/******************************************************************************
- * Copyright (C) 2006 Daniel Stränger <vlc at schmaller dot de>
+ * xspf.c : XSPF playlist export 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
const playlist_export_t *p_export =
(playlist_export_t *)p_playlist->p_private;
int i;
- char *psz;
char *psz_temp;
playlist_item_t **pp_items = NULL;
int i_size;
- playlist_item_t *p_node;
+ playlist_item_t *p_node = p_export->p_root;
+ int i_count;
- /* write XSPF XML header - since we don't use <extension>,
- * we get by with version 0 */
+ /* write XSPF XML header */
fprintf( p_export->p_file, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" );
fprintf( p_export->p_file,
- "<playlist version=\"0\" xmlns=\"http://xspf.org/ns/0/\">\n" );
+ "<playlist version=\"1\" xmlns=\"http://xspf.org/ns/0/\">\n" );
+
+ if( !p_node ) return VLC_SUCCESS;
- /* save tho whole playlist or only the current node */
-#define p_item p_playlist->status.p_item
- if ( p_item )
+ pp_items = p_node->pp_children;
+ i_size = p_node->i_children;
+
+ /* save name of the playlist node */
+ psz_temp = convert_xml_special_chars( p_node->p_input->psz_name );
+ if( *psz_temp )
{
- if ( p_item->p_parent->p_input->i_type == ITEM_TYPE_PLAYLIST )
- {
- /* set the current node and its children */
- p_node = p_item->p_parent;
- pp_items = p_node->pp_children;
- i_size = p_node->i_children;
-#undef p_item
-
- /* save name of the playlist node */
- psz_temp = convert_xml_special_chars( p_node->p_input->psz_name );
- if ( *psz_temp )
- fprintf( p_export->p_file, "\t<title>%s</title>\n",
- psz_temp );
- free( psz_temp );
-
- /* save the creator of the playlist node */
- psz = p_node->p_input->p_meta->psz_artist ?
- strdup( p_node->p_input->p_meta->psz_artist ):
- strdup( "" );
- if ( psz && !*psz )
- {
- free ( psz );
- psz = NULL;
- }
-
- if ( !psz )
- psz = p_node->p_input->p_meta->psz_author ?
- strdup( p_node->p_input->p_meta->psz_author ):
- strdup( "" );
-
- psz_temp = convert_xml_special_chars( psz );
-
- if ( psz ) free( psz );
- if ( *psz_temp )
- fprintf( p_export->p_file, "\t<creator>%s</creator>\n",
- psz_temp );
- free( psz_temp );
-
- /* save location of the playlist node */
- psz = assertUTF8URI( p_export->psz_filename );
- if ( psz && *psz )
- {
- fprintf( p_export->p_file, "\t<location>%s</location>\n",
- psz );
- free( psz );
- }
- }
+ fprintf( p_export->p_file, "\t<title>%s</title>\n", psz_temp );
}
+ free( psz_temp );
- /* prepare all the playlist children for export */
- if ( !pp_items )
+ /* save location of the playlist node */
+ psz_temp = assertUTF8URI( p_export->psz_filename );
+ if( psz_temp && *psz_temp )
{
- pp_items = p_playlist->pp_items;
- i_size = p_playlist->i_size;
+ fprintf( p_export->p_file, "\t<location>%s</location>\n", psz_temp );
+ free( psz_temp );
}
- /* export all items */
+ /* export all items in a flat format */
fprintf( p_export->p_file, "\t<trackList>\n" );
- for ( i = 0; i < i_size; i++ )
+ i_count = 0;
+ for( i = 0; i < p_node->i_children; i++ )
+ {
+ xspf_export_item( p_node->pp_children[i], p_export->p_file,
+ &i_count );
+ }
+ fprintf( p_export->p_file, "\t</trackList>\n" );
+
+ /* export the tree structure in <extension> */
+ fprintf( p_export->p_file, "\t<extension>\n" );
+ i_count = 0;
+ for( i = 0; i < p_node->i_children; i++ )
{
- xspf_export_item( pp_items[i], p_export->p_file );
+ xspf_extension_item( p_node->pp_children[i], p_export->p_file,
+ &i_count );
}
+ fprintf( p_export->p_file, "\t</extension>\n" );
/* close the header elements */
- fprintf( p_export->p_file, "\t</trackList>\n" );
fprintf( p_export->p_file, "</playlist>\n" );
return VLC_SUCCESS;
* \brief exports one item to file or traverse if item is a node
* \param p_item playlist item to export
* \param p_file file to write xml-converted item to
+ * \param p_i_count counter for track identifiers
*/
-static void xspf_export_item( playlist_item_t *p_item, FILE *p_file )
+static void xspf_export_item( playlist_item_t *p_item, FILE *p_file,
+ int *p_i_count )
{
- int i; /**< iterator for all children if the current item is a node */
char *psz;
char *psz_temp;
- if ( !p_item )
- return;
+ if( !p_item ) return;
- /** \todo only "flat" playlists supported at this time.
- * extend to save the tree structure.
- */
/* if we get a node here, we must traverse it */
- if ( p_item->i_children > 0 )
+ if( p_item->i_children > 0 )
{
- for ( i = 0; i < p_item->i_children; i++ )
+ int i;
+ for( i = 0; i < p_item->i_children; i++ )
{
- xspf_export_item( p_item->pp_children[i], p_file );
+ xspf_export_item( p_item->pp_children[i], p_file, p_i_count );
}
return;
}
/* leaves can be written directly */
fprintf( p_file, "\t\t<track>\n" );
+ /* print identifier and increase the counter */
+ fprintf( p_file, "\t\t\t<identifier>%d</identifier>\n", *p_i_count );
+ ( *p_i_count )++;
+
/* -> the location */
- if ( p_item->p_input->psz_uri && *p_item->p_input->psz_uri )
+ if( p_item->p_input->psz_uri && *p_item->p_input->psz_uri )
{
psz = assertUTF8URI( p_item->p_input->psz_uri );
fprintf( p_file, "\t\t\t<location>%s</location>\n", psz );
}
/* -> the name/title (only if different from uri)*/
- if ( p_item->p_input->psz_name &&
- p_item->p_input->psz_uri &&
- strcmp( p_item->p_input->psz_uri, p_item->p_input->psz_name ) )
+ if( p_item->p_input->psz_name &&
+ p_item->p_input->psz_uri &&
+ strcmp( p_item->p_input->psz_uri, p_item->p_input->psz_name ) )
{
psz_temp = convert_xml_special_chars( p_item->p_input->psz_name );
- if ( *psz_temp )
+ if( *psz_temp )
fprintf( p_file, "\t\t\t<title>%s</title>\n", psz_temp );
free( psz_temp );
}
+ if( p_item->p_input->p_meta == NULL )
+ {
+ goto xspfexportitem_end;
+ }
+
/* -> the artist/creator */
- psz = p_item->p_input->p_meta->psz_artist ?
+ psz = p_item->p_input->p_meta->psz_artist ?
strdup( p_item->p_input->p_meta->psz_artist ):
strdup( "" );
- if ( psz && !*psz )
+ if( psz && !*psz )
{
- free ( psz );
+ free( psz );
psz = NULL;
}
- if ( !psz )
- psz = p_item->p_input->p_meta->psz_author ?
+ if( !psz )
+ {
+ psz = p_item->p_input->p_meta->psz_author ?
strdup( p_item->p_input->p_meta->psz_author ):
strdup( "" );
+ }
psz_temp = convert_xml_special_chars( psz );
- if ( psz ) free( psz );
- if ( *psz_temp )
+ if( psz ) free( psz );
+ if( *psz_temp )
+ {
fprintf( p_file, "\t\t\t<creator>%s</creator>\n", psz_temp );
+ }
free( psz_temp );
/* -> the album */
strdup( p_item->p_input->p_meta->psz_album ):
strdup( "" );
psz_temp = convert_xml_special_chars( psz );
- if ( psz ) free( psz );
- if ( *psz_temp )
+ if( psz ) free( psz );
+ if( *psz_temp )
+ {
fprintf( p_file, "\t\t\t<album>%s</album>\n", psz_temp );
+ }
free( psz_temp );
/* -> the track number */
psz = p_item->p_input->p_meta->psz_tracknum ?
strdup( p_item->p_input->p_meta->psz_tracknum ):
strdup( "" );
- if ( psz )
+ if( psz )
{
- if ( *psz )
+ if( *psz )
+ {
fprintf( p_file, "\t\t\t<trackNum>%i</trackNum>\n", atoi( psz ) );
+ }
free( psz );
}
+xspfexportitem_end:
/* -> the duration */
- if ( p_item->p_input->i_duration > 0 )
+ if( p_item->p_input->i_duration > 0 )
{
fprintf( p_file, "\t\t\t<duration>%ld</duration>\n",
(long)(p_item->p_input->i_duration / 1000) );
return;
}
+/**
+ * \brief exports one item in extension to file and traverse if item is a node
+ * \param p_item playlist item to export
+ * \param p_file file to write xml-converted item to
+ * \param p_i_count counter for track identifiers
+ */
+static void xspf_extension_item( playlist_item_t *p_item, FILE *p_file,
+ int *p_i_count )
+{
+ if( !p_item ) return;
+
+ /* if we get a node here, we must traverse it */
+ if( p_item->i_children > 0 )
+ {
+ int i;
+
+ fprintf( p_file, "\t\t<node>\n" );
+ fprintf( p_file, "\t\t\t<title>%s</title>\n",
+ p_item->p_input->psz_name );
+
+ for( i = 0; i < p_item->i_children; i++ )
+ {
+ xspf_extension_item( p_item->pp_children[i], p_file, p_i_count );
+ }
+
+ fprintf( p_file, "\t\t</node>\n" );
+ return;
+ }
+
+
+ /* print leaf and increase the counter */
+ fprintf( p_file, "\t\t\t<item href=\"%d\" />\n", *p_i_count );
+ ( *p_i_count )++;
+
+ return;
+}
+
/**
* \param psz_name the location of the media ressource (e.g. local file,
* device, network stream, etc.)
char *psz_s = NULL, *psz_d = NULL; /**< src & dest pointers for URI conversion */
vlc_bool_t b_name_is_uri = VLC_FALSE;
- if ( !psz_name || !*psz_name )
+ if( !psz_name || !*psz_name )
return NULL;
/* check that string is valid UTF-8 */
/* max. 3x for URI conversion (percent escaping) and
8 bytes for "file://" and NULL-termination */
psz_ret = (char *)malloc( sizeof(char)*strlen(psz_name)*6*3+8 );
- if ( !psz_ret )
+ if( !psz_ret )
return NULL;
/** \todo check for a valid scheme part preceding the colon */
- if ( strchr( psz_s, ':' ) )
+ if( strchr( psz_s, ':' ) )
{
psz_d = psz_ret;
b_name_is_uri = VLC_TRUE;
psz_d = psz_ret + 7;
}
- while ( *psz_s )
+ while( *psz_s )
{
/* percent-encode all non-ASCII and the XML special characters and the percent sign itself */
- if ( *psz_s & B10000000 ||
- *psz_s == '<' ||
- *psz_s == '>' ||
- *psz_s == '&' ||
- *psz_s == ' ' ||
- ( *psz_s == '%' && !b_name_is_uri ) )
+ if( *psz_s & B10000000 ||
+ *psz_s == '<' ||
+ *psz_s == '>' ||
+ *psz_s == '&' ||
+ *psz_s == ' ' ||
+ ( *psz_s == '%' && !b_name_is_uri ) )
{
*psz_d++ = '%';
*psz_d++ = hexchars[(*psz_s >> 4) & B00001111];
*psz_d++ = hexchars[*psz_s & B00001111];
- } else
+ }
+ else
+ {
*psz_d++ = *psz_s;
+ }
psz_s++;
}
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