-/*****************************************************************************
- * tag_query.c: libvlc new API media tag query functions
- *****************************************************************************
- * Copyright (C) 2007 the VideoLAN team
- * $Id$
- *
- * Authors: Pierre d'Herbemont <pdherbemont # 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
- * the Free Software Foundation; either version 2 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 General Public License for more details.
- *
- * You should have received a copy of the GNU 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.
- *****************************************************************************/
-#include "libvlc_internal.h"
-#include <vlc/libvlc.h>
-#include "vlc_arrays.h"
-
-/* XXX This API is in construction
- *
- * It's goal is to represent a meta tag query
- * It should be also able to say if a query can be matched in a media
- * descriptor through libvlc_query_match.
- */
-
-/*
- * Public libvlc functions
- */
-
-/**************************************************************************
- * new (Public)
- *
- * Init an object.
- **************************************************************************/
-libvlc_tag_query_t *
-libvlc_tag_query_new( libvlc_instance_t * p_inst,
- libvlc_exception_t * p_e )
-{
- (void)p_e;
- libvlc_tag_query_t * p_q;
-
- p_q = malloc(sizeof(libvlc_tag_query_t));
-
- if( !p_q )
- return NULL;
-
- p_q->p_libvlc_instance = p_inst;
- p_q->i_refcount = 1;
- p_q->tag = NULL;
- p_q->psz_tag_key = NULL;
-
- libvlc_retain( p_inst );
- return p_q;
-}
-
-/**************************************************************************
- * release (Public)
- *
- * Release an object.
- **************************************************************************/
-void libvlc_tag_query_release( libvlc_tag_query_t * p_q )
-{
- p_q->i_refcount--;
-
- if( p_q->i_refcount > 0 )
- return;
-
- free( p_q->tag );
- free( p_q->psz_tag_key );
-
- libvlc_release( p_q->p_libvlc_instance );
- free( p_q );
-}
-
-/**************************************************************************
- * retain (Public)
- *
- * Release an object.
- **************************************************************************/
-void libvlc_tag_query_retain( libvlc_tag_query_t * p_q )
-{
- p_q->i_refcount++;
-}
-
-/**************************************************************************
- * set_match_tag_and_key (Public)
- **************************************************************************/
-void libvlc_tag_query_set_match_tag_and_key( libvlc_tag_query_t * p_q,
- libvlc_tag_t tag,
- char * psz_tag_key,
- libvlc_exception_t * p_e )
-{
- (void)p_e;
-
- p_q->tag = strdup( tag );
- p_q->psz_tag_key = strdup( psz_tag_key );
-}
-
-/**************************************************************************
- * match (Public)
- *
- * Return true if the query p_q is matched in p_md
- **************************************************************************/
-int
-libvlc_tag_query_match( libvlc_tag_query_t * p_q,
- libvlc_media_descriptor_t * p_md,
- libvlc_exception_t * p_e )
-{
- int i;
- struct libvlc_tags_storage_t * p_ts;
- (void)p_e;
-
- if( !p_q->psz_tag_key )
- return 1;
-
- p_ts = vlc_dictionary_value_for_key( &p_md->tags, p_q->psz_tag_key );
- if( !p_q->tag )
- return p_ts->i_count > 0;
-
- for( i = 0; i < p_ts->i_count; i++ )
- {
- if( !strcmp( p_ts->ppsz_tags[i], p_q->tag ) )
- return 1;
- }
-
- /* In construction... */
- return 0;
-}