--- a/gstreamer_core/gst/gstregistryxml.c Wed Mar 24 17:58:42 2010 -0500
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,964 +0,0 @@
-/* GStreamer
- * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
- * 2000 Wim Taymans <wtay@chello.be>
- * 2005 David A. Schleef <ds@schleef.org>
- *
- * gstregistryxml.c: GstRegistry object, support routines
- *
- * This library is free software; you can redistribute it and/or
- * modify it ulnder 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,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <stdio.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <dirent.h>
-#include <fcntl.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#include <gst/gst_private.h>
-#include <gst/gstelement.h>
-#include <gst/gsttypefind.h>
-#include <gst/gsttypefindfactory.h>
-#include <gst/gsturi.h>
-#include <gst/gstinfo.h>
-#include <gst/gstenumtypes.h>
-#include <gst/gstregistry.h>
-
-#include <libxml/xmlreader.h>
-
-#include "glib-compat-private.h"
-#include <glib/gstdio.h>
-
-#define BLOCK_SIZE 1024*10
-
-#define GST_CAT_DEFAULT GST_CAT_REGISTRY
-
-#define CLASS(registry) GST_XML_REGISTRY_CLASS (G_OBJECT_GET_CLASS (registry))
-
-static gboolean
-gst_registry_save (GstRegistry * registry, gchar * format, ...)
-{
- va_list var_args;
- gsize written, len;
- gboolean ret;
- char *str;
-
- va_start (var_args, format);
- str = g_strdup_vprintf (format, var_args);
- va_end (var_args);
-
- len = strlen (str);
-
- written = write (registry->cache_file, str, len);
-
- if (len == written)
- ret = TRUE;
- else {
- ret = FALSE;
- GST_ERROR ("Failed to write registry to temporary file: %s",
- g_strerror (errno));
- }
-
- g_free (str);
-
- return ret;
-}
-
-static void
-add_to_char_array (gchar *** array, gchar * value)
-{
- gchar **new;
- gchar **old = *array;
- gint i = 0;
-
- /* expensive, but cycles are cheap... */
- if (old)
- while (old[i])
- i++;
- new = g_new0 (gchar *, i + 2);
- new[i] = value;
- while (i > 0) {
- i--;
- new[i] = old[i];
- }
- g_free (old);
- *array = new;
-}
-
-/* read a string and copy it into the given location */
-static gboolean
-read_string (xmlTextReaderPtr reader, gchar ** write_to, gboolean allow_blank)
-{
- int depth = xmlTextReaderDepth (reader);
- gboolean found = FALSE;
-
- while (xmlTextReaderRead (reader) == 1) {
- if (xmlTextReaderDepth (reader) == depth) {
- if (allow_blank && !found &&
- xmlTextReaderNodeType (reader) == XML_READER_TYPE_END_ELEMENT) {
- /* Allow blank strings */
- *write_to = g_strdup ("");
- found = TRUE;
- }
- return found;
- }
- if (xmlTextReaderNodeType (reader) == XML_READER_TYPE_TEXT) {
- xmlChar *value;
-
- if (found)
- return FALSE;
-
- value = xmlTextReaderValue (reader);
- *write_to = g_strdup ((gchar *) value);
- xmlFree (value);
-
- found = TRUE;
- }
- }
- return FALSE;
-}
-
-static gboolean
-read_const_interned_string (xmlTextReaderPtr reader, const gchar ** write_to,
- gboolean allow_blank)
-{
- gchar *s = NULL;
-
- if (!read_string (reader, &s, allow_blank))
- return FALSE;
-
- *write_to = g_intern_string (s);
- g_free (s);
- return TRUE;
-}
-
-static gboolean
-read_uint (xmlTextReaderPtr reader, guint * write_to)
-{
- int depth = xmlTextReaderDepth (reader);
- gboolean found = FALSE;
-
- while (xmlTextReaderRead (reader) == 1) {
- if (xmlTextReaderDepth (reader) == depth)
- return found;
- if (xmlTextReaderNodeType (reader) == XML_READER_TYPE_TEXT) {
- gchar *ret;
- const gchar *s;
-
- if (found) {
- GST_DEBUG ("failed to read uint, multiple text nodes");
- return FALSE;
- }
- s = (const gchar *) xmlTextReaderConstValue (reader);
- *write_to = strtol (s, &ret, 0);
- if (s == ret) {
- GST_DEBUG ("failed to read uint, text didn't convert to int");
- return FALSE;
- }
- found = TRUE;
- }
- }
- GST_DEBUG ("failed to read uint, no text node");
- return FALSE;
-}
-
-static gboolean
-read_enum (xmlTextReaderPtr reader, GType enum_type, guint * write_to)
-{
- int depth = xmlTextReaderDepth (reader);
- gboolean found = FALSE;
-
- if (*write_to)
- return FALSE;
- while (xmlTextReaderRead (reader) == 1) {
- if (xmlTextReaderDepth (reader) == depth)
- return found;
- if (xmlTextReaderNodeType (reader) == XML_READER_TYPE_TEXT) {
- GEnumClass *enum_class;
- GEnumValue *value;
-
- if (found)
- return FALSE;
- enum_class = g_type_class_ref (enum_type);
- if (!enum_class)
- return FALSE;
- value =
- g_enum_get_value_by_nick (enum_class,
- (gchar *) xmlTextReaderConstValue (reader));
- if (value) {
- *write_to = value->value;
- found = TRUE;
- }
- g_type_class_unref (enum_class);
- }
- }
- return FALSE;
-}
-
-static GstStaticPadTemplate *
-load_pad_template (xmlTextReaderPtr reader)
-{
- int ret;
- int depth = xmlTextReaderDepth (reader);
- const gchar *name = NULL;
- gchar *caps_str = NULL;
- guint direction = 0, presence = 0;
-
- while ((ret = xmlTextReaderRead (reader)) == 1) {
- if (xmlTextReaderDepth (reader) == depth) {
- GstStaticPadTemplate *template;
-
- template = g_new0 (GstStaticPadTemplate, 1);
- template->name_template = name; /* must be an interned string! */
- template->presence = presence;
- template->direction = direction;
- template->static_caps.string = caps_str;
-
- return template;
- }
- if (xmlTextReaderNodeType (reader) == XML_READER_TYPE_ELEMENT &&
- xmlTextReaderDepth (reader) == depth + 1) {
- const gchar *tag = (gchar *) xmlTextReaderConstName (reader);
-
- if (g_str_equal (tag, "nametemplate")) {
- read_const_interned_string (reader, &name, FALSE);
- } else if (g_str_equal (tag, "direction")) {
- read_enum (reader, GST_TYPE_PAD_DIRECTION, &direction);
- } else if (g_str_equal (tag, "presence")) {
- read_enum (reader, GST_TYPE_PAD_PRESENCE, &presence);
- } else if (!strncmp (tag, "caps", 4)) {
- read_string (reader, &caps_str, FALSE);
- }
- }
- }
- g_free (caps_str);
-
- return NULL;
-}
-
-static GstPluginFeature *
-load_feature (xmlTextReaderPtr reader)
-{
- int ret;
- int depth;
- xmlChar *feature_name;
- GstPluginFeature *feature;
- GType type;
-
- depth = xmlTextReaderDepth (reader);
- feature_name = xmlTextReaderGetAttribute (reader, BAD_CAST "typename");
-
- GST_LOG ("loading feature '%s'", GST_STR_NULL ((const char *) feature_name));
-
- if (!feature_name)
- return NULL;
-
- type = g_type_from_name ((const char *) feature_name);
- xmlFree (feature_name);
- feature_name = NULL;
-
- if (!type) {
- return NULL;
- }
- feature = g_object_new (type, NULL);
- if (!feature) {
- return NULL;
- }
- if (!GST_IS_PLUGIN_FEATURE (feature)) {
- /* don't really know what it is */
- if (GST_IS_OBJECT (feature))
- gst_object_unref (feature);
- else
- g_object_unref (feature);
- return NULL;
- }
- while ((ret = xmlTextReaderRead (reader)) == 1) {
- if (xmlTextReaderDepth (reader) == depth) {
- GST_LOG ("loaded feature %p with name %s", feature, feature->name);
- return feature;
- }
- if (xmlTextReaderNodeType (reader) == XML_READER_TYPE_ELEMENT &&
- xmlTextReaderDepth (reader) == depth + 1) {
- const gchar *tag = (gchar *) xmlTextReaderConstName (reader);
-
- if (g_str_equal (tag, "name"))
- read_string (reader, &feature->name, FALSE);
- else if (g_str_equal (tag, "rank"))
- read_uint (reader, &feature->rank);
-
- if (GST_IS_ELEMENT_FACTORY (feature)) {
- GstElementFactory *factory = GST_ELEMENT_FACTORY_CAST (feature);
-
- if (g_str_equal (tag, "longname")) {
- int ret;
-
- ret = read_string (reader, &factory->details.longname, TRUE);
- GST_LOG ("longname ret=%d, name=%s", ret, factory->details.longname);
- } else if (g_str_equal (tag, "class")) {
- read_string (reader, &factory->details.klass, TRUE);
- } else if (g_str_equal (tag, "description")) {
- read_string (reader, &factory->details.description, TRUE);
- } else if (g_str_equal (tag, "author")) {
- read_string (reader, &factory->details.author, TRUE);
- } else if (g_str_equal (tag, "uri_type")) {
- gchar *s = NULL;
-
- if (read_string (reader, &s, FALSE)) {
- if (g_ascii_strncasecmp (s, "sink", 4) == 0) {
- factory->uri_type = GST_URI_SINK;
- } else if (g_ascii_strncasecmp (s, "source", 5) == 0) {
- factory->uri_type = GST_URI_SRC;
- }
- g_free (s);
- }
- } else if (g_str_equal (tag, "uri_protocol")) {
- gchar *s = NULL;
-
- if (read_string (reader, &s, FALSE))
- add_to_char_array (&factory->uri_protocols, s);
- } else if (g_str_equal (tag, "interface")) {
- gchar *s = NULL;
-
- if (read_string (reader, &s, FALSE)) {
- __gst_element_factory_add_interface (factory, s);
- /* add_interface strdup's s */
- g_free (s);
- }
- } else if (g_str_equal (tag, "padtemplate")) {
- GstStaticPadTemplate *template = load_pad_template (reader);
-
- if (template) {
- GST_LOG ("adding template %s to factory %s",
- GST_STR_NULL (GST_PAD_TEMPLATE_NAME_TEMPLATE (template)),
- GST_PLUGIN_FEATURE_NAME (feature));
- __gst_element_factory_add_static_pad_template (factory, template);
- }
- }
- } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
- GstTypeFindFactory *factory = GST_TYPE_FIND_FACTORY (feature);
-
- if (g_str_equal (tag, "extension")) {
- gchar *s = NULL;
-
- if (read_string (reader, &s, TRUE))
- add_to_char_array (&factory->extensions, s);
- } else if (g_str_equal (tag, "caps")) {
- gchar *s = NULL;
-
- if (read_string (reader, &s, FALSE)) {
- factory->caps = gst_caps_from_string (s);
- g_free (s);
- }
- }
-#ifndef GST_DISABLE_INDEX
- } else if (GST_IS_INDEX_FACTORY (feature)) {
- GstIndexFactory *factory = GST_INDEX_FACTORY (feature);
-
- if (g_str_equal (tag, "longdesc"))
- read_string (reader, &factory->longdesc, TRUE);
-#endif
- }
- }
- }
-
- GST_WARNING ("Error reading feature from registry: registry corrupt?");
- return NULL;
-}
-
-static GstPlugin *
-load_plugin (xmlTextReaderPtr reader, GList ** feature_list)
-{
- int ret;
- GstPlugin *plugin;
-
- *feature_list = NULL;
-
- GST_LOG ("creating new plugin and parsing");
-
- plugin = g_object_new (GST_TYPE_PLUGIN, NULL);
-
- plugin->flags |= GST_PLUGIN_FLAG_CACHED;
- while ((ret = xmlTextReaderRead (reader)) == 1) {
- if (xmlTextReaderDepth (reader) == 1) {
- return plugin;
- }
- if (xmlTextReaderNodeType (reader) == XML_READER_TYPE_ELEMENT &&
- xmlTextReaderDepth (reader) == 2) {
- const gchar *tag = (gchar *) xmlTextReaderConstName (reader);
-
- if (g_str_equal (tag, "name")) {
- int ret;
-
- ret = read_const_interned_string (reader, &plugin->desc.name, FALSE);
- GST_LOG ("name ret=%d, name=%s", ret, plugin->desc.name);
- if (!ret)
- break;
- } else if (g_str_equal (tag, "description")) {
- if (!read_string (reader, &plugin->desc.description, TRUE)) {
- GST_WARNING ("description field was invalid in registry");
- break;
- }
- GST_LOG ("description %s", plugin->desc.description);
- } else if (g_str_equal (tag, "filename")) {
- if (!read_string (reader, &plugin->filename, FALSE)) {
- GST_WARNING ("filename field was invalid in registry");
- break;
- }
- GST_LOG ("filename %s", plugin->filename);
- plugin->basename = g_path_get_basename (plugin->filename);
- } else if (g_str_equal (tag, "version")) {
- if (!read_const_interned_string (reader, &plugin->desc.version, TRUE)) {
- GST_WARNING ("version field was invalid in registry");
- break;
- }
- GST_LOG ("version %s", plugin->desc.version);
- } else if (g_str_equal (tag, "license")) {
- if (!read_const_interned_string (reader, &plugin->desc.license, TRUE)) {
- GST_WARNING ("license field was invalid in registry");
- break;
- }
- GST_LOG ("license %s", plugin->desc.license);
- } else if (g_str_equal (tag, "source")) {
- if (!read_const_interned_string (reader, &plugin->desc.source, TRUE)) {
- GST_WARNING ("source field was invalid in registry");
- break;
- }
- GST_LOG ("source %s", plugin->desc.source);
- } else if (g_str_equal (tag, "package")) {
- if (!read_const_interned_string (reader, &plugin->desc.package, TRUE)) {
- GST_WARNING ("package field was invalid in registry");
- break;
- }
- GST_LOG ("package %s", plugin->desc.package);
- } else if (g_str_equal (tag, "origin")) {
- if (!read_const_interned_string (reader, &plugin->desc.origin, TRUE)) {
- GST_WARNING ("failed to read origin");
- break;
- }
- } else if (g_str_equal (tag, "m32p")) {
- char *s;
-
- if (!read_string (reader, &s, FALSE)) {
- GST_WARNING ("failed to read mtime");
- break;
- }
- plugin->file_mtime = strtol (s, NULL, 0);
- GST_LOG ("mtime %d", (int) plugin->file_mtime);
- g_free (s);
- } else if (g_str_equal (tag, "size")) {
- unsigned int x;
-
- if (read_uint (reader, &x)) {
- plugin->file_size = x;
- GST_LOG ("file_size %" G_GINT64_FORMAT, (gint64) plugin->file_size);
- } else {
- GST_WARNING ("failed to read size");
- }
- } else if (g_str_equal (tag, "feature")) {
- GstPluginFeature *feature = load_feature (reader);
-
- if (feature) {
- feature->plugin_name = plugin->desc.name; /* interned string */
- *feature_list = g_list_prepend (*feature_list, feature);
- }
- } else {
- GST_WARNING ("unknown tag %s", tag);
- }
- }
- }
- gst_object_unref (plugin);
-
- GST_WARNING ("problem reading plugin");
-
- return NULL;
-}
-
-/**
- * gst_registry_xml_read_cache:
- * @registry: a #GstRegistry
- * @location: a filename
- *
- * Read the contents of the XML cache file at @location into @registry.
- *
- * Returns: %TRUE on success.
- */
-gboolean
-gst_registry_xml_read_cache (GstRegistry * registry, const char *location)
-{
- GMappedFile *mapped = NULL;
- GTimer *timer;
- gdouble seconds;
- xmlTextReaderPtr reader = NULL;
- int ret;
- gboolean in_registry = FALSE;
- FILE *file = NULL;
-
- /* make sure these types exist */
- GST_TYPE_ELEMENT_FACTORY;
- GST_TYPE_TYPE_FIND_FACTORY;
-#ifndef GST_DISABLE_INDEX
- GST_TYPE_INDEX_FACTORY;
-#endif
-
- timer = g_timer_new ();
-
- mapped = g_mapped_file_new (location, FALSE, NULL);
- if (mapped) {
- reader = xmlReaderForMemory (g_mapped_file_get_contents (mapped),
- g_mapped_file_get_length (mapped), NULL, NULL, 0);
- if (reader == NULL) {
- g_mapped_file_free (mapped);
- mapped = NULL;
- }
- }
-
- if (reader == NULL) {
- file = fopen (location, "r");
- if (file == NULL) {
- g_timer_destroy (timer);
- return FALSE;
- }
-
- reader = xmlReaderForFd (fileno (file), NULL, NULL, 0);
- if (!reader) {
- fclose (file);
- g_timer_destroy (timer);
- return FALSE;
- }
- }
-
- while ((ret = xmlTextReaderRead (reader)) == 1) {
- if (xmlTextReaderDepth (reader) == 0) {
- in_registry = xmlTextReaderNodeType (reader) == XML_READER_TYPE_ELEMENT &&
- g_str_equal ("GST-PluginRegistry", xmlTextReaderConstName (reader));
- } else if (in_registry) {
- if (xmlTextReaderDepth (reader) == 1 &&
- xmlTextReaderNodeType (reader) == XML_READER_TYPE_ELEMENT) {
- const gchar *tag = (const gchar *) xmlTextReaderConstName (reader);
-
- if (g_str_equal (tag, "plugin")) {
- GList *feature_list;
- GstPlugin *plugin = load_plugin (reader, &feature_list);
-
- if (plugin) {
- GList *g;
-
- gst_registry_add_plugin (registry, plugin);
- for (g = feature_list; g; g = g_list_next (g)) {
- gst_registry_add_feature (registry,
- GST_PLUGIN_FEATURE_CAST (g->data));
- }
- g_list_free (feature_list);
- }
- }
- }
- }
- }
- xmlFreeTextReader (reader);
- if (ret != 0) {
- GST_ERROR ("parsing registry cache: %s", location);
- if (mapped)
- g_mapped_file_free (mapped);
- if (file)
- fclose (file);
- g_timer_destroy (timer);
- return FALSE;
- }
-
- g_timer_stop (timer);
- seconds = g_timer_elapsed (timer, NULL);
- g_timer_destroy (timer);
-
- GST_INFO ("loaded %s in %lf seconds", location, seconds);
-
- if (mapped)
- g_mapped_file_free (mapped);
-
- if (file)
- fclose (file);
-
- return TRUE;
-}
-
-/*
- * Save
- */
-static gboolean
-gst_registry_save_escaped (GstRegistry * registry, const char *prefix,
- const char *tag, const char *value)
-{
- gboolean ret = TRUE;
-
- if (value) {
- gchar *v;
-
- if (g_utf8_validate (value, -1, NULL)) {
- v = g_markup_escape_text (value, -1);
- } else {
- g_warning ("Invalid UTF-8 while saving registry tag '%s'", tag);
- v = g_strdup ("[ERROR: invalid UTF-8]");
- }
-
- ret = gst_registry_save (registry, "%s<%s>%s</%s>\n", prefix, tag, v, tag);
- g_free (v);
- }
-
- return ret;
-}
-
-
-static gboolean
-gst_registry_xml_save_caps (GstRegistry * registry, const GstCaps * caps)
-{
- /* we copy the caps here so we can simplify them before saving. This is a lot
- * faster when loading them later on */
- char *s;
- GstCaps *copy = gst_caps_copy (caps);
- gboolean ret;
-
- gst_caps_do_simplify (copy);
- s = gst_caps_to_string (copy);
- gst_caps_unref (copy);
-
- ret = gst_registry_save_escaped (registry, " ", "caps", s);
- g_free (s);
- return ret;
-}
-
-static gboolean
-gst_registry_xml_save_pad_template (GstRegistry * registry,
- GstStaticPadTemplate * template)
-{
- gchar *presence;
-
- if (!gst_registry_save_escaped (registry, " ", "nametemplate",
- template->name_template))
- return FALSE;
-
- if (!gst_registry_save (registry,
- " <direction>%s</direction>\n",
- (template->direction == GST_PAD_SINK ? "sink" : "src")))
- return FALSE;
-
- switch (template->presence) {
- case GST_PAD_ALWAYS:
- presence = "always";
- break;
- case GST_PAD_SOMETIMES:
- presence = "sometimes";
- break;
- case GST_PAD_REQUEST:
- presence = "request";
- break;
- default:
- presence = "unknown";
- break;
- }
- if (!gst_registry_save (registry, " <presence>%s</presence>\n", presence))
- return FALSE;
-
- if (template->static_caps.string) {
- if (!gst_registry_save (registry, " <caps>%s</caps>\n",
- template->static_caps.string))
- return FALSE;
- }
- return TRUE;
-}
-
-static gboolean
-gst_registry_xml_save_feature (GstRegistry * registry,
- GstPluginFeature * feature)
-{
- if (!gst_registry_save_escaped (registry, " ", "name", feature->name))
- return FALSE;
-
- if (feature->rank > 0) {
- gint rank = feature->rank;
-
- if (!gst_registry_save (registry, " <rank>%d</rank>\n", rank))
- return FALSE;
- }
-
- if (GST_IS_ELEMENT_FACTORY (feature)) {
- GstElementFactory *factory = GST_ELEMENT_FACTORY (feature);
- GList *walk;
-
- if (!gst_registry_save_escaped (registry, " ", "longname",
- factory->details.longname))
- return FALSE;
- if (!gst_registry_save_escaped (registry, " ", "class",
- factory->details.klass))
- return FALSE;
- if (!gst_registry_save_escaped (registry, " ", "description",
- factory->details.description))
- return FALSE;
- if (!gst_registry_save_escaped (registry, " ", "author",
- factory->details.author))
- return FALSE;
-
- walk = factory->staticpadtemplates;
-
- while (walk) {
- GstStaticPadTemplate *template = walk->data;
-
- if (!gst_registry_save (registry, " <padtemplate>\n"))
- return FALSE;
- if (!gst_registry_xml_save_pad_template (registry, template))
- return FALSE;
- if (!gst_registry_save (registry, " </padtemplate>\n"))
- return FALSE;
-
- walk = g_list_next (walk);
- }
-
- walk = factory->interfaces;
- while (walk) {
- if (!gst_registry_save_escaped (registry, " ", "interface",
- (gchar *) walk->data))
- return FALSE;
- walk = g_list_next (walk);
- }
-
- if (GST_URI_TYPE_IS_VALID (factory->uri_type)) {
- if (!gst_registry_save_escaped (registry, " ", "uri_type",
- factory->uri_type == GST_URI_SINK ? "sink" : "source"))
- return FALSE;
- if (factory->uri_protocols) {
- gchar **protocol;
-
- protocol = factory->uri_protocols;
- while (*protocol) {
- if (!gst_registry_save_escaped (registry, " ", "uri_protocol",
- *protocol))
- return FALSE;
- protocol++;
- }
- } else {
- g_warning ("GStreamer feature '%s' is URI handler but does not provide"
- " any protocols it can handle", feature->name);
- }
- }
- } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
- GstTypeFindFactory *factory = GST_TYPE_FIND_FACTORY (feature);
- gint i = 0;
-
- if (factory->caps) {
- if (!gst_registry_xml_save_caps (registry, factory->caps))
- return FALSE;
- }
- if (factory->extensions) {
- while (factory->extensions[i]) {
- if (!gst_registry_save_escaped (registry, " ", "extension",
- factory->extensions[i]))
- return FALSE;
- i++;
- }
- }
-#ifndef GST_DISABLE_INDEX
- } else if (GST_IS_INDEX_FACTORY (feature)) {
- if (!gst_registry_save_escaped (registry, " ", "longdesc",
- GST_INDEX_FACTORY (feature)->longdesc))
- return FALSE;
-#endif
- }
- return TRUE;
-}
-
-static gboolean
-gst_registry_xml_save_plugin (GstRegistry * registry, GstPlugin * plugin)
-{
- GList *list;
- GList *walk;
- char s[100];
-
- if (!gst_registry_save_escaped (registry, " ", "name", plugin->desc.name))
- return FALSE;
- if (!gst_registry_save_escaped (registry, " ", "description",
- plugin->desc.description))
- return FALSE;
- if (!gst_registry_save_escaped (registry, " ", "filename", plugin->filename))
- return FALSE;
-
- sprintf (s, "%d", (int) plugin->file_size);
- if (!gst_registry_save_escaped (registry, " ", "size", s))
- return FALSE;
-
- sprintf (s, "%d", (int) plugin->file_mtime);
- if (!gst_registry_save_escaped (registry, " ", "m32p", s))
- return FALSE;
-
- if (!gst_registry_save_escaped (registry, " ", "version",
- plugin->desc.version))
- return FALSE;
- if (!gst_registry_save_escaped (registry, " ", "license",
- plugin->desc.license))
- return FALSE;
- if (!gst_registry_save_escaped (registry, " ", "source", plugin->desc.source))
- return FALSE;
- if (!gst_registry_save_escaped (registry, " ", "package",
- plugin->desc.package))
- return FALSE;
- if (!gst_registry_save_escaped (registry, " ", "origin", plugin->desc.origin))
- return FALSE;
-
- list = gst_registry_get_feature_list_by_plugin (registry, plugin->desc.name);
-
- for (walk = list; walk; walk = g_list_next (walk)) {
- GstPluginFeature *feature = GST_PLUGIN_FEATURE (walk->data);
-
- if (!gst_registry_save (registry,
- " <feature typename=\"%s\">\n",
- g_type_name (G_OBJECT_TYPE (feature))))
- goto fail;
- if (!gst_registry_xml_save_feature (registry, feature))
- goto fail;
- if (!gst_registry_save (registry, " </feature>\n"))
- goto fail;
- }
-
- gst_plugin_feature_list_free (list);
- return TRUE;
-
-fail:
- gst_plugin_feature_list_free (list);
- return FALSE;
-
-}
-
-/**
- * gst_registry_xml_write_cache:
- * @registry: a #GstRegistry
- * @location: a filename
- *
- * Write @registry in an XML format at the location given by
- * @location. Directories are automatically created.
- *
- * Returns: TRUE on success.
- */
-gboolean
-gst_registry_xml_write_cache (GstRegistry * registry, const char *location)
-{
- GList *walk;
- char *tmp_location;
-
- g_return_val_if_fail (GST_IS_REGISTRY (registry), FALSE);
-
- tmp_location = g_strconcat (location, ".tmpXXXXXX", NULL);
- registry->cache_file = g_mkstemp (tmp_location);
- if (registry->cache_file == -1) {
- char *dir;
-
- /* oops, I bet the directory doesn't exist */
- dir = g_path_get_dirname (location);
- g_mkdir_with_parents (dir, 0777);
- g_free (dir);
-
- /* the previous g_mkstemp call overwrote the XXXXXX placeholder ... */
- g_free (tmp_location);
- tmp_location = g_strconcat (location, ".tmpXXXXXX", NULL);
- registry->cache_file = g_mkstemp (tmp_location);
-
- if (registry->cache_file == -1) {
- GST_DEBUG ("g_mkstemp() failed: %s", g_strerror (errno));
- g_free (tmp_location);
- return FALSE;
- }
- }
-
- if (!gst_registry_save (registry, "<?xml version=\"1.0\"?>\n"))
- goto fail;
- if (!gst_registry_save (registry, "<GST-PluginRegistry>\n"))
- goto fail;
-
-
- for (walk = g_list_last (registry->plugins); walk;
- walk = g_list_previous (walk)) {
- GstPlugin *plugin = GST_PLUGIN_CAST (walk->data);
-
- if (!plugin->filename)
- continue;
-
- if (plugin->flags & GST_PLUGIN_FLAG_CACHED) {
- int ret;
- struct stat statbuf;
-
- ret = g_stat (plugin->filename, &statbuf);
- if (ret < 0)
- continue;
- if (plugin->file_mtime != statbuf.st_mtime ||
- plugin->file_size != statbuf.st_size) {
- continue;
- }
- }
-
- if (!gst_registry_save (registry, "<plugin>\n"))
- goto fail;
- if (!gst_registry_xml_save_plugin (registry, plugin))
- goto fail;
- if (!gst_registry_save (registry, "</plugin>\n"))
- goto fail;
- }
- if (!gst_registry_save (registry, "</GST-PluginRegistry>\n"))
- goto fail;
-
- /* check return value of close(), write errors may only get reported here */
- if (close (registry->cache_file) < 0)
- goto close_failed;
-
- if (g_file_test (tmp_location, G_FILE_TEST_EXISTS)) {
-#ifdef WIN32
- g_remove (location);
-#endif
- if (g_rename (tmp_location, location) < 0)
- goto rename_failed;
- } else {
- /* FIXME: shouldn't we return FALSE here? */
- }
-
- g_free (tmp_location);
- GST_INFO ("Wrote XML registry cache");
- return TRUE;
-
-/* ERRORS */
-fail:
- {
- (void) close (registry->cache_file);
- /* fall through */
- }
-fail_after_close:
- {
- g_remove (tmp_location);
- g_free (tmp_location);
- return FALSE;
- }
-close_failed:
- {
- GST_ERROR ("close() failed: %s", g_strerror (errno));
- goto fail_after_close;
- }
-rename_failed:
- {
- GST_ERROR ("g_rename() failed: %s", g_strerror (errno));
- goto fail_after_close;
- }
-}