/* GStreamer

 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>

 *                    2000 Wim Taymans <wim.taymans@chello.be>

 *

 * gstxml.h: Header for XML save/restore operations of pipelines

 *

 * 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_H__

#define __GST_XML_H__

#include <gst/gstconfig.h>

#ifndef GST_DISABLE_LOADSAVE

#include <gst/gstelement.h>

G_BEGIN_DECLS

#define GST_TYPE_XML 		(gst_xml_get_type ())

#define GST_XML(obj) 		(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_XML, GstXML))

#define GST_IS_XML(obj) 	(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_XML))

#define GST_XML_CLASS(klass) 	(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_XML, GstXMLClass))

#define GST_IS_XML_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_XML))

#define GST_XML_GET_CLASS(obj) 	(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_XML, GstXMLClass))

typedef struct _GstXML GstXML;

typedef struct _GstXMLClass GstXMLClass;

/**

 * GstXML:

 * @topelements: list of element nodes

 * @ns: name space

 *

 * XML parser object

 */

struct _GstXML {

  GstObject object;

  /*< public >*/

  GList      *topelements;

  xmlNsPtr ns;

  /*< private >*/

  gpointer _gst_reserved[GST_PADDING];

};

struct _GstXMLClass {

  GstObjectClass parent_class;

  /* signal callbacks */

  void (*object_loaded)         (GstXML *xml, GstObject *object, xmlNodePtr self);

  void (*object_saved)          (GstXML *xml, GstObject *object, xmlNodePtr self);

  gpointer _gst_reserved[GST_PADDING];

};

GType		gst_xml_get_type	(void);

/* create an XML document out of a pipeline */

xmlDocPtr	gst_xml_write		(GstElement *element);

/* write a formatted representation of a pipeline to an open file */

gint		gst_xml_write_file	(GstElement *element, FILE *out);

GstXML*		gst_xml_new		(void);

gboolean	gst_xml_parse_doc	(GstXML *xml, xmlDocPtr doc, const guchar *root);

gboolean	gst_xml_parse_file	(GstXML *xml, const guchar *fname, const guchar *root);

gboolean	gst_xml_parse_memory	(GstXML *xml, guchar *buffer, guint size, const gchar *root);

GstElement*	gst_xml_get_element	(GstXML *xml, const guchar *name);

GList*		gst_xml_get_topelements (GstXML *xml);

GstElement*	gst_xml_make_element	(xmlNodePtr cur, GstObject *parent);

G_END_DECLS

#else /* GST_DISABLE_LOADSAVE */

#if defined _GNUC_ && _GNUC_ >= 3

#pragma GCC poison gst_xml_write

#pragma GCC poison gst_xml_new

#pragma GCC poison gst_xml_parse_doc

#pragma GCC poison gst_xml_parse_file

#pragma GCC poison gst_xml_parse_memory

#pragma GCC poison gst_xml_get_element

#pragma GCC poison gst_xml_get_topelements

#endif

#endif /* GST_DISABLE_LOADSAVE */

#endif /* __GST_XML_H__ */