-<?php
-
-// src/Rapsys/PackBundle/Twig/Filter/CPackFilter.php
-namespace Rapsys\PackBundle\Twig\Filter;
-
-use Rapsys\PackBundle\Twig\Filter\FilterInterface;
-
-class CPackFilter implements FilterInterface {
- //Default bin
- private $bin;
-
- //Default compress type
- private $compress;
-
- //Twig template filename
- private $fileName;
-
- //Twig template line
- private $line;
-
- //Configure the object
- //XXX: compress can be minify or pretty
- public function __construct($fileName, $line, $bin = 'cpack', $compress = 'minify') {
- //Set fileName
- $this->fileName = $fileName;
-
- //Set line
- $this->line = $line;
-
- //Set bin
- $this->bin = $bin;
-
- //Set compress
- $this->compress = $compress;
-
- //Deal with compress
- if (!empty($this->compress)) {
- //Append minify parameter
- if ($this->compress == 'minify') {
- $this->bin .= ' --minify';
- //Unknown compress type
- #XXX: default compression is pretty
- } elseif ($this->compress !== 'pretty') {
- //Throw an error on unknown compress
- throw new \Twig_Error(sprintf('Got unexpected compress for %s: %s', $this->bin, $this->compress), $this->line, $this->fileName);
- }
- }
- }
-
- public function process($content) {
- //Create descriptors
- $descriptorSpec = array(
- 0 => array('pipe', 'r'),
- 1 => array('pipe', 'w'),
- 2 => array('pipe', 'w')
- );
-
- //Open process
- if (is_resource($proc = proc_open($this->bin, $descriptorSpec, $pipes))) {
- //Set stderr as non blocking
- stream_set_blocking($pipes[2], 0);
-
- //Send content to stdin
- fwrite($pipes[0], $content);
-
- //Close stdin
- fclose($pipes[0]);
-
- //Read content from stdout
- if ($stdout = stream_get_contents($pipes[1])) {
- $content = $stdout;
- }
-
- //Close stdout
- fclose($pipes[1]);
-
- //Read content from stderr
- if (($stderr = stream_get_contents($pipes[2]))) {
- throw new \Twig_Error(sprintf('Got unexpected strerr for %s: %s', $this->bin, $stderr), $this->line, $this->fileName);
- }
-
- //Close stderr
- fclose($pipes[2]);
-
- //Close process
- if (($ret = proc_close($proc))) {
- throw new \Twig_Error(sprintf('Got unexpected non zero return code %s: %d', $this->bin, $ret), $this->line, $this->fileName);
- }
- }
-
- //Return content
- return $content;
- }
-}