * After all the refs are replaced, there are only root nodes - * targeting standard node. We make sure that each child proxy - * also targets a standard node. - * It is possible for a proxy to have a standard sibling - * whereas its target has no sibling at all. Root proxies - * are such nodes, and are the only ones. - * The consequence is that proxies created on the fly - * must take into account this situation. - */ - -/* A proxy to a hbox. - * A proxy do have a target, which can be a proxy - */ - -static const synctex_tree_model_s synctex_tree_model_proxy_hbox = { - synctex_tree_sibling_idx, /* sibling */ - synctex_tree_s_parent_idx, /* parent */ - synctex_tree_sp_child_idx, /* child */ - synctex_tree_spc_friend_idx, /* friend */ - synctex_tree_spcf_last_idx, /* last */ - synctex_tree_spcfl_next_hbox_idx, /* next_hbox */ - -1, /* arg_sibling */ - synctex_tree_spcfln_target_idx, /* target */ - synctex_tree_spcflnt_proxy_hbox_max -}; -static const synctex_data_model_s synctex_data_model_proxy = { - -1, /* tag */ - -1, /* line */ - -1, /* column */ - synctex_data_proxy_h_idx, /* h */ - synctex_data_proxy_v_idx, /* v */ - -1, /* width */ - -1, /* height */ - -1, /* depth */ - -1, /* mean_line */ - -1, /* weight */ - -1, /* h_V */ - -1, /* v_V */ - -1, /* width_V */ - -1, /* height_V */ - -1, /* depth_V */ - -1, /* name */ - -1, /* page */ - synctex_data_proxy_hv_max -}; -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_spcflnt_proxy_hbox_max+synctex_data_proxy_hv_max]; -} synctex_node_proxy_hbox_s; - -/* box proxy node creator */ -DEFINE_synctex_new_unscanned_NODE(proxy_hbox) - -static void _synctex_log_proxy(synctex_node_p node); -static char * _synctex_abstract_proxy_hbox(synctex_node_p node); -static void _synctex_display_proxy_hbox(synctex_node_p node); - -static int _synctex_proxy_tag(synctex_node_p); -static int _synctex_proxy_line(synctex_node_p); -static int _synctex_proxy_column(synctex_node_p); - -static synctex_tlcpector_s synctex_tlcpector_proxy = { - &_synctex_proxy_tag, - &_synctex_proxy_line, - &_synctex_proxy_column, -}; -static int _synctex_proxy_h(synctex_node_p); -static int _synctex_proxy_v(synctex_node_p); -static int _synctex_proxy_width(synctex_node_p); -static int _synctex_proxy_height(synctex_node_p); -static int _synctex_proxy_depth(synctex_node_p); -static synctex_inspector_s synctex_inspector_proxy_box = { - &_synctex_proxy_h, - &_synctex_proxy_v, - &_synctex_proxy_width, - &_synctex_proxy_height, - &_synctex_proxy_depth, -}; - -static float __synctex_proxy_visible_h(synctex_node_p); -static float __synctex_proxy_visible_v(synctex_node_p); -static float __synctex_proxy_visible_width(synctex_node_p); -static float __synctex_proxy_visible_height(synctex_node_p); -static float __synctex_proxy_visible_depth(synctex_node_p); - -static synctex_vispector_s synctex_vispector_proxy_box = { - &__synctex_proxy_visible_h, - &__synctex_proxy_visible_v, - &__synctex_proxy_visible_width, - &__synctex_proxy_visible_height, - &__synctex_proxy_visible_depth, -}; - -static synctex_class_s synctex_class_proxy_hbox = { - NULL, /* No scanner yet */ - synctex_node_type_proxy_hbox, /* Node type */ - &_synctex_new_proxy_hbox, /* creator */ - &_synctex_free_node, /* destructor */ - &_synctex_log_proxy, /* log */ - &_synctex_display_proxy_hbox, /* display */ - &_synctex_abstract_proxy_hbox, /* abstract */ - &synctex_tree_model_proxy_hbox, /* tree model */ - &synctex_data_model_proxy, /* data model */ - &synctex_tlcpector_proxy, /* tlcpector */ - &synctex_inspector_proxy_box, /* inspector */ - &synctex_vispector_proxy_box, /* vispector */ -}; - -# ifdef SYNCTEX_NOTHING -# pragma mark vbox proxy. -# endif - -/* A proxy to a vbox. */ - -static const synctex_tree_model_s synctex_tree_model_proxy_vbox = { - synctex_tree_sibling_idx, /* sibling */ - synctex_tree_s_parent_idx, /* parent */ - synctex_tree_sp_child_idx, /* child */ - synctex_tree_spc_friend_idx, /* friend */ - synctex_tree_spcf_last_idx, /* last */ - -1, /* next_hbox */ - -1, /* arg_sibling */ - synctex_tree_spcfl_target_idx, /* target */ - synctex_tree_spcflt_proxy_vbox_max -}; - -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_spcflt_proxy_vbox_max+synctex_data_proxy_hv_max]; -} synctex_node_proxy_vbox_s; - -/* box proxy node creator */ -DEFINE_synctex_new_unscanned_NODE(proxy_vbox) - -static void _synctex_log_proxy(synctex_node_p node); -static char * _synctex_abstract_proxy_vbox(synctex_node_p node); -static void _synctex_display_proxy_vbox(synctex_node_p node); - -static synctex_class_s synctex_class_proxy_vbox = { - NULL, /* No scanner yet */ - synctex_node_type_proxy_vbox, /* Node type */ - &_synctex_new_proxy_vbox, /* creator */ - &_synctex_free_node, /* destructor */ - &_synctex_log_proxy, /* log */ - &_synctex_display_proxy_vbox, /* display */ - &_synctex_abstract_proxy_vbox, /* abstract */ - &synctex_tree_model_proxy_vbox, /* tree model */ - &synctex_data_model_proxy, /* data model */ - &synctex_tlcpector_proxy, /* tlcpector */ - &synctex_inspector_proxy_box, /* inspector */ - &synctex_vispector_proxy_box, /* vispector */ -}; - -# ifdef SYNCTEX_NOTHING -# pragma mark proxy. -# endif - -/** - * A proxy to a node but a box. - */ - -static const synctex_tree_model_s synctex_tree_model_proxy = { - synctex_tree_sibling_idx, /* sibling */ - synctex_tree_s_parent_idx, /* parent */ - -1, /* child */ - synctex_tree_sp_friend_idx, /* friend */ - -1, /* last */ - -1, /* next_hbox */ - -1, /* arg_sibling */ - synctex_tree_spf_target_idx,/* target */ - synctex_tree_spft_proxy_max -}; - -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_spft_proxy_max+synctex_data_proxy_hv_max]; -} synctex_node_proxy_s; - -/* proxy node creator */ -DEFINE_synctex_new_unscanned_NODE(proxy) - -static void _synctex_log_proxy(synctex_node_p node); -static char * _synctex_abstract_proxy(synctex_node_p node); -static void _synctex_display_proxy(synctex_node_p node); - -static synctex_vispector_s synctex_vispector_proxy = { - &__synctex_proxy_visible_h, - &__synctex_proxy_visible_v, - &__synctex_proxy_visible_width, - &_synctex_float_none, - &_synctex_float_none, -}; - -static synctex_class_s synctex_class_proxy = { - NULL, /* No scanner yet */ - synctex_node_type_proxy, /* Node type */ - &_synctex_new_proxy, /* creator */ - &_synctex_free_leaf, /* destructor */ - &_synctex_log_proxy, /* log */ - &_synctex_display_proxy, /* display */ - &_synctex_abstract_proxy, /* abstract */ - &synctex_tree_model_proxy, /* tree model */ - &synctex_data_model_proxy, /* data model */ - &synctex_tlcpector_proxy, /* tlcpector */ - &synctex_inspector_proxy_box, /* inspector */ - &synctex_vispector_proxy, /* vispector */ -}; - -# ifdef SYNCTEX_NOTHING -# pragma mark last proxy. -# endif - -/** - * A proxy to the last proxy/box boundary. - */ - -static const synctex_tree_model_s synctex_tree_model_proxy_last = { - synctex_tree_sibling_idx, /* sibling */ - synctex_tree_s_parent_idx, /* parent */ - -1, /* child */ - synctex_tree_sp_friend_idx, /* friend */ - -1, /* last */ - -1, /* next_hbox */ - synctex_tree_spf_arg_sibling_idx, /* arg_sibling */ - synctex_tree_spfa_target_idx, /* target */ - synctex_tree_spfat_proxy_last_max -}; - -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_spfat_proxy_last_max+synctex_data_proxy_hv_max]; -} synctex_node_proxy_last_s; - -/* proxy node creator */ -DEFINE_synctex_new_unscanned_NODE(proxy_last) - -static void _synctex_log_proxy(synctex_node_p node); -static char * _synctex_abstract_proxy(synctex_node_p node); -static void _synctex_display_proxy(synctex_node_p node); - -static synctex_class_s synctex_class_proxy_last = { - NULL, /* No scanner yet */ - synctex_node_type_proxy_last, /* Node type */ - &_synctex_new_proxy, /* creator */ - &_synctex_free_leaf, /* destructor */ - &_synctex_log_proxy, /* log */ - &_synctex_display_proxy, /* display */ - &_synctex_abstract_proxy, /* abstract */ - &synctex_tree_model_proxy_last, /* tree model */ - &synctex_data_model_proxy, /* data model */ - &synctex_tlcpector_proxy, /* tlcpector */ - &synctex_inspector_proxy_box, /* inspector */ - &synctex_vispector_proxy, /* vispector */ -}; - -# ifdef SYNCTEX_NOTHING -# pragma mark handle. -# endif - -/** - * A handle node. - * A handle is never the target of a proxy - * or another handle. - * The child of a handle is always a handle if any. - * The sibling of a handle is always a handle if any. - * The parent of a handle is always a handle if any. - */ - -static const synctex_tree_model_s synctex_tree_model_handle = { - synctex_tree_sibling_idx, /* sibling */ - synctex_tree_s_parent_idx, /* parent */ - synctex_tree_sp_child_idx, /* child */ - -1, /* friend */ - -1, /* last */ - -1, /* next_hbox */ - -1, /* arg_sibling */ - synctex_tree_spc_target_idx,/* target */ - synctex_tree_spct_handle_max -}; - -static const synctex_data_model_s synctex_data_model_handle = { - -1, /* tag */ - -1, /* line */ - -1, /* column */ - -1, /* h */ - -1, /* v */ - -1, /* width */ - -1, /* height */ - -1, /* depth */ - -1, /* mean_line */ - synctex_data_handle_w_idx, /* weight */ - -1, /* h_V */ - -1, /* v_V */ - -1, /* width_V */ - -1, /* height_V */ - -1, /* depth_V */ - -1, /* name */ - -1, /* page */ - synctex_data_handle_w_max -}; - -typedef struct { - SYNCTEX_DECLARE_CHARINDEX - synctex_class_p class_; - synctex_data_u data[synctex_tree_spct_handle_max+synctex_data_handle_w_max]; -} synctex_node_handle_s; - -/* handle node creator */ -DEFINE_synctex_new_unscanned_NODE(handle) - -static void _synctex_log_handle(synctex_node_p node); -static char * _synctex_abstract_handle(synctex_node_p node); -static void _synctex_display_handle(synctex_node_p node); - -static synctex_class_s synctex_class_handle = { - NULL, /* No scanner yet */ - synctex_node_type_handle, /* Node type */ - &_synctex_new_handle, /* creator */ - &_synctex_free_handle, /* destructor */ - &_synctex_log_handle, /* log */ - &_synctex_display_handle, /* display */ - &_synctex_abstract_handle, /* abstract */ - &synctex_tree_model_handle, /* tree model */ - &synctex_data_model_handle, /* data model */ - &synctex_tlcpector_proxy, /* tlcpector */ - &synctex_inspector_proxy_box, /* inspector */ - &synctex_vispector_proxy_box, /* vispector */ -}; - -SYNCTEX_INLINE static synctex_node_p _synctex_new_handle_with_target(synctex_node_p target) { - if (target) { - synctex_node_p result = _synctex_new_handle(target->class_->scanner); - if (result) { - _synctex_tree_set_target(result,target); - return result; - } - } - return NULL; -} -SYNCTEX_INLINE static synctex_node_p _synctex_new_handle_with_child(synctex_node_p child) { - if (child) { - synctex_node_p result = _synctex_new_handle(child->class_->scanner); - if (result) { - _synctex_tree_set_child(result,child); - return result; - } - } - return NULL; -} - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark Navigation -# endif -synctex_node_p synctex_node_parent(synctex_node_p node) -{ - return _synctex_tree_parent(node); -} -synctex_node_p synctex_node_parent_sheet(synctex_node_p node) -{ - while(node && synctex_node_type(node) != synctex_node_type_sheet) { - node = _synctex_tree_parent(node); - } - /* exit the while loop either when node is NULL or node is a sheet */ - return node; -} -synctex_node_p synctex_node_parent_form(synctex_node_p node) -{ - while(node && synctex_node_type(node) != synctex_node_type_form) { - node = _synctex_tree_parent(node); - } - /* exit the while loop either when node is NULL or node is a form */ - return node; -} - -/** - * The returned proxy will be the child or a sibling of source. - * The returned proxy has no parent, child nor sibling. - * Used only by __synctex_replace_ref. - * argument to_node: a box, not a proxy nor anything else. - */ -SYNCTEX_INLINE static synctex_node_p __synctex_new_proxy_from_ref_to(synctex_node_p ref, synctex_node_p to_node) { - synctex_node_p proxy = NULL; - if (!ref || !to_node) { - return NULL; - } - switch(synctex_node_type(to_node)) { - case synctex_node_type_vbox: - proxy = _synctex_new_proxy_vbox(ref->class_->scanner); - break; - case synctex_node_type_hbox: - proxy = _synctex_new_proxy_hbox(ref->class_->scanner); - break; - default: - _synctex_error("! __synctex_new_proxy_from_ref_to. Unexpected form child (%s). Please report.", synctex_node_isa(to_node)); - return NULL; - } - if (!proxy) { - _synctex_error("! __synctex_new_proxy_from_ref_to. Internal error. Please report."); - return NULL; - } - _synctex_data_set_h(proxy, _synctex_data_h(ref)); - _synctex_data_set_v(proxy, _synctex_data_v(ref)-_synctex_data_height(to_node)); - _synctex_tree_set_target(proxy,to_node); -# if defined(SYNCTEX_USE_CHARINDEX) - proxy->line_index=to_node?to_node->line_index:0; - proxy->char_index=to_node?to_node->char_index:0; -# endif - return proxy; -} -/** - * The returned proxy will be the child or a sibling of owning_proxy. - * The returned proxy has no parent, nor child. - * Used only by synctex_node_child and synctex_node_sibling - * to create proxies on the fly. - * If the to_node has an already computed sibling, - * then the returned proxy has itself a sibling - * pointing to that already computed sibling. - */ -SYNCTEX_INLINE static synctex_node_p __synctex_new_child_proxy_to(synctex_node_p owner, synctex_node_p to_node) { - synctex_node_p proxy = NULL; - synctex_node_p target = to_node; - if (!owner) { - return NULL; - } - switch(synctex_node_type(target)) { - case synctex_node_type_vbox: - if ((proxy = _synctex_new_proxy_vbox(owner->class_->scanner))) { - exit_standard: - _synctex_data_set_h(proxy, _synctex_data_h(owner)); - _synctex_data_set_v(proxy, _synctex_data_v(owner)); - exit0: - _synctex_tree_set_target(proxy,target); -# if defined(SYNCTEX_USE_CHARINDEX) - proxy->line_index=to_node?to_node->line_index:0; - proxy->char_index=to_node?to_node->char_index:0; -# endif - return proxy; - }; - break; - case synctex_node_type_proxy_vbox: - if ((proxy = _synctex_new_proxy_vbox(owner->class_->scanner))) { - exit_proxy: - target = _synctex_tree_target(to_node); - _synctex_data_set_h(proxy, _synctex_data_h(owner)+_synctex_data_h(to_node)); - _synctex_data_set_v(proxy, _synctex_data_v(owner)+_synctex_data_v(to_node)); - goto exit0; - }; - break; - case synctex_node_type_hbox: - if ((proxy = _synctex_new_proxy_hbox(owner->class_->scanner))) { - goto exit_standard; - }; - break; - case synctex_node_type_proxy_hbox: - if ((proxy = _synctex_new_proxy_hbox(owner->class_->scanner))) { - goto exit_proxy; - }; - break; - case synctex_node_type_proxy: - case synctex_node_type_proxy_last: - if ((proxy = _synctex_new_proxy(owner->class_->scanner))) { - goto exit_proxy; - }; - break; - default: - if ((proxy = _synctex_new_proxy(owner->class_->scanner))) { - goto exit_standard; - }; - break; - } - _synctex_error("! __synctex_new_child_proxy_to. " - "Internal error. " - "Please report."); - return NULL; -} -SYNCTEX_INLINE static synctex_node_p _synctex_tree_set_sibling(synctex_node_p node, synctex_node_p new_sibling); -typedef struct synctex_nns_t { - synctex_node_p first; - synctex_node_p last; - synctex_status_t status; -} synctex_nns_s; -/** - * Given a target node, create a list of proxies. - * The first proxy points to the target node, - * its sibling points to the target's sibling and so on. - * Returns the first created proxy, the last one and - * an error status. - */ -SYNCTEX_INLINE static synctex_nns_s _synctex_new_child_proxies_to(synctex_node_p owner, synctex_node_p to_node) { - synctex_nns_s nns = {NULL,NULL,SYNCTEX_STATUS_OK}; - if ((nns.first = nns.last = __synctex_new_child_proxy_to(owner,to_node))) { - synctex_node_p to_next_sibling = __synctex_tree_sibling(to_node); - synctex_node_p to_sibling; - while ((to_sibling = to_next_sibling)) { - synctex_node_p sibling; - if ((to_next_sibling = __synctex_tree_sibling(to_sibling))) { - /* This is not the last sibling */ - if((sibling = __synctex_new_child_proxy_to(owner,to_sibling))) { - _synctex_tree_set_sibling(nns.last,sibling); - nns.last = sibling; - continue; - } else { - _synctex_error("! _synctex_new_child_proxy_to. " - "Internal error (1). " - "Please report."); - nns.status = SYNCTEX_STATUS_ERROR; - } - } else if((sibling = _synctex_new_proxy_last(owner->class_->scanner))) { - _synctex_tree_set_sibling(nns.last,sibling); - nns.last = sibling; - _synctex_data_set_h(nns.last, _synctex_data_h(nns.first)); - _synctex_data_set_v(nns.last, _synctex_data_v(nns.first)); - _synctex_tree_set_target(nns.last,to_sibling); -# if defined(SYNCTEX_USE_CHARINDEX) - nns.last->line_index=to_sibling->line_index; - nns.last->char_index=to_sibling->char_index; -# endif - } else { - _synctex_error("! _synctex_new_child_proxy_to. " - "Internal error (2). " - "Please report."); - nns.status = SYNCTEX_STATUS_ERROR; - } - break; - } - } - return nns; -} -static char * _synctex_node_abstract(synctex_node_p node); -SYNCTEX_INLINE static synctex_node_p synctex_tree_set_friend(synctex_node_p node,synctex_node_p new_friend) { -#if SYNCTEX_DEBUG - synctex_node_p F = new_friend; - while (F) { - if (node == F) { - printf("THIS IS AN ERROR\n"); - F = new_friend; - while (F) { - printf("%s\n",_synctex_node_abstract(F)); - if (node == F) { - return NULL; - } - F = _synctex_tree_friend(F); - } - return NULL; - } - F = _synctex_tree_friend(F); - } -#endif - return new_friend?_synctex_tree_set_friend(node,new_friend):_synctex_tree_reset_friend(node); -} -/** - * - */ -SYNCTEX_INLINE static synctex_node_p __synctex_node_make_friend(synctex_node_p node, int i) { - synctex_node_p old = NULL; - if (i>=0) { - i = i%(node->class_->scanner->number_of_lists); - old = synctex_tree_set_friend(node,(node->class_->scanner->lists_of_friends)[i]); - (node->class_->scanner->lists_of_friends)[i] = node; -#if SYNCTEX_DEBUG>500 - printf("tl(%i)=>",i); - synctex_node_log(node); - if (synctex_node_parent_form(node)) { - printf("! ERROR. No registration expected!\n"); - } -#endif - } - return old; -} -/** - * All proxies have tlc attributes, on behalf of their target. - * The purpose is to register all af them. - * - argument node: is the proxy, must not be NULL - */ -SYNCTEX_INLINE static synctex_node_p __synctex_proxy_make_friend_and_next_hbox(synctex_node_p node) { - synctex_node_p old = NULL; - synctex_node_p target = _synctex_tree_target(node); - if (target) { - int i = _synctex_data_tag(target)+_synctex_data_line(target); - old = __synctex_node_make_friend(node,i); - } else { - old = __synctex_tree_reset_friend(node); - } - if (synctex_node_type(node) == synctex_node_type_proxy_hbox) { - synctex_node_p sheet = synctex_node_parent_sheet(node); - if (sheet) { - _synctex_tree_set_next_hbox(node,_synctex_tree_next_hbox(sheet)); - _synctex_tree_set_next_hbox(sheet,node); - } - } - return old; -} -/** - * Register a node which have tag, line and column. - * - argument node: the node - */ -SYNCTEX_INLINE static synctex_node_p __synctex_node_make_friend_tlc(synctex_node_p node) { - int i = synctex_node_tag(node)+synctex_node_line(node); - return __synctex_node_make_friend(node,i); -} -/** - * Register a node which have tag, line and column. - * Does nothing if the argument is NULL. - * Calls __synctex_node_make_friend_tlc. - * - argument node: the node - */ -SYNCTEX_INLINE static void _synctex_node_make_friend_tlc(synctex_node_p node) { - if (node) { - __synctex_node_make_friend_tlc(node); - } -} -static synctex_node_p _synctex_node_set_child(synctex_node_p node, synctex_node_p new_child); -/** - * The (first) child of the node, if any, NULL otherwise. - * At parse time, non void box nodes have children. - * All other nodes have no children. - * In order to support pdf forms, proxies are created - * to place form nodes at real locations. - * Ref nodes are replaced by root proxies targeting - * form contents. If root proxies have no children, - * they are created on the fly as proxies to the - * children of the targeted box. - * As such, proxies created here are targeting a - * node that belongs to a form. - * This is the only place where child proxies are created. - */ -synctex_node_p synctex_node_child(synctex_node_p node) { - synctex_node_p child = NULL; - synctex_node_p target = NULL; - if ((child = _synctex_tree_child(node))) { - return child; - } else if ((target = _synctex_tree_target(node))) { - if ((child = synctex_node_child(target))) { - /* This is a proxy with no child - * which target does have a child. */ - synctex_nns_s nns = _synctex_new_child_proxies_to(node, child); - if (nns.first) { - _synctex_node_set_child(node,nns.first); - return nns.first; - } else { - _synctex_error("! synctex_node_child. Internal inconsistency. Please report."); - } - } - } - return NULL; -} -/* - * Set the parent/child bound. - * Things get complicated when new_child has siblings. - * The caller is responsible for releasing the returned value. - */ -static synctex_node_p _synctex_node_set_child(synctex_node_p parent, synctex_node_p new_child) { - if (parent) { - synctex_node_p old = _synctex_tree_set_child(parent,new_child); - synctex_node_p last_child = NULL; - synctex_node_p child; - if ((child = old)) { - do { - _synctex_tree_reset_parent(child); - } while ((child = __synctex_tree_sibling(child))); - } - if ((child = new_child)) { - do { - _synctex_tree_set_parent(child,parent); - last_child = child; - } while ((child = __synctex_tree_sibling(child))); - } - _synctex_tree_set_last(parent,last_child); - return old; - } - return NULL; -} - -/* The last child of the given node, or NULL. - */ -synctex_node_p synctex_node_last_child(synctex_node_p node) { - return _synctex_tree_last(node); -} -/** - * All nodes siblings are properly set up at parse time - * except for non root proxies. - */ -synctex_node_p synctex_node_sibling(synctex_node_p node) { - return node? __synctex_tree_sibling(node): NULL; -} -/** - * All the _synctex_tree_... methods refer to the tree model. - * __synctex_tree_... methods are low level. - */ -/** - * Replace the sibling. - * Connect to the arg_sibling of the new_sibling if relevant. - * - returns the old sibling. - * The caller is responsible for releasing the old sibling. - * The bound to the parent is managed below. - */ -SYNCTEX_INLINE static synctex_node_p _synctex_tree_set_sibling(synctex_node_p node, synctex_node_p new_sibling) { - if (node == new_sibling) { - printf("BOF\n"); - } - synctex_node_p old = node? __synctex_tree_set_sibling(node,new_sibling): NULL; - _synctex_tree_set_arg_sibling(new_sibling,node); - return old; -} -/** - * Replace the sibling. - * Set the parent of the new sibling (and further siblings) - * to the parent of the receiver. - * Also set the last sibling of parent. - * - argument new_sibling: must not be NULL. - * - returns the old sibling. - * The caller is responsible for releasing the old sibling. - */ -static synctex_node_p _synctex_node_set_sibling(synctex_node_p node, synctex_node_p new_sibling) { - if (node && new_sibling) { - synctex_node_p old = _synctex_tree_set_sibling(node,new_sibling); - if (_synctex_tree_has_parent(node)) { - synctex_node_p parent = __synctex_tree_parent(node); - if (parent) { - synctex_node_p N = new_sibling; - while (synctex_YES) { - if (_synctex_tree_has_parent(N)) { - __synctex_tree_set_parent(N,parent); - _synctex_tree_set_last(parent,N); - N = __synctex_tree_sibling(N); - continue; - } else if (N) { - _synctex_error("! synctex_node_sibling. " - "Internal inconsistency. " - "Please report."); - } - break; - } - } - } - return old; - } - return NULL; -} -/** - * The last sibling of the given node, or NULL with node. - */ -synctex_node_p synctex_node_last_sibling(synctex_node_p node) { - synctex_node_p sibling; - do { - sibling = node; - } while((node = synctex_node_sibling(node))); - return sibling; -} -/** - * The next nodes corresponds to a deep first tree traversal. - * Does not create child proxies as side effect contrary to - * the synctex_node_next method above. - * May loop infinitely many times if the tree - * is not properly built (contains loops). - */ -SYNCTEX_INLINE static synctex_node_p _synctex_node_sibling_or_parents(synctex_node_p node) { - while (node) { - synctex_node_p N; - if ((N = __synctex_tree_sibling(node))) { - return N; - } else if ((node = _synctex_tree_parent(node))) { - if (synctex_node_type(node) == synctex_node_type_sheet) {/* EXC_BAD_ACCESS? */ - return NULL; - } else if (synctex_node_type(node) == synctex_node_type_form) { - return NULL; - } - } else { - return NULL; - } - } - return NULL; -} -/** - * The next nodes corresponds to a deep first tree traversal. - * Creates child proxies as side effect. - * May loop infinitely many times if the tree - * is not properly built (contains loops). - */ -synctex_node_p synctex_node_next(synctex_node_p node) { - synctex_node_p N = synctex_node_child(node); - if (N) { - return N; - } - return _synctex_node_sibling_or_parents(node); -} -/** - * The next nodes corresponds to a deep first tree traversal. - * Does not create child proxies as side effect contrary to - * the synctex_node_next method above. - * May loop infinitely many times if the tree - * is not properly built (contains loops). - */ -synctex_node_p _synctex_node_next(synctex_node_p node) { - synctex_node_p N = _synctex_tree_child(node); - if (N) { - return N; - } - return _synctex_node_sibling_or_parents(node); -} -/** - * The node which argument is the sibling. - * - return: NULL if the argument has no parent or - * is the first child of its parent. - * - Input nodes have no arg siblings - */ -synctex_node_p synctex_node_arg_sibling(synctex_node_p node) { -#if 1 - return _synctex_tree_arg_sibling(node); -#else - synctex_node_p N = _synctex_tree_parent(node); - if ((N = _synctex_tree_child(N))) { - do { - synctex_node_p NN = __synctex_tree_sibling(N); - if (NN == node) { - return N; - } - N = NN; - } while (N); - } - return N; -#endif -} -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark CLASS -# endif - -/* Public node accessor: the type */ -synctex_node_type_t synctex_node_type(synctex_node_p node) { - return node? node->class_->type: synctex_node_type_none; -} - -/* Public node accessor: the type */ -synctex_node_type_t synctex_node_target_type(synctex_node_p node) { - synctex_node_p target = _synctex_tree_target(node); - if (target) { - return (((target)->class_))->type; - } else if (node) { - return (((node)->class_))->type; - } - return synctex_node_type_none; -} - -/* Public node accessor: the human readable type */ -const char * synctex_node_isa(synctex_node_p node) { - static const char * isa[synctex_node_number_of_types] = - {"Not a node", - "input", - "sheet", - "form", - "ref", - "vbox", - "void vbox", - "hbox", - "void hbox", - "kern", - "glue", - "rule", - "math", - "boundary", - "box_bdry", - "proxy", - "last proxy", - "vbox proxy", - "hbox proxy", - "handle"}; - return isa[synctex_node_type(node)]; -} - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark LOG -# endif - -/* Public node logger */ -void synctex_node_log(synctex_node_p node) { - SYNCTEX_MSG_SEND(node,log); -} - -static void _synctex_log_input(synctex_node_p node) { - if (node) { - printf("%s:%i,%s(%i)\n",synctex_node_isa(node), - _synctex_data_tag(node), - _synctex_data_name(node), - _synctex_data_line(node)); - printf("SELF:%p\n",(void *)node); - printf(" SIBLING:%p\n", - (void *)__synctex_tree_sibling(node)); - } -} - -static void _synctex_log_sheet(synctex_node_p node) { - if (node) { - printf("%s:%i",synctex_node_isa(node),_synctex_data_page(node)); - SYNCTEX_PRINT_CHARINDEX_NL; - printf("SELF:%p\n",(void *)node); - printf(" SIBLING:%p\n",(void *)__synctex_tree_sibling(node)); - printf(" PARENT:%p\n",(void *)_synctex_tree_parent(node)); - printf(" CHILD:%p\n",(void *)_synctex_tree_child(node)); - printf(" LEFT:%p\n",(void *)_synctex_tree_friend(node)); - printf(" NEXT_hbox:%p\n",(void *)_synctex_tree_next_hbox(node)); - } -} - -static void _synctex_log_form(synctex_node_p node) { - if (node) { - printf("%s:%i",synctex_node_isa(node),_synctex_data_tag(node)); - SYNCTEX_PRINT_CHARINDEX_NL; - printf("SELF:%p\n",(void *)node); - printf(" SIBLING:%p\n",(void *)__synctex_tree_sibling(node)); - printf(" PARENT:%p\n",(void *)_synctex_tree_parent(node)); - printf(" CHILD:%p\n",(void *)_synctex_tree_child(node)); - printf(" LEFT:%p\n",(void *)_synctex_tree_friend(node)); - } -} - -static void _synctex_log_ref(synctex_node_p node) { - if (node) { - printf("%s:%i:%i,%i", - synctex_node_isa(node), - _synctex_data_tag(node), - _synctex_data_h(node), - _synctex_data_v(node)); - SYNCTEX_PRINT_CHARINDEX_NL; - printf("SELF:%p\n",(void *)node); - printf(" SIBLING:%p\n",(void *)__synctex_tree_sibling(node)); - printf(" PARENT:%p\n",(void *)_synctex_tree_parent(node)); - } -} - -static void _synctex_log_tlchv_node(synctex_node_p node) { - if (node) { - printf("%s:%i,%i,%i:%i,%i", - synctex_node_isa(node), - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_column(node), - _synctex_data_h(node), - _synctex_data_v(node)); - SYNCTEX_PRINT_CHARINDEX_NL; - printf("SELF:%p\n",(void *)node); - printf(" SIBLING:%p\n",(void *)__synctex_tree_sibling(node)); - printf(" PARENT:%p\n",(void *)_synctex_tree_parent(node)); - printf(" CHILD:%p\n",(void *)_synctex_tree_child(node)); - printf(" LEFT:%p\n",(void *)_synctex_tree_friend(node)); - } -} - -static void _synctex_log_kern_node(synctex_node_p node) { - if (node) { - printf("%s:%i,%i,%i:%i,%i:%i", - synctex_node_isa(node), - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_column(node), - _synctex_data_h(node), - _synctex_data_v(node), - _synctex_data_width(node)); - SYNCTEX_PRINT_CHARINDEX_NL; - printf("SELF:%p\n",(void *)node); - printf(" SIBLING:%p\n",(void *)__synctex_tree_sibling(node)); - printf(" PARENT:%p\n",(void *)_synctex_tree_parent(node)); - printf(" CHILD:%p\n",(void *)_synctex_tree_child(node)); - printf(" LEFT:%p\n",(void *)_synctex_tree_friend(node)); - } -} - -static void _synctex_log_rule(synctex_node_p node) { - if (node) { - printf("%s:%i,%i,%i:%i,%i", - synctex_node_isa(node), - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_column(node), - _synctex_data_h(node), - _synctex_data_v(node)); - printf(":%i",_synctex_data_width(node)); - printf(",%i",_synctex_data_height(node)); - printf(",%i",_synctex_data_depth(node)); - SYNCTEX_PRINT_CHARINDEX_NL; - printf("SELF:%p\n",(void *)node); - printf(" SIBLING:%p\n",(void *)__synctex_tree_sibling(node)); - printf(" PARENT:%p\n",(void *)_synctex_tree_parent(node)); - printf(" LEFT:%p\n",(void *)_synctex_tree_friend(node)); - } -} - -static void _synctex_log_void_box(synctex_node_p node) { - if (node) { - printf("%s",synctex_node_isa(node)); - printf(":%i",_synctex_data_tag(node)); - printf(",%i",_synctex_data_line(node)); - printf(",%i",_synctex_data_column(node)); - printf(":%i",_synctex_data_h(node)); - printf(",%i",_synctex_data_v(node)); - printf(":%i",_synctex_data_width(node)); - printf(",%i",_synctex_data_height(node)); - printf(",%i",_synctex_data_depth(node)); - SYNCTEX_PRINT_CHARINDEX_NL; - printf("SELF:%p\n",(void *)node); - printf(" SIBLING:%p\n",(void *)__synctex_tree_sibling(node)); - printf(" PARENT:%p\n",(void *)_synctex_tree_parent(node)); - printf(" CHILD:%p\n",(void *)_synctex_tree_child(node)); - printf(" LEFT:%p\n",(void *)_synctex_tree_friend(node)); - } -} - -static void _synctex_log_vbox(synctex_node_p node) { - if (node) { - printf("%s",synctex_node_isa(node)); - printf(":%i",_synctex_data_tag(node)); - printf(",%i",_synctex_data_line(node)); - printf(",%i",_synctex_data_column(node)); - printf(":%i",_synctex_data_h(node)); - printf(",%i",_synctex_data_v(node)); - printf(":%i",_synctex_data_width(node)); - printf(",%i",_synctex_data_height(node)); - printf(",%i",_synctex_data_depth(node)); - SYNCTEX_PRINT_CHARINDEX_NL; - printf("SELF:%p\n",(void *)node); - printf(" SIBLING:%p\n",(void *)__synctex_tree_sibling(node)); - printf(" PARENT:%p\n",(void *)_synctex_tree_parent(node)); - printf(" CHILD:%p\n",(void *)_synctex_tree_child(node)); - printf(" LEFT:%p\n",(void *)_synctex_tree_friend(node)); - printf(" NEXT_hbox:%p\n",(void *)_synctex_tree_next_hbox(node)); - } -} - -static void _synctex_log_hbox(synctex_node_p node) { - if (node) { - printf("%s",synctex_node_isa(node)); - printf(":%i",_synctex_data_tag(node)); - printf(",%i~%i*%i",_synctex_data_line(node),_synctex_data_mean_line(node),_synctex_data_weight(node)); - printf(",%i",_synctex_data_column(node)); - printf(":%i",_synctex_data_h(node)); - printf(",%i",_synctex_data_v(node)); - printf(":%i",_synctex_data_width(node)); - printf(",%i",_synctex_data_height(node)); - printf(",%i",_synctex_data_depth(node)); - printf("/%i",_synctex_data_h_V(node)); - printf(",%i",_synctex_data_v_V(node)); - printf(":%i",_synctex_data_width_V(node)); - printf(",%i",_synctex_data_height_V(node)); - printf(",%i",_synctex_data_depth_V(node)); - SYNCTEX_PRINT_CHARINDEX_NL; - printf("SELF:%p\n",(void *)node); - printf(" SIBLING:%p\n",(void *)__synctex_tree_sibling(node)); - printf(" PARENT:%p\n",(void *)_synctex_tree_parent(node)); - printf(" CHILD:%p\n",(void *)_synctex_tree_child(node)); - printf(" LEFT:%p\n",(void *)_synctex_tree_friend(node)); - printf(" NEXT_hbox:%p\n",(void *)_synctex_tree_next_hbox(node)); - } -} -static void _synctex_log_proxy(synctex_node_p node) { - if (node) { - synctex_node_p N = _synctex_tree_target(node); - printf("%s",synctex_node_isa(node)); - printf(":%i",_synctex_data_h(node)); - printf(",%i",_synctex_data_v(node)); - SYNCTEX_PRINT_CHARINDEX_NL; - printf("SELF:%p\n",(void *)node); - printf(" SIBLING:%p\n",(void *)__synctex_tree_sibling(node)); - printf(" LEFT:%p\n",(void *)_synctex_tree_friend(node)); - printf(" ->%s\n",_synctex_node_abstract(N)); - } -} -static void _synctex_log_handle(synctex_node_p node) { - if (node) { - synctex_node_p N = _synctex_tree_target(node); - printf("%s",synctex_node_isa(node)); - SYNCTEX_PRINT_CHARINDEX_NL; - printf("SELF:%p\n",(void *)node); - printf(" SIBLING:%p\n",(void *)__synctex_tree_sibling(node)); - printf(" ->%s\n",_synctex_node_abstract(N)); - } -} - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark SYNCTEX_DISPLAY -# endif - -int synctex_scanner_display_switcher(synctex_scanner_p scanR) { - return scanR->display_switcher; -} -void synctex_scanner_set_display_switcher(synctex_scanner_p scanR, int switcher) { - scanR->display_switcher = switcher; -} -static const char * const _synctex_display_prompt = "................................"; - -static char * _synctex_scanner_display_prompt_down(synctex_scanner_p scanR) { - if (scanR->display_prompt>_synctex_display_prompt) { - --scanR->display_prompt; - } - return scanR->display_prompt; -} -static char * _synctex_scanner_display_prompt_up(synctex_scanner_p scanR) { - if (scanR->display_prompt+1<_synctex_display_prompt+strlen(_synctex_display_prompt)) { - ++scanR->display_prompt; - } - return scanR->display_prompt; -} - -void synctex_node_display(synctex_node_p node) { - if (node) { - synctex_scanner_p scanR = node->class_->scanner; - if (scanR) { - if (scanR->display_switcher<0) { - SYNCTEX_MSG_SEND(node, display); - } else if (scanR->display_switcher>0 && --scanR->display_switcher>0) { - SYNCTEX_MSG_SEND(node, display); - } else if (scanR->display_switcher-->=0) { - printf("%s Next display skipped. Reset display switcher.\n",node->class_->scanner->display_prompt); - } - } else { - SYNCTEX_MSG_SEND(node, display); - } - } -} -static char * _synctex_node_abstract(synctex_node_p node) { - SYNCTEX_PARAMETER_ASSERT(node || node->class_); - return (node && node->class_->abstract)? node->class_->abstract(node):"none"; -} - -SYNCTEX_INLINE static void _synctex_display_child(synctex_node_p node) { - synctex_node_p N = _synctex_tree_child(node); - if (N) { - _synctex_scanner_display_prompt_down(N->class_->scanner); - synctex_node_display(N); - _synctex_scanner_display_prompt_up(N->class_->scanner); - } -} - -SYNCTEX_INLINE static void _synctex_display_sibling(synctex_node_p node) { - synctex_node_display(__synctex_tree_sibling(node)); -} -#define SYNCTEX_ABSTRACT_MAX 128 -static char * _synctex_abstract_input(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"Input:%i:%s(%i)" SYNCTEX_PRINT_CHARINDEX_FMT, - _synctex_data_tag(node), - _synctex_data_name(node), - _synctex_data_line(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - } - return abstract; -} - -static void _synctex_display_input(synctex_node_p node) { - if (node) { - printf("Input:%i:%s(%i)" - SYNCTEX_PRINT_CHARINDEX_FMT - "\n", - _synctex_data_tag(node), - _synctex_data_name(node), - _synctex_data_line(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - synctex_node_display(__synctex_tree_sibling(node)); - } -} - -static char * _synctex_abstract_sheet(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"{%i...}" SYNCTEX_PRINT_CHARINDEX_FMT, - _synctex_data_page(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - } - return abstract; -} - -static void _synctex_display_sheet(synctex_node_p node) { - if (node) { - printf("%s{%i" - SYNCTEX_PRINT_CHARINDEX_FMT - "\n", - node->class_->scanner->display_prompt, - _synctex_data_page(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - _synctex_display_child(node); - printf("%s}\n",node->class_->scanner->display_prompt); - _synctex_display_sibling(node); - } -} - -static char * _synctex_abstract_form(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"<%i...>" SYNCTEX_PRINT_CHARINDEX_FMT, - _synctex_data_tag(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - SYNCTEX_PRINT_CHARINDEX; - } - return abstract; -} - -static void _synctex_display_form(synctex_node_p node) { - if (node) { - printf("%s<%i" - SYNCTEX_PRINT_CHARINDEX_FMT - "\n", - node->class_->scanner->display_prompt, - _synctex_data_tag(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - _synctex_display_child(node); - printf("%s>\n",node->class_->scanner->display_prompt); - _synctex_display_sibling(node); - } -} - -static char * _synctex_abstract_vbox(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"[%i,%i:%i,%i:%i,%i,%i...]" - SYNCTEX_PRINT_CHARINDEX_FMT, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node), - _synctex_data_width(node), - _synctex_data_height(node), - _synctex_data_depth(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - } - return abstract; -} - -static void _synctex_display_vbox(synctex_node_p node) { - if (node) { - printf("%s[%i,%i:%i,%i:%i,%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT - "\n", - node->class_->scanner->display_prompt, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node), - _synctex_data_width(node), - _synctex_data_height(node), - _synctex_data_depth(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - _synctex_display_child(node); - printf("%s]\n%slast:%s\n", - node->class_->scanner->display_prompt, - node->class_->scanner->display_prompt, - _synctex_node_abstract(_synctex_tree_last(node))); - _synctex_display_sibling(node); - } -} - -static char * _synctex_abstract_hbox(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"(%i,%i~%i*%i:%i,%i:%i,%i,%i...)" - SYNCTEX_PRINT_CHARINDEX_FMT, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_mean_line(node), - _synctex_data_weight(node), - _synctex_data_h(node), - _synctex_data_v(node), - _synctex_data_width(node), - _synctex_data_height(node), - _synctex_data_depth(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - } - return abstract; -} - -static void _synctex_display_hbox(synctex_node_p node) { - if (node) { - printf("%s(%i,%i~%i*%i:%i,%i:%i,%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT - "\n", - node->class_->scanner->display_prompt, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_mean_line(node), - _synctex_data_weight(node), - _synctex_data_h(node), - _synctex_data_v(node), - _synctex_data_width(node), - _synctex_data_height(node), - _synctex_data_depth(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - _synctex_display_child(node); - printf("%s)\n%slast:%s\n", - node->class_->scanner->display_prompt, - node->class_->scanner->display_prompt, - _synctex_node_abstract(_synctex_tree_last(node))); - _synctex_display_sibling(node); - } -} - -static char * _synctex_abstract_void_vbox(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"v%i,%i;%i,%i:%i,%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT - "\n", - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node), - _synctex_data_width(node), - _synctex_data_height(node), - _synctex_data_depth(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - } - return abstract; -} - -static void _synctex_display_void_vbox(synctex_node_p node) { - if (node) { - printf("%sv%i,%i;%i,%i:%i,%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT - "\n", - node->class_->scanner->display_prompt, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node), - _synctex_data_width(node), - _synctex_data_height(node), - _synctex_data_depth(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - _synctex_display_sibling(node); - } -} - -static char * _synctex_abstract_void_hbox(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"h%i,%i:%i,%i:%i,%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node), - _synctex_data_width(node), - _synctex_data_height(node), - _synctex_data_depth(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - } - return abstract; -} - -static void _synctex_display_void_hbox(synctex_node_p node) { - if (node) { - printf("%sh%i,%i:%i,%i:%i,%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT - "\n", - node->class_->scanner->display_prompt, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node), - _synctex_data_width(node), - _synctex_data_height(node), - _synctex_data_depth(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - _synctex_display_sibling(node); - } -} - -static char * _synctex_abstract_glue(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"glue:%i,%i:%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - } - return abstract; -} - -static void _synctex_display_glue(synctex_node_p node) { - if (node) { - printf("%sglue:%i,%i:%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT - "\n", - node->class_->scanner->display_prompt, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - _synctex_display_sibling(node); - } -} - -static char * _synctex_abstract_rule(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"rule:%i,%i:%i,%i:%i,%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node), - _synctex_data_width(node), - _synctex_data_height(node), - _synctex_data_depth(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - } - return abstract; -} - -static void _synctex_display_rule(synctex_node_p node) { - if (node) { - printf("%srule:%i,%i:%i,%i:%i,%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT - "\n", - node->class_->scanner->display_prompt, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node), - _synctex_data_width(node), - _synctex_data_height(node), - _synctex_data_depth(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - _synctex_display_sibling(node); - } -} - -static char * _synctex_abstract_math(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"math:%i,%i:%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - } - return abstract; -} - -static void _synctex_display_math(synctex_node_p node) { - if (node) { - printf("%smath:%i,%i:%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT - "\n", - node->class_->scanner->display_prompt, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - _synctex_display_sibling(node); - } -} - -static char * _synctex_abstract_kern(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"kern:%i,%i:%i,%i:%i" - SYNCTEX_PRINT_CHARINDEX_FMT, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node), - _synctex_data_width(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - } - return abstract; -} - -static void _synctex_display_kern(synctex_node_p node) { - if (node) { - printf("%skern:%i,%i:%i,%i:%i" - SYNCTEX_PRINT_CHARINDEX_FMT - "\n", - node->class_->scanner->display_prompt, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node), - _synctex_data_width(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - _synctex_display_sibling(node); - } -} - -static char * _synctex_abstract_boundary(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"boundary:%i,%i:%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - } - return abstract; -} - -static void _synctex_display_boundary(synctex_node_p node) { - if (node) { - printf("%sboundary:%i,%i:%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT - "\n", - node->class_->scanner->display_prompt, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - _synctex_display_sibling(node); - } -} - -static char * _synctex_abstract_box_bdry(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"box bdry:%i,%i:%i,%i" SYNCTEX_PRINT_CHARINDEX_FMT, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - } - return abstract; -} - -static void _synctex_display_box_bdry(synctex_node_p node) { - if (node) { - printf("%sbox bdry:%i,%i:%i,%i", - node->class_->scanner->display_prompt, - _synctex_data_tag(node), - _synctex_data_line(node), - _synctex_data_h(node), - _synctex_data_v(node)); - SYNCTEX_PRINT_CHARINDEX_NL; - _synctex_display_sibling(node); - } -} - -static char * _synctex_abstract_ref(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"form ref:%i:%i,%i" SYNCTEX_PRINT_CHARINDEX_FMT, - _synctex_data_tag(node), - _synctex_data_h(node), - _synctex_data_v(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - } - return abstract; -} - -static void _synctex_display_ref(synctex_node_p node) { - if (node) { - printf("%sform ref:%i:%i,%i", - node->class_->scanner->display_prompt, - _synctex_data_tag(node), - _synctex_data_h(node), - _synctex_data_v(node)); - SYNCTEX_PRINT_CHARINDEX_NL; - _synctex_display_sibling(node); - } -} -static char * _synctex_abstract_proxy(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - synctex_node_p N = _synctex_tree_target(node); - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"%s:%i,%i:%i,%i/%p%s", - synctex_node_isa(node), - synctex_node_tag(node), - synctex_node_line(node), - _synctex_data_h(node), - _synctex_data_v(node), - node, - _synctex_node_abstract(N)); - } - return abstract; -} -static void _synctex_display_proxy(synctex_node_p node) { - if (node) { - synctex_node_p N = _synctex_tree_target(node); - printf("%s%s:%i,%i:%i,%i", - node->class_->scanner->display_prompt, - synctex_node_isa(node), - synctex_node_tag(node), - synctex_node_line(node), - _synctex_data_h(node), - _synctex_data_v(node)); - if (N) { - printf("=%i,%i:%i,%i,%i->%s", - synctex_node_h(node), - synctex_node_v(node), - synctex_node_width(node), - synctex_node_height(node), - synctex_node_depth(node), - _synctex_node_abstract(N)); - } - printf("\n"); - _synctex_display_child(node); - _synctex_display_sibling(node); - } -} -static char * _synctex_abstract_proxy_vbox(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX, - "[*%i,%i:%i,%i:%i,%i,%i...*]" - SYNCTEX_PRINT_CHARINDEX_FMT, - synctex_node_tag(node), - synctex_node_line(node), - synctex_node_h(node), - synctex_node_v(node), - synctex_node_width(node), - synctex_node_height(node), - synctex_node_depth(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - } - return abstract; -} - -static void _synctex_display_proxy_vbox(synctex_node_p node) { - if (node) { - printf("%s[*%i,%i:%i,%i:%i,%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT - "\n", - node->class_->scanner->display_prompt, - synctex_node_tag(node), - synctex_node_line(node), - synctex_node_h(node), - synctex_node_v(node), - synctex_node_width(node), - synctex_node_height(node), - synctex_node_depth(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - _synctex_display_child(node); - printf("%s*]\n%slast:%s\n", - node->class_->scanner->display_prompt, - node->class_->scanner->display_prompt, - _synctex_node_abstract(_synctex_tree_last(node))); - _synctex_display_sibling(node); - } -} - -static char * _synctex_abstract_proxy_hbox(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"(*%i,%i~%i*%i:%i,%i:%i,%i,%i...*)/%p" - SYNCTEX_PRINT_CHARINDEX_FMT, - synctex_node_tag(node), - synctex_node_line(node), - synctex_node_mean_line(node), - synctex_node_weight(node), - synctex_node_h(node), - synctex_node_v(node), - synctex_node_width(node), - synctex_node_height(node), - synctex_node_depth(node), - node - SYNCTEX_PRINT_CHARINDEX_WHAT); - } - return abstract; -} - -static void _synctex_display_proxy_hbox(synctex_node_p node) { - if (node) { - printf("%s(*%i,%i~%i*%i:%i,%i:%i,%i,%i" - SYNCTEX_PRINT_CHARINDEX_FMT - "\n", - node->class_->scanner->display_prompt, - synctex_node_tag(node), - synctex_node_line(node), - synctex_node_mean_line(node), - synctex_node_weight(node), - synctex_node_h(node), - synctex_node_v(node), - synctex_node_width(node), - synctex_node_height(node), - synctex_node_depth(node) - SYNCTEX_PRINT_CHARINDEX_WHAT); - _synctex_display_child(node); - printf("%s*)\n%slast:%s\n", - node->class_->scanner->display_prompt, - node->class_->scanner->display_prompt, - _synctex_node_abstract(_synctex_tree_last(node))); - _synctex_display_sibling(node); - } -} - -static char * _synctex_abstract_handle(synctex_node_p node) { - static char abstract[SYNCTEX_ABSTRACT_MAX] = "none"; - if (node) { - synctex_node_p N = _synctex_tree_target(node); - if (N && !N->class_) { - exit(1); - } - snprintf(abstract,SYNCTEX_ABSTRACT_MAX,"%s:%s", - synctex_node_isa(node), - (N?_synctex_node_abstract(N):"")); - } - return abstract; -} -static void _synctex_display_handle(synctex_node_p node) { - if (node) { - synctex_node_p N = _synctex_tree_target(node); - printf("%s%s(%i):->%s\n", - node->class_->scanner->display_prompt, - synctex_node_isa(node), - _synctex_data_weight(N), - _synctex_node_abstract(N)); - _synctex_display_child(node); - _synctex_display_sibling(node); - } -} -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark STATUS -# endif - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark Prototypes -# endif -typedef struct { - size_t size; - synctex_status_t status; -} synctex_zs_s; -static synctex_zs_s _synctex_buffer_get_available_size(synctex_scanner_p scanner, size_t size); -static synctex_status_t _synctex_next_line(synctex_scanner_p scanner); -static synctex_status_t _synctex_match_string(synctex_scanner_p scanner, const char * the_string); - -typedef struct synctex_ns_t { - synctex_node_p node; - synctex_status_t status; -} synctex_ns_s; -static synctex_ns_s __synctex_parse_new_input(synctex_scanner_p scanner); -static synctex_status_t _synctex_scan_preamble(synctex_scanner_p scanner); -typedef struct { - float value; - synctex_status_t status; -} synctex_fs_s; -static synctex_fs_s _synctex_scan_float_and_dimension(synctex_scanner_p scanner); -static synctex_status_t _synctex_scan_post_scriptum(synctex_scanner_p scanner); -static synctex_status_t _synctex_scan_postamble(synctex_scanner_p scanner); -static synctex_status_t _synctex_setup_visible_hbox(synctex_node_p box); -static synctex_status_t _synctex_scan_content(synctex_scanner_p scanner); -int synctex_scanner_pre_x_offset(synctex_scanner_p scanner); -int synctex_scanner_pre_y_offset(synctex_scanner_p scanner); -const char * synctex_scanner_get_output_fmt(synctex_scanner_p scanner); - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark SCANNER UTILITIES -# endif - -# define SYNCTEX_FILE (scanner->reader->file) - -/** - * Try to ensure that the buffer contains at least size bytes. - * Passing a huge size argument means the whole buffer length. - * Passing a 0 size argument means return the available buffer length, without reading the file. - * In that case, the return status is always SYNCTEX_STATUS_OK unless the given scanner is NULL. - * The size_t value returned is the number of bytes now available in the buffer. This is a nonnegative integer, it may take the value 0. - * It is the responsibility of the caller to test whether this size is conforming to its needs. - * Negative values may return in case of error, actually - * when there was an error reading the synctex file. - * - parameter scanner: The owning scanner. When NULL, returns SYNCTEX_STATUS_BAD_ARGUMENT. - * - parameter expected: expected number of bytes. - * - returns: a size and a status. - */ -static synctex_zs_s _synctex_buffer_get_available_size(synctex_scanner_p scanner, size_t expected) { - size_t size = 0; - if (NULL == scanner) { - return (synctex_zs_s){0,SYNCTEX_STATUS_BAD_ARGUMENT}; - } - if (expected>scanner->reader->size){ - expected = scanner->reader->size; - } - size = SYNCTEX_END - SYNCTEX_CUR; /* available is the number of unparsed chars in the buffer */ - if (expected<=size) { - /* There are already sufficiently many characters in the buffer */ - return (synctex_zs_s){size,SYNCTEX_STATUS_OK}; - } - if (SYNCTEX_FILE) { - /* Copy the remaining part of the buffer to the beginning, - * then read the next part of the file */ - int already_read = 0; -# if defined(SYNCTEX_USE_CHARINDEX) - scanner->reader->charindex_offset += SYNCTEX_CUR - SYNCTEX_START; -# endif - if (size) { - memmove(SYNCTEX_START, SYNCTEX_CUR, size); - } - SYNCTEX_CUR = SYNCTEX_START + size; /* the next character after the move, will change. */ - /* Fill the buffer up to its end */ - already_read = gzread(SYNCTEX_FILE,(void *)SYNCTEX_CUR,(int)(SYNCTEX_BUFFER_SIZE - size)); - if (already_read>0) { - /* We assume that 0<already_read<=SYNCTEX_BUFFER_SIZE - size, such that - * SYNCTEX_CUR + already_read = SYNCTEX_START + size + already_read <= SYNCTEX_START + SYNCTEX_BUFFER_SIZE */ - SYNCTEX_END = SYNCTEX_CUR + already_read; - /* If the end of the file was reached, all the required SYNCTEX_BUFFER_SIZE - available - * may not be filled with values from the file. - * In that case, the buffer should stop properly after already_read characters. */ - * SYNCTEX_END = '\0'; /* there is enough room */ - SYNCTEX_CUR = SYNCTEX_START; - /* May be available is less than size, the caller will have to test. */ - return (synctex_zs_s){SYNCTEX_END - SYNCTEX_CUR,SYNCTEX_STATUS_OK}; - } else if (0>already_read) { - /* There is a possible error in reading the file */ - int errnum = 0; - const char * error_string = gzerror(SYNCTEX_FILE, &errnum); - if (Z_ERRNO == errnum) { - /* There is an error in zlib caused by the file system */ - _synctex_error("gzread error from the file system (%i)",errno); - return (synctex_zs_s){0,SYNCTEX_STATUS_ERROR}; - } else if (errnum) { - _synctex_error("gzread error (%i:%i,%s)",already_read,errnum,error_string); - return (synctex_zs_s){0,SYNCTEX_STATUS_ERROR}; - } - } - /* Nothing was read, we are at the end of the file. */ - gzclose(SYNCTEX_FILE); - SYNCTEX_FILE = NULL; - SYNCTEX_END = SYNCTEX_CUR; - SYNCTEX_CUR = SYNCTEX_START; - * SYNCTEX_END = '\0';/* Terminate the string properly.*/ - /* there might be a bit of text left */ - return (synctex_zs_s){SYNCTEX_END - SYNCTEX_CUR,SYNCTEX_STATUS_EOF}; - } - /* We cannot enlarge the buffer because the end of the file was reached. */ - return (synctex_zs_s){size,SYNCTEX_STATUS_EOF}; -} - -/* Used when parsing the synctex file. - * Advance to the next character starting a line. - * Actually, only '\n' is recognized as end of line marker. - * On normal completion, the returned value is the number of unparsed characters available in the buffer. - * In general, it is a positive value, 0 meaning that the end of file was reached. - * -1 is returned in case of error, actually because there was an error while feeding the buffer. - * When the function returns with no error, SYNCTEX_CUR points to the first character of the next line, if any. - * J. Laurens: Sat May 10 07:52:31 UTC 2008 - */ -static synctex_status_t _synctex_next_line(synctex_scanner_p scanner) { - synctex_status_t status = SYNCTEX_STATUS_OK; - if (NULL == scanner) { - return SYNCTEX_STATUS_BAD_ARGUMENT; - } -infinite_loop: - while(SYNCTEX_CUR<SYNCTEX_END) { - if (*SYNCTEX_CUR == '\n') { - ++SYNCTEX_CUR; - ++scanner->reader->line_number; - return _synctex_buffer_get_available_size(scanner, 1).status; - } - ++SYNCTEX_CUR; - } - /* Here, we have SYNCTEX_CUR == SYNCTEX_END, such that the next call to _synctex_buffer_get_available_size - * will read another bunch of synctex file. Little by little, we advance to the end of the file. */ - status = _synctex_buffer_get_available_size(scanner, 1).status; - if (status<=SYNCTEX_STATUS_EOF) { - return status; - } - goto infinite_loop; -} - -/* Scan the given string. - * Both scanner and the_string must not be NULL, and the_string must not be 0 length. - * SYNCTEX_STATUS_OK is returned if the string is found, - * SYNCTEX_STATUS_EOF is returned when the EOF is reached, - * SYNCTEX_STATUS_NOT_OK is returned is the string is not found, - * an error status is returned otherwise. - * This is a critical method because buffering renders things more difficult. - * The given string might be as long as the maximum size_t value. - * As side effect, the buffer state may have changed if the given argument string can't fit into the buffer. - */ -static synctex_status_t _synctex_match_string(synctex_scanner_p scanner, const char * the_string) { - size_t tested_len = 0; /* the number of characters at the beginning of the_string that match */ - size_t remaining_len = 0; /* the number of remaining characters of the_string that should match */ - size_t available = 0; - synctex_zs_s zs = {0,0}; - if (NULL == scanner || NULL == the_string) { - return SYNCTEX_STATUS_BAD_ARGUMENT; - } - remaining_len = strlen(the_string); /* All the_string should match */ - if (0 == remaining_len) { - return SYNCTEX_STATUS_BAD_ARGUMENT; - } - /* How many characters available in the buffer? */ - zs = _synctex_buffer_get_available_size(scanner,remaining_len); - if (zs.status<SYNCTEX_STATUS_EOF) { - return zs.status; - } - /* Maybe we have less characters than expected because the buffer is too small. */ - if (zs.size>=remaining_len) { - /* The buffer is sufficiently big to hold the expected number of characters. */ - if (strncmp((char *)SYNCTEX_CUR,the_string,remaining_len)) { - return SYNCTEX_STATUS_NOT_OK; - } - return_OK: - /* Advance SYNCTEX_CUR to the next character after the_string. */ - SYNCTEX_CUR += remaining_len; - return SYNCTEX_STATUS_OK; - } else if (strncmp((char *)SYNCTEX_CUR,the_string,zs.size)) { - /* No need to go further, this is not the expected string in the buffer. */ - return SYNCTEX_STATUS_NOT_OK; - } else if (SYNCTEX_FILE) { - /* The buffer was too small to contain remaining_len characters. - * We have to cut the string into pieces. */ - z_off_t offset = 0L; - /* the first part of the string is found, advance the_string to the next untested character. */ - the_string += zs.size; - /* update the remaining length and the parsed length. */ - remaining_len -= zs.size; - tested_len += zs.size; - SYNCTEX_CUR += zs.size; /* We validate the tested characters. */ - if (0 == remaining_len) { - /* Nothing left to test, we have found the given string. */ - return SYNCTEX_STATUS_OK; - } - /* We also have to record the current state of the file cursor because - * if the_string does not match, all this should be a totally blank operation, - * for which the file and buffer states should not be modified at all. - * In fact, the states of the buffer before and after this function are in general different - * but they are totally equivalent as long as the values of the buffer before SYNCTEX_CUR - * can be safely discarded. */ - offset = gztell(SYNCTEX_FILE); - /* offset now corresponds to the first character of the file that was not buffered. */ - /* SYNCTEX_CUR - SYNCTEX_START is the number of chars that where already buffered and - * that match the head of the_string. If in fine the_string does not match, all these chars must be recovered - * because the whole buffer contents is replaced in _synctex_buffer_get_available_size. - * They were buffered from offset-len location in the file. */ - offset -= SYNCTEX_CUR - SYNCTEX_START; - more_characters: - /* There is still some work to be done, so read another bunch of file. - * This is the second call to _synctex_buffer_get_available_size, - * which means that the actual contents of the buffer will be discarded. - * We will definitely have to recover the previous state in case we do not find the expected string. */ - zs = _synctex_buffer_get_available_size(scanner,remaining_len); - if (zs.status<SYNCTEX_STATUS_EOF) { - return zs.status; /* This is an error, no need to go further. */ - } - if (zs.size==0) { - /* Missing characters: recover the initial state of the file and return. */ - return_NOT_OK: - if (offset != gzseek(SYNCTEX_FILE,offset,SEEK_SET)) { - /* This is a critical error, we could not recover the previous state. */ - _synctex_error("Can't seek file"); - return SYNCTEX_STATUS_ERROR; - } - /* Next time we are asked to fill the buffer, - * we will read a complete bunch of text from the file. */ - SYNCTEX_CUR = SYNCTEX_END; - return SYNCTEX_STATUS_NOT_OK; - } - if (zs.size<remaining_len) { - /* We'll have to loop one more time. */ - if (strncmp((char *)SYNCTEX_CUR,the_string,zs.size)) { - /* This is not the expected string, recover the previous state and return. */ - goto return_NOT_OK; - } - /* Advance the_string to the first untested character. */ - the_string += available; - /* update the remaining length and the parsed length. */ - remaining_len -= zs.size; - tested_len += zs.size; - SYNCTEX_CUR += zs.size; /* We validate the tested characters. */ - goto more_characters; - } - /* This is the last step. */ - if (strncmp((char *)SYNCTEX_CUR,the_string,remaining_len)) { - /* This is not the expected string, recover the previous state and return. */ - goto return_NOT_OK; - } - goto return_OK; - } else { - /* The buffer can't contain the given string argument, and the EOF was reached */ - return SYNCTEX_STATUS_EOF; - } -} - -/* Used when parsing the synctex file. - * Decode an integer. - * First, field separators, namely ':' and ',' characters are skipped - * The returned value is negative if there is an unrecoverable error. - * It is SYNCTEX_STATUS_NOT_OK if an integer could not be parsed, for example - * if the characters at the current cursor position are not digits or - * if the end of the file has been reached. - * It is SYNCTEX_STATUS_OK if an int has been successfully parsed. - * The given scanner argument must not be NULL, on the contrary, value_ref may be NULL. - */ -static synctex_is_s _synctex_decode_int(synctex_scanner_p scanner) { - char * ptr = NULL; - char * end = NULL; - synctex_zs_s zs = {0,0}; - int result; - if (NULL == scanner) { - return (synctex_is_s){0, SYNCTEX_STATUS_BAD_ARGUMENT}; - } - zs = _synctex_buffer_get_available_size(scanner, SYNCTEX_BUFFER_MIN_SIZE); - if (zs.status<SYNCTEX_STATUS_EOF) { - return (synctex_is_s){0,zs.status}; - } - if (zs.size==0) { - return (synctex_is_s){0,SYNCTEX_STATUS_NOT_OK}; - } - ptr = SYNCTEX_CUR; - /* Optionally parse the separator */ - if (*ptr==':' || *ptr==',') { - ++ptr; - --zs.size; - if (zs.size==0) { - return (synctex_is_s){0,SYNCTEX_STATUS_NOT_OK}; - } - } - result = (int)strtol(ptr, &end, 10); - if (end>ptr) { - SYNCTEX_CUR = end; - return (synctex_is_s){result,SYNCTEX_STATUS_OK}; - } - return (synctex_is_s){result,SYNCTEX_STATUS_NOT_OK}; -} -static synctex_is_s _synctex_decode_int_opt(synctex_scanner_p scanner, int default_value) { - char * ptr = NULL; - char * end = NULL; - synctex_zs_s zs = {0, 0}; - if (NULL == scanner) { - return (synctex_is_s){default_value, SYNCTEX_STATUS_BAD_ARGUMENT}; - } - zs = _synctex_buffer_get_available_size(scanner, SYNCTEX_BUFFER_MIN_SIZE); - if (zs.status<SYNCTEX_STATUS_EOF) { - return (synctex_is_s){default_value,zs.status}; - } - if (zs.size==0) { - return (synctex_is_s){default_value,SYNCTEX_STATUS_OK}; - } - ptr = SYNCTEX_CUR; - /* Comma separator required */ - if (*ptr==',') { - int result; - ++ptr; - --zs.size; - if (zs.size==0) { - return (synctex_is_s){default_value,SYNCTEX_STATUS_NOT_OK}; - } - result = (int)strtol(ptr, &end, 10); - if (end>ptr) { - SYNCTEX_CUR = end; - return (synctex_is_s){result,SYNCTEX_STATUS_OK}; - } - return (synctex_is_s){default_value,SYNCTEX_STATUS_NOT_OK}; - } - return (synctex_is_s){default_value,SYNCTEX_STATUS_OK}; -} -/* Used when parsing the synctex file. - * Decode an integer for a v field. - * Try the _synctex_decode_int version and set the last v field scanned. - * If it does not succeed, tries to match an '=' sign, - * which is a shortcut for the last v field scanned. - */ -# define SYNCTEX_INPUT_COMEQUALS ",=" -static synctex_is_s _synctex_decode_int_v(synctex_scanner_p scanner) { - synctex_is_s is = _synctex_decode_int(scanner); - if (SYNCTEX_STATUS_OK == is.status) { - scanner->reader->lastv = is.integer; - return is; - } - is.status = _synctex_match_string(scanner,SYNCTEX_INPUT_COMEQUALS); - if (is.status<SYNCTEX_STATUS_OK) { - return is; - } - is.integer = scanner->reader->lastv; - return is; -} - -/* The purpose of this function is to read a string. - * A string is an array of characters from the current parser location - * and before the next '\n' character. - * If a string was properly decoded, it is returned in value_ref and - * the cursor points to the new line marker. - * The returned string was alloced on the heap, the caller is the owner and - * is responsible to free it in due time, - * unless it transfers the ownership to another object. - * If no string is parsed, * value_ref is undefined. - * The maximum length of a string that a scanner can decode is platform dependent, namely UINT_MAX. - * If you just want to blindly parse the file up to the end of the current line, - * use _synctex_next_line instead. - * On return, the scanner cursor is unchanged if a string could not be scanned or - * points to the terminating '\n' character otherwise. As a consequence, - * _synctex_next_line is necessary after. - * If either scanner or value_ref is NULL, it is considered as an error and - * SYNCTEX_STATUS_BAD_ARGUMENT is returned. - */ -static synctex_ss_s _synctex_decode_string(synctex_scanner_p scanner) { - char * end = NULL; - size_t len = 0;/* The number of bytes to copy */ - size_t already_len = 0; - synctex_zs_s zs = {0,0}; - char * string = NULL; - if (NULL == scanner) { - return (synctex_ss_s){NULL,SYNCTEX_STATUS_BAD_ARGUMENT}; - } - /* The buffer must at least contain one character: the '\n' end of line marker */ - if (SYNCTEX_CUR>=SYNCTEX_END) { -more_characters: - zs = _synctex_buffer_get_available_size(scanner,1); - if (zs.status < SYNCTEX_STATUS_EOF) { - return (synctex_ss_s){NULL,zs.status}; - } else if (0 == zs.size) { - return (synctex_ss_s){NULL,SYNCTEX_STATUS_EOF}; - } - } - /* Now we are sure that there is at least one available character, either because - * SYNCTEX_CUR was already < SYNCTEX_END, or because the buffer has been properly filled. */ - /* end will point to the next unparsed '\n' character in the file, when mapped to the buffer. */ - end = SYNCTEX_CUR; - /* We scan all the characters up to the next '\n' */ - while (end<SYNCTEX_END && *end != '\n') { - ++end; - } - /* OK, we found where to stop: - * either end == SYNCTEX_END - * or *end == '\n' */ - len = end - SYNCTEX_CUR; - if (len<UINT_MAX-already_len) { - if ((string = realloc(string,len+already_len+1)) != NULL) { - if (memcpy(string+already_len,SYNCTEX_CUR,len)) { - already_len += len; - string[already_len]='\0'; /* Terminate the string */ - SYNCTEX_CUR += len;/* Eventually advance to the terminating '\n' */ - if (SYNCTEX_CUR==SYNCTEX_END) { - /* No \n found*/ - goto more_characters; - } - /* trim the trailing whites */ - len = already_len; - while (len>0) { - already_len = len--; - if (string[len]!=' ') { - break; - } - } - string[already_len] = '\0'; - return (synctex_ss_s){string,SYNCTEX_STATUS_OK}; - } - free(string); - _synctex_error("could not copy memory (1)."); - return (synctex_ss_s){NULL,SYNCTEX_STATUS_ERROR}; - } - } - _synctex_error("could not (re)allocate memory (1)."); - return (synctex_ss_s){NULL,SYNCTEX_STATUS_ERROR}; -} - -/* Used when parsing the synctex file. - * Read an Input record. - * - parameter scanner: non NULL scanner - * - returns SYNCTEX_STATUS_OK on successful completions, others values otherwise. - */ -static synctex_ns_s __synctex_parse_new_input(synctex_scanner_p scanner) { - synctex_node_p input = NULL; - synctex_status_t status = SYNCTEX_STATUS_BAD_ARGUMENT; - synctex_zs_s zs = {0,0}; - if (NULL == scanner) { - return (synctex_ns_s){NULL,status}; - } - if ((status=_synctex_match_string(scanner,SYNCTEX_INPUT_MARK))<SYNCTEX_STATUS_OK) { - return (synctex_ns_s){NULL,status}; - } - /* Create a node */ - if (NULL == (input = _synctex_new_input(scanner))) { - _synctex_error("Could not create an input node."); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; - } - /* Decode the tag */ - if ((status=_synctex_data_decode_tag(input))<SYNCTEX_STATUS_OK) { - _synctex_error("Bad format of input node."); - synctex_node_free(input); - return (synctex_ns_s){NULL,status}; - } - /* The next character is a field separator, we expect one character in the buffer. */ - zs = _synctex_buffer_get_available_size(scanner, 1); - if (zs.status<=SYNCTEX_STATUS_ERROR) { - return (synctex_ns_s){NULL,status}; - } - if (0 == zs.size) { - return (synctex_ns_s){NULL,SYNCTEX_STATUS_EOF}; - } - /* We can now safely advance to the next character, stepping over the field separator. */ - ++SYNCTEX_CUR; - --zs.size; - /* Then we scan the file name */ - if ((status=_synctex_data_decode_name(input))<SYNCTEX_STATUS_OK) { - synctex_node_free(input); - _synctex_next_line(scanner);/* Ignore this whole line */ - return (synctex_ns_s){NULL,status}; - } - /* Prepend this input node to the input linked list of the scanner */ - __synctex_tree_set_sibling(input,scanner->input);/* input has no parent */ - scanner->input = input; -# if SYNCTEX_VERBOSE - synctex_node_log(input); -# endif - return (synctex_ns_s){input,_synctex_next_line(scanner)};/* read the line termination character, if any */ -} - -typedef synctex_is_s (*synctex_decoder_t)(synctex_scanner_p); - -/* Used when parsing the synctex file. - * Read one of the settings. - * On normal completion, returns SYNCTEX_STATUS_OK. - * On error, returns SYNCTEX_STATUS_ERROR. - * Both arguments must not be NULL. - * On return, the scanner points to the next character after the decoded object whatever it is. - * It is the responsibility of the caller to prepare the scanner for the next line. - */ -static synctex_status_t _synctex_scan_named(synctex_scanner_p scanner,const char * name) { - synctex_status_t status = 0; - if (NULL == scanner || NULL == name) { - return SYNCTEX_STATUS_BAD_ARGUMENT; - } -not_found: - status = _synctex_match_string(scanner,name); - if (status<SYNCTEX_STATUS_NOT_OK) { - return status; - } else if (status == SYNCTEX_STATUS_NOT_OK) { - status = _synctex_next_line(scanner); - if (status<SYNCTEX_STATUS_OK) { - return status; - } - goto not_found; - } - return SYNCTEX_STATUS_OK; -} - -/* Used when parsing the synctex file. - * Read the preamble. - */ -static synctex_status_t _synctex_scan_preamble(synctex_scanner_p scanner) { - synctex_status_t status = 0; - synctex_is_s is = {0,0}; - synctex_ss_s ss = {NULL,0}; - if (NULL == scanner) { - return SYNCTEX_STATUS_BAD_ARGUMENT; - } - status = _synctex_scan_named(scanner,"SyncTeX Version:"); - if (status<SYNCTEX_STATUS_OK) { - return status; - } - is = _synctex_decode_int(scanner); - if (is.status<SYNCTEX_STATUS_OK) { - return is.status; - } - status = _synctex_next_line(scanner); - if (status<SYNCTEX_STATUS_OK) { - return status; - } - scanner->version = is.integer; - /* Read all the input records */ - do { - status = __synctex_parse_new_input(scanner).status; - if (status<SYNCTEX_STATUS_NOT_OK) { - return status; - } - } while(status == SYNCTEX_STATUS_OK); - /* the loop exits when status == SYNCTEX_STATUS_NOT_OK */ - /* Now read all the required settings. */ - if ((status=_synctex_scan_named(scanner,"Output:"))<SYNCTEX_STATUS_OK) { - return status; - } - if ((ss=_synctex_decode_string(scanner)).status<SYNCTEX_STATUS_OK) { - return is.status; - } - if ((status=_synctex_next_line(scanner))<SYNCTEX_STATUS_OK) { - return status; - } - scanner->output_fmt = ss.string; - if ((status=_synctex_scan_named(scanner,"Magnification:"))<SYNCTEX_STATUS_OK) { - return status; - } - if ((is=_synctex_decode_int(scanner)).status<SYNCTEX_STATUS_OK) { - return is.status; - } - if ((status=_synctex_next_line(scanner))<SYNCTEX_STATUS_OK) { - return status; - } - scanner->pre_magnification = is.integer; - if ((status=_synctex_scan_named(scanner,"Unit:"))<SYNCTEX_STATUS_OK) { - return status; - } - if ((is=_synctex_decode_int(scanner)).status<SYNCTEX_STATUS_OK) { - return is.status; - } - if ((status=_synctex_next_line(scanner))<SYNCTEX_STATUS_OK) { - return status; - } - scanner->pre_unit = is.integer; - if ((status=_synctex_scan_named(scanner,"X Offset:"))<SYNCTEX_STATUS_OK) { - return status; - } - if ((is=_synctex_decode_int(scanner)).status<SYNCTEX_STATUS_OK) { - return is.status; - } - if ((status=_synctex_next_line(scanner))<SYNCTEX_STATUS_OK) { - return status; - } - scanner->pre_x_offset = is.integer; - if ((status=_synctex_scan_named(scanner,"Y Offset:"))<SYNCTEX_STATUS_OK) { - return status; - } - if ((is=_synctex_decode_int(scanner)).status<SYNCTEX_STATUS_OK) { - return is.status; - } - if ((status=_synctex_next_line(scanner))<SYNCTEX_STATUS_OK) { - return status; - } - scanner->pre_y_offset = is.integer; - return SYNCTEX_STATUS_OK; -} - -/* parse a float with a dimension */ -static synctex_fs_s _synctex_scan_float_and_dimension(synctex_scanner_p scanner) { - synctex_fs_s fs = {0,0}; - synctex_zs_s zs = {0,0}; - char * endptr = NULL; -#ifdef HAVE_SETLOCALE - char * loc = setlocale(LC_NUMERIC, NULL); -#endif - if (NULL == scanner) { - return (synctex_fs_s){0,SYNCTEX_STATUS_BAD_ARGUMENT}; - } - zs = _synctex_buffer_get_available_size(scanner, SYNCTEX_BUFFER_MIN_SIZE); - if (zs.status<SYNCTEX_STATUS_EOF) { - _synctex_error("Problem with float."); - return (synctex_fs_s){0,zs.status}; - } -#ifdef HAVE_SETLOCALE - setlocale(LC_NUMERIC, "C"); -#endif - fs.value = strtod(SYNCTEX_CUR,&endptr); -#ifdef HAVE_SETLOCALE - setlocale(LC_NUMERIC, loc); -#endif - if (endptr == SYNCTEX_CUR) { - _synctex_error("A float was expected."); - return (synctex_fs_s){0,SYNCTEX_STATUS_ERROR}; - } - SYNCTEX_CUR = endptr; - if ((fs.status = _synctex_match_string(scanner,"in")) >= SYNCTEX_STATUS_OK) { - fs.value *= 72.27f*65536; - } else if (fs.status<SYNCTEX_STATUS_EOF) { - report_unit_error: - _synctex_error("problem with unit."); - return fs; - } else if ((fs.status = _synctex_match_string(scanner,"cm")) >= SYNCTEX_STATUS_OK) { - fs.value *= 72.27f*65536/2.54f; - } else if (fs.status<SYNCTEX_STATUS_EOF) { - goto report_unit_error; - } else if ((fs.status = _synctex_match_string(scanner,"mm")) >= SYNCTEX_STATUS_OK) { - fs.value *= 72.27f*65536/25.4f; - } else if (fs.status<SYNCTEX_STATUS_EOF) { - goto report_unit_error; - } else if ((fs.status = _synctex_match_string(scanner,"pt")) >= SYNCTEX_STATUS_OK) { - fs.value *= 65536.0f; - } else if (fs.status<SYNCTEX_STATUS_EOF) { - goto report_unit_error; - } else if ((fs.status = _synctex_match_string(scanner,"bp")) >= SYNCTEX_STATUS_OK) { - fs.value *= 72.27f/72*65536.0f; - } else if (fs.status<SYNCTEX_STATUS_EOF) { - goto report_unit_error; - } else if ((fs.status = _synctex_match_string(scanner,"pc")) >= SYNCTEX_STATUS_OK) { - fs.value *= 12.0*65536.0f; - } else if (fs.status<SYNCTEX_STATUS_EOF) { - goto report_unit_error; - } else if ((fs.status = _synctex_match_string(scanner,"sp")) >= SYNCTEX_STATUS_OK) { - fs.value *= 1.0f; - } else if (fs.status<SYNCTEX_STATUS_EOF) { - goto report_unit_error; - } else if ((fs.status = _synctex_match_string(scanner,"dd")) >= SYNCTEX_STATUS_OK) { - fs.value *= 1238.0f/1157*65536.0f; - } else if (fs.status<SYNCTEX_STATUS_EOF) { - goto report_unit_error; - } else if ((fs.status = _synctex_match_string(scanner,"cc")) >= SYNCTEX_STATUS_OK) { - fs.value *= 14856.0f/1157*65536; - } else if (fs.status<SYNCTEX_STATUS_EOF) { - goto report_unit_error; - } else if ((fs.status = _synctex_match_string(scanner,"nd")) >= SYNCTEX_STATUS_OK) { - fs.value *= 685.0f/642*65536; - } else if (fs.status<SYNCTEX_STATUS_EOF) { - goto report_unit_error; - } else if ((fs.status = _synctex_match_string(scanner,"nc")) >= SYNCTEX_STATUS_OK) { - fs.value *= 1370.0f/107*65536; - } else if (fs.status<SYNCTEX_STATUS_EOF) { - goto report_unit_error; - } - return fs; -} - -/* parse the post scriptum - * SYNCTEX_STATUS_OK is returned on completion - * a negative error is returned otherwise */ -static synctex_status_t _synctex_scan_post_scriptum(synctex_scanner_p scanner) { - synctex_status_t status = 0; - synctex_fs_s fs = {0,0}; - char * endptr = NULL; -#ifdef HAVE_SETLOCALE - char * loc = setlocale(LC_NUMERIC, NULL); -#endif - if (NULL == scanner) { - return SYNCTEX_STATUS_BAD_ARGUMENT; - } - /* Scan the file until a post scriptum line is found */ -post_scriptum_not_found: - status = _synctex_match_string(scanner,"Post scriptum:"); - if (status<SYNCTEX_STATUS_NOT_OK) { - return status; - } - if (status == SYNCTEX_STATUS_NOT_OK) { - status = _synctex_next_line(scanner); - if (status<SYNCTEX_STATUS_EOF) { - return status; - } else if (status<SYNCTEX_STATUS_OK) { - return SYNCTEX_STATUS_OK;/* The EOF is found, we have properly scanned the file */ - } - goto post_scriptum_not_found; - } - /* We found the name, advance to the next line. */ -next_line: - status = _synctex_next_line(scanner); - if (status<SYNCTEX_STATUS_EOF) { - return status; - } else if (status<SYNCTEX_STATUS_OK) { - return SYNCTEX_STATUS_OK;/* The EOF is found, we have properly scanned the file */ - } - /* Scanning the information */ - status = _synctex_match_string(scanner,"Magnification:"); - if (status == SYNCTEX_STATUS_OK ) { -#ifdef HAVE_SETLOCALE - setlocale(LC_NUMERIC, "C"); -#endif - scanner->unit = strtod(SYNCTEX_CUR,&endptr); -#ifdef HAVE_SETLOCALE - setlocale(LC_NUMERIC, loc); -#endif - if (endptr == SYNCTEX_CUR) { - _synctex_error("bad magnification in the post scriptum, a float was expected."); - return SYNCTEX_STATUS_ERROR; - } - if (scanner->unit<=0) { - _synctex_error("bad magnification in the post scriptum, a positive float was expected."); - return SYNCTEX_STATUS_ERROR; - } - SYNCTEX_CUR = endptr; - goto next_line; - } - if (status<SYNCTEX_STATUS_EOF){ - report_record_problem: - _synctex_error("Problem reading the Post Scriptum records"); - return status; /* echo the error. */ - } - status = _synctex_match_string(scanner,"X Offset:"); - if (status == SYNCTEX_STATUS_OK) { - fs = _synctex_scan_float_and_dimension(scanner); - if (fs.status<SYNCTEX_STATUS_OK) { - _synctex_error("Problem with X offset in the Post Scriptum."); - return fs.status; - } - scanner->x_offset = fs.value; - goto next_line; - } else if (status<SYNCTEX_STATUS_EOF){ - goto report_record_problem; - } - status = _synctex_match_string(scanner,"Y Offset:"); - if (status==SYNCTEX_STATUS_OK) { - fs = _synctex_scan_float_and_dimension(scanner); - if (fs.status<SYNCTEX_STATUS_OK) { - _synctex_error("Problem with Y offset in the Post Scriptum."); - return fs.status; - } - scanner->x_offset = fs.value; - goto next_line; - } else if (status<SYNCTEX_STATUS_EOF){ - goto report_record_problem; - } - goto next_line; -} - -/* SYNCTEX_STATUS_OK is returned if the postamble is read - * SYNCTEX_STATUS_NOT_OK is returned if the postamble is not at the current location - * a negative error otherwise - * The postamble comprises the post scriptum section. - */ -static synctex_status_t _synctex_scan_postamble(synctex_scanner_p scanner) { - synctex_status_t status = 0; - synctex_is_s is = {0,0}; - if (NULL == scanner) { - return SYNCTEX_STATUS_BAD_ARGUMENT; - } - if (!scanner->flags.postamble && (status=_synctex_match_string(scanner,"Postamble:"))<SYNCTEX_STATUS_OK) { - return status; - } -count_again: - if ((status=_synctex_next_line(scanner))<SYNCTEX_STATUS_OK) { - return status; - } - if ((status=_synctex_scan_named(scanner,"Count:"))< SYNCTEX_STATUS_EOF) { - return status; /* forward the error */ - } else if (status < SYNCTEX_STATUS_OK) { /* No Count record found */ - goto count_again; - } - if ((is=_synctex_decode_int(scanner)).status<SYNCTEX_STATUS_OK) { - return is.status; - } - if ((status=_synctex_next_line(scanner))<SYNCTEX_STATUS_OK) { - return status; - } - scanner->count = is.integer; - /* Now we scan the last part of the SyncTeX file: the Post Scriptum section. */ - return _synctex_scan_post_scriptum(scanner); -} - -/* Horizontal boxes also have visible size. - * Visible size are bigger than real size. - * For example 0 width boxes may contain text. - * At creation time, the visible size is set to the values of the real size. - */ -static synctex_status_t _synctex_setup_visible_hbox(synctex_node_p box) { - if (box) { - switch(synctex_node_type(box)) { - case synctex_node_type_hbox: - _synctex_data_set_h_V(box,_synctex_data_h(box)); - _synctex_data_set_v_V(box,_synctex_data_v(box)); - _synctex_data_set_width_V(box,_synctex_data_width(box)); - _synctex_data_set_height_V(box,_synctex_data_height(box)); - _synctex_data_set_depth_V(box,_synctex_data_depth(box)); - return SYNCTEX_STATUS_OK; - default: - break; - } - } - return SYNCTEX_STATUS_BAD_ARGUMENT; -} - -/* This method is sent to an horizontal box to setup the visible size - * Some box have 0 width but do contain text material. - * With this method, one can enlarge the box to contain the given point (h,v). - */ -static synctex_status_t _synctex_make_hbox_contain_point(synctex_node_p node,synctex_point_s point) { - int min, max, n; - if (NULL == node || synctex_node_type(node) != synctex_node_type_hbox) { - return SYNCTEX_STATUS_BAD_ARGUMENT; - } - if ((n = _synctex_data_width_V(node))<0) { - max = _synctex_data_h_V(node); - min = max+n; - if (point.h<min) { - _synctex_data_set_width_V(node,point.h-max); - } else if (point.h>max) { - _synctex_data_set_h_V(node,point.h); - _synctex_data_set_width_V(node,min-point.h); - } - } else { - min = _synctex_data_h_V(node); - max = min+n; - if (point.h<min) { - _synctex_data_set_h_V(node,point.h); - _synctex_data_set_width_V(node,max - point.h); - } else if (point.h>max) { - _synctex_data_set_width_V(node,point.h - min); - } - } - n = _synctex_data_v_V(node); - min = n - _synctex_data_height_V(node); - max = n + _synctex_data_depth_V(node); - if (point.v<min) { - _synctex_data_set_height_V(node,n-point.v); - } else if (point.v>max) { - _synctex_data_set_depth_V(node,point.v-n); - } - return SYNCTEX_STATUS_OK; -} -static synctex_status_t _synctex_make_hbox_contain_box(synctex_node_p node,synctex_box_s box) { - int min, max, n; - if (NULL == node || synctex_node_type(node) != synctex_node_type_hbox) { - return SYNCTEX_STATUS_BAD_ARGUMENT; - } - if ((n = _synctex_data_width_V(node))<0) { - max = _synctex_data_h_V(node); - min = max+n; - if (box.min.h <min) { - _synctex_data_set_width_V(node,box.min.h-max); - } else if (box.max.h>max) { - _synctex_data_set_h_V(node,box.max.h); - _synctex_data_set_width_V(node,min-box.max.h); - } - } else { - min = _synctex_data_h_V(node); - max = min+n; - if (box.min.h<min) { - _synctex_data_set_h_V(node,box.min.h); - _synctex_data_set_width_V(node,max - box.min.h); - } else if (box.max.h>max) { - _synctex_data_set_width_V(node,box.max.h - min); - } - } - n = _synctex_data_v_V(node); - min = n - _synctex_data_height_V(node); - max = n + _synctex_data_depth_V(node); - if (box.min.v<min) { - _synctex_data_set_height_V(node,n-box.min.v); - } else if (box.max.v>max) { - _synctex_data_set_depth_V(node,box.max.v-n); - } - return SYNCTEX_STATUS_OK; -} -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark SPECIAL CHARACTERS -# endif - - -/* Here are the control characters that strat each line of the synctex output file. - * Their values define the meaning of the line. - */ -# define SYNCTEX_CHAR_BEGIN_SHEET '{' -# define SYNCTEX_CHAR_END_SHEET '}' -# define SYNCTEX_CHAR_BEGIN_FORM '<' -# define SYNCTEX_CHAR_END_FORM '>' -# define SYNCTEX_CHAR_BEGIN_VBOX '[' -# define SYNCTEX_CHAR_END_VBOX ']' -# define SYNCTEX_CHAR_BEGIN_HBOX '(' -# define SYNCTEX_CHAR_END_HBOX ')' -# define SYNCTEX_CHAR_ANCHOR '!' -# define SYNCTEX_CHAR_VOID_VBOX 'v' -# define SYNCTEX_CHAR_VOID_HBOX 'h' -# define SYNCTEX_CHAR_KERN 'k' -# define SYNCTEX_CHAR_GLUE 'g' -# define SYNCTEX_CHAR_RULE 'r' -# define SYNCTEX_CHAR_MATH '$' -# define SYNCTEX_CHAR_FORM_REF 'f' -# define SYNCTEX_CHAR_BOUNDARY 'x' -# define SYNCTEX_CHAR_CHARACTER 'c' -# define SYNCTEX_CHAR_COMMENT '%' - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark SCANNERS & PARSERS -# endif - -# define SYNCTEX_DECODE_FAILED(NODE,WHAT) \ -(_synctex_data_decode_##WHAT(NODE)<SYNCTEX_STATUS_OK) -# define SYNCTEX_DECODE_FAILED_V(NODE,WHAT) \ -(_synctex_data_decode_##WHAT##_v(NODE)<SYNCTEX_STATUS_OK) - -#define SYNCTEX_NS_NULL (synctex_ns_s){NULL,SYNCTEX_STATUS_NOT_OK} -static synctex_ns_s _synctex_parse_new_sheet(synctex_scanner_p scanner) { - synctex_node_p node; - if ((node = _synctex_new_sheet(scanner))) { - if ( - SYNCTEX_DECODE_FAILED(node,page)) { - _synctex_error("Bad sheet record."); - } else if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing end of sheet."); - } else { - /* Now set the owner */ - if (scanner->sheet) { - synctex_node_p last_sheet = scanner->sheet; - synctex_node_p next_sheet = NULL; - while ((next_sheet = __synctex_tree_sibling(last_sheet))) { - last_sheet = next_sheet; - } - /* sheets have no parent */ - __synctex_tree_set_sibling(last_sheet,node); - } else { - scanner->sheet = node; - } - return (synctex_ns_s){node,SYNCTEX_STATUS_OK}; - } - _synctex_free_node(node); - } - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; -} -/** - * - requirement: scanner != NULL - */ -static synctex_ns_s _synctex_parse_new_form(synctex_scanner_p scanner) { - synctex_node_p node; - if ((node = _synctex_new_form(scanner))) { - if ( - SYNCTEX_DECODE_FAILED(node,tag)) { - _synctex_error("Bad sheet record."); - } else if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing end of form."); - } else { - /* Now set the owner */ - if (scanner->form) { - synctex_node_p last_form = scanner->form; - synctex_node_p next_form = NULL; - while ((next_form = __synctex_tree_sibling(last_form))) { - last_form = next_form; - } - __synctex_tree_set_sibling(last_form,node); - } else { - scanner->form = node; - } - return (synctex_ns_s){node,SYNCTEX_STATUS_OK}; - } - _synctex_free_node(node); - } - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; -} -# define SYNCTEX_SHOULD_DECODE_FAILED(NODE,WHAT) \ -(_synctex_data_has_##WHAT(NODE) &&(_synctex_data_decode_##WHAT(NODE)<SYNCTEX_STATUS_OK)) -# define SYNCTEX_SHOULD_DECODE_FAILED_V(NODE,WHAT) \ -(_synctex_data_has_##WHAT(NODE) &&(_synctex_data_decode_##WHAT##_v(NODE)<SYNCTEX_STATUS_OK)) - -static synctex_status_t _synctex_data_decode_tlchvwhd(synctex_node_p node) { - return SYNCTEX_SHOULD_DECODE_FAILED(node,tag) - || SYNCTEX_SHOULD_DECODE_FAILED(node,line) - || SYNCTEX_SHOULD_DECODE_FAILED(node,column) - || SYNCTEX_SHOULD_DECODE_FAILED(node,h) - || SYNCTEX_SHOULD_DECODE_FAILED_V(node,v) - || SYNCTEX_SHOULD_DECODE_FAILED(node,width) - || SYNCTEX_SHOULD_DECODE_FAILED(node,height) - || SYNCTEX_SHOULD_DECODE_FAILED(node,depth); -} -static synctex_ns_s _synctex_parse_new_vbox(synctex_scanner_p scanner) { - synctex_node_p node; - if ((node = _synctex_new_vbox(scanner))) { - if (_synctex_data_decode_tlchvwhd(node)) { - _synctex_error("Bad vbox record."); - _synctex_next_line(scanner); - out: - _synctex_free_node(node); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; - } - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing end of vbox."); - goto out; - } - return (synctex_ns_s){node,SYNCTEX_STATUS_OK}; - } - _synctex_next_line(scanner); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; -} -SYNCTEX_INLINE static synctex_node_p __synctex_node_make_friend_tlc(synctex_node_p node); -static synctex_ns_s _synctex_parse_new_hbox(synctex_scanner_p scanner) { - synctex_node_p node; - if ((node = _synctex_new_hbox(scanner))) { - if (_synctex_data_decode_tlchvwhd(node)) { - _synctex_error("Bad hbox record."); - _synctex_next_line(scanner); - out: - _synctex_free_node(node); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; - } - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing end of hbox."); - goto out; - } - if (_synctex_setup_visible_hbox(node)<SYNCTEX_STATUS_OK) { - _synctex_error("Unexpected error (_synctex_parse_new_hbox)."); - goto out; - } - return (synctex_ns_s){node,SYNCTEX_STATUS_OK}; - } - _synctex_next_line(scanner); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; -} -static synctex_ns_s _synctex_parse_new_void_vbox(synctex_scanner_p scanner) { - synctex_node_p node; - if ((node = _synctex_new_void_vbox(scanner))) { - if (_synctex_data_decode_tlchvwhd(node)) { - _synctex_error("Bad void vbox record."); - _synctex_next_line(scanner); - out: - _synctex_free_node(node); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; - } - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing end of container."); - goto out; - } - return (synctex_ns_s){node,SYNCTEX_STATUS_OK}; - } - _synctex_next_line(scanner); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; -} -static synctex_ns_s _synctex_parse_new_void_hbox(synctex_scanner_p scanner) { - synctex_node_p node; - if ((node = _synctex_new_void_hbox(scanner))) { - if (_synctex_data_decode_tlchvwhd(node)) { - _synctex_error("Bad void hbox record."); - _synctex_next_line(scanner); - out: - _synctex_free_node(node); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; - } - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing end of container."); - goto out; - } - return (synctex_ns_s){node,SYNCTEX_STATUS_OK}; - } - _synctex_next_line(scanner); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; -} -static synctex_ns_s _synctex_parse_new_kern(synctex_scanner_p scanner) { - synctex_node_p node; - if ((node = _synctex_new_kern(scanner))) { - if (_synctex_data_decode_tlchvwhd(node)) { - _synctex_error("Bad kern record."); - _synctex_next_line(scanner); - out: - _synctex_free_node(node); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; - } - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing end of container."); - goto out; - } - return (synctex_ns_s){node,SYNCTEX_STATUS_OK}; - } - _synctex_next_line(scanner); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; -} -static synctex_ns_s _synctex_parse_new_glue(synctex_scanner_p scanner) { - synctex_node_p node; - if ((node = _synctex_new_glue(scanner))) { - if (_synctex_data_decode_tlchvwhd(node)) { - _synctex_error("Bad glue record."); - _synctex_next_line(scanner); - out: - _synctex_free_node(node); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; - } - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing end of container."); - goto out; - } - return (synctex_ns_s){node,SYNCTEX_STATUS_OK}; - } - _synctex_next_line(scanner); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; -} -static synctex_ns_s _synctex_parse_new_rule(synctex_scanner_p scanner) { - synctex_node_p node; - if ((node = _synctex_new_rule(scanner))) { - if (_synctex_data_decode_tlchvwhd(node)) { - _synctex_error("Bad rule record."); - _synctex_next_line(scanner); - out: - _synctex_free_node(node); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; - } - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing end of container."); - goto out; - } - return (synctex_ns_s){node,SYNCTEX_STATUS_OK}; - } - _synctex_next_line(scanner); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; -} -static synctex_ns_s _synctex_parse_new_math(synctex_scanner_p scanner) { - synctex_node_p node; - if ((node = _synctex_new_math(scanner))) { - if (_synctex_data_decode_tlchvwhd(node)) { - _synctex_error("Bad math record."); - _synctex_next_line(scanner); - out: - _synctex_free_node(node); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; - } - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing end of container."); - goto out; - } - return (synctex_ns_s){node,SYNCTEX_STATUS_OK}; - } - _synctex_next_line(scanner); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; -} -static synctex_ns_s _synctex_parse_new_boundary(synctex_scanner_p scanner) { - synctex_node_p node; - if ((node = _synctex_new_boundary(scanner))) { - if (_synctex_data_decode_tlchvwhd(node)) { - _synctex_error("Bad boundary record."); - _synctex_next_line(scanner); - out: - _synctex_free_node(node); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; - } - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing end of container."); - goto out; - } - return (synctex_ns_s){node,SYNCTEX_STATUS_OK}; - } - _synctex_next_line(scanner); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; -} -SYNCTEX_INLINE static synctex_ns_s _synctex_parse_new_ref(synctex_scanner_p scanner) { - synctex_node_p node; - if ((node = _synctex_new_ref(scanner))) { - if (SYNCTEX_DECODE_FAILED(node,tag) - || SYNCTEX_DECODE_FAILED(node,h) - || SYNCTEX_DECODE_FAILED_V(node,v)) { - _synctex_error("Bad form ref record."); - _synctex_next_line(scanner); - out: - _synctex_free_node(node); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; - } - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing end of container."); - goto out; - } - return (synctex_ns_s){node,SYNCTEX_STATUS_OK}; - } - _synctex_next_line(scanner); - return (synctex_ns_s){NULL,SYNCTEX_STATUS_ERROR}; -} -# undef SYNCTEX_DECODE_FAILED -# undef SYNCTEX_DECODE_FAILED_V - -SYNCTEX_INLINE static synctex_point_s _synctex_data_point(synctex_node_p node); -SYNCTEX_INLINE static synctex_point_s _synctex_data_point_V(synctex_node_p node); -SYNCTEX_INLINE static synctex_point_s _synctex_data_set_point(synctex_node_p node, synctex_point_s point); -SYNCTEX_INLINE static synctex_box_s _synctex_data_box(synctex_node_p node); -SYNCTEX_INLINE static synctex_box_s _synctex_data_xob(synctex_node_p node); -SYNCTEX_INLINE static synctex_box_s _synctex_data_box_V(synctex_node_p node); - -SYNCTEX_INLINE static synctex_node_p _synctex_input_register_line(synctex_node_p input,synctex_node_p node) { - if (node && _synctex_data_tag(input) != _synctex_data_tag(node)) { - input = synctex_scanner_input_with_tag(node->class_->scanner,_synctex_data_tag(node)); - } - if (_synctex_data_line(node)>_synctex_data_line(input)) { - _synctex_data_set_line(input,_synctex_data_line(node)); - } - return input; -} -/** - * Free node and its siblings and return its detached child. - */ -SYNCTEX_INLINE static synctex_node_p _synctex_handle_pop_child(synctex_node_p handle) { - synctex_node_p child = _synctex_tree_reset_child(handle); - synctex_node_free(handle); - return child; -} -/** - * Set the tlc of all the x nodes that are targets of - * x_handle and its sibling. - * Reset the target of x_handle and deletes its siblings. - * child is a node that has just been parsed and is not a boundary node. - */ -SYNCTEX_INLINE static void _synctex_handle_set_tlc(synctex_node_p x_handle, synctex_node_p child, synctex_bool_t make_friend) { - if (x_handle) { - synctex_node_p sibling = x_handle; - if (child) { - synctex_node_p target; - while ((target = synctex_node_target(sibling))) { - _synctex_data_set_tlc(target,child); - if (make_friend) { - _synctex_node_make_friend_tlc(target); - } - if ((sibling = __synctex_tree_sibling(sibling))) { - continue; - } else { - break; - } - } - } - _synctex_tree_reset_target(x_handle); - sibling = __synctex_tree_reset_sibling(x_handle); - synctex_node_free(sibling); - } -} -/** - * When we have parsed a box, we must register - * all the contained heading boundary nodes - * that have not yet been registered. - * Those handles will be deleted when poping. - */ -SYNCTEX_INLINE static void _synctex_handle_make_friend_tlc(synctex_node_p node) { - while (node) { - synctex_node_p target = _synctex_tree_reset_target(node); - _synctex_node_make_friend_tlc(target); - node = __synctex_tree_sibling(node); - } -} -/** - * Scan sheets, forms and input records. - * - parameter scanner: owning scanner - * - returns: status - */ -static synctex_status_t __synctex_parse_sfi(synctex_scanner_p scanner) { - synctex_status_t status = SYNCTEX_STATUS_OK; - synctex_zs_s zs = {0,0}; - synctex_ns_s input = SYNCTEX_NS_NULL; - synctex_node_p sheet = NULL; - synctex_node_p form = NULL; - synctex_node_p parent = NULL; - synctex_node_p child = NULL; - /* - * Experimentations lead to the forthcoming conclusion: - * Sometimes, the first nodes of a box have the wrong line number. - * These are only boundary (x) nodes. - * We observed that boundary nodes do have the proper line number - * if they follow a node with a different type. - * We keep track of these leading x nodes in a handle tree. - */ - synctex_node_p x_handle = NULL; -# define SYNCTEX_RETURN(STATUS) \ - synctex_node_free(x_handle);\ - return STATUS - synctex_node_p last_k = NULL; - synctex_node_p last_g = NULL; - synctex_ns_s ns = SYNCTEX_NS_NULL; - int form_depth = 0; - int ignored_form_depth = 0; - synctex_bool_t try_input = synctex_YES; - if (!(x_handle = _synctex_new_handle(scanner))) { - SYNCTEX_RETURN(SYNCTEX_STATUS_ERROR); - } -# ifdef SYNCTEX_NOTHING -# pragma mark MAIN LOOP -# endif -main_loop: - status = SYNCTEX_STATUS_OK; - sheet = form = parent = child = NULL; -# define SYNCTEX_START_SCAN(WHAT)\ -(*SYNCTEX_CUR == SYNCTEX_CHAR_##WHAT) - if (SYNCTEX_CUR<SYNCTEX_END) { - if (SYNCTEX_START_SCAN(BEGIN_FORM)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN FORM -# endif - scan_form: - ns = _synctex_parse_new_form(scanner); - if (ns.status == SYNCTEX_STATUS_OK) { - ++form_depth; - if (_synctex_tree_parent(form)) { - /* This form is already being parsed */ - ++ignored_form_depth; - goto ignore_loop; - } - _synctex_tree_set_parent(ns.node,form); - form = ns.node; - parent = form; - child = NULL; - last_k = last_g = NULL; - goto content_loop; - } - if (form || sheet) { - last_k = last_g = NULL; - goto content_loop; - } - try_input = synctex_YES; - goto main_loop; - } else if (SYNCTEX_START_SCAN(BEGIN_SHEET)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN SHEET -# endif - try_input = synctex_YES; - ns = _synctex_parse_new_sheet(scanner); - if (ns.status == SYNCTEX_STATUS_OK) { - sheet = ns.node; - parent = sheet; - last_k = last_g = NULL; - goto content_loop; - } - goto main_loop; - } else if (SYNCTEX_START_SCAN(ANCHOR)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN ANCHOR -# endif - scan_anchor: - ++SYNCTEX_CUR; - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing anchor."); - SYNCTEX_RETURN(SYNCTEX_STATUS_ERROR); - } - if (form || sheet) { - last_k = last_g = NULL; - goto content_loop; - } - try_input = synctex_YES; - goto main_loop; - } else if (SYNCTEX_START_SCAN(ANCHOR)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN COMMENT -# endif - ++SYNCTEX_CUR; - _synctex_next_line(scanner); - try_input = synctex_YES; - goto main_loop; - } else if (try_input) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN INPUT -# endif - try_input = synctex_NO; - do { - input = __synctex_parse_new_input(scanner); - } while (input.status == SYNCTEX_STATUS_OK); - goto main_loop; - } - status = _synctex_match_string(scanner,"Postamble:"); - if (status==SYNCTEX_STATUS_OK) { - scanner->flags.postamble = 1; - SYNCTEX_RETURN(status); - } - status = _synctex_next_line(scanner); - if (status<SYNCTEX_STATUS_OK) { - SYNCTEX_RETURN(status); - } - } - /* At least 1 more character */ - zs = _synctex_buffer_get_available_size(scanner,1); - if (zs.size == 0){ - _synctex_error("Uncomplete synctex file, postamble missing."); - SYNCTEX_RETURN(SYNCTEX_STATUS_ERROR); - } - goto main_loop; - /* Unreachable. */ -# ifdef SYNCTEX_NOTHING -# pragma mark IGNORE LOOP -# endif -ignore_loop: - ns = SYNCTEX_NS_NULL; - if (SYNCTEX_CUR<SYNCTEX_END) { - if (SYNCTEX_START_SCAN(BEGIN_FORM)) { - ++ignored_form_depth; - } else if (SYNCTEX_START_SCAN(END_FORM)) { - --ignored_form_depth; - } - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Uncomplete container."); - SYNCTEX_RETURN(SYNCTEX_STATUS_ERROR); - } - } else { - zs = _synctex_buffer_get_available_size(scanner,1); - if (zs.size == 0){ - _synctex_error("Uncomplete synctex file, postamble missing."); - SYNCTEX_RETURN(SYNCTEX_STATUS_ERROR); - } - } - if (ignored_form_depth) { - goto ignore_loop; - } else { - last_k = last_g = NULL; - goto content_loop; - } - -# ifdef SYNCTEX_NOTHING -# pragma mark CONTENT LOOP -# endif -content_loop: - /* Either in a form, a sheet or a box. - * - in a sheet, "{" is not possible, only boxes and "}" at top level. - * - in a form, "{" is not possible, only boxes, "<" and ">" at top level. - * - in a box, the unique possibility is '<', '[', '(' or ">". - * We still keep the '(' for a sheet, because that dos not cost too much. - * We must also consider void boxes as children. - */ - /* forms are everywhere */ - ns = SYNCTEX_NS_NULL; -#if SYNCTEX_VERBOSE - synctex_scanner_set_display_switcher(scanner,-1); - printf("NEW CONTENT LOOP\n"); -#if SYNCTEX_DEBUG>500 - synctex_node_display(sheet); -#endif -#endif - if (SYNCTEX_CUR<SYNCTEX_END) { - if (SYNCTEX_START_SCAN(BEGIN_FORM)) { - goto scan_form; - } else if (SYNCTEX_START_SCAN(BEGIN_VBOX)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN VBOX -# endif - ns = _synctex_parse_new_vbox(scanner); - if (ns.status == SYNCTEX_STATUS_OK) { - x_handle = _synctex_new_handle_with_child(x_handle); - if (child) { - _synctex_node_set_sibling(child,ns.node); - } else { - _synctex_node_set_child(parent,ns.node); - } - parent = ns.node; - child = _synctex_tree_last(parent); -# if SYNCTEX_VERBOSE - synctex_node_log(parent); -# endif - input.node = _synctex_input_register_line(input.node,parent); - last_k = last_g = NULL; - goto content_loop; - } - } else if (SYNCTEX_START_SCAN(END_VBOX)) { - if (synctex_node_type(parent) == synctex_node_type_vbox) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN XOBV -# endif - ++SYNCTEX_CUR; - if (NULL == _synctex_tree_child(parent) && !form) { - /* only void v boxes are friends */ - _synctex_node_make_friend_tlc(parent); - } - child = parent; - parent = _synctex_tree_parent(child); - if (!form) { - _synctex_handle_make_friend_tlc(x_handle); - } - x_handle = _synctex_handle_pop_child(x_handle); - _synctex_handle_set_tlc(x_handle,child,!form); -# if SYNCTEX_VERBOSE - synctex_node_log(child); -# endif - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Uncomplete container."); - SYNCTEX_RETURN(SYNCTEX_STATUS_ERROR); - } - last_k = last_g = NULL; - goto content_loop; - } - } else if (SYNCTEX_START_SCAN(BEGIN_HBOX)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN HBOX -# endif -# if defined(SYNCTEX_USE_CHARINDEX) - synctex_charindex_t char_index = (synctex_charindex_t)(scanner->reader->charindex_offset+SYNCTEX_CUR-SYNCTEX_START); - synctex_lineindex_t line_index = scanner->reader->line_number; -# endif - ns = _synctex_parse_new_hbox(scanner); - if (ns.status == SYNCTEX_STATUS_OK) { - x_handle = _synctex_new_handle_with_child(x_handle); - if (child) { - _synctex_node_set_sibling(child,ns.node); - } else { - _synctex_node_set_child(parent,ns.node); - } - parent = ns.node; - /* add a box boundary node at the start */ - if ((child = _synctex_new_box_bdry(scanner))) { -# if defined(SYNCTEX_USE_CHARINDEX) - child->line_index=line_index; - child->char_index=char_index; -# endif - _synctex_node_set_child(parent,child); - _synctex_data_set_tlchv(child,parent); - if (!form) { - __synctex_node_make_friend_tlc(child); - } - } else { - _synctex_error("Can't create box bdry record."); - } -# if SYNCTEX_VERBOSE - synctex_node_log(parent); -# endif - input.node = _synctex_input_register_line(input.node,parent); - last_k = last_g = NULL; - goto content_loop; - } - } else if (SYNCTEX_START_SCAN(END_HBOX)) { - if (synctex_node_type(parent) == synctex_node_type_hbox) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN XOBH -# endif - ++SYNCTEX_CUR; - /* setting the next horizontal box at the end ensures - * that a child is recorded before any of its ancestors. - */ - if (form == NULL /* && sheet != NULL*/ ) { - _synctex_tree_set_next_hbox(parent,_synctex_tree_next_hbox(sheet)); - _synctex_tree_set_next_hbox(sheet,parent); - } - { - /* Update the mean line number */ - synctex_node_p node = _synctex_tree_child(parent); - synctex_node_p sibling = NULL; - /* Ignore the first node (a box_bdry) */ - if (node && (sibling = __synctex_tree_sibling(node))) { - unsigned int node_weight = 0; - unsigned int cumulated_line_numbers = 0; - _synctex_data_set_line(node, _synctex_data_line(sibling)); - node = sibling; - do { - if (synctex_node_type(node)==synctex_node_type_hbox) { - if (_synctex_data_weight(node)) { - node_weight += _synctex_data_weight(node); - cumulated_line_numbers += _synctex_data_mean_line(node)*_synctex_data_weight(node); - } else { - ++node_weight; - cumulated_line_numbers += _synctex_data_mean_line(node); - } - } else { - ++node_weight; - cumulated_line_numbers += synctex_node_line(node); - } - } while ((node = __synctex_tree_sibling(node))); - _synctex_data_set_mean_line(parent,(cumulated_line_numbers + node_weight/2)/node_weight); - _synctex_data_set_weight(parent,node_weight); - } else { - _synctex_data_set_mean_line(parent,_synctex_data_line(parent)); - _synctex_data_set_weight(parent,1); - } - if ((sibling = _synctex_new_box_bdry(scanner))) { -# if defined(SYNCTEX_USE_CHARINDEX) - sibling->line_index=child->line_index; - sibling->char_index=child->char_index; -# endif - _synctex_node_set_sibling(child,sibling); - { - synctex_node_p N = child; - while (synctex_node_type(N) == synctex_node_type_ref) { - N = _synctex_tree_arg_sibling(N); - } - _synctex_data_set_tlc(sibling,N); - } - _synctex_data_set_h(sibling,_synctex_data_h_V(parent)+_synctex_data_width_V(parent)); - _synctex_data_set_v(sibling,_synctex_data_v_V(parent)); - child = sibling; - } else { - _synctex_error("Can't create box bdry record."); - } - sibling = _synctex_tree_child(parent); - _synctex_data_set_point(sibling,_synctex_data_point_V(parent)); - if (last_k && last_g && (child = synctex_node_child(parent))) { - /* Find the node preceeding last_k */ - synctex_node_p next; - while ((next = __synctex_tree_sibling(child))) { - if (next == last_k) { - _synctex_data_set_tlc(last_k,child); - _synctex_data_set_tlc(last_g,child); - break; - } - child = next; - } - } - child = parent; - parent = _synctex_tree_parent(child); - if (!form) { - _synctex_handle_make_friend_tlc(x_handle); - } - x_handle = _synctex_handle_pop_child(x_handle); - _synctex_handle_set_tlc(x_handle,child,!form); - _synctex_make_hbox_contain_box(parent, _synctex_data_box_V(child)); -# if SYNCTEX_VERBOSE - synctex_node_log(child); -# endif - } - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Uncomplete container."); - SYNCTEX_RETURN(SYNCTEX_STATUS_ERROR); - } - last_k = last_g = NULL; - goto content_loop; - } - } else if (SYNCTEX_START_SCAN(VOID_VBOX)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN VOID VBOX -# endif - ns = _synctex_parse_new_void_vbox(scanner); - if (ns.status == SYNCTEX_STATUS_OK) { - if (child) { - _synctex_node_set_sibling(child,ns.node); - } else { - _synctex_node_set_child(parent,ns.node); - } - child = ns.node; - _synctex_handle_set_tlc(x_handle, child,!form); -# if SYNCTEX_VERBOSE - synctex_node_log(child); -# endif - input.node = _synctex_input_register_line(input.node,child); - last_k = last_g = NULL; - goto content_loop; - } - } else if (SYNCTEX_START_SCAN(VOID_HBOX)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN VOID HBOX -# endif - ns = _synctex_parse_new_void_hbox(scanner); - if (ns.status == SYNCTEX_STATUS_OK) { - if (_synctex_data_width(ns.node)<0) { - printf("Negative width\n"); - } - if (child) { - _synctex_node_set_sibling(child,ns.node); - } else { - _synctex_node_set_child(parent,ns.node); - } - child = ns.node; - _synctex_handle_set_tlc(x_handle, child,!form); - _synctex_make_hbox_contain_box(parent,_synctex_data_box(child)); -# if SYNCTEX_VERBOSE - synctex_node_log(child); -# endif - input.node = _synctex_input_register_line(input.node,child); - last_k = last_g = NULL; - goto content_loop; - } - } else if (SYNCTEX_START_SCAN(KERN)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN KERN -# endif - ns = _synctex_parse_new_kern(scanner); - continue_scan: - if (ns.status == SYNCTEX_STATUS_OK) { - if (child) { - _synctex_node_set_sibling(child,ns.node); - } else { - _synctex_node_set_child(parent,ns.node); - } - child = ns.node; - if (!form) { - __synctex_node_make_friend_tlc(child); - } - _synctex_handle_set_tlc(x_handle, child,!form); - _synctex_make_hbox_contain_box(parent,_synctex_data_xob(child)); -# if SYNCTEX_VERBOSE - synctex_node_log(child); -# endif - input.node = _synctex_input_register_line(input.node,child); - last_k = child; - last_g = NULL; - goto content_loop; - } - } else if (SYNCTEX_START_SCAN(GLUE)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN GLUE -# endif - ns = _synctex_parse_new_glue(scanner); - if (ns.status == SYNCTEX_STATUS_OK) { - if (child) { - _synctex_node_set_sibling(child,ns.node); - } else { - _synctex_node_set_child(parent,ns.node); - } - child = ns.node; - if (!form) { - __synctex_node_make_friend_tlc(child); - } - _synctex_handle_set_tlc(x_handle, child,!form); - _synctex_make_hbox_contain_point(parent,_synctex_data_point(child)); -# if SYNCTEX_VERBOSE - synctex_node_log(child); -# endif - input.node = _synctex_input_register_line(input.node,child); - if (last_k) { - last_g = child; - } else { - last_k = last_g = NULL; - } - goto content_loop; - } - } else if (SYNCTEX_START_SCAN(RULE)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN RULE -# endif - ns = _synctex_parse_new_rule(scanner); - if (ns.status == SYNCTEX_STATUS_OK) { - if (child) { - _synctex_node_set_sibling(child,ns.node); - } else { - _synctex_node_set_child(parent,ns.node); - } - child = ns.node; - if (!form) { - __synctex_node_make_friend_tlc(child); - } - _synctex_handle_set_tlc(x_handle, child,!form); - /* Rules are sometimes far too big -_synctex_make_hbox_contain_box(parent,_synctex_data_box(child)); - */ -# if SYNCTEX_VERBOSE - synctex_node_log(child); -# endif - input.node = _synctex_input_register_line(input.node,child); - last_k = last_g = NULL; - goto content_loop; - } - } else if (SYNCTEX_START_SCAN(MATH)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN MATH -# endif - ns = _synctex_parse_new_math(scanner); - if (ns.status == SYNCTEX_STATUS_OK) { - if (child) { - _synctex_node_set_sibling(child,ns.node); - } else { - _synctex_node_set_child(parent,ns.node); - } - child = ns.node; - if (!form) { - __synctex_node_make_friend_tlc(child); - } - _synctex_handle_set_tlc(x_handle, child,!form); - _synctex_make_hbox_contain_point(parent,_synctex_data_point(child)); -# if SYNCTEX_VERBOSE - synctex_node_log(child); -# endif - input.node = _synctex_input_register_line(input.node,child); - last_k = last_g = NULL; - goto content_loop; - } - } else if (SYNCTEX_START_SCAN(FORM_REF)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN FORM REF -# endif -#if SYNCTEX_DEBUG>500 - synctex_node_display(parent); - synctex_node_display(child); -#endif - ns = _synctex_parse_new_ref(scanner); - if (ns.status == SYNCTEX_STATUS_OK) { - if (child) { - _synctex_node_set_sibling(child,ns.node); - } else { - _synctex_node_set_child(parent,ns.node); - } - child = ns.node; - if (form) { - if (scanner->ref_in_form) { - synctex_tree_set_friend(child,scanner->ref_in_form); - } - scanner->ref_in_form = child; - } else { - if (scanner->ref_in_sheet) { - synctex_tree_set_friend(child,scanner->ref_in_sheet); - } - scanner->ref_in_sheet = child; - } -# if SYNCTEX_VERBOSE - synctex_node_log(child); -# endif - last_k = last_g = NULL; - goto content_loop; - } - } else if (SYNCTEX_START_SCAN(BOUNDARY)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN BOUNDARY -# endif - ns = _synctex_parse_new_boundary(scanner); - if (ns.status == SYNCTEX_STATUS_OK) { - if (child) { - _synctex_node_set_sibling(child,ns.node); - } else { - _synctex_node_set_child(parent,ns.node); - } - if (synctex_node_type(child)==synctex_node_type_box_bdry - || _synctex_tree_target(x_handle)) { - child = _synctex_tree_reset_child(x_handle); - child = _synctex_new_handle_with_child(child); - __synctex_tree_set_sibling(child, x_handle); - x_handle = child; - _synctex_tree_set_target(x_handle,ns.node); - } else if (!form) { - __synctex_node_make_friend_tlc(ns.node); - } - child = ns.node; - _synctex_make_hbox_contain_point(parent,_synctex_data_point(child)); -# if SYNCTEX_VERBOSE - synctex_node_log(child); -# endif - input.node = _synctex_input_register_line(input.node,child); - last_k = last_g = NULL; - goto content_loop; - } - } else if (SYNCTEX_START_SCAN(CHARACTER)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN CHARACTER -# endif - ++SYNCTEX_CUR; - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing end of container."); - SYNCTEX_RETURN(SYNCTEX_STATUS_ERROR); - } - last_k = last_g = NULL; - goto content_loop; - } else if (SYNCTEX_START_SCAN(ANCHOR)) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN ANCHOR -# endif - goto scan_anchor; - } else if (SYNCTEX_START_SCAN(END_SHEET)) { - if (sheet && parent == sheet) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN TEEHS -# endif - ++SYNCTEX_CUR; - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing anchor."); - } - parent = sheet = NULL; - goto main_loop; - } - } else if (SYNCTEX_START_SCAN(END_FORM)) { - if (parent == form && form_depth > 0) { -# ifdef SYNCTEX_NOTHING -# pragma mark + SCAN MROF -# endif - ++SYNCTEX_CUR; - --form_depth; - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK - && (form_depth || sheet)) { - _synctex_error("Missing end of container."); - SYNCTEX_RETURN(SYNCTEX_STATUS_ERROR); - } - if ((parent = _synctex_tree_parent(form))) { - _synctex_tree_reset_parent(form); - child = form; - form = parent; - goto content_loop; - } else if (sheet) { - form = NULL; - parent = sheet; - child = synctex_node_last_sibling(child); - goto content_loop; - } - goto main_loop; - } - } - _synctex_error("Ignored record <%.20s...>(line %i)\n",SYNCTEX_CUR, scanner->reader->line_number+1); - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Missing end of sheet/form."); - SYNCTEX_RETURN(SYNCTEX_STATUS_ERROR); - } - last_k = last_g = NULL; - goto content_loop; - } - zs = _synctex_buffer_get_available_size(scanner,1); - if (zs.size == 0){ - _synctex_error("Uncomplete synctex file, postamble missing."); - SYNCTEX_RETURN(SYNCTEX_STATUS_ERROR); - } - last_k = last_g = NULL; - goto content_loop; -} -#undef SYNCTEX_RETURN -/** - * Replace ref in its tree hierarchy by a single box - * proxy to the contents of the associated form. - * - argument ref: a ref node with no friend - * - return the proxy created. - * - note: Does nothing if ref is not owned. - * - note: On return, ref will have no parent nor sibling. - * The caller is responsible for releasing ref. - * - note: this is where root proxies are created. - * - note: the target of the root proxy is the content - * of a form. - */ -SYNCTEX_INLINE static synctex_ns_s __synctex_replace_ref(synctex_node_p ref) { - synctex_ns_s ns = {NULL,SYNCTEX_STATUS_OK}; - synctex_node_p parent; - if ((parent = _synctex_tree_parent(ref))) { - synctex_node_p sibling = __synctex_tree_reset_sibling(ref); - synctex_node_p arg_sibling = synctex_node_arg_sibling(ref); - /* arg_sibling != NULL because the child of a box - * is always a box boundary, not a ref. */ - synctex_node_p target = synctex_form_content(ref->class_->scanner, _synctex_data_tag(ref)); - /* The target is a single node (box) - * with children and no siblings. */ - if ((ns.node = __synctex_new_proxy_from_ref_to(ref, target))) { - /* Insert this proxy instead of ref. */ - _synctex_node_set_sibling(arg_sibling,ns.node); - /* Then append the original sibling of ref. */ - _synctex_node_set_sibling(ns.node,sibling); -# if defined(SYNCTEX_USE_CHARINDEX) - if (synctex_node_type(sibling) == synctex_node_type_box_bdry) { - /* The sibling is the last box boundary - * which may have a less accurate information */ - sibling->char_index = arg_sibling->char_index; - sibling->line_index = arg_sibling->line_index; - } -#endif -#if SYNCTEX_DEBUG>500 - printf("! Ref replacement:\n"); - synctex_node_log(ref); - synctex_node_display(synctex_node_sibling(ref)); -#endif - } else /* simply remove ref */ { - _synctex_tree_set_sibling(arg_sibling,sibling); - } - __synctex_tree_reset_parent(ref); - } else { - _synctex_error("! Missing parent in __synctex_replace_ref. " - "Please report."); - ns.status = SYNCTEX_STATUS_BAD_ARGUMENT; - } - return ns; -} -/** - * - argument ref: is the starting point of a linked list - * of refs. The link is made through the friend field. - * - returns: the status and the list of all the proxies - * created. The link is made through the friend field. - * - note: All refs are freed - */ -SYNCTEX_INLINE static synctex_ns_s _synctex_post_process_ref(synctex_node_p ref) { - synctex_ns_s ns = {NULL, SYNCTEX_STATUS_OK}; - while (ref) { - synctex_node_p next_ref = _synctex_tree_reset_friend(ref); - synctex_ns_s sub_ns = __synctex_replace_ref(ref); - if (sub_ns.status < ns.status) { - ns.status = sub_ns.status; - } else { - /* Insert all the created proxies in the list - * sub_ns.node is the last friend, - */ - synctex_tree_set_friend(sub_ns.node,ns.node); - ns.node = sub_ns.node; - } - synctex_node_free(ref); - ref = next_ref; - } - return ns; -} -typedef synctex_node_p (* synctex_processor_f)(synctex_node_p node); -/** - * Apply the processor f to the tree hierarchy rooted at proxy. - * proxy has replaced a form ref, no children yet. - * As a side effect all the hierarchy of nodes will be created. - */ -SYNCTEX_INLINE static synctex_status_t _synctex_post_process_proxy(synctex_node_p proxy, synctex_processor_f f) { - while(proxy) { - synctex_node_p next_proxy = _synctex_tree_friend(proxy); - synctex_node_p halt = __synctex_tree_sibling(proxy); - /* if proxy is the last sibling, halt is NULL. - * Find what should be a next node, - * without creating new nodes. */ - if (!halt) { - synctex_node_p parent = _synctex_tree_parent(proxy); - halt = __synctex_tree_sibling(parent); - while (!halt && parent) { - parent = _synctex_tree_parent(parent); - halt = __synctex_tree_sibling(parent); - } - } - do { -#if SYNCTEX_DEBUG>500 - printf("POST PROCESSING %s\n",_synctex_node_abstract(proxy)); - { - int i,j = 0; - for (i=0;i<proxy->class_->scanner->number_of_lists;++i) { - synctex_node_p N = proxy->class_->scanner->lists_of_friends[i]; - do { - if (N==proxy) { - ++j; - printf("%s",_synctex_node_abstract(N)); - } - } while ((N = _synctex_tree_friend(N))); - } - if (j) { - printf("\nBeforehand %i match\n",j); - } - } -#endif - f(proxy); -#if SYNCTEX_DEBUG>500 - { - int i,j = 0; - for (i=0;i<proxy->class_->scanner->number_of_lists;++i) { - synctex_node_p N = proxy->class_->scanner->lists_of_friends[i]; - do { - if (N==proxy) { - ++j; - printf("%s",_synctex_node_abstract(N)); - } - } while ((N = _synctex_tree_friend(N))); - } - if (j) { - printf("\n%i match\n",j); - } - } -#endif - /* Side effect: create the hierarchy on the fly */ - proxy = synctex_node_next(proxy); /* Change is here */ -#if SYNCTEX_DEBUG>500 - if (proxy) { - int i,j = 0; - for (i=0;i<proxy->class_->scanner->number_of_lists;++i) { - synctex_node_p N = proxy->class_->scanner->lists_of_friends[i]; - do { - if (N==proxy) { - ++j; - printf("%s",_synctex_node_abstract(N)); - } - } while ((N = _synctex_tree_friend(N))); - } - if (j) { - printf("\nnext %i match\n",j); - } - } -#endif - } while (proxy && proxy != halt); - proxy = next_proxy; - } - return SYNCTEX_STATUS_OK; -} -/** - * Replace all the form refs by root box proxies. - * Create the node hierarchy and update the friends. - * On entry, the refs are collected as a friend list - * in either a form or a sheet - * - parameter: the owning scanner - */ -SYNCTEX_INLINE static synctex_status_t _synctex_post_process(synctex_scanner_p scanner) { - synctex_status_t status = SYNCTEX_STATUS_OK; - synctex_ns_s ns = {NULL,SYNCTEX_STATUS_NOT_OK}; -#if SYNCTEX_DEBUG>500 - printf("! entering _synctex_post_process.\n"); - synctex_node_display(scanner->sheet); - synctex_node_display(scanner->form); -#endif - /* replace form refs inside forms by box proxies */ - ns = _synctex_post_process_ref(scanner->ref_in_form); - scanner->ref_in_form = NULL;/* it was just released */ - if (ns.status<status) { - status = ns.status; - } -#if SYNCTEX_DEBUG>500 - printf("! ref replaced in form _synctex_post_process.\n"); - synctex_node_display(scanner->form); -#endif - /* Create all the form proxy nodes on the fly. - * ns.node is the root of the list of - * newly created proxies. - * There might be a problem with cascading proxies. - * In order to be properly managed, the data must - * be organized in the right way. - * The inserted form must be defined before - * the inserting one. *TeX will take care of that. */ - ns.status = _synctex_post_process_proxy(ns.node,&_synctex_tree_reset_friend); - if (ns.status<status) { - status = ns.status; - } - /* replace form refs inside sheets by box proxies */ - ns = _synctex_post_process_ref(scanner->ref_in_sheet); - if (ns.status<status) { - status = ns.status; - } - scanner->ref_in_sheet = NULL; -#if SYNCTEX_DEBUG>500 - printf("! ref replaced in sheet _synctex_post_process.\n"); - synctex_node_display(scanner->sheet); -#endif -#if 0 - { - int i; - for (i=0;i<scanner->number_of_lists;++i) { - synctex_node_p P = ns.node; - do { - synctex_node_p N = scanner->lists_of_friends[i]; - do { - if (P == N) { - printf("Already registered.\n"); - synctex_node_display(N); - break; - } - } while ((N = _synctex_tree_friend(N))); - } while((P = _synctex_tree_friend(P))); - } - } -#endif -#if SYNCTEX_DEBUG>10000 - { - int i; - for (i=0;i<scanner->number_of_lists;++i) { - synctex_node_p P = scanner->lists_of_friends[i]; - int j = 0; - while (P) { - ++j; - synctex_node_log(P); - P = _synctex_tree_friend(P); - } - if (j) { - printf("friends %i -> # %i\n",i,j); - } - } - } -#endif - ns.status = _synctex_post_process_proxy(ns.node,&__synctex_proxy_make_friend_and_next_hbox); - if (ns.status<status) { - status = ns.status; - } -#if SYNCTEX_DEBUG>500 - printf("! exiting _synctex_post_process.\n"); - synctex_node_display(scanner->sheet); - synctex_node_display(scanner->form); - printf("! display all.\n"); - synctex_node_display(scanner->sheet); - synctex_node_display(scanner->form); -#endif - return status; -} -/* Used when parsing the synctex file - */ -static synctex_status_t _synctex_scan_content(synctex_scanner_p scanner) { - scanner->reader->lastv = -1; - synctex_status_t status = 0; - if (NULL == scanner) { - return SYNCTEX_STATUS_BAD_ARGUMENT; - } - /* Find where this section starts */ -content_not_found: - status = _synctex_match_string(scanner,"Content:"); - if (status<SYNCTEX_STATUS_EOF) { - return status; - } - if (_synctex_next_line(scanner)<SYNCTEX_STATUS_OK) { - _synctex_error("Uncomplete Content."); - return SYNCTEX_STATUS_ERROR; - } - if (status == SYNCTEX_STATUS_NOT_OK) { - goto content_not_found; - } - status = __synctex_parse_sfi(scanner); - if (status == SYNCTEX_STATUS_OK) { - status = _synctex_post_process(scanner); - } - return status; -} -synctex_scanner_p synctex_scanner_new() { - synctex_scanner_p scanner =(synctex_scanner_p)_synctex_malloc(sizeof(synctex_scanner_s)); - if (scanner) { - if (!(scanner->reader = _synctex_malloc(sizeof(synctex_reader_s)))) { - _synctex_free(scanner); - return NULL; - } -# ifdef SYNCTEX_NOTHING -# pragma mark - -# endif -# define DEFINE_synctex_scanner_class(NAME)\ - scanner->class_[synctex_node_type_##NAME] = synctex_class_##NAME;\ -(scanner->class_[synctex_node_type_##NAME]).scanner = scanner - DEFINE_synctex_scanner_class(input); - DEFINE_synctex_scanner_class(sheet); - DEFINE_synctex_scanner_class(form); - DEFINE_synctex_scanner_class(hbox); - DEFINE_synctex_scanner_class(void_hbox); - DEFINE_synctex_scanner_class(vbox); - DEFINE_synctex_scanner_class(void_vbox); - DEFINE_synctex_scanner_class(kern); - DEFINE_synctex_scanner_class(glue); - DEFINE_synctex_scanner_class(rule); - DEFINE_synctex_scanner_class(math); - DEFINE_synctex_scanner_class(boundary); - DEFINE_synctex_scanner_class(box_bdry); - DEFINE_synctex_scanner_class(ref); - DEFINE_synctex_scanner_class(proxy_hbox); - DEFINE_synctex_scanner_class(proxy_vbox); - DEFINE_synctex_scanner_class(proxy); - DEFINE_synctex_scanner_class(proxy_last); - DEFINE_synctex_scanner_class(handle); - /* set up the lists of friends */ - scanner->number_of_lists = 1024; - scanner->lists_of_friends = (synctex_node_r)_synctex_malloc(scanner->number_of_lists*sizeof(synctex_node_p)); - if (NULL == scanner->lists_of_friends) { - synctex_scanner_free(scanner); - _synctex_error("malloc:2"); - return NULL; - } - scanner->display_switcher = 100; - scanner->display_prompt = (char *)_synctex_display_prompt+strlen(_synctex_display_prompt)-1; - } - return scanner; -} -/* Where the synctex scanner is created. */ -synctex_scanner_p synctex_scanner_new_with_output_file(const char * output, const char * build_directory, int parse) { - synctex_scanner_p scanner = synctex_scanner_new(); - if (NULL == scanner) { - _synctex_error("malloc problem"); - return NULL; - } - if ((scanner->reader = synctex_reader_init_with_output_file(scanner->reader, output, build_directory))) { - return parse? synctex_scanner_parse(scanner):scanner; - } -/* - _synctex_error("No file?"); -*/ - return NULL; -} - -/* The scanner destructor - */ -int synctex_scanner_free(synctex_scanner_p scanner) { - int node_count = 0; - if (scanner) { - if (SYNCTEX_FILE) { - gzclose(SYNCTEX_FILE); - SYNCTEX_FILE = NULL; - } - synctex_node_free(scanner->sheet); - synctex_node_free(scanner->form); - synctex_node_free(scanner->input); - synctex_reader_free(scanner->reader); - SYNCTEX_SCANNER_FREE_HANDLE(scanner); - synctex_iterator_free(scanner->iterator); - free(scanner->output_fmt); - free(scanner->lists_of_friends); -#if SYNCTEX_USE_NODE_COUNT>0 - node_count = scanner->node_count; -#endif - free(scanner); - } - return node_count; -} - -/* Where the synctex scanner parses the contents of the file. */ -synctex_scanner_p synctex_scanner_parse(synctex_scanner_p scanner) { - synctex_status_t status = 0; - if (!scanner || scanner->flags.has_parsed) { - return scanner; - } - scanner->flags.has_parsed=1; - scanner->pre_magnification = 1000; - scanner->pre_unit = 8192; - scanner->pre_x_offset = scanner->pre_y_offset = 578; - /* initialize the offset with a fake unprobable value, - * If there is a post scriptum section, this value will be overriden by the real life value */ - scanner->x_offset = scanner->y_offset = 6.027e23f; - scanner->reader->line_number = 1; - - SYNCTEX_START = (char *)malloc(SYNCTEX_BUFFER_SIZE+1); /* one more character for null termination */ - if (NULL == SYNCTEX_START) { - _synctex_error("! malloc error in synctex_scanner_parse."); - bailey: -#ifdef SYNCTEX_DEBUG - return scanner; -#else - synctex_scanner_free(scanner); - return NULL; -#endif - } - synctex_scanner_set_display_switcher(scanner, 1000); - SYNCTEX_END = SYNCTEX_START+SYNCTEX_BUFFER_SIZE; - /* SYNCTEX_END always points to a null terminating character. - * Maybe there is another null terminating character between SYNCTEX_CUR and SYNCTEX_END-1. - * At least, we are sure that SYNCTEX_CUR points to a string covering a valid part of the memory. */ - *SYNCTEX_END = '\0'; - SYNCTEX_CUR = SYNCTEX_END; -# if defined(SYNCTEX_USE_CHARINDEX) - scanner->reader->charindex_offset = -SYNCTEX_BUFFER_SIZE; -# endif - status = _synctex_scan_preamble(scanner); - if (status<SYNCTEX_STATUS_OK) { - _synctex_error("Bad preamble\n"); - goto bailey; - } - status = _synctex_scan_content(scanner); - if (status<SYNCTEX_STATUS_OK) { - _synctex_error("Bad content\n"); - goto bailey; - } - status = _synctex_scan_postamble(scanner); - if (status<SYNCTEX_STATUS_OK) { - _synctex_error("Bad postamble. Ignored\n"); - } -#if SYNCTEX_DEBUG>500 - synctex_scanner_set_display_switcher(scanner, 100); - synctex_node_display(scanner->sheet); - synctex_node_display(scanner->form); -#endif - synctex_scanner_set_display_switcher(scanner, 1000); - /* Everything is finished, free the buffer, close the file */ - free((void *)SYNCTEX_START); - SYNCTEX_START = SYNCTEX_CUR = SYNCTEX_END = NULL; - gzclose(SYNCTEX_FILE); - SYNCTEX_FILE = NULL; - /* Final tuning: set the default values for various parameters */ - /* 1 pre_unit = (scanner->pre_unit)/65536 pt = (scanner->pre_unit)/65781.76 bp - * 1 pt = 65536 sp */ - if (scanner->pre_unit<=0) { - scanner->pre_unit = 8192; - } - if (scanner->pre_magnification<=0) { - scanner->pre_magnification = 1000; - } - if (scanner->unit <= 0) { - /* no post magnification */ - scanner->unit = scanner->pre_unit / 65781.76;/* 65781.76 or 65536.0*/ - } else { - /* post magnification */ - scanner->unit *= scanner->pre_unit / 65781.76; - } - scanner->unit *= scanner->pre_magnification / 1000.0; - if (scanner->x_offset > 6e23) { - /* no post offset */ - scanner->x_offset = scanner->pre_x_offset * (scanner->pre_unit / 65781.76); - scanner->y_offset = scanner->pre_y_offset * (scanner->pre_unit / 65781.76); - } else { - /* post offset */ - scanner->x_offset /= 65781.76f; - scanner->y_offset /= 65781.76f; - } - return scanner; -#undef SYNCTEX_FILE -} - -/* Scanner accessors. - */ -int synctex_scanner_pre_x_offset(synctex_scanner_p scanner){ - return scanner?scanner->pre_x_offset:0; -} -int synctex_scanner_pre_y_offset(synctex_scanner_p scanner){ - return scanner?scanner->pre_y_offset:0; -} -int synctex_scanner_x_offset(synctex_scanner_p scanner){ - return scanner?scanner->x_offset:0; -} -int synctex_scanner_y_offset(synctex_scanner_p scanner){ - return scanner?scanner->y_offset:0; -} -float synctex_scanner_magnification(synctex_scanner_p scanner){ - return scanner?scanner->unit:1; -} -void synctex_scanner_display(synctex_scanner_p scanner) { - if (NULL == scanner) { - return; - } - printf("The scanner:\noutput:%s\noutput_fmt:%s\nversion:%i\n",scanner->reader->output,scanner->output_fmt,scanner->version); - printf("pre_unit:%i\nx_offset:%i\ny_offset:%i\n",scanner->pre_unit,scanner->pre_x_offset,scanner->pre_y_offset); - printf("count:%i\npost_magnification:%f\npost_x_offset:%f\npost_y_offset:%f\n", - scanner->count,scanner->unit,scanner->x_offset,scanner->y_offset); - printf("The input:\n"); - synctex_node_display(scanner->input); - if (scanner->count<1000) { - printf("The sheets:\n"); - synctex_node_display(scanner->sheet); - printf("The friends:\n"); - if (scanner->lists_of_friends) { - int i = scanner->number_of_lists; - synctex_node_p node; - while(i--) { - printf("Friend index:%i\n",i); - node = (scanner->lists_of_friends)[i]; - while(node) { - printf("%s:%i,%i\n", - synctex_node_isa(node), - _synctex_data_tag(node), - _synctex_data_line(node) - ); - node = _synctex_tree_friend(node); - } - } - } - } else { - printf("SyncTeX Warning: Too many objects\n"); - } -} -/* Public */ -const char * synctex_scanner_get_name(synctex_scanner_p scanner,int tag) { - synctex_node_p input = NULL; - if (NULL == scanner) { - return NULL; - } - if ((input = scanner->input)) {; - do { - if (tag == _synctex_data_tag(input)) { - return (_synctex_data_name(input)); - } - } while((input = __synctex_tree_sibling(input))); - } - return NULL; -} -const char * synctex_node_get_name(synctex_node_p node) { - if (node) { - return synctex_scanner_get_name(node->class_->scanner,_synctex_data_tag(node)); - } - return NULL; -} - -static int _synctex_scanner_get_tag(synctex_scanner_p scanner,const char * name); -static int _synctex_scanner_get_tag(synctex_scanner_p scanner,const char * name) { - synctex_node_p input = NULL; - if (NULL == scanner) { - return 0; - } - if ((input = scanner->input)) { - do { - if (_synctex_is_equivalent_file_name(name,(_synctex_data_name(input)))) { - return _synctex_data_tag(input); - } - } while((input = __synctex_tree_sibling(input))); - } - // 2011 version - name = _synctex_base_name(name); - if ((input = scanner->input)) { - do { - if (_synctex_is_equivalent_file_name(name,_synctex_base_name(_synctex_data_name(input)))) { - synctex_node_p other_input = input; - while((other_input = __synctex_tree_sibling(other_input))) { - if (_synctex_is_equivalent_file_name(name,_synctex_base_name(_synctex_data_name(other_input))) - && (strlen(_synctex_data_name(input))!=strlen(_synctex_data_name(other_input)) - || strncmp(_synctex_data_name(other_input),_synctex_data_name(input),strlen(_synctex_data_name(input))))) { - // There is a second possible candidate - return 0; - } - } - return _synctex_data_tag(input); - } - } while((input = __synctex_tree_sibling(input))); - } - return 0; -} - -int synctex_scanner_get_tag(synctex_scanner_p scanner,const char * name) { - size_t char_index = strlen(name); - if ((scanner = synctex_scanner_parse(scanner)) && (0 < char_index)) { - /* the name is not void */ - char_index -= 1; - if (!SYNCTEX_IS_PATH_SEPARATOR(name[char_index])) { - /* the last character of name is not a path separator */ - int result = _synctex_scanner_get_tag(scanner,name); - if (result) { - return result; - } else { - /* the given name was not the one known by TeX - * try a name relative to the enclosing directory of the scanner->output file */ - const char * relative = name; - const char * ptr = scanner->reader->output; - while((strlen(relative) > 0) && (strlen(ptr) > 0) && (*relative == *ptr)) - { - relative += 1; - ptr += 1; - } - /* Find the last path separator before relative */ - while(relative > name) { - if (SYNCTEX_IS_PATH_SEPARATOR(*(relative-1))) { - break; - } - relative -= 1; - } - if ((relative > name) && (result = _synctex_scanner_get_tag(scanner,relative))) { - return result; - } - if (SYNCTEX_IS_PATH_SEPARATOR(name[0])) { - /* No tag found for the given absolute name, - * Try each relative path starting from the shortest one */ - while(0<char_index) { - char_index -= 1; - if (SYNCTEX_IS_PATH_SEPARATOR(name[char_index]) - && (result = _synctex_scanner_get_tag(scanner,name+char_index+1))) { - return result; - } - } - } - } - return result; - } - } - return 0; -} -synctex_node_p synctex_scanner_input(synctex_scanner_p scanner) { - return scanner?scanner->input:NULL; -} -synctex_node_p synctex_scanner_input_with_tag(synctex_scanner_p scanner, int tag) { - synctex_node_p input = scanner?scanner->input:NULL; - while (_synctex_data_tag(input)!=tag) { - if ((input = __synctex_tree_sibling(input))) { - continue; - } - break; - } - return input; -} -const char * synctex_scanner_get_output_fmt(synctex_scanner_p scanner) { - return NULL != scanner && scanner->output_fmt?scanner->output_fmt:""; -} -const char * synctex_scanner_get_output(synctex_scanner_p scanner) { - return NULL != scanner && scanner->reader->output?scanner->reader->output:""; -} -const char * synctex_scanner_get_synctex(synctex_scanner_p scanner) { - return NULL != scanner && scanner->reader->synctex?scanner->reader->synctex:""; -} -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark Public node attributes -# endif - -# define SYNCTEX_DEFINE_NODE_HVWHD(WHAT) \ -int synctex_node_##WHAT(synctex_node_p node) { \ - return (node && node->class_->inspector->WHAT)? \ - node->class_->inspector->WHAT(node): 0; \ -} -# define SYNCTEX_DEFINE_PROXY_HV(WHAT) \ -static int _synctex_proxy_##WHAT(synctex_proxy_p proxy) { \ - synctex_node_p target = _synctex_tree_target(proxy); \ - if (target) { \ - return _synctex_data_##WHAT(proxy)+synctex_node_##WHAT(target); \ - } else { \ - return proxy? _synctex_data_##WHAT(proxy): 0; \ - } \ -} -#define SYNCTEX_DEFINE_PROXY_TLCWVD(WHAT) \ -static int _synctex_proxy_##WHAT(synctex_proxy_p proxy) { \ - synctex_node_p target = _synctex_tree_target(proxy); \ - return target? synctex_node_##WHAT(target): 0; \ -} - -/** - * The horizontal location of the node. - * Idem for v, width, height and depth. - * - parameter node: a node with geometrical information. - * - returns: an integer. - * - requires: every proxy node has a target. - * - note: recursive call if the parameter has a proxy. - * - author: JL - */ -SYNCTEX_DEFINE_NODE_HVWHD(h) -SYNCTEX_DEFINE_NODE_HVWHD(v) -SYNCTEX_DEFINE_NODE_HVWHD(width) -SYNCTEX_DEFINE_NODE_HVWHD(height) -SYNCTEX_DEFINE_NODE_HVWHD(depth) -SYNCTEX_DEFINE_PROXY_TLCWVD(tag) -SYNCTEX_DEFINE_PROXY_TLCWVD(line) -SYNCTEX_DEFINE_PROXY_TLCWVD(column) -SYNCTEX_DEFINE_PROXY_HV(h) -SYNCTEX_DEFINE_PROXY_HV(v) -SYNCTEX_DEFINE_PROXY_TLCWVD(width) -SYNCTEX_DEFINE_PROXY_TLCWVD(height) -SYNCTEX_DEFINE_PROXY_TLCWVD(depth) - -/** - * Whether the argument is a box, - * either vertical or horizontal, - * either void or not, - * or a proxy to such a box. - * - parameter NODE: of type synctex_node_p - * - returns: yorn - */ - -SYNCTEX_INLINE static synctex_bool_t _synctex_node_is_box(synctex_node_p node) { - return node && - (node->class_->type == synctex_node_type_hbox - || node->class_->type == synctex_node_type_void_hbox - || node->class_->type == synctex_node_type_vbox - || node->class_->type == synctex_node_type_void_vbox - || _synctex_node_is_box(_synctex_tree_target(node))); -} - -/** - * Whether the argument is a handle. - * Handles are similar to proxies because they have a target. - * They are used for query results. - * - parameter NODE: of type synctex_node_p - * - returns: yorn - */ - -SYNCTEX_INLINE static synctex_bool_t _synctex_node_is_handle(synctex_node_p node) { - return node && - (node->class_->type == synctex_node_type_handle); -} - -/** - * Resolves handle indirection. - * - parameter node: of type synctex_node_p - * - returns: node if it is not a handle, - * its target otherwise. - */ - -SYNCTEX_INLINE static synctex_node_p _synctex_node_or_handle_target(synctex_node_p node) { - return _synctex_node_is_handle(node)? - _synctex_tree_target(node):node; -} - -/** - * Whether the argument is an hbox. - * - parameter NODE: of type synctex_node_p - * - returns: yorn - */ - -SYNCTEX_INLINE static synctex_bool_t _synctex_node_is_hbox(synctex_node_p node) { - return node && - (node->class_->type == synctex_node_type_hbox - || node->class_->type == synctex_node_type_void_hbox - || _synctex_node_is_hbox(_synctex_tree_target(node))); -} - -/** - * The horizontal location of the first box enclosing node. - * - parameter node: a node with geometrical information. - * - returns: an integer. - * - author: JL - */ -int synctex_node_box_h(synctex_node_p node) { - if (_synctex_node_is_box(node) || (node = _synctex_tree_parent(node))) { - return synctex_node_h(node); - } - return 0; -} -/** - * The vertical location of the first box enclosing node. - * - parameter node: a node with geometrical information. - * - returns: an integer. - * - author: JL - */ -int synctex_node_box_v(synctex_node_p node) { - if (_synctex_node_is_box(node) || (node = _synctex_tree_parent(node))) { - return synctex_node_v(node); - } - return 0; -} -/** - * The width of the first box enclosing node. - * - parameter node: a node with geometrical information. - * - returns: an integer. - * - author: JL - */ -int synctex_node_box_width(synctex_node_p node) { - if (_synctex_node_is_box(node) || (node = _synctex_tree_parent(node))) { - return synctex_node_width(node); - } - return 0; -} -/** - * The height of the first box enclosing node. - * - parameter node: a node with geometrical information. - * - returns: an integer. - * - author: JL - */ -int synctex_node_box_height(synctex_node_p node) { - if (_synctex_node_is_box(node) || (node = _synctex_tree_parent(node))) { - return synctex_node_height(node); - } - return 0; -} -/** - * The depth of the first box enclosing node. - * - parameter node: a node with geometrical information. - * - returns: an integer. - * - author: JL - */ -int synctex_node_box_depth(synctex_node_p node) { - if (_synctex_node_is_box(node) || (node = _synctex_tree_parent(node))) { - return synctex_node_depth(node); - } - return 0; -} -/** - * The horizontal location of an hbox, corrected with contents. - * - parameter node: an hbox node. - * - returns: an integer, 0 if node is not an hbox or an hbox proxy. - * - note: recursive call when node is an hbox proxy. - * - author: JL - */ -int synctex_node_hbox_h(synctex_node_p node) { - switch(synctex_node_type(node)) { - case synctex_node_type_hbox: - return _synctex_data_h_V(node); - case synctex_node_type_proxy_hbox: - return _synctex_data_h(node)+synctex_node_hbox_h(_synctex_tree_target(node)); - default: - return 0; - } -} -/** - * The vertical location of an hbox, corrected with contents. - * - parameter node: an hbox node. - * - returns: an integer, 0 if node is not an hbox or an hbox proxy. - * - note: recursive call when node is an hbox proxy. - * - author: JL - */ -int synctex_node_hbox_v(synctex_node_p node) { - switch(synctex_node_type(node)) { - case synctex_node_type_hbox: - return _synctex_data_v_V(node); - case synctex_node_type_proxy_hbox: - return _synctex_data_v(node)+synctex_node_hbox_v(_synctex_tree_target(node)); - default: - return 0; - } -} -/** - * The width of an hbox, corrected with contents. - * - parameter node: an hbox node, 0 if node is not an hbox or an hbox proxy. - * - returns: an integer. - * - author: JL - */ -int synctex_node_hbox_width(synctex_node_p node) { - synctex_node_p target = _synctex_tree_target(node); - if (target) { - node = target; - } - return synctex_node_type(node) == synctex_node_type_hbox? - _synctex_data_width_V(node): 0; -} -/** - * The height of an hbox, corrected with contents. - * - parameter node: an hbox node. - * - returns: an integer, 0 if node is not an hbox or an hbox proxy. - * - author: JL - */ -int synctex_node_hbox_height(synctex_node_p node) { - synctex_node_p target = _synctex_tree_target(node); - if (target) { - node = target; - } - return synctex_node_type(node) == synctex_node_type_hbox? - _synctex_data_height_V(node): 0; -} -/** - * The depth of an hbox, corrected with contents. - * - parameter node: an hbox node. - * - returns: an integer, 0 if node is not an hbox or an hbox proxy. - * - note: recursive call when node is an hbox proxy. - * - author: JL - */ -int synctex_node_hbox_depth(synctex_node_p node) { - synctex_node_p target = _synctex_tree_target(node); - if (target) { - node = target; - } - return synctex_node_type(node) == synctex_node_type_hbox? - _synctex_data_depth_V(node): 0; -} -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark Public node visible attributes -# endif - -#define SYNCTEX_VISIBLE_SIZE(node,s) \ -(s)*node->class_->scanner->unit -#define SYNCTEX_VISIBLE_DISTANCE_h(node,d) \ -((d)*node->class_->scanner->unit+node->class_->scanner->x_offset) -#define SYNCTEX_VISIBLE_DISTANCE_v(node,d) \ -((d)*node->class_->scanner->unit+node->class_->scanner->y_offset) -static float __synctex_node_visible_h(synctex_node_p node) { - return SYNCTEX_VISIBLE_DISTANCE_h(node,synctex_node_h(node)); -} -static float __synctex_node_visible_v(synctex_node_p node) { - return SYNCTEX_VISIBLE_DISTANCE_v(node,synctex_node_v(node)); -} -static float __synctex_node_visible_width(synctex_node_p node) { - return SYNCTEX_VISIBLE_SIZE(node,synctex_node_width(node)); -} -static float __synctex_node_visible_height(synctex_node_p node) { - return SYNCTEX_VISIBLE_SIZE(node,synctex_node_height(node)); -} -static float __synctex_node_visible_depth(synctex_node_p node) { - return SYNCTEX_VISIBLE_SIZE(node,synctex_node_depth(node)); -} -static float __synctex_proxy_visible_h(synctex_node_p node) { - return SYNCTEX_VISIBLE_DISTANCE_h(node,synctex_node_h(node)); -} -static float __synctex_proxy_visible_v(synctex_node_p node) { - return SYNCTEX_VISIBLE_DISTANCE_v(node,synctex_node_v(node)); -} -static float __synctex_proxy_visible_width(synctex_node_p node) { - synctex_node_p target = _synctex_tree_target(node); - return __synctex_node_visible_width(target); -} -static float __synctex_proxy_visible_height(synctex_node_p node) { - synctex_node_p target = _synctex_tree_target(node); - return __synctex_node_visible_height(target); -} -static float __synctex_proxy_visible_depth(synctex_node_p node) { - synctex_node_p target = _synctex_tree_target(node); - return __synctex_node_visible_depth(target); -} -static float __synctex_kern_visible_h(synctex_noxy_p noxy) { - int h = _synctex_data_h(noxy); - int width = _synctex_data_width(noxy); - return SYNCTEX_VISIBLE_DISTANCE_h(noxy, width>0?h-width:h); -} -static float __synctex_kern_visible_width(synctex_noxy_p noxy) { - int width = _synctex_data_width(noxy); - return SYNCTEX_VISIBLE_SIZE(noxy, width>0?width:-width); -} -static float __synctex_rule_visible_h(synctex_noxy_p noxy) { - int h = _synctex_data_h(noxy); - int width = _synctex_data_width(noxy); - return SYNCTEX_VISIBLE_DISTANCE_h(noxy, width>0?h:h-width); -} -static float __synctex_rule_visible_width(synctex_noxy_p noxy) { - int width = _synctex_data_width(noxy); - return SYNCTEX_VISIBLE_SIZE(noxy, width>0?width:-width); -} -static float __synctex_rule_visible_v(synctex_noxy_p noxy) { - return __synctex_node_visible_v(noxy); -} -static float __synctex_rule_visible_height(synctex_noxy_p noxy) { - return __synctex_node_visible_height(noxy); -} -static float __synctex_rule_visible_depth(synctex_noxy_p noxy) { - return __synctex_node_visible_depth(noxy); -} - -/** - * The horizontal location of node, in page coordinates. - * - parameter node: a node. - * - returns: a float. - * - author: JL - */ -float synctex_node_visible_h(synctex_node_p node){ - return node? node->class_->vispector->h(node): 0; -} -/** - * The vertical location of node, in page coordinates. - * - parameter node: a node. - * - returns: a float. - * - author: JL - */ -float synctex_node_visible_v(synctex_node_p node){ - return node? node->class_->vispector->v(node): 0; -} -/** - * The width of node, in page coordinates. - * - parameter node: a node. - * - returns: a float. - * - author: JL - */ -float synctex_node_visible_width(synctex_node_p node){ - return node? node->class_->vispector->width(node): 0; -} -/** - * The height of node, in page coordinates. - * - parameter node: a node. - * - returns: a float. - * - author: JL - */ -float synctex_node_visible_height(synctex_node_p node){ - return node? node->class_->vispector->height(node): 0; -} -/** - * The depth of node, in page coordinates. - * - parameter node: a node. - * - returns: a float. - * - author: JL - */ -float synctex_node_visible_depth(synctex_node_p node){ - return node? node->class_->vispector->depth(node): 0; -} - -/** - * The V variant of geometrical information. - * - parameter node: a node. - * - returns: an integer. - * - author: JL - */ -#define SYNCTEX_DEFINE_V(WHAT)\ -SYNCTEX_INLINE static int _synctex_node_##WHAT##_V(synctex_node_p node) { \ - synctex_node_p target = _synctex_tree_target(node); \ - if (target) { \ - return _synctex_data_##WHAT(node)+_synctex_node_##WHAT##_V(target); \ - } else if (_synctex_data_has_##WHAT##_V(node)) { \ - return _synctex_data_##WHAT##_V(node); \ - } else { \ - return _synctex_data_##WHAT(node); \ - } \ -} -SYNCTEX_DEFINE_V(h) -SYNCTEX_DEFINE_V(v) -SYNCTEX_DEFINE_V(width) -SYNCTEX_DEFINE_V(height) -SYNCTEX_DEFINE_V(depth) - -SYNCTEX_INLINE static synctex_point_s _synctex_data_point(synctex_node_p node) { - return (synctex_point_s){synctex_node_h(node),synctex_node_v(node)}; -} -SYNCTEX_INLINE static synctex_point_s _synctex_data_point_V(synctex_node_p node) { - return (synctex_point_s){_synctex_node_h_V(node),_synctex_node_v_V(node)}; -} -SYNCTEX_INLINE static synctex_point_s _synctex_data_set_point(synctex_node_p node, synctex_point_s point) { - synctex_point_s old = _synctex_data_point(node); - _synctex_data_set_h(node,point.h); - _synctex_data_set_v(node,point.v); - return old; -} -SYNCTEX_INLINE static synctex_box_s _synctex_data_box(synctex_node_p node) { - synctex_box_s box = {{0,0},{0,0}}; - int n; - n = synctex_node_width(node); - if (n<0) { - box.max.h = synctex_node_h(node); - box.min.h = box.max.h + n; - } else { - box.min.h = synctex_node_h(node); - box.max.h = box.min.h + n; - } - n = synctex_node_v(node); - box.min.v = n - synctex_node_height(node); - box.max.v = n + synctex_node_depth(node); - return box; -} -SYNCTEX_INLINE static synctex_box_s _synctex_data_xob(synctex_node_p node) { - synctex_box_s box = {{0,0},{0,0}}; - int n; - n = synctex_node_width(node); - if (n>0) { - box.max.h = synctex_node_h(node); - box.min.h = box.max.h - n; - } else { - box.min.h = synctex_node_h(node); - box.max.h = box.min.h - n; - } - n = synctex_node_v(node); - box.min.v = n - synctex_node_height(node); - box.max.v = n + synctex_node_depth(node); - return box; -} -SYNCTEX_INLINE static synctex_box_s _synctex_data_box_V(synctex_node_p node) { - synctex_box_s box = {{0,0},{0,0}}; - int n; - n = _synctex_node_width_V(node); - if (n<0) { - box.max.h = _synctex_node_h_V(node); - box.min.h = box.max.h + n; - } else { - box.min.h = _synctex_node_h_V(node); - box.max.h = box.min.h + n; - } - n = _synctex_node_v_V(node); - box.min.v = n - _synctex_node_height_V(node); - box.max.v = n + _synctex_node_depth_V(node); - return box; -} - -/** - * The higher box node in the parent hierarchy which - * mean line number is the one of node ±1. - * This enclosing box is computed as follows - * 1) get the first hbox in the parent linked list - * starting at node. - * If there is none, simply return the parent of node. - * 2) compute the mean line number - * 3) scans up the tree for the higher hbox with - * the same mean line number, ±1 eventually -* - parameter node: a node. - * - returns: a (proxy to a) box node. - * - author: JL - */ -static synctex_node_p _synctex_node_box_visible(synctex_node_p node) { - if ((node = _synctex_node_or_handle_target(node))) { - int mean = 0; - int bound = 1500000/(node->class_->scanner->pre_magnification/1000.0); - synctex_node_p parent = NULL; - /* get the first enclosing parent - * then get the highest enclosing parent with the same mean line ±1 */ - node = _synctex_node_or_handle_target(node); - if (!_synctex_node_is_box(node)) { - if ((parent = _synctex_tree_parent(node))) { - node = parent; - } else if ((node = _synctex_tree_target(node))) { - if (!_synctex_node_is_box(node)) { - if ((parent = _synctex_tree_parent(node))) { - node = parent; - } else { - return NULL; - } - } - } - } - parent = node; - mean = synctex_node_mean_line(node); - while ((parent = _synctex_tree_parent(parent))) { - if (_synctex_node_is_hbox(parent)) { - if (_synctex_abs(mean-synctex_node_mean_line(parent))>1) { - return node; - } else if (synctex_node_width(parent)>bound) { - return parent; - } else if (synctex_node_height(parent)+synctex_node_depth(parent)>bound) { - return parent; - } - node = parent; - } - } - } - return node; -} -/** - * The horizontal location of the first box enclosing node, in page coordinates. - * - parameter node: a node. - * - returns: a float. - * - author: JL - */ -float synctex_node_box_visible_h(synctex_node_p node) { - return SYNCTEX_VISIBLE_DISTANCE_h(node,_synctex_node_h_V(_synctex_node_box_visible(node))); -} -/** - * The vertical location of the first box enclosing node, in page coordinates. - * - parameter node: a node. - * - returns: a float. - * - author: JL - */ -float synctex_node_box_visible_v(synctex_node_p node) { - return SYNCTEX_VISIBLE_DISTANCE_v(node,_synctex_node_v_V(_synctex_node_box_visible(node))); -} -/** - * The width of the first box enclosing node, in page coordinates. - * - parameter node: a node. - * - returns: a float. - * - author: JL - */ -float synctex_node_box_visible_width(synctex_node_p node) { - return SYNCTEX_VISIBLE_SIZE(node,_synctex_node_width_V(_synctex_node_box_visible(node))); -} -/** - * The height of the first box enclosing node, in page coordinates. - * - parameter node: a node. - * - returns: a float. - * - author: JL - */ -float synctex_node_box_visible_height(synctex_node_p node) { - return SYNCTEX_VISIBLE_SIZE(node,_synctex_node_height_V(_synctex_node_box_visible(node))); -} -/** - * The depth of the first box enclosing node, in page coordinates. - * - parameter node: a node. - * - returns: a float. - * - author: JL - */ -float synctex_node_box_visible_depth(synctex_node_p node) { - return SYNCTEX_VISIBLE_SIZE(node,_synctex_node_depth_V(_synctex_node_box_visible(node))); -} -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark Other public node attributes -# endif - -/** - * The page number of the sheet enclosing node. - * - parameter node: a node. - * - returns: the page number or -1 if node does not belong to a sheet tree. - * - note: a proxy target does not belong to a sheet - * but a form, its page number is always -1. - * - note: a handles does not belong to a sheet not a form. - * its page number is -1. - * - author: JL - */ -int synctex_node_page(synctex_node_p node){ - synctex_node_p parent = NULL; - while((parent = _synctex_tree_parent(node))) { - node = parent; - } - if (synctex_node_type(node) == synctex_node_type_sheet) { - return _synctex_data_page(node); - } - return -1; -} -/** - * The page number of the target. - * - author: JL - */ -SYNCTEX_INLINE static int _synctex_node_target_page(synctex_node_p node){ - return synctex_node_page(_synctex_tree_target(node)); -} - -#if defined (SYNCTEX_USE_CHARINDEX) -synctex_charindex_t synctex_node_charindex(synctex_node_p node) { - synctex_node_p target = _synctex_tree_target(node); - return target? SYNCTEX_CHARINDEX(target):(node?SYNCTEX_CHARINDEX(node):0); -} -#endif - -/** - * The tag of the node. - * - parameter node: a node. - * - returns: the tag or -1 if node is NULL. - * - author: JL - */ -int synctex_node_tag(synctex_node_p node) { - return node? node->class_->tlcpector->tag(node): -1; -} -/** - * The line of the node. - * - parameter node: a node. - * - returns: the line or -1 if node is NULL. - * - author: JL - */ -int synctex_node_line(synctex_node_p node) { - return node? node->class_->tlcpector->line(node): -1; -} -/** - * The column of the node. - * - parameter node: a node. - * - returns: the column or -1 if node is NULL. - * - author: JL - */ -int synctex_node_column(synctex_node_p node) { - return node? node->class_->tlcpector->column(node): -1; -} -/** - * The mean line number of the node. - * - parameter node: a node. - * - returns: the mean line or -1 if node is NULL. - * - author: JL - */ -int synctex_node_mean_line(synctex_node_p node) { - synctex_node_p other = _synctex_tree_target(node); - if (other) { - node = other; - } - if (_synctex_data_has_mean_line(node)) { - return _synctex_data_mean_line(node); - } - if ((other = synctex_node_parent(node))) { - if (_synctex_data_has_mean_line(other)) { - return _synctex_data_mean_line(other); - } - } - return synctex_node_line(node); -} -/** - * The weight of the node. - * - parameter node: a node. - * - returns: the weight or -1 if node is NULL. - * - author: JL - */ -int synctex_node_weight(synctex_node_p node) { - synctex_node_p target = _synctex_tree_target(node); - if (target) { - node = target; - } - return node?(synctex_node_type(node)==synctex_node_type_hbox?_synctex_data_weight(node):0):-1; -} -/** - * The number of children of the node. - * - parameter node: a node. - * - returns: the count or -1 if node is NULL. - * - author: JL - */ -int synctex_node_child_count(synctex_node_p node) { - synctex_node_p target = _synctex_tree_target(node); - if (target) { - node = target; - } - return node?(synctex_node_type(node)==synctex_node_type_hbox?_synctex_data_weight(node):0):-1; -} -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark Sheet & Form -# endif - -/** - * The sheet of the scanner with a given page number. - * - parameter scanner: a scanner. - * - parameter page: a 1 based page number. - * If page == 0, returns the first sheet. - * - returns: a sheet or NULL. - * - author: JL - */ -synctex_node_p synctex_sheet(synctex_scanner_p scanner,int page) { - if (scanner) { - synctex_node_p sheet = scanner->sheet; - while(sheet) { - if (page == _synctex_data_page(sheet)) { - return sheet; - } - sheet = __synctex_tree_sibling(sheet); - } - if (page == 0) { - return scanner->sheet; - } - } - return NULL; -} -/** - * The form of the scanner with a given tag. - * - parameter scanner: a scanner. - * - parameter tag: an integer identifier. - * If tag == 0, returns the first form. - * - returns: a form. - * - author: JL - */ -synctex_node_p synctex_form(synctex_scanner_p scanner,int tag) { - if (scanner) { - synctex_node_p form = scanner->form; - while(form) { - if (tag == _synctex_data_tag(form)) { - return form; - } - form = __synctex_tree_sibling(form); - } - if (tag == 0) { - return scanner->form; - } - } - return NULL; -} - -/** - * The content of the sheet with given page number. - * - parameter scanner: a scanner. - * - parameter page: a 1 based page number. - * - returns: a (vertical) box node. - * - author: JL - */ -synctex_node_p synctex_sheet_content(synctex_scanner_p scanner,int page) { - if (scanner) { - return _synctex_tree_child(synctex_sheet(scanner,page)); - } - return NULL; -} - -/** - * The content of the sheet with given page number. - * - parameter scanner: a scanner. - * - parameter tag: an integer identifier. - * - returns: a box node. - * - author: JL - */ -synctex_node_p synctex_form_content(synctex_scanner_p scanner,int tag) { - if (scanner) { - return _synctex_tree_child(synctex_form(scanner,tag)); - } - return NULL; -} - -SYNCTEX_INLINE static synctex_node_p _synctex_scanner_friend(synctex_scanner_p scanner,int i) { - if (i>=0) { - i = _synctex_abs(i)%(scanner->number_of_lists); - return (scanner->lists_of_friends)[i]; - } - return NULL; -} -SYNCTEX_INLINE static synctex_bool_t _synctex_nodes_are_friend(synctex_node_p left, synctex_node_p right) { - return synctex_node_tag(left) == synctex_node_tag(right) && synctex_node_line(left) == synctex_node_line(right); -} -/** - * The sibling argument is a parent/child list of nodes of the same page. - */ -typedef struct { - int count; - synctex_node_p node; -} synctex_counted_node_s; - -SYNCTEX_INLINE static synctex_counted_node_s _synctex_vertically_sorted_v2(synctex_node_p sibling) { - /* Clean the weights of the parents */ - synctex_counted_node_s result = {0, NULL}; - synctex_node_p h = NULL; - synctex_node_p next_h = NULL; - synctex_node_p parent = NULL; - int weight = 0; - synctex_node_p N = NULL; - h = sibling; - do { - N = _synctex_tree_target(h); - parent = _synctex_tree_parent(N); - _synctex_data_set_weight(parent, 0); - } while((h = _synctex_tree_child(h))); - /* Compute the weights of the nodes */ - h = sibling; - do { - N = _synctex_tree_target(h); - parent = _synctex_tree_parent(N); - weight = _synctex_data_weight(parent); - if (weight==0) { - N = _synctex_tree_child(parent); - do { - if (_synctex_nodes_are_friend(N,sibling)) { - ++ weight; - } - } while ((N = __synctex_tree_sibling(N))); - _synctex_data_set_weight(h,weight); - _synctex_data_set_weight(parent,weight); - } - } while((h = _synctex_tree_child(h))); - /* Order handle nodes according to the weight */ - h = _synctex_tree_reset_child(sibling); - result.node = sibling; - weight = 0; - while((h)) { - N = result.node; - if (_synctex_data_weight(h)>_synctex_data_weight(N)) { - next_h = _synctex_tree_set_child(h,N); - result.node = h; - } else if (_synctex_data_weight(h) == 0) { - ++ weight; - next_h = _synctex_tree_reset_child(h); - synctex_node_free(h); - } else { - synctex_node_p next_N = NULL; - while((next_N = _synctex_tree_child(N))) { - N = next_N; - if (_synctex_data_weight(h)<_synctex_data_weight(next_N)) { - continue; - } - break; - } - next_h = _synctex_tree_set_child(h,_synctex_tree_set_child(N,h)); - } - h = next_h; - }; - h = result.node; - weight = 0; - do { - ++weight; - } while((h = _synctex_tree_child(h))); - result.count = 1; - h = result.node; - while((next_h = _synctex_tree_child(h))) { - if (_synctex_data_weight(next_h)==0) { - _synctex_tree_reset_child(h); - weight = 1; - h = next_h; - while((h = _synctex_tree_child(h))) { - ++weight; - } - synctex_node_free(next_h); - break; - } - ++result.count; - h = next_h; - } - return result; -} - -SYNCTEX_INLINE static synctex_bool_t _synctex_point_in_box_v2(synctex_point_p hitP, synctex_node_p node); - -/* This struct records distances, the left one is non negative and the right one is non positive. - * When comparing the locations of 2 different graphical objects on the page, we will have to also record the - * horizontal distance as signed to keep track of the typesetting order.*/ - -typedef struct { - synctex_node_p node; - int distance; -} synctex_nd_s; - -#define SYNCTEX_ND_0 (synctex_nd_s){NULL,INT_MAX} - -typedef synctex_nd_s * synctex_nd_p; - -typedef struct { - synctex_nd_s l; - synctex_nd_s r; -} synctex_nd_lr_s; - -/* The best container is the deeper box that contains the hit point (H,V). - * _synctex_eq_deepest_container_v2 starts with node whereas - * _synctex_box_child_deepest starts with node's children, if any - * if node is not a box, or a void box, NULL is returned. - * We traverse the node tree in a deep first manner and stop as soon as a result is found. */ -static synctex_node_p _synctex_eq_deepest_container_v2(synctex_point_p hitP, synctex_node_p node); - -SYNCTEX_INLINE static synctex_nd_lr_s _synctex_eq_get_closest_children_in_box_v2(synctex_point_p hitP, synctex_node_p node); - -/* Closest child, recursive. */ -static synctex_nd_s __synctex_closest_deep_child_v2(synctex_point_p hitP, synctex_node_p node); - -/* The smallest container between two has the smallest width or height. - * This comparison is used when there are 2 overlapping boxes that contain the hit point. - * For ConTeXt, the problem appears at each page. - * The chosen box is the one with the smallest height, then the smallest width. */ -SYNCTEX_INLINE static synctex_node_p _synctex_smallest_container_v2(synctex_node_p node, synctex_node_p other_node); - -/* Returns the distance between the hit point hit point=(H,V) and the given node. */ - -static int _synctex_point_node_distance_v2(synctex_point_p hitP, synctex_node_p node); - -/* The closest container is the box that is the one closest to the given point. - * The "visible" version takes into account the visible dimensions instead of the real ones given by TeX. */ -static synctex_nd_s _synctex_eq_closest_child_v2(synctex_point_p hitP, synctex_node_p node); - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark Queries -# endif - -/** - * iterator for a deep first tree traversal. - */ -struct synctex_iterator_t { - synctex_node_p seed; - synctex_node_p top; - synctex_node_p next; - int count0; - int count; -}; - -SYNCTEX_INLINE static synctex_iterator_p _synctex_iterator_new(synctex_node_p result, int count) { - synctex_iterator_p iterator; - if ((iterator = _synctex_malloc(sizeof(synctex_iterator_s)))) { - iterator->seed = iterator->top = iterator->next = result; - iterator->count0 = iterator->count = count; - } - return iterator; -}; - -void synctex_iterator_free(synctex_iterator_p iterator) { - if (iterator) { - synctex_node_free(iterator->seed); - _synctex_free(iterator); - } -} -synctex_bool_t synctex_iterator_has_next(synctex_iterator_p iterator) { - return iterator?iterator->count>0:0; -} -int synctex_iterator_count(synctex_iterator_p iterator) { - return iterator? iterator->count: 0; -} - -/** - * The next result of the iterator. - * Internally, the iterator stores handles to nodes. - * Externally, it returns the targets, - * such that the caller only sees nodes. - */ -synctex_node_p synctex_iterator_next_result(synctex_iterator_p iterator) { - if (iterator && iterator->count>0) { - synctex_node_p N = iterator->next; - if(!(iterator->next = _synctex_tree_child(N))) { - iterator->next = iterator->top = __synctex_tree_sibling(iterator->top); - } - --iterator->count; - return _synctex_tree_target(N); - } - return NULL; -} -int synctex_iterator_reset(synctex_iterator_p iterator) { - if (iterator) { - iterator->next = iterator->top = iterator->seed; - return iterator->count = iterator->count0; - } - return 0; -} - -synctex_iterator_p synctex_iterator_new_edit(synctex_scanner_p scanner,int page,float h,float v){ - if (scanner) { - synctex_node_p sheet = NULL; - synctex_point_s hit; - synctex_node_p node = NULL; - synctex_nd_lr_s nds = {{NULL,0},{NULL,0}}; - if (NULL == (scanner = synctex_scanner_parse(scanner)) || 0 >= scanner->unit) {/* scanner->unit must be >0 */ - return NULL; - } - /* Find the proper sheet */ - sheet = synctex_sheet(scanner,page); - if (NULL == sheet) { - return NULL; - } - /* Now sheet points to the sheet node with proper page number. */ - /* Now that scanner has been initialized, we can convert - * the given point to scanner integer coordinates */ - hit = (synctex_point_s) - {(h-scanner->x_offset)/scanner->unit, - (v-scanner->y_offset)/scanner->unit}; - /* At first, we browse all the horizontal boxes of the sheet - * until we find one containing the hit point. */ - if ((node = _synctex_tree_next_hbox(sheet))) { - do { - if (_synctex_point_in_box_v2(&hit,node)) { - /* Maybe the hit point belongs to a contained vertical box. - * This is the most likely situation. - */ - synctex_node_p next = node; -#if defined(SYNCTEX_DEBUG) - printf("--- We are lucky\n"); -#endif - /* This trick is for catching overlapping boxes */ - while ((next = _synctex_tree_next_hbox(next))) { - if (_synctex_point_in_box_v2(&hit,next)) { - node = _synctex_smallest_container_v2(next,node); - } - } - /* node is the smallest horizontal box that contains hit, - * unless there is no hbox at all. - */ - node = _synctex_eq_deepest_container_v2(&hit, node); - nds = _synctex_eq_get_closest_children_in_box_v2(&hit, node); - end: - if (nds.r.node && nds.l.node) { - if ((_synctex_data_tag(nds.r.node)!=_synctex_data_tag(nds.l.node)) - || (_synctex_data_line(nds.r.node)!=_synctex_data_line(nds.l.node)) - || (_synctex_data_column(nds.r.node)!=_synctex_data_column(nds.l.node))) { - if (_synctex_data_line(nds.r.node)<_synctex_data_line(nds.l.node)) { - node = nds.r.node; - nds.r.node = nds.l.node; - nds.l.node = node; - } else if (_synctex_data_line(nds.r.node)==_synctex_data_line(nds.l.node)) { - if (nds.l.distance>nds.r.distance) { - node = nds.r.node; - nds.r.node = nds.l.node; - nds.l.node = node; - } - } - if((node = _synctex_new_handle_with_target(nds.l.node))) { - synctex_node_p other_handle; - if((other_handle = _synctex_new_handle_with_target(nds.r.node))) { - _synctex_tree_set_sibling(node,other_handle); - return _synctex_iterator_new(node,2); - } - return _synctex_iterator_new(node,1); - } - return NULL; - } - /* both nodes have the same input coordinates - * We choose the one closest to the hit point */ - if (nds.l.distance>nds.r.distance) { - nds.l.node = nds.r.node; - } - nds.r.node = NULL; - } else if (nds.r.node) { - nds.l = nds.r; - } else if (!nds.l.node) { - nds.l.node = node; - } - if((node = _synctex_new_handle_with_target(nds.l.node))) { - return _synctex_iterator_new(node,1); - } - return 0; - } - } while ((node = _synctex_tree_next_hbox(node))); - /* All the horizontal boxes have been tested, - * None of them contains the hit point. - */ - } - /* We are not lucky, - * we test absolutely all the node - * to find the closest... */ - if ((node = _synctex_tree_child(sheet))) { -#if defined(SYNCTEX_DEBUG) - printf("--- We are not lucky\n"); -#endif - nds.l = __synctex_closest_deep_child_v2(&hit, node); -#if defined(SYNCTEX_DEBUG) - printf("Edit query best: %i\n", nds.l.distance); -#endif - goto end; - } - } - return NULL; -} - -/** - * Loop the candidate friendly list to find the ones with the proper - * tag and line. - * Returns a tree of results targeting the found candidates. - * At the top level each sibling has its own page number. - * All the results with the same page number are linked by child/parent entry. - * - parameter candidate: a friendly list of candidates - */ -static synctex_node_p _synctex_display_query_v2(synctex_node_p target, int tag, int line, synctex_bool_t exclude_box) { - synctex_node_p first_handle = NULL; - /* Search the first match */ - if (target == NULL) { - return first_handle; - } - do { - int page; - if ((exclude_box - && _synctex_node_is_box(target)) - || (tag != synctex_node_tag(target)) - || (line != synctex_node_line(target))) { - continue; - } - /* We found a first match, create - * a result handle targeting that candidate. */ - first_handle = _synctex_new_handle_with_target(target); - if (first_handle == NULL) { - return first_handle; - } - /* target is either a node, - * or a proxy to some node, in which case, - * the target's target belongs to a form, - * not a sheet. */ - page = synctex_node_page(target); - /* Now create all the other results */ - while ((target = _synctex_tree_friend(target))) { - synctex_node_p result = NULL; - if ((exclude_box - && _synctex_node_is_box(target)) - || (tag != synctex_node_tag(target)) - || (line != synctex_node_line(target))) { - continue; - } - /* Another match, same page number ? */ - result = _synctex_new_handle_with_target(target); - if (NULL == result ) { - return first_handle; - } - /* is it the same page number ? */ - if (synctex_node_page(target) == page) { - __synctex_tree_set_child(result, first_handle); - first_handle = result; - } else { - /* We have 2 page numbers involved */ - __synctex_tree_set_sibling(first_handle, result); - while ((target = _synctex_tree_friend(target))) { - synctex_node_p same_page_node; - if ((exclude_box - && _synctex_node_is_box(target)) - || (tag != synctex_node_tag(target)) - || (line != synctex_node_line(target))) { - continue; - } - /* New match found, which page? */ - result = _synctex_new_handle_with_target(target); - if (NULL == result) { - return first_handle; - } - same_page_node = first_handle; - page = synctex_node_page(target); - /* Find a result with the same page number */; - do { - if (_synctex_node_target_page(same_page_node) == page) { - /* Insert result between same_page_node and its child */ - _synctex_tree_set_child(result,_synctex_tree_set_child(same_page_node,result)); - } else if ((same_page_node = __synctex_tree_sibling(same_page_node))) { - continue; - } else { - /* This is a new page number */ - __synctex_tree_set_sibling(result,first_handle); - first_handle = result; - } - break; - } while (synctex_YES); - } - return first_handle; - } - } - } while ((target = _synctex_tree_friend(target))); - return first_handle; -} -synctex_iterator_p synctex_iterator_new_display(synctex_scanner_p scanner,const char * name,int line,int column, int page_hint) { - SYNCTEX_UNUSED(column) - if (scanner) { - int tag = synctex_scanner_get_tag(scanner,name);/* parse if necessary */ - int max_line = 0; - int line_offset = 1; - int try_count = 100; - synctex_node_p node = NULL; - synctex_node_p result = NULL; - if (tag == 0) { - printf("SyncTeX Warning: No tag for %s\n",name); - return NULL; - } - node = synctex_scanner_input_with_tag(scanner, tag); - max_line = _synctex_data_line(node); - /* node = NULL; */ - if (line>max_line) { - line = max_line; - } - while(try_count--) { - if (line<=max_line) { - /* This loop will only be performed once for advanced viewers */ - synctex_node_p friend = _synctex_scanner_friend(scanner,tag+line); - if ((node = friend)) { - result = _synctex_display_query_v2(node,tag,line,synctex_YES); - if (!result) { - /* We did not find any matching boundary, retry including boxes */ - node = friend;/* no need to test it again, already done */ - result = _synctex_display_query_v2(node,tag,line,synctex_NO); - } - /* Now reverse the order to have nodes in display order, and then keep just a few nodes. - * Order first the best node. */ - /* The result is a tree. At the root level, all nodes - * correspond to different page numbers. - * Each node has a child which corresponds to the same - * page number if relevant. - * Then reorder the nodes to put first the one which fits best. - * The idea is to count the number of nodes - * with the same tag and line number in the parents - * and choose the ones with the biggest count. - */ - if (result) { - /* navigate through siblings, then children */ - synctex_node_p next_sibling = __synctex_tree_reset_sibling(result); - int best_match = abs(page_hint-_synctex_node_target_page(result)); - synctex_node_p sibling; - int match; - synctex_counted_node_s cn = _synctex_vertically_sorted_v2(result); - int count = cn.count; - result = cn.node; - while((sibling = next_sibling)) { - /* What is next? Do not miss that step! */ - next_sibling = __synctex_tree_reset_sibling(sibling); - cn = _synctex_vertically_sorted_v2(sibling); - count += cn.count; - sibling = cn.node; - match = abs(page_hint-_synctex_node_target_page(sibling)); - if (match<best_match) { - /* Order this node first */ - __synctex_tree_set_sibling(sibling,result); - result = sibling; - best_match = match; - } else /*if (match>=best_match)*/ { - __synctex_tree_set_sibling(sibling,__synctex_tree_sibling(result)); - __synctex_tree_set_sibling(result,sibling); - } - } - return _synctex_iterator_new(result,count); - } - } -# if defined(__SYNCTEX_STRONG_DISPLAY_QUERY__) - break; -# else - line += line_offset; - line_offset=line_offset<0?-(line_offset-1):-(line_offset+1); - if (line <= 0) { - line += line_offset; - line_offset=line_offset<0?-(line_offset-1):-(line_offset+1); - } -# endif - } - } - } - return NULL; -} -synctex_status_t synctex_display_query(synctex_scanner_p scanner,const char * name,int line,int column, int page_hint) { - if (scanner) { - synctex_iterator_free(scanner->iterator); - scanner->iterator = synctex_iterator_new_display(scanner, name,line,column, page_hint); - return synctex_iterator_count(scanner->iterator); - } - return SYNCTEX_STATUS_ERROR; -} -synctex_status_t synctex_edit_query(synctex_scanner_p scanner,int page,float h,float v) { - if (scanner) { - synctex_iterator_free(scanner->iterator); - scanner->iterator = synctex_iterator_new_edit(scanner, page, h, v); - return synctex_iterator_count(scanner->iterator); - } - return SYNCTEX_STATUS_ERROR; -} -/** - * The next result of a query. - */ -synctex_node_p synctex_scanner_next_result(synctex_scanner_p scanner) { - return scanner? synctex_iterator_next_result(scanner->iterator): NULL; -} -synctex_status_t synctex_scanner_reset_result(synctex_scanner_p scanner) { - return scanner? synctex_iterator_reset(scanner->iterator): SYNCTEX_STATUS_ERROR; -} - -synctex_node_p synctex_node_target(synctex_node_p node) { - return _synctex_tree_target(node); -} - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark Geometric utilities -# endif - -/** Rougly speaking, this is: - * node's h coordinate - hit point's h coordinate. - * If node is to the right of the hit point, then this distance is positive, - * if node is to the left of the hit point, this distance is negative. - * If the argument is a pdf form reference, then the child is used and returned instead. - * Last Revision: Mon Apr 24 07:05:27 UTC 2017 - */ -static synctex_nd_s _synctex_point_h_ordered_distance_v2 -(synctex_point_p hit, synctex_node_p node) { - synctex_nd_s nd = {node,INT_MAX}; - if (node) { - int min,med,max,width; - switch(synctex_node_type(node)) { - /* The distance between a point and a box is special. - * It is not the euclidian distance, nor something similar. - * We have to take into account the particular layout, - * and the box hierarchy. - * Given a box, there are 9 regions delimited by the lines of the edges of the box. - * The origin being at the top left corner of the page, - * we also give names to the vertices of the box. - * - * 1 | 2 | 3 - * ---A---B---> - * 4 | 5 | 6 - * ---C---D---> - * 7 | 8 | 9 - * v v - */ - case synctex_node_type_vbox: - case synctex_node_type_void_vbox: - case synctex_node_type_void_hbox: - /* getting the box bounds, taking into account negative width, height and depth. */ - width = _synctex_data_width(node); - min = _synctex_data_h(node); - max = min + (width>0?width:-width); - /* We allways have min <= max */ - if (hit->h<min) { - nd.distance = min - hit->h; /* regions 1+4+7, result is > 0 */ - } else if (hit->h>max) { - nd.distance = max - hit->h; /* regions 3+6+9, result is < 0 */ - } else { - nd.distance = 0; /* regions 2+5+8, inside the box, except for vertical coordinates */ - } - break; - case synctex_node_type_proxy_vbox: - /* getting the box bounds, taking into account negative width, height and depth. */ - width = synctex_node_width(node); - min = synctex_node_h(node); - max = min + (width>0?width:-width); - /* We allways have min <= max */ - if (hit->h<min) { - nd.distance = min - hit->h; /* regions 1+4+7, result is > 0 */ - } else if (hit->h>max) { - nd.distance = max - hit->h; /* regions 3+6+9, result is < 0 */ - } else { - nd.distance = 0; /* regions 2+5+8, inside the box, except for vertical coordinates */ - } - break; - case synctex_node_type_hbox: - case synctex_node_type_proxy_hbox: - /* getting the box bounds, taking into account negative width, height and depth. */ - width = synctex_node_hbox_width(node); - min = synctex_node_hbox_h(node); - max = min + (width>0?width:-width); - /* We allways have min <= max */ - if (hit->h<min) { - nd.distance = min - hit->h; /* regions 1+4+7, result is > 0 */ - } else if (hit->h>max) { - nd.distance = max - hit->h; /* regions 3+6+9, result is < 0 */ - } else { - nd.distance = 0; /* regions 2+5+8, inside the box, except for vertical coordinates */ - } - break; - case synctex_node_type_kern: - /* IMPORTANT NOTICE: the location of the kern is recorded AFTER the move. - * The distance to the kern is very special, - * in general, there is no text material in the kern, - * this is why we compute the offset relative to the closest edge of the kern.*/ - max = _synctex_data_width(node); - if (max<0) { - min = _synctex_data_h(node); - max = min - max; - } else { - min = -max; - max = _synctex_data_h(node); - min += max; - } - med = (min+max)/2; - /* positive kern: '.' means text, '>' means kern offset - * ............. - * min>>>>med>>>>max - * ............... - * negative kern: '.' means text, '<' means kern offset - * ............................ - * min<<<<med<<<<max - * ................................. - * Actually, we do not take into account negative widths. - * There is a problem for such situation when there is effectively overlapping text. - * But this should be extremely rare. I guess that in that case, many different choices - * could be made, one being in contradiction with the other. - * It means that the best choice should be made according to the situation that occurs - * most frequently. - */ - if (hit->h<min) { - nd.distance = min - hit->h + 1; /* penalty to ensure other nodes are chosen first in case of overlapping ones */ - } else if (hit->h>max) { - nd.distance = max - hit->h - 1; /* same kind of penalty */ - } else if (hit->h>med) { - /* do things like if the node had 0 width and was placed at the max edge + 1*/ - nd.distance = max - hit->h + 1; /* positive, the kern is to the right of the hit point */ - } else { - nd.distance = min - hit->h - 1; /* negative, the kern is to the left of the hit point */ - } - break; - case synctex_node_type_rule:/* to do: special management */ - case synctex_node_type_glue: - case synctex_node_type_math: - case synctex_node_type_boundary: - case synctex_node_type_box_bdry: - nd.distance = _synctex_data_h(node) - hit->h; - break; - case synctex_node_type_ref: - nd.node = synctex_node_child(node); - nd = _synctex_point_h_ordered_distance_v2(hit,nd.node); - break; - case synctex_node_type_proxy: - case synctex_node_type_proxy_last: - { - /* shift the hit point to be relative to the proxy origin, - * then compute the distance to the target - */ - synctex_point_s otherHit = *hit; - otherHit.h -= _synctex_data_h(node); - otherHit.v -= _synctex_data_v(node); - nd.node = _synctex_tree_target(node); - nd = _synctex_point_h_ordered_distance_v2(&otherHit,nd.node); - nd.node = node; - } - default: - break; - } - } - return nd; -} -/** Rougly speaking, this is: - * node's v coordinate - hit point's v coordinate. - * If node is at the top of the hit point, then this distance is positive, - * if node is at the bottom of the hit point, this distance is negative. - */ -static synctex_nd_s _synctex_point_v_ordered_distance_v2 -(synctex_point_p hit, synctex_node_p node) { - synctex_nd_s nd = {node, INT_MAX}; - int min,max,depth,height; - switch(synctex_node_type(node)) { - /* The distance between a point and a box is special. - * It is not the euclidian distance, nor something similar. - * We have to take into account the particular layout, - * and the box hierarchy. - * Given a box, there are 9 regions delimited by the lines of the edges of the box. - * The origin being at the top left corner of the page, - * we also give names to the vertices of the box. - * - * 1 | 2 | 3 - * ---A---B---> - * 4 | 5 | 6 - * ---C---D---> - * 7 | 8 | 9 - * v v - */ - case synctex_node_type_vbox: - case synctex_node_type_void_vbox: - case synctex_node_type_void_hbox: - /* getting the box bounds, taking into account negative width, height and depth. */ - min = synctex_node_v(node); - max = min + _synctex_abs(_synctex_data_depth(node)); - min -= _synctex_abs(_synctex_data_height(node)); - /* We allways have min <= max */ - if (hit->v<min) { - nd.distance = min - hit->v; /* regions 1+2+3, result is > 0 */ - } else if (hit->v>max) { - nd.distance = max - hit->v; /* regions 7+8+9, result is < 0 */ - } else { - nd.distance = 0; /* regions 4.5.6, inside the box, except for horizontal coordinates */ - } - break; - case synctex_node_type_proxy_vbox: - /* getting the box bounds, taking into account negative width, height and depth. */ - min = synctex_node_v(node); - max = min + _synctex_abs(synctex_node_depth(node)); - min -= _synctex_abs(synctex_node_height(node)); - /* We allways have min <= max */ - if (hit->v<min) { - nd.distance = min - hit->v; /* regions 1+2+3, result is > 0 */ - } else if (hit->v>max) { - nd.distance = max - hit->v; /* regions 7+8+9, result is < 0 */ - } else { - nd.distance = 0; /* regions 4.5.6, inside the box, except for horizontal coordinates */ - } - break; - case synctex_node_type_hbox: - case synctex_node_type_proxy_hbox: - /* getting the box bounds, taking into account negative height and depth. */ - min = synctex_node_hbox_v(node); - depth = synctex_node_hbox_depth(node); - max = min + (depth>0?depth:-depth); - height = synctex_node_hbox_height(node); - min -= (height>0?height:-height); - /* We allways have min <= max */ - if (hit->v<min) { - nd.distance = min - hit->v; /* regions 1+2+3, result is > 0 */ - } else if (hit->v>max) { - nd.distance = max - hit->v; /* regions 7+8+9, result is < 0 */ - } else { - nd.distance = 0; /* regions 4.5.6, inside the box, except for horizontal coordinates */ - } - break; - case synctex_node_type_rule:/* to do: special management */ - case synctex_node_type_kern: - case synctex_node_type_glue: - case synctex_node_type_math: - min = _synctex_data_v(node); - max = min + _synctex_abs(_synctex_data_depth(_synctex_tree_parent(node))); - min -= _synctex_abs(_synctex_data_height(_synctex_tree_parent(node))); - /* We allways have min <= max */ - if (hit->v<min) { - nd.distance = min - hit->v; /* regions 1+2+3, result is > 0 */ - } else if (hit->v>max) { - nd.distance = max - hit->v; /* regions 7+8+9, result is < 0 */ - } else { - nd.distance = 0; /* regions 4.5.6, inside the box, except for horizontal coordinates */ - } - break; - case synctex_node_type_ref: - nd.node = synctex_node_child(node); - nd = _synctex_point_v_ordered_distance_v2(hit,nd.node); - break; - case synctex_node_type_proxy: - case synctex_node_type_proxy_last: - { - synctex_point_s otherHit = *hit; - otherHit.h -= _synctex_data_h(node); - otherHit.v -= _synctex_data_v(node); - nd.node = _synctex_tree_target(node); - nd = _synctex_point_v_ordered_distance_v2(&otherHit,nd.node); - nd.node = node; - } - default: break; - } - return nd; -} -/** - * The best is the one with the smallest area. - * The area is width*height where width and height may be big. - * So there is a real risk of overflow if we stick with ints. - */ -SYNCTEX_INLINE static synctex_node_p _synctex_smallest_container_v2(synctex_node_p node, synctex_node_p other_node) { - long total_height, other_total_height; - unsigned long area, other_area; - long width = synctex_node_hbox_width(node); - long other_width = synctex_node_hbox_width(other_node); - if (width<0) { - width = -width; - } - if (other_width<0) { - other_width = -other_width; - } - total_height = _synctex_abs(synctex_node_hbox_depth(node)) + _synctex_abs(synctex_node_hbox_height(node)); - other_total_height = _synctex_abs(synctex_node_hbox_depth(other_node)) + _synctex_abs(synctex_node_hbox_height(other_node)); - area = total_height*width; - other_area = other_total_height*other_width; - if (area<other_area) { - return node; - } - if (area>other_area) { - return other_node; - } - if (_synctex_abs(_synctex_data_width(node))>_synctex_abs(_synctex_data_width(other_node))) { - return node; - } - if (_synctex_abs(_synctex_data_width(node))<_synctex_abs(_synctex_data_width(other_node))) { - return other_node; - } - if (total_height<other_total_height) { - return node; - } - if (total_height>other_total_height) { - return other_node; - } - return node; -} - -SYNCTEX_INLINE static synctex_bool_t _synctex_point_in_box_v2(synctex_point_p hit, synctex_node_p node) { - if (node) { - if (0 == _synctex_point_h_ordered_distance_v2(hit,node).distance - && 0 == _synctex_point_v_ordered_distance_v2(hit,node).distance) { - return synctex_YES; - } - } - return synctex_NO; -} - -static int _synctex_distance_to_box_v2(synctex_point_p hit,synctex_box_p box) { - /* The distance between a point and a box is special. - * It is not the euclidian distance, nor something similar. - * We have to take into account the particular layout, - * and the box hierarchy. - * Given a box, there are 9 regions delimited by the lines of the edges of the box. - * The origin being at the top left corner of the page, - * we also give names to the vertices of the box. - * - * 1 | 2 | 3 - * ---A---B---> - * 4 | 5 | 6 - * ---C---D---> - * 7 | 8 | 9 - * v v - * In each region, there is a different formula. - * In the end we have a continuous distance which may not be a mathematical distance but who cares. */ - if (hit->v<box->min.v) { - /* Regions 1, 2 or 3 */ - if (hit->h<box->min.h) { - /* This is region 1. The distance to the box is the L1 distance PA. */ - return box->min.v - hit->v + box->min.h - hit->h;/* Integer overflow? probability epsilon */ - } else if (hit->h<=box->max.h) { - /* This is region 2. The distance to the box is the geometrical distance to the top edge. */ - return box->min.v - hit->v; - } else { - /* This is region 3. The distance to the box is the L1 distance PB. */ - return box->min.v - hit->v + hit->h - box->max.h; - } - } else if (hit->v<=box->max.v) { - /* Regions 4, 5 or 6 */ - if (hit->h<box->min.h) { - /* This is region 4. The distance to the box is the geometrical distance to the left edge. */ - return box->min.h - hit->h; - } else if (hit->h<=box->max.h) { - /* This is region 5. We are inside the box. */ - return 0; - } else { - /* This is region 6. The distance to the box is the geometrical distance to the right edge. */ - return hit->h - box->max.h; - } - } else { - /* Regions 7, 8 or 9 */ - if (hit->h<box->min.h) { - /* This is region 7. The distance to the box is the L1 distance PC. */ - return hit->v - box->max.v + box->min.h - hit->h; - } else if (hit->h<=box->max.h) { - /* This is region 8. The distance to the box is the geometrical distance to the top edge. */ - return hit->v - box->max.v; - } else { - /* This is region 9. The distance to the box is the L1 distance PD. */ - return hit->v - box->max.v + hit->h - box->max.h; - } - } -} - -/** - * The distance from the hit point to the node. - */ -static int _synctex_point_node_distance_v2(synctex_point_p hit, synctex_node_p node) { - int d = INT_MAX; - if (node) { - synctex_box_s box = {{0,0},{0,0}}; - int dd = INT_MAX; - switch(synctex_node_type(node)) { - case synctex_node_type_vbox: - box.min.h = _synctex_data_h(node); - box.max.h = box.min.h + _synctex_abs(_synctex_data_width(node)); - box.min.v = synctex_node_v(node); - box.max.v = box.min.v + _synctex_abs(_synctex_data_depth(node)); - box.min.v -= _synctex_abs(_synctex_data_height(node)); - return _synctex_distance_to_box_v2(hit,&box); - case synctex_node_type_proxy_vbox: - box.min.h = synctex_node_h(node); - box.max.h = box.min.h + _synctex_abs(synctex_node_width(node)); - box.min.v = synctex_node_v(node); - box.max.v = box.min.v + _synctex_abs(synctex_node_depth(node)); - box.min.v -= _synctex_abs(synctex_node_height(node)); - return _synctex_distance_to_box_v2(hit,&box); - case synctex_node_type_hbox: - case synctex_node_type_proxy_hbox: - box.min.h = synctex_node_hbox_h(node); - box.max.h = box.min.h + _synctex_abs(synctex_node_hbox_width(node)); - box.min.v = synctex_node_hbox_v(node); - box.max.v = box.min.v + _synctex_abs(synctex_node_hbox_depth(node)); - box.min.v -= _synctex_abs(synctex_node_hbox_height(node)); - return _synctex_distance_to_box_v2(hit,&box); - case synctex_node_type_void_vbox: - case synctex_node_type_void_hbox: - /* best of distances from the left edge and right edge*/ - box.min.h = _synctex_data_h(node); - box.max.h = box.min.h; - box.min.v = _synctex_data_v(node); - box.max.v = box.min.v + _synctex_abs(_synctex_data_depth(node)); - box.min.v -= _synctex_abs(_synctex_data_height(node)); - d = _synctex_distance_to_box_v2(hit,&box); - box.min.h = box.min.h + _synctex_abs(_synctex_data_width(node)); - box.max.h = box.min.h; - dd = _synctex_distance_to_box_v2(hit,&box); - return d<dd ? d:dd; - case synctex_node_type_kern: - box.min.h = _synctex_data_h(node); - box.max.h = box.min.h; - box.max.v = _synctex_data_v(node); - box.min.v = box.max.v - _synctex_abs(_synctex_data_height(_synctex_tree_parent(node))); - d = _synctex_distance_to_box_v2(hit,&box); - box.min.h -= _synctex_data_width(node); - box.max.h = box.min.h; - dd = _synctex_distance_to_box_v2(hit,&box); - return d<dd ? d:dd; - case synctex_node_type_glue: - case synctex_node_type_math: - case synctex_node_type_boundary: - case synctex_node_type_box_bdry: - box.min.h = _synctex_data_h(node); - box.max.h = box.min.h; - box.max.v = _synctex_data_v(node); - box.min.v = box.max.v - _synctex_abs(_synctex_data_height(_synctex_tree_parent(node))); - return _synctex_distance_to_box_v2(hit,&box); - case synctex_node_type_proxy: - case synctex_node_type_proxy_last: - { - synctex_point_s otherHit = *hit; - otherHit.h -= _synctex_data_h(node); - otherHit.v -= _synctex_data_v(node); - return _synctex_point_node_distance_v2(&otherHit, _synctex_tree_target(node)); - } - default: break; - } - } - return d; -} -static synctex_node_p _synctex_eq_deepest_container_v2(synctex_point_p hit, synctex_node_p node) { - if (node) { - /**/ - synctex_node_p child; - if ((child = synctex_node_child(node))) { - /* Non void hbox or vbox, form ref or proxy */ - /* We go deep first because some boxes have 0 dimensions - * despite they do contain some black material. - */ - do { - if ((_synctex_point_in_box_v2(hit,child))) { - synctex_node_p deep = _synctex_eq_deepest_container_v2(hit,child); - if (deep) { - /* One of the children contains the hit. */ - return deep; - } - } - } while((child = synctex_node_sibling(child))); - /* is the hit point inside the box? */ - if (synctex_node_type(node) == synctex_node_type_vbox - || synctex_node_type(node) == synctex_node_type_proxy_vbox) { - /* For vboxes we try to use some node inside. - * Walk through the list of siblings until we find the closest one. - * Only consider siblings with children inside. */ - if ((child = _synctex_tree_child(node))) { - synctex_nd_s best = SYNCTEX_ND_0; - do { - if (_synctex_tree_child(child)) { - int d = _synctex_point_node_distance_v2(hit,child); - if (d <= best.distance) { - best = (synctex_nd_s){child, d}; - } - } - } while((child = __synctex_tree_sibling(child))); - if (best.node) { - return best.node; - } - } - } - if (_synctex_point_in_box_v2(hit,node)) { - return node; - } - } - } - return NULL; -} -static synctex_nd_s _synctex_eq_deepest_container_v3(synctex_point_p hit, synctex_node_p node) { - if (node) { - synctex_node_p child = NULL; - if ((child = synctex_node_child(node))) { - /* Non void hbox, vbox, box proxy or form ref */ - /* We go deep first because some boxes have 0 dimensions - * despite they do contain some black material. - */ - do { - synctex_nd_s deep = _synctex_eq_deepest_container_v3(hit, child); - if (deep.node) { - /* One of the children contains the hit-> */ - return deep; - } - } while((child = synctex_node_sibling(child))); - /* For vboxes we try to use some node inside. - * Walk through the list of siblings until we find the closest one. - * Only consider siblings with children inside. */ - if (synctex_node_type(node) == synctex_node_type_vbox - || synctex_node_type(node) == synctex_node_type_proxy_vbox) { - if ((child = synctex_node_child(node))) { - synctex_nd_s best = SYNCTEX_ND_0; - do { - if (synctex_node_child(child)) { - int d = _synctex_point_node_distance_v2(hit,child); - if (d < best.distance) { - best = (synctex_nd_s){child,d}; - } - } - } while((child = synctex_node_sibling(child))); - if (best.node) { - return best; - } - } - } - /* is the hit point inside the box? */ - if (_synctex_point_in_box_v2(hit,node)) { - return (synctex_nd_s){node, 0}; - } - } - } - return SYNCTEX_ND_0; -} - -/* Compares the locations of the hit point with the locations of - * the various nodes contained in the box. - * As it is an horizontal box, we only compare horizontal coordinates. - */ -SYNCTEX_INLINE static synctex_nd_lr_s __synctex_eq_get_closest_children_in_hbox_v2(synctex_point_p hitP, synctex_node_p node) { - synctex_nd_s childd = SYNCTEX_ND_0; - synctex_nd_lr_s nds = {SYNCTEX_ND_0,SYNCTEX_ND_0}; - if ((childd.node = synctex_node_child(node))) { - synctex_nd_s nd = SYNCTEX_ND_0; - do { - childd = _synctex_point_h_ordered_distance_v2(hitP,childd.node); - if (childd.distance > 0) { - /* node is to the right of the hit point. - * We compare node and the previously recorded one, through the recorded distance. - * If the nodes have the same tag, prefer the one with the smallest line number, - * if the nodes also have the same line number, prefer the one with the smallest column. */ - if (nds.r.distance > childd.distance) { - nds.r = childd; - } else if (nds.r.distance == childd.distance && nds.r.node) { - if (_synctex_data_tag(nds.r.node) == _synctex_data_tag(childd.node) - && (_synctex_data_line(nds.r.node) > _synctex_data_line(childd.node) - || (_synctex_data_line(nds.r.node) == _synctex_data_line(childd.node) - && _synctex_data_column(nds.r.node) > _synctex_data_column(childd.node)))) { - nds.r = childd; - } - } - } else if (childd.distance == 0) { - /* hit point is inside node. */ - if (_synctex_tree_child(childd.node)) { - return _synctex_eq_get_closest_children_in_box_v2(hitP, childd.node); - } - nds.l = childd; - } else { /* here childd.distance < 0, the hit point is to the right of node */ - childd.distance = -childd.distance; - if (nds.l.distance > childd.distance) { - nds.l = childd; - } else if (nds.l.distance == childd.distance && nds.l.node) { - if (_synctex_data_tag(nds.l.node) == _synctex_data_tag(childd.node) - && (_synctex_data_line(nds.l.node) > _synctex_data_line(childd.node) - || (_synctex_data_line(nds.l.node) == _synctex_data_line(childd.node) - && _synctex_data_column(nds.l.node) > _synctex_data_column(childd.node)))) { - nds.l = childd; - } - } - } - } while((childd.node = synctex_node_sibling(childd.node))); - if (nds.l.node) { - /* the left node is new, try to narrow the result */ - if ((nd = _synctex_eq_deepest_container_v3(hitP,nds.l.node)).node) { - nds.l = nd; - } - if((nd = __synctex_closest_deep_child_v2(hitP,nds.l.node)).node) { - nds.l.node = nd.node; - } - } - if (nds.r.node) { - /* the right node is new, try to narrow the result */ - if ((nd = _synctex_eq_deepest_container_v3(hitP,nds.r.node)).node) { - nds.r = nd; - } - if((nd = __synctex_closest_deep_child_v2(hitP,nds.r.node)).node) { - nds.r.node = nd.node; - } - } - } - return nds; -} - -#if 0 -SYNCTEX_INLINE static synctex_nd_lr_s __synctex_eq_get_closest_children_in_hbox_v3(synctex_point_p hitP, synctex_node_p nodeP) { - synctex_nd_s nd = SYNCTEX_ND_0; - synctex_nd_lr_s nds = {SYNCTEX_ND_0,SYNCTEX_ND_0}; - if ((nd.node = _synctex_tree_child(nodeP))) { - do { - nd = _synctex_point_h_ordered_distance_v2(hitP,nd.node); - if (nd.distance > 0) { - /* node is to the right of the hit point. - * We compare node and the previously recorded one, through the recorded distance. - * If the nodes have the same tag, prefer the one with the smallest line number, - * if the nodes also have the same line number, prefer the one with the smallest column. */ - if (nds.r.distance > nd.distance) { - nds.r = nd; - } else if (nds.r.distance == nd.distance && nds.r.node) { - if (_synctex_data_tag(nds.r.node) == _synctex_data_tag(nd.node) - && (_synctex_data_line(nds.r.node) > _synctex_data_line(nd.node) - || (_synctex_data_line(nds.r.node) == _synctex_data_line(nd.node) - && _synctex_data_column(nds.r.node) > _synctex_data_column(nd.node)))) { - nds.r = nd; - } - } - } else if (nd.distance == 0) { - /* hit point is inside node. */ - nds.l = nd; - } else { /* here nd.d < 0, the hit point is to the right of node */ - nd.distance = -nd.distance; - if (nds.l.distance > nd.distance) { - nds.l = nd; - } else if (nds.l.distance == nd.distance && nds.l.node) { - if (_synctex_data_tag(nds.l.node) == _synctex_data_tag(nd.node) - && (_synctex_data_line(nds.l.node) > _synctex_data_line(nd.node) - || (_synctex_data_line(nds.l.node) == _synctex_data_line(nd.node) - && _synctex_data_column(nds.l.node) > _synctex_data_column(nd.node)))) { - nds.l = nd; - } - } - } - } while((nd.node = __synctex_tree_sibling(nd.node))); - if (nds.l.node) { - /* the left node is new, try to narrow the result */ - if ((nd.node = _synctex_eq_deepest_container_v2(hitP,nds.l.node))) { - nds.l.node = nd.node; - } - if((nd = _synctex_eq_closest_child_v2(hitP,nds.l.node)).node) { - nds.l.node = nd.node; - } - } - if (nds.r.node) { - /* the right node is new, try to narrow the result */ - if ((nd.node = _synctex_eq_deepest_container_v2(hitP,nds.r.node))) { - nds.r.node = nd.node; - } - if((nd = _synctex_eq_closest_child_v2(hitP,nds.r.node)).node) { - nds.r.node = nd.node; - } - } - } - return nds; -} -#endif -SYNCTEX_INLINE static synctex_nd_lr_s __synctex_eq_get_closest_children_in_vbox_v2(synctex_point_p hitP, synctex_node_p nodeP) { - SYNCTEX_UNUSED(nodeP) - synctex_nd_lr_s nds = {SYNCTEX_ND_0,SYNCTEX_ND_0}; - synctex_nd_s nd = SYNCTEX_ND_0; - if ((nd.node = synctex_node_child(nd.node))) { - do { - nd = _synctex_point_v_ordered_distance_v2(hitP,nd.node); - /* this is what makes the difference with the h version above */ - if (nd.distance > 0) { - /* node is to the top of the hit point (below because TeX is oriented from top to bottom. - * We compare node and the previously recorded one, through the recorded distance. - * If the nodes have the same tag, prefer the one with the smallest line number, - * if the nodes also have the same line number, prefer the one with the smallest column. */ - if (nds.r.distance > nd.distance) { - nds.r = nd; - } else if (nds.r.distance == nd.distance && nds.r.node) { - if (_synctex_data_tag(nds.r.node) == _synctex_data_tag(nd.node) - && (_synctex_data_line(nds.r.node) > _synctex_data_line(nd.node) - || (_synctex_data_line(nds.r.node) == _synctex_data_line(nd.node) - && _synctex_data_column(nds.r.node) > _synctex_data_column(nd.node)))) { - nds.r = nd; - } - } - } else if (nd.distance == 0) { - nds.l = nd; - } else { /* here nd < 0 */ - nd.distance = -nd.distance; - if (nds.l.distance > nd.distance) { - nds.l = nd; - } else if (nds.l.distance == nd.distance && nds.l.node) { - if (_synctex_data_tag(nds.l.node) == _synctex_data_tag(nd.node) - && (_synctex_data_line(nds.l.node) > _synctex_data_line(nd.node) - || (_synctex_data_line(nds.l.node) == _synctex_data_line(nd.node) - && _synctex_data_column(nds.l.node) > _synctex_data_column(nd.node)))) { - nds.l = nd; - } - } - } - } while((nd.node = synctex_node_sibling(nd.node))); - if (nds.l.node) { - if ((nd.node = _synctex_eq_deepest_container_v2(hitP,nds.l.node))) { - nds.l.node = nd.node; - } - if((nd = _synctex_eq_closest_child_v2(hitP,nds.l.node)).node) { - nds.l.node = nd.node; - } - } - if (nds.r.node) { - if ((nd.node = _synctex_eq_deepest_container_v2(hitP,nds.r.node))) { - nds.r.node = nd.node; - } - if((nd = _synctex_eq_closest_child_v2(hitP,nds.r.node)).node) { - nds.r.node = nd.node; - } - } - } - return nds; -} - -/** - * Get the child closest to the hit point. - * - parameter: hit point - * - parameter: containing node - * - returns: the child and the distance to the hit point. - * SYNCTEX_ND_0 if the parameter node has no children. - * - note: recursive call. - */ -static synctex_nd_s __synctex_closest_deep_child_v2(synctex_point_p hitP, synctex_node_p node) { - synctex_nd_s best = SYNCTEX_ND_0; - synctex_node_p child = NULL; - if ((child = synctex_node_child(node))) { -#if defined(SYNCTEX_DEBUG) - printf("Closest deep child on box at line %i\n", - SYNCTEX_LINEINDEX(node)); -#endif - do { -#if SYNCTEX_DEBUG>500 - synctex_node_display(child); -#endif - synctex_nd_s nd = SYNCTEX_ND_0; - if (_synctex_node_is_box(child)) { - nd = __synctex_closest_deep_child_v2(hitP,child); - } else { - nd = (synctex_nd_s) {child, _synctex_point_node_distance_v2(hitP,child)}; - } - if (nd.distance < best.distance ||(nd.distance == best.distance - && synctex_node_type(nd.node) != synctex_node_type_kern)) { -#if defined(SYNCTEX_DEBUG) - if(nd.node) { - printf("New best %i<=%i line %i\n",nd.distance, - best.distance,SYNCTEX_LINEINDEX(nd.node)); - } -#endif - best = nd; - } - } while((child = synctex_node_sibling(child))); -#if defined(SYNCTEX_DEBUG) - if(best.node) { - printf("Found new best %i line %i\n",best.distance,SYNCTEX_LINEINDEX(best.node)); - } -#endif - } - return best; -} - -/** - * Return the closest child. - * - parameter: a pointer to the hit point, - * - parameter: the container - * - return: SYNCTEX_ND_0 if node has no child, - * the __synctex_closest_deep_child_v2 otherwise. - */ -static synctex_nd_s _synctex_eq_closest_child_v2(synctex_point_p hitP, synctex_node_p node) { - synctex_nd_s nd = SYNCTEX_ND_0; - if (_synctex_node_is_box(node)) { - nd = __synctex_closest_deep_child_v2(hitP, node); - if (_synctex_node_is_box(nd.node)) { - synctex_node_p child = NULL; - if ((child = synctex_node_child(nd.node))) { - synctex_nd_s best = {child,_synctex_point_node_distance_v2(hitP,child)}; - while((child = synctex_node_sibling(child))) { - int d = _synctex_point_node_distance_v2(hitP,child); - if (d < best.distance) { - best = (synctex_nd_s){child,d}; - } else if (d == best.distance && synctex_node_type(child) != synctex_node_type_kern) { - best.node = child; - } - } - return best; - } - } - return nd; - } - return SYNCTEX_ND_0; -} -SYNCTEX_INLINE static synctex_nd_lr_s _synctex_eq_get_closest_children_in_box_v2(synctex_point_p hitP, synctex_node_p node) { - synctex_nd_lr_s nds = {SYNCTEX_ND_0,SYNCTEX_ND_0}; - if(_synctex_tree_has_child(node)) { /* node != NULL */ - if (node->class_->type==synctex_node_type_hbox || - node->class_->type==synctex_node_type_proxy_hbox) { - return __synctex_eq_get_closest_children_in_hbox_v2(hitP,node); - } else { - return __synctex_eq_get_closest_children_in_vbox_v2(hitP,node); - } - } - return nds; -} - -#ifndef SYNCTEX_NO_UPDATER - -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark Updater -# endif - -typedef int (*synctex_print_f)(synctex_updater_p, const char * , ...); /* print formatted to either FILE * or gzFile */ -typedef void (*synctex_close_f)(synctex_updater_p); /* close FILE * or gzFile */ - -# define SYNCTEX_BITS_PER_BYTE 8 - -typedef union { - gzFile as_gzFile; - FILE * as_FILE_p; - void * as_ptr; -} syncex_file_u; - -struct synctex_updater_t { - syncex_file_u file; - synctex_print_f print; - synctex_close_f close; - int length; /* the number of chars appended */ -}; - -static int _synctex_updater_print(synctex_updater_p updater, const char * format, ...) { - int result = 0; - if (updater) { - va_list va; - va_start(va, format); - result = vfprintf(updater->file.as_FILE_p, - format, - va); - va_end(va); - } - return result; -} -#if defined(_MSC_VER) -#include <stdio.h> -#include <stdlib.h> -#include <stdarg.h> - -static int vasprintf(char **ret, - const char *format, - va_list ap) -{ - int len; - len = _vsnprintf(NULL, 0, format, ap); - if (len < 0) return -1; - *ret = malloc(len + 1); - if (!*ret) return -1; - _vsnprintf(*ret, len+1, format, ap); - (*ret)[len] = '\0'; - return len; -} - -#endif - -/** - * gzvprintf is not available until OSX 10.10 - */ -static int _synctex_updater_print_gz(synctex_updater_p updater, const char * format, ...) { - int result = 0; - if (updater) { - char * buffer; - va_list va; - va_start(va, format); - if (vasprintf(&buffer, format, va) < 0) { - _synctex_error("Out of memory..."); - } else if ((result = (int)strlen(buffer))) { - result = gzwrite(updater->file.as_gzFile, buffer, (unsigned)result); - } - va_end(va); - free(buffer); - } - return result; -} - -static void _synctex_updater_close(synctex_updater_p updater) { - if (updater) { - fclose(updater->file.as_FILE_p); - } -} - -static void _synctex_updater_close_gz(synctex_updater_p updater) { - if (updater) { - gzclose(updater->file.as_gzFile); - } -} - -synctex_updater_p synctex_updater_new_with_output_file(const char * output, const char * build_directory) { - synctex_updater_p updater = NULL; - const char * mode = NULL; - synctex_open_s open; - /* prepare the updater, the memory is the only one dynamically allocated */ - updater = (synctex_updater_p)_synctex_malloc(sizeof(synctex_updater_s)); - if (NULL == updater) { - _synctex_error("! synctex_updater_new_with_file: malloc problem"); - return NULL; - } - open = _synctex_open_v2(output,build_directory,0,synctex_ADD_QUOTES); - if (open.status < SYNCTEX_STATUS_OK) { - open = _synctex_open_v2(output,build_directory,0,synctex_DONT_ADD_QUOTES); - if (open.status < SYNCTEX_STATUS_OK) { - return_on_error: - _synctex_free(updater); - return updater = NULL; - } - } - /* OK, the file exists, we close it and reopen it with the correct mode. - * The receiver is now the owner of the "synctex" variable. */ - gzclose(open.file); - updater->file.as_ptr = NULL; - mode = _synctex_get_io_mode_name(open.io_mode|synctex_io_append_mask);/* either "a" or "ab", depending on the file extension */ - if (open.io_mode&synctex_io_gz_mask) { - if (NULL == (updater->file.as_FILE_p = fopen(open.synctex,mode))) { - no_write_error: - _synctex_error("! synctex_updater_new_with_file: Can't append to %s",open.synctex); - free(open.synctex); - goto return_on_error; - } - updater->print = &_synctex_updater_print; - updater->close = &_synctex_updater_close; - } else { - if (NULL == (updater->file.as_gzFile = gzopen(open.synctex,mode))) { - goto no_write_error; - } - updater->print = &_synctex_updater_print_gz; - updater->close = &_synctex_updater_close_gz; - } - printf("SyncTeX: updating %s...",open.synctex); - _synctex_free(open.synctex); - return updater; -} - -void synctex_updater_append_magnification(synctex_updater_p updater, char * magnification){ - if (NULL==updater) { - return; - } - if (magnification && strlen(magnification)) { - updater->length += - updater->print(updater,"Magnification:%s\n",magnification); - } -} - -void synctex_updater_append_x_offset(synctex_updater_p updater, char * x_offset){ - if (NULL==updater) { - return; - } - if (x_offset && strlen(x_offset)) { - updater->length += updater->print(updater,"X Offset:%s\n",x_offset); - } -} - -void synctex_updater_append_y_offset(synctex_updater_p updater, char * y_offset){ - if (NULL==updater) { - return; - } - if (y_offset && strlen(y_offset)) { - updater->length += updater->print(updater,"Y Offset:%s\n",y_offset); - } -} - -void synctex_updater_free(synctex_updater_p updater){ - if (NULL==updater) { - return; - } - if (updater->length>0) { - updater->print(updater,"!%i\n",updater->length); - } - updater->close(updater); - _synctex_free(updater); - printf("... done.\n"); - return; -} -#endif - -#if defined(SYNCTEX_TESTING) -# ifdef SYNCTEX_NOTHING -# pragma mark - -# pragma mark Testers -# endif -static int _synctex_input_copy_name(synctex_node_p input, char * name) { - char * copy = _synctex_malloc(strlen(name)+1); - memcpy(copy,name,strlen(name)+1); - _synctex_data_set_name(input,copy); - return 0; -} -int synctex_test_setup_scanner_sheets_421(synctex_scanner_p scanner) { - int TC = 0; - synctex_node_p sheet = synctex_node_new(scanner,synctex_node_type_sheet); - _synctex_data_set_page(sheet,4); - SYNCTEX_TEST_BODY(TC, _synctex_data_page(sheet)==4,""); - synctex_node_free(scanner->sheet); - scanner->sheet = sheet; - sheet = synctex_node_new(scanner,synctex_node_type_sheet); - _synctex_data_set_page(sheet,2); - SYNCTEX_TEST_BODY(TC, _synctex_data_page(sheet)==2,""); - __synctex_tree_set_sibling(sheet, scanner->sheet); - scanner->sheet = sheet; - sheet = synctex_node_new(scanner,synctex_node_type_sheet); - _synctex_data_set_page(sheet,1); - SYNCTEX_TEST_BODY(TC, _synctex_data_page(sheet)==1,""); - __synctex_tree_set_sibling(sheet, scanner->sheet); - scanner->sheet = sheet; - return TC; -} -int synctex_test_input(synctex_scanner_p scanner) { - int TC = 0; - synctex_node_p input = synctex_node_new(scanner,synctex_node_type_input); - _synctex_data_set_tag(input,421); - SYNCTEX_TEST_BODY(TC, _synctex_data_tag(input)==421,""); - _synctex_data_set_tag(input,124); - SYNCTEX_TEST_BODY(TC, _synctex_data_tag(input)==124,""); - _synctex_data_set_line(input,421); - SYNCTEX_TEST_BODY(TC, _synctex_data_line(input)==421,""); - _synctex_data_set_line(input,214); - SYNCTEX_TEST_BODY(TC, _synctex_data_line(input)==214,""); - _synctex_data_set_line(input,214); - SYNCTEX_TEST_BODY(TC, _synctex_data_line(input)==214,""); - _synctex_input_copy_name(input,"214"); - SYNCTEX_TEST_BODY(TC, 0==memcmp(_synctex_data_name(input),"214",4),""); - _synctex_input_copy_name(input,"421421"); - - SYNCTEX_TEST_BODY(TC, - 0==memcmp(_synctex_data_name(input), - "421421", - 4), - ""); - synctex_node_free(input); - return TC; -} -int synctex_test_proxy(synctex_scanner_p scanner) { - int TC = 0; - synctex_node_p proxy = synctex_node_new(scanner,synctex_node_type_proxy); - synctex_node_p target = synctex_node_new(scanner,synctex_node_type_rule); - _synctex_tree_set_target(proxy,target); - _synctex_data_set_tag(target,421); - SYNCTEX_TEST_BODY(TC, _synctex_data_tag(target)==421,""); - SYNCTEX_TEST_BODY(TC, synctex_node_tag(target)==421,""); - SYNCTEX_TEST_BODY(TC, synctex_node_tag(proxy)==421,""); - synctex_node_free(proxy); - synctex_node_free(target); - return TC; -} -int synctex_test_handle(synctex_scanner_p scanner) { - int TC = 0; - synctex_node_p handle = synctex_node_new(scanner,synctex_node_type_handle); - synctex_node_p proxy = synctex_node_new(scanner, synctex_node_type_proxy); - synctex_node_p target = synctex_node_new(scanner,synctex_node_type_rule); - _synctex_tree_set_target(handle,target); - _synctex_data_set_tag(target,421); - SYNCTEX_TEST_BODY(TC, _synctex_data_tag(target)==421,""); - SYNCTEX_TEST_BODY(TC, synctex_node_tag(target)==421,""); - SYNCTEX_TEST_BODY(TC, synctex_node_tag(handle)==421,""); - _synctex_data_set_line(target,214); - SYNCTEX_TEST_BODY(TC, _synctex_data_line(target)==214,""); - SYNCTEX_TEST_BODY(TC, synctex_node_line(target)==214,""); - SYNCTEX_TEST_BODY(TC, synctex_node_line(handle)==214,""); - _synctex_data_set_column(target,142); - SYNCTEX_TEST_BODY(TC, _synctex_data_column(target)==142,""); - SYNCTEX_TEST_BODY(TC, synctex_node_column(target)==142,""); - SYNCTEX_TEST_BODY(TC, synctex_node_column(handle)==142,""); - _synctex_tree_set_target(proxy,target); - _synctex_tree_set_target(handle,proxy); - _synctex_data_set_tag(target,412); - SYNCTEX_TEST_BODY(TC, _synctex_data_tag(target)==412,""); - SYNCTEX_TEST_BODY(TC, synctex_node_tag(target)==412,""); - SYNCTEX_TEST_BODY(TC, synctex_node_tag(handle)==412,""); - _synctex_data_set_line(target,124); - SYNCTEX_TEST_BODY(TC, _synctex_data_line(target)==124,""); - SYNCTEX_TEST_BODY(TC, synctex_node_line(target)==124,""); - SYNCTEX_TEST_BODY(TC, synctex_node_line(handle)==124,""); - _synctex_data_set_column(target,241); - SYNCTEX_TEST_BODY(TC, _synctex_data_column(target)==241,""); - SYNCTEX_TEST_BODY(TC, synctex_node_column(target)==241,""); - SYNCTEX_TEST_BODY(TC, synctex_node_column(handle)==241,""); - synctex_node_free(handle); - synctex_node_free(proxy); - synctex_node_free(target); - return TC; -} -int synctex_test_setup_scanner_input(synctex_scanner_p scanner) { - int TC = 0; - synctex_node_p input = synctex_node_new(scanner,synctex_node_type_input); - _synctex_data_set_tag(input,4); - _synctex_input_copy_name(input,"21"); - _synctex_data_set_line(input,421); - synctex_node_free(scanner->input); - scanner->input = input; - SYNCTEX_TEST_BODY(TC, _synctex_data_tag(input)==4,""); - SYNCTEX_TEST_BODY(TC, strcmp(_synctex_data_name(input),"21")==0,""); - SYNCTEX_TEST_BODY(TC, _synctex_data_line(input)==421,""); - return TC; -} -int synctex_test_setup_nodes(synctex_scanner_p scanner, synctex_node_r nodes) { - int TC = 0; - int n; - for (n=0;n<synctex_node_number_of_types;++n) { - nodes[n] = synctex_node_new(scanner,n); - SYNCTEX_TEST_BODY(TC, nodes[n]!=NULL,""); - } - return TC; -} -int synctex_test_teardown_nodes(synctex_scanner_p scanner, synctex_node_r nodes) { - int n; - for (n=0;n<synctex_node_number_of_types;++n) { - synctex_node_free(nodes[n]); - nodes[n]=NULL; - } - return 1; -} -int synctex_test_tree(synctex_scanner_p scanner) { - int TC = 0; - synctex_node_p nodes1[synctex_node_number_of_types]; - synctex_node_p nodes2[synctex_node_number_of_types]; - synctex_node_p nodes3[synctex_node_number_of_types]; - int i,j; - TC += synctex_test_setup_nodes(scanner,nodes1); - TC += synctex_test_setup_nodes(scanner,nodes2); - TC += synctex_test_setup_nodes(scanner,nodes3); - /* Every node has a sibling */ - for (i=0;i<synctex_node_number_of_types;++i) { - for (j=0;j<synctex_node_number_of_types;++j) { - _synctex_tree_set_sibling(nodes1[i],nodes2[i]); - SYNCTEX_TEST_BODY(TC, nodes2[i]==synctex_node_sibling(nodes1[i]),""); - } - } - synctex_test_teardown_nodes(scanner,nodes3); - synctex_test_teardown_nodes(scanner,nodes2); - synctex_test_teardown_nodes(scanner,nodes1); - return TC; -} -int synctex_test_page(synctex_scanner_p scanner) { - int TC = synctex_test_setup_scanner_sheets_421(scanner); - synctex_node_p sheet = scanner->sheet; - synctex_node_p node = synctex_node_new(scanner,synctex_node_type_rule); - _synctex_data_set_tag(node,4); - _synctex_data_set_line(node,21); - synctex_node_free(_synctex_node_set_child(sheet,node)); - SYNCTEX_TEST_BODY(TC, synctex_node_page(node)==synctex_node_page(sheet),""); - return TC; -} -int synctex_test_display_query(synctex_scanner_p scanner) { - int TC = synctex_test_setup_scanner_sheets_421(scanner); - synctex_node_p sheet = scanner->sheet; - synctex_node_p node = synctex_node_new(scanner,synctex_node_type_rule); - _synctex_data_set_tag(node,4); - _synctex_data_set_line(node,21); - synctex_node_free(_synctex_node_set_child(sheet,node)); - SYNCTEX_TEST_BODY(TC, node==synctex_node_child(sheet),""); - __synctex_node_make_friend_tlc(node); - SYNCTEX_TEST_BODY(TC, _synctex_scanner_friend(scanner, 25)==node,""); - sheet = __synctex_tree_sibling(sheet); - node = synctex_node_new(scanner,synctex_node_type_rule); - _synctex_data_set_tag(node,4); - _synctex_data_set_line(node,21); - synctex_node_free(_synctex_node_set_child(sheet,node)); - SYNCTEX_TEST_BODY(TC, node==synctex_node_child(sheet),""); - __synctex_node_make_friend_tlc(node); - SYNCTEX_TEST_BODY(TC, _synctex_scanner_friend(scanner, 25)==node,""); - sheet = __synctex_tree_sibling(sheet); - node = synctex_node_new(scanner,synctex_node_type_rule); - _synctex_data_set_tag(node,4); - _synctex_data_set_line(node,21); - synctex_node_free(_synctex_node_set_child(sheet,node)); - SYNCTEX_TEST_BODY(TC, node==synctex_node_child(sheet),""); - __synctex_node_make_friend_tlc(node); - SYNCTEX_TEST_BODY(TC, (_synctex_scanner_friend(scanner, 25)==node),""); - synctex_test_setup_scanner_input(scanner); - scanner->flags.has_parsed = synctex_YES; -#if 1 - SYNCTEX_TEST_BODY(TC, (synctex_display_query(scanner,"21",21,4,-1)==3),""); -#endif - return TC; -} -typedef struct { - int s; /* status */ - char n[25]; /* name */ -} synctex_test_sn_s; - -synctex_test_sn_s synctex_test_tmp_sn(char * content) { - synctex_test_sn_s sn = {0, "/tmp/test.XXXXXX.synctex"}; - FILE *sfp; - int fd = mkstemps(sn.n,8); - if (fd < 0) { - fprintf(stderr, "%s: %s\n", sn.n, strerror(errno)); - sn.s = -1; - return sn; - } - if ((sfp = fdopen(fd, "w+")) == NULL) { - unlink(sn.n); - close(fd); - fprintf(stderr, "%s: %s\n", sn.n, strerror(errno)); - sn.s = -2; - return sn; - } - sn.s = fputs(content,sfp); - printf("temp:%s\n%i\n",sn.n,sn.s); - fclose(sfp); - if (sn.s==0) { - sn.s = -2; - unlink(sn.n); - } - return sn; -} -int synctex_test_sheet_1() { - int TC = 0; - char * content = - "SyncTeX Version:1 \n" /*00-19*/ - "Input:1:./1.tex \n" /*20-39*/ - "Output:pdf \n" /*40-59*/ - "Magnification:100000000 \n" /*60-89*/ - "Unit:1 \n" /*90-99*/ - "X Offset:0 \n" /*00-19*/ - "Y Offset:0 \n" /*20-39*/ - "Content: \n" /*40-49*/ - "{1 \n" /*50-59*/ - "[1,10:20,350:330,330,0 \n" /*60-89*/ - "] \n" /*90-99*/ - "} \n" /*00-09*/ - "Postamble:\n"; - synctex_test_sn_s sn = synctex_test_tmp_sn(content); - if (sn.s>0) { - synctex_scanner_p scanner = synctex_scanner_new_with_output_file(sn.n, NULL, synctex_YES); - synctex_node_p node = synctex_scanner_handle(scanner); - printf("Created nodes:\n"); - while (node) { - printf("%s\n",_synctex_node_abstract(node)); - node = synctex_node_next(node); - } - synctex_scanner_free(scanner); - unlink(sn.n); - } else { - ++TC; - } - return TC; -} -int synctex_test_sheet_2() { - int TC = 0; - char * content = - "SyncTeX Version:1 \n" /*00-19*/ - "Input:1:./1.tex \n" /*20-39*/ - "Output:pdf \n" /*40-59*/ - "Magnification:100000000 \n" /*60-89*/ - "Unit:1 \n" /*90-99*/ - "X Offset:0 \n" /*00-19*/ - "Y Offset:0 \n" /*20-39*/ - "Content: \n" /*40-49*/ - "{1 \n" /*50-59*/ - "(1,10:20,350:330,330,0 \n" /*60-89*/ - ") \n" /*90-99*/ - "} \n" /*00-09*/ - "Postamble:\n"; - synctex_test_sn_s sn = synctex_test_tmp_sn(content); - if (sn.s>0) { - synctex_scanner_p scanner = synctex_scanner_new_with_output_file(sn.n, NULL, synctex_YES); - synctex_node_p node = synctex_scanner_handle(scanner); - printf("Created nodes:\n"); - while (node) { - printf("%s\n",_synctex_node_abstract(node)); - node = _synctex_node_next(node); - } - TC += synctex_scanner_free(scanner); - unlink(sn.n); - } else { - ++TC; - } - return TC; -} -int synctex_test_charindex() { - int TC = 0; - char * content = - "SyncTeX Version:1 \n" /*00-19*/ - "Input:1:./1.tex \n" /*20-39*/ - "Output:pdf \n" /*40-59*/ - "Magnification:100000000 \n" /*60-89*/ - "Unit:1 \n" /*90-99*/ - "X Offset:0 \n" /*00-19*/ - "Y Offset:0 \n" /*20-39*/ - "Content: \n" /*40-49*/ - "{1 \n" /*50-59*/ - "[1,10:20,350:330,330,0 \n" /*60-89*/ - "(1,58:20,100:250,10,5 \n" /*90-119*/ - "f1000:50,100 \n" /*20-39*/ - ") \n" /*40-49*/ - "] \n" /*50-59*/ - "} \n" /*60-69*/ - "Postamble:\n"; - synctex_test_sn_s sn = synctex_test_tmp_sn(content); - if (sn.s>0) { - synctex_scanner_p scanner = synctex_scanner_new_with_output_file(sn.n, NULL, synctex_YES); - synctex_node_p node = synctex_scanner_handle(scanner); - printf("Created nodes:\n"); - while (node) { - printf("%s\n",_synctex_node_abstract(node)); - node = synctex_node_next(node); - } - TC += synctex_scanner_free(scanner); - unlink(sn.n); - } else { - ++TC; - } - return TC; -} -int synctex_test_form() { - int TC = 0; - char * content = - "SyncTeX Version:1 \n" /*00-19*/ - "Input:1:./1.tex \n" /*20-39*/ - "Output:pdf \n" /*40-59*/ - "Magnification:100000000 \n" /*60-89*/ - "Unit:1 \n" /*90-99*/ - "X Offset:0 \n" /*00-19*/ - "Y Offset:0 \n" /*20-39*/ - "Content: \n" /*40-49*/ - "{1 \n" /*50-59*/ - "[1,10:20,350:330,330,0 \n" /*60-89*/ - "(1,58:20,100:250,10,5 \n" /*90-119*/ - "f1000:50,100 \n" /*20-39*/ - ") \n" /*40-49*/ - "] \n" /*50-59*/ - "} \n" /*60-69*/ - "<1000 \n" /*70-79*/ - "(1,63:0,0:100,8,3 \n" /*80-99*/ - ") \n" /*00-09*/ - "> \n" /*10-19*/ - "Postamble:\n"; - synctex_test_sn_s sn = synctex_test_tmp_sn(content); - if (sn.s>0) { - synctex_scanner_p scanner = synctex_scanner_new_with_output_file(sn.n, NULL, synctex_YES); - synctex_node_p node = synctex_scanner_handle(scanner); - while (node) { - printf("%s\n",_synctex_node_abstract(node)); - node = _synctex_node_next(node); - } - TC += synctex_scanner_free(scanner); - unlink(sn.n); - } else { - ++TC; - } - return TC; -} -#endif |