65 lines
1.6 KiB
PHP
65 lines
1.6 KiB
PHP
<?php
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/**
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* Copyright 2012-2017 Horde LLC (http://www.horde.org/)
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*
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* See the enclosed file COPYING for license information (LGPL). If you
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* did not receive this file, see http://www.horde.org/licenses/lgpl21.
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*
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* @category Horde
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* @copyright 2012-2017 Horde LLC
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* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
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* @package Imap_Client
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*/
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/**
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* Stream filter to output a quoted IMAP string.
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*
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* @author Michael Slusarz <slusarz@horde.org>
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* @category Horde
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* @copyright 2012-2017 Horde LLC
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* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
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* @package Imap_Client
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*/
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class Horde_Imap_Client_Data_Format_Filter_Quote extends php_user_filter
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{
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/**
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* Has the initial quote been prepended?
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*
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* @var boolean
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*/
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protected $_prepend;
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/**
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*/
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public function onCreate()
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{
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$this->_prepend = false;
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}
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/**
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* @see stream_filter_register()
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*/
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public function filter($in, $out, &$consumed, $closing)
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{
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if (!$this->_prepend) {
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stream_bucket_append($out, stream_bucket_new($this->stream, '"'));
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$this->_prepend = true;
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}
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while ($bucket = stream_bucket_make_writeable($in)) {
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$consumed += $bucket->datalen;
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$bucket->data = addcslashes($bucket->data, '"\\');
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stream_bucket_append($out, $bucket);
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}
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/* feof() call needed due to:
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* http://news.php.net/php.internals/80363 */
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if ($closing || feof($this->stream)) {
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stream_bucket_append($out, stream_bucket_new($this->stream, '"'));
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}
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return PSFS_PASS_ON;
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}
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}
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