initial

1 files changed, 409 insertions, 0 deletions

diff --git a/src/fr-command-lha.c b/src/fr-command-lha.c
new file mode 100644
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--- /dev/null
+++ b/src/fr-command-lha.c
@@ -0,0 +1,409 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/*
+ *  File-Roller
+ *
+ *  Copyright (C) 2001 The 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, write to the Free Software
+ *  Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include <glib.h>
+
+#include "file-data.h"
+#include "file-utils.h"
+#include "glib-utils.h"
+#include "fr-command.h"
+#include "fr-command-lha.h"
+
+static void fr_command_lha_class_init  (FrCommandLhaClass *class);
+static void fr_command_lha_init        (FrCommand         *afile);
+static void fr_command_lha_finalize    (GObject           *object);
+
+/* Parent Class */
+
+static FrCommandClass *parent_class = NULL;
+
+
+/* -- list -- */
+
+static time_t
+mktime_from_string (char *month,
+		    char *mday,
+		    char *time_or_year)
+{
+	static char  *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+				   "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+	struct tm     tm = {0, };
+	char        **fields;
+
+	tm.tm_isdst = -1;
+
+	/* date */
+
+	if (month != NULL) {
+		int i;
+		for (i = 0; i < 12; i++)
+			if (strcmp (months[i], month) == 0) {
+				tm.tm_mon = i;
+				break;
+			}
+	}
+	tm.tm_mday = atoi (mday);
+	if (strchr (time_or_year, ':') == NULL)
+		tm.tm_year = atoi (time_or_year) - 1900;
+	else {
+		time_t     now;
+		struct tm *tm_now;
+
+		now = time (NULL);
+		tm_now = localtime (&now);
+		if (tm_now != NULL)
+			tm.tm_year = tm_now->tm_year;
+
+		/* time */
+
+		fields = g_strsplit (time_or_year, ":", 2);
+		if (fields[0] != NULL) {
+			tm.tm_hour = atoi (fields[0]);
+			if (fields[1] != NULL)
+				tm.tm_min = atoi (fields[1]);
+		}
+		g_strfreev (fields);
+	}
+
+	return mktime (&tm);
+}
+
+
+static char **
+split_line_lha (char *line)
+{
+	char       **fields;
+	int          n_fields = 7;
+	const char  *scan, *field_end;
+	int          i;
+
+	fields = g_new0 (char *, n_fields + 1);
+	fields[n_fields] = NULL;
+
+	i = 0;
+
+	if (strncmp (line, "[MS-DOS]", 8) == 0) {
+		fields[i++] = g_strdup ("");
+		fields[i++] = g_strdup ("");
+		line += strlen ("[MS-DOS]");
+	}
+	else if (strncmp (line, "[generic]", 9) == 0) {
+		fields[i++] = g_strdup ("");
+		fields[i++] = g_strdup ("");
+		line += strlen ("[generic]");
+	}
+	else if (strncmp (line, "[unknown]", 9) == 0) {
+		fields[i++] = g_strdup ("");
+		fields[i++] = g_strdup ("");
+		line += strlen ("[unknown]");
+	}
+
+	scan = eat_spaces (line);
+	for (; i < n_fields; i++) {
+		field_end = strchr (scan, ' ');
+		if (field_end != NULL) {
+			fields[i] = g_strndup (scan, field_end - scan);
+			scan = eat_spaces (field_end);
+		}
+	}
+
+	return fields;
+}
+
+
+static const char *
+get_last_field_lha (char *line)
+{
+	int         i;
+	const char *field;
+	int         n = 7;
+
+	if (strncmp (line, "[MS-DOS]", 8) == 0)
+		n--;
+
+	if (strncmp (line, "[generic]", 9) == 0)
+		n--;
+
+	if (strncmp (line, "[unknown]", 9) == 0)
+		n--;
+
+	field = eat_spaces (line);
+	for (i = 0; i < n; i++) {
+		field = strchr (field, ' ');
+		field = eat_spaces (field);
+	}
+
+	return field;
+}
+
+
+static void
+process_line (char     *line,
+	      gpointer  data)
+{
+	FileData    *fdata;
+	FrCommand   *comm = FR_COMMAND (data);
+	char       **fields;
+	const char  *name_field;
+
+	g_return_if_fail (line != NULL);
+
+	fdata = file_data_new ();
+
+	fields = split_line_lha (line);
+	fdata->size = g_ascii_strtoull (fields[2], NULL, 10);
+	fdata->modified = mktime_from_string (fields[4],
+					      fields[5],
+					      fields[6]);
+	g_strfreev (fields);
+
+	/* Full path */
+
+	name_field = get_last_field_lha (line);
+
+	if (name_field && *name_field == '/') {
+		fdata->full_path = g_strdup (name_field);
+		fdata->original_path = fdata->full_path;
+	} else {
+		fdata->full_path = g_strconcat ("/", name_field, NULL);
+		fdata->original_path = fdata->full_path + 1;
+	}
+
+	fdata->link = NULL;
+
+	fdata->dir = line[0] == 'd';
+	if (fdata->dir)
+		fdata->name = dir_name_from_path (fdata->full_path);
+	else
+		fdata->name = g_strdup (file_name_from_path (fdata->full_path));
+
+	fdata->path = remove_level_from_path (fdata->full_path);
+
+	if (*fdata->name == 0)
+		file_data_free (fdata);
+	else
+		fr_command_add_file (comm, fdata);
+}
+
+
+static void
+fr_command_lha_list (FrCommand  *comm)
+{
+	fr_process_set_out_line_func (comm->process, process_line, comm);
+
+	fr_process_begin_command (comm->process, "lha");
+	fr_process_add_arg (comm->process, "lq");
+	fr_process_add_arg (comm->process, comm->filename);
+	fr_process_end_command (comm->process);
+	fr_process_start (comm->process);
+}
+
+
+static void
+fr_command_lha_add (FrCommand     *comm,
+		    const char    *from_file,
+		    GList         *file_list,
+		    const char    *base_dir,
+		    gboolean       update,
+		    gboolean       recursive)
+{
+	GList *scan;
+
+	fr_process_begin_command (comm->process, "lha");
+	if (base_dir != NULL)
+		fr_process_set_working_dir (comm->process, base_dir);
+	if (update)
+		fr_process_add_arg (comm->process, "u");
+	else
+		fr_process_add_arg (comm->process, "a");
+	fr_process_add_arg (comm->process, comm->filename);
+	for (scan = file_list; scan; scan = scan->next)
+		fr_process_add_arg (comm->process, scan->data);
+	fr_process_end_command (comm->process);
+}
+
+
+static void
+fr_command_lha_delete (FrCommand  *comm,
+		       const char *from_file,
+		       GList      *file_list)
+{
+	GList *scan;
+
+	fr_process_begin_command (comm->process, "lha");
+	fr_process_add_arg (comm->process, "d");
+	fr_process_add_arg (comm->process, comm->filename);
+	for (scan = file_list; scan; scan = scan->next)
+		fr_process_add_arg (comm->process, scan->data);
+	fr_process_end_command (comm->process);
+}
+
+
+static void
+fr_command_lha_extract (FrCommand  *comm,
+			const char *from_file,
+			GList      *file_list,
+			const char *dest_dir,
+			gboolean    overwrite,
+			gboolean    skip_older,
+			gboolean    junk_paths)
+{
+	GList *scan;
+	char   options[5];
+	int    i = 0;
+
+	fr_process_begin_command (comm->process, "lha");
+
+	if (dest_dir != NULL)
+		fr_process_set_working_dir (comm->process, dest_dir);
+
+	options[i++] = 'x';
+	options[i++] = 'f'; /* Always overwrite.
+			     * The overwrite option is handled in
+			     * fr_archive_extract,
+			     * this is because lha asks the user whether he
+			     * wants to overwrite a file. */
+
+	if (junk_paths)
+		options[i++] = 'i';
+
+	options[i++] = 0;
+	fr_process_add_arg (comm->process, options);
+	fr_process_add_arg (comm->process, comm->filename);
+
+	for (scan = file_list; scan; scan = scan->next)
+		fr_process_add_arg (comm->process, scan->data);
+
+	fr_process_end_command (comm->process);
+}
+
+
+const char *lha_mime_type[] = { "application/x-lha", NULL };
+
+
+const char **
+fr_command_lha_get_mime_types (FrCommand *comm)
+{
+	return lha_mime_type;
+}
+
+
+FrCommandCap
+fr_command_lha_get_capabilities (FrCommand  *comm,
+			         const char *mime_type,
+				 gboolean    check_command)
+{
+	FrCommandCap capabilities;
+
+	capabilities = FR_COMMAND_CAN_ARCHIVE_MANY_FILES;
+	if (is_program_available ("lha", check_command))
+		capabilities |= FR_COMMAND_CAN_READ_WRITE;
+
+	return capabilities;
+}
+
+
+static const char *
+fr_command_lha_get_packages (FrCommand  *comm,
+			     const char *mime_type)
+{
+	return PACKAGES ("lha");
+}
+
+
+static void
+fr_command_lha_class_init (FrCommandLhaClass *class)
+{
+        GObjectClass   *gobject_class = G_OBJECT_CLASS (class);
+        FrCommandClass *afc;
+
+        parent_class = g_type_class_peek_parent (class);
+	afc = (FrCommandClass*) class;
+
+	gobject_class->finalize = fr_command_lha_finalize;
+
+        afc->list             = fr_command_lha_list;
+	afc->add              = fr_command_lha_add;
+	afc->delete           = fr_command_lha_delete;
+	afc->extract          = fr_command_lha_extract;
+	afc->get_mime_types   = fr_command_lha_get_mime_types;
+	afc->get_capabilities = fr_command_lha_get_capabilities;
+	afc->get_packages     = fr_command_lha_get_packages;
+}
+
+
+static void
+fr_command_lha_init (FrCommand *comm)
+{
+	comm->propAddCanUpdate             = TRUE;
+	comm->propAddCanReplace            = TRUE;
+	comm->propAddCanStoreFolders       = TRUE;
+	comm->propExtractCanAvoidOverwrite = FALSE;
+	comm->propExtractCanSkipOlder      = FALSE;
+	comm->propExtractCanJunkPaths      = TRUE;
+	comm->propPassword                 = FALSE;
+	comm->propTest                     = FALSE;
+}
+
+
+static void
+fr_command_lha_finalize (GObject *object)
+{
+        g_return_if_fail (object != NULL);
+        g_return_if_fail (FR_IS_COMMAND_LHA (object));
+
+	 /* Chain up */
+        if (G_OBJECT_CLASS (parent_class)->finalize)
+		G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+
+GType
+fr_command_lha_get_type ()
+{
+        static GType type = 0;
+
+        if (! type) {
+                GTypeInfo type_info = {
+			sizeof (FrCommandLhaClass),
+			NULL,
+			NULL,
+			(GClassInitFunc) fr_command_lha_class_init,
+			NULL,
+			NULL,
+			sizeof (FrCommandLha),
+			0,
+			(GInstanceInitFunc) fr_command_lha_init
+		};
+
+		type = g_type_register_static (FR_TYPE_COMMAND,
+					       "FRCommandLha",
+					       &type_info,
+					       0);
+        }
+
+        return type;
+}