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lib/sass/haml/tree/HamlHelperNode.php

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+<?php
+/* SVN FILE: $Id: HamlHelperNode.php 117 2010-09-21 09:41:58Z chris.l.yates@gmail.com $ */
+/**
+ * HamlHelperNode class file.
+ * @author			Chris Yates <chris.l.yates@gmail.com>
+ * @copyright 	Copyright (c) 2010 PBM Web Development
+ * @license			http://phamlp.googlecode.com/files/license.txt
+ * @package			PHamlP
+ * @subpackage	Haml.tree
+ */
+
+/**
+ * HamlHelperNode class.
+ * Represent a helper in the Haml source.
+ * The helper is run on the output from child nodes when the node is rendered.
+ * @package			PHamlP
+ * @subpackage	Haml.tree
+ */
+class HamlHelperNode extends HamlNode {
+	const MATCH = '/(.*?)(\w+)\((.+?)\)(?:\s+(.*))?$/';
+	const PRE = 1;
+	const NAME = 2;
+	const ARGS = 3;
+	const BLOCK = 4;
+	
+	/**
+	 * @var string the helper class name
+	 */
+	private $class;
+	/**
+	 * @var string helper method name
+	 */
+	private $pre;
+	/**
+	 * @var string helper method name
+	 */
+	private $name;
+	/**
+	 * @var string helper method arguments
+	 */
+	private $args;
+
+	/**
+	 * HamlFilterNode constructor.
+	 * Sets the filter.
+	 * @param string helper class.
+	 * @param string helper call.
+	 * @return HamlHelperNode
+	 */
+	public function __construct($class, $pre, $name, $args, $parent) {
+	  $this->class = $class;
+	  $this->pre = $pre;
+	  $this->name = $name;
+	  $this->args = $args;
+	  $this->parent = $parent;
+	  $this->root = $parent->root;
+	  $parent->children[] = $this;
+	}
+
+	/**
+	* Render this node.
+	* The filter is run on the content of child nodes before being returned.
+	* @return string the rendered node
+	*/
+	public function render() {
+		$children = '';
+		foreach ($this->children as $child) {
+			$children .= trim($child->render());
+		} // foreach
+		$output = '<?php '.(empty($this->pre) ? 'echo' : $this->pre)." {$this->class}::{$this->name}('$children',{$this->args}); ?>";
+		return $this->debug($output);
+	}
+}