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nest-open-source / nest-cam / 4320010 / glib / f6dccbe12024995c576bb85b2ad596af2833d2bd / . / glib / glib / gbookmarkfile.c
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/* gbookmarkfile.c: parsing and building desktop bookmarks
*
* Copyright (C) 2005-2006 Emmanuele Bassi
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
*/
#include "config.h"
#include "gbookmarkfile.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <locale.h>
#include <time.h>
#include <stdarg.h>
#include "gconvert.h"
#include "gdataset.h"
#include "gerror.h"
#include "gfileutils.h"
#include "ghash.h"
#include "glibintl.h"
#include "glist.h"
#include "gmain.h"
#include "gmarkup.h"
#include "gmem.h"
#include "gmessages.h"
#include "gshell.h"
#include "gslice.h"
#include "gstdio.h"
#include "gstring.h"
#include "gstrfuncs.h"
#include "gtimer.h"
#include "gutils.h"
/**
* SECTION:bookmarkfile
* @title: Bookmark file parser
* @short_description: parses files containing bookmarks
*
* GBookmarkFile lets you parse, edit or create files containing bookmarks
* to URI, along with some meta-data about the resource pointed by the URI
* like its MIME type, the application that is registering the bookmark and
* the icon that should be used to represent the bookmark. The data is stored
* using the
* [Desktop Bookmark Specification](http://www.gnome.org/~ebassi/bookmark-spec).
*
* The syntax of the bookmark files is described in detail inside the
* Desktop Bookmark Specification, here is a quick summary: bookmark
* files use a sub-class of the XML Bookmark Exchange Language
* specification, consisting of valid UTF-8 encoded XML, under the
* <xbel> root element; each bookmark is stored inside a
* <bookmark> element, using its URI: no relative paths can
* be used inside a bookmark file. The bookmark may have a user defined
* title and description, to be used instead of the URI. Under the
* <metadata> element, with its owner attribute set to
* `http://freedesktop.org`, is stored the meta-data about a resource
* pointed by its URI. The meta-data consists of the resource's MIME
* type; the applications that have registered a bookmark; the groups
* to which a bookmark belongs to; a visibility flag, used to set the
* bookmark as "private" to the applications and groups that has it
* registered; the URI and MIME type of an icon, to be used when
* displaying the bookmark inside a GUI.
*
* Here is an example of a bookmark file:
* [bookmarks.xbel](https://git.gnome.org/browse/glib/tree/glib/tests/bookmarks.xbel)
*
* A bookmark file might contain more than one bookmark; each bookmark
* is accessed through its URI.
*
* The important caveat of bookmark files is that when you add a new
* bookmark you must also add the application that is registering it, using
* g_bookmark_file_add_application() or g_bookmark_file_set_app_info().
* If a bookmark has no applications then it won't be dumped when creating
* the on disk representation, using g_bookmark_file_to_data() or
* g_bookmark_file_to_file().
*
* The #GBookmarkFile parser was added in GLib 2.12.
*/
/* XBEL 1.0 standard entities */
#define XBEL_VERSION "1.0"
#define XBEL_DTD_NICK "xbel"
#define XBEL_DTD_SYSTEM "+//IDN python.org//DTD XML Bookmark " \
"Exchange Language 1.0//EN//XML"
#define XBEL_DTD_URI "http://www.python.org/topics/xml/dtds/xbel-1.0.dtd"
#define XBEL_ROOT_ELEMENT "xbel"
#define XBEL_FOLDER_ELEMENT "folder" /* unused */
#define XBEL_BOOKMARK_ELEMENT "bookmark"
#define XBEL_ALIAS_ELEMENT "alias" /* unused */
#define XBEL_SEPARATOR_ELEMENT "separator" /* unused */
#define XBEL_TITLE_ELEMENT "title"
#define XBEL_DESC_ELEMENT "desc"
#define XBEL_INFO_ELEMENT "info"
#define XBEL_METADATA_ELEMENT "metadata"
#define XBEL_VERSION_ATTRIBUTE "version"
#define XBEL_FOLDED_ATTRIBUTE "folded" /* unused */
#define XBEL_OWNER_ATTRIBUTE "owner"
#define XBEL_ADDED_ATTRIBUTE "added"
#define XBEL_VISITED_ATTRIBUTE "visited"
#define XBEL_MODIFIED_ATTRIBUTE "modified"
#define XBEL_ID_ATTRIBUTE "id"
#define XBEL_HREF_ATTRIBUTE "href"
#define XBEL_REF_ATTRIBUTE "ref" /* unused */
#define XBEL_YES_VALUE "yes"
#define XBEL_NO_VALUE "no"
/* Desktop bookmark spec entities */
#define BOOKMARK_METADATA_OWNER "http://freedesktop.org"
#define BOOKMARK_NAMESPACE_NAME "bookmark"
#define BOOKMARK_NAMESPACE_URI "http://www.freedesktop.org/standards/desktop-bookmarks"
#define BOOKMARK_GROUPS_ELEMENT "groups"
#define BOOKMARK_GROUP_ELEMENT "group"
#define BOOKMARK_APPLICATIONS_ELEMENT "applications"
#define BOOKMARK_APPLICATION_ELEMENT "application"
#define BOOKMARK_ICON_ELEMENT "icon"
#define BOOKMARK_PRIVATE_ELEMENT "private"
#define BOOKMARK_NAME_ATTRIBUTE "name"
#define BOOKMARK_EXEC_ATTRIBUTE "exec"
#define BOOKMARK_COUNT_ATTRIBUTE "count"
#define BOOKMARK_TIMESTAMP_ATTRIBUTE "timestamp" /* deprecated by "modified" */
#define BOOKMARK_MODIFIED_ATTRIBUTE "modified"
#define BOOKMARK_HREF_ATTRIBUTE "href"
#define BOOKMARK_TYPE_ATTRIBUTE "type"
/* Shared MIME Info entities */
#define MIME_NAMESPACE_NAME "mime"
#define MIME_NAMESPACE_URI "http://www.freedesktop.org/standards/shared-mime-info"
#define MIME_TYPE_ELEMENT "mime-type"
#define MIME_TYPE_ATTRIBUTE "type"
typedef struct _BookmarkAppInfo BookmarkAppInfo;
typedef struct _BookmarkMetadata BookmarkMetadata;
typedef struct _BookmarkItem BookmarkItem;
typedef struct _ParseData ParseData;
struct _BookmarkAppInfo
{
gchar *name;
gchar *exec;
guint count;
time_t stamp;
};
struct _BookmarkMetadata
{
gchar *mime_type;
GList *groups;
GList *applications;
GHashTable *apps_by_name;
gchar *icon_href;
gchar *icon_mime;
guint is_private : 1;
};
struct _BookmarkItem
{
gchar *uri;
gchar *title;
gchar *description;
time_t added;
time_t modified;
time_t visited;
BookmarkMetadata *metadata;
};
struct _GBookmarkFile
{
gchar *title;
gchar *description;
/* we store our items in a list and keep a copy inside
* an hash table for faster lookup performances
*/
GList *items;
GHashTable *items_by_uri;
};
/* parser state machine */
enum
{
STATE_STARTED = 0,
STATE_ROOT,
STATE_BOOKMARK,
STATE_TITLE,
STATE_DESC,
STATE_INFO,
STATE_METADATA,
STATE_APPLICATIONS,
STATE_APPLICATION,
STATE_GROUPS,
STATE_GROUP,
STATE_MIME,
STATE_ICON,
STATE_FINISHED
};
static void g_bookmark_file_init (GBookmarkFile *bookmark);
static void g_bookmark_file_clear (GBookmarkFile *bookmark);
static gboolean g_bookmark_file_parse (GBookmarkFile *bookmark,
const gchar *buffer,
gsize length,
GError **error);
static gchar * g_bookmark_file_dump (GBookmarkFile *bookmark,
gsize *length,
GError **error);
static BookmarkItem *g_bookmark_file_lookup_item (GBookmarkFile *bookmark,
const gchar *uri);
static void g_bookmark_file_add_item (GBookmarkFile *bookmark,
BookmarkItem *item,
GError **error);
static time_t timestamp_from_iso8601 (const gchar *iso_date);
static gchar * timestamp_to_iso8601 (time_t timestamp);
/********************************
* BookmarkAppInfo *
* *
* Application metadata storage *
********************************/
static BookmarkAppInfo *
bookmark_app_info_new (const gchar *name)
{
BookmarkAppInfo *retval;
g_warn_if_fail (name != NULL);
retval = g_slice_new (BookmarkAppInfo);
retval->name = g_strdup (name);
retval->exec = NULL;
retval->count = 0;
retval->stamp = 0;
return retval;
}
static void
bookmark_app_info_free (BookmarkAppInfo *app_info)
{
if (!app_info)
return;
g_free (app_info->name);
g_free (app_info->exec);
g_slice_free (BookmarkAppInfo, app_info);
}
static gchar *
bookmark_app_info_dump (BookmarkAppInfo *app_info)
{
gchar *retval;
gchar *name, *exec, *modified, *count;
g_warn_if_fail (app_info != NULL);
if (app_info->count == 0)
return NULL;
name = g_markup_escape_text (app_info->name, -1);
exec = g_markup_escape_text (app_info->exec, -1);
modified = timestamp_to_iso8601 (app_info->stamp);
count = g_strdup_printf ("%u", app_info->count);
retval = g_strconcat (" "
"<" BOOKMARK_NAMESPACE_NAME ":" BOOKMARK_APPLICATION_ELEMENT
" " BOOKMARK_NAME_ATTRIBUTE "=\"", name, "\""
" " BOOKMARK_EXEC_ATTRIBUTE "=\"", exec, "\""
" " BOOKMARK_MODIFIED_ATTRIBUTE "=\"", modified, "\""
" " BOOKMARK_COUNT_ATTRIBUTE "=\"", count, "\"/>\n",
NULL);
g_free (name);
g_free (exec);
g_free (modified);
g_free (count);
return retval;
}
/***********************
* BookmarkMetadata *
* *
* Metadata storage *
***********************/
static BookmarkMetadata *
bookmark_metadata_new (void)
{
BookmarkMetadata *retval;
retval = g_slice_new (BookmarkMetadata);
retval->mime_type = NULL;
retval->groups = NULL;
retval->applications = NULL;
retval->apps_by_name = g_hash_table_new_full (g_str_hash,
g_str_equal,
NULL,
NULL);
retval->is_private = FALSE;
retval->icon_href = NULL;
retval->icon_mime = NULL;
return retval;
}
static void
bookmark_metadata_free (BookmarkMetadata *metadata)
{
if (!metadata)
return;
g_free (metadata->mime_type);
g_list_free_full (metadata->groups, g_free);
g_list_free_full (metadata->applications, (GDestroyNotify) bookmark_app_info_free);
g_hash_table_destroy (metadata->apps_by_name);
g_free (metadata->icon_href);
g_free (metadata->icon_mime);
g_slice_free (BookmarkMetadata, metadata);
}
static gchar *
bookmark_metadata_dump (BookmarkMetadata *metadata)
{
GString *retval;
gchar *buffer;
if (!metadata->applications)
return NULL;
retval = g_string_sized_new (1024);
/* metadata container */
g_string_append (retval,
" "
"<" XBEL_METADATA_ELEMENT
" " XBEL_OWNER_ATTRIBUTE "=\"" BOOKMARK_METADATA_OWNER
"\">\n");
/* mime type */
if (metadata->mime_type) {
buffer = g_strconcat (" "
"<" MIME_NAMESPACE_NAME ":" MIME_TYPE_ELEMENT " "
MIME_TYPE_ATTRIBUTE "=\"", metadata->mime_type, "\"/>\n",
NULL);
g_string_append (retval, buffer);
g_free (buffer);
}
if (metadata->groups)
{
GList *l;
/* open groups container */
g_string_append (retval,
" "
"<" BOOKMARK_NAMESPACE_NAME
":" BOOKMARK_GROUPS_ELEMENT ">\n");
for (l = g_list_last (metadata->groups); l != NULL; l = l->prev)
{
gchar *group_name;
group_name = g_markup_escape_text ((gchar *) l->data, -1);
buffer = g_strconcat (" "
"<" BOOKMARK_NAMESPACE_NAME
":" BOOKMARK_GROUP_ELEMENT ">",
group_name,
"</" BOOKMARK_NAMESPACE_NAME
":" BOOKMARK_GROUP_ELEMENT ">\n", NULL);
g_string_append (retval, buffer);
g_free (buffer);
g_free (group_name);
}
/* close groups container */
g_string_append (retval,
" "
"</" BOOKMARK_NAMESPACE_NAME
":" BOOKMARK_GROUPS_ELEMENT ">\n");
}
if (metadata->applications)
{
GList *l;
/* open applications container */
g_string_append (retval,
" "
"<" BOOKMARK_NAMESPACE_NAME
":" BOOKMARK_APPLICATIONS_ELEMENT ">\n");
for (l = g_list_last (metadata->applications); l != NULL; l = l->prev)
{
BookmarkAppInfo *app_info = (BookmarkAppInfo *) l->data;
gchar *app_data;
g_warn_if_fail (app_info != NULL);
app_data = bookmark_app_info_dump (app_info);
if (app_data)
{
retval = g_string_append (retval, app_data);
g_free (app_data);
}
}
/* close applications container */
g_string_append (retval,
" "
"</" BOOKMARK_NAMESPACE_NAME
":" BOOKMARK_APPLICATIONS_ELEMENT ">\n");
}
/* icon */
if (metadata->icon_href)
{
if (!metadata->icon_mime)
metadata->icon_mime = g_strdup ("application/octet-stream");
buffer = g_strconcat (" "
"<" BOOKMARK_NAMESPACE_NAME
":" BOOKMARK_ICON_ELEMENT
" " BOOKMARK_HREF_ATTRIBUTE "=\"", metadata->icon_href,
"\" " BOOKMARK_TYPE_ATTRIBUTE "=\"", metadata->icon_mime, "\"/>\n", NULL);
g_string_append (retval, buffer);
g_free (buffer);
}
/* private hint */
if (metadata->is_private)
g_string_append (retval,
" "
"<" BOOKMARK_NAMESPACE_NAME
":" BOOKMARK_PRIVATE_ELEMENT "/>\n");
/* close metadata container */
g_string_append (retval,
" "
"</" XBEL_METADATA_ELEMENT ">\n");
return g_string_free (retval, FALSE);
}
/******************************************************
* BookmarkItem *
* *
* Storage for a single bookmark item inside the list *
******************************************************/
static BookmarkItem *
bookmark_item_new (const gchar *uri)
{
BookmarkItem *item;
g_warn_if_fail (uri != NULL);
item = g_slice_new (BookmarkItem);
item->uri = g_strdup (uri);
item->title = NULL;
item->description = NULL;
item->added = (time_t) -1;
item->modified = (time_t) -1;
item->visited = (time_t) -1;
item->metadata = NULL;
return item;
}
static void
bookmark_item_free (BookmarkItem *item)
{
if (!item)
return;
g_free (item->uri);
g_free (item->title);
g_free (item->description);
if (item->metadata)
bookmark_metadata_free (item->metadata);
g_slice_free (BookmarkItem, item);
}
static gchar *
bookmark_item_dump (BookmarkItem *item)
{
GString *retval;
gchar *added, *visited, *modified;
gchar *escaped_uri;
gchar *buffer;
/* at this point, we must have at least a registered application; if we don't
* we don't screw up the bookmark file, and just skip this item
*/
if (!item->metadata || !item->metadata->applications)
{
g_warning ("Item for URI '%s' has no registered applications: skipping.\n", item->uri);
return NULL;
}
retval = g_string_sized_new (4096);
added = timestamp_to_iso8601 (item->added);
modified = timestamp_to_iso8601 (item->modified);
visited = timestamp_to_iso8601 (item->visited);
escaped_uri = g_markup_escape_text (item->uri, -1);
buffer = g_strconcat (" <"
XBEL_BOOKMARK_ELEMENT
" "
XBEL_HREF_ATTRIBUTE "=\"", escaped_uri, "\" "
XBEL_ADDED_ATTRIBUTE "=\"", added, "\" "
XBEL_MODIFIED_ATTRIBUTE "=\"", modified, "\" "
XBEL_VISITED_ATTRIBUTE "=\"", visited, "\">\n",
NULL);
g_string_append (retval, buffer);
g_free (escaped_uri);
g_free (visited);
g_free (modified);
g_free (added);
g_free (buffer);
if (item->title)
{
gchar *escaped_title;
escaped_title = g_markup_escape_text (item->title, -1);
buffer = g_strconcat (" "
"<" XBEL_TITLE_ELEMENT ">",
escaped_title,
"</" XBEL_TITLE_ELEMENT ">\n",
NULL);
g_string_append (retval, buffer);
g_free (escaped_title);
g_free (buffer);
}
if (item->description)
{
gchar *escaped_desc;
escaped_desc = g_markup_escape_text (item->description, -1);
buffer = g_strconcat (" "
"<" XBEL_DESC_ELEMENT ">",
escaped_desc,
"</" XBEL_DESC_ELEMENT ">\n",
NULL);
g_string_append (retval, buffer);
g_free (escaped_desc);
g_free (buffer);
}
if (item->metadata)
{
gchar *metadata;
metadata = bookmark_metadata_dump (item->metadata);
if (metadata)
{
buffer = g_strconcat (" "
"<" XBEL_INFO_ELEMENT ">\n",
metadata,
" "
"</" XBEL_INFO_ELEMENT ">\n",
NULL);
retval = g_string_append (retval, buffer);
g_free (buffer);
g_free (metadata);
}
}
g_string_append (retval, " </" XBEL_BOOKMARK_ELEMENT ">\n");
return g_string_free (retval, FALSE);
}
static BookmarkAppInfo *
bookmark_item_lookup_app_info (BookmarkItem *item,
const gchar *app_name)
{
g_warn_if_fail (item != NULL && app_name != NULL);
if (!item->metadata)
return NULL;
return g_hash_table_lookup (item->metadata->apps_by_name, app_name);
}
/*************************
* GBookmarkFile *
*************************/
static void
g_bookmark_file_init (GBookmarkFile *bookmark)
{
bookmark->title = NULL;
bookmark->description = NULL;
bookmark->items = NULL;
bookmark->items_by_uri = g_hash_table_new_full (g_str_hash,
g_str_equal,
NULL,
NULL);
}
static void
g_bookmark_file_clear (GBookmarkFile *bookmark)
{
g_free (bookmark->title);
g_free (bookmark->description);
g_list_free_full (bookmark->items, (GDestroyNotify) bookmark_item_free);
bookmark->items = NULL;
if (bookmark->items_by_uri)
{
g_hash_table_destroy (bookmark->items_by_uri);
bookmark->items_by_uri = NULL;
}
}
struct _ParseData
{
gint state;
GHashTable *namespaces;
GBookmarkFile *bookmark_file;
BookmarkItem *current_item;
};
static ParseData *
parse_data_new (void)
{
ParseData *retval;
retval = g_new (ParseData, 1);
retval->state = STATE_STARTED;
retval->namespaces = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify) g_free,
(GDestroyNotify) g_free);
retval->bookmark_file = NULL;
retval->current_item = NULL;
return retval;
}
static void
parse_data_free (ParseData *parse_data)
{
g_hash_table_destroy (parse_data->namespaces);
g_free (parse_data);
}
#define IS_ATTRIBUTE(s,a) ((0 == strcmp ((s), (a))))
static void
parse_bookmark_element (GMarkupParseContext *context,
ParseData *parse_data,
const gchar **attribute_names,
const gchar **attribute_values,
GError **error)
{
const gchar *uri, *added, *modified, *visited;
const gchar *attr;
gint i;
BookmarkItem *item;
GError *add_error;
g_warn_if_fail ((parse_data != NULL) && (parse_data->state == STATE_BOOKMARK));
i = 0;
uri = added = modified = visited = NULL;
for (attr = attribute_names[i]; attr != NULL; attr = attribute_names[++i])
{
if (IS_ATTRIBUTE (attr, XBEL_HREF_ATTRIBUTE))
uri = attribute_values[i];
else if (IS_ATTRIBUTE (attr, XBEL_ADDED_ATTRIBUTE))
added = attribute_values[i];
else if (IS_ATTRIBUTE (attr, XBEL_MODIFIED_ATTRIBUTE))
modified = attribute_values[i];
else if (IS_ATTRIBUTE (attr, XBEL_VISITED_ATTRIBUTE))
visited = attribute_values[i];
else
{
/* bookmark is defined by the XBEL spec, so we need
* to error out if the element has different or
* missing attributes
*/
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE,
_("Unexpected attribute '%s' for element '%s'"),
attr,
XBEL_BOOKMARK_ELEMENT);
return;
}
}
if (!uri)
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("Attribute '%s' of element '%s' not found"),
XBEL_HREF_ATTRIBUTE,
XBEL_BOOKMARK_ELEMENT);
return;
}
g_warn_if_fail (parse_data->current_item == NULL);
item = bookmark_item_new (uri);
if (added)
item->added = timestamp_from_iso8601 (added);
if (modified)
item->modified = timestamp_from_iso8601 (modified);
if (visited)
item->visited = timestamp_from_iso8601 (visited);
add_error = NULL;
g_bookmark_file_add_item (parse_data->bookmark_file,
item,
&add_error);
if (add_error)
{
bookmark_item_free (item);
g_propagate_error (error, add_error);
return;
}
parse_data->current_item = item;
}
static void
parse_application_element (GMarkupParseContext *context,
ParseData *parse_data,
const gchar **attribute_names,
const gchar **attribute_values,
GError **error)
{
const gchar *name, *exec, *count, *stamp, *modified;
const gchar *attr;
gint i;
BookmarkItem *item;
BookmarkAppInfo *ai;
g_warn_if_fail ((parse_data != NULL) && (parse_data->state == STATE_APPLICATION));
i = 0;
name = exec = count = stamp = modified = NULL;
for (attr = attribute_names[i]; attr != NULL; attr = attribute_names[++i])
{
if (IS_ATTRIBUTE (attr, BOOKMARK_NAME_ATTRIBUTE))
name = attribute_values[i];
else if (IS_ATTRIBUTE (attr, BOOKMARK_EXEC_ATTRIBUTE))
exec = attribute_values[i];
else if (IS_ATTRIBUTE (attr, BOOKMARK_COUNT_ATTRIBUTE))
count = attribute_values[i];
else if (IS_ATTRIBUTE (attr, BOOKMARK_TIMESTAMP_ATTRIBUTE))
stamp = attribute_values[i];
else if (IS_ATTRIBUTE (attr, BOOKMARK_MODIFIED_ATTRIBUTE))
modified = attribute_values[i];
}
/* the "name" and "exec" attributes are mandatory */
if (!name)
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("Attribute '%s' of element '%s' not found"),
BOOKMARK_NAME_ATTRIBUTE,
BOOKMARK_APPLICATION_ELEMENT);
return;
}
if (!exec)
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("Attribute '%s' of element '%s' not found"),
BOOKMARK_EXEC_ATTRIBUTE,
BOOKMARK_APPLICATION_ELEMENT);
return;
}
g_warn_if_fail (parse_data->current_item != NULL);
item = parse_data->current_item;
ai = bookmark_item_lookup_app_info (item, name);
if (!ai)
{
ai = bookmark_app_info_new (name);
if (!item->metadata)
item->metadata = bookmark_metadata_new ();
item->metadata->applications = g_list_prepend (item->metadata->applications, ai);
g_hash_table_replace (item->metadata->apps_by_name, ai->name, ai);
}
ai->exec = g_strdup (exec);
if (count)
ai->count = atoi (count);
else
ai->count = 1;
if (modified)
ai->stamp = timestamp_from_iso8601 (modified);
else
{
/* the timestamp attribute has been deprecated but we still parse
* it for backward compatibility
*/
if (stamp)
ai->stamp = (time_t) atol (stamp);
else
ai->stamp = time (NULL);
}
}
static void
parse_mime_type_element (GMarkupParseContext *context,
ParseData *parse_data,
const gchar **attribute_names,
const gchar **attribute_values,
GError **error)
{
const gchar *type;
const gchar *attr;
gint i;
BookmarkItem *item;
g_warn_if_fail ((parse_data != NULL) && (parse_data->state == STATE_MIME));
i = 0;
type = NULL;
for (attr = attribute_names[i]; attr != NULL; attr = attribute_names[++i])
{
if (IS_ATTRIBUTE (attr, MIME_TYPE_ATTRIBUTE))
type = attribute_values[i];
}
if (!type)
type = "application/octet-stream";
g_warn_if_fail (parse_data->current_item != NULL);
item = parse_data->current_item;
if (!item->metadata)
item->metadata = bookmark_metadata_new ();
item->metadata->mime_type = g_strdup (type);
}
static void
parse_icon_element (GMarkupParseContext *context,
ParseData *parse_data,
const gchar **attribute_names,
const gchar **attribute_values,
GError **error)
{
const gchar *href;
const gchar *type;
const gchar *attr;
gint i;
BookmarkItem *item;
g_warn_if_fail ((parse_data != NULL) && (parse_data->state == STATE_ICON));
i = 0;
href = NULL;
type = NULL;
for (attr = attribute_names[i]; attr != NULL; attr = attribute_names[++i])
{
if (IS_ATTRIBUTE (attr, BOOKMARK_HREF_ATTRIBUTE))
href = attribute_values[i];
else if (IS_ATTRIBUTE (attr, BOOKMARK_TYPE_ATTRIBUTE))
type = attribute_values[i];
}
/* the "href" attribute is mandatory */
if (!href)
{
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("Attribute '%s' of element '%s' not found"),
BOOKMARK_HREF_ATTRIBUTE,
BOOKMARK_ICON_ELEMENT);
return;
}
if (!type)
type = "application/octet-stream";
g_warn_if_fail (parse_data->current_item != NULL);
item = parse_data->current_item;
if (!item->metadata)
item->metadata = bookmark_metadata_new ();
item->metadata->icon_href = g_strdup (href);
item->metadata->icon_mime = g_strdup (type);
}
/* scans through the attributes of an element for the "xmlns" pragma, and
* adds any resulting namespace declaration to a per-parser hashtable, using
* the namespace name as a key for the namespace URI; if no key was found,
* the namespace is considered as default, and stored under the "default" key.
*
* FIXME: this works on the assumption that the generator of the XBEL file
* is either this code or is smart enough to place the namespace declarations
* inside the main root node or inside the metadata node and does not redefine
* a namespace inside an inner node; this does *not* conform to the
* XML-NS standard, although is a close approximation. In order to make this
* conformant to the XML-NS specification we should use a per-element
* namespace table inside GMarkup and ask it to resolve the namespaces for us.
*/
static void
map_namespace_to_name (ParseData *parse_data,
const gchar **attribute_names,
const gchar **attribute_values)
{
const gchar *attr;
gint i;
g_warn_if_fail (parse_data != NULL);
if (!attribute_names || !attribute_names[0])
return;
i = 0;
for (attr = attribute_names[i]; attr; attr = attribute_names[++i])
{
if (g_str_has_prefix (attr, "xmlns"))
{
gchar *namespace_name, *namespace_uri;
gchar *p;
p = g_utf8_strchr (attr, -1, ':');
if (p)
p = g_utf8_next_char (p);
else
p = "default";
namespace_name = g_strdup (p);
namespace_uri = g_strdup (attribute_values[i]);
g_hash_table_replace (parse_data->namespaces,
namespace_name,
namespace_uri);
}
}
}
/* checks whether @element_full is equal to @element.
*
* if @namespace is set, it tries to resolve the namespace to a known URI,
* and if found is prepended to the element name, from which is separated
* using the character specified in the @sep parameter.
*/
static gboolean
is_element_full (ParseData *parse_data,
const gchar *element_full,
const gchar *namespace,
const gchar *element,
const gchar sep)
{
gchar *ns_uri, *ns_name;
const gchar *p, *element_name;
gboolean retval;
g_warn_if_fail (parse_data != NULL);
g_warn_if_fail (element_full != NULL);
if (!element)
return FALSE;
/* no namespace requested: dumb element compare */
if (!namespace)
return (0 == strcmp (element_full, element));
/* search for namespace separator; if none found, assume we are under the
* default namespace, and set ns_name to our "default" marker; if no default
* namespace has been set, just do a plain comparison between @full_element
* and @element.
*/
p = g_utf8_strchr (element_full, -1, ':');
if (p)
{
ns_name = g_strndup (element_full, p - element_full);
element_name = g_utf8_next_char (p);
}
else
{
ns_name = g_strdup ("default");
element_name = element_full;
}
ns_uri = g_hash_table_lookup (parse_data->namespaces, ns_name);
if (!ns_uri)
{
/* no default namespace found */
g_free (ns_name);
return (0 == strcmp (element_full, element));
}
retval = (0 == strcmp (ns_uri, namespace) &&
0 == strcmp (element_name, element));
g_free (ns_name);
return retval;
}
#define IS_ELEMENT(p,s,e) (is_element_full ((p), (s), NULL, (e), '\0'))
#define IS_ELEMENT_NS(p,s,n,e) (is_element_full ((p), (s), (n), (e), '|'))
static void
start_element_raw_cb (GMarkupParseContext *context,
const gchar *element_name,
const gchar **attribute_names,
const gchar **attribute_values,
gpointer user_data,
GError **error)
{
ParseData *parse_data = (ParseData *) user_data;
/* we must check for namespace declarations first
*
* XXX - we could speed up things by checking for namespace declarations
* only on the root node, where they usually are; this would probably break
* on streams not produced by us or by "smart" generators
*/
map_namespace_to_name (parse_data, attribute_names, attribute_values);
switch (parse_data->state)
{
case STATE_STARTED:
if (IS_ELEMENT (parse_data, element_name, XBEL_ROOT_ELEMENT))
{
const gchar *attr;
gint i;
i = 0;
for (attr = attribute_names[i]; attr; attr = attribute_names[++i])
{
if ((IS_ATTRIBUTE (attr, XBEL_VERSION_ATTRIBUTE)) &&
(0 == strcmp (attribute_values[i], XBEL_VERSION)))
parse_data->state = STATE_ROOT;
}
}
else
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("Unexpected tag '%s', tag '%s' expected"),
element_name, XBEL_ROOT_ELEMENT);
break;
case STATE_ROOT:
if (IS_ELEMENT (parse_data, element_name, XBEL_TITLE_ELEMENT))
parse_data->state = STATE_TITLE;
else if (IS_ELEMENT (parse_data, element_name, XBEL_DESC_ELEMENT))
parse_data->state = STATE_DESC;
else if (IS_ELEMENT (parse_data, element_name, XBEL_BOOKMARK_ELEMENT))
{
GError *inner_error = NULL;
parse_data->state = STATE_BOOKMARK;
parse_bookmark_element (context,
parse_data,
attribute_names,
attribute_values,
&inner_error);
if (inner_error)
g_propagate_error (error, inner_error);
}
else
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("Unexpected tag '%s' inside '%s'"),
element_name,
XBEL_ROOT_ELEMENT);
break;
case STATE_BOOKMARK:
if (IS_ELEMENT (parse_data, element_name, XBEL_TITLE_ELEMENT))
parse_data->state = STATE_TITLE;
else if (IS_ELEMENT (parse_data, element_name, XBEL_DESC_ELEMENT))
parse_data->state = STATE_DESC;
else if (IS_ELEMENT (parse_data, element_name, XBEL_INFO_ELEMENT))
parse_data->state = STATE_INFO;
else
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("Unexpected tag '%s' inside '%s'"),
element_name,
XBEL_BOOKMARK_ELEMENT);
break;
case STATE_INFO:
if (IS_ELEMENT (parse_data, element_name, XBEL_METADATA_ELEMENT))
{
const gchar *attr;
gint i;
i = 0;
for (attr = attribute_names[i]; attr; attr = attribute_names[++i])
{
if ((IS_ATTRIBUTE (attr, XBEL_OWNER_ATTRIBUTE)) &&
(0 == strcmp (attribute_values[i], BOOKMARK_METADATA_OWNER)))
{
parse_data->state = STATE_METADATA;
if (!parse_data->current_item->metadata)
parse_data->current_item->metadata = bookmark_metadata_new ();
}
}
}
else
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("Unexpected tag '%s', tag '%s' expected"),
element_name,
XBEL_METADATA_ELEMENT);
break;
case STATE_METADATA:
if (IS_ELEMENT_NS (parse_data, element_name, BOOKMARK_NAMESPACE_URI, BOOKMARK_APPLICATIONS_ELEMENT))
parse_data->state = STATE_APPLICATIONS;
else if (IS_ELEMENT_NS (parse_data, element_name, BOOKMARK_NAMESPACE_URI, BOOKMARK_GROUPS_ELEMENT))
parse_data->state = STATE_GROUPS;
else if (IS_ELEMENT_NS (parse_data, element_name, BOOKMARK_NAMESPACE_URI, BOOKMARK_PRIVATE_ELEMENT))
parse_data->current_item->metadata->is_private = TRUE;
else if (IS_ELEMENT_NS (parse_data, element_name, BOOKMARK_NAMESPACE_URI, BOOKMARK_ICON_ELEMENT))
{
GError *inner_error = NULL;
parse_data->state = STATE_ICON;
parse_icon_element (context,
parse_data,
attribute_names,
attribute_values,
&inner_error);
if (inner_error)
g_propagate_error (error, inner_error);
}
else if (IS_ELEMENT_NS (parse_data, element_name, MIME_NAMESPACE_URI, MIME_TYPE_ELEMENT))
{
GError *inner_error = NULL;
parse_data->state = STATE_MIME;
parse_mime_type_element (context,
parse_data,
attribute_names,
attribute_values,
&inner_error);
if (inner_error)
g_propagate_error (error, inner_error);
}
else
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_UNKNOWN_ELEMENT,
_("Unexpected tag '%s' inside '%s'"),
element_name,
XBEL_METADATA_ELEMENT);
break;
case STATE_APPLICATIONS:
if (IS_ELEMENT_NS (parse_data, element_name, BOOKMARK_NAMESPACE_URI, BOOKMARK_APPLICATION_ELEMENT))
{
GError *inner_error = NULL;
parse_data->state = STATE_APPLICATION;
parse_application_element (context,
parse_data,
attribute_names,
attribute_values,
&inner_error);
if (inner_error)
g_propagate_error (error, inner_error);
}
else
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("Unexpected tag '%s', tag '%s' expected"),
element_name,
BOOKMARK_APPLICATION_ELEMENT);
break;
case STATE_GROUPS:
if (IS_ELEMENT_NS (parse_data, element_name, BOOKMARK_NAMESPACE_URI, BOOKMARK_GROUP_ELEMENT))
parse_data->state = STATE_GROUP;
else
g_set_error (error, G_MARKUP_ERROR,
G_MARKUP_ERROR_INVALID_CONTENT,
_("Unexpected tag '%s', tag '%s' expected"),
element_name,
BOOKMARK_GROUP_ELEMENT);
break;
default:
g_warn_if_reached ();
break;
}
}
static void
end_element_raw_cb (GMarkupParseContext *context,
const gchar *element_name,
gpointer user_data,
GError **error)
{
ParseData *parse_data = (ParseData *) user_data;
if (IS_ELEMENT (parse_data, element_name, XBEL_ROOT_ELEMENT))
parse_data->state = STATE_FINISHED;
else if (IS_ELEMENT (parse_data, element_name, XBEL_BOOKMARK_ELEMENT))
{
parse_data->current_item = NULL;
parse_data->state = STATE_ROOT;
}
else if ((IS_ELEMENT (parse_data, element_name, XBEL_INFO_ELEMENT)) ||
(IS_ELEMENT (parse_data, element_name, XBEL_TITLE_ELEMENT)) ||
(IS_ELEMENT (parse_data, element_name, XBEL_DESC_ELEMENT)))
{
if (parse_data->current_item)
parse_data->state = STATE_BOOKMARK;
else
parse_data->state = STATE_ROOT;
}
else if (IS_ELEMENT (parse_data, element_name, XBEL_METADATA_ELEMENT))
parse_data->state = STATE_INFO;
else if (IS_ELEMENT_NS (parse_data, element_name,
BOOKMARK_NAMESPACE_URI,
BOOKMARK_APPLICATION_ELEMENT))
parse_data->state = STATE_APPLICATIONS;
else if (IS_ELEMENT_NS (parse_data, element_name,
BOOKMARK_NAMESPACE_URI,
BOOKMARK_GROUP_ELEMENT))
parse_data->state = STATE_GROUPS;
else if ((IS_ELEMENT_NS (parse_data, element_name, BOOKMARK_NAMESPACE_URI, BOOKMARK_APPLICATIONS_ELEMENT)) ||
(IS_ELEMENT_NS (parse_data, element_name, BOOKMARK_NAMESPACE_URI, BOOKMARK_GROUPS_ELEMENT)) ||
(IS_ELEMENT_NS (parse_data, element_name, BOOKMARK_NAMESPACE_URI, BOOKMARK_PRIVATE_ELEMENT)) ||
(IS_ELEMENT_NS (parse_data, element_name, BOOKMARK_NAMESPACE_URI, BOOKMARK_ICON_ELEMENT)) ||
(IS_ELEMENT_NS (parse_data, element_name, MIME_NAMESPACE_URI, MIME_TYPE_ELEMENT)))
parse_data->state = STATE_METADATA;
}
static void
text_raw_cb (GMarkupParseContext *context,
const gchar *text,
gsize length,
gpointer user_data,
GError **error)
{
ParseData *parse_data = (ParseData *) user_data;
gchar *payload;
payload = g_strndup (text, length);
switch (parse_data->state)
{
case STATE_TITLE:
if (parse_data->current_item)
{
g_free (parse_data->current_item->title);
parse_data->current_item->title = g_strdup (payload);
}
else
{
g_free (parse_data->bookmark_file->title);
parse_data->bookmark_file->title = g_strdup (payload);
}
break;
case STATE_DESC:
if (parse_data->current_item)
{
g_free (parse_data->current_item->description);
parse_data->current_item->description = g_strdup (payload);
}
else
{
g_free (parse_data->bookmark_file->description);
parse_data->bookmark_file->description = g_strdup (payload);
}
break;
case STATE_GROUP:
{
GList *groups;
g_warn_if_fail (parse_data->current_item != NULL);
if (!parse_data->current_item->metadata)
parse_data->current_item->metadata = bookmark_metadata_new ();
groups = parse_data->current_item->metadata->groups;
parse_data->current_item->metadata->groups = g_list_prepend (groups, g_strdup (payload));
}
break;
case STATE_ROOT:
case STATE_BOOKMARK:
case STATE_INFO:
case STATE_METADATA:
case STATE_APPLICATIONS:
case STATE_APPLICATION:
case STATE_GROUPS:
case STATE_MIME:
case STATE_ICON:
break;
default:
g_warn_if_reached ();
break;
}
g_free (payload);
}
static const GMarkupParser markup_parser =
{
start_element_raw_cb, /* start_element */
end_element_raw_cb, /* end_element */
text_raw_cb, /* text */
NULL, /* passthrough */
NULL
};
static gboolean
g_bookmark_file_parse (GBookmarkFile *bookmark,
const gchar *buffer,
gsize length,
GError **error)
{
GMarkupParseContext *context;
ParseData *parse_data;
GError *parse_error, *end_error;
gboolean retval;
g_warn_if_fail (bookmark != NULL);
if (!buffer)
return FALSE;
parse_error = NULL;
end_error = NULL;
if (length == (gsize) -1)
length = strlen (buffer);
parse_data = parse_data_new ();
parse_data->bookmark_file = bookmark;
context = g_markup_parse_context_new (&markup_parser,
0,
parse_data,
(GDestroyNotify) parse_data_free);
retval = g_markup_parse_context_parse (context,
buffer,
length,
&parse_error);
if (!retval)
g_propagate_error (error, parse_error);
else
{
retval = g_markup_parse_context_end_parse (context, &end_error);
if (!retval)
g_propagate_error (error, end_error);
}
g_markup_parse_context_free (context);
return retval;
}
static gchar *
g_bookmark_file_dump (GBookmarkFile *bookmark,
gsize *length,
GError **error)
{
GString *retval;
gchar *buffer;
GList *l;
retval = g_string_sized_new (4096);
g_string_append (retval,
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
#if 0
/* XXX - do we really need the doctype? */
"<!DOCTYPE " XBEL_DTD_NICK "\n"
" PUBLIC \"" XBEL_DTD_SYSTEM "\"\n"
" \"" XBEL_DTD_URI "\">\n"
#endif
"<" XBEL_ROOT_ELEMENT " " XBEL_VERSION_ATTRIBUTE "=\"" XBEL_VERSION "\"\n"
" xmlns:" BOOKMARK_NAMESPACE_NAME "=\"" BOOKMARK_NAMESPACE_URI "\"\n"
" xmlns:" MIME_NAMESPACE_NAME "=\"" MIME_NAMESPACE_URI "\"\n>");
if (bookmark->title)
{
gchar *escaped_title;
escaped_title = g_markup_escape_text (bookmark->title, -1);
buffer = g_strconcat (" "
"<" XBEL_TITLE_ELEMENT ">",
escaped_title,
"</" XBEL_TITLE_ELEMENT ">\n", NULL);
g_string_append (retval, buffer);
g_free (buffer);
g_free (escaped_title);
}
if (bookmark->description)
{
gchar *escaped_desc;
escaped_desc = g_markup_escape_text (bookmark->description, -1);
buffer = g_strconcat (" "
"<" XBEL_DESC_ELEMENT ">",
escaped_desc,
"</" XBEL_DESC_ELEMENT ">\n", NULL);
g_string_append (retval, buffer);
g_free (buffer);
g_free (escaped_desc);
}
if (!bookmark->items)
goto out;
else
retval = g_string_append (retval, "\n");
/* the items are stored in reverse order */
for (l = g_list_last (bookmark->items);
l != NULL;
l = l->prev)
{
BookmarkItem *item = (BookmarkItem *) l->data;
gchar *item_dump;
item_dump = bookmark_item_dump (item);
if (!item_dump)
continue;
retval = g_string_append (retval, item_dump);
g_free (item_dump);
}
out:
g_string_append (retval, "</" XBEL_ROOT_ELEMENT ">");
if (length)
*length = retval->len;
return g_string_free (retval, FALSE);
}
/**************
* Misc *
**************/
/* converts a Unix timestamp in a ISO 8601 compliant string; you
* should free the returned string.
*/
static gchar *
timestamp_to_iso8601 (time_t timestamp)
{
GTimeVal stamp;
if (timestamp == (time_t) -1)
g_get_current_time (&stamp);
else
{
stamp.tv_sec = timestamp;
stamp.tv_usec = 0;
}
return g_time_val_to_iso8601 (&stamp);
}
static time_t
timestamp_from_iso8601 (const gchar *iso_date)
{
GTimeVal stamp;
if (!g_time_val_from_iso8601 (iso_date, &stamp))
return (time_t) -1;
return (time_t) stamp.tv_sec;
}
G_DEFINE_QUARK (g-bookmark-file-error-quark, g_bookmark_file_error)
/********************
* Public API *
********************/
/**
* g_bookmark_file_new:
*
* Creates a new empty #GBookmarkFile object.
*
* Use g_bookmark_file_load_from_file(), g_bookmark_file_load_from_data()
* or g_bookmark_file_load_from_data_dirs() to read an existing bookmark
* file.
*
* Returns: an empty #GBookmarkFile
*
* Since: 2.12
*/
GBookmarkFile *
g_bookmark_file_new (void)
{
GBookmarkFile *bookmark;
bookmark = g_new (GBookmarkFile, 1);
g_bookmark_file_init (bookmark);
return bookmark;
}
/**
* g_bookmark_file_free:
* @bookmark: a #GBookmarkFile
*
* Frees a #GBookmarkFile.
*
* Since: 2.12
*/
void
g_bookmark_file_free (GBookmarkFile *bookmark)
{
if (!bookmark)
return;
g_bookmark_file_clear (bookmark);
g_free (bookmark);
}
/**
* g_bookmark_file_load_from_data:
* @bookmark: an empty #GBookmarkFile struct
* @data: desktop bookmarks loaded in memory
* @length: the length of @data in bytes
* @error: return location for a #GError, or %NULL
*
* Loads a bookmark file from memory into an empty #GBookmarkFile
* structure. If the object cannot be created then @error is set to a
* #GBookmarkFileError.
*
* Returns: %TRUE if a desktop bookmark could be loaded.
*
* Since: 2.12
*/
gboolean
g_bookmark_file_load_from_data (GBookmarkFile *bookmark,
const gchar *data,
gsize length,
GError **error)
{
GError *parse_error;
gboolean retval;
g_return_val_if_fail (bookmark != NULL, FALSE);
if (length == (gsize) -1)
length = strlen (data);
if (bookmark->items)
{
g_bookmark_file_clear (bookmark);
g_bookmark_file_init (bookmark);
}
parse_error = NULL;
retval = g_bookmark_file_parse (bookmark, data, length, &parse_error);
if (!retval)
g_propagate_error (error, parse_error);
return retval;
}
/**
* g_bookmark_file_load_from_file:
* @bookmark: an empty #GBookmarkFile struct
* @filename: (type filename): the path of a filename to load, in the
* GLib file name encoding
* @error: return location for a #GError, or %NULL
*
* Loads a desktop bookmark file into an empty #GBookmarkFile structure.
* If the file could not be loaded then @error is set to either a #GFileError
* or #GBookmarkFileError.
*
* Returns: %TRUE if a desktop bookmark file could be loaded
*
* Since: 2.12
*/
gboolean
g_bookmark_file_load_from_file (GBookmarkFile *bookmark,
const gchar *filename,
GError **error)
{
gboolean ret = FALSE;
gchar *buffer = NULL;
gsize len;
g_return_val_if_fail (bookmark != NULL, FALSE);
g_return_val_if_fail (filename != NULL, FALSE);
if (!g_file_get_contents (filename, &buffer, &len, error))
goto out;
if (!g_bookmark_file_load_from_data (bookmark, buffer, len, error))
goto out;
ret = TRUE;
out:
g_free (buffer);
return ret;
}
/* Iterates through all the directories in *dirs trying to
* find file. When it successfully locates file, returns a
* string its absolute path. It also leaves the unchecked
* directories in *dirs. You should free the returned string
*
* Adapted from gkeyfile.c
*/
static gchar *
find_file_in_data_dirs (const gchar *file,
gchar ***dirs,
GError **error)
{
gchar **data_dirs, *data_dir, *path;
path = NULL;
if (dirs == NULL)
return NULL;
data_dirs = *dirs;
path = NULL;
while (data_dirs && (data_dir = *data_dirs) && !path)
{
gchar *candidate_file, *sub_dir;
candidate_file = (gchar *) file;
sub_dir = g_strdup ("");
while (candidate_file != NULL && !path)
{
gchar *p;
path = g_build_filename (data_dir, sub_dir,
candidate_file, NULL);
candidate_file = strchr (candidate_file, '-');
if (candidate_file == NULL)
break;
candidate_file++;
g_free (sub_dir);
sub_dir = g_strndup (file, candidate_file - file - 1);
for (p = sub_dir; *p != '\0'; p++)
{
if (*p == '-')
*p = G_DIR_SEPARATOR;
}
}
g_free (sub_dir);
data_dirs++;
}
*dirs = data_dirs;
if (!path)
{
g_set_error_literal (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_FILE_NOT_FOUND,
_("No valid bookmark file found in data dirs"));
return NULL;
}
return path;
}
/**
* g_bookmark_file_load_from_data_dirs:
* @bookmark: a #GBookmarkFile
* @file: (type filename): a relative path to a filename to open and parse
* @full_path: (type filename) (allow-none): return location for a string
* containing the full path of the file, or %NULL
* @error: return location for a #GError, or %NULL
*
* This function looks for a desktop bookmark file named @file in the
* paths returned from g_get_user_data_dir() and g_get_system_data_dirs(),
* loads the file into @bookmark and returns the file's full path in
* @full_path. If the file could not be loaded then an %error is
* set to either a #GFileError or #GBookmarkFileError.
*
* Returns: %TRUE if a key file could be loaded, %FALSE otherwise
*
* Since: 2.12
*/
gboolean
g_bookmark_file_load_from_data_dirs (GBookmarkFile *bookmark,
const gchar *file,
gchar **full_path,
GError **error)
{
GError *file_error = NULL;
gchar **all_data_dirs, **data_dirs;
const gchar *user_data_dir;
const gchar * const * system_data_dirs;
gsize i, j;
gchar *output_path;
gboolean found_file;
g_return_val_if_fail (bookmark != NULL, FALSE);
g_return_val_if_fail (!g_path_is_absolute (file), FALSE);
user_data_dir = g_get_user_data_dir ();
system_data_dirs = g_get_system_data_dirs ();
all_data_dirs = g_new0 (gchar *, g_strv_length ((gchar **)system_data_dirs) + 2);
i = 0;
all_data_dirs[i++] = g_strdup (user_data_dir);
j = 0;
while (system_data_dirs[j] != NULL)
all_data_dirs[i++] = g_strdup (system_data_dirs[j++]);
found_file = FALSE;
data_dirs = all_data_dirs;
output_path = NULL;
while (*data_dirs != NULL && !found_file)
{
g_free (output_path);
output_path = find_file_in_data_dirs (file, &data_dirs, &file_error);
if (file_error)
{
g_propagate_error (error, file_error);
break;
}
found_file = g_bookmark_file_load_from_file (bookmark,
output_path,
&file_error);
if (file_error)
{
g_propagate_error (error, file_error);
break;
}
}
if (found_file && full_path)
*full_path = output_path;
else
g_free (output_path);
g_strfreev (all_data_dirs);
return found_file;
}
/**
* g_bookmark_file_to_data:
* @bookmark: a #GBookmarkFile
* @length: (allow-none) (out): return location for the length of the returned string, or %NULL
* @error: return location for a #GError, or %NULL
*
* This function outputs @bookmark as a string.
*
* Returns: a newly allocated string holding
* the contents of the #GBookmarkFile
*
* Since: 2.12
*/
gchar *
g_bookmark_file_to_data (GBookmarkFile *bookmark,
gsize *length,
GError **error)
{
GError *write_error = NULL;
gchar *retval;
g_return_val_if_fail (bookmark != NULL, NULL);
retval = g_bookmark_file_dump (bookmark, length, &write_error);
if (write_error)
{
g_propagate_error (error, write_error);
return NULL;
}
return retval;
}
/**
* g_bookmark_file_to_file:
* @bookmark: a #GBookmarkFile
* @filename: (type filename): path of the output file
* @error: return location for a #GError, or %NULL
*
* This function outputs @bookmark into a file. The write process is
* guaranteed to be atomic by using g_file_set_contents() internally.
*
* Returns: %TRUE if the file was successfully written.
*
* Since: 2.12
*/
gboolean
g_bookmark_file_to_file (GBookmarkFile *bookmark,
const gchar *filename,
GError **error)
{
gchar *data;
GError *data_error, *write_error;
gsize len;
gboolean retval;
g_return_val_if_fail (bookmark != NULL, FALSE);
g_return_val_if_fail (filename != NULL, FALSE);
data_error = NULL;
data = g_bookmark_file_to_data (bookmark, &len, &data_error);
if (data_error)
{
g_propagate_error (error, data_error);
return FALSE;
}
write_error = NULL;
g_file_set_contents (filename, data, len, &write_error);
if (write_error)
{
g_propagate_error (error, write_error);
retval = FALSE;
}
else
retval = TRUE;
g_free (data);
return retval;
}
static BookmarkItem *
g_bookmark_file_lookup_item (GBookmarkFile *bookmark,
const gchar *uri)
{
g_warn_if_fail (bookmark != NULL && uri != NULL);
return g_hash_table_lookup (bookmark->items_by_uri, uri);
}
/* this function adds a new item to the list */
static void
g_bookmark_file_add_item (GBookmarkFile *bookmark,
BookmarkItem *item,
GError **error)
{
g_warn_if_fail (bookmark != NULL);
g_warn_if_fail (item != NULL);
/* this should never happen; and if it does, then we are
* screwing up something big time.
*/
if (G_UNLIKELY (g_bookmark_file_has_item (bookmark, item->uri)))
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_INVALID_URI,
_("A bookmark for URI '%s' already exists"),
item->uri);
return;
}
bookmark->items = g_list_prepend (bookmark->items, item);
g_hash_table_replace (bookmark->items_by_uri,
item->uri,
item);
if (item->added == (time_t) -1)
item->added = time (NULL);
if (item->modified == (time_t) -1)
item->modified = time (NULL);
}
/**
* g_bookmark_file_remove_item:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @error: return location for a #GError, or %NULL
*
* Removes the bookmark for @uri from the bookmark file @bookmark.
*
* Returns: %TRUE if the bookmark was removed successfully.
*
* Since: 2.12
*/
gboolean
g_bookmark_file_remove_item (GBookmarkFile *bookmark,
const gchar *uri,
GError **error)
{
BookmarkItem *item;
g_return_val_if_fail (bookmark != NULL, FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return FALSE;
}
bookmark->items = g_list_remove (bookmark->items, item);
g_hash_table_remove (bookmark->items_by_uri, item->uri);
bookmark_item_free (item);
return TRUE;
}
/**
* g_bookmark_file_has_item:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
*
* Looks whether the desktop bookmark has an item with its URI set to @uri.
*
* Returns: %TRUE if @uri is inside @bookmark, %FALSE otherwise
*
* Since: 2.12
*/
gboolean
g_bookmark_file_has_item (GBookmarkFile *bookmark,
const gchar *uri)
{
g_return_val_if_fail (bookmark != NULL, FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
return (NULL != g_hash_table_lookup (bookmark->items_by_uri, uri));
}
/**
* g_bookmark_file_get_uris:
* @bookmark: a #GBookmarkFile
* @length: (allow-none) (out): return location for the number of returned URIs, or %NULL
*
* Returns all URIs of the bookmarks in the bookmark file @bookmark.
* The array of returned URIs will be %NULL-terminated, so @length may
* optionally be %NULL.
*
* Returns: (array length=length) (transfer full): a newly allocated %NULL-terminated array of strings.
* Use g_strfreev() to free it.
*
* Since: 2.12
*/
gchar **
g_bookmark_file_get_uris (GBookmarkFile *bookmark,
gsize *length)
{
GList *l;
gchar **uris;
gsize i, n_items;
g_return_val_if_fail (bookmark != NULL, NULL);
n_items = g_list_length (bookmark->items);
uris = g_new0 (gchar *, n_items + 1);
/* the items are stored in reverse order, so we walk the list backward */
for (l = g_list_last (bookmark->items), i = 0; l != NULL; l = l->prev)
{
BookmarkItem *item = (BookmarkItem *) l->data;
g_warn_if_fail (item != NULL);
uris[i++] = g_strdup (item->uri);
}
uris[i] = NULL;
if (length)
*length = i;
return uris;
}
/**
* g_bookmark_file_set_title:
* @bookmark: a #GBookmarkFile
* @uri: (allow-none): a valid URI or %NULL
* @title: a UTF-8 encoded string
*
* Sets @title as the title of the bookmark for @uri inside the
* bookmark file @bookmark.
*
* If @uri is %NULL, the title of @bookmark is set.
*
* If a bookmark for @uri cannot be found then it is created.
*
* Since: 2.12
*/
void
g_bookmark_file_set_title (GBookmarkFile *bookmark,
const gchar *uri,
const gchar *title)
{
g_return_if_fail (bookmark != NULL);
if (!uri)
{
g_free (bookmark->title);
bookmark->title = g_strdup (title);
}
else
{
BookmarkItem *item;
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
item = bookmark_item_new (uri);
g_bookmark_file_add_item (bookmark, item, NULL);
}
g_free (item->title);
item->title = g_strdup (title);
item->modified = time (NULL);
}
}
/**
* g_bookmark_file_get_title:
* @bookmark: a #GBookmarkFile
* @uri: (allow-none): a valid URI or %NULL
* @error: return location for a #GError, or %NULL
*
* Returns the title of the bookmark for @uri.
*
* If @uri is %NULL, the title of @bookmark is returned.
*
* In the event the URI cannot be found, %NULL is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND.
*
* Returns: a newly allocated string or %NULL if the specified
* URI cannot be found.
*
* Since: 2.12
*/
gchar *
g_bookmark_file_get_title (GBookmarkFile *bookmark,
const gchar *uri,
GError **error)
{
BookmarkItem *item;
g_return_val_if_fail (bookmark != NULL, NULL);
if (!uri)
return g_strdup (bookmark->title);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return NULL;
}
return g_strdup (item->title);
}
/**
* g_bookmark_file_set_description:
* @bookmark: a #GBookmarkFile
* @uri: (allow-none): a valid URI or %NULL
* @description: a string
*
* Sets @description as the description of the bookmark for @uri.
*
* If @uri is %NULL, the description of @bookmark is set.
*
* If a bookmark for @uri cannot be found then it is created.
*
* Since: 2.12
*/
void
g_bookmark_file_set_description (GBookmarkFile *bookmark,
const gchar *uri,
const gchar *description)
{
g_return_if_fail (bookmark != NULL);
if (!uri)
{
g_free (bookmark->description);
bookmark->description = g_strdup (description);
}
else
{
BookmarkItem *item;
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
item = bookmark_item_new (uri);
g_bookmark_file_add_item (bookmark, item, NULL);
}
g_free (item->description);
item->description = g_strdup (description);
item->modified = time (NULL);
}
}
/**
* g_bookmark_file_get_description:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @error: return location for a #GError, or %NULL
*
* Retrieves the description of the bookmark for @uri.
*
* In the event the URI cannot be found, %NULL is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND.
*
* Returns: a newly allocated string or %NULL if the specified
* URI cannot be found.
*
* Since: 2.12
*/
gchar *
g_bookmark_file_get_description (GBookmarkFile *bookmark,
const gchar *uri,
GError **error)
{
BookmarkItem *item;
g_return_val_if_fail (bookmark != NULL, NULL);
if (!uri)
return g_strdup (bookmark->description);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return NULL;
}
return g_strdup (item->description);
}
/**
* g_bookmark_file_set_mime_type:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @mime_type: a MIME type
*
* Sets @mime_type as the MIME type of the bookmark for @uri.
*
* If a bookmark for @uri cannot be found then it is created.
*
* Since: 2.12
*/
void
g_bookmark_file_set_mime_type (GBookmarkFile *bookmark,
const gchar *uri,
const gchar *mime_type)
{
BookmarkItem *item;
g_return_if_fail (bookmark != NULL);
g_return_if_fail (uri != NULL);
g_return_if_fail (mime_type != NULL);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
item = bookmark_item_new (uri);
g_bookmark_file_add_item (bookmark, item, NULL);
}
if (!item->metadata)
item->metadata = bookmark_metadata_new ();
g_free (item->metadata->mime_type);
item->metadata->mime_type = g_strdup (mime_type);
item->modified = time (NULL);
}
/**
* g_bookmark_file_get_mime_type:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @error: return location for a #GError, or %NULL
*
* Retrieves the MIME type of the resource pointed by @uri.
*
* In the event the URI cannot be found, %NULL is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND. In the
* event that the MIME type cannot be found, %NULL is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_INVALID_VALUE.
*
* Returns: a newly allocated string or %NULL if the specified
* URI cannot be found.
*
* Since: 2.12
*/
gchar *
g_bookmark_file_get_mime_type (GBookmarkFile *bookmark,
const gchar *uri,
GError **error)
{
BookmarkItem *item;
g_return_val_if_fail (bookmark != NULL, NULL);
g_return_val_if_fail (uri != NULL, NULL);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return NULL;
}
if (!item->metadata)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_INVALID_VALUE,
_("No MIME type defined in the bookmark for URI '%s'"),
uri);
return NULL;
}
return g_strdup (item->metadata->mime_type);
}
/**
* g_bookmark_file_set_is_private:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @is_private: %TRUE if the bookmark should be marked as private
*
* Sets the private flag of the bookmark for @uri.
*
* If a bookmark for @uri cannot be found then it is created.
*
* Since: 2.12
*/
void
g_bookmark_file_set_is_private (GBookmarkFile *bookmark,
const gchar *uri,
gboolean is_private)
{
BookmarkItem *item;
g_return_if_fail (bookmark != NULL);
g_return_if_fail (uri != NULL);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
item = bookmark_item_new (uri);
g_bookmark_file_add_item (bookmark, item, NULL);
}
if (!item->metadata)
item->metadata = bookmark_metadata_new ();
item->metadata->is_private = (is_private == TRUE);
item->modified = time (NULL);
}
/**
* g_bookmark_file_get_is_private:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @error: return location for a #GError, or %NULL
*
* Gets whether the private flag of the bookmark for @uri is set.
*
* In the event the URI cannot be found, %FALSE is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND. In the
* event that the private flag cannot be found, %FALSE is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_INVALID_VALUE.
*
* Returns: %TRUE if the private flag is set, %FALSE otherwise.
*
* Since: 2.12
*/
gboolean
g_bookmark_file_get_is_private (GBookmarkFile *bookmark,
const gchar *uri,
GError **error)
{
BookmarkItem *item;
g_return_val_if_fail (bookmark != NULL, FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return FALSE;
}
if (!item->metadata)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_INVALID_VALUE,
_("No private flag has been defined in bookmark for URI '%s'"),
uri);
return FALSE;
}
return item->metadata->is_private;
}
/**
* g_bookmark_file_set_added:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @added: a timestamp or -1 to use the current time
*
* Sets the time the bookmark for @uri was added into @bookmark.
*
* If no bookmark for @uri is found then it is created.
*
* Since: 2.12
*/
void
g_bookmark_file_set_added (GBookmarkFile *bookmark,
const gchar *uri,
time_t added)
{
BookmarkItem *item;
g_return_if_fail (bookmark != NULL);
g_return_if_fail (uri != NULL);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
item = bookmark_item_new (uri);
g_bookmark_file_add_item (bookmark, item, NULL);
}
if (added == (time_t) -1)
time (&added);
item->added = added;
item->modified = added;
}
/**
* g_bookmark_file_get_added:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @error: return location for a #GError, or %NULL
*
* Gets the time the bookmark for @uri was added to @bookmark
*
* In the event the URI cannot be found, -1 is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND.
*
* Returns: a timestamp
*
* Since: 2.12
*/
time_t
g_bookmark_file_get_added (GBookmarkFile *bookmark,
const gchar *uri,
GError **error)
{
BookmarkItem *item;
g_return_val_if_fail (bookmark != NULL, (time_t) -1);
g_return_val_if_fail (uri != NULL, (time_t) -1);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return (time_t) -1;
}
return item->added;
}
/**
* g_bookmark_file_set_modified:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @modified: a timestamp or -1 to use the current time
*
* Sets the last time the bookmark for @uri was last modified.
*
* If no bookmark for @uri is found then it is created.
*
* The "modified" time should only be set when the bookmark's meta-data
* was actually changed. Every function of #GBookmarkFile that
* modifies a bookmark also changes the modification time, except for
* g_bookmark_file_set_visited().
*
* Since: 2.12
*/
void
g_bookmark_file_set_modified (GBookmarkFile *bookmark,
const gchar *uri,
time_t modified)
{
BookmarkItem *item;
g_return_if_fail (bookmark != NULL);
g_return_if_fail (uri != NULL);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
item = bookmark_item_new (uri);
g_bookmark_file_add_item (bookmark, item, NULL);
}
if (modified == (time_t) -1)
time (&modified);
item->modified = modified;
}
/**
* g_bookmark_file_get_modified:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @error: return location for a #GError, or %NULL
*
* Gets the time when the bookmark for @uri was last modified.
*
* In the event the URI cannot be found, -1 is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND.
*
* Returns: a timestamp
*
* Since: 2.12
*/
time_t
g_bookmark_file_get_modified (GBookmarkFile *bookmark,
const gchar *uri,
GError **error)
{
BookmarkItem *item;
g_return_val_if_fail (bookmark != NULL, (time_t) -1);
g_return_val_if_fail (uri != NULL, (time_t) -1);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return (time_t) -1;
}
return item->modified;
}
/**
* g_bookmark_file_set_visited:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @visited: a timestamp or -1 to use the current time
*
* Sets the time the bookmark for @uri was last visited.
*
* If no bookmark for @uri is found then it is created.
*
* The "visited" time should only be set if the bookmark was launched,
* either using the command line retrieved by g_bookmark_file_get_app_info()
* or by the default application for the bookmark's MIME type, retrieved
* using g_bookmark_file_get_mime_type(). Changing the "visited" time
* does not affect the "modified" time.
*
* Since: 2.12
*/
void
g_bookmark_file_set_visited (GBookmarkFile *bookmark,
const gchar *uri,
time_t visited)
{
BookmarkItem *item;
g_return_if_fail (bookmark != NULL);
g_return_if_fail (uri != NULL);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
item = bookmark_item_new (uri);
g_bookmark_file_add_item (bookmark, item, NULL);
}
if (visited == (time_t) -1)
time (&visited);
item->visited = visited;
}
/**
* g_bookmark_file_get_visited:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @error: return location for a #GError, or %NULL
*
* Gets the time the bookmark for @uri was last visited.
*
* In the event the URI cannot be found, -1 is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND.
*
* Returns: a timestamp.
*
* Since: 2.12
*/
time_t
g_bookmark_file_get_visited (GBookmarkFile *bookmark,
const gchar *uri,
GError **error)
{
BookmarkItem *item;
g_return_val_if_fail (bookmark != NULL, (time_t) -1);
g_return_val_if_fail (uri != NULL, (time_t) -1);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return (time_t) -1;
}
return item->visited;
}
/**
* g_bookmark_file_has_group:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @group: the group name to be searched
* @error: return location for a #GError, or %NULL
*
* Checks whether @group appears in the list of groups to which
* the bookmark for @uri belongs to.
*
* In the event the URI cannot be found, %FALSE is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND.
*
* Returns: %TRUE if @group was found.
*
* Since: 2.12
*/
gboolean
g_bookmark_file_has_group (GBookmarkFile *bookmark,
const gchar *uri,
const gchar *group,
GError **error)
{
BookmarkItem *item;
GList *l;
g_return_val_if_fail (bookmark != NULL, FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return FALSE;
}
if (!item->metadata)
return FALSE;
for (l = item->metadata->groups; l != NULL; l = l->next)
{
if (strcmp (l->data, group) == 0)
return TRUE;
}
return FALSE;
}
/**
* g_bookmark_file_add_group:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @group: the group name to be added
*
* Adds @group to the list of groups to which the bookmark for @uri
* belongs to.
*
* If no bookmark for @uri is found then it is created.
*
* Since: 2.12
*/
void
g_bookmark_file_add_group (GBookmarkFile *bookmark,
const gchar *uri,
const gchar *group)
{
BookmarkItem *item;
g_return_if_fail (bookmark != NULL);
g_return_if_fail (uri != NULL);
g_return_if_fail (group != NULL && group[0] != '\0');
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
item = bookmark_item_new (uri);
g_bookmark_file_add_item (bookmark, item, NULL);
}
if (!item->metadata)
item->metadata = bookmark_metadata_new ();
if (!g_bookmark_file_has_group (bookmark, uri, group, NULL))
{
item->metadata->groups = g_list_prepend (item->metadata->groups,
g_strdup (group));
item->modified = time (NULL);
}
}
/**
* g_bookmark_file_remove_group:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @group: the group name to be removed
* @error: return location for a #GError, or %NULL
*
* Removes @group from the list of groups to which the bookmark
* for @uri belongs to.
*
* In the event the URI cannot be found, %FALSE is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND.
* In the event no group was defined, %FALSE is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_INVALID_VALUE.
*
* Returns: %TRUE if @group was successfully removed.
*
* Since: 2.12
*/
gboolean
g_bookmark_file_remove_group (GBookmarkFile *bookmark,
const gchar *uri,
const gchar *group,
GError **error)
{
BookmarkItem *item;
GList *l;
g_return_val_if_fail (bookmark != NULL, FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return FALSE;
}
if (!item->metadata)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_INVALID_VALUE,
_("No groups set in bookmark for URI '%s'"),
uri);
return FALSE;
}
for (l = item->metadata->groups; l != NULL; l = l->next)
{
if (strcmp (l->data, group) == 0)
{
item->metadata->groups = g_list_remove_link (item->metadata->groups, l);
g_free (l->data);
g_list_free_1 (l);
item->modified = time (NULL);
return TRUE;
}
}
return FALSE;
}
/**
* g_bookmark_file_set_groups:
* @bookmark: a #GBookmarkFile
* @uri: an item's URI
* @groups: (allow-none): an array of group names, or %NULL to remove all groups
* @length: number of group name values in @groups
*
* Sets a list of group names for the item with URI @uri. Each previously
* set group name list is removed.
*
* If @uri cannot be found then an item for it is created.
*
* Since: 2.12
*/
void
g_bookmark_file_set_groups (GBookmarkFile *bookmark,
const gchar *uri,
const gchar **groups,
gsize length)
{
BookmarkItem *item;
gsize i;
g_return_if_fail (bookmark != NULL);
g_return_if_fail (uri != NULL);
g_return_if_fail (groups != NULL);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
item = bookmark_item_new (uri);
g_bookmark_file_add_item (bookmark, item, NULL);
}
if (!item->metadata)
item->metadata = bookmark_metadata_new ();
g_list_free_full (item->metadata->groups, g_free);
item->metadata->groups = NULL;
if (groups)
{
for (i = 0; groups[i] != NULL && i < length; i++)
item->metadata->groups = g_list_append (item->metadata->groups,
g_strdup (groups[i]));
}
item->modified = time (NULL);
}
/**
* g_bookmark_file_get_groups:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @length: (allow-none) (out): return location for the length of the returned string, or %NULL
* @error: return location for a #GError, or %NULL
*
* Retrieves the list of group names of the bookmark for @uri.
*
* In the event the URI cannot be found, %NULL is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND.
*
* The returned array is %NULL terminated, so @length may optionally
* be %NULL.
*
* Returns: (array length=length) (transfer full): a newly allocated %NULL-terminated array of group names.
* Use g_strfreev() to free it.
*
* Since: 2.12
*/
gchar **
g_bookmark_file_get_groups (GBookmarkFile *bookmark,
const gchar *uri,
gsize *length,
GError **error)
{
BookmarkItem *item;
GList *l;
gsize len, i;
gchar **retval;
g_return_val_if_fail (bookmark != NULL, NULL);
g_return_val_if_fail (uri != NULL, NULL);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return NULL;
}
if (!item->metadata)
{
if (length)
*length = 0;
return NULL;
}
len = g_list_length (item->metadata->groups);
retval = g_new0 (gchar *, len + 1);
for (l = g_list_last (item->metadata->groups), i = 0;
l != NULL;
l = l->prev)
{
gchar *group_name = (gchar *) l->data;
g_warn_if_fail (group_name != NULL);
retval[i++] = g_strdup (group_name);
}
retval[i] = NULL;
if (length)
*length = len;
return retval;
}
/**
* g_bookmark_file_add_application:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @name: (allow-none): the name of the application registering the bookmark
* or %NULL
* @exec: (allow-none): command line to be used to launch the bookmark or %NULL
*
* Adds the application with @name and @exec to the list of
* applications that have registered a bookmark for @uri into
* @bookmark.
*
* Every bookmark inside a #GBookmarkFile must have at least an
* application registered. Each application must provide a name, a
* command line useful for launching the bookmark, the number of times
* the bookmark has been registered by the application and the last
* time the application registered this bookmark.
*
* If @name is %NULL, the name of the application will be the
* same returned by g_get_application_name(); if @exec is %NULL, the
* command line will be a composition of the program name as
* returned by g_get_prgname() and the "\%u" modifier, which will be
* expanded to the bookmark's URI.
*
* This function will automatically take care of updating the
* registrations count and timestamping in case an application
* with the same @name had already registered a bookmark for
* @uri inside @bookmark.
*
* If no bookmark for @uri is found, one is created.
*
* Since: 2.12
*/
void
g_bookmark_file_add_application (GBookmarkFile *bookmark,
const gchar *uri,
const gchar *name,
const gchar *exec)
{
BookmarkItem *item;
gchar *app_name, *app_exec;
g_return_if_fail (bookmark != NULL);
g_return_if_fail (uri != NULL);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
item = bookmark_item_new (uri);
g_bookmark_file_add_item (bookmark, item, NULL);
}
if (name && name[0] != '\0')
app_name = g_strdup (name);
else
app_name = g_strdup (g_get_application_name ());
if (exec && exec[0] != '\0')
app_exec = g_strdup (exec);
else
app_exec = g_strjoin (" ", g_get_prgname(), "%u", NULL);
g_bookmark_file_set_app_info (bookmark, uri,
app_name,
app_exec,
-1,
(time_t) -1,
NULL);
g_free (app_exec);
g_free (app_name);
}
/**
* g_bookmark_file_remove_application:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @name: the name of the application
* @error: return location for a #GError or %NULL
*
* Removes application registered with @name from the list of applications
* that have registered a bookmark for @uri inside @bookmark.
*
* In the event the URI cannot be found, %FALSE is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND.
* In the event that no application with name @app_name has registered
* a bookmark for @uri, %FALSE is returned and error is set to
* #G_BOOKMARK_FILE_ERROR_APP_NOT_REGISTERED.
*
* Returns: %TRUE if the application was successfully removed.
*
* Since: 2.12
*/
gboolean
g_bookmark_file_remove_application (GBookmarkFile *bookmark,
const gchar *uri,
const gchar *name,
GError **error)
{
GError *set_error;
gboolean retval;
g_return_val_if_fail (bookmark != NULL, FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
g_return_val_if_fail (name != NULL, FALSE);
set_error = NULL;
retval = g_bookmark_file_set_app_info (bookmark, uri,
name,
"",
0,
(time_t) -1,
&set_error);
if (set_error)
{
g_propagate_error (error, set_error);
return FALSE;
}
return retval;
}
/**
* g_bookmark_file_has_application:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @name: the name of the application
* @error: return location for a #GError or %NULL
*
* Checks whether the bookmark for @uri inside @bookmark has been
* registered by application @name.
*
* In the event the URI cannot be found, %FALSE is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND.
*
* Returns: %TRUE if the application @name was found
*
* Since: 2.12
*/
gboolean
g_bookmark_file_has_application (GBookmarkFile *bookmark,
const gchar *uri,
const gchar *name,
GError **error)
{
BookmarkItem *item;
g_return_val_if_fail (bookmark != NULL, FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
g_return_val_if_fail (name != NULL, FALSE);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return FALSE;
}
return (NULL != bookmark_item_lookup_app_info (item, name));
}
/**
* g_bookmark_file_set_app_info:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @name: an application's name
* @exec: an application's command line
* @count: the number of registrations done for this application
* @stamp: the time of the last registration for this application
* @error: return location for a #GError or %NULL
*
* Sets the meta-data of application @name inside the list of
* applications that have registered a bookmark for @uri inside
* @bookmark.
*
* You should rarely use this function; use g_bookmark_file_add_application()
* and g_bookmark_file_remove_application() instead.
*
* @name can be any UTF-8 encoded string used to identify an
* application.
* @exec can have one of these two modifiers: "\%f", which will
* be expanded as the local file name retrieved from the bookmark's
* URI; "\%u", which will be expanded as the bookmark's URI.
* The expansion is done automatically when retrieving the stored
* command line using the g_bookmark_file_get_app_info() function.
* @count is the number of times the application has registered the
* bookmark; if is < 0, the current registration count will be increased
* by one, if is 0, the application with @name will be removed from
* the list of registered applications.
* @stamp is the Unix time of the last registration; if it is -1, the
* current time will be used.
*
* If you try to remove an application by setting its registration count to
* zero, and no bookmark for @uri is found, %FALSE is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND; similarly,
* in the event that no application @name has registered a bookmark
* for @uri, %FALSE is returned and error is set to
* #G_BOOKMARK_FILE_ERROR_APP_NOT_REGISTERED. Otherwise, if no bookmark
* for @uri is found, one is created.
*
* Returns: %TRUE if the application's meta-data was successfully
* changed.
*
* Since: 2.12
*/
gboolean
g_bookmark_file_set_app_info (GBookmarkFile *bookmark,
const gchar *uri,
const gchar *name,
const gchar *exec,
gint count,
time_t stamp,
GError **error)
{
BookmarkItem *item;
BookmarkAppInfo *ai;
g_return_val_if_fail (bookmark != NULL, FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
g_return_val_if_fail (name != NULL, FALSE);
g_return_val_if_fail (exec != NULL, FALSE);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
if (count == 0)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return FALSE;
}
else
{
item = bookmark_item_new (uri);
g_bookmark_file_add_item (bookmark, item, NULL);
}
}
if (!item->metadata)
item->metadata = bookmark_metadata_new ();
ai = bookmark_item_lookup_app_info (item, name);
if (!ai)
{
if (count == 0)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_APP_NOT_REGISTERED,
_("No application with name '%s' registered a bookmark for '%s'"),
name,
uri);
return FALSE;
}
else
{
ai = bookmark_app_info_new (name);
item->metadata->applications = g_list_prepend (item->metadata->applications, ai);
g_hash_table_replace (item->metadata->apps_by_name, ai->name, ai);
}
}
if (count == 0)
{
item->metadata->applications = g_list_remove (item->metadata->applications, ai);
g_hash_table_remove (item->metadata->apps_by_name, ai->name);
bookmark_app_info_free (ai);
item->modified = time (NULL);
return TRUE;
}
else if (count > 0)
ai->count = count;
else
ai->count += 1;
if (stamp != (time_t) -1)
ai->stamp = stamp;
else
ai->stamp = time (NULL);
if (exec && exec[0] != '\0')
{
g_free (ai->exec);
ai->exec = g_shell_quote (exec);
}
item->modified = time (NULL);
return TRUE;
}
/* expands the application's command line */
static gchar *
expand_exec_line (const gchar *exec_fmt,
const gchar *uri)
{
GString *exec;
gchar ch;
exec = g_string_sized_new (512);
while ((ch = *exec_fmt++) != '\0')
{
if (ch != '%')
{
exec = g_string_append_c (exec, ch);
continue;
}
ch = *exec_fmt++;
switch (ch)
{
case '\0':
goto out;
case 'U':
case 'u':
g_string_append (exec, uri);
break;
case 'F':
case 'f':
{
gchar *file = g_filename_from_uri (uri, NULL, NULL);
if (file)
{
g_string_append (exec, file);
g_free (file);
}
else
{
g_string_free (exec, TRUE);
return NULL;
}
}
break;
case '%':
default:
exec = g_string_append_c (exec, ch);
break;
}
}
out:
return g_string_free (exec, FALSE);
}
/**
* g_bookmark_file_get_app_info:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @name: an application's name
* @exec: (allow-none) (out): return location for the command line of the application, or %NULL
* @count: (allow-none) (out): return location for the registration count, or %NULL
* @stamp: (allow-none) (out): return location for the last registration time, or %NULL
* @error: return location for a #GError, or %NULL
*
* Gets the registration informations of @app_name for the bookmark for
* @uri. See g_bookmark_file_set_app_info() for more informations about
* the returned data.
*
* The string returned in @app_exec must be freed.
*
* In the event the URI cannot be found, %FALSE is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND. In the
* event that no application with name @app_name has registered a bookmark
* for @uri, %FALSE is returned and error is set to
* #G_BOOKMARK_FILE_ERROR_APP_NOT_REGISTERED. In the event that unquoting
* the command line fails, an error of the #G_SHELL_ERROR domain is
* set and %FALSE is returned.
*
* Returns: %TRUE on success.
*
* Since: 2.12
*/
gboolean
g_bookmark_file_get_app_info (GBookmarkFile *bookmark,
const gchar *uri,
const gchar *name,
gchar **exec,
guint *count,
time_t *stamp,
GError **error)
{
BookmarkItem *item;
BookmarkAppInfo *ai;
g_return_val_if_fail (bookmark != NULL, FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
g_return_val_if_fail (name != NULL, FALSE);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return FALSE;
}
ai = bookmark_item_lookup_app_info (item, name);
if (!ai)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_APP_NOT_REGISTERED,
_("No application with name '%s' registered a bookmark for '%s'"),
name,
uri);
return FALSE;
}
if (exec)
{
GError *unquote_error = NULL;
gchar *command_line;
command_line = g_shell_unquote (ai->exec, &unquote_error);
if (unquote_error)
{
g_propagate_error (error, unquote_error);
return FALSE;
}
*exec = expand_exec_line (command_line, uri);
if (!*exec)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_INVALID_URI,
_("Failed to expand exec line '%s' with URI '%s'"),
ai->exec, uri);
g_free (command_line);
return FALSE;
}
else
g_free (command_line);
}
if (count)
*count = ai->count;
if (stamp)
*stamp = ai->stamp;
return TRUE;
}
/**
* g_bookmark_file_get_applications:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @length: (allow-none) (out): return location of the length of the returned list, or %NULL
* @error: return location for a #GError, or %NULL
*
* Retrieves the names of the applications that have registered the
* bookmark for @uri.
*
* In the event the URI cannot be found, %NULL is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND.
*
* Returns: (array length=length) (transfer full): a newly allocated %NULL-terminated array of strings.
* Use g_strfreev() to free it.
*
* Since: 2.12
*/
gchar **
g_bookmark_file_get_applications (GBookmarkFile *bookmark,
const gchar *uri,
gsize *length,
GError **error)
{
BookmarkItem *item;
GList *l;
gchar **apps;
gsize i, n_apps;
g_return_val_if_fail (bookmark != NULL, NULL);
g_return_val_if_fail (uri != NULL, NULL);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return NULL;
}
if (!item->metadata)
{
if (length)
*length = 0;
return NULL;
}
n_apps = g_list_length (item->metadata->applications);
apps = g_new0 (gchar *, n_apps + 1);
for (l = g_list_last (item->metadata->applications), i = 0;
l != NULL;
l = l->prev)
{
BookmarkAppInfo *ai;
ai = (BookmarkAppInfo *) l->data;
g_warn_if_fail (ai != NULL);
g_warn_if_fail (ai->name != NULL);
apps[i++] = g_strdup (ai->name);
}
apps[i] = NULL;
if (length)
*length = i;
return apps;
}
/**
* g_bookmark_file_get_size:
* @bookmark: a #GBookmarkFile
*
* Gets the number of bookmarks inside @bookmark.
*
* Returns: the number of bookmarks
*
* Since: 2.12
*/
gint
g_bookmark_file_get_size (GBookmarkFile *bookmark)
{
g_return_val_if_fail (bookmark != NULL, 0);
return g_list_length (bookmark->items);
}
/**
* g_bookmark_file_move_item:
* @bookmark: a #GBookmarkFile
* @old_uri: a valid URI
* @new_uri: (allow-none): a valid URI, or %NULL
* @error: return location for a #GError or %NULL
*
* Changes the URI of a bookmark item from @old_uri to @new_uri. Any
* existing bookmark for @new_uri will be overwritten. If @new_uri is
* %NULL, then the bookmark is removed.
*
* In the event the URI cannot be found, %FALSE is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND.
*
* Returns: %TRUE if the URI was successfully changed
*
* Since: 2.12
*/
gboolean
g_bookmark_file_move_item (GBookmarkFile *bookmark,
const gchar *old_uri,
const gchar *new_uri,
GError **error)
{
BookmarkItem *item;
g_return_val_if_fail (bookmark != NULL, FALSE);
g_return_val_if_fail (old_uri != NULL, FALSE);
item = g_bookmark_file_lookup_item (bookmark, old_uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
old_uri);
return FALSE;
}
if (new_uri && new_uri[0] != '\0')
{
if (g_bookmark_file_has_item (bookmark, new_uri))
{
if (!g_bookmark_file_remove_item (bookmark, new_uri, error))
return FALSE;
}
g_hash_table_steal (bookmark->items_by_uri, item->uri);
g_free (item->uri);
item->uri = g_strdup (new_uri);
item->modified = time (NULL);
g_hash_table_replace (bookmark->items_by_uri, item->uri, item);
return TRUE;
}
else
{
if (!g_bookmark_file_remove_item (bookmark, old_uri, error))
return FALSE;
return TRUE;
}
}
/**
* g_bookmark_file_set_icon:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @href: (allow-none): the URI of the icon for the bookmark, or %NULL
* @mime_type: the MIME type of the icon for the bookmark
*
* Sets the icon for the bookmark for @uri. If @href is %NULL, unsets
* the currently set icon. @href can either be a full URL for the icon
* file or the icon name following the Icon Naming specification.
*
* If no bookmark for @uri is found one is created.
*
* Since: 2.12
*/
void
g_bookmark_file_set_icon (GBookmarkFile *bookmark,
const gchar *uri,
const gchar *href,
const gchar *mime_type)
{
BookmarkItem *item;
g_return_if_fail (bookmark != NULL);
g_return_if_fail (uri != NULL);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
item = bookmark_item_new (uri);
g_bookmark_file_add_item (bookmark, item, NULL);
}
if (!item->metadata)
item->metadata = bookmark_metadata_new ();
g_free (item->metadata->icon_href);
g_free (item->metadata->icon_mime);
item->metadata->icon_href = g_strdup (href);
if (mime_type && mime_type[0] != '\0')
item->metadata->icon_mime = g_strdup (mime_type);
else
item->metadata->icon_mime = g_strdup ("application/octet-stream");
item->modified = time (NULL);
}
/**
* g_bookmark_file_get_icon:
* @bookmark: a #GBookmarkFile
* @uri: a valid URI
* @href: (allow-none) (out): return location for the icon's location or %NULL
* @mime_type: (allow-none) (out): return location for the icon's MIME type or %NULL
* @error: return location for a #GError or %NULL
*
* Gets the icon of the bookmark for @uri.
*
* In the event the URI cannot be found, %FALSE is returned and
* @error is set to #G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND.
*
* Returns: %TRUE if the icon for the bookmark for the URI was found.
* You should free the returned strings.
*
* Since: 2.12
*/
gboolean
g_bookmark_file_get_icon (GBookmarkFile *bookmark,
const gchar *uri,
gchar **href,
gchar **mime_type,
GError **error)
{
BookmarkItem *item;
g_return_val_if_fail (bookmark != NULL, FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
item = g_bookmark_file_lookup_item (bookmark, uri);
if (!item)
{
g_set_error (error, G_BOOKMARK_FILE_ERROR,
G_BOOKMARK_FILE_ERROR_URI_NOT_FOUND,
_("No bookmark found for URI '%s'"),
uri);
return FALSE;
}
if ((!item->metadata) || (!item->metadata->icon_href))
return FALSE;
if (href)
*href = g_strdup (item->metadata->icon_href);
if (mime_type)
*mime_type = g_strdup (item->metadata->icon_mime);
return TRUE;
}