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- <?php
-
- /*
- * This file is part of the Assetic package, an OpenSky project.
- *
- * (c) 2010-2012 OpenSky Project Inc
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
- namespace Assetic\Extension\Twig;
-
- use Assetic\Asset\AssetInterface;
- use Assetic\Factory\AssetFactory;
-
- class AsseticTokenParser extends \Twig_TokenParser
- {
- private $factory;
- private $tag;
- private $output;
- private $single;
- private $extensions;
-
- /**
- * Constructor.
- *
- * Attributes can be added to the tag by passing names as the options
- * array. These values, if found, will be passed to the factory and node.
- *
- * @param AssetFactory $factory The asset factory
- * @param string $tag The tag name
- * @param string $output The default output string
- * @param Boolean $single Whether to force a single asset
- * @param array $extensions Additional attribute names to look for
- */
- public function __construct(AssetFactory $factory, $tag, $output, $single = false, array $extensions = array())
- {
- $this->factory = $factory;
- $this->tag = $tag;
- $this->output = $output;
- $this->single = $single;
- $this->extensions = $extensions;
- }
-
- public function parse(\Twig_Token $token)
- {
- $inputs = array();
- $filters = array();
- $name = null;
- $attributes = array(
- 'output' => $this->output,
- 'var_name' => 'asset_url',
- );
-
- $stream = $this->parser->getStream();
- while (!$stream->test(\Twig_Token::BLOCK_END_TYPE)) {
- if ($stream->test(\Twig_Token::STRING_TYPE)) {
- // '@jquery', 'js/src/core/*', 'js/src/extra.js'
- $inputs[] = $stream->next()->getValue();
- } elseif ($stream->test(\Twig_Token::NAME_TYPE, 'filter')) {
- // filter='yui_js'
- $stream->next();
- $stream->expect(\Twig_Token::OPERATOR_TYPE, '=');
- $filters = array_merge($filters, array_filter(array_map('trim', explode(',', $stream->expect(\Twig_Token::STRING_TYPE)->getValue()))));
- } elseif ($stream->test(\Twig_Token::NAME_TYPE, 'output')) {
- // output='js/packed/*.js' OR output='js/core.js'
- $stream->next();
- $stream->expect(\Twig_Token::OPERATOR_TYPE, '=');
- $attributes['output'] = $stream->expect(\Twig_Token::STRING_TYPE)->getValue();
- } elseif ($stream->test(\Twig_Token::NAME_TYPE, 'name')) {
- // name='core_js'
- $stream->next();
- $stream->expect(\Twig_Token::OPERATOR_TYPE, '=');
- $name = $stream->expect(\Twig_Token::STRING_TYPE)->getValue();
- } elseif ($stream->test(\Twig_Token::NAME_TYPE, 'as')) {
- // as='the_url'
- $stream->next();
- $stream->expect(\Twig_Token::OPERATOR_TYPE, '=');
- $attributes['var_name'] = $stream->expect(\Twig_Token::STRING_TYPE)->getValue();
- } elseif ($stream->test(\Twig_Token::NAME_TYPE, 'debug')) {
- // debug=true
- $stream->next();
- $stream->expect(\Twig_Token::OPERATOR_TYPE, '=');
- $attributes['debug'] = 'true' == $stream->expect(\Twig_Token::NAME_TYPE, array('true', 'false'))->getValue();
- } elseif ($stream->test(\Twig_Token::NAME_TYPE, 'combine')) {
- // combine=true
- $stream->next();
- $stream->expect(\Twig_Token::OPERATOR_TYPE, '=');
- $attributes['combine'] = 'true' == $stream->expect(\Twig_Token::NAME_TYPE, array('true', 'false'))->getValue();
- } elseif ($stream->test(\Twig_Token::NAME_TYPE, $this->extensions)) {
- // an arbitrary configured attribute
- $key = $stream->next()->getValue();
- $stream->expect(\Twig_Token::OPERATOR_TYPE, '=');
- $attributes[$key] = $stream->expect(\Twig_Token::STRING_TYPE)->getValue();
- } else {
- $token = $stream->getCurrent();
- throw new \Twig_Error_Syntax(sprintf('Unexpected token "%s" of value "%s"', \Twig_Token::typeToEnglish($token->getType(), $token->getLine()), $token->getValue()), $token->getLine());
- }
- }
-
- $stream->expect(\Twig_Token::BLOCK_END_TYPE);
-
- $body = $this->parser->subparse(array($this, 'testEndTag'), true);
-
- $stream->expect(\Twig_Token::BLOCK_END_TYPE);
-
- if ($this->single && 1 < count($inputs)) {
- $inputs = array_slice($inputs, -1);
- }
-
- if (!$name) {
- $name = $this->factory->generateAssetName($inputs, $filters, $attributes);
- }
-
- $asset = $this->factory->createAsset($inputs, $filters, $attributes + array('name' => $name));
-
- return $this->createNode($asset, $body, $inputs, $filters, $name, $attributes, $token->getLine(), $this->getTag());
- }
-
- public function getTag()
- {
- return $this->tag;
- }
-
- public function testEndTag(\Twig_Token $token)
- {
- return $token->test(array('end'.$this->getTag()));
- }
-
- protected function createNode(AssetInterface $asset, \Twig_NodeInterface $body, array $inputs, array $filters, $name, array $attributes = array(), $lineno = 0, $tag = null)
- {
- return new AsseticNode($asset, $body, $inputs, $filters, $name, $attributes, $lineno, $tag);
- }
- }
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