[7575] | 1 | <?php |
---|
| 2 | |
---|
| 3 | /* |
---|
| 4 | * This file is part of the Assetic package, an OpenSky project. |
---|
| 5 | * |
---|
| 6 | * (c) 2010-2012 OpenSky Project Inc |
---|
| 7 | * |
---|
| 8 | * For the full copyright and license information, please view the LICENSE |
---|
| 9 | * file that was distributed with this source code. |
---|
| 10 | */ |
---|
| 11 | |
---|
| 12 | namespace Assetic\Filter; |
---|
| 13 | |
---|
| 14 | use Assetic\Asset\AssetInterface; |
---|
| 15 | use Assetic\Exception\FilterException; |
---|
| 16 | use Symfony\Component\Process\ProcessBuilder; |
---|
| 17 | |
---|
| 18 | /** |
---|
| 19 | * Compiles Handlebars templates into Javascript. |
---|
| 20 | * |
---|
| 21 | * @link http://handlebarsjs.com/ |
---|
| 22 | * @author Keyvan Akbary <keyvan@funddy.com> |
---|
| 23 | */ |
---|
| 24 | class HandlebarsFilter implements FilterInterface |
---|
| 25 | { |
---|
| 26 | private $handlebarsPath; |
---|
| 27 | private $nodePath; |
---|
| 28 | |
---|
| 29 | private $minimize = false; |
---|
| 30 | private $simple = false; |
---|
| 31 | |
---|
| 32 | public function __construct($handlebarsPath = '/usr/bin/handlebars', $nodePath = null) |
---|
| 33 | { |
---|
| 34 | $this->handlebarsPath = $handlebarsPath; |
---|
| 35 | $this->nodePath = $nodePath; |
---|
| 36 | } |
---|
| 37 | |
---|
| 38 | public function setMinimize($minimize) |
---|
| 39 | { |
---|
| 40 | $this->minimize = $minimize; |
---|
| 41 | } |
---|
| 42 | |
---|
| 43 | public function setSimple($simple) |
---|
| 44 | { |
---|
| 45 | $this->simple = $simple; |
---|
| 46 | } |
---|
| 47 | |
---|
| 48 | public function filterLoad(AssetInterface $asset) |
---|
| 49 | { |
---|
| 50 | $executables = array(); |
---|
| 51 | |
---|
| 52 | if ($this->nodePath !== null) { |
---|
| 53 | $executables[] = $this->nodePath; |
---|
| 54 | } |
---|
| 55 | |
---|
| 56 | $executables[] = $this->handlebarsPath; |
---|
| 57 | |
---|
| 58 | $processBuilder = new ProcessBuilder($executables); |
---|
| 59 | |
---|
| 60 | $templateName = basename($asset->getSourcePath()); |
---|
| 61 | |
---|
| 62 | $inputDirPath = sys_get_temp_dir().DIRECTORY_SEPARATOR.uniqid('input_dir'); |
---|
| 63 | $inputPath = $inputDirPath.DIRECTORY_SEPARATOR.$templateName; |
---|
| 64 | $outputPath = tempnam(sys_get_temp_dir(), 'output'); |
---|
| 65 | |
---|
| 66 | mkdir($inputDirPath); |
---|
| 67 | file_put_contents($inputPath, $asset->getContent()); |
---|
| 68 | |
---|
| 69 | $processBuilder->add($inputPath)->add('-f')->add($outputPath); |
---|
| 70 | |
---|
| 71 | if ($this->minimize) { |
---|
| 72 | $processBuilder->add('--min'); |
---|
| 73 | } |
---|
| 74 | |
---|
| 75 | if ($this->simple) { |
---|
| 76 | $processBuilder->add('--simple'); |
---|
| 77 | } |
---|
| 78 | |
---|
| 79 | $process = $processBuilder->getProcess(); |
---|
| 80 | $returnCode = $process->run(); |
---|
| 81 | |
---|
| 82 | unlink($inputPath); |
---|
| 83 | rmdir($inputDirPath); |
---|
| 84 | |
---|
| 85 | if (127 === $returnCode) { |
---|
| 86 | throw new \RuntimeException('Path to node executable could not be resolved.'); |
---|
| 87 | } |
---|
| 88 | |
---|
| 89 | if (0 < $returnCode) { |
---|
| 90 | if (file_exists($outputPath)) { |
---|
| 91 | unlink($outputPath); |
---|
| 92 | } |
---|
| 93 | throw FilterException::fromProcess($process)->setInput($asset->getContent()); |
---|
| 94 | } |
---|
| 95 | |
---|
| 96 | if (!file_exists($outputPath)) { |
---|
| 97 | throw new \RuntimeException('Error creating output file.'); |
---|
| 98 | } |
---|
| 99 | |
---|
| 100 | $compiledJs = file_get_contents($outputPath); |
---|
| 101 | unlink($outputPath); |
---|
| 102 | |
---|
| 103 | $asset->setContent($compiledJs); |
---|
| 104 | } |
---|
| 105 | |
---|
| 106 | public function filterDump(AssetInterface $asset) |
---|
| 107 | { |
---|
| 108 | } |
---|
| 109 | } |
---|