Code Coverage for /home/travis/build/neilime/zf-assets-bundle/src/AssetsBundle/AssetFile/AssetFileFilter/StyleAssetFileFilter/LessphpAssetFileFilter.php

1	<?php
2
3	namespace AssetsBundle\AssetFile\AssetFileFilter\StyleAssetFileFilter;
4
5	class LessphpAssetFileFilter extends \AssetsBundle\AssetFile\AssetFileFilter\AbstractAssetFileFilter
6	{
7
8	/**
9	* @var string
10	*/
11	protected $assetFileFilterName = 'Lessphp';
12
13	/**
14	* @var \Less_Parser
15	*/
16	protected $engine;
17
18	/**
19	* @param string $sContent
20	* @param string $sFilePath
21	* @return string
22	*/
23	protected function filterContent(string $sContent, string $sFilePath) : string
24	{
25	// Prevents undefined $_SERVER['DOCUMENT_ROOT']
26	$bSetDocumentRoot = false;
27	if(!array_key_exists('DOCUMENT_ROOT', $_SERVER)){
28	$_SERVER['DOCUMENT_ROOT'] = getcwd();
29	$bSetDocumentRoot = true;
30	}
31	$sFilteredContent = $this->getEngine()->parseFile($sFilePath)->getCss();
32
33	if($bSetDocumentRoot){
34	unset($_SERVER['DOCUMENT_ROOT']);
35	}
36
37	return $sFilteredContent;
38	}
39
40	/**
41	* @return \Less_Parser
42	*/
43	protected function getEngine() : \Less_Parser
44	{
45	$sClassName = '\\Less_Parser';
46	if (!class_exists($sClassName)) {
47	throw new \LogicException('"'. $sClassName. '" class does not exist');
48	}
49
50	if (is_a($this->engine, $sClassName)) {
51	$this->engine->Reset();
52	return $this->engine;
53	}
54
55	$oEngine = new $sClassName();
56	$oEngine->SetImportDirs(array(getcwd() => getcwd()));
57	return $this->engine = $oEngine;
58	}
59	}