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<?php |
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|
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/* |
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* This file is part of the Assetic package, an OpenSky project. |
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* |
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* (c) 2010-2014 OpenSky Project Inc |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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|
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namespace Assetic; |
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|
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use Assetic\Asset\AssetInterface; |
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use Assetic\Util\VarUtils; |
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|
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/** |
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* Writes assets to the filesystem. |
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* |
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* @author Kris Wallsmith <[email protected]> |
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* @author Johannes M. Schmitt <[email protected]> |
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*/ |
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class AssetWriter |
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{ |
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private $dir; |
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private $values; |
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|
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/** |
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* Constructor. |
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* |
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* @param string $dir The base web directory |
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* @param array $values Variable values |
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* |
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* @throws \InvalidArgumentException if a variable value is not a string |
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*/ |
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public function __construct($dir, array $values = array()) |
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{ |
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foreach ($values as $var => $vals) { |
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foreach ($vals as $value) { |
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if (!is_string($value)) { |
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throw new \InvalidArgumentException(sprintf('All variable values must be strings, but got %s for variable "%s".', json_encode($value), $var)); |
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} |
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} |
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} |
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|
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$this->dir = $dir; |
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$this->values = $values; |
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} |
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|
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public function writeManagerAssets(AssetManager $am) |
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{ |
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foreach ($am->getNames() as $name) { |
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$this->writeAsset($am->get($name)); |
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} |
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} |
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|
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public function writeAsset(AssetInterface $asset) |
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{ |
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foreach (VarUtils::getCombinations($asset->getVars(), $this->values) as $combination) { |
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$asset->setValues($combination); |
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|
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static::write( |
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$this->dir.'/'.VarUtils::resolve( |
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$asset->getTargetPath(), |
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$asset->getVars(), |
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$asset->getValues() |
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), |
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$asset->dump() |
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); |
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} |
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} |
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|
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protected static function write($path, $contents) |
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{ |
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if (!is_dir($dir = dirname($path)) && false === @mkdir($dir, 0777, true)) { |
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throw new \RuntimeException('Unable to create directory '.$dir); |
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} |
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|
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if (false === @file_put_contents($path, $contents)) { |
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throw new \RuntimeException('Unable to write file '.$path); |
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} |
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} |
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|
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/** |
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* Not used. |
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* |
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* This method is provided for backward compatibility with certain versions |
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* of AsseticBundle. |
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*/ |
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private function getCombinations(array $vars) |
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{ |
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return VarUtils::getCombinations($vars, $this->values); |
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} |
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} |
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|
