/*
 * Copyright (C) 2012 - Juan Ferrer Toribio
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 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 General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include <string.h>
#include "gvn-misc.h"

/**
 * SECTION: gvn-misc
 * @Short_description: Miscelaneous utility functions
 * @Title: Miscelaneous utility functions
 **/

/**
 * gvn_object_warning:
 * @instance: the object instance within which the warning was emitted
 * @message: (allow-none): a string with the message to show or #NULL
 * 
 * Prints a more verbose warning message than g_warning(), showing the type of
 * the object @instance, the file and line from where it's been called and
 * @message, if any.  
 **/

/**
 * gvn_key_file_save:
 * @obj: a #GKeyFile
 * @file: the file name
 * 
 * Creates an ini file with the contents of @obj. 
 **/
void gvn_key_file_save (GKeyFile * obj, const gchar * file)
{
	gsize len;
	gchar * aux;

	aux = g_key_file_to_data (obj, &len, NULL);

	if (len > 0)
		g_file_set_contents (file, aux, len, NULL);
		
	g_free (aux);
}

/**
 * gvn_encode:
 * @string: the string to be encoded.
 *
 * Encodes an string using base64.
 *
 * Return value: the encoded string.
 **/
gchar * gvn_encode (const gchar * string)
{
	if (string)
		return g_base64_encode ((guchar *) string, strlen (string));
	else
		return NULL;
}

/**
 * gvn_decode:
 * @string: the string to be decoded.
 *
 * Decodes an string using base64.
 *
 * Return value: the decoded string.
 **/
gchar * gvn_decode (const gchar * string)
{
	if (string)
	{
		gsize len;
		gchar * base64;
		gchar * str;

		base64 = (gchar *) g_base64_decode (string, &len);
		str = g_new (gchar, len + 1);
		g_memmove (str, base64, len);
		str[len] = '\0';
		g_free (base64);
		
		return str;
	}
	else
		return NULL;
}