<?php
/***********************************************
* File      :   stringstreamwrapper.php
* Project   :   Z-Push
* Descr     :   Wraps a string as a standard php stream
*
* Created   :   24.11.2011
*
* Copyright 2007 - 2013 Zarafa Deutschland GmbH
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation with the following additional
* term according to sec. 7:
*
* According to sec. 7 of the GNU Affero General Public License, version 3,
* the terms of the AGPL are supplemented with the following terms:
*
* "Zarafa" is a registered trademark of Zarafa B.V.
* "Z-Push" is a registered trademark of Zarafa Deutschland GmbH
* The licensing of the Program under the AGPL does not imply a trademark license.
* Therefore any rights, title and interest in our trademarks remain entirely with us.
*
* However, if you propagate an unmodified version of the Program you are
* allowed to use the term "Z-Push" to indicate that you distribute the Program.
* Furthermore you may use our trademarks where it is necessary to indicate
* the intended purpose of a product or service provided you use it in accordance
* with honest practices in industrial or commercial matters.
* If you want to propagate modified versions of the Program under the name "Z-Push",
* you may only do so if you have a written permission by Zarafa Deutschland GmbH
* (to acquire a permission please contact Zarafa at trademark@zarafa.com).
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
* Consult LICENSE file for details
************************************************/

class StringStreamWrapper {
    /**
     * Instantiates a stream
     *
     * @param string $string  The string to be wrapped
     * @access public
     * @return stream
     */
    public static function Open($string) {
        ZLog::Write(LOGLEVEL_DEBUG, sprintf("StringStreamWrapper::Open(): len = %d", strlen($string)));
        if (defined('BUG68532FIXED') && BUG68532FIXED === true) {
            ZLog::Write(LOGLEVEL_DEBUG, "StringStreamWrapper::Open(): Using php://temp");
            $stream = fopen('php://temp', 'r+');
        } else {
            ZLog::Write(LOGLEVEL_DEBUG, "StringStreamWrapper::Open(): Using tmpfile()");
            $stream = tmpfile();
        }
        fwrite($stream, $string);
        rewind($stream);
        return $stream;
    }
}