src/api/script_next.c

   1 /* libquvi
   2  * Copyright (C) 2012-2013  Toni Gundogdu <legatvs@gmail.com>
   3  *
   4  * This file is part of libquvi <http://quvi.sourceforge.net/>.
   5  *
   6  * This library is free software: you can redistribute it and/or
   7  * modify it under the terms of the GNU Affero General Public
   8  * License as published by the Free Software Foundation, either
   9  * version 3 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General
  17  * Public License along with this library.  If not, see
  18  * <http://www.gnu.org/licenses/>.
  19  */
  20
  21 /** @file script_next.c */
  22
  23 #include "config.h"
  24
  25 #include <glib.h>
  26
  27 #include "quvi.h"
  28 /* -- */
  29 #include "_quvi_s.h"
  30
  31 /** @cond NODOC */
  32 #ifdef _1
  33 #define _W "libquvi: %s: %d"
  34 #endif
  35 /** @endcond */
  36
  37 /** @brief Traverse to the next script
  38 @return QUVI_TRUE if succeeded, otherwise QUVI_FALSE
  39 @ingroup script
  40 */
  41 QuviBoolean quvi_script_next(quvi_t handle, QuviScriptType type)
  42 {
  43   QuviBoolean r;
  44   GSList *l;
  45   _quvi_t q;
  46
  47   q = (_quvi_t) handle;
  48
  49   /* If G_DISABLE_CHECKS is defined then the check is not performed. */
  50   g_return_val_if_fail(handle != NULL, QUVI_FALSE);
  51
  52   switch (type)
  53     {
  54     case QUVI_SCRIPT_TYPE_SUBTITLE_EXPORT:
  55       l = q->scripts.subtitle_export;
  56       break;
  57
  58     case QUVI_SCRIPT_TYPE_SUBTITLE:
  59       l = q->scripts.subtitle;
  60       break;
  61
  62     case QUVI_SCRIPT_TYPE_PLAYLIST:
  63       l = q->scripts.playlist;
  64       break;
  65
  66     default:
  67 #ifdef _1
  68       g_warning(_W, __func__, (gint) type);
  69 #endif
  70     case QUVI_SCRIPT_TYPE_MEDIA:
  71       l = q->scripts.media;
  72       break;
  73
  74     case QUVI_SCRIPT_TYPE_SCAN:
  75       l = q->scripts.scan;
  76       break;
  77     }
  78
  79   r = QUVI_FALSE;
  80
  81   switch (type)
  82     {
  83     case QUVI_SCRIPT_TYPE_SUBTITLE_EXPORT:
  84       q->scripts.curr.subtitle_export =
  85         (q->scripts.curr.subtitle_export != NULL)
  86         ? g_slist_next(q->scripts.curr.subtitle_export)
  87         : l;
  88       r = (q->scripts.curr.subtitle_export != NULL)
  89           ? QUVI_TRUE
  90           : QUVI_FALSE;
  91       break;
  92
  93     case QUVI_SCRIPT_TYPE_SUBTITLE:
  94       q->scripts.curr.subtitle = (q->scripts.curr.subtitle != NULL)
  95                                  ? g_slist_next(q->scripts.curr.subtitle)
  96                                  : l;
  97       r = (q->scripts.curr.subtitle != NULL)
  98           ? QUVI_TRUE
  99           : QUVI_FALSE;
 100       break;
 101
 102     case QUVI_SCRIPT_TYPE_PLAYLIST:
 103       q->scripts.curr.playlist = (q->scripts.curr.playlist != NULL)
 104                                  ? g_slist_next(q->scripts.curr.playlist)
 105                                  : l;
 106       r = (q->scripts.curr.playlist != NULL)
 107           ? QUVI_TRUE
 108           : QUVI_FALSE;
 109       break;
 110
 111     case QUVI_SCRIPT_TYPE_MEDIA:
 112     default:
 113       q->scripts.curr.media = (q->scripts.curr.media != NULL)
 114                               ? g_slist_next(q->scripts.curr.media)
 115                               : l;
 116       r = (q->scripts.curr.media != NULL)
 117           ? QUVI_TRUE
 118           : QUVI_FALSE;
 119       break;
 120
 121     case QUVI_SCRIPT_TYPE_SCAN:
 122       q->scripts.curr.scan = (q->scripts.curr.scan != NULL)
 123                              ? g_slist_next(q->scripts.curr.scan)
 124                              : l;
 125       r = (q->scripts.curr.scan != NULL)
 126           ? QUVI_TRUE
 127           : QUVI_FALSE;
 128       break;
 129     }
 130
 131   return (r);
 132 }
 133
 134 #undef _W
 135
 136 /* vim: set ts=2 sw=2 tw=72 expandtab: */