/**

 * GMyth Library

 *

 * @file gmyth/gmyth_common.c

 * 

 * @brief <p> This file contains basic common functions for the gmyth library.

 *

 * Copyright (C) 2006 INdT - Instituto Nokia de Tecnologia.

 * @author Leonardo Sobral Cunha <leonardo.cunha@indt.org.br>

 * @author Rosfran Borges <rosfran.borges@indt.org.br>

 *

 * 

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU Lesser 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 Lesser General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include "gmyth_common.h"

#include "gmyth_debug.h"

#include "gmyth_util.h"

static void     free_channel_data(gpointer data, gpointer user_data);

static void     free_program_data(gpointer data, gpointer user_data);

/** 

* Frees the memory allocated to the GMythChannelInfo objects inside list.

* The list memory is also released by g_list_free(). If LIST is NULL it

* simply returns.

* 

* @param list the GList containing a list of GMythChannelInfo to free.

*/

void

gmyth_free_channel_list(GList * list)

{

    g_return_if_fail(list != NULL);

    g_list_foreach(list, free_channel_data, NULL);

    g_list_free(list);

}

/** 

 * Frees the memory allocated to the GMythProgramInfo objects inside list.

 * The list memory is also released by g_list_free(). If list is NULL it

 * simply returns.

 * 

 * @param list the GList containing a list of GMythProgramInfo to free.

 */

void

gmyth_free_program_list(GList * list)

{

    g_return_if_fail(list != NULL);

    g_list_foreach(list, free_program_data, NULL);

    g_list_free(list);

}

void

gmyth_channel_info_free(GMythChannelInfo * channel)

{

    g_return_if_fail(channel != NULL);

    if (channel->channel_num)

        g_string_free(channel->channel_num, TRUE);

    if (channel->channel_name)

        g_string_free(channel->channel_name, TRUE);

    if (channel->channel_icon)

        g_string_free(channel->channel_icon, TRUE);

    g_free(channel);

}

/**

 * Prints the channel info to the standard output. The gmyth debug must be enabled.

 * @param channel_info the GMythChannelInfo instance

 */

void

gmyth_channel_info_print(GMythChannelInfo * channel_info)

{

#ifdef GMYTH_USE_DEBUG

    if (channel_info != NULL) {

        g_return_if_fail(channel_info->channel_name != NULL);

        g_return_if_fail(channel_info->channel_num != NULL);

        gmyth_debug("ChannelInfo (Name, Num, ID) = (%s, %s, %d)",

                    channel_info->channel_name->str,

                    channel_info->channel_num->str,

                    channel_info->channel_ID);

    }

#endif

}

/**

 * Prints the program info to the standard output. The gmyth debug must be enabled.

 * @param channel_info the GMythProgramInfo instance

 */

void

gmyth_program_info_print(GMythProgramInfo * program_info)

{

#ifdef GMYTH_USE_DEBUG

    g_return_if_fail(program_info);

    gmyth_debug("ProgramInfo\n\tTitle = %s\n\t"

                "Description = %s\n\t"

                "Start time= %s\t"

                "End time = %s\n"

                "Path name = %s\n"

                "File size = %lld\n",

                program_info->title ? program_info->title->str : "NULL",

                program_info->description ? program_info->description->

                str : "NULL",

                gmyth_util_time_to_string_from_time_val(program_info->

                                                        startts),

                gmyth_util_time_to_string_from_time_val(program_info->

                                                        endts),

                program_info->pathname ? program_info->pathname->

                str : "NULL", program_info->filesize);

#endif

}

static void

free_channel_data(gpointer data, gpointer user_data)

{

    /*

     * Frees the GMythChannelInfo structure 

     */

    GMythChannelInfo *channel = (GMythChannelInfo *) data;

    gmyth_channel_info_free(channel);

}

static void

free_program_data(gpointer data, gpointer user_data)

{

    g_return_if_fail(data != NULL);

    g_object_unref((GMythProgramInfo *) data);

}