Twig-1.3.0/lib/Twig/Node/Macro.php
changeset 4 9a001a04b634
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Twig-1.3.0/lib/Twig/Node/Macro.php	Tue Oct 25 23:56:28 2011 +0200
@@ -0,0 +1,83 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2009 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a macro node.
+ *
+ * @package    twig
+ * @author     Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Macro extends Twig_Node
+{
+    public function __construct($name, Twig_NodeInterface $body, Twig_NodeInterface $arguments, $lineno, $tag = null)
+    {
+        parent::__construct(array('body' => $body, 'arguments' => $arguments), array('name' => $name), $lineno, $tag);
+    }
+
+    /**
+     * Compiles the node to PHP.
+     *
+     * @param Twig_Compiler A Twig_Compiler instance
+     */
+    public function compile(Twig_Compiler $compiler)
+    {
+        $arguments = array();
+        foreach ($this->getNode('arguments') as $argument) {
+            $arguments[] = '$'.$argument->getAttribute('name').' = null';
+        }
+
+        $compiler
+            ->addDebugInfo($this)
+            ->write(sprintf("public function get%s(%s)\n", $this->getAttribute('name'), implode(', ', $arguments)), "{\n")
+            ->indent()
+        ;
+
+        if (!count($this->getNode('arguments'))) {
+            $compiler->write("\$context = \$this->env->getGlobals();\n\n");
+        } else {
+            $compiler
+                ->write("\$context = array_merge(\$this->env->getGlobals(), array(\n")
+                ->indent()
+            ;
+
+            foreach ($this->getNode('arguments') as $argument) {
+                $compiler
+                    ->write('')
+                    ->string($argument->getAttribute('name'))
+                    ->raw(' => $'.$argument->getAttribute('name'))
+                    ->raw(",\n")
+                ;
+            }
+
+            $compiler
+                ->outdent()
+                ->write("));\n\n")
+            ;
+        }
+
+        $compiler
+            ->write("ob_start();\n")
+            ->write("try {\n")
+            ->indent()
+            ->subcompile($this->getNode('body'))
+            ->outdent()
+            ->write("} catch(Exception \$e) {\n")
+            ->indent()
+            ->write("ob_end_clean();\n\n")
+            ->write("throw \$e;\n")
+            ->outdent()
+            ->write("}\n\n")
+            ->write("return ob_get_clean();\n")
+            ->outdent()
+            ->write("}\n\n")
+        ;
+    }
+}