/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
/*
+ * Copyright (C) 2009-2010 Juanjo Marín <juanj.marin@juntadeandalucia.es>
* Copyright (C) 2005, Teemu Tervo <teemu.tervo@gmx.net>
*
* This program is free software; you can redistribute it and/or modify
*
* 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 Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
-#include "config.h"
-
#include <config.h>
+
#include <unistd.h>
#include <string.h>
-#include <glib/gi18n.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include <glib.h>
+#include <glib/gi18n-lib.h>
+#include <glib/gstdio.h>
#include <gio/gio.h>
+#ifdef G_OS_WIN32
+# define WIFEXITED(x) ((x) != 3)
+# define WEXITSTATUS(x) (x)
+#else
+# include <sys/wait.h>
+#endif
+
#include "comics-document.h"
#include "ev-document-misc.h"
#include "ev-document-thumbnails.h"
#include "ev-file-helpers.h"
+#ifdef G_OS_WIN32
+/* On windows g_spawn_command_line_sync reads stdout in O_BINARY mode, not in O_TEXT mode.
+ * As a consequence, newlines are in a platform dependent representation (\r\n). This
+ * might be considered a bug in glib.
+ */
+#define EV_EOL "\r\n"
+#else
+#define EV_EOL "\n"
+#endif
+
+typedef enum
+{
+ RARLABS,
+ GNAUNRAR,
+ UNZIP,
+ P7ZIP,
+ TAR
+} ComicBookDecompressType;
+
+typedef struct _ComicsDocumentClass ComicsDocumentClass;
+
struct _ComicsDocumentClass
{
- GObjectClass parent_class;
+ EvDocumentClass parent_class;
};
struct _ComicsDocument
{
- GObject parent_instance;
+ EvDocument parent_instance;
- gchar *archive;
- GSList *page_names;
- int n_pages;
- char *extract_command;
+ gchar *archive, *dir;
+ GPtrArray *page_names;
+ gchar *selected_command, *alternative_command;
+ gchar *extract_command, *list_command, *decompress_tmp;
gboolean regex_arg;
+ gint offset;
+ ComicBookDecompressType command_usage;
};
-typedef struct _ComicsDocumentClass ComicsDocumentClass;
+#define OFFSET_7Z 53
+#define OFFSET_ZIP 2
+#define NO_OFFSET 0
+
+/* For perfomance reasons of 7z* we've choosen to decompress on the temporary
+ * directory instead of decompressing on the stdout */
+
+/**
+ * @extract: command line arguments to pass to extract a file from the archive
+ * to stdout.
+ * @list: command line arguments to list the archive contents
+ * @decompress_tmp: command line arguments to pass to extract the archive
+ * into a directory.
+ * @regex_arg: whether the command can accept regex expressions
+ * @offset: the position offset of the filename on each line in the output of
+ * running the @list command
+ */
+typedef struct {
+ char *extract;
+ char *list;
+ char *decompress_tmp;
+ gboolean regex_arg;
+ gint offset;
+} ComicBookDecompressCommand;
+
+static const ComicBookDecompressCommand command_usage_def[] = {
+ /* RARLABS unrar */
+ {"%s p -c- -ierr --", "%s vb -c- -- %s", NULL , FALSE, NO_OFFSET},
+
+ /* GNA! unrar */
+ {NULL , "%s t %s" , "%s -xf %s %s" , FALSE, NO_OFFSET},
+
+ /* unzip */
+ {"%s -p -C --" , "%s %s" , NULL , TRUE , OFFSET_ZIP},
+
+ /* 7zip */
+ {NULL , "%s l -- %s" , "%s x -y %s -o%s", FALSE, OFFSET_7Z},
+
+ /* tar */
+ {"%s -xOf" , "%s -tf %s" , NULL , FALSE, NO_OFFSET}
+};
-static void comics_document_document_iface_init (EvDocumentIface *iface);
-static void comics_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
+static void comics_document_document_thumbnails_iface_init (EvDocumentThumbnailsInterface *iface);
static GSList* get_supported_image_extensions (void);
static void get_page_size_area_prepared_cb (GdkPixbufLoader *loader,
comics_document_document_thumbnails_iface_init);
} );
-static char *
-comics_regex_quote (const char *s)
+/**
+ * comics_regex_quote:
+ * @unquoted_string: a literal string
+ *
+ * Quotes a string so unzip will not interpret the regex expressions of
+ * @unquoted_string. Basically, this functions uses [] to disable regex
+ * expressions. The return value must be freed with * g_free()
+ *
+ * Return value: quoted and disabled-regex string
+ **/
+static gchar *
+comics_regex_quote (const gchar *unquoted_string)
+{
+ const gchar *p;
+ GString *dest;
+
+ dest = g_string_new ("'");
+
+ p = unquoted_string;
+
+ while (*p) {
+ switch (*p) {
+ /* * matches a sequence of 0 or more characters */
+ case ('*'):
+ /* ? matches exactly 1 charactere */
+ case ('?'):
+ /* [...] matches any single character found inside
+ * the brackets. Disabling the first bracket is enough.
+ */
+ case ('['):
+ g_string_append (dest, "[");
+ g_string_append_c (dest, *p);
+ g_string_append (dest, "]");
+ break;
+ /* Because \ escapes regex expressions that we are
+ * disabling for unzip, we need to disable \ too */
+ case ('\\'):
+ g_string_append (dest, "[\\\\]");
+ break;
+ /* Escape single quote inside the string */
+ case ('\''):
+ g_string_append (dest, "'\\''");
+ break;
+ default:
+ g_string_append_c (dest, *p);
+ break;
+ }
+ ++p;
+ }
+ g_string_append_c (dest, '\'');
+ return g_string_free (dest, FALSE);
+}
+
+
+/* This function manages the command for decompressing a comic book */
+static gboolean
+comics_decompress_temp_dir (const gchar *command_decompress_tmp,
+ const gchar *command,
+ GError **error)
+{
+ gboolean success;
+ gchar *std_out, *basename;
+ GError *err = NULL;
+ gint retval;
+
+ success = g_spawn_command_line_sync (command_decompress_tmp, &std_out,
+ NULL, &retval, &err);
+ basename = g_path_get_basename (command);
+ if (!success) {
+ g_set_error (error,
+ EV_DOCUMENT_ERROR,
+ EV_DOCUMENT_ERROR_INVALID,
+ _("Error launching the command “%s” in order to "
+ "decompress the comic book: %s"),
+ basename,
+ err->message);
+ g_error_free (err);
+ } else if (WIFEXITED (retval)) {
+ if (WEXITSTATUS (retval) == EXIT_SUCCESS) {
+ g_free (std_out);
+ g_free (basename);
+ return TRUE;
+ } else {
+ g_set_error (error,
+ EV_DOCUMENT_ERROR,
+ EV_DOCUMENT_ERROR_INVALID,
+ _("The command “%s” failed at "
+ "decompressing the comic book."),
+ basename);
+ g_free (std_out);
+ }
+ } else {
+ g_set_error (error,
+ EV_DOCUMENT_ERROR,
+ EV_DOCUMENT_ERROR_INVALID,
+ _("The command “%s” did not end normally."),
+ basename);
+ g_free (std_out);
+ }
+ g_free (basename);
+ return FALSE;
+}
+
+/* This function shows how to use the choosen command for decompressing a
+ * comic book file. It modifies fields of the ComicsDocument struct with
+ * this information */
+static gboolean
+comics_generate_command_lines (ComicsDocument *comics_document,
+ GError **error)
+{
+ gchar *quoted_file, *quoted_file_aux;
+ gchar *quoted_command;
+ ComicBookDecompressType type;
+
+ type = comics_document->command_usage;
+ comics_document->regex_arg = command_usage_def[type].regex_arg;
+ quoted_command = g_shell_quote (comics_document->selected_command);
+ if (comics_document->regex_arg) {
+ quoted_file = comics_regex_quote (comics_document->archive);
+ quoted_file_aux = g_shell_quote (comics_document->archive);
+ comics_document->list_command =
+ g_strdup_printf (command_usage_def[type].list,
+ comics_document->alternative_command,
+ quoted_file_aux);
+ g_free (quoted_file_aux);
+ } else {
+ quoted_file = g_shell_quote (comics_document->archive);
+ comics_document->list_command =
+ g_strdup_printf (command_usage_def[type].list,
+ quoted_command, quoted_file);
+ }
+ comics_document->extract_command =
+ g_strdup_printf (command_usage_def[type].extract,
+ quoted_command);
+ comics_document->offset = command_usage_def[type].offset;
+ if (command_usage_def[type].decompress_tmp) {
+ comics_document->dir = ev_mkdtemp ("evince-comics-XXXXXX", error);
+ if (comics_document->dir == NULL)
+ return FALSE;
+
+ /* unrar-free can't create directories, but ev_mkdtemp already created the dir */
+
+ comics_document->decompress_tmp =
+ g_strdup_printf (command_usage_def[type].decompress_tmp,
+ quoted_command, quoted_file,
+ comics_document->dir);
+ g_free (quoted_file);
+ g_free (quoted_command);
+
+ if (!comics_decompress_temp_dir (comics_document->decompress_tmp,
+ comics_document->selected_command, error))
+ return FALSE;
+ else
+ return TRUE;
+ } else {
+ g_free (quoted_file);
+ g_free (quoted_command);
+ return TRUE;
+ }
+
+}
+
+/* This function chooses an external command for decompressing a comic
+ * book based on its mime tipe. */
+static gboolean
+comics_check_decompress_command (gchar *mime_type,
+ ComicsDocument *comics_document,
+ GError **error)
{
- char *ret, *d;
-
- d = ret = g_malloc (strlen (s) * 4 + 3);
-
- *d++ = '\'';
-
- for (; *s; s++, d++) {
- switch (*s) {
- case '?':
- case '|':
- case '[':
- case ']':
- case '*':
- case '\\':
- *d++ = '\\';
- break;
- case '\'':
- *d++ = '\'';
- *d++ = '\\';
- *d++ = '\'';
- break;
+ gboolean success;
+ gchar *std_out, *std_err;
+ gint retval;
+ GError *err = NULL;
+
+ /* FIXME, use proper cbr/cbz mime types once they're
+ * included in shared-mime-info */
+
+ if (!strcmp (mime_type, "application/x-cbr") ||
+ !strcmp (mime_type, "application/x-rar")) {
+ /* The RARLAB provides a no-charge proprietary (freeware)
+ * decompress-only client for Linux called unrar. Another
+ * option is a GPLv2-licensed command-line tool developed by
+ * the Gna! project. Confusingly enough, the free software RAR
+ * decoder is also named unrar. For this reason we need to add
+ * some lines for disambiguation. Sorry for the added the
+ * complexity but it's life :)
+ * Finally, some distributions, like Debian, rename this free
+ * option as unrar-free.
+ * */
+ comics_document->selected_command =
+ g_find_program_in_path ("unrar");
+ if (comics_document->selected_command) {
+ /* We only use std_err to avoid printing useless error
+ * messages on the terminal */
+ success =
+ g_spawn_command_line_sync (
+ comics_document->selected_command,
+ &std_out, &std_err,
+ &retval, &err);
+ if (!success) {
+ g_propagate_error (error, err);
+ g_error_free (err);
+ 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->command_usage = RARLABS;
+ else
+ /* The Gna! free software client */
+ 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) {
+ 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");
+ comics_document->alternative_command =
+ g_find_program_in_path ("zipnote");
+ if (comics_document->selected_command &&
+ comics_document->alternative_command) {
+ comics_document->command_usage = UNZIP;
+ return TRUE;
+ }
+
+ } else if (!strcmp (mime_type, "application/x-cb7") ||
+ !strcmp (mime_type, "application/x-7z-compressed")) {
+ /* 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) {
+ 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 if (!strcmp (mime_type, "application/x-cbt") ||
+ !strcmp (mime_type, "application/x-tar")) {
+ /* tar utility (Tape ARchive) */
+ comics_document->selected_command =
+ g_find_program_in_path ("tar");
+ if (comics_document->selected_command) {
+ comics_document->command_usage = TAR;
+ return TRUE;
+ }
+ } else {
+ g_set_error (error,
+ EV_DOCUMENT_ERROR,
+ EV_DOCUMENT_ERROR_INVALID,
+ _("Not a comic book MIME type: %s"),
+ mime_type);
+ return FALSE;
}
- *d = *s;
- }
-
- *d++ = '\'';
- *d = '\0';
+ g_set_error_literal (error,
+ EV_DOCUMENT_ERROR,
+ EV_DOCUMENT_ERROR_INVALID,
+ _("Can't find an appropriate command to "
+ "decompress this type of comic book"));
+ return FALSE;
+}
- return ret;
+static int
+sort_page_names (gconstpointer a,
+ gconstpointer b)
+{
+ return strcmp (* (const char **) a, * (const char **) b);
}
static gboolean
{
ComicsDocument *comics_document = COMICS_DOCUMENT (document);
GSList *supported_extensions;
- GFile *file;
- GFileInfo *file_info;
- gchar *list_files_command = NULL, *std_out, *quoted_file;
- const gchar *mime_type = NULL;
- gchar **cbr_files;
+ gchar *std_out;
+ gchar *mime_type;
+ gchar **cb_files, *cb_file;
gboolean success;
int i, retval;
+ GError *err = NULL;
comics_document->archive = g_filename_from_uri (uri, NULL, error);
- g_return_val_if_fail (comics_document->archive != NULL, FALSE);
-
- quoted_file = g_shell_quote (comics_document->archive);
- file = g_file_new_for_uri (uri);
- file_info = g_file_query_info (file,
- G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
- 0, NULL, NULL);
- if (file_info != NULL) {
- mime_type = g_file_info_get_content_type (file_info);
- }
- g_object_unref (file);
+ if (!comics_document->archive)
+ return FALSE;
- /* FIXME, use proper cbr/cbz mime types once they're
- * included in shared-mime-info */
- if (!strcmp (mime_type, "application/x-cbr")) {
- comics_document->extract_command =
- g_strdup ("unrar p -c- -ierr");
- list_files_command =
- g_strdup_printf ("unrar vb -c- -- %s", quoted_file);
- comics_document->regex_arg = FALSE;
- } else if (!strcmp (mime_type, "application/x-cbz")) {
- comics_document->extract_command =
- g_strdup ("unzip -p -C");
- list_files_command =
- g_strdup_printf ("zipinfo -1 -- %s", quoted_file);
- comics_document->regex_arg = TRUE;
- } else if (!strcmp (mime_type, "application/x-cb7")) {
- comics_document->extract_command =
- g_strdup ("7zr x -so");
- list_files_command =
- g_strdup_printf ("7zr l -- %s", quoted_file);
- comics_document->regex_arg = TRUE;
+ mime_type = ev_file_get_mime_type (uri, FALSE, &err);
+ if (!mime_type) {
+ if (err) {
+ g_propagate_error (error, err);
+ } else {
+ g_set_error_literal (error,
+ EV_DOCUMENT_ERROR,
+ EV_DOCUMENT_ERROR_INVALID,
+ _("Unknown MIME Type"));
+ }
+
+ return FALSE;
+ }
+
+ if (!comics_check_decompress_command (mime_type, comics_document,
+ error)) {
+ g_free (mime_type);
+ return FALSE;
+ } else if (!comics_generate_command_lines (comics_document, error)) {
+ g_free (mime_type);
+ return FALSE;
}
- g_object_unref (file_info);
- g_free (quoted_file);
+ g_free (mime_type);
/* Get list of files in archive */
- success = g_spawn_command_line_sync (list_files_command,
+ success = g_spawn_command_line_sync (comics_document->list_command,
&std_out, NULL, &retval, error);
- g_free (list_files_command);
if (!success) {
return FALSE;
- } else if (retval != 0) {
- g_set_error (error,
- EV_DOCUMENT_ERROR,
- EV_DOCUMENT_ERROR_INVALID,
- _("File corrupted."));
+ } else if (!WIFEXITED(retval) || WEXITSTATUS(retval) != EXIT_SUCCESS) {
+ g_set_error_literal (error,
+ EV_DOCUMENT_ERROR,
+ EV_DOCUMENT_ERROR_INVALID,
+ _("File corrupted"));
+ return FALSE;
+ }
+
+ /* FIXME: is this safe against filenames containing \n in the archive ? */
+ cb_files = g_strsplit (std_out, EV_EOL, 0);
+
+ g_free (std_out);
+
+ if (!cb_files) {
+ g_set_error_literal (error,
+ EV_DOCUMENT_ERROR,
+ EV_DOCUMENT_ERROR_INVALID,
+ _("No files in archive"));
return FALSE;
}
- cbr_files = g_strsplit (std_out, "\n", 0);
+ comics_document->page_names = g_ptr_array_sized_new (64);
+
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])),
- (GCompareFunc) strcmp);
- comics_document->n_pages++;
+ g_ptr_array_add (comics_document->page_names,
+ g_strstrip (g_strdup (cb_file)));
}
-
g_free (suffix);
}
-
- g_free (std_out);
- g_strfreev (cbr_files);
+ g_strfreev (cb_files);
g_slist_foreach (supported_extensions, (GFunc) g_free, NULL);
g_slist_free (supported_extensions);
- if (comics_document->n_pages == 0) {
+ if (comics_document->page_names->len == 0) {
g_set_error (error,
EV_DOCUMENT_ERROR,
EV_DOCUMENT_ERROR_INVALID,
return FALSE;
}
+ /* Now sort the pages */
+ g_ptr_array_sort (comics_document->page_names, sort_page_names);
+
return TRUE;
}
static int
comics_document_get_n_pages (EvDocument *document)
{
- return COMICS_DOCUMENT (document)->n_pages;
+ ComicsDocument *comics_document = COMICS_DOCUMENT (document);
+
+ if (comics_document->page_names == NULL)
+ return 0;
+
+ return comics_document->page_names->len;
}
static void
guchar buf[1024];
gboolean success, got_size = FALSE;
gint outpipe = -1;
- GPid child_pid = -1;
-
- argv = extract_argv (document, page->index);
- success = g_spawn_async_with_pipes (NULL, argv, NULL,
- G_SPAWN_SEARCH_PATH | G_SPAWN_STDERR_TO_DEV_NULL,
- NULL, NULL,
- &child_pid,
- NULL, &outpipe, NULL, NULL);
- g_strfreev (argv);
- g_return_if_fail (success == TRUE);
-
- loader = gdk_pixbuf_loader_new ();
- g_signal_connect (loader, "area-prepared",
- G_CALLBACK (get_page_size_area_prepared_cb),
- &got_size);
-
- while (outpipe >= 0) {
- gssize bytes = read (outpipe, buf, 1024);
+ GPid child_pid;
+ gssize bytes;
+ GdkPixbuf *pixbuf;
+ gchar *filename;
+ ComicsDocument *comics_document = COMICS_DOCUMENT (document);
+
+ if (!comics_document->decompress_tmp) {
+ argv = extract_argv (document, page->index);
+ success = g_spawn_async_with_pipes (NULL, argv, NULL,
+ G_SPAWN_SEARCH_PATH |
+ G_SPAWN_STDERR_TO_DEV_NULL,
+ NULL, NULL,
+ &child_pid,
+ NULL, &outpipe, NULL, NULL);
+ g_strfreev (argv);
+ g_return_if_fail (success == TRUE);
+
+ loader = gdk_pixbuf_loader_new ();
+ g_signal_connect (loader, "area-prepared",
+ G_CALLBACK (get_page_size_area_prepared_cb),
+ &got_size);
+
+ while (outpipe >= 0) {
+ bytes = read (outpipe, buf, 1024);
- if (bytes > 0)
+ if (bytes > 0)
gdk_pixbuf_loader_write (loader, buf, bytes, NULL);
- if (bytes <= 0 || got_size) {
- close (outpipe);
- outpipe = -1;
- gdk_pixbuf_loader_close (loader, NULL);
+ if (bytes <= 0 || got_size) {
+ close (outpipe);
+ outpipe = -1;
+ gdk_pixbuf_loader_close (loader, NULL);
+ }
+ }
+
+ if (gdk_pixbuf_loader_get_pixbuf (loader)) {
+ pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
+ if (width)
+ *width = gdk_pixbuf_get_width (pixbuf);
+ if (height)
+ *height = gdk_pixbuf_get_height (pixbuf);
}
- }
- if (gdk_pixbuf_loader_get_pixbuf (loader)) {
- GdkPixbuf *pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
+ g_spawn_close_pid (child_pid);
+ g_object_unref (loader);
+ } else {
+ filename = g_build_filename (comics_document->dir,
+ (char *) comics_document->page_names->pdata[page->index],
+ NULL);
+ pixbuf = gdk_pixbuf_new_from_file (filename, NULL);
+ g_free (filename);
if (width)
*width = gdk_pixbuf_get_width (pixbuf);
if (height)
*height = gdk_pixbuf_get_height (pixbuf);
}
-
- g_spawn_close_pid (child_pid);
- g_object_unref (loader);
}
static void
guchar buf[4096];
gboolean success;
gint outpipe = -1;
- GPid child_pid = -1;
-
- argv = extract_argv (document, rc->page->index);
- success = g_spawn_async_with_pipes (NULL, argv, NULL,
- G_SPAWN_SEARCH_PATH
- | G_SPAWN_STDERR_TO_DEV_NULL,
- NULL, NULL,
- &child_pid,
- NULL, &outpipe, NULL, NULL);
- g_strfreev (argv);
- g_return_val_if_fail (success == TRUE, NULL);
-
- loader = gdk_pixbuf_loader_new ();
- g_signal_connect (loader, "size-prepared",
- G_CALLBACK (render_pixbuf_size_prepared_cb), &rc->scale);
-
- while (outpipe >= 0) {
- gssize bytes = read (outpipe, buf, 4096);
-
- if (bytes > 0) {
- gdk_pixbuf_loader_write (loader, buf, bytes, NULL);
- } else if (bytes <= 0) {
- close (outpipe);
- gdk_pixbuf_loader_close (loader, NULL);
- outpipe = -1;
+ GPid child_pid;
+ gssize bytes;
+ gint width, height;
+ gchar *filename;
+ ComicsDocument *comics_document = COMICS_DOCUMENT (document);
+
+ 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 |
+ G_SPAWN_STDERR_TO_DEV_NULL,
+ NULL, NULL,
+ &child_pid,
+ NULL, &outpipe, NULL, NULL);
+ g_strfreev (argv);
+ g_return_val_if_fail (success == TRUE, NULL);
+
+ loader = gdk_pixbuf_loader_new ();
+ g_signal_connect (loader, "size-prepared",
+ G_CALLBACK (render_pixbuf_size_prepared_cb),
+ &rc->scale);
+
+ while (outpipe >= 0) {
+ bytes = read (outpipe, buf, 4096);
+
+ if (bytes > 0) {
+ gdk_pixbuf_loader_write (loader, buf, bytes,
+ NULL);
+ } else if (bytes <= 0) {
+ close (outpipe);
+ gdk_pixbuf_loader_close (loader, NULL);
+ outpipe = -1;
+ }
}
- }
-
- rotated_pixbuf = gdk_pixbuf_rotate_simple (gdk_pixbuf_loader_get_pixbuf (loader),
- 360 - rc->rotation);
- g_spawn_close_pid (child_pid);
- g_object_unref (loader);
+ rotated_pixbuf = gdk_pixbuf_rotate_simple (
+ gdk_pixbuf_loader_get_pixbuf (loader),
+ 360 - rc->rotation);
+ g_spawn_close_pid (child_pid);
+ g_object_unref (loader);
+ } else {
+ filename =
+ g_build_filename (comics_document->dir,
+ (char *) comics_document->page_names->pdata[rc->page->index],
+ NULL);
+
+ gdk_pixbuf_get_file_info (filename, &width, &height);
+
+ rotated_pixbuf =
+ gdk_pixbuf_rotate_simple (gdk_pixbuf_new_from_file_at_size (
+ filename, width * (rc->scale) + 0.5,
+ height * (rc->scale) + 0.5, NULL),
+ 360 - rc->rotation);
+ g_free (filename);
+
+ }
return rotated_pixbuf;
}
gdk_pixbuf_loader_set_size (loader, w, h);
}
+/**
+ * comics_remove_dir: Removes a directory recursively.
+ * Returns:
+ * 0 if it was successfully deleted,
+ * -1 if an error occurred
+ */
+static int
+comics_remove_dir (gchar *path_name)
+{
+ GDir *content_dir;
+ const gchar *filename;
+ gchar *filename_with_path;
+
+ if (g_file_test (path_name, G_FILE_TEST_IS_DIR)) {
+ content_dir = g_dir_open (path_name, 0, NULL);
+ filename = g_dir_read_name (content_dir);
+ while (filename) {
+ filename_with_path =
+ g_build_filename (path_name,
+ filename, NULL);
+ comics_remove_dir (filename_with_path);
+ g_free (filename_with_path);
+ filename = g_dir_read_name (content_dir);
+ }
+ g_dir_close (content_dir);
+ }
+ /* Note from g_remove() documentation: on Windows, it is in general not
+ * possible to remove a file that is open to some process, or mapped
+ * into memory.*/
+ return (g_remove (path_name));
+}
+
static void
comics_document_finalize (GObject *object)
{
ComicsDocument *comics_document = COMICS_DOCUMENT (object);
-
- if (comics_document->archive)
- g_free (comics_document->archive);
-
+
+ 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);
+ }
+
if (comics_document->page_names) {
- g_slist_foreach (comics_document->page_names,
- (GFunc) g_free, NULL);
- g_slist_free (comics_document->page_names);
+ g_ptr_array_foreach (comics_document->page_names, (GFunc) g_free, NULL);
+ g_ptr_array_free (comics_document->page_names, TRUE);
}
- if (comics_document->extract_command)
- g_free (comics_document->extract_command);
+ g_free (comics_document->archive);
+ g_free (comics_document->selected_command);
+ g_free (comics_document->alternative_command);
+ g_free (comics_document->extract_command);
+ g_free (comics_document->list_command);
G_OBJECT_CLASS (comics_document_parent_class)->finalize (object);
}
static void
comics_document_class_init (ComicsDocumentClass *klass)
{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
- gobject_class->finalize = comics_document_finalize;
-}
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ EvDocumentClass *ev_document_class = EV_DOCUMENT_CLASS (klass);
-static EvDocumentInfo *
-comics_document_get_info (EvDocument *document)
-{
- EvDocumentInfo *info;
- info = g_new0 (EvDocumentInfo, 1);
- return info;
-}
+ gobject_class->finalize = comics_document_finalize;
-static void
-comics_document_document_iface_init (EvDocumentIface *iface)
-{
- iface->load = comics_document_load;
- iface->save = comics_document_save;
- iface->get_n_pages = comics_document_get_n_pages;
- iface->get_page_size = comics_document_get_page_size;
- iface->render = comics_document_render;
- iface->get_info = comics_document_get_info;
+ ev_document_class->load = comics_document_load;
+ ev_document_class->save = comics_document_save;
+ ev_document_class->get_n_pages = comics_document_get_n_pages;
+ ev_document_class->get_page_size = comics_document_get_page_size;
+ ev_document_class->render = comics_document_render;
}
static void
comics_document->archive = NULL;
comics_document->page_names = NULL;
comics_document->extract_command = NULL;
- comics_document->n_pages = 0;
}
/* Returns a list of file extensions supported by gdk-pixbuf */
}
static void
-comics_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
+comics_document_document_thumbnails_iface_init (EvDocumentThumbnailsInterface *iface)
{
iface->get_thumbnail = comics_document_thumbnails_get_thumbnail;
iface->get_dimensions = comics_document_thumbnails_get_dimensions;
char *command_line, *quoted_archive, *quoted_filename;
GError *err = NULL;
- quoted_archive = g_shell_quote (comics_document->archive);
+ if (page >= comics_document->page_names->len)
+ return NULL;
+
if (comics_document->regex_arg) {
- quoted_filename = comics_regex_quote (
- g_slist_nth_data (comics_document->page_names, page));
+ quoted_archive = comics_regex_quote (comics_document->archive);
+ quoted_filename =
+ comics_regex_quote (comics_document->page_names->pdata[page]);
} else {
- quoted_filename = g_shell_quote (
- g_slist_nth_data (comics_document->page_names, page));
+ quoted_archive = g_shell_quote (comics_document->archive);
+ quoted_filename = g_shell_quote (comics_document->page_names->pdata[page]);
}
- command_line = g_strdup_printf ("%s -- %s %s",
+ command_line = g_strdup_printf ("%s %s %s",
comics_document->extract_command,
quoted_archive,
quoted_filename);
-
g_shell_parse_argv (command_line, NULL, &argv, &err);
-
+
if (err) {
- g_warning ("Error %s", err->message);
+ g_warning (_("Error %s"), err->message);
+ g_error_free (err);
return NULL;
}
-
+
g_free (command_line);
g_free (quoted_archive);
g_free (quoted_filename);