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<?php |
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/* |
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* This file is part of Twig. |
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* |
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* (c) Fabien Potencier |
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* (c) Armin Ronacher |
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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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namespace nystudio107\templatecomments\web\twig\tokenparsers; |
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use nystudio107\templatecomments\TemplateComments; |
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use nystudio107\templatecomments\web\twig\nodes\CommentBlockNode; |
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use Twig\Error\SyntaxError; |
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use Twig\Node\BlockNode; |
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use Twig\Node\BlockReferenceNode; |
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use Twig\Node\Node; |
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use Twig\Node\PrintNode; |
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use Twig\Token; |
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use Twig\TokenParser\AbstractTokenParser; |
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use function sprintf; |
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/** |
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* Marks a section of a template as being reusable. |
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* |
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* <pre> |
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* {% block head %} |
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* <link rel="stylesheet" href="style.css" /> |
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* <title>{% block title %}{% endblock %} - My Webpage</title> |
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* {% endblock %} |
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* </pre> |
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*/ |
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final class CommentBlockTokenParser extends AbstractTokenParser |
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{ |
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public function parse(Token $token): Node |
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{ |
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$lineno = $token->getLine(); |
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$stream = $this->parser->getStream(); |
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$name = $stream->expect(Token::NAME_TYPE)->getValue(); |
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// Exclude certain blocks from being CommentBlockNodes |
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$blockClass = CommentBlockNode::class; |
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$settings = TemplateComments::$settings; |
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foreach ($settings->excludeBlocksThatContain as $excludeString) { |
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if (stripos($name, $excludeString) !== false) { |
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$blockClass = BlockNode::class; |
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} |
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} |
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$this->parser->setBlock($name, $block = new $blockClass($name, new Node([]), $lineno)); |
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$this->parser->pushLocalScope(); |
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$this->parser->pushBlockStack($name); |
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if ($stream->nextIf(Token::BLOCK_END_TYPE)) { |
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$body = $this->parser->subparse([$this, 'decideBlockEnd'], true); |
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if ($token = $stream->nextIf(Token::NAME_TYPE)) { |
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$value = $token->getValue(); |
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if ($value != $name) { |
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throw new SyntaxError(sprintf('Expected endblock for block "%s" (but "%s" given).', $name, $value), $stream->getCurrent()->getLine(), $stream->getSourceContext()); |
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} |
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} |
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} else { |
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$body = new Node([ |
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new PrintNode($this->parser->getExpressionParser()->parseExpression(), $lineno), |
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]); |
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} |
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$stream->expect(Token::BLOCK_END_TYPE); |
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$block->setNode('body', $body); |
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$this->parser->popBlockStack(); |
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$this->parser->popLocalScope(); |
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return new BlockReferenceNode($name, $lineno); |
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} |
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public function decideBlockEnd(Token $token): bool |
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{ |
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return $token->test('endblock'); |
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} |
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public function getTag(): string |
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{ |
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return 'block'; |
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} |
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} |
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