git.sesse.net Git - vlc/blob - src/playlist/search.c

   1 /*****************************************************************************
   2  * search.c : Search functions
   3  *****************************************************************************
   4  * Copyright (C) 1999-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Clément Stenac <zorglub@videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23 #include <vlc/vlc.h>
  24 #include <vlc/input.h>
  25 #include "vlc_playlist.h"
  26 #include "playlist_internal.h"
  27
  28 /***************************************************************************
  29  * Item search functions
  30  ***************************************************************************/
  31
  32 /**
  33  * Search a playlist item by its playlist_item id
  34  *
  35  * \param p_playlist the playlist
  36  * \param i_id the id to find
  37  * \return the item or NULL on failure
  38  */
  39 playlist_item_t * playlist_ItemGetById( playlist_t * p_playlist , int i_id )
  40 {
  41     int i;
  42     ARRAY_BSEARCH( p_playlist->all_items,->i_id, int, i_id, i );
  43     if( i != -1 )
  44         return ARRAY_VAL( p_playlist->all_items, i );
  45     return NULL;
  46 }
  47
  48 /**
  49  * Search an item by its input_item_t
  50  *
  51  * \param p_playlist the playlist
  52  * \param p_item the input_item_t to find
  53  * \return the item, or NULL on failure
  54  */
  55 playlist_item_t * playlist_ItemGetByInput( playlist_t * p_playlist ,
  56                                            input_item_t *p_item )
  57 {
  58     int i;
  59     if( p_playlist->status.p_item &&
  60         p_playlist->status.p_item->p_input == p_item )
  61     {
  62         return p_playlist->status.p_item;
  63     }
  64     /** \todo Check if this is always incremental and whether we can bsearch */
  65     for( i =  0 ; i < p_playlist->all_items.i_size; i++ )
  66     {
  67         if( ARRAY_VAL(p_playlist->all_items, i)->p_input->i_id == p_item->i_id )
  68             return ARRAY_VAL(p_playlist->all_items, i);
  69     }
  70     return NULL;
  71 }
  72
  73 /***************************************************************************
  74  * Live search handling
  75  ***************************************************************************/
  76
  77 int playlist_LiveSearchUpdate( playlist_t *p_playlist, playlist_item_t *p_root,
  78                                const char *psz_string )
  79 {
  80    int i;
  81    p_playlist->b_reset_currently_playing = VLC_TRUE;
  82    for( i = 0 ; i< p_root->i_children ; i ++ )
  83    {
  84         playlist_item_t *p_item = p_root->pp_children[i];
  85         if( p_item->i_children > -1 )
  86         {
  87             playlist_LiveSearchUpdate( p_playlist, p_item, psz_string );
  88         }
  89 #define META_MATCHES( field ) ( p_item->p_input->p_meta && \
  90                                 p_item->p_input->p_meta->psz_##field && \
  91                                 strcasestr( p_item->p_input->p_meta->psz_##field, psz_string ) )
  92         if( strcasestr( p_item->p_input->psz_name, psz_string ) ||
  93             META_MATCHES( artist ) || META_MATCHES( album ) )
  94             p_item->i_flags &= ~PLAYLIST_DBL_FLAG;
  95         else
  96             p_item->i_flags |= PLAYLIST_DBL_FLAG;
  97    }
  98    vlc_cond_signal( &p_playlist->object_wait );
  99    return VLC_SUCCESS;
 100 }