{
GObjectClass parent_class;
};
+
+typedef enum
+{
+ RARLABS,
+ GNAUNRAR,
+ UNZIP,
+ P7ZIP
+} ComicBookDecompressType;
struct _ComicsDocument
{
GObject parent_instance;
-
gchar *archive, *dir;
GSList *page_names;
gint n_pages;
gchar *selected_command;
- gchar *extract_command, *list_command;
- gboolean regex_arg, flag_temp, flag_FLOSS;
+ gchar *extract_command, *list_command, *decompress_tmp;
+ gboolean regex_arg;
+ gint offset;
+ ComicBookDecompressType command_usage;
};
-typedef struct _ComicsDocumentClass ComicsDocumentClass;
+#define OFFSET_7Z 53
+#define NO_OFFSET 0
+
+/* For perfomance reasons of 7z* we've choosen to decompress on the temporary
+ * directory instead of decompressing on the stdout */
+
+struct {
+ char *extract, *list, *decompress_tmp;
+ gboolean regex_arg;
+ gint offset;
+} command_usage_def[] = {
+ {"%s p -c- -ierr", "%s vb -c- -- %s", NULL , FALSE, NO_OFFSET},
+ {NULL , "%s t %s" , "%s -xf %s %s" , TRUE , NO_OFFSET},
+ {"%s -p -C" , "%s -Z -1 -- %s" , NULL , TRUE , NO_OFFSET},
+ {NULL , "%s l -- %s" , "%s x -y %s -o%s", FALSE, OFFSET_7Z}
+};
+
+
+typedef struct _ComicsDocumentClass ComicsDocumentClass;
static void comics_document_document_iface_init (EvDocumentIface *iface);
static void comics_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
GError **error)
{
gchar *quoted_file;
- gchar *command_decompress_tmp, *checksum;
+ ComicBookDecompressType type;
+ type = comics_document->command_usage;
quoted_file = g_shell_quote (comics_document->archive);
- /* RARLabs software */
- if (g_str_has_suffix (comics_document->selected_command, "unrar") &&
- !comics_document->flag_FLOSS) {
- comics_document->extract_command =
- g_strdup_printf ("%s p -c- -ierr",
- comics_document->selected_command);
- comics_document->list_command =
- g_strdup_printf ("%s vb -c- -- %s",
- comics_document->selected_command,
- quoted_file);
- comics_document->flag_temp = FALSE;
- comics_document->regex_arg = FALSE;
+ comics_document->extract_command =
+ g_strdup_printf (command_usage_def[type].extract,
+ comics_document->selected_command);
+ comics_document->list_command =
+ g_strdup_printf (command_usage_def[type].list,
+ comics_document->selected_command,
+ quoted_file);
+ comics_document->regex_arg = command_usage_def[type].regex_arg;
+ comics_document->offset = command_usage_def[type].offset;
+ if (command_usage_def[type].decompress_tmp) {
+ comics_document->dir = ev_tmp_directory (NULL);
+ comics_document->decompress_tmp =
+ g_strdup_printf (command_usage_def[type].decompress_tmp,
+ comics_document->selected_command,
+ quoted_file,
+ comics_document->dir);
g_free (quoted_file);
- return TRUE;
- }
-
- /* Gna! unrar */
- if (g_str_has_suffix (comics_document->selected_command, "unrar-free")||
- (g_str_has_suffix (comics_document->selected_command, "unrar") &&
- comics_document->flag_FLOSS)) {
-
- comics_document->flag_temp = TRUE;
-
- checksum =
- g_compute_checksum_for_string (G_CHECKSUM_MD5,
- comics_document->archive,
- -1);
- comics_document->dir = g_build_filename (ev_tmp_dir (),
- checksum, NULL);
- g_free (checksum);
/* unrar-free can't create directories so we do it on its
* behalf */
- if (g_mkdir_with_parents (comics_document->dir, 0700) != 0) {
- int errsv = errno;
- g_set_error (error,
- EV_DOCUMENT_ERROR,
- EV_DOCUMENT_ERROR_INVALID,
- _("Failed to create a temporary "
- "directory on “%s”: %s"),
- ev_tmp_dir (),
- g_strerror (errsv));
- g_free (quoted_file);
- comics_document->flag_temp = FALSE;
- g_free (comics_document->dir);
- return FALSE;
+ if (type == GNAUNRAR) {
+ if (g_mkdir_with_parents (comics_document->dir, 0700) !=
+ 0) {
+ int errsv = errno;
+ g_set_error (error,
+ EV_DOCUMENT_ERROR,
+ EV_DOCUMENT_ERROR_INVALID,
+ _("Failed to create a temporary "
+ "directory."));
+ g_warning ("Failed to create directory %s: %s",
+ comics_document->dir,
+ g_strerror (errsv));
+
+ return FALSE;
+ }
}
-
- command_decompress_tmp =
- g_strdup_printf ("%s -xf %s %s",
- comics_document->selected_command,
- quoted_file,
- comics_document->dir);
-
- if (!comics_decompress_temp_dir (command_decompress_tmp,
- comics_document->selected_command, error)){
- g_free (command_decompress_tmp);
- g_free (quoted_file);
+ if (!comics_decompress_temp_dir (comics_document->decompress_tmp,
+ comics_document->selected_command, error))
return FALSE;
- } else {
- comics_document->list_command =
- g_strdup_printf ("%s t %s",
- comics_document->selected_command,
- quoted_file);
- comics_document->regex_arg = TRUE;
- g_free (command_decompress_tmp);
- g_free (quoted_file);
+ else
return TRUE;
- }
- }
-
- /* InfoZIP's unzip */
- if (g_str_has_suffix (comics_document->selected_command,"unzip")) {
- comics_document->extract_command =
- g_strdup_printf ("%s -p -C",
- comics_document->selected_command);
- comics_document->list_command =
- g_strdup_printf ("%s -Z -1 -- %s",
- comics_document->selected_command,
- quoted_file);
- comics_document->flag_temp = FALSE;
- comics_document->regex_arg = TRUE;
- g_free (quoted_file);
- return TRUE;
- }
-
- /* p7zip */
- if (g_str_has_suffix (comics_document->selected_command,"7zr")) {
- comics_document->extract_command =
- g_strdup_printf ("%s x -so",
- comics_document->selected_command);
- comics_document->list_command =
- g_strdup_printf ("%s l -- %s",
- comics_document->selected_command,
- quoted_file);
- comics_document->flag_temp = FALSE;
- comics_document->regex_arg = TRUE;
+ } else {
g_free (quoted_file);
return TRUE;
}
-
- /* You are not supposed to get here ! */
- g_set_error_literal (error,
- EV_DOCUMENT_ERROR,
- EV_DOCUMENT_ERROR_INVALID,
- _("Internal error configuring the command for "
- "decompressing the comic book file"));
- g_free (quoted_file);
- return FALSE;
+
}
/* This function chooses an external command for decompressing a comic
if (!success) {
g_propagate_error (error, err);
g_error_free (err);
- return FALSE;
+ return FALSE;
/* I don't check retval status because RARLAB unrar
* doesn't have a way to return 0 without involving an
* operation with a file*/
} else if (WIFEXITED (retval)) {
if (g_strrstr (std_out,"freeware") != NULL)
/* The RARLAB freeware client */
- comics_document->flag_FLOSS = FALSE;
+ comics_document->command_usage = RARLABS;
else
/* The Gna! free software client */
- comics_document->flag_FLOSS = TRUE;
+ comics_document->command_usage = GNAUNRAR;
+
g_free (std_out);
g_free (std_err);
return TRUE;
/* The Gna! free software client with Debian naming convention */
comics_document->selected_command =
g_find_program_in_path ("unrar-free");
- if (comics_document->selected_command)
+ if (comics_document->selected_command) {
+ comics_document->command_usage = GNAUNRAR;
return TRUE;
+ }
+
} else if (!strcmp (mime_type, "application/x-cbz") ||
!strcmp (mime_type, "application/zip")) {
/* InfoZIP's unzip program */
comics_document->selected_command =
g_find_program_in_path ("unzip");
- if (comics_document->selected_command)
+ if (comics_document->selected_command) {
+ comics_document->command_usage = UNZIP;
return TRUE;
+ }
+
} else if (!strcmp (mime_type, "application/x-cb7") ||
!strcmp (mime_type, "application/x-7z-compressed")) {
- /* 7zr is a light stand-alone executable that supports only
- * 7z/LZMA/BCJ */
+ /* 7zr, 7za and 7z are the commands from the p7zip project able
+ * to decompress .7z files */
comics_document->selected_command =
g_find_program_in_path ("7zr");
- if (comics_document->selected_command)
+ if (comics_document->selected_command) {
+ comics_document->command_usage = P7ZIP;
+ return TRUE;
+ }
+ comics_document->selected_command =
+ g_find_program_in_path ("7za");
+ if (comics_document->selected_command) {
+ comics_document->command_usage = P7ZIP;
return TRUE;
+ }
+ comics_document->selected_command =
+ g_find_program_in_path ("7z");
+ if (comics_document->selected_command) {
+ comics_document->command_usage = P7ZIP;
+ return TRUE;
+ }
} else {
g_set_error (error,
EV_DOCUMENT_ERROR,
GSList *supported_extensions;
gchar *std_out;
gchar *mime_type;
- gchar **cbr_files;
+ gchar **cb_files, *cb_file;
gboolean success;
int i, retval;
GError *err = NULL;
}
/* FIXME: is this safe against filenames containing \n in the archive ? */
- cbr_files = g_strsplit (std_out, "\n", 0);
+ cb_files = g_strsplit (std_out, "\n", 0);
g_free (std_out);
- if (!cbr_files) {
+ if (!cb_files) {
g_set_error_literal (error,
EV_DOCUMENT_ERROR,
EV_DOCUMENT_ERROR_INVALID,
}
supported_extensions = get_supported_image_extensions ();
- for (i = 0; cbr_files[i] != NULL; i++) {
- gchar *suffix = g_strrstr (cbr_files[i], ".");
+ for (i = 0; cb_files[i] != NULL; i++) {
+ if (comics_document->offset != NO_OFFSET) {
+ if (g_utf8_strlen (cb_files[i],-1) >
+ comics_document->offset) {
+ cb_file =
+ g_utf8_offset_to_pointer (cb_files[i],
+ comics_document->offset);
+ } else {
+ continue;
+ }
+ } else {
+ cb_file = cb_files[i];
+ }
+ gchar *suffix = g_strrstr (cb_file, ".");
if (!suffix)
continue;
suffix = g_ascii_strdown (suffix + 1, -1);
-
if (g_slist_find_custom (supported_extensions, suffix,
(GCompareFunc) strcmp) != NULL) {
comics_document->page_names =
g_slist_insert_sorted (
comics_document->page_names,
- g_strdup (g_strstrip (cbr_files[i])),
+ g_strdup (g_strstrip (cb_file)),
(GCompareFunc) strcmp);
comics_document->n_pages++;
}
-
g_free (suffix);
}
-
- g_strfreev (cbr_files);
+ g_strfreev (cb_files);
g_slist_foreach (supported_extensions, (GFunc) g_free, NULL);
g_slist_free (supported_extensions);
uri);
return FALSE;
}
-
return TRUE;
}
gchar *filename;
ComicsDocument *comics_document = COMICS_DOCUMENT (document);
- if (!comics_document->flag_temp) {
-
+ if (!comics_document->decompress_tmp) {
argv = extract_argv (document, page->index);
success = g_spawn_async_with_pipes (NULL, argv, NULL,
G_SPAWN_SEARCH_PATH |
gchar *filename;
ComicsDocument *comics_document = COMICS_DOCUMENT (document);
- if (!comics_document->flag_temp) {
+ if (!comics_document->decompress_tmp) {
argv = extract_argv (document, rc->page->index);
success = g_spawn_async_with_pipes (NULL, argv, NULL,
G_SPAWN_SEARCH_PATH |
comics_document_finalize (GObject *object)
{
ComicsDocument *comics_document = COMICS_DOCUMENT (object);
-
- if (comics_document->flag_temp) {
+
+ if (comics_document->decompress_tmp) {
if (comics_remove_dir (comics_document->dir) == -1)
g_warning (_("There was an error deleting “%s”."),
comics_document->dir);
g_free (comics_document->dir);
+ g_remove (ev_tmp_dir ());
}
- if (comics_document->archive)
- g_free (comics_document->archive);
-
if (comics_document->page_names) {
g_slist_foreach (comics_document->page_names,
(GFunc) g_free, NULL);
g_slist_free (comics_document->page_names);
}
- if (comics_document->selected_command)
- g_free (comics_document->selected_command);
-
- if (comics_document->extract_command)
- g_free (comics_document->extract_command);
-
- if (comics_document->list_command)
- g_free (comics_document->list_command);
+ g_free (comics_document->archive);
+ g_free (comics_document->selected_command);
+ g_free (comics_document->extract_command);
+ g_free (comics_document->list_command);
G_OBJECT_CLASS (comics_document_parent_class)->finalize (object);
}
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff