pagecompiler._wc | searchcode

/openconstructor/lib/site/pagecompiler._wc

http://openconstructor.googlecode.com/
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Possible License(s): GPL-2.0

<?php

/**

 * Copyright 2003 - 2007 eSector Solutions, LLC

 *

 * All rights reserved.

 *

 * This file is part of Open Constructor (http://www.openconstructor.org/).

 *

 * Open Constructor is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License version 2

 * as published by the Free Software Foundation.

 *

 * Open Constructor is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * The GNU General Public License can be found at

 * http://www.gnu.org/copyleft/gpl.html

 *

 * @author Sanjar Akhmedov

 *

 * $Id: pagecompiler._wc,v 1.44 2007/03/10 20:31:18 sanjar Exp $

 */

define('PAGE_LOCATION_EMPTY', 0);

define('PAGE_LOCATION_EXT', 1);

define('PAGE_LOCATION_INT', 2);

define('PAGE_LOCATION_ROUTE', 3);



class PageCompiler {

	var $reader, $tree;



	function PageCompiler() {

		$this->reader = & new PageReader();

	}



	function &compile(&$page) {

		$result = null;

		$location = $this->_parsePageLocation($page);

		switch($location['type']) {

			case PAGE_LOCATION_EMPTY:

				if(!$page->router) {

					$result = &$this->compilePlainPage($page, $location['query']);

					$result[$page->uri.'index._wc'] = null;

				} else

					$result = &$this->compileRoutedPage($page, $page->uri, $page->name);

			break;

			case PAGE_LOCATION_EXT:

				$result = &$this->compileRedirectPage($page, $location['page']);

				$result[$page->uri.'index._wc'] = null;

			break;

			case PAGE_LOCATION_INT:

				$result = &$this->compileLinkedPage($page, $location['page'], $location['query']);

				$result[$page->uri.'index._wc'] = null;

			break;

			case PAGE_LOCATION_ROUTE:

				$result = &$this->compileRoutedPage($page, $location['page'], $location['name'], $location['param'], $location['query']);

			break;

		}

		return $result;

	}



	function generateSitemap() {

		require_once(LIBDIR.'/tree/export/sitemapview._wc');

		$tree = &$this->_getSiteTree(true);

		return "<?php\n".

			PageCompiler::_getWcSign('').

			"\n".

			$tree->export(new TreeSiteMapView()).

			"?>";

	}



	function &compilePlainPage(&$page, $query = '') {

		$result = null;

		$content = "<?php\n".

			PageCompiler::_getWcSign().

			"\n".

			PageCompiler::_getQueryDef($query).

			$this->_getCommonPart($page).

			"\n".

			$this->_getAuthenticatingPart($page).

			"\n".

			PageCompiler::_getPageBuildingPart($page).

			"\n".

			PageCompiler::_getOutputPart($page).

			"?>";

		$result = array($page->uri.'index.php' => $content);

		return $result;

	}



	function &compileRedirectPage(&$page, $href) {

		$result = null;

		$content = "<?php\n".

			PageCompiler::_getWcSign().

			"\n".

			sprintf("\theader('Location: %s');\n", $href{0} == '/' ? "http://'.\$_SERVER['HTTP_HOST'].'".addslashes($href) : addslashes($href)).

			"\tdie();\n".

			"?>";

		$result = array($page->uri.'index.php' => $content);

		return $result;

	}



	function &compileLinkedPage(&$page, $link, $query = '') {

		$result = null;

		$content = "<?php\n".

			PageCompiler::_getWcSign().

			"\n".

			PageCompiler::_getRecurseCheck($page).

			"\n".

			PageCompiler::_getQueryDef($query).

			"\tinclude(\$_SERVER['DOCUMENT_ROOT'].'$link');\n".

			"\tdie();\n".

			"?>";

		$result = array($page->uri.'index.php' => $content);

		return $result;

	}



	function &compileRoutedPage(&$page, $route, $name, $pathInfo = '/', $query = '') {

		$result = null;

		if($page->uri == $route || $page->router) {

			$result = &$this->compilePlainPage($page, $query);

			$result[$page->uri.'index._wc'] = $result[$page->uri.'index.php'];

		} else

			$result = array($page->uri.'index._wc' => null);

		$routerContent = "<?php\n".

			PageCompiler::_getWcSign().

			"\n".

			PageCompiler::_getRecurseCheck($page).

			"\n".

			($page->uri != $route ? PageCompiler::_getQueryDef($query) : '').

			"\trequire_once(\$_SERVER['DOCUMENT_ROOT'].'".WCHOME."/lib/router._wc');\n";

		if($page->uri == $route)

			$routerContent .= sprintf(

				"\t\$info = isset(\$_SERVER['PATH_INFO']) ? \$_SERVER['PATH_INFO'] : '%s';\n", addslashes($pathInfo)

			);

		else

			$routerContent .= sprintf(

				"\t\$info = '%s';\n", addslashes($pathInfo)

			);

		$routerContent .=

			"\t\$router = & new Router('$route', '$name', \$info);\n";

		if($route != $page->uri) {

			$tree = &$this->_getSiteTree();

			$router = $tree->getPageByUri($route);

			$routerContent .= sprintf(

				"\t@include(\$_SERVER['DOCUMENT_ROOT'].'$route'.(\$router->target ? \$router->target.'/index.php' : 'index.%s'));\n"

				, $this->reader->getPageRouter($router->id) == $router->id ? '_wc' : 'php'

			);

		} else {

			$routerContent .=

				"\t@include(\$_SERVER['DOCUMENT_ROOT'].'$route'.(\$router->target ? \$router->target.'/index.php' : 'index._wc'));\n";

		}

		$routerContent .=

			"\tinclude(\$_SERVER['DOCUMENT_ROOT'].'".WCHOME."/404.php');\n".

			"\tdie();\n".

			"?>";

		$result[$page->uri.'index.php'] = $routerContent;

		return $result;

	}



	function _getQueryDef($queryString, $indent = "\t") {

		$result = '';

		if($queryString) {

			$query = array();

			parse_str($queryString, $query);

			foreach($query as $k => $v)

				if($k{0} == '!' && strlen($k) > 1) {

					$result .= sprintf(

						"{$indent}\$_GET['%1\$s'] = '%2\$s';\n"

						, addslashes(substr($k, 1)), addslashes($v)

					);

				} else {

					$result .= sprintf(

						"{$indent}if(!isset(\$_GET['%1\$s']))\n{$indent}\t\$_GET['%1\$s'] = '%2\$s';\n"

						, addslashes($k), addslashes($v)

					);

				}

		}

		return $result;

	}



	function _getCommonPart(&$page, $i = "\t") {

		static $files;

		$result = '';

		if(!is_array($files)) {

			$files = array(

				"\$_SERVER['DOCUMENT_ROOT'].'/openconstructor/lib/commons._wc'",

				"LIBDIR.'/context._wc'",

				"LIBDIR.'/security/siteauthentication._wc'",

				"LIBDIR.'/site/webpage._wc'",

				"LIBDIR.'/site/sitemap._wc'",

			);

		}

		$router = $this->reader->getPageRouter($page);

		if($router)// && $router != $page->id)

			$result .=

				$i."if(!isset(\$router)) {\n".

				$i."	@include(\$_SERVER['DOCUMENT_ROOT'].'{$GLOBALS['_wchome']}/404.php');\n".

				$i."	die();\n".

				$i."}\n\n";

		$result .=

			$i."require_once(".implode(");\n{$i}require_once(", $files).");\n".

			"\n".

			$i."\$ctx = &Context::getInstance();\n";

		if($router) {

			$result .= $i."\$ctx->router = &\$router;\n";

		} else {

			$result .=

				$i."if(isset(\$router))\n".

				$i."	\$ctx->router = &\$router;\n";

		}

		$phpcallback = array();

		$objects = &$page->getObjects();

		foreach($objects as $id => $obj)

			if($obj['observer'] && $obj['type'] == 'phpcallback' && $obj['block'] != '')

				$phpcallback[] = sprintf("\$ctx->_attachEventListener('%s', %s);", $obj['block'], PageCompiler::_getCreateObserverStatement($id));

		if(sizeof($phpcallback))

			$result .=

				"\n".

				$i."require_once(LIBDIR.'/wcobject._wc');\n".

				$i."require_once(LIBDIR.'".PageCompiler::_getClassFile('phpcallback')."');\n".

				$i.implode("\n$i", $phpcallback)."\n".

				"\n";

		$result .=

			$i."\$ctx->_fireEvent('onInitialize');\n".

			$i."_register_phase('Initializing');\n".

			"\n".

			$i."require_once(ROOT.FILES.'/map._wc');\n".

			$i."\$ctx->map = &\$map;\n".

			$i.sprintf("\$page = &\$map->_newPage($page->id, '%s');\n", PageCompiler::_escapeSingleQuotes($this->_getPageTitle($page))).

			$i."\$ctx->page = &\$page;\n".

			$i."\$ctx->_fireEvent('onLoadSitemap');\n".

			$i."_register_phase('Loading sitemap');\n";

		return $result;

	}



	function _getAuthenticatingPart(&$page, $i = "\t") {

		$profiles = $this->_getPageProfileProps($page);

		$result =

			$i."if(\$page->isSecure()) {\n".

			$i."	session_start();\n".

			$i."	require_once(LIBDIR.'/security/resource._wc');\n".

			$i."	require_once(LIBDIR.'/security/wcs._wc');\n".

			$i."	Authentication::importFromSession();\n".

			$i."	\$page->authenticationPage = _getAuthenticationPage();\n".

			$i."	\$page->sRes = & new WCSResource(&\$page->uri, WCS_ROOT_ID, 0);\n";

		$tree = &$this->_getSiteTree();

		$node = &$tree->node[$page->id];

		$authCheck = array();

		while(($node = &$node->parent) != null)

			$authCheck[] =

				$i."	\$page->sRes->setGroup(\$map->id[$node->id]['usr']);\t// ".$node->getFullKey('/')."\n".

				$i."	WCS::requireAuthentication(&\$page);\n";

		$authCheck[] =

				$i."	\$ctx->_fireEventArgs('onBeforeAuth', \$args = array('page' => &\$page));	unset(\$args);\n";

		$result .= implode('', array_reverse($authCheck)).

			$i."	\$page->sRes->setGroup(\$map->id[$page->id]['usr']);\t// $page->uri\n".

			$i."	WCS::requireAuthentication(&\$page);\n".

			$i."	_register_phase('Authenticating user');\n".

			$i."	\$auth = &SiteAuthentication::createFrom(Authentication::getInstance());\n".

			$i."} elseif(isset(\$_COOKIE[session_name()])) {\n".

			$i."	session_start();\n".

			$i."	\$auth = &SiteAuthentication::createFromSession();\n".

			$i."} else {\n".

			$i."	\$auth = new SiteAuthentication();\n".

			$i."}\n";

		if($profiles['load'] > 0)

			$result .=

				$i.sprintf("\$auth->_loadProfile(%d, %s);\n", $profiles['load'], $profiles['dynamic'] ? 'true' : 'false');

		$result .=

			$i."\$ctx->_setAuthentication(\$auth);	unset(\$auth);\n";

		return $result;

	}



	function _getPageBuildingPart(&$page, $i = "\t") {

		$result =

			$i."define('WCI_ENABLED', WCI_ALLOWED && \$ctx->auth->isWciEditor());\n".

			"\n".

			$i."require_once(LIBDIR.'/smarty/wcsmarty._wc');\n".

			$i."\$smarty = & new WCSmarty();\n".

			$i."\$smarty->_ctx = &\$ctx;\n".

			$i."\$ctx->_smarty = &\$smarty;\n".

			$i."\$ctx->_fireEvent('onCreateSmarty');\n".

			$i."_register_phase('Creating Smarty instance');\n".

			"\n".

			$i.sprintf("\$page->setTemplate('%s.tpl');\n", $page->tpl > 0 ? $page->tpl : "file:'.LIBDIR.'/tpl/page");

		if($page->caching) {

			$cid = PageCompiler::_compileCacheVary($page->cacheVary);

			$result .=

				$i."\$smarty->caching = !WCI_ENABLED && WC_PAGE_CACHING ? 2 : 0;\n".

				$i.sprintf("\$smarty->cache_lifetime = %d;\n", $page->cacheLife ? $page->cacheLife : -1).

				$i.sprintf("\$page->_cacheGz = \$smarty->caching && WC_PAGE_CACHE_GZ && %s && !headers_sent() && (strpos(@\$_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== false);\n", $page->cacheGz ? 'true' : 'false');

			if($cid)

				$result .= $i."if(\$ctx->router) \$r = &\$ctx->router->param; else \$r = array();\n";

			$result .=

				$i.sprintf("\$page->_setUID(\"{\$page->id}%s\n", $cid ? "|\".sprintf('%x', crc32($cid)));" : '");').

				$i.sprintf("\$page->_cacheId = \"p\".\$page->_uid.(\$page->_cacheGz ? '%1\$sgz' : '');\n", $cid ? '-' : '|');

			if($cid)

				$result .= $i."unset(\$r);\n";

			$result .=

				$i."\$_isCached = false;\n".

				$i."if(!\$smarty->caching || !(\$_isCached = \$smarty->is_cached(\$page->tpl, \$page->_cacheId))) {\n".

				PageCompiler::_getPageBuildingCore($page, strlen($i) ? $i.$i{0} : "\t").

				$i."} elseif(\$_isCached) {\n".

				$i."	\$page->_eTag = '\"'.\$page->id.sprintf('-%x-%d', crc32(\$page->_uid), \$smarty->_cache_info['timestamp']).'\"';\n".

				$i."	if(@\$_SERVER['HTTP_IF_NONE_MATCH'] == \$page->_eTag)\n".

				$i."		\$page->status = 304;\n".

				$i."}\n";

		} else {

			$result .=

				$i."\$smarty->caching = 0;\n".

				"\n".

				PageCompiler::_getPageBuildingCore($page, $i);

		}

		return $result;

	}



	function _getPageBuildingCore(&$page, $i = "\t") {

		static $robots;

		if(!is_array($robots))

			$robots = array(

				ROBOTS_I_F => 'INDEX,FOLLOW',

				ROBOTS_I_NOF => 'INDEX,NOFOLLOW',

				ROBOTS_NOI_F => 'NOINDEX,FOLLOW',

				ROBOTS_NOI_NOF => 'NOINDEX,NOFOLLOW'

			);

		$result = '';

		$contentType = $this->reader->getPageContentType($page);

		$links = $this->reader->getPageLinks($page->id);

		if(sizeof($links)) {

			$tree = &$this->_getSiteTree();

			foreach($links as $id)

				$linkUris[] = $tree->node[$id]->getFullKey('/');

			$result .= sprintf($i."\$page->links = array(%s); // %s\n", implode(', ', $links), implode(', ', $linkUris));

			unset($linkUris);

		}

		$result .=

			$i."require_once(LIBDIR.'/site/pagecrumbs._wc');\n".

			$i."\$ctx->crumbs = &Crumbs::getInstance();\n".

			"\n".

			$i."\$page->robots = '{$robots[$page->robots]}';\n".

			$i.sprintf("\$page->keywords = '%s';\n", @htmlspecialchars($page->meta['keywords'], ENT_QUOTES, 'UTF-8')).

			$i.sprintf("\$page->description = '%s';\n", @htmlspecialchars($page->meta['description'], ENT_QUOTES, 'UTF-8')).

			$i."\$page->generator = 'Open Constructor '.(WC_MODE_DEBUG ? WC_VERSION_FULL : WC_VERSION);\n";

		if(sizeof($page->css) > 1)

			$result .= $i.sprintf("\$page->setStyleSheet(array(FILES.'/css/%s'));\n", implode("', FILES.'/css/", $page->css));

		else

			$result .= $i.sprintf("\$page->setStyleSheet(%s);\n", sizeof($page->css) ? "FILES.'/css/{$page->css[0]}'" : "''");

		foreach(PageCompiler::_getFavicons() as $icon)

			$result .= $i.sprintf("\$page->addFavicon('%s', '%s'%s);\n", $icon[0], $icon[1], isset($icon[2]) ? ", '{$icon[2]}'" : '');

		$result .=

			$i.sprintf("\$page->setContentType('%s');\n", $contentType).

			$i.sprintf("\$page->_caching = \$smarty->caching && %s;\n", $page->caching ? 'true' : 'false').

			"\n";

		$includes = array();

		$objects = &$page->getObjects();

		foreach($objects as $id => $obj)

			if($obj['block'] != '' && ($filename = PageCompiler::_getClassFile($obj['type'])) != null)

				$includes[$filename] = "require_once(LIBDIR.'$filename');";

		if(sizeof($includes)) {

			$result .=

				$i."require_once(LIBDIR.'/wcobject._wc');\n".

				$i.implode("\n$i", $includes)."\n".

				"\n".

				$i."\$objects = &\$page->_getObjects();\n".

				$i."\$ctx->_fireEventArgs('onLoadObjects', \$args = array('objects' => &\$objects));	unset(\$args, \$objects);\n".

				$i."\$ctx->_registerObjects(\$page->_getObjects());\n".

				$i."_register_phase('Loading objects');\n".

				$i."\$ctx->_fireEvent('onLoadBlocks');\n".

				$i."_register_phase('Registering objects');\n".

				"\n".

				$i."\$ctx->_buildCrumbs();\n".

				$i."_register_phase('Building crumbs');\n".

				"\n";

		}

		$result .=

			$i."\$smarty->assign_by_ref('ctx', \$ctx);\n".

			$i."\$smarty->assign_by_ref('page', \$ctx->page);\n".

			$i."\$smarty->assign_by_ref('map', \$ctx->map);\n".

			$i."\$smarty->assign_by_ref('idMap', \$ctx->map->id);\n".

			$i."\$smarty->assign_by_ref('uriMap', \$ctx->map->uri);\n".

			$i."\$ctx->_fireEvent('onSmartyAssign');\n";

		if(sizeof($objects)) {

			$pre = array();

			foreach($objects as $id => $obj)

				if($obj['block'] == 'PRE' && ($obj['type'] == 'phpinclude' || $obj['type'] == 'phpcallback'))

					$pre[] = "\$ctx->objects[$id]->run();";

			if(sizeof($pre))

				$result .= $i.implode("\n$i", $pre)."\n\n";

		}

		return $result;

	}



	function _getOutputPart(&$page, $i = "\t") {

		$result = '';

		$result .=

			$i."if(\$page->status == 404 || \$page->status == 304) {\n".

			$i."	\$content = null;\n".

			$i."} else {\n".

			$i."	if(\$page->_caching && \$page->_cacheGz)\n".

			$i."		\$smarty->register_outputfilter('smarty_outputfilter_gzip');\n".

			$i."	\$content = \$smarty->fetch(\$page->tpl, \$page->_cacheId);\n".

			$i."}\n".

			$i."_register_phase('Fetching content');\n".

			"\n".

			$i."switch(\$page->status) {\n".

			$i."	case 404:\n".

			$i."		if(!WCI_ENABLED && WC_PAGE_CACHING && \$smarty->caching)\n".

			$i."			\$smarty->clear_cache(null, \$page->_cacheId);\n".

			$i."		unset(\$content, \$smarty, \$page, \$map, \$__report);\n".

			$i."		if(defined('WC_STATUS_404')) {\n".

			$i."			@include(\$_SERVER['DOCUMENT_ROOT'].WCHOME.'/404.php');\n".

			$i."		} else\n".

			$i."			header('Location: http://'.\$_SERVER['HTTP_HOST'].WCHOME.'/404.php?from='.urlencode(\$_SERVER['REQUEST_URI']));\n".

			$i."		die();\n".

			$i."	break;\n".

			$i."	case 304:\n".

			$i."		header('HTTP/1.1 304 Not Modified');\n".

			$i."		header('Cache-control: public, must-revalidate');\n".

			$i."	break;\n".

			$i."	default:\n".

			$i."		\$printReport = \$page->isCommentable() && !\$page->_cacheGz && (WC_MODE_DEBUG || \$ctx->auth->groupId == WCS_ADMINS_ID);\n".

			$i."		\$bufferSize = sendOutput(\$content, !\$printReport);\n".

			$i."		_register_phase('Sending output [ '.number_format(strlen(\$content)).' bytes, buffer = '.number_format(\$bufferSize).' bytes ]');\n".

			$i."		if(\$printReport)\n".

			$i."			print_report();\n".

			$i."		unset(\$content, \$smarty, \$ctx, \$map, \$page, \$__report);\n".

			$i."}\n".

			$i."die();\n";

		return $result;

	}



	function _getCreateObserverStatement($objId) {

		require_once(LIBDIR.'/objmanager._wc');

		$result = 'null';

		$obj = ObjManager::load($objId);

		if($obj)

			switch($obj->obj_type) {

				case 'phpcallback':

					$srcId = file_exists(ROOT.FILES.$obj->sourcePath.intval($obj->source).'._wc') ? $obj->source : 0;

					$result = sprintf("PHPCallback::_newCallback(%d, '%s')", $srcId, addslashes($obj->name));

				break;

			}

		return $result;

	}



	function _getPageTitle(&$page) {

		$result = array($page->cTitle);

		if($page->addTitle) {

			$db = &WCDB::bo();

			$res = $db->query(

				"SELECT p.addtitle, p.ctitle".

				" FROM {$this->reader->treeTable} t1, {$this->reader->treeTable} t2, {$this->reader->pagesTable} p".

				" WHERE t1.id = {$page->id} AND t2.num < t1.num AND (t2.next = 0 OR t2.next > t1.num) AND t2.id = p.id".

				" ORDER BY t2.num DESC"

			);

			if(mysql_num_rows($res) > 0) {

				$at = true;

				while($at && ($r = mysql_fetch_assoc($res))) {

					$result[] = $r['ctitle'];

					$at = $r['addtitle'] > 0;

				}

			}

			mysql_free_result($res);

			$result = array_reverse($result);

		}

		return implode('.', $result);

	}



	function _getPageProfileProps(&$page) {

		$result = array('load' => $page->profilesLoad, 'dynamic' => $page->profilesDynamic);

		if($page->profilesInherit) {

			$db = &WCDB::bo();

			$res = $db->query(

				"SELECT p.profilesload, p.profilesdynamic".

				" FROM {$this->reader->treeTable} t1, {$this->reader->treeTable} t2, {$this->reader->pagesTable} p".

				" WHERE t1.id = {$page->id} AND t2.num < t1.num AND (t2.next = 0 OR t2.next > t1.num) AND t2.id = p.id AND (p.profilesinherit = 0 OR t2.num = 0)".

				" ORDER BY t2.num DESC".

				" LIMIT 1"

			);

			$r = mysql_fetch_row($res);

			mysql_free_result($res);

			$result['load'] = (int) @$r[0];

			$result['dynamic'] = @$r[1] > 0;

		}

		return $result;

	}



	function _parsePageLocation(&$page) {

		$result = array('type' => PAGE_LOCATION_EMPTY, 'query' => '');

		if(!empty($page->location)) {

			$result['type'] = PAGE_LOCATION_EXT;

			$result['page'] = $page->location;

			if($page->linkTo > 0) {

				$tree = &$this->_getSiteTree();

				$result['type'] = PAGE_LOCATION_INT;

				$result['page'] = $tree->node[$page->linkTo]->getFullKey('/').'index.php';

			} elseif($page->location{0} == '/') {

				$url = parse_url("http://{$_SERVER['HTTP_HOST']}{$page->location}");

				if(substr($url['path'], -10) == '/index.php' && empty($url['fragment'])) {

					$uri = substr($url['path'], 0, -9);

					$tree = &$this->_getSiteTree();

					if($tree->uriExists($uri)) {

						if($uri == $page->uri) {

							$result['type'] = PAGE_LOCATION_EMPTY;

							$result['page'] = '';

						} else {

							$result['type'] = PAGE_LOCATION_INT;

							$result['page'] = $uri.'index.php';

						}

						$result['query'] = @$url['query'];

					}

				} elseif(($p = utf8_strpos($url['path'], '/index.php/')) !== false && empty($url['fragment'])) {

					$uri = utf8_substr($url['path'], 0, $p + 1);

					$tree = &$this->_getSiteTree();

					if($tree->uriExists($uri)) {

						$result['type'] = PAGE_LOCATION_ROUTE;

						$result['page'] = $uri;

						$route = $tree->getPageByUri($uri);

						$result['name'] = $route->key;

						$result['param'] = utf8_substr($url['path'], $p + 10); // 10 = strlen('/index.php/');

						$result['query'] = (string) @$url['query'];

						unset($route);

					}

				}

			}

		}

		return $result;

	}



	function &_getSiteTree($reload = false) {

		if($reload || !is_object($this->tree))

			$this->tree = &$this->reader->getTree();

		return $this->tree;

	}



	function _compileCacheVary($cacheVary) {

		$result = '';

		$params = array();

		$found = preg_match_all('/\{(ctx|get|route)\.([\-\.a-z0-9_]+)\}/ui', $cacheVary, $params);

		if($found) {

			foreach($params[1] as $i => $v)

				switch($v) {

					case 'ctx': $result[] = sprintf('$ctx->getParam(\'%s\')', $params[2][$i]); break;

					case 'get': $result[] = sprintf('@$_GET[\'%s\']', $params[2][$i]); break;

					case 'route': $result[] = sprintf('@$r[\'%s\']', $params[2][$i]); break;

				}

			$result = implode('.chr(255).', $result);

		}

		return $result;

	}



	function _getWcSign($indent = "\t") {

		static $sign;

		if(!is_array($sign)) {

			$auth = &Authentication::getOriginal();

			$sign = array(

				"// Generated by Open Constructor ".WC_VERSION_FULL." [{$auth->userLogin}]",

				'// '.date('D, j M Y H:i:s'),

				'',

				'// Do not edit this file. All changes that were made manually will be overwritten.'

			);

		}

		return $indent.implode("\n$indent", $sign)."\n";

	}



	function _escapeSingleQuotes($str) {

		return strtr($str, array('\'' => '\\\'', '\\' => '\\\\'));

	}



	function _getRecurseCheck(&$page, $i = "\t") {

		$uid = 'WCP_'.sprintf('%X', crc32($page->id));

		return

			$i."if(defined('$uid')) {\n".

			$i."	die(\"\\n<p>Recursive inclusion of $page->uri</p>\\n\");\n".

			$i."} else\n".

			$i."	define('$uid', 1);\n";

	}



	function &_getFavicons() {

		static $icons;

		if(!is_array($icons)) {

			$icons = array();

			if(@file_exists($_SERVER['DOCUMENT_ROOT'].'/favicon.ico'))

				$icons[] = array('/favicon.ico', 'shortcut icon', 'image/x-icon');

			if(@file_exists($_SERVER['DOCUMENT_ROOT'].'/favicon.gif'))

				$icons[] = array('/favicon.gif', 'icon', 'image/gif');

			if(@file_exists($_SERVER['DOCUMENT_ROOT'].'/favicon.png'))

				$icons[] = array('/favicon.png', 'icon', 'image/png');

		}

		return $icons;

	}



	function _getClassFile($class) {

		static $classes;

		if(!is_array($classes)) {

			$classes = array(

				'htmltextbody'=>'/htmltext/htmltextbody._wc',

				'htmltexthl'=>'/htmltext/htmltexthl._wc',

				'htmltexthlintro'=>'/htmltext/htmltexthlintro._wc',

				'publicationhl'=>'/publication/publicationhl._wc',

				'publicationhlintro'=>'/publication/publicationhlintro._wc',

				'publicationmainintro'=>'/publication/publicationmainintro._wc',

				'publicationbody'=>'/publication/publicationbody._wc',

				'publicationpager'=>'/publication/publicationpager._wc',

				'publicationlist'=>'/publication/publicationlist._wc',

				'publicationlistintro'=>'/publication/publicationlistintro._wc',

				'eventcalendar'=>'/event/eventcalendar._wc',

				'eventhl'=>'/event/eventhl._wc',

				'eventhlintro'=>'/event/eventhlintro._wc',

				'eventpager'=>'/event/eventpager._wc',

				'eventbody'=>'/event/eventbody._wc',

				'galleryhl'=>'/gallery/galleryhl._wc',

				'galleryimage'=>'/gallery/galleryimage._wc',

				'gallerypager'=>'/gallery/gallerypager._wc',

				'galleryimgpager'=>'/gallery/galleryimgpager._wc',

				'textrandom'=>'/textpool/textrandom._wc',

				'phpcallback'=>'/phpsource/phpcallback._wc',

				'phpinclude'=>'/phpsource/phpinclude._wc',

				'gballmessages'=>'/guestbook/gballmessages._wc',

				'gbaddmsglogic'=>'/guestbook/gbaddmsglogic._wc',

				'gblist'=>'/guestbook/gblist._wc',

				'gbmsgbody'=>'/guestbook/gbmsgbody._wc',

				'gbmsghl'=>'/guestbook/gbmsghl._wc',

				'gbpager'=>'/guestbook/gbpager._wc',

				'miscfetchtpl'=>'/miscellany/miscfetchtpl._wc',

				'misccrumbs'=>'/miscellany/misccrumbs._wc',

				'miscinjector'=>'/miscellany/miscinjector._wc',

				'miscsendmail'=>'/miscellany/miscsendmail._wc',

				'filehl'=>'/file/filehl._wc',

				'filepager'=>'/file/filepager._wc',

				'usersauthorize'=>'/users/usersauthorize._wc',

				'userslogout'=>'/users/userslogout._wc',

				'articlebody'=>'/article/articlebody._wc',

				'articlebodypager'=>'/article/articlebodypager._wc',

				'articlehl'=>'/article/articlehl._wc',

				'articlehlintro'=>'/article/articlehlintro._wc',

				'articlepager'=>'/article/articlepager._wc',

				'articlerelated'=>'/article/articlerelated._wc',

				'hybridtree'=>'/hybrid/view/hybridtree._wc',

				'hybridhl'=>'/hybrid/view/hybridhl._wc',

				'hybridbar'=>'/hybrid/view/hybridbar._wc',

				'hybridpager'=>'/hybrid/view/hybridpager._wc',

				'hybridbody'=>'/hybrid/view/hybridbody._wc',

				'hybridbodyedit'=>'/hybrid/view/hybridbodyedit._wc',

				'ratingrate'=>'/rating/ratingrate._wc',

				'ratingratelogic'=>'/rating/ratingratelogic._wc',

				'searchdss'=>'/search/searchdss._wc',

				'searchdsspager'=>'/search/searchdsspager._wc'

			);

		}

		return isset($classes[$class]) ? $classes[$class] : null;

	}

}

?>