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184 lines
4.6 KiB
PHTML
184 lines
4.6 KiB
PHTML
![]()
15 years ago
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_View
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Stream.php 16541 2009-07-07 06:59:03Z bkarwin $
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*/
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/**
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* Stream wrapper to convert markup of mostly-PHP templates into PHP prior to
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* include().
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*
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* Based in large part on the example at
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* http://www.php.net/manual/en/function.stream-wrapper-register.php
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*
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* As well as the example provided at:
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* http://mikenaberezny.com/2006/02/19/symphony-templates-ruby-erb/
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* written by
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* Mike Naberezny (@link http://mikenaberezny.com)
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* Paul M. Jones (@link http://paul-m-jones.com)
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*
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* @category Zend
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* @package Zend_View
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_View_Stream
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{
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/**
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* Current stream position.
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*
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* @var int
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*/
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protected $_pos = 0;
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/**
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* Data for streaming.
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*
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* @var string
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*/
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protected $_data;
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/**
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* Stream stats.
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*
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* @var array
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*/
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protected $_stat;
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/**
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* Opens the script file and converts markup.
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*/
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public function stream_open($path, $mode, $options, &$opened_path)
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{
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// get the view script source
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$path = str_replace('zend.view://', '', $path);
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$this->_data = file_get_contents($path);
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/**
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* If reading the file failed, update our local stat store
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* to reflect the real stat of the file, then return on failure
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*/
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if ($this->_data === false) {
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$this->_stat = stat($path);
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return false;
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}
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/**
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* Convert <?= ?> to long-form <?php echo ?> and <? ?> to <?php ?>
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*
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*/
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$this->_data = preg_replace('/\<\?\=/', "<?php echo ", $this->_data);
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$this->_data = preg_replace('/<\?(?!xml|php)/s', '<?php ', $this->_data);
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/**
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* file_get_contents() won't update PHP's stat cache, so we grab a stat
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* of the file to prevent additional reads should the script be
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* requested again, which will make include() happy.
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*/
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$this->_stat = stat($path);
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return true;
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}
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/**
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* Included so that __FILE__ returns the appropriate info
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*
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* @return array
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*/
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public function url_stat()
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{
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return $this->_stat;
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}
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/**
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* Reads from the stream.
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*/
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public function stream_read($count)
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{
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$ret = substr($this->_data, $this->_pos, $count);
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$this->_pos += strlen($ret);
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return $ret;
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}
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/**
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* Tells the current position in the stream.
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*/
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public function stream_tell()
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{
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return $this->_pos;
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}
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/**
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* Tells if we are at the end of the stream.
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*/
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public function stream_eof()
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{
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return $this->_pos >= strlen($this->_data);
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}
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/**
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* Stream statistics.
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*/
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public function stream_stat()
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{
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return $this->_stat;
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}
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/**
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* Seek to a specific point in the stream.
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*/
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public function stream_seek($offset, $whence)
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{
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switch ($whence) {
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case SEEK_SET:
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if ($offset < strlen($this->_data) && $offset >= 0) {
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$this->_pos = $offset;
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return true;
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} else {
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return false;
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}
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break;
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case SEEK_CUR:
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if ($offset >= 0) {
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$this->_pos += $offset;
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return true;
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} else {
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return false;
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}
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break;
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case SEEK_END:
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if (strlen($this->_data) + $offset >= 0) {
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$this->_pos = strlen($this->_data) + $offset;
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return true;
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} else {
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return false;
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}
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break;
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default:
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return false;
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}
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}
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}
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