/******************************************************************************
* xspf.c : XSPF playlist export functions
******************************************************************************
- * Copyright (C) 2006 the VideoLAN team
+ * Copyright (C) 2006-2009 the VideoLAN team
* $Id$
*
* Authors: Daniel Stränger <vlc at schmaller dot de>
#endif
#include <vlc_common.h>
-#include <vlc_interface.h>
#include <vlc_playlist.h>
#include <vlc_input.h>
-#include <vlc_meta.h>
#include <vlc_strings.h>
#include <vlc_url.h>
-#include <vlc_charset.h>
#include "xspf.h"
#include <assert.h>
+static void xspf_export_item( playlist_item_t *, FILE *, int * );
+static void xspf_extension_item( playlist_item_t *, FILE *, int * );
+
/**
* \brief Prints the XSPF header to file, writes each item by xspf_export_item()
* and closes the open xml elements
*/
int xspf_export_playlist( vlc_object_t *p_this )
{
- const playlist_t *p_playlist = (playlist_t *)p_this;
- const playlist_export_t *p_export =
- (playlist_export_t *)p_playlist->p_private;
+ const playlist_export_t *p_export = (playlist_export_t *)p_this;
int i, i_count;
char *psz_temp;
playlist_item_t *p_node = p_export->p_root;
return VLC_SUCCESS;
}
+static char *input_xml( input_item_t *p_item, char *(*func)(input_item_t *) )
+{
+ char *tmp = func( p_item );
+ if( tmp == NULL )
+ return NULL;
+ char *ret = convert_xml_special_chars( tmp );
+ free( tmp );
+ return ret;
+}
+
/**
* \brief exports one item to file or traverse if item is a node
* \param p_item playlist item to export
static void xspf_export_item( playlist_item_t *p_item, FILE *p_file,
int *p_i_count )
{
- char *psz;
- char *psz_temp;
- int i;
- mtime_t i_duration;
-
if( !p_item ) return;
/* if we get a node here, we must traverse it */
if( p_item->i_children > 0 )
{
- int i;
- for( i = 0; i < p_item->i_children; i++ )
- {
+ for( int i = 0; i < p_item->i_children; i++ )
xspf_export_item( p_item->pp_children[i], p_file, p_i_count );
- }
return;
}
/* don't write empty nodes */
if( p_item->i_children == 0 )
- {
return;
- }
+
+ input_item_t *p_input = p_item->p_input;
+ char *psz;
+ mtime_t i_duration;
/* leaves can be written directly */
- fprintf( p_file, "\t\t<track>\n" );
+ fputs( "\t\t<track>\n", p_file );
/* -> the location */
- char *psz_uri = input_item_GetURI( p_item->p_input );
-
+ char *psz_uri = input_xml( p_input, input_item_GetURI );
if( psz_uri && *psz_uri )
- {
- psz = assertUTF8URI( psz_uri );
- fprintf( p_file, "\t\t\t<location>%s</location>\n", psz );
- free( psz );
- }
+ fprintf( p_file, "\t\t\t<location>%s</location>\n", psz_uri );
/* -> the name/title (only if different from uri)*/
- char *psz_name = input_item_GetTitle( p_item->p_input );
- if( psz_name && psz_uri && strcmp( psz_uri, psz_name ) )
- {
- psz_temp = convert_xml_special_chars( psz_name );
- if( *psz_temp )
- fprintf( p_file, "\t\t\t<title>%s</title>\n", psz_temp );
- free( psz_temp );
- }
- free( psz_name );
+ psz = input_xml( p_input, input_item_GetTitle );
+ if( psz && strcmp( psz_uri, psz ) )
+ fprintf( p_file, "\t\t\t<title>%s</title>\n", psz );
+ free( psz );
free( psz_uri );
if( p_item->p_input->p_meta == NULL )
}
/* -> the artist/creator */
- psz = input_item_GetArtist( p_item->p_input );
- if( psz == NULL ) psz = strdup( "" );
- psz_temp = convert_xml_special_chars( psz );
+ psz = input_xml( p_input, input_item_GetArtist );
+ if( psz && *psz )
+ fprintf( p_file, "\t\t\t<creator>%s</creator>\n", psz );
free( psz );
- if( *psz_temp )
- {
- fprintf( p_file, "\t\t\t<creator>%s</creator>\n", psz_temp );
- }
- free( psz_temp );
/* -> the album */
- psz = input_item_GetAlbum( p_item->p_input );
- if( psz == NULL ) psz = strdup( "" );
- psz_temp = convert_xml_special_chars( psz );
+ psz = input_xml( p_input, input_item_GetAlbum );
+ if( psz && *psz )
+ fprintf( p_file, "\t\t\t<album>%s</album>\n", 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 = input_item_GetTrackNum( p_item->p_input );
- if( psz == NULL ) psz = strdup( "" );
- if( psz && *psz )
+ psz = input_xml( p_input, input_item_GetTrackNum );
+ if( psz )
{
int i_tracknum = atoi( psz );
+
+ free( psz );
if( i_tracknum > 0 )
fprintf( p_file, "\t\t\t<trackNum>%i</trackNum>\n", i_tracknum );
}
- free( psz );
/* -> the description */
- psz = input_item_GetDescription( p_item->p_input );
- if( psz == NULL ) psz = strdup( "" );
- psz_temp = convert_xml_special_chars( psz );
+ psz = input_xml( p_input, input_item_GetDescription );
+ if( psz && *psz )
+ fprintf( p_file, "\t\t\t<annotation>%s</annotation>\n", psz );
free( psz );
- if( *psz_temp )
- {
- fprintf( p_file, "\t\t\t<annotation>%s</annotation>\n", psz_temp );
- }
- free( psz_temp );
- psz = input_item_GetArtURL( p_item->p_input );
- if( psz == NULL ) psz = strdup( "" );
- if( !EMPTY_STR( psz ) )
- {
- psz_uri = assertUTF8URI( psz );
- fprintf( p_file, "\t\t\t<image>%s</image>\n", psz_uri );
- free( psz_uri );
- }
+ psz = input_xml( p_input, input_item_GetArtURL );
+ if( psz && *psz )
+ fprintf( p_file, "\t\t\t<image>%s</image>\n", psz );
free( psz );
xspfexportitem_end:
/* -> the duration */
i_duration = input_item_GetDuration( p_item->p_input );
if( i_duration > 0 )
- {
- fprintf( p_file, "\t\t\t<duration>%ld</duration>\n",
- (long)(i_duration / 1000) );
- }
+ fprintf( p_file, "\t\t\t<duration>%"PRIu64"</duration>\n",
+ i_duration / 1000 );
/* export the intenal id and the input's options (bookmarks, ...)
* in <extension> */
- fprintf( p_file, "\t\t\t<extension application=\"" \
- "http://www.videolan.org/vlc/playlist/0\">\n" );
+ fputs( "\t\t\t<extension application=\""
+ "http://www.videolan.org/vlc/playlist/0\">\n", p_file );
/* print the id and increase the counter */
fprintf( p_file, "\t\t\t\t<vlc:id>%i</vlc:id>\n", *p_i_count );
( *p_i_count )++;
- for( i = 0; i < p_item->p_input->i_options; i++ )
+ for( int i = 0; i < p_item->p_input->i_options; i++ )
{
- fprintf( p_file, "\t\t\t\t<vlc:option>%s</vlc:option>\n",
- p_item->p_input->ppsz_options[i][0] == ':' ?
- p_item->p_input->ppsz_options[i] + 1 :
- p_item->p_input->ppsz_options[i] );
- }
- fprintf( p_file, "\t\t\t</extension>\n" );
+ char* psz_src = p_item->p_input->ppsz_options[i];
+ char* psz_ret = NULL;
- fprintf( p_file, "\t\t</track>\n" );
+ if ( psz_src[0] == ':' )
+ psz_src++;
- return;
+ psz_ret = convert_xml_special_chars( psz_src );
+ if ( psz_ret == NULL )
+ continue;
+
+ fprintf( p_file, "\t\t\t\t<vlc:option>%s</vlc:option>\n", psz_ret );
+ free( psz_ret );
+ }
+ fputs( "\t\t\t</extension>\n", p_file );
+ fputs( "\t\t</track>\n", p_file );
}
/**
if( p_item->i_children >= 0 )
{
int i;
- char *psz_temp;
- psz_temp = convert_xml_special_chars( p_item->p_input->psz_name );
+ char *psz_temp = NULL;
+ if( p_item->p_input->psz_name )
+ psz_temp = convert_xml_special_chars( p_item->p_input->psz_name );
fprintf( p_file, "\t\t<vlc:node title=\"%s\">\n",
- *psz_temp ? psz_temp : "" );
+ psz_temp ? psz_temp : "" );
free( psz_temp );
for( i = 0; i < p_item->i_children; i++ )
return;
}
-
-/**
- * \param psz_name the location of the media ressource (e.g. local file,
- * device, network stream, etc.)
- * \return a new char buffer which asserts that the location is valid UTF-8
- * and a valid URI
- * \note the returned buffer must be freed, when it isn't used anymore
- */
-static char *assertUTF8URI( char *psz_name )
-{
- char *psz_ret = NULL; /**< the new result buffer to return */
- char *psz_s = NULL, *psz_d = NULL; /**< src & dest pointers for URI conversion */
- bool b_uri_is_file = false; /**< we do additional %-encoding if the URI is a file:// one */
-
- if( !psz_name || !*psz_name )
- return NULL;
-
- /* check that string is valid UTF-8 */
- /* XXX: Why do we even need to do that ? (all strings in core are UTF-8 encoded */
- if( !( psz_s = EnsureUTF8( psz_name ) ) )
- return NULL;
-
- /* max. 3x for URI conversion (percent escaping) and
- 8 bytes for "file://" and NULL-termination */
- psz_ret = (char *)malloc( strlen(psz_name)*6*3+8 );
- if( !psz_ret )
- return NULL;
-
- /** \todo check for a valid scheme part preceding the colon */
- size_t i_delim = strcspn( psz_s, ":" );
- if( i_delim != strlen( psz_s ) )
- {
- i_delim++; /* skip the ':' */
- strncpy( psz_ret, psz_s, i_delim );
- psz_d = psz_ret + i_delim;
-
- if( !strncmp( psz_s, "file://", 7 ) )
- b_uri_is_file = true;
-
- psz_s += i_delim;
- }
- /* assume "file" scheme if no scheme-part is included */
- else
- {
- strcpy( psz_ret, "file://" );
- psz_d = psz_ret + 7;
- b_uri_is_file = true;
- }
-
- 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 == '+' ||
- *psz_s == '%' ||
- ( b_uri_is_file && (
- *psz_s == ':' ||
- *psz_s == '"' ||
- *psz_s == '?' ||
- *psz_s == '#' ||
- *psz_s == '[' ||
- *psz_s == ']' ||
- *psz_s == '@' )
- )
- )
- {
- *psz_d++ = '%';
- *psz_d++ = hexchars[(*psz_s >> 4) & B00001111];
- *psz_d++ = hexchars[*psz_s & B00001111];
- }
- else
- {
- *psz_d++ = *psz_s;
- }
-
- psz_s++;
- }
- *psz_d = '\0';
-
- return (char *)realloc( psz_ret, strlen( psz_ret ) + 1 );
-}