gst/registries/: Implement libxml2-based registry (allows for roughly 2x as fast startup), mostly based on earlier co...

Original commit message from CVS:
* gst/registries/Makefile.am:
* gst/registries/gstlibxmlregistry.c: (gst_xml_registry_get_type),
(gst_xml_registry_class_init), (gst_xml_registry_init),
(gst_xml_registry_new), (gst_xml_registry_set_property),
(gst_xml_registry_get_property), (get_time), (make_dir),
(gst_xml_registry_get_perms_func),
(plugin_times_older_than_recurse), (plugin_times_older_than),
(gst_xml_registry_open_func), (gst_xml_registry_load_func),
(gst_xml_registry_save_func), (gst_xml_registry_close_func),
(add_to_char_array), (read_string), (read_uint), (read_enum),
(load_pad_template), (load_feature), (load_plugin), (load_paths),
(gst_xml_registry_load), (gst_xml_registry_load_plugin),
(gst_xml_registry_save_caps), (gst_xml_registry_save_pad_template),
(gst_xml_registry_save_feature), (gst_xml_registry_save_plugin),
(gst_xml_registry_save), (gst_xml_registry_rebuild_recurse),
(gst_xml_registry_rebuild):
* gst/registries/gstlibxmlregistry.h:
Implement libxml2-based registry (allows for roughly 2x as fast
startup), mostly based on earlier code from Benjamin Otte.

ChangeLog

@@ -1,3 +1,25 @@
+2005-03-09  Ronald S. Bultje  <rbultje@ronald.bitfreak.net>
+
+	* gst/registries/Makefile.am:
+	* gst/registries/gstlibxmlregistry.c: (gst_xml_registry_get_type),
+	(gst_xml_registry_class_init), (gst_xml_registry_init),
+	(gst_xml_registry_new), (gst_xml_registry_set_property),
+	(gst_xml_registry_get_property), (get_time), (make_dir),
+	(gst_xml_registry_get_perms_func),
+	(plugin_times_older_than_recurse), (plugin_times_older_than),
+	(gst_xml_registry_open_func), (gst_xml_registry_load_func),
+	(gst_xml_registry_save_func), (gst_xml_registry_close_func),
+	(add_to_char_array), (read_string), (read_uint), (read_enum),
+	(load_pad_template), (load_feature), (load_plugin), (load_paths),
+	(gst_xml_registry_load), (gst_xml_registry_load_plugin),
+	(gst_xml_registry_save_caps), (gst_xml_registry_save_pad_template),
+	(gst_xml_registry_save_feature), (gst_xml_registry_save_plugin),
+	(gst_xml_registry_save), (gst_xml_registry_rebuild_recurse),
+	(gst_xml_registry_rebuild):
+	* gst/registries/gstlibxmlregistry.h:
+	  Implement libxml2-based registry (allows for roughly 2x as fast
+	  startup), mostly based on earlier code from Benjamin Otte.
+
 2005-03-04  Jan Schmidt  <thaytan@mad.scientist.com>
 
 	* gst/elements/gstfilesrc.c: (gst_filesrc_get):

gst/registries/Makefile.am

@@ -1,11 +1,17 @@
 noinst_LTLIBRARIES = libgstxmlregistry.la
 
-libgstxmlregistry_la_SOURCES = gstxmlregistry.c
+if GST_DISABLE_LOADSAVE
+xmlregistry_sources = gstxmlregistry.c
+else
+xmlregistry_sources = gstlibxmlregistry.c
+endif
+
+libgstxmlregistry_la_SOURCES = $(xmlregistry_sources)
 
 libgstxmlregistry_la_CFLAGS = $(GST_LIB_CFLAGS)
 libgstxmlregistry_la_LIBADD = $(GST_LIB_LIBS)
 
-noinst_HEADERS = gstxmlregistry.h
+noinst_HEADERS = gstxmlregistry.h gstlibxmlregistry.h
 check_PROGRAMS = registrytest
 
 registrytest_SOURCES = registrytest.c

gst/registries/gstlibxmlregistry.h

@@ -0,0 +1,110 @@
+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ *                    2000 Wim Taymans <wtay@chello.be>
+ *
+ * gstpluginfeature.h: Header for base GstXMLRegistry
+ *
+ * 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,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_XML_REGISTRY_H__
+#define __GST_XML_REGISTRY_H__
+
+#include <gst/gstregistry.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_XML_REGISTRY \
+  (gst_xml_registry_get_type())
+#define GST_XML_REGISTRY(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_XML_REGISTRY,GstXMLRegistry))
+#define GST_XML_REGISTRY_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_XML_REGISTRY,GstXMLRegistryClass))
+#define GST_IS_XML_REGISTRY(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_XML_REGISTRY))
+#define GST_IS_XML_REGISTRY_CLASS(obj) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_XML_REGISTRY))
+
+typedef struct _GstXMLRegistry GstXMLRegistry;
+typedef struct _GstXMLRegistryClass GstXMLRegistryClass;
+
+typedef enum {
+  GST_XML_REGISTRY_NONE,
+  GST_XML_REGISTRY_TOP,
+  GST_XML_REGISTRY_PATHS,
+  GST_XML_REGISTRY_PATH,
+  GST_XML_REGISTRY_PATHS_DONE,
+  GST_XML_REGISTRY_PLUGIN,
+  GST_XML_REGISTRY_FEATURE,
+  GST_XML_REGISTRY_PADTEMPLATE,
+  GST_XML_REGISTRY_CAPS,
+  GST_XML_REGISTRY_STRUCTURE,
+  GST_XML_REGISTRY_PROPERTIES
+} GstXMLRegistryState;
+
+typedef enum {
+  GST_XML_REGISTRY_READ,
+  GST_XML_REGISTRY_WRITE
+} GstXMLRegistryMode;
+
+typedef void	 (*GstXMLRegistryGetPerms)	(GstXMLRegistry      *registry);
+typedef gboolean (*GstXMLRegistryParser) 	(GMarkupParseContext *context,
+                                                 const gchar	      *tag,
+                                                 const gchar         *text,
+                                                 gsize                text_len,
+                                                 GstXMLRegistry      *registry,
+                                                 GError             **error);
+
+typedef gboolean (*GstXMLRegistryOpen)   	(GstXMLRegistry      *registry,
+                                                 GstXMLRegistryMode   mode);
+typedef gboolean (*GstXMLRegistryLoad)		(GstXMLRegistry      *registry,
+                                                 gchar		      *dest,
+                                                 gssize              *size);
+typedef gboolean (*GstXMLRegistrySave)   	(GstXMLRegistry      *registry,
+                                                 gchar		      *format, 
+                                                 ...);
+typedef gboolean (*GstXMLRegistryClose)		(GstXMLRegistry      *registry);
+
+struct _GstXMLRegistry {
+  GstRegistry 		 object;
+
+  gchar 		*location;
+  gboolean		 open;
+
+  FILE 			*regfile;
+};
+
+struct _GstXMLRegistryClass {
+  GstRegistryClass	 parent_class;
+
+  GstXMLRegistryGetPerms get_perms_func;
+  GstXMLRegistryOpen	 open_func;
+  GstXMLRegistryLoad	 load_func;
+  GstXMLRegistrySave	 save_func;
+  GstXMLRegistryClose	 close_func;
+};
+
+
+/* normal GObject stuff */
+GType		gst_xml_registry_get_type		(void);
+
+GstRegistry* 	gst_xml_registry_new 			(const gchar *name, const gchar *location);
+
+G_END_DECLS
+
+#endif /* __GST_XML_REGISTRY_H__ */
+