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<?php /* * This file is part of Twig. * * (c) Fabien Potencier * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Twig\Node; use Twig\Compiler; use Twig\Error\SyntaxError; /** * Represents a macro node. * * @author Fabien Potencier <fabien@symfony.com> */ class MacroNode extends Node { const VARARGS_NAME = 'varargs'; public function __construct(string $name, Node $body, Node $arguments, int $lineno, string $tag = null) { foreach ($arguments as $argumentName => $argument) { if (self::VARARGS_NAME === $argumentName) { throw new SyntaxError(sprintf('The argument "%s" in macro "%s" cannot be defined because the variable "%s" is reserved for arbitrary arguments.', self::VARARGS_NAME, $name, self::VARARGS_NAME), $argument->getTemplateLine(), $argument->getSourceContext()); } } parent::__construct(['body' => $body, 'arguments' => $arguments], ['name' => $name], $lineno, $tag); } public function compile(Compiler $compiler) { $compiler ->addDebugInfo($this) ->write(sprintf('public function macro_%s(', $this->getAttribute('name'))) ; $count = \count($this->getNode('arguments')); $pos = 0; foreach ($this->getNode('arguments') as $name => $default) { $compiler ->raw('$__'.$name.'__ = ') ->subcompile($default) ; if (++$pos < $count) { $compiler->raw(', '); } } if ($count) { $compiler->raw(', '); } $compiler ->raw('...$__varargs__') ->raw(")\n") ->write("{\n") ->indent() ->write("\$macros = \$this->macros;\n") ->write("\$context = \$this->env->mergeGlobals([\n") ->indent() ; foreach ($this->getNode('arguments') as $name => $default) { $compiler ->write('') ->string($name) ->raw(' => $__'.$name.'__') ->raw(",\n") ; } $compiler ->write('') ->string(self::VARARGS_NAME) ->raw(' => ') ; $compiler ->raw("\$__varargs__,\n") ->outdent() ->write("]);\n\n") ->write("\$blocks = [];\n\n") ; if ($compiler->getEnvironment()->isDebug()) { $compiler->write("ob_start();\n"); } else { $compiler->write("ob_start(function () { return ''; });\n"); } $compiler ->write("try {\n") ->indent() ->subcompile($this->getNode('body')) ->raw("\n") ->write("return ('' === \$tmp = ob_get_contents()) ? '' : new Markup(\$tmp, \$this->env->getCharset());\n") ->outdent() ->write("} finally {\n") ->indent() ->write("ob_end_clean();\n") ->outdent() ->write("}\n") ->outdent() ->write("}\n\n") ; } } class_alias('Twig\Node\MacroNode', 'Twig_Node_Macro');