modules/misc/playlist/html.c

   1 /*****************************************************************************
   2  * html.c : HTML playlist export module
   3  *****************************************************************************
   4  * Copyright (C) 2008-2009 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Rémi Duraffort <ivoire@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
  24 #ifdef HAVE_CONFIG_H
  25 # include "config.h"
  26 #endif
  27
  28 #include <vlc_common.h>
  29 #include <vlc_playlist.h>
  30 #include <vlc_input.h>
  31 #include <vlc_strings.h>
  32
  33 #include <assert.h>
  34
  35
  36 // Export the playlist in HTML
  37 int Export_HTML( vlc_object_t *p_this );
  38
  39
  40 /**
  41  * Recursively follow the playlist
  42  * @param p_export: the export structure
  43  * @param p_root: the current node
  44  */
  45 static void DoChildren( playlist_export_t *p_export, playlist_item_t *p_root )
  46 {
  47     /* Go through the playlist and add items */
  48     for( int i = 0; i < p_root->i_children ; i++)
  49     {
  50         playlist_item_t *p_current = p_root->pp_children[i];
  51         assert( p_current );
  52
  53         if( p_current->i_children >= 0 )
  54         {
  55             DoChildren( p_export, p_current );
  56             continue;
  57         }
  58
  59         char* psz_name = NULL;
  60         char *psz_tmp = input_item_GetName( p_current->p_input );
  61         if( psz_tmp )
  62             psz_name = vlc_xml_encode( psz_tmp );
  63         free( psz_tmp );
  64
  65         if( psz_name )
  66         {
  67             char* psz_artist = NULL;
  68             psz_tmp = input_item_GetArtist( p_current->p_input );
  69             if( psz_tmp )
  70                 psz_artist = vlc_xml_encode( psz_tmp );
  71             free( psz_tmp );
  72
  73             mtime_t i_duration = input_item_GetDuration( p_current->p_input );
  74             int min = ( i_duration / 1000000 ) / 60;
  75             int sec = ( i_duration / 1000000 ) - min * 60;
  76
  77             // Print the artist if we have one
  78             if( psz_artist && *psz_artist )
  79                 fprintf( p_export->p_file, "    <li>%s - %s (%02d:%02d)</li>\n", psz_artist, psz_name, min, sec );
  80             else
  81                 fprintf( p_export->p_file, "    <li>%s (%2d:%2d)</li>\n", psz_name, min, sec );
  82
  83             free( psz_artist );
  84         }
  85         free( psz_name );
  86     }
  87 }
  88
  89
  90 /**
  91  * Export the playlist as an HTML page
  92  * @param p_this: the playlist
  93  * @return VLC_SUCCESS if everything goes fine
  94  */
  95 int Export_HTML( vlc_object_t *p_this )
  96 {
  97     playlist_export_t *p_export = (playlist_export_t *)p_this;
  98
  99     msg_Dbg( p_export, "saving using HTML format" );
 100
 101     /* Write header */
 102     fprintf( p_export->p_file, "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n"
 103 "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">\n"
 104 "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\">\n"
 105 "<head>\n"
 106 "  <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n"
 107 "  <meta name=\"Generator\" content=\"VLC media player\" />\n"
 108 "  <meta name=\"Author\" content=\"VLC, http://www.videolan.org/vlc/\" />\n"
 109 "  <title>VLC generated playlist</title>\n"
 110 "  <style type=\"text/css\">\n"
 111 "    body {\n"
 112 "      background-color: #E4F3FF;\n"
 113 "      font-family: sans-serif, Helvetica, Arial;\n"
 114 "      font-size: 13px;\n"
 115 "    }\n"
 116 "    h1 {\n"
 117 "      color: #2D58AE;\n"
 118 "      font-size: 25px;\n"
 119 "    }\n"
 120 "    hr {\n"
 121 "      color: #555555;\n"
 122 "    }\n"
 123 "  </style>\n"
 124 "</head>\n\n"
 125 "<body>\n"
 126 "  <h1>Playlist</h1>\n"
 127 "  <hr />\n"
 128 "  <ol>\n" );
 129
 130     // Call the playlist constructor
 131     DoChildren( p_export, p_export->p_root );
 132
 133     // Print the footer
 134     fprintf( p_export->p_file, "  </ol>\n"
 135 "  <hr />\n"
 136 "</body>\n"
 137 "</html>" );
 138     return VLC_SUCCESS;
 139 }
 140