/*******************************************************************************
- * Copyright (C) 2006 Daniel Stränger <vlc at schmaller dot de>
+ * xspf.c : XSPF playlist import functions
+ *******************************************************************************
+ * Copyright (C) 2006 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Daniel Stränger <vlc at schmaller dot de>
+ * Yoann Peronneau <yoann@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
{
playlist_item_t *p_item_in_category;
int i_parent_id;
+ input_item_t **pp_tracklist;
+ int i_tracklist_entries;
};
/**
INIT_PLAYLIST_STUFF;
p_demux->p_sys->p_item_in_category = p_item_in_category;
p_demux->p_sys->i_parent_id = i_parent_id;
+ p_demux->p_sys->pp_tracklist = NULL;
+ p_demux->p_sys->i_tracklist_entries = 0;
/* create new xml parser from stream */
p_xml = xml_Create( p_demux );
{"attribution", COMPLEX_CONTENT, {.cmplx = skip_element} },
{"link", SIMPLE_CONTENT, {NULL} },
{"meta", SIMPLE_CONTENT, {NULL} },
- {"extension", COMPLEX_CONTENT, {.cmplx = skip_element} },
+ {"extension", COMPLEX_CONTENT, {.cmplx = parse_extension_node} },
{"trackList", COMPLEX_CONTENT, {.cmplx = parse_tracklist_node} },
{NULL, UNKNOWN_CONTENT, {NULL} }
};
}
/* attribute: version */
if( !strcmp( psz_name, "version" ) )
- {
+ {
b_version_found = VLC_TRUE;
if( strcmp( psz_value, "0" ) && strcmp( psz_value, "1" ) )
msg_Warn( p_demux, "unsupported XSPF version" );
{
FREE_ATT();
/* Add it */
- playlist_AddWhereverNeeded( p_playlist, p_new_input,
+ /*playlist_AddWhereverNeeded( p_playlist, p_new_input,
p_item, p_demux->p_sys->p_item_in_category,
(p_demux->p_sys->i_parent_id >0 ) ? VLC_TRUE:
- VLC_FALSE, PLAYLIST_APPEND );
+ VLC_FALSE, PLAYLIST_APPEND );*/
+ INSERT_ELEM( p_demux->p_sys->pp_tracklist,
+ p_demux->p_sys->i_tracklist_entries,
+ p_demux->p_sys->i_tracklist_entries,
+ p_new_input );
return VLC_TRUE;
}
/* there MUST have been a start tag for that element name */
return VLC_FALSE;
}
}
+ else if( !strcmp( p_handler->name, "identifier" ) )
+ {
+ }
else
{
/* there MUST be an item */
return VLC_TRUE;
}
+
+/**
+ * \brief parse the extension node of a XSPF playlist
+ */
+static vlc_bool_t parse_extension_node COMPLEX_INTERFACE
+{
+ char *psz_name = NULL;
+ char *psz_value = NULL;
+ int i_node;
+ xml_elem_hnd_t *p_handler = NULL;
+
+ xml_elem_hnd_t pl_elements[] =
+ { {"title", SIMPLE_CONTENT, {.cmplx = skip_element} },
+ {"node", COMPLEX_CONTENT, {.cmplx = parse_extension_node} },
+ {"item", COMPLEX_CONTENT, {.cmplx = parse_extitem_node} },
+ {NULL, UNKNOWN_CONTENT, {NULL} }
+ };
+
+ fprintf( stderr, " <node>\n" );
+
+ /* parse the child elements */
+ while( xml_ReaderRead( p_xml_reader ) == 1 )
+ {
+ i_node = xml_ReaderNodeType( p_xml_reader );
+ switch( i_node )
+ {
+ case XML_READER_NONE:
+ break;
+ case XML_READER_STARTELEM:
+ /* element start tag */
+ psz_name = xml_ReaderName( p_xml_reader );
+ if( !psz_name || !*psz_name )
+ {
+ msg_Err( p_demux, "invalid xml stream" );
+ FREE_ATT();
+ return VLC_FALSE;
+ }
+ /* choose handler */
+ for( p_handler = pl_elements;
+ p_handler->name && strcmp( psz_name, p_handler->name );
+ p_handler++ );
+ if( !p_handler->name )
+ {
+ msg_Err( p_demux, "unexpected element <%s>", psz_name );
+ FREE_ATT();
+ return VLC_FALSE;
+ }
+ FREE_NAME();
+ /* complex content is parsed in a separate function */
+ if( p_handler->type == COMPLEX_CONTENT )
+ {
+ if( p_handler->pf_handler.cmplx( p_demux,
+ p_playlist,
+ p_item, NULL,
+ p_xml_reader,
+ p_handler->name ) )
+ {
+ p_handler = NULL;
+ FREE_ATT();
+ }
+ else
+ {
+ FREE_ATT();
+ return VLC_FALSE;
+ }
+ }
+ break;
+
+ case XML_READER_TEXT:
+ /* simple element content */
+ FREE_ATT();
+ psz_value = xml_ReaderValue( p_xml_reader );
+ if( !psz_value )
+ {
+ msg_Err( p_demux, "invalid xml stream" );
+ FREE_ATT();
+ return VLC_FALSE;
+ }
+ break;
+
+ case XML_READER_ENDELEM:
+ /* element end tag */
+ psz_name = xml_ReaderName( p_xml_reader );
+ if( !psz_name )
+ {
+ msg_Err( p_demux, "invalid xml stream" );
+ FREE_ATT();
+ return VLC_FALSE;
+ }
+ /* leave if the current parent node is terminated */
+ if( !strcmp( psz_name, psz_element ) )
+ {
+ fprintf( stderr, " </node>\n" );
+ FREE_ATT();
+ return VLC_TRUE;
+ }
+ /* there MUST have been a start tag for that element name */
+ if( !p_handler || !p_handler->name
+ || strcmp( p_handler->name, psz_name ))
+ {
+ msg_Err( p_demux, "there's no open element left for <%s>",
+ psz_name );
+ FREE_ATT();
+ return VLC_FALSE;
+ }
+
+ if( p_handler->pf_handler.smpl )
+ {
+ p_handler->pf_handler.smpl( p_item, NULL, p_handler->name,
+ psz_value );
+ }
+ FREE_ATT();
+ p_handler = NULL;
+ break;
+
+ default:
+ /* unknown/unexpected xml node */
+ msg_Err( p_demux, "unexpected xml node %i", i_node );
+ FREE_ATT();
+ return VLC_FALSE;
+ }
+ FREE_NAME();
+ }
+ return VLC_FALSE;
+}
+
+/**
+ * \brief parse the extension item node of a XSPF playlist
+ */
+static vlc_bool_t parse_extitem_node COMPLEX_INTERFACE
+{
+ char *psz_name = NULL;
+ char *psz_value = NULL;
+ int i_node;
+ int i_href = -1;
+
+ /* read all playlist attributes */
+ while( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
+ {
+ psz_name = xml_ReaderName( p_xml_reader );
+ psz_value = xml_ReaderValue( p_xml_reader );
+ if( !psz_name || !psz_value )
+ {
+ msg_Err( p_demux, "invalid xml stream @ <item>" );
+ FREE_ATT();
+ return VLC_FALSE;
+ }
+ /* attribute: href */
+ if( !strcmp( psz_name, "href" ) )
+ {
+ i_href = atoi( psz_value );
+ }
+ /* unknown attribute */
+ else
+ msg_Warn( p_demux, "invalid <item> attribute:\"%s\"", psz_name);
+
+ FREE_ATT();
+ }
+
+ /* attribute href is mandatory */
+ if( i_href < 0 )
+ {
+ msg_Warn( p_demux, "<item> requires \"href\" attribute" );
+ return VLC_FALSE;
+ }
+
+ if( i_href > p_demux->p_sys->i_tracklist_entries )
+ {
+ msg_Warn( p_demux, "invalid \"href\" attribute" );
+ return VLC_FALSE;
+ }
+
+ fprintf( stderr, " %s\n", p_demux->p_sys->pp_tracklist[i_href]->psz_name );
+
+ /* parse the child elements */
+ while( xml_ReaderRead( p_xml_reader ) == 1 )
+ {
+ i_node = xml_ReaderNodeType( p_xml_reader );
+ switch( i_node )
+ {
+ case XML_READER_NONE:
+ break;
+ case XML_READER_STARTELEM:
+ /* element start tag */
+ case XML_READER_TEXT:
+ /* simple element content */
+ msg_Err( p_demux, "invalid xml stream" );
+ return VLC_FALSE;
+
+ case XML_READER_ENDELEM:
+ /* element end tag */
+ psz_name = xml_ReaderName( p_xml_reader );
+ if( !psz_name )
+ {
+ msg_Err( p_demux, "invalid xml stream" );
+ FREE_ATT();
+ return VLC_FALSE;
+ }
+ /* leave if the current parent node is terminated */
+ if( !strcmp( psz_name, psz_element ) )
+ {
+ FREE_ATT();
+ return VLC_TRUE;
+ }
+ FREE_ATT();
+ break;
+
+ default:
+ /* unknown/unexpected xml node */
+ msg_Err( p_demux, "unexpected xml node %i", i_node );
+ FREE_ATT();
+ return VLC_FALSE;
+ }
+ FREE_NAME();
+ }
+ return VLC_FALSE;
+}
+
/**
* \brief skips complex element content that we can't manage
*/