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/*****************************************************************************
* vlc_xml.h: XML abstraction layer
*****************************************************************************
* Copyright (C) 2004-2010 VLC authors and VideoLAN
*
* Author: Gildas Bazin <gbazin@videolan.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef VLC_XML_H
#define VLC_XML_H
/**
* \file
* This file defines functions and structures to handle xml tags in vlc
*
*/
# ifdef __cplusplus
extern "C" {
# endif
struct xml_t
{
VLC_COMMON_MEMBERS
/* Module properties */
module_t *p_module;
xml_sys_t *p_sys;
void (*pf_catalog_load) ( xml_t *, const char * );
void (*pf_catalog_add) ( xml_t *, const char *, const char *,
const char * );
};
VLC_API xml_t * xml_Create( vlc_object_t * ) VLC_USED;
#define xml_Create( a ) xml_Create( VLC_OBJECT(a) )
VLC_API void xml_Delete( xml_t * );
static inline void xml_CatalogLoad( xml_t *xml, const char *catalog )
{
xml->pf_catalog_load( xml, catalog );
}
static inline void xml_CatalogAdd( xml_t *xml, const char *type,
const char *orig, const char *value )
{
xml->pf_catalog_add( xml, type, orig, value );
}
struct xml_reader_t
{
VLC_COMMON_MEMBERS
xml_reader_sys_t *p_sys;
stream_t *p_stream;
module_t *p_module;
int (*pf_next_node) ( xml_reader_t *, const char ** );
const char *(*pf_next_attr) ( xml_reader_t *, const char ** );
int (*pf_use_dtd) ( xml_reader_t * );
int (*pf_is_empty) ( xml_reader_t * );
};
VLC_API xml_reader_t * xml_ReaderCreate(vlc_object_t *, stream_t *) VLC_USED;
#define xml_ReaderCreate( a, s ) xml_ReaderCreate(VLC_OBJECT(a), s)
VLC_API void xml_ReaderDelete(xml_reader_t *);
VLC_API xml_reader_t * xml_ReaderReset(xml_reader_t *, stream_t *) VLC_USED;
static inline int xml_ReaderNextNode( xml_reader_t *reader, const char **pval )
{
return reader->pf_next_node( reader, pval );
}
static inline const char *xml_ReaderNextAttr( xml_reader_t *reader,
const char **pval )
{
return reader->pf_next_attr( reader, pval );
}
static inline int xml_ReaderUseDTD( xml_reader_t *reader )
{
return reader->pf_use_dtd( reader );
}
static inline int xml_ReaderIsEmptyElement( xml_reader_t *reader )
{
if(reader->pf_is_empty == NULL)
return -2;
return reader->pf_is_empty( reader );
}
enum {
XML_READER_ERROR=-1,
XML_READER_NONE=0,
XML_READER_STARTELEM,
XML_READER_ENDELEM,
XML_READER_TEXT,
};
# ifdef __cplusplus
}
# endif
#endif
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