Add new directory structure. Tags will contain current and past releases, and stable will contain any bug fixes to the current stable release so users won't have to get the potentially broken trunk build to fix a screwup in stable.

Trunk updated to 0.9

git-svn-id: http://kusabax.cultnet.net/svn/repo/stable@176 73d99b7e-4f53-4972-b7b7-2ecd3c4d89ee

lib/dwoo/plugins/builtin/functions/extends.php

@@ -0,0 +1,126 @@
+<?php
+
+/**
+ * Extends another template, read more about template inheritance at {@link http://wiki.dwoo.org/index.php/TemplateInheritance}
+ * <pre>
+ * * file : the template to extend
+ * </pre>
+ * This software is provided 'as-is', without any express or implied warranty.
+ * In no event will the authors be held liable for any damages arising from the use of this software.
+ *
+ * @author	Jordi Boggiano <j.boggiano@seld.be>
+ * @copyright Copyright (c) 2008, Jordi Boggiano
+ * @license	http://dwoo.org/LICENSE Modified BSD License
+ * @link	http://dwoo.org/
+ * @version	1.0.0
+ * @date	2008-10-23
+ * @package	Dwoo
+ */
+class Dwoo_Plugin_extends extends Dwoo_Plugin implements Dwoo_ICompilable
+{
+	protected static $childSource;
+	protected static $l;
+	protected static $r;
+	protected static $lastReplacement;
+
+	public static function compile(Dwoo_Compiler $compiler, $file)
+	{
+		list($l, $r) = $compiler->getDelimiters();
+		self::$l = preg_quote($l,'/');
+		self::$r = preg_quote($r,'/');
+
+		if ($compiler->getLooseOpeningHandling()) {
+			self::$l .= '\s*';
+			self::$r = '\s*'.self::$r;
+		}
+		$inheritanceTree = array(array('source'=>$compiler->getTemplateSource()));
+		$curPath = dirname($compiler->getDwoo()->getTemplate()->getResourceIdentifier()) . DIRECTORY_SEPARATOR;
+		$curTpl = $compiler->getDwoo()->getTemplate();
+
+		while (!empty($file)) {
+			if ($file === '""' || $file === "''" || (substr($file, 0, 1) !== '"' && substr($file, 0, 1) !== '\'')) {
+				throw new Dwoo_Compilation_Exception($compiler, 'Extends : The file name must be a non-empty string');
+				return;
+			}
+
+			if (preg_match('#^["\']([a-z]{2,}):(.*?)["\']$#i', $file, $m)) {
+				// resource:identifier given, extract them
+				$resource = $m[1];
+				$identifier = $m[2];
+			} else {
+				// get the current template's resource
+				$resource = $curTpl->getResourceName();
+				$identifier = substr($file, 1, -1);
+			}
+
+			try {
+				$parent = $compiler->getDwoo()->templateFactory($resource, $identifier, null, null, null, $curTpl);
+			} catch (Dwoo_Security_Exception $e) {
+				throw new Dwoo_Compilation_Exception($compiler, 'Extends : Security restriction : '.$e->getMessage());
+			} catch (Dwoo_Exception $e) {
+				throw new Dwoo_Compilation_Exception($compiler, 'Extends : '.$e->getMessage());
+			}
+
+			if ($parent === null) {
+				throw new Dwoo_Compilation_Exception($compiler, 'Extends : Resource "'.$resource.':'.$identifier.'" not found.');
+			} elseif ($parent === false) {
+				throw new Dwoo_Compilation_Exception($compiler, 'Extends : Resource "'.$resource.'" does not support extends.');
+			}
+
+			$curTpl = $parent;
+			$newParent = array('source'=>$parent->getSource(), 'resource'=>$resource, 'identifier'=>$parent->getResourceIdentifier(), 'uid'=>$parent->getUid());
+			if (array_search($newParent, $inheritanceTree, true) !== false) {
+				throw new Dwoo_Compilation_Exception($compiler, 'Extends : Recursive template inheritance detected');
+			}
+
+			$inheritanceTree[] = $newParent;
+
+			if (preg_match('/^'.self::$l.'extends\s+(?:file=)?\s*(\S+?|(["\']).+?\2)'.self::$r.'/i', $parent->getSource(), $match)) {
+				$curPath = dirname($identifier) . DIRECTORY_SEPARATOR;
+				$file = (substr($match[1], 0, 1) !== '"' && substr($match[1], 0, 1) !== '"') ? '"'.str_replace('"', '\\"', $match[1]).'"' : $match[1];
+			} else {
+				$file = false;
+			}
+		}
+
+		while (true) {
+			$parent = array_pop($inheritanceTree);
+			$child = end($inheritanceTree);
+			self::$childSource = $child['source'];
+			self::$lastReplacement = count($inheritanceTree) === 1;
+			if (!isset($newSource)) {
+				$newSource = $parent['source'];
+			}
+			$newSource = preg_replace_callback('/'.self::$l.'block (["\']?)(.+?)\1'.self::$r.'(?:\r?\n?)(.*?)(?:\r?\n?)'.self::$l.'\/block'.self::$r.'/is', array('Dwoo_Plugin_extends', 'replaceBlock'), $newSource);
+
+			$newSource = $l.'do extendsCheck("'.$parent['resource'].':'.$parent['identifier'].'" "'.str_replace('"', '\\"', $parent['uid']).'")'.$r.$newSource;
+
+			if (self::$lastReplacement) {
+				break;
+			}
+		}
+
+		$compiler->setTemplateSource($newSource);
+		$compiler->setPointer(0);
+	}
+
+	protected static function replaceBlock(array $matches)
+	{
+		if (preg_match('/'.self::$l.'block (["\']?)'.preg_quote($matches[2],'/').'\1'.self::$r.'(?:\r?\n?)(.*?)(?:\r?\n?)'.self::$l.'\/block'.self::$r.'/is', self::$childSource, $override)) {
+			$l = stripslashes(self::$l);
+			$r = stripslashes(self::$r);
+
+			if (self::$lastReplacement) {
+				return preg_replace('/'.self::$l.'\$dwoo\.parent'.self::$r.'/is', $matches[3], $override[2]);
+			} else {
+				return $l.'block '.$matches[1].$matches[2].$matches[1].$r.preg_replace('/'.self::$l.'\$dwoo\.parent'.self::$r.'/is', $matches[3], $override[2]).$l.'/block'.$r;
+			}
+		} else {
+			if (self::$lastReplacement) {
+				return $matches[3];
+			} else {
+				return $matches[0];
+			}
+		}
+	}
+}