/*
 *  SPL - The SPL Programming Language
 *  Copyright (C) 2004, 2005  Clifford Wolf <clifford@clifford.at>
 *
 *  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 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 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
 *
 *  mod_encode_url.spl: URL encode strings
 */

/**
 * URL encoder
 */

/**
 * This function URL encodes a string. All charachters except [a-zA-Z0-9]
 * are encoded.
 *
 * This function is designed to be used with the encoding/quoting operator (::).
 */
function encode_url(text)
{
	return text =~ e/[^a-zA-Z0-9]/Rg ($0 ~== " " ? "+" : fmt("%%%02x", ord($0)));
}