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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / namespace Symfony\Bridge\Twig\Node; /* * @author Bernhard Schussek <bschussek@gmail.com> */ class SearchAndRenderBlockNode extends \Twig_Node_Expression_Function { public function compile(\Twig_Compiler $compiler) { $compiler->addDebugInfo($this); $compiler->raw('$this->env->getExtension(\'form\')->renderer->searchAndRenderBlock('); preg_match('/_([^_]+)$/', $this->getAttribute('name'), $matches); $label = null; $arguments = iterator_to_array($this->getNode('arguments')); $blockNameSuffix = $matches[1]; if (isset($arguments[0])) { $compiler->subcompile($arguments[0]); $compiler->raw(', \''.$blockNameSuffix.'\''); if (isset($arguments[1])) { if ('label' === $blockNameSuffix) { // The "label" function expects the label in the second and // the variables in the third argument $label = $arguments[1]; $variables = isset($arguments[2]) ? $arguments[2] : null; $lineno = $label->getLine(); if ($label instanceof \Twig_Node_Expression_Constant) { // If the label argument is given as a constant, we can either // strip it away if it is empty, or integrate it into the array // of variables at compile time. $labelIsExpression = false; // Only insert the label into the array if it is not empty if (!twig_test_empty($label->getAttribute('value'))) { $originalVariables = $variables; $variables = new \Twig_Node_Expression_Array(array(), $lineno); $labelKey = new \Twig_Node_Expression_Constant('label', $lineno); if (null !== $originalVariables) { foreach ($originalVariables->getKeyValuePairs() as $pair) { // Don't copy the original label attribute over if it exists if ((string) $labelKey !== (string) $pair['key']) { $variables->addElement($pair['value'], $pair['key']); } } } // Insert the label argument into the array $variables->addElement($label, $labelKey); } } else { // The label argument is not a constant, but some kind of // expression. This expression needs to be evaluated at runtime. // Depending on the result (whether it is null or not), the // label in the arguments should take precedence over the label // in the attributes or not. $labelIsExpression = true; } } else { // All other functions than "label" expect the variables // in the second argument $label = null; $variables = $arguments[1]; $labelIsExpression = false; } if (null !== $variables \|\| $labelIsExpression) { $compiler->raw(', '); if (null !== $variables) { $compiler->subcompile($variables); } if ($labelIsExpression) { if (null !== $variables) { $compiler->raw(' + '); } // Check at runtime whether the label is empty. // If not, add it to the array at runtime. $compiler->raw('(twig_test_empty($_label_ = '); $compiler->subcompile($label); $compiler->raw(') ? array() : array("label" => $_label_))'); } } } } $compiler->raw(")"); } }