Source of file Stream.php
Size: 4,403 Bytes - Last Modified: 2014-03-12T23:21:18+01:00
/home/theseer/Downloads/ZendFramework-2.3.0/library/Zend/View/Stream.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188 | <?php /** * Zend Framework (http://framework.zend.com/) * * @link http://github.com/zendframework/zf2 for the canonical source repository * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ namespace Zend\View; /** * Stream wrapper to convert markup of mostly-PHP templates into PHP prior to * include(). * * Based in large part on the example at * http://www.php.net/manual/en/function.stream-wrapper-register.php * * As well as the example provided at: * http://mikenaberezny.com/2006/02/19/symphony-templates-ruby-erb/ * written by * Mike Naberezny (@link http://mikenaberezny.com) * Paul M. Jones (@link http://paul-m-jones.com) */ class Stream { /** * Current stream position. * * @var int */ protected $pos = 0; /** * Data for streaming. * * @var string */ protected $data; /** * Stream stats. * * @var array */ protected $stat; /** * Opens the script file and converts markup. * * @param string $path * @param $mode * @param $options * @param $opened_path * @return bool */ public function stream_open($path, $mode, $options, &$opened_path) { // get the view script source $path = str_replace('zend.view://', '', $path); $this->data = file_get_contents($path); /** * If reading the file failed, update our local stat store * to reflect the real stat of the file, then return on failure */ if ($this->data === false) { $this->stat = stat($path); return false; } /** * Convert <?= ?> to long-form <?php echo ?> and <?php ?> to <?php ?> * */ $this->data = preg_replace('/\<\?\=/', "<?php echo ", $this->data); $this->data = preg_replace('/<\?(?!xml|php)/s', '<?php ', $this->data); /** * file_get_contents() won't update PHP's stat cache, so we grab a stat * of the file to prevent additional reads should the script be * requested again, which will make include() happy. */ $this->stat = stat($path); return true; } /** * Included so that __FILE__ returns the appropriate info * * @return array */ public function url_stat() { return $this->stat; } /** * Reads from the stream. * * @param int $count * @return string */ public function stream_read($count) { $ret = substr($this->data, $this->pos, $count); $this->pos += strlen($ret); return $ret; } /** * Tells the current position in the stream. * * @return int */ public function stream_tell() { return $this->pos; } /** * Tells if we are at the end of the stream. * * @return bool */ public function stream_eof() { return $this->pos >= strlen($this->data); } /** * Stream statistics. * * @return array */ public function stream_stat() { return $this->stat; } /** * Seek to a specific point in the stream. * * @param $offset * @param $whence * @return bool */ public function stream_seek($offset, $whence) { switch ($whence) { case SEEK_SET: if ($offset < strlen($this->data) && $offset >= 0) { $this->pos = $offset; return true; } else { return false; } break; case SEEK_CUR: if ($offset >= 0) { $this->pos += $offset; return true; } else { return false; } break; case SEEK_END: if (strlen($this->data) + $offset >= 0) { $this->pos = strlen($this->data) + $offset; return true; } else { return false; } break; default: return false; } } } |