/* libquvi

 * Copyright (C) 2012-2013  Toni Gundogdu <legatvs@gmail.com>

 *

 * This file is part of libquvi <http://quvi.sourceforge.net/>.

 *

 * This library is free software: you can redistribute it and/or

 * modify it under the terms of the GNU Affero General Public

 * License as published by the Free Software Foundation, either

 * version 3 of the License, or (at your option) any later version.

 *

 * This library 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 Affero General Public License for more details.

 *

 * You should have received a copy of the GNU Affero General

 * Public License along with this library.  If not, see

 * <http://www.gnu.org/licenses/>.

 */

/** @file script_next.c */

#include "config.h"

#include <glib.h>

#include "quvi.h"

/* -- */

#include "_quvi_s.h"

/** @cond NODOC */

#ifdef _1

#define _W "libquvi: %s: %d"

#endif

/** @endcond */

/** @brief Traverse to the next script

@return QUVI_TRUE if succeeded, otherwise QUVI_FALSE

@ingroup script

*/

QuviBoolean quvi_script_next(quvi_t handle, QuviScriptType type)

{

  QuviBoolean r;

  GSList *l;

  _quvi_t q;

  q = (_quvi_t) handle;

  /* If G_DISABLE_CHECKS is defined then the check is not performed. */

  g_return_val_if_fail(handle != NULL, QUVI_FALSE);

  switch (type)

    {

    case QUVI_SCRIPT_TYPE_SUBTITLE_EXPORT:

      l = q->scripts.subtitle_export;

      break;

    case QUVI_SCRIPT_TYPE_SUBTITLE:

      l = q->scripts.subtitle;

      break;

    case QUVI_SCRIPT_TYPE_PLAYLIST:

      l = q->scripts.playlist;

      break;

    default:

#ifdef _1

      g_warning(_W, __func__, (gint) type);

#endif

    case QUVI_SCRIPT_TYPE_MEDIA:

      l = q->scripts.media;

      break;

    case QUVI_SCRIPT_TYPE_SCAN:

      l = q->scripts.scan;

      break;

    }

  r = QUVI_FALSE;

  switch (type)

    {

    case QUVI_SCRIPT_TYPE_SUBTITLE_EXPORT:

      q->scripts.curr.subtitle_export =

        (q->scripts.curr.subtitle_export != NULL)

        ? g_slist_next(q->scripts.curr.subtitle_export)

        : l;

      r = (q->scripts.curr.subtitle_export != NULL)

          ? QUVI_TRUE

          : QUVI_FALSE;

      break;

    case QUVI_SCRIPT_TYPE_SUBTITLE:

      q->scripts.curr.subtitle = (q->scripts.curr.subtitle != NULL)

                                 ? g_slist_next(q->scripts.curr.subtitle)

                                 : l;

      r = (q->scripts.curr.subtitle != NULL)

          ? QUVI_TRUE

          : QUVI_FALSE;

      break;

    case QUVI_SCRIPT_TYPE_PLAYLIST:

      q->scripts.curr.playlist = (q->scripts.curr.playlist != NULL)

                                 ? g_slist_next(q->scripts.curr.playlist)

                                 : l;

      r = (q->scripts.curr.playlist != NULL)

          ? QUVI_TRUE

          : QUVI_FALSE;

      break;

    case QUVI_SCRIPT_TYPE_MEDIA:

    default:

      q->scripts.curr.media = (q->scripts.curr.media != NULL)

                              ? g_slist_next(q->scripts.curr.media)

                              : l;

      r = (q->scripts.curr.media != NULL)

          ? QUVI_TRUE

          : QUVI_FALSE;

      break;

    case QUVI_SCRIPT_TYPE_SCAN:

      q->scripts.curr.scan = (q->scripts.curr.scan != NULL)

                             ? g_slist_next(q->scripts.curr.scan)

                             : l;

      r = (q->scripts.curr.scan != NULL)

          ? QUVI_TRUE

          : QUVI_FALSE;

      break;

    }

  return (r);

}

#undef _W

/* vim: set ts=2 sw=2 tw=72 expandtab: */