diff options
Diffstat (limited to 'src/fr-init.c')
| -rw-r--r-- | src/fr-init.c | 666 |
1 files changed, 666 insertions, 0 deletions
diff --git a/src/fr-init.c b/src/fr-init.c new file mode 100644 index 0000000..567cb19 --- /dev/null +++ b/src/fr-init.c @@ -0,0 +1,666 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ + +/* + * Engrampa + * + * Copyright (C) 2010 Free Software Foundation, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <config.h> +#include <glib/gi18n.h> +#include "file-data.h" +#include "file-utils.h" +#include "glib-utils.h" +#include "fr-command.h" +#include "fr-command-ace.h" +#include "fr-command-alz.h" +#include "fr-command-ar.h" +#include "fr-command-arj.h" +#include "fr-command-cfile.h" +#include "fr-command-cpio.h" +#include "fr-command-dpkg.h" +#include "fr-command-iso.h" +#include "fr-command-jar.h" +#include "fr-command-lha.h" +#include "fr-command-rar.h" +#include "fr-command-rpm.h" +#include "fr-command-tar.h" +#if HAVE_JSON_GLIB + #include "fr-command-unarchiver.h" +#endif +#include "fr-command-unstuff.h" +#include "fr-command-zip.h" +#include "fr-command-zoo.h" +#include "fr-command-7z.h" +#include "fr-command-lrzip.h" +#include "fr-init.h" +#include "fr-process.h" +#include "fr-stock.h" +#include "fr-window.h" +#include "typedefs.h" +#include "preferences.h" + + +/* The capabilities are computed automatically in + * compute_supported_archive_types() so it's correct to initialize to 0 here. */ +FrMimeTypeDescription mime_type_desc[] = { + { "application/x-7z-compressed", ".7z", N_("7-Zip (.7z)"), 0 }, + { "application/x-7z-compressed-tar", ".tar.7z", N_("Tar compressed with 7z (.tar.7z)"), 0 }, + { "application/x-ace", ".ace", N_("Ace (.ace)"), 0 }, + { "application/x-alz", ".alz", NULL, 0 }, + { "application/x-ar", ".ar", N_("Ar (.ar)"), 0 }, + { "application/x-arj", ".arj", N_("Arj (.arj)"), 0 }, + { "application/x-bzip", ".bz2", NULL, 0 }, + { "application/x-bzip-compressed-tar", ".tar.bz2", N_("Tar compressed with bzip2 (.tar.bz2)"), 0 }, + { "application/x-bzip1", ".bz", NULL, 0 }, + { "application/x-bzip1-compressed-tar", ".tar.bz", N_("Tar compressed with bzip (.tar.bz)"), 0 }, + { "application/vnd.ms-cab-compressed", ".cab", N_("Cabinet (.cab)"), 0 }, + { "application/x-cbr", ".cbr", N_("Rar Archived Comic Book (.cbr)"), 0 }, + { "application/x-cbz", ".cbz", N_("Zip Archived Comic Book (.cbz)"), 0 }, + { "application/x-cd-image", ".iso", NULL, 0 }, + { "application/x-compress", ".Z", NULL, 0 }, + { "application/x-compressed-tar", ".tar.gz", N_("Tar compressed with gzip (.tar.gz)"), 0 }, + { "application/x-cpio", ".cpio", NULL, 0 }, + { "application/x-deb", ".deb", NULL, 0 }, + { "application/x-ear", ".ear", N_("Ear (.ear)"), 0 }, + { "application/x-ms-dos-executable", ".exe", N_("Self-extracting zip (.exe)"), 0 }, + { "application/x-gzip", ".gz", NULL, 0 }, + { "application/x-java-archive", ".jar", N_("Jar (.jar)"), 0 }, + { "application/x-lha", ".lzh", N_("Lha (.lzh)"), 0 }, + { "application/x-lrzip", ".lrz", N_("Lrzip (.lrz)"), 0}, + { "application/x-lrzip-compressed-tar", ".tar.lrz", N_("Tar compressed with lrzip (.tar.lrz)"), 0 }, + { "application/x-lzip", ".lz", NULL, 0 }, + { "application/x-lzip-compressed-tar", ".tar.lz", N_("Tar compressed with lzip (.tar.lz)"), 0 }, + { "application/x-lzma", ".lzma", NULL, 0 }, + { "application/x-lzma-compressed-tar", ".tar.lzma", N_("Tar compressed with lzma (.tar.lzma)"), 0 }, + { "application/x-lzop", ".lzo", NULL, 0 }, + { "application/x-lzop-compressed-tar", ".tar.lzo", N_("Tar compressed with lzop (.tar.lzo)"), 0 }, + { "application/x-ms-wim", ".wim", N_("Windows Imaging Format (.wim)"), 0 }, + { "application/x-rar", ".rar", N_("Rar (.rar)"), 0 }, + { "application/x-rpm", ".rpm", NULL, 0 }, + { "application/x-rzip", ".rz", NULL, 0 }, + { "application/x-tar", ".tar", N_("Tar uncompressed (.tar)"), 0 }, + { "application/x-tarz", ".tar.Z", N_("Tar compressed with compress (.tar.Z)"), 0 }, + { "application/x-stuffit", ".sit", NULL, 0 }, + { "application/x-war", ".war", N_("War (.war)"), 0 }, + { "application/x-xz", ".xz", N_("Xz (.xz)"), 0 }, + { "application/x-xz-compressed-tar", ".tar.xz", N_("Tar compressed with xz (.tar.xz)"), 0 }, + { "application/x-zoo", ".zoo", N_("Zoo (.zoo)"), 0 }, + { "application/zip", ".zip", N_("Zip (.zip)"), 0 }, + { NULL, NULL, NULL, 0 } +}; + +FrExtensionType file_ext_type[] = { + { ".7z", "application/x-7z-compressed" }, + { ".ace", "application/x-ace" }, + { ".alz", "application/x-alz" }, + { ".ar", "application/x-ar" }, + { ".arj", "application/x-arj" }, + { ".bin", "application/x-stuffit" }, + { ".bz", "application/x-bzip" }, + { ".bz2", "application/x-bzip" }, + { ".cab", "application/vnd.ms-cab-compressed" }, + { ".cbr", "application/x-cbr" }, + { ".cbz", "application/x-cbz" }, + { ".cpio", "application/x-cpio" }, + { ".deb", "application/x-deb" }, + { ".ear", "application/x-ear" }, + { ".exe", "application/x-ms-dos-executable" }, + { ".gz", "application/x-gzip" }, + { ".iso", "application/x-cd-image" }, + { ".jar", "application/x-java-archive" }, + { ".lha", "application/x-lha" }, + { ".lrz", "application/x-lrzip" }, + { ".lzh", "application/x-lha" }, + { ".lz", "application/x-lzip" }, + { ".lzma", "application/x-lzma" }, + { ".lzo", "application/x-lzop" }, + { ".rar", "application/x-rar" }, + { ".rpm", "application/x-rpm" }, + { ".rz", "application/x-rzip" }, + { ".sit", "application/x-stuffit" }, + { ".swm", "application/x-ms-wim" }, + { ".tar", "application/x-tar" }, + { ".tar.bz", "application/x-bzip-compressed-tar" }, + { ".tar.bz2", "application/x-bzip-compressed-tar" }, + { ".tar.gz", "application/x-compressed-tar" }, + { ".tar.lrz", "application/x-lrzip-compressed-tar" }, + { ".tar.lz", "application/x-lzip-compressed-tar" }, + { ".tar.lzma", "application/x-lzma-compressed-tar" }, + { ".tar.lzo", "application/x-lzop-compressed-tar" }, + { ".tar.7z", "application/x-7z-compressed-tar" }, + { ".tar.xz", "application/x-xz-compressed-tar" }, + { ".tar.Z", "application/x-tarz" }, + { ".taz", "application/x-tarz" }, + { ".tbz", "application/x-bzip-compressed-tar" }, + { ".tbz2", "application/x-bzip-compressed-tar" }, + { ".tgz", "application/x-compressed-tar" }, + { ".txz", "application/x-xz-compressed-tar" }, + { ".tlz", "application/x-lzip-compressed-tar" }, + { ".tzma", "application/x-lzma-compressed-tar" }, + { ".tzo", "application/x-lzop-compressed-tar" }, + { ".war", "application/x-war" }, + { ".wim", "application/x-ms-wim" }, + { ".xz", "application/x-xz" }, + { ".z", "application/x-gzip" }, + { ".Z", "application/x-compress" }, + { ".zip", "application/zip" }, + { ".zoo", "application/x-zoo" }, + { NULL, NULL } +}; + + +GList *WindowList; +GList *CommandList; +gint ForceDirectoryCreation; +GHashTable *ProgramsCache; +GPtrArray *Registered_Commands; +int single_file_save_type[64]; +int save_type[64]; +int open_type[64]; +int create_type[64]; + + +static void +migrate_options_directory (void) +{ + char *old_directory_path; + GFile *old_directory; + GFile *new_directory; + + old_directory_path = get_home_relative_path (".config/mate/engrampa/options"); + old_directory = g_file_new_for_path (old_directory_path); + new_directory = get_user_config_subdirectory (ADD_FOLDER_OPTIONS_DIR, FALSE); + if (g_file_query_exists (old_directory, NULL) && ! g_file_query_exists (new_directory, NULL)) { + GFile *parent; + + parent = g_file_get_parent (new_directory); + if (make_directory_tree (parent, 0700, NULL)) + g_file_move (old_directory, new_directory, 0, NULL, NULL, NULL, NULL); + + g_object_unref (parent); + } + + g_object_unref (new_directory); + g_object_unref (old_directory); + g_free (old_directory_path); +} + + +/* -- FrRegisteredCommand -- */ + + +FrRegisteredCommand * +fr_registered_command_new (GType command_type) +{ + FrRegisteredCommand *reg_com; + FrCommand *command; + const char **mime_types; + int i; + + reg_com = g_new0 (FrRegisteredCommand, 1); + reg_com->ref = 1; + reg_com->type = command_type; + reg_com->caps = g_ptr_array_new (); + reg_com->packages = g_ptr_array_new (); + + command = (FrCommand*) g_object_new (reg_com->type, NULL); + mime_types = fr_command_get_mime_types (command); + for (i = 0; mime_types[i] != NULL; i++) { + const char *mime_type; + FrMimeTypeCap *cap; + FrMimeTypePackages *packages; + + mime_type = get_static_string (mime_types[i]); + + cap = g_new0 (FrMimeTypeCap, 1); + cap->mime_type = mime_type; + cap->current_capabilities = fr_command_get_capabilities (command, mime_type, TRUE); + cap->potential_capabilities = fr_command_get_capabilities (command, mime_type, FALSE); + g_ptr_array_add (reg_com->caps, cap); + + packages = g_new0 (FrMimeTypePackages, 1); + packages->mime_type = mime_type; + packages->packages = fr_command_get_packages (command, mime_type); + g_ptr_array_add (reg_com->packages, packages); + } + + g_object_unref (command); + + return reg_com; +} + + +void +fr_registered_command_ref (FrRegisteredCommand *reg_com) +{ + reg_com->ref++; +} + + +void +fr_registered_command_unref (FrRegisteredCommand *reg_com) +{ + if (--(reg_com->ref) != 0) + return; + + g_ptr_array_foreach (reg_com->caps, (GFunc) g_free, NULL); + g_ptr_array_free (reg_com->caps, TRUE); + g_free (reg_com); +} + + +FrCommandCaps +fr_registered_command_get_capabilities (FrRegisteredCommand *reg_com, + const char *mime_type) +{ + int i; + + for (i = 0; i < reg_com->caps->len; i++) { + FrMimeTypeCap *cap; + + cap = g_ptr_array_index (reg_com->caps, i); + if (strcmp (mime_type, cap->mime_type) == 0) + return cap->current_capabilities; + } + + return FR_COMMAND_CAN_DO_NOTHING; +} + + +FrCommandCaps +fr_registered_command_get_potential_capabilities (FrRegisteredCommand *reg_com, + const char *mime_type) +{ + int i; + + if (mime_type == NULL) + return FR_COMMAND_CAN_DO_NOTHING; + + for (i = 0; i < reg_com->caps->len; i++) { + FrMimeTypeCap *cap; + + cap = g_ptr_array_index (reg_com->caps, i); + if ((cap->mime_type != NULL) && (strcmp (mime_type, cap->mime_type) == 0)) + return cap->potential_capabilities; + } + + return FR_COMMAND_CAN_DO_NOTHING; +} + + +void +register_command (GType command_type) +{ + if (Registered_Commands == NULL) + Registered_Commands = g_ptr_array_sized_new (5); + g_ptr_array_add (Registered_Commands, fr_registered_command_new (command_type)); +} + + +gboolean +unregister_command (GType command_type) +{ + int i; + + for (i = 0; i < Registered_Commands->len; i++) { + FrRegisteredCommand *command; + + command = g_ptr_array_index (Registered_Commands, i); + if (command->type == command_type) { + g_ptr_array_remove_index (Registered_Commands, i); + fr_registered_command_unref (command); + return TRUE; + } + } + + return FALSE; +} + + +static void +register_commands (void) +{ + /* The order here is important. Commands registered earlier have higher + * priority. However commands that can read and write a file format + * have higher priority over commands that can only read the same + * format, regardless of the registration order. */ + + register_command (FR_TYPE_COMMAND_TAR); + register_command (FR_TYPE_COMMAND_CFILE); + register_command (FR_TYPE_COMMAND_7Z); + register_command (FR_TYPE_COMMAND_DPKG); + + register_command (FR_TYPE_COMMAND_ACE); + register_command (FR_TYPE_COMMAND_ALZ); + register_command (FR_TYPE_COMMAND_AR); + register_command (FR_TYPE_COMMAND_ARJ); + register_command (FR_TYPE_COMMAND_CPIO); + register_command (FR_TYPE_COMMAND_ISO); + register_command (FR_TYPE_COMMAND_JAR); + register_command (FR_TYPE_COMMAND_LHA); + register_command (FR_TYPE_COMMAND_RAR); + register_command (FR_TYPE_COMMAND_RPM); + register_command (FR_TYPE_COMMAND_UNSTUFF); + register_command (FR_TYPE_COMMAND_ZIP); + register_command (FR_TYPE_COMMAND_LRZIP); + register_command (FR_TYPE_COMMAND_ZOO); +#if HAVE_JSON_GLIB + register_command (FR_TYPE_COMMAND_UNARCHIVER); +#endif +} + + +GType +get_command_type_from_mime_type (const char *mime_type, + FrCommandCaps requested_capabilities) +{ + int i; + + if (mime_type == NULL) + return 0; + + for (i = 0; i < Registered_Commands->len; i++) { + FrRegisteredCommand *command; + FrCommandCaps capabilities; + + command = g_ptr_array_index (Registered_Commands, i); + capabilities = fr_registered_command_get_capabilities (command, mime_type); + + /* the command must support all the requested capabilities */ + if (((capabilities ^ requested_capabilities) & requested_capabilities) == 0) + return command->type; + } + + return 0; +} + + +GType +get_preferred_command_for_mime_type (const char *mime_type, + FrCommandCaps requested_capabilities) +{ + int i; + + for (i = 0; i < Registered_Commands->len; i++) { + FrRegisteredCommand *command; + FrCommandCaps capabilities; + + command = g_ptr_array_index (Registered_Commands, i); + capabilities = fr_registered_command_get_potential_capabilities (command, mime_type); + + /* the command must support all the requested capabilities */ + if (((capabilities ^ requested_capabilities) & requested_capabilities) == 0) + return command->type; + } + + return 0; +} + + +void +update_registered_commands_capabilities (void) +{ + int i; + + g_hash_table_remove_all (ProgramsCache); + + for (i = 0; i < Registered_Commands->len; i++) { + FrRegisteredCommand *reg_com; + FrCommand *command; + int j; + + reg_com = g_ptr_array_index (Registered_Commands, i); + command = (FrCommand*) g_object_new (reg_com->type, NULL); + for (j = 0; j < reg_com->caps->len; j++) { + FrMimeTypeCap *cap = g_ptr_array_index (reg_com->caps, j); + + cap->current_capabilities = fr_command_get_capabilities (command, cap->mime_type, TRUE); + cap->potential_capabilities = fr_command_get_capabilities (command, cap->mime_type, FALSE); + } + + g_object_unref (command); + } +} + + +const char * +get_mime_type_from_extension (const char *ext) +{ + int i; + + if (ext == NULL) + return NULL; + + for (i = G_N_ELEMENTS (file_ext_type) - 1; i >= 0; i--) { + if (file_ext_type[i].ext == NULL) + continue; + if (strcasecmp (ext, file_ext_type[i].ext) == 0) + return get_static_string (file_ext_type[i].mime_type); + } + + return NULL; +} + + +const char * +get_archive_filename_extension (const char *filename) +{ + const char *ext; + int i; + + if (filename == NULL) + return NULL; + + ext = get_file_extension (filename); + if (ext == NULL) + return NULL; + + for (i = G_N_ELEMENTS (file_ext_type) - 1; i >= 0; i--) { + if (file_ext_type[i].ext == NULL) + continue; + if (strcasecmp (ext, file_ext_type[i].ext) == 0) + return ext; + } + + return NULL; +} + + +int +get_mime_type_index (const char *mime_type) +{ + int i; + + for (i = 0; mime_type_desc[i].mime_type != NULL; i++) + if (strcmp (mime_type_desc[i].mime_type, mime_type) == 0) + return i; + return -1; +} + + +static void +add_if_non_present (int *a, + int *n, + int o) +{ + int i; + + for (i = 0; i < *n; i++) { + if (a[i] == o) + return; + } + a[*n] = o; + *n = *n + 1; +} + + +static int +cmp_mime_type_by_extension (const void *p1, + const void *p2) +{ + int i1 = * (int*) p1; + int i2 = * (int*) p2; + + return strcmp (mime_type_desc[i1].default_ext, mime_type_desc[i2].default_ext); +} + + +static int +cmp_mime_type_by_description (const void *p1, + const void *p2) +{ + int i1 = * (int*) p1; + int i2 = * (int*) p2; + + return g_utf8_collate (_(mime_type_desc[i1].name), _(mime_type_desc[i2].name)); +} + + +static void +sort_mime_types (int *a, + int(*compar)(const void *, const void *)) +{ + int n = 0; + + while (a[n] != -1) + n++; + qsort (a, n, sizeof (int), compar); +} + + +void +sort_mime_types_by_extension (int *a) +{ + sort_mime_types (a, cmp_mime_type_by_extension); +} + + +void +sort_mime_types_by_description (int *a) +{ + sort_mime_types (a, cmp_mime_type_by_description); +} + + +static void +compute_supported_archive_types (void) +{ + int sf_i = 0, s_i = 0, o_i = 0, c_i = 0; + int i; + + for (i = 0; i < Registered_Commands->len; i++) { + FrRegisteredCommand *reg_com; + int j; + + reg_com = g_ptr_array_index (Registered_Commands, i); + for (j = 0; j < reg_com->caps->len; j++) { + FrMimeTypeCap *cap; + int idx; + + cap = g_ptr_array_index (reg_com->caps, j); + idx = get_mime_type_index (cap->mime_type); + if (idx < 0) { + g_warning ("mime type not recognized: %s", cap->mime_type); + continue; + } + mime_type_desc[idx].capabilities |= cap->current_capabilities; + if (cap->current_capabilities & FR_COMMAND_CAN_READ) + add_if_non_present (open_type, &o_i, idx); + if (cap->current_capabilities & FR_COMMAND_CAN_WRITE) { + if (cap->current_capabilities & FR_COMMAND_CAN_ARCHIVE_MANY_FILES) { + add_if_non_present (save_type, &s_i, idx); + if (cap->current_capabilities & FR_COMMAND_CAN_WRITE) + add_if_non_present (create_type, &c_i, idx); + } + add_if_non_present (single_file_save_type, &sf_i, idx); + } + } + } + + open_type[o_i] = -1; + save_type[s_i] = -1; + single_file_save_type[sf_i] = -1; + create_type[c_i] = -1; +} + + +static initialized = FALSE; + + +void +initialize_data (void) +{ + if (initialized) + return; + initialized = TRUE; + + ProgramsCache = g_hash_table_new_full (g_str_hash, + g_str_equal, + g_free, + NULL); + + migrate_options_directory (); + register_commands (); + compute_supported_archive_types (); + + fr_stock_init (); +} + + +static void +command_done (CommandData *cdata) +{ + if (cdata == NULL) + return; + + if ((cdata->temp_dir != NULL) && path_is_dir (cdata->temp_dir)) { + char *argv[4]; + + argv[0] = "rm"; + argv[1] = "-rf"; + argv[2] = cdata->temp_dir; + argv[3] = NULL; + g_spawn_sync (g_get_tmp_dir (), argv, NULL, + G_SPAWN_SEARCH_PATH, + NULL, NULL, + NULL, NULL, NULL, + NULL); + } + + g_free (cdata->command); + if (cdata->app != NULL) + g_object_unref (cdata->app); + path_list_free (cdata->file_list); + g_free (cdata->temp_dir); + if (cdata->process != NULL) + g_object_unref (cdata->process); + + CommandList = g_list_remove (CommandList, cdata); + g_free (cdata); +} + + +void +release_data (void) +{ + g_hash_table_destroy (ProgramsCache); + + while (CommandList != NULL) { + CommandData *cdata = CommandList->data; + command_done (cdata); + } +} |