From 4f5b44bd3bd490309eb2ba7b44df4769816ba729 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20L=C5=93uillet?= <nicolas.loeuillet@gmail.com>
Date: Sat, 3 Aug 2013 19:26:54 +0200
Subject: twig implementation

---
 .../Bridge/Twig/Node/SearchAndRenderBlockNode.php  | 106 +++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 vendor/symfony/twig-bridge/Symfony/Bridge/Twig/Node/SearchAndRenderBlockNode.php

(limited to 'vendor/symfony/twig-bridge/Symfony/Bridge/Twig/Node/SearchAndRenderBlockNode.php')

diff --git a/vendor/symfony/twig-bridge/Symfony/Bridge/Twig/Node/SearchAndRenderBlockNode.php b/vendor/symfony/twig-bridge/Symfony/Bridge/Twig/Node/SearchAndRenderBlockNode.php
new file mode 100644
index 00000000..630e2638
--- /dev/null
+++ b/vendor/symfony/twig-bridge/Symfony/Bridge/Twig/Node/SearchAndRenderBlockNode.php
@@ -0,0 +1,106 @@
+<?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(")");
+    }
+}
-- 
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