/*

 * gnome-keyring

 *

 * Copyright (C) 2011 Collabora Ltd

 *

 * 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 2.1 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

 * Lesser 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, see <http://www.gnu.org/licenses/>.

 *

 * Author: Stef Walter <stefw@collabora.co.uk>

 */

#include "config.h"

#include "gcr-util.h"

#include <string.h>

/**

 * _gcr_util_parse_lines:

 * @string: The string to parse lines from, will be modified

 * @last_line: Whether or not we should run for last line or not

 * @callback: Call for each line

 * @user_data: Data for callback

 *

 * Calls callback for each line. If last_line, also sends the remainder

 * data that comes after the last line break. \n and \r\n are line separators.

 * Neither are included in data passed to callback.

 */

void

_gcr_util_parse_lines (GString *string, gboolean last_line,

                       GcrLineCallback callback, gpointer user_data)

{

	gchar *ptr;

	gchar *prev;

	g_return_if_fail (string);

	g_return_if_fail (callback);

	/* Print all stderr lines as messages */

	while ((ptr = strchr (string->str, '\n')) != NULL) {

		*ptr = '\0';

		if (ptr != string->str) {

			prev = ptr - 1;

			if (*prev == '\r')

				*prev = '\0';

		}

		(callback) (string->str, user_data);

		g_string_erase (string, 0, ptr - string->str + 1);

	}

	if (last_line && string->len) {

		(callback) (string->str, user_data);

		g_string_erase (string, 0, string->len);

	}

}