/includes/template.php

<?php

/*
 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
 * Copyright (C) 2006-2009 Dan Fuhry
 *
 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
 *
 * This program 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 details.
 */
 
class template
{
	var $tpl_strings, $tpl_bool, $vars_assign_history, $theme, $style, $no_headers, $additional_headers, $sidebar_extra, $sidebar_widgets, $toolbar_menu, $theme_list, $named_theme_list, $default_theme, $default_style, $plugin_blocks, $plugin_blocks_content, $namespace_string, $style_list, $theme_loaded;
	
	var $theme_initted = false;
	var $page_initted = false;
	var $elements = false;
	var $page_id = false;
	var $namespace = false;
	var $js_preload = array();
	var $js_append = '';
	
	/**
 	* Page action conditions
 	* @var array
 	*/
	
	var $conds = array();
	
	/**
 	* The PageProcessor for the current page
 	* @var object
 	*/
	
	var $page = false;
	
	/**
 	* The list of themes that are critical for Enano operation. This doesn't include oxygen which
 	* remains a user theme. By default this is admin and printable which have to be loaded on demand.
 	* @var array
 	*/
	
	var $system_themes = array('admin', 'printable');
	
	/**
 	* Set to true if the site is disabled and thus a message needs to be shown. This should ONLY be changed by common.php.
 	* @var bool
 	* @access private
 	*/
	
	var $site_disabled = false;
	
	/**
 	* One of the absolute best parts of Enano :-P
 	* @var string
 	*/
	
	var $fading_button = '';
	
	/**
	* Context stack. You can save and restore the var set.
	* @var array
	*/

	var $context_stack = array('bool' => array(), 'str' => array(), 'history' => array());
	
	function __construct()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $cache;
		
		$this->tpl_bool    = Array();
		$this->tpl_strings = Array();
		$this->sidebar_extra = '';
		$this->toolbar_menu = '';
		$this->additional_headers = '';
		$this->plugin_blocks = Array();
		$this->plugin_blocks_content = array();
		$this->theme_loaded = false;
		
		$this->theme_list = Array();
		$this->named_theme_list = Array();
		
		$this->vars_assign_history = array(
				'strings' => array(),
				'bool' => array()
			);
		
		if ( defined('IN_ENANO_UPGRADE') )
		{
			return $this->construct_compat();
		}
		
		if ( !$this->theme_list = $cache->fetch('themes') )
		{
			$q = $db->sql_query('SELECT theme_id, theme_name, enabled, default_style, group_policy, group_list FROM ' . table_prefix . 'themes;');
			if ( !$q )
				$db->_die('template.php selecting theme list');
			
			$i = 0;
			while ( $row = $db->fetchrow() )
			{
				$this->theme_list[$i] = $row;
				$i++;
			}
			unset($theme);
			$this->theme_list = array_values($this->theme_list);
			$cache->store('themes', $this->theme_list, -1);
		}
		
		// Create associative array of themes
		foreach ( $this->theme_list as $i => &$theme )
			$this->named_theme_list[ $theme['theme_id'] ] =& $this->theme_list[$i];
		
		unset($theme);
		
		$this->default_theme = ( $_ = getConfig('theme_default') ) ? $_ : $this->theme_list[0]['theme_id'];
		$this->named_theme_list[ $this->default_theme ]['css'] = $this->get_theme_css_files($this->default_theme);
		// Come up with the default style. If the CSS file specified in default_style exists, we're good, just
		// use that. Otherwise, use the first stylesheet that comes to mind.
		$df_data =& $this->named_theme_list[ $this->default_theme ];
		$this->default_style = ( in_array($df_data['default_style'], $df_data['css']) ) ? $df_data['default_style'] : $df_data['css'][0];
	}
	
	/**
	* Save the current context and start a blank one.
	*/
	
	function context_push()
	{
		array_push($this->context_stack['str'], $this->tpl_strings);
		array_push($this->context_stack['bool'], $this->tpl_bool);
		array_push($this->context_stack['history'], $this->vars_assign_history);
	}
	
	function context_pop()
	{
		$this->tpl_strings = array_pop($this->context_stack['str']);
		$this->tpl_bool = array_pop($this->context_stack['bool']);
		$this->vars_assign_history = array_pop($this->context_stack['history']);
	}
	
	/**
 	* Gets the list of available CSS files (styles) for the specified theme.
 	* @param string Theme ID
 	* @return array
 	*/
	
	function get_theme_css_files($theme_id)
	{
		$css = array();
		$dir = ENANO_ROOT . "/themes/{$theme_id}/css";
		if ( $dh = @opendir($dir) )
		{
			while ( ( $file = @readdir($dh) ) !== false )
			{
				if ( preg_match('/\.css$/', $file) )
					$css[] = preg_replace('/\.css$/', '', $file);
			}
			closedir($dh);
		}
		// No CSS files? If so, nuke it.
		if ( count($css) < 1 )
		{
			unset($this->theme_list[$theme_id]);
		}
		return $css;
	}
	
	/**
 	* Failsafe constructor for upgrades.
 	*/
	
	function construct_compat()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		$this->tpl_bool    = Array();
		$this->tpl_strings = Array();
		$this->sidebar_extra = '';
		$this->toolbar_menu = '';
		$this->additional_headers = '';
		$this->plugin_blocks = Array();
		$this->theme_loaded = false;
		
		$this->fading_button = '<div style="background-image: url('.scriptPath.'/images/about-powered-enano-hover.png); background-repeat: no-repeat; width: 88px; height: 31px; margin: 0 auto 5px auto;">
															<a style="background-image: none; padding-right: 0;" href="http://enanocms.org/" onclick="window.open(this.href); return false;"><img style="border-width: 0;" alt=" " src="'.scriptPath.'/images/about-powered-enano.png" onmouseover="domOpacity(this, 100, 0, 500);" onmouseout="domOpacity(this, 0, 100, 500);" /></a>
														</div>';
		
		$this->theme_list = Array();
		$this->named_theme_list = Array();
		
		$q = $db->sql_query('SELECT theme_id, theme_name, enabled, default_style FROM ' . table_prefix . 'themes;');
		if ( !$q )
			$db->_die('template.php selecting theme list');
		
		$i = 0;
		while ( $row = $db->fetchrow() )
		{
			$this->theme_list[$i] = $row;
			$i++;
		}
		// List out all CSS files for this theme
		foreach ( $this->theme_list as $i => &$theme )
		{
			$theme['css'] = array();
			$dir = ENANO_ROOT . "/themes/{$theme['theme_id']}/css";
			if ( $dh = @opendir($dir) )
			{
				while ( ( $file = @readdir($dh) ) !== false )
				{
					if ( preg_match('/\.css$/', $file) )
						$theme['css'][] = preg_replace('/\.css$/', '', $file);
				}
				closedir($dh);
			}
			// No CSS files? If so, nuke it.
			if ( count($theme['css']) < 1 )
			{
				unset($this->theme_list[$i]);
			}
		}
		$this->theme_list = array_values($this->theme_list);
		// Create associative array of themes
		foreach ( $this->theme_list as $i => &$theme )
			$this->named_theme_list[ $theme['theme_id'] ] =& $this->theme_list[$i];
		
		$this->default_theme = ( $_ = getConfig('theme_default') ) ? $_ : $this->theme_list[0]['theme_id'];
		// Come up with the default style. If the CSS file specified in default_style exists, we're good, just
		// use that. Otherwise, use the first stylesheet that comes to mind.
		$df_data =& $this->named_theme_list[ $this->default_theme ];
		$this->default_style = ( in_array($df_data['default_style'], $df_data['css']) ) ? $df_data['default_style'] : $df_data['css'][0];
	}
	
	/**
 	* Systematically deletes themes from available list if they're blocked by theme security settings. Called when session->start() finishes.
 	*/
	
	function process_theme_acls()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		// generate the fading button - needs to be done after sessions are started
		$admintitle = ( $session->user_level >= USER_LEVEL_ADMIN && is_object(@$lang) ) ? ' title="' . $lang->get('sidebar_btn_enanopowered_admin_tip') . '"' : '';
		$this->fading_button = '<div style="background-image: url('.cdnPath.'/images/about-powered-enano-hover.png); background-repeat: no-repeat; width: 88px; height: 31px; margin: 0 auto 5px auto;">
															<a style="background-image: none; padding-right: 0;" href="http://enanocms.org/" onclick="window.open(this.href); return false;"' . $admintitle . '><img style="border-width: 0;" alt=" " src="'.cdnPath.'/images/about-powered-enano.png" onmouseover="domOpacity(this, 100, 0, 500);" onmouseout="domOpacity(this, 0, 100, 500);" /></a>
														</div>';
		
		// For each theme, check ACLs and delete from RAM if not authorized
		foreach ( $this->theme_list as $i => $theme )
		{
			if ( !@$theme['group_list'] )
				continue;
			if ( $theme['theme_id'] === getConfig('theme_default') )
				continue;
			switch ( $theme['group_policy'] )
			{
				case 'allow_all':
					// Unconditionally allowed
					continue;
					break;
				case 'whitelist':
					// If we're not on the list, off to the left please
					$list = enano_json_decode($theme['group_list']);
					$allowed = false;
					foreach ( $list as $acl )
					{
						if ( !preg_match('/^(u|g):([0-9]+)$/', $acl, $match) )
							// Invalid list entry, silently allow (maybe not a good idea but
							// really, these things are checked before they're inserted)
							continue 2;
						$mode = $match[1];
						$id = intval($match[2]);
						switch ( $mode )
						{
							case 'u':
								$allowed = ( $id == $session->user_id );
								if ( $allowed )
									break 2;
								break;
							case 'g':
								$allowed = ( isset($session->groups[$id]) );
								if ( $allowed )
									break 2;
						}
					}
					if ( !$allowed )
					{
						unset($this->theme_list[$i]);
					}
					break;
				case 'blacklist':
					// If we're ON the list, off to the left please
					$list = enano_json_decode($theme['group_list']);
					$allowed = true;
					foreach ( $list as $acl )
					{
						if ( !preg_match('/^(u|g):([0-9]+)$/', $acl, $match) )
							// Invalid list entry, silently allow (maybe not a good idea but
							// really, these things are checked before they're inserted)
							continue 2;
						$mode = $match[1];
						$id = intval($match[2]);
						switch ( $mode )
						{
							case 'u':
								$allowed = ( $id != $session->user_id );
								if ( !$allowed )
									break 2;
								break;
							case 'g':
								$allowed = ( !isset($session->groups[$id]) );
								if ( !$allowed )
									break 2;
						}
					}
					if ( !$allowed )
					{
						unset($this->theme_list[$i]);
					}
					break;
			}
		}
		
		$this->theme_list = array_values($this->theme_list);
		
		// Rebuild associative theme list
		$this->named_theme_list = array();
		foreach ( $this->theme_list as $i => &$theme )
			$this->named_theme_list[ $theme['theme_id'] ] =& $this->theme_list[$i];
	}
	
	/**
 	* Register a new sidebar block.
 	* @param string Block title
 	* @param string Block HTML
 	* @param bool If true, the class of the block will be the same as the one used for blocks that are a list of links instead of HTML content. This can do some wacky things like make all your <a>s block level.
 	*/
	
	function sidebar_widget($t, $h, $use_normal_section = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		if ( !$this->theme_loaded )
		{
			$this->load_theme($session->theme, $session->style);
		}
		if(!$this->sidebar_widgets)
			$this->sidebar_widgets = '';
		$tplvars = $this->extract_vars('elements.tpl');
		
		if ( $use_normal_section )
		{
			$parser = $this->makeParserText($tplvars['sidebar_section']);
		}
		else
		{
			$parser = $this->makeParserText($tplvars['sidebar_section_raw']);
		}
		
		$parser->assign_vars(Array('TITLE' => '{TITLE}','CONTENT' => $h));
		$this->plugin_blocks[$t] = $parser->run();
		$this->plugin_blocks_content[$t] = $h;
		$this->sidebar_widgets .= $parser->run();
	}
	function add_header($html)
	{
		/* debug only **
		$bt = debug_backtrace();
		$bt = $bt[1];
		$this->additional_headers .= "\n    <!-- {$bt['file']}:{$bt['line']} -->\n    " . $html;
		*/
		$this->additional_headers .= "\n   " . $html;
	}
	function get_css($s = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		$this->init_vars();
		
		$path = ( $s ) ? 'css/'.$s : 'css/'.$this->style.'.css';
		
		if ( !file_exists(ENANO_ROOT . '/themes/' . $this->theme . '/' . $path) )
		{
			echo "/* WARNING: Falling back to default file because file $path does not exist */\n";
			$path = 'css/' . $this->style_list[0] . '.css';
		}
		
		return $this->process_template($path);
	}
	function load_theme($name = false, $css = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		$this->theme = ( $name ) ? $name : $session->theme;
		$this->style = ( $css ) ? $css : $session->style;
		if ( !$this->theme )
		{
			$this->theme = $this->theme_list[0]['theme_id'];
			$this->style = preg_replace('/\.css$/', '', $this->theme_list[0]['default_style']);
		}
		// Make sure we're allowed to use this theme.
		if ( (
				// If it was removed, it's probably blocked by an ACL, or it was uninstalled
				!isset($this->named_theme_list[$this->theme]) ||
				// Check if the theme is disabled
				( isset($this->named_theme_list[$this->theme]) && isset($this->named_theme_list[$this->theme]['enabled']) && $this->named_theme_list[$this->theme]['enabled'] == 0 ) )
				// Above all, if it's a system theme, don't inhibit the loading process.
				&& !in_array($this->theme, $this->system_themes)
			)
		{
			// No, something is preventing it - fall back to site default
			$this->theme = $this->default_theme;
			
			// Come up with the default style. If the CSS file specified in default_style exists, we're good, just
			// use that. Otherwise, use the first stylesheet that comes to mind.
			$df_data =& $this->named_theme_list[ $this->theme ];
			$this->style = ( in_array($df_data['default_style'], $df_data['css']) ) ? $df_data['default_style'] : $df_data['css'][0];
		}
		// The list of styles for the currently selected theme
		$this->style_list =& $this->named_theme_list[ $this->theme ]['css'];
		$this->theme_loaded = true;
	}
	
	/**
 	* Change the theme we're supposed to display.
 	* @param string Theme name
 	* @param string Style name; optional
 	*/
	
	function set_theme($theme = false, $style = false)
	{
		$this->theme_initted = false;
		$this->load_theme($theme, $style);
	}
	
	/**
 	* Change the page we're supposed to generate for
 	* @param mixed Page ID *or* PageProcessor. If a PageProcessor, pulls permission info and such from that; if not, starts a PageProcessor. YOU SHOULD USE A PageProcessor WHENEVER POSSIBLE! It improves efficiency.
 	* @param string Namespace; not required if including a PageProcessor.
 	*/
	
	function set_page($page_id_or_pp, $namespace = false)
	{
		global $paths;
		
		if ( is_object($page_id_or_pp) && get_class($page_id_or_pp) === 'PageProcessor' )
		{
			$this->page_initted = false;
			$page =& $page_id_or_pp;
			$this->page = $page;
			$this->page_id = $page->page_id;
			$this->namespace = $page->namespace;
		}
		else if ( is_string($page_id_or_pp) )
		{
			if ( !is_string($namespace) )
				return false;
			
			if ( $page_id_or_pp === $this->page_id && $namespace === $this->namespace )
				return true;
			
			$this->page_initted = false;
			$this->page = false;
			$this->page_id = sanitize_page_id($page_id_or_pp);
			$this->namespace = $namespace;
		}
		else
		{
			return false;
		}
		$this->assign_vars(array(
				'PAGE_URLNAME' => $paths->get_pathskey($this->page_id, $this->namespace)
			));
		return true;
	}
	
	/**
 	* Queue a Javascript file to be loaded with the page instead of on demand.
 	* @param mixed Javascript file string or array thereof, extensions are optional
 	* @example
 	<code>
 	$template->preload_js(array('jquery', 'jquery-ui'));
 	$template->preload_js('admin-menu.js');
 	</code>
 	* @return null
 	*/
	
	function preload_js($filemixed)
	{
		if ( is_string($filemixed) )
			$files = array($filemixed);
		else if ( is_array($filemixed) )
			$files = $filemixed;
		else
			// :-/
			return null;
			
		$this->js_preload = array_values(array_merge($this->js_preload, $files));
	}
	
	/**
 	* Queue some HTML to be inserted after the Javascript runtime.
 	* @param string HTML glob
 	*/
	
	function add_header_js($html)
	{
		$this->js_append .= "$html\n    ";
	}
	
	/**
 	* Global, only-called-once init. Goes to all themes.
 	*/
	
	function init_global_vars()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		global $email;
		
		$is_opera = (isset($_SERVER['HTTP_USER_AGENT']) && strstr($_SERVER['HTTP_USER_AGENT'], 'Opera')) ? true : false;
		$is_msie = (isset($_SERVER['HTTP_USER_AGENT']) && strstr($_SERVER['HTTP_USER_AGENT'], 'MSIE')) ? true : false;
		
		$this->assign_bool(array(
				'auth_admin' => $session->user_level >= USER_LEVEL_ADMIN ? true : false,
				'user_logged_in' => $session->user_logged_in,
				'opera' => $is_opera,
				'msie' => $is_msie,
				'registration_disabled' => getConfig('account_activation', 'none') === 'disable'
			));
		
		if ( $session->sid_super )
		{
			$ash = '&amp;auth=' . $session->sid_super;
			$asq = "?auth=" . $session->sid_super;
			$asa = "&auth=" . $session->sid_super;
			$as2 = htmlspecialchars(urlSeparator) . 'auth='.$session->sid_super;
		}
		else
		{
			$asq = '';
			$asa = '';
			$as2 = '';
			$ash = '';
		}
		
		// Append the Enano version to URLs to break the cache on upgrades
		$enano_version = enano_version();
		
		// Set up javascript includes
		// these depend heavily on whether we have a CDN to work with or not
		if ( getConfig('cdn_path') )
		{
			// we're on a CDN, point to static includes
			// CLI javascript compression script: includes/clientside/jscompress.php
			$js_head = '<script type="text/javascript" src="' . cdnPath . '/includes/clientside/static/enano-lib-basic.js?' . $enano_version . '"></script>';
			
			if ( !empty($this->js_preload) )
			{
				$loadlines = array();
				
				// make unique
				foreach ( $this->js_preload as &$script )
				{
					$script = preg_replace('/\.js$/', '', $script) . '.js';
				}
				unset($script);
				$this->js_preload = array_unique($this->js_preload);
				
				foreach ( $this->js_preload as $script )
				{
					$js_head .= "\n    <script type=\"text/javascript\" src=\"" . cdnPath . "/includes/clientside/static/$script?$enano_version\"></script>";
					// special case for l10n: also load strings
					if ( $script == 'l10n.js' )
					{
						global $lang;
						$js_head .= "\n    <script type=\"text/javascript\" src=\"" . makeUrlNS("Special", "LangExportJSON/$lang->lang_id", "$enano_version") . "\"></script>";
					}
					$loadlines[] = "loaded_components['$script'] = true;";
				}
				
				// tell the system that this stuff is already loaded
				$loadlines = implode("\n      ", $loadlines);
				$js_head .= "\n    <script type=\"text/javascript\">
			var loaded_components = loaded_components || {};
			$loadlines
		</script>";
			}
			
			$js_foot = <<<JSEOF
		<script type="text/javascript">
			// This initializes the Javascript runtime when the DOM is ready - not when the page is
			// done loading, because enano-lib-basic still has to load some 15 other script files
			// check for the init function - this is a KHTML fix
			// This doesn't seem to work properly in IE in 1.1.x - there are some problems with
			// tinyMCE and l10n.
			if ( typeof ( enano_init ) == 'function' && !IE )
			{
				enano_init();
				window.onload = function(e) {  };
			}
		</script>
		$this->js_append
JSEOF;
		}
		else
		{
			$cdnpath = cdnPath;
			$js_head = '';
			
			// point to jsres compressor
			$js_head .= <<<JSEOF
			<!-- Only load a basic set of functions for now. Let the rest of the API load when the page is finished. -->
			<script type="text/javascript" src="$cdnpath/includes/clientside/jsres.php?early&amp;$enano_version"></script>
JSEOF;
			$js_foot = '';
			
			if ( !empty($this->js_preload) )
			{
				foreach ( $this->js_preload as &$script )
				{
					$script = preg_replace('/\.js$/', '', $script) . '.js';
				}
				$this->js_preload = array_unique($this->js_preload);
				if ( in_array('l10n.js', $this->js_preload) )
				{
					// special case for l10n: also load strings
					global $lang;
					$js_foot .= "\n    <script type=\"text/javascript\" src=\"" . makeUrlNS("Special", "LangExportJSON/$lang->lang_id", $enano_version, true) . "\"></script>";
				}
				$scripts = implode(',', $this->js_preload);
				$js_foot .= "\n    <script type=\"text/javascript\" src=\"" . cdnPath . "/includes/clientside/jsres.php?f=$scripts&amp;$enano_version\"></script>";
				
			}
			
			$js_foot .= <<<JSEOF
		<!-- jsres.php is a wrapper script that compresses and caches single JS files to minimize requests -->
		<script type="text/javascript" src="$cdnpath/includes/clientside/jsres.php?$enano_version"></script>
		<script type="text/javascript">//<![CDATA[
			// This initializes the Javascript runtime when the DOM is ready - not when the page is
			// done loading, because enano-lib-basic still has to load some 15 other script files
			// check for the init function - this is a KHTML fix
			// This doesn't seem to work properly in IE in 1.1.x - there are some problems with
			// tinyMCE and l10n.
			if ( typeof ( enano_init ) == 'function' && !IE )
			{
				enano_init();
				window.onload = function(e) {  };
			}
		//]]></script>
		$this->js_append
JSEOF;
		}
	
		
		$this->assign_bool(array(
				'fixed_menus' => false,
				'export' => false,
				'right_sidebar' => true,
				'enable_uploads' => ( getConfig('enable_uploads') == '1' && $session->get_permissions('upload_files') ) ? true : false,
				'stupid_mode' => false,
			));
		
		// Add the e-mail address client code to the header
		$this->add_header($email->jscode());
		
		// Assign our main variables
		$this->assign_vars(array(
				'SITE_NAME' => htmlspecialchars(getConfig('site_name')),
				'USERNAME' => $session->username,
				'SITE_DESC' => htmlspecialchars(getConfig('site_desc')),
				'SCRIPTPATH' => scriptPath,
				'CONTENTPATH' => contentPath,
				'CDNPATH' => cdnPath,
				'ADMIN_SID_QUES' => $asq,
				'ADMIN_SID_AMP' => $asa,
				'ADMIN_SID_AMP_HTML' => $ash,
				'ADMIN_SID_AUTO' => $as2,
				'ADMIN_SID_RAW' =>  ( is_string($session->sid_super) ? $session->sid_super : '' ),
				'CSRF_TOKEN' => $session->csrf_token,
				'COPYRIGHT' => RenderMan::parse_internal_links(getConfig('copyright_notice')),
				'REQUEST_URI' => ( defined('ENANO_CLI') ? '' : $_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'] ),
				'SEARCH_ACTION' => makeUrlNS('Special', 'Search'),
				'INPUT_TITLE' => ( urlSeparator == '&' ? '<input type="hidden" name="title" value="' . htmlspecialchars( $paths->get_pathskey($this->page_id, $this->namespace) ) . '" />' : ''),
				'INPUT_AUTH' => ( $session->sid_super ? '<input type="hidden" name="auth"  value="' . $session->sid_super . '" />' : ''),
				'MAIN_PAGE' => get_main_page(),
				'UNREAD_PMS' => $session->unread_pms,
				'JS_HEADER' => $js_head,
				'JS_FOOTER' => $js_foot,
				'URL_ABOUT_ENANO' => makeUrlNS('Special', 'About_Enano', '', true),
				'ENANO_VERSION' => enano_version()
			), true);
		
		$tpl_strings = array();
		foreach ( $paths->nslist as $ns_id => $ns_prefix )
		{
			$tpl_strings[ 'NS_' . strtoupper($ns_id) ] = $ns_prefix;
		}
		
		$this->assign_vars($tpl_strings, true);
	}
	
	/**
 	* Init theme vars, like sidebar, global JS, that kind of stuff.
 	*/
	
	function init_theme_vars()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		// allows conditional testing of the theme ID (a bit crude, came from my NSIS days)
		$this->assign_bool(array(
				"theme_is_{$this->theme}" => true
			));
		
		$this->elements = $this->extract_vars('elements.tpl');
		
		// Generate the code for the Administration and Edit Sidebar buttons
		// Once again, the new template parsing system can be used here
		
		$parser = $this->makeParserText($this->elements['sidebar_button']);
		
		$parser->assign_vars(Array(
				'HREF'=>makeUrlNS('Special', 'Administration'),
				'FLAGS'=>'onclick="if ( !KILL_SWITCH ) { void(ajaxStartAdminLogin()); return false; }"',
				'TEXT'=>$lang->get('sidebar_btn_administration'),
			));
		
		$admin_link = $parser->run();
		
		// We're leaving this in for now, just blanked out, to avoid compatibility issues.
		$sidebar_link = '';
		
		$this->assign_vars(array(
				'ADMIN_LINK' => $admin_link,
				'SIDEBAR_LINK' => $sidebar_link,
				'THEME_ID' => $this->theme,
				'STYLE_ID' => $this->style
			));
		
		// Add the site description sidebar block
		$this->sidebar_widget($lang->get('sidebar_title_about'), '<p>' . htmlspecialchars(getConfig('site_desc')) . '</p>');
		
		$this->theme_initted = true;
	}
	
	/**
 	* Init page vars, like the toolbar, local JS, etc.
 	*/
	
	function init_page_vars()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		if ( !$this->page )
		{
			$this->page = new PageProcessor($this->page_id, $this->namespace);
		}
		
		$conds = $this->page->ns->get_conds();
		
		$this->assign_bool(array(
				'in_admin' => ( ( $this->page_id == 'Administration' && $this->namespace == 'Special' ) || $this->namespace == 'Admin' ),
				'auth_rename' => ( $conds['rename'] )
			));
		
		// Get the "article" button text (depends on namespace)
		switch ( $this->namespace )
		{
			case "Article":
			default:
				$ns = $lang->get('onpage_lbl_page_article');
				break;
			case "Admin":
				$ns = $lang->get('onpage_lbl_page_admin');
				break;
			case "System":
				$ns = $lang->get('onpage_lbl_page_system');
				break;
			case "File":
				$ns = $lang->get('onpage_lbl_page_file');
				break;
			case "Help":
				$ns = $lang->get('onpage_lbl_page_help');
				break;
			case "User":
				$ns = $lang->get('onpage_lbl_page_user');
				break;
			case "Special":
				$ns = $lang->get('onpage_lbl_page_special');
				break;
			case "Template":
				$ns = $lang->get('onpage_lbl_page_template');
				break;
			case "Project":
				$ns = $lang->get('onpage_lbl_page_project');
				break;
			case "Category":
				$ns = $lang->get('onpage_lbl_page_category');
				break;
			case "API":
				$ns = $lang->get('onpage_lbl_page_external');
				break;
		}
		$this->namespace_string = $ns;
		unset($ns);
		// compatibility
		$local_namespace =& $this->namespace;
		$local_page_id =& $this->page_id;
		$code = $plugins->setHook('page_type_string_set');
		foreach ( $code as $cmd )
		{
			eval($cmd);
		}
		$ns =& $this->namespace_string;
		
		//
		// PAGE TOOLBAR (on-page controls/actions)
		//
		
		$local_page = $paths->get_pathskey($this->page_id, $this->namespace);
		$local_cdata = $this->page->ns->get_cdata();
		
		// Initialize the toolbar
		$tb = '';
		$this->toolbar_menu = '';
		
		// Create "xx page" button
		
		$btn_selected = ( isset($this->elements['toolbar_button_selected'])) ? $this->elements['toolbar_button_selected'] : $this->elements['toolbar_button'];
		$parser = $this->makeParserText($btn_selected);
		
		if ( $conds['article'] )
		{
			$parser->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxReset()); return false; }" title="' . $lang->get('onpage_tip_article') . '" accesskey="a"',
					'PARENTFLAGS' => 'id="mdgToolbar_article"',
					'HREF' => makeUrl($local_page, null, true),
					'TEXT' => $this->namespace_string
				));
			
			$tb .= $parser->run();
		}
		
		$button = $this->makeParserText($this->elements['toolbar_button']);
		
		// Page toolbar
		// Comments button
		if ( $conds['comments'] )
		{
			$cdata = $this->page->ns->get_cdata();
			if ( isset($cdata['comments_approved']) )
			{
				$approval_counts = array(
						COMMENT_APPROVED => $cdata['comments_approved'],
						COMMENT_UNAPPROVED => $cdata['comments_unapproved'],
						COMMENT_SPAM => $cdata['comments_spam']
					);
				$num_comments = $session->check_acl_scope('mod_comments', $this->namespace) && $this->page->perms->get_permissions('mod_comments')
													? array_sum($approval_counts)
													: $approval_counts[COMMENT_APPROVED];
			}
			else
			{
				$e = $db->sql_query('SELECT approved FROM '.table_prefix.'comments WHERE page_id=\''.$this->page_id.'\' AND namespace=\''.$this->namespace.'\';');
				if ( !$e )
				{
					$db->_die();
				}
				$num_comments = $db->numrows();
				$approval_counts = array(COMMENT_UNAPPROVED => 0, COMMENT_APPROVED => 0, COMMENT_SPAM => 0);
				
				while ( $r = $db->fetchrow() )
				{  
					$approval_counts[$r['approved']]++;
				}
			}
			
			$db->free_result();
			// $n = ( $session->check_acl_scope('mod_comments', $this->namespace) && $perms->get_permissions('mod_comments') ) ? (string)$num_comments : (string)$na;
			if ( $session->check_acl_scope('mod_comments', $this->namespace) && $this->page->perms->get_permissions('mod_comments') && ( $approval_counts[COMMENT_UNAPPROVED] + $approval_counts[COMMENT_SPAM] ) > 0 )
			{
				$subst = array(
						'num_comments' => $num_comments,
						'num_app' => $approval_counts[COMMENT_APPROVED],
						'num_unapp' => $approval_counts[COMMENT_UNAPPROVED],
						'num_spam' => $approval_counts[COMMENT_SPAM]
					);
				$btn_text = $lang->get('onpage_btn_discussion_unapp', $subst);
			}
			else
			{
				$subst = array(
					'num_comments' => $num_comments
				);
				$btn_text = $lang->get('onpage_btn_discussion', $subst);
			}
			
			$button->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxComments()); return false; }" title="' . $lang->get('onpage_tip_comments') . '" accesskey="c"',
					'PARENTFLAGS' => 'id="mdgToolbar_discussion"',
					'HREF' => makeUrl($local_page, 'do=comments', true),
					'TEXT' => $btn_text,
				));
			
			$tb .= $button->run();
		}
		// Edit button
		if( $conds['edit'] )
		{
			$button->assign_vars(array(
				'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxEditor()); return false; }" title="' . $lang->get('onpage_tip_edit') . '" accesskey="e"',
				'PARENTFLAGS' => 'id="mdgToolbar_edit"',
				'HREF' => makeUrl($local_page, 'do=edit', true),
				'TEXT' => $lang->get('onpage_btn_edit')
				));
			$tb .= $button->run();
		// View source button
		}
		else if ( $conds['viewsource'] ) 
		{
			$button->assign_vars(array(
				'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxEditor()); return false; }" title="' . $lang->get('onpage_tip_viewsource') . '" accesskey="e"',
				'PARENTFLAGS' => 'id="mdgToolbar_edit"',
				'HREF' => makeUrl($local_page, 'do=viewsource', true),
				'TEXT' => $lang->get('onpage_btn_viewsource')
				));
			$tb .= $button->run();
		}
		// History button
		if ( $conds['history'] )
		{
			$button->assign_vars(array(
				'FLAGS'       => 'onclick="if ( !KILL_SWITCH ) { void(ajaxHistory()); return false; }" title="' . $lang->get('onpage_tip_history') . '" accesskey="h"',
				'PARENTFLAGS' => 'id="mdgToolbar_history"',
				'HREF'        => makeUrl($local_page, 'do=history', true),
				'TEXT'        => $lang->get('onpage_btn_history')
				));
			$tb .= $button->run();
		}
		
		$menubtn = $this->makeParserText($this->elements['toolbar_menu_button']);
		
		// Additional actions menu
		// Rename button
		if ( $conds['rename'] )
		{
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxRename()); return false; }" title="' . $lang->get('onpage_tip_rename') . '" accesskey="r"',
					'HREF'  => makeUrl($local_page, 'do=rename', true),
					'TEXT'  => $lang->get('onpage_btn_rename'),
				));
			$this->toolbar_menu .= $menubtn->run();
		}
		
		// Vote-to-delete button
		if ( $conds['delvote'] )
		{
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxDelVote()); return false; }" title="' . $lang->get('onpage_tip_delvote') . '" accesskey="d"',
					'HREF'  => makeUrl($local_page, 'do=delvote', true),
					'TEXT'  => $lang->get('onpage_btn_votedelete'),
				));
			$this->toolbar_menu .= $menubtn->run();
		}
		
		// Clear-votes button
		if ( $conds['resetvotes'] )
		{
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxResetDelVotes()); return false; }" title="' . $lang->get('onpage_tip_resetvotes') . '" accesskey="y"',
					'HREF'  => makeUrl($local_page, 'do=resetvotes', true),
					'TEXT'  => $lang->get('onpage_btn_votedelete_reset'),
				));
			$this->toolbar_menu .= $menubtn->run();
		}
		
		// Printable page button
		if ( $conds['printable'] )
		{
			$menubtn->assign_vars(array(
					'FLAGS' => 'title="' . $lang->get('onpage_tip_printable') . '"',
					'HREF'  => makeUrl($local_page, 'printable=yes', true),
					'TEXT'  => $lang->get('onpage_btn_printable'),
				));
			$this->toolbar_menu .= $menubtn->run();
		}
		
		// Protect button
		if ( $conds['protect'] )
		{
			switch($this->page->ns->cdata['protected'])
			{
				case PROTECT_FULL: $protect_status = $lang->get('onpage_btn_protect_on'); break;
				case PROTECT_SEMI: $protect_status = $lang->get('onpage_btn_protect_semi'); break;
				case PROTECT_NONE: $protect_status = $lang->get('onpage_btn_protect_off'); break;
			}
			
			$label = $this->makeParserText($this->elements['toolbar_label']);
			$label->assign_vars(array('TEXT' => $lang->get('onpage_lbl_protect') . ' ' . "<b><span id=\"tb_ajax_protect_status\">$protect_status</span></b>"));
			$t0 = $label->run();
			
			$menubtn->assign_vars(array(
					'FLAGS' => 'accesskey="p" onclick="ajaxProtect(' . $this->page->ns->cdata['protected'] . '); return false;" id="tb_ajax_protect_btn" title="' . $lang->get('onpage_tip_protect') . '"',
					'HREF' => makeUrl($local_page, 'do=protect', true),
					'TEXT' => $lang->get('onpage_btn_protect_change')
				));
			$t1 = $menubtn->run();
			
			$this->toolbar_menu .= '        <table border="0" cellspacing="0" cellpadding="0">
					<tr>
						<td>'.$t0.'</td>
						<td>'.$t1.'</td>
					</tr>
				</table>';
		}
		
		// Wiki mode button
		if ( $conds['setwikimode'] )
		{
			// label at start
			$label = $this->makeParserText($this->elements['toolbar_label']);
			$label->assign_vars(array('TEXT' => $lang->get('onpage_lbl_wikimode')));
			$t0 = $label->run();
			
			// on button
			$ctmp = '';
			if ( $local_cdata['wiki_mode'] == 1 )
			{
				$ctmp = ' style="text-decoration: underline;"';
			}
			$menubtn->assign_vars(array(
					'FLAGS' => $ctmp,
					'HREF' => makeUrl($local_page, 'do=setwikimode&level=1', true),
					'TEXT' => $lang->get('onpage_btn_wikimode_on')
				));
			$t1 = $menubtn->run();
			
			// off button
			$ctmp = '';
			if ( $local_cdata['wiki_mode'] == 0 )
			{
				$ctmp=' style="text-decoration: underline;"';
			}
			$menubtn->assign_vars(array(
					'FLAGS' => $ctmp,
					'HREF' => makeUrl($local_page, 'do=setwikimode&level=0', true),
					'TEXT' => $lang->get('onpage_btn_wikimode_off')
				));
			$t2 = $menubtn->run();
			
			// global button
			$ctmp = ''; 
			if ( $local_cdata['wiki_mode'] == 2 )
			{
				$ctmp=' style="text-decoration: underline;"';
			}
			$menubtn->assign_vars(array(
					'FLAGS' => $ctmp,
					'HREF' => makeUrl($local_page, 'do=setwikimode&level=2', true),
					'TEXT' => $lang->get('onpage_btn_wikimode_global')
				));
			$t3 = $menubtn->run();
			
			// Tack it onto the list of buttons that are already there...
			$this->toolbar_menu .= '        <table border="0" cellspacing="0" cellpadding="0">
					<tr>
						<td>'.$t0.'</td>
						<td>'.$t1.'</td>
						<td>'.$t2.'</td>
						<td>'.$t3.'</td>
					</tr>
				</table>';
		}
		
		// Clear logs button
		if ( $conds['clearlogs'] )
		{
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxClearLogs()); return false; }" title="' . $lang->get('onpage_tip_flushlogs') . '" accesskey="l"',
					'HREF'  => makeUrl($local_page, 'do=flushlogs', true),
					'TEXT'  => $lang->get('onpage_btn_clearlogs'),
				));
			$this->toolbar_menu .= $menubtn->run();
		}
		
		// Delete page button
		if ( $conds['delete'] )
		{
			$s = $lang->get('onpage_btn_deletepage');
			if ( $this->page->ns->cdata['delvotes'] == 1 )
			{
				$subst = array(
					'num_votes' => $this->page->ns->cdata['delvotes'],
					'plural' => ''
					);
				$s .= $lang->get('onpage_btn_deletepage_votes', $subst);
			}
			else if ( $this->page->ns->cdata['delvotes'] > 1 )
			{
				$subst = array(
					'num_votes' => $this->page->ns->cdata['delvotes'],
					'plural' => $lang->get('meta_plural')
					);
				$s .= $lang->get('onpage_btn_deletepage_votes', $subst);
			}
			
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxDeletePage()); return false; }" title="' . $lang->get('onpage_tip_deletepage') . '" accesskey="k"',
					'HREF'  => makeUrl($local_page, 'do=deletepage', true),
					'TEXT'  => $s,
				));
			$this->toolbar_menu .= $menubtn->run();
			
		}
		
		// Password-protect button
		if ( $conds['password'] )
		{
			// label at start
			$label = $this->makeParserText($this->elements['toolbar_label']);
			$label->assign_vars(array('TEXT' => $lang->get('onpage_lbl_password')));
			$t0 = $label->run();
			
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxSetPassword()); return false; }" title="' . $lang->get('onpage_tip_password') . '"',
					'HREF'  => '#',
					'TEXT'  => $lang->get('onpage_btn_password_set'),
				));
			$t = $menubtn->run();
			
			$this->toolbar_menu .= '<table border="0" cellspacing="0" cellpadding="0"><tr><td>'.$t0.'</td><td><input type="password" id="mdgPassSetField" size="10" /></td><td>'.$t.'</td></tr></table>';
		}
		
		// Manage ACLs button
		if ( $conds['acledit'] )
		{
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { var s = ajaxOpenACLManager(); console.debug(s); return false; }" title="' . $lang->get('onpage_tip_aclmanager') . '" accesskey="m"',
					'HREF'  => makeUrl($local_page, 'do=aclmanager', true),
					'TEXT'  => $lang->get('onpage_btn_acl'),
				));
			$this->toolbar_menu .= $menubtn->run();
		}
		
		// Administer page button
		if ( $conds['adminpage'] )
		{
			$menubtn->assign_vars(array(
					'FLAGS' => 'onclick="if ( !KILL_SWITCH ) { void(ajaxAdminPage()); return false; }" title="' . $lang->get('onpage_tip_adminoptions') . '" accesskey="g"',
					'HREF'  => makeUrlNS('Special', 'Administration', 'module='.$paths->nslist['Admin'].'PageManager', true),
					'TEXT'  => $lang->get('onpage_btn_admin'),
				));
			$this->toolbar_menu .= $menubtn->run();
		}
		
		if ( strlen($this->toolbar_menu) > 0 )
		{
			$button->assign_vars(array(
				'FLAGS'       => 'id="mdgToolbar_moreoptions" onclick="if ( !KILL_SWITCH ) { return false; }" title="' . $lang->get('onpage_tip_moreoptions') . '"',
				'PARENTFLAGS' => '',
				'HREF'        => makeUrl($local_page, 'do=moreoptions', true),
				'TEXT'        => $lang->get('onpage_btn_moreoptions')
				));
			$tb .= $button->run();
		}
		
		// Generate the code for the Log in, Log out, Change theme, Administration, and Edit Sidebar buttons
		// Once again, the new template parsing system can be used here
		
		$parser = $this->makeParserText($this->elements['sidebar_button']);
		
		$parser->assign_vars(Array(
				'HREF'=>makeUrlNS('Special', "Logout/{$session->csrf_token}/{$local_page}"),
				'FLAGS'=>'onclick="if ( !KILL_SWITCH ) { mb_logout(); return false; }"',
				'TEXT'=>$lang->get('sidebar_btn_logout'),
			));
		
		$logout_link = $parser->run();
		
		$parser->assign_vars(Array(
				'HREF'=>makeUrlNS('Special', 'Login/' . $local_page),
				'FLAGS'=>'onclick="if ( !KILL_SWITCH ) { ajaxStartLogin(); return false; }"' . ( $local_page_id == 'Login' && $local_namespace == 'Special' ? ' class="currentpage"' : '' ),
				'TEXT'=>$lang->get('sidebar_btn_login'),
			));
		
		$login_link = $parser->run();
		
		$parser->assign_vars(Array(
				'HREF'=>makeUrlNS('Special', 'ChangeStyle/'.$local_page),
				'FLAGS'=>'onclick="if ( !KILL_SWITCH ) { ajaxChangeStyle(); return false; }"' . ( $local_page_id == 'ChangeStyle' && $local_namespace == 'Special' ? ' class="currentpage"' : '' ),
				'TEXT'=>$lang->get('sidebar_btn_changestyle'),
			));
		
		$theme_link = $parser->run();
		
		// Run hooks
		$code = $plugins->setHook('tpl_compile_toolbar');
		foreach ( $code as $cmd )
		{
			eval($cmd);
		}
		
		//
		// ASSIGN VARIABLES
		//
		
		$this->assign_vars(array(
				'PAGE_NAME' => htmlspecialchars($this->page->ns->cdata['name']),
				'PAGE_URLNAME' => $paths->nslist[$this->namespace] . sanitize_page_id($this->page_id),
				'TOOLBAR' => $tb,
				'TOOLBAR_EXTRAS' => $this->toolbar_menu,
				'STYLE_LINK' => makeUrlNS('Special', 'CSS', null, true), //contentPath.$paths->nslist['Special'].'CSS' . $p,
				'LOGIN_LINK' => $login_link,
				'LOGOUT_LINK' => $logout_link,
				'THEME_LINK' => $theme_link
			), true);
		$this->page_initted = true;
	}
	
	/**
 	* Generates and assigns the Javascript system variables
 	*/
	
	function generate_js_header()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		$SID = ($session->sid_super) ? $session->sid_super : '';
		
		$local_page = $paths->get_pathskey($this->page_id, $this->namespace);
		$local_fullpage = $paths->get_pathskey($this->page_id, $this->namespace) . substr($paths->fullpage, strlen($paths->page));
		
		$urlname_clean = str_replace('\'', '\\\'', str_replace('\\', '\\\\', dirtify_page_id($local_fullpage)));
		$urlname_clean = strtr( $urlname_clean, array( '<' => '&lt;', '>' => '&gt;' ) );
		
		$urlname_jssafe = sanitize_page_id($local_fullpage);
		$physical_urlname_jssafe = sanitize_page_id($paths->fullpage);
		
		$protected = is_object($this->page) ? $this->page->ns->cdata['really_protected'] : false;
		
		// Generate the dynamic javascript vars
		// Sorry. I know. This block is a mess.
		$js_dynamic = '    <script type="text/javascript">// <![CDATA[
			// This section defines some basic and very important variables that are used later in the static Javascript library.
			// SKIN DEVELOPERS: The template variable for this code block is {JS_DYNAMIC_VARS}. This MUST be inserted BEFORE the tag that links to the main Javascript lib.
			var title = \''. $urlname_jssafe .'\';
			var physical_title = \'' . $physical_urlname_jssafe . '\';
			var on_main_page = ' . ( $local_page == get_main_page() ? 'true' : 'false' ) . ';
			var main_page_members = \'' . addslashes(get_main_page(true)) . '\';
			var page_exists = '. ( ( is_object($this->page) ? $this->page->ns->exists() : true ) ? 'true' : 'false' ) .';
			var scriptPath = \'' . addslashes(scriptPath) . '\';
			var contentPath = \'' . addslashes(contentPath) . '\';
			var cdnPath = \'' . addslashes(cdnPath) . '\';
			var ENANO_SID = \'' . $SID . '\';
			var user_level = ' . $session->user_level . ';
			var auth_level = ' . $session->auth_level . ';
			var USER_LEVEL_GUEST = ' . USER_LEVEL_GUEST . ';
			var USER_LEVEL_MEMBER = ' . USER_LEVEL_MEMBER . ';
			var USER_LEVEL_CHPREF = ' . USER_LEVEL_CHPREF . ';
			var USER_LEVEL_MOD = ' . USER_LEVEL_MOD . ';
			var USER_LEVEL_ADMIN = ' . USER_LEVEL_ADMIN . ';
			var disable_redirect = ' . ( isset($_GET['redirect']) && $_GET['redirect'] == 'no' ? 'true' : 'false' ) . ';
			var pref_disable_js_fx = ' . ( @$session->user_extra['disable_js_fx'] == 1 ? 'true' : 'false' ) . ';
			var csrf_token = "' . $session->csrf_token . '";
			var prot = ' . ( ($protected) ? 'true' : 'false' ) .';
			var ENANO_SPECIAL_CREATEPAGE = \''. makeUrl($paths->nslist['Special'].'CreatePage') .'\';
			var ENANO_CREATEPAGE_PARAMS = \'_do=&pagename='. $this->page_id .'&namespace=' . $this->namespace . '\';
			var ENANO_SPECIAL_CHANGESTYLE = \''. makeUrlNS('Special', 'ChangeStyle') .'\';
			var namespace_list = [];
			var msg_loading_component = \'' . addslashes($lang->get('ajax_msg_loading_component')) . '\';
			var AES_BITS = '.AES_BITS.';
			var AES_BLOCKSIZE = '.AES_BLOCKSIZE.';
			var pagepass = \''. ( ( isset($_REQUEST['pagepass']) ) ? sha1($_REQUEST['pagepass']) : '' ) .'\';
			var ENANO_LANG_ID = ' . $lang->lang_id . ';
			var ENANO_PAGE_TYPE = "' . addslashes($this->namespace_string) . '";
			var enano_version = "' . enano_version() . '";';
		
		foreach ( $paths->nslist as $k => $c )
		{
			$js_dynamic .= "namespace_list['{$k}'] = '" . addslashes($c) . "';";
		}
		$js_dynamic .= "\n    //]]>\n    </script>";
		
		$this->assign_vars(array(
				'JS_DYNAMIC_VARS' => $js_dynamic,
				'REPORT_URI' => makeUrl($local_fullpage, 'do=sql_report', true)
			), true);
	}
	
	/**
 	* Fetches, parses, and assigns the sidebar.
 	*/
	
	function assign_sidebar()
	{
		//
		// COMPILE THE SIDEBAR
		//
		
		// This is done after the big assign_vars() so that sidebar code has access to the newly assigned variables
		
		list($this->tpl_strings['SIDEBAR_LEFT'], $this->tpl_strings['SIDEBAR_RIGHT'], $min) = $this->fetch_sidebar();
		$this->tpl_bool['sidebar_left']  = ( $this->tpl_strings['SIDEBAR_LEFT']  != $min) ? true : false;
		$this->tpl_bool['sidebar_right'] = ( $this->tpl_strings['SIDEBAR_RIGHT'] != $min) ? true : false;
		$this->tpl_bool['right_sidebar'] = $this->tpl_bool['sidebar_right']; // backward compatibility
	}
	
	/**
 	* Initializes all variables related to on-page content. This includes sidebars and what have you.
 	* @param object Optional PageProcessor object to use for passing metadata and permissions on. If omitted, uses information from $paths and $session.
 	* @param bool If true, re-inits even if already initted with this page_id and namespace
 	*/
	
	function init_vars($page = false, $force_init = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		$need_shared_init = ( !$this->theme_initted || !$this->page_initted );
		
		if ( $need_shared_init )
		{
			if ( !$this->theme || !$this->style )
			{
				$this->load_theme();
			}
			$code = $plugins->setHook('compile_template', true);
			foreach ( $code as $cmd )
			{
				eval($cmd);
			}
		}
		
		if ( !$this->theme_loaded )
			$this->load_theme();
		
		require(ENANO_ROOT . "/themes/{$this->theme}/theme.cfg");
		
		if ( !$this->page_id || !$this->namespace )
		{
			$this->page_id = $paths->page_id;
			$this->namespace = $paths->namespace;
		}
		
		profiler_log('template: prepped for var set (loaded theme, ran compile_template hook)');
		
		$this->init_global_vars();
		profiler_log('template: global vars set');
		
		if ( !$this->theme_initted )
			$this->init_theme_vars();
		
		profiler_log('template: theme vars set');
		
		if ( !$this->page_initted && !empty($this->namespace) )
		{
			profiler_log('template: page vars set');
			$this->init_page_vars();
		}
		else
		{
			profiler_message('template: skipped setting page vars');
		}
		
		// Perform shared init (combine javascript, etc.)
		if ( $need_shared_init )
		{
			$this->generate_js_header();
			$this->assign_sidebar();
			profiler_log('template: assigned sidebar and JS');
		}
		
		// and finally one string value that needs to be symlinked...
		if ( !isset($this->tpl_strings['ADDITIONAL_HEADERS']) )
		{
			$this->tpl_strings['ADDITIONAL_HEADERS'] =& $this->additional_headers;
		}
		
		// done!
		$code = $plugins->setHook('template_var_init_end');
		foreach ( $code as $cmd )
		{
			eval($cmd);
		}
	}
	
	function header($simple = false) 
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		define('ENANO_HEADERS_SENT', true);
		
		echo $this->getHeader($simple);
	}
	
	function footer($simple = false)
	{
		echo $this->getFooter($simple);
	}
	
	function getHeader($simple = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		if ( !$this->theme_loaded )
		{
			$this->load_theme($session->theme, $session->style);
		}
		
		if ( !$this->page_initted || !$this->theme_initted )
			$this->init_vars();
		
		// I feel awful doing this.
		if ( preg_match('/^W3C_Validator/', @$_SERVER['HTTP_USER_AGENT']) )
		{
			header('Content-type: application/xhtml+xml');
		}
		
		$header = '';
		
		if ( !$this->no_headers )
		{
			$header = ( $simple ) ?
				$this->process_template('simple-header.tpl') :
				$this->process_template('header.tpl');
		}
		if ( !$simple && $session->user_logged_in && $session->unread_pms > 0 )
		{
			$header .= $this->notify_unread_pms();
		}
		if ( !$simple && $session->sw_timed_out )
		{
			$login_link = makeUrlNS('Special', 'Login/' . $paths->fullpage, 'level=' . $session->user_level, true);
			$header .= '<div class="usermessage">';
			$header .= $lang->get('user_msg_elev_timed_out', array( 'login_link' => $login_link ));
			$header .= '</div>';
		}
		if ( $this->site_disabled && $session->user_level >= USER_LEVEL_ADMIN && ( $paths->page != $paths->nslist['Special'] . 'Administration' ) )
		{
			$admin_link = makeUrlNS('Special', 'Administration', 'module=' . $paths->nslist['Admin'] . 'GeneralConfig', true);
			$header .= '<div class="usermessage"><b>' . $lang->get('page_sitedisabled_admin_msg_title') . '</b><br />
						' . $lang->get('page_sitedisabled_admin_msg_body', array('admin_link' => $admin_link)) . '
						</div>';
		}
		
		return $header;
	}
	
	function getFooter($simple = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		if ( !$this->no_headers )
		{
			
			global $_starttime;
			if(isset($_GET['sqldbg']) && $session->get_permissions('mod_misc'))
			{
				echo '<h3>' . $lang->get('page_heading_sql_list') . '</h3><pre style="margin-left: 1em">';
				echo htmlspecialchars($db->sql_backtrace());
				echo '</pre>';
			}
			
			$t = ( $simple ) ? $this->process_template('simple-footer.tpl') : $this->process_template('footer.tpl');
			
			$f = microtime_float();
			$f = $f - $_starttime;
			$f = sprintf("%.02f", $f);
			
			$t_loc = $lang->get('page_msg_stats_gentime_short', array('time' => $f));
			$t_loc_long = $lang->get('page_msg_stats_gentime_long', array('time' => $f));
			$q_loc = '<a href="' . $this->tpl_strings['REPORT_URI'] . '">' . $lang->get('page_msg_stats_sql', array('nq' => $db->num_queries)) . '</a>';
			$dbg = $t_loc;
			$dbg_long = $t_loc_long;
			if ( $session->user_level >= USER_LEVEL_ADMIN || defined('ENANO_DEBUG') )
			{
				$dbg .= "&nbsp;&nbsp;|&nbsp;&nbsp;$q_loc";
				$dbg_long .= "&nbsp;&nbsp;|&nbsp;&nbsp;$q_loc";
			}
			
			$t = str_replace('[[Stats]]', $dbg, $t);
			$t = str_replace('[[StatsLong]]', $dbg_long, $t);
			$t = str_replace('[[NumQueries]]', (string)$db->num_queries, $t);
			$t = str_replace('[[GenTime]]', (string)$f, $t);
			$t = str_replace('[[NumQueriesLoc]]', $q_loc, $t);
			$t = str_replace('[[GenTimeLoc]]', $t_loc, $t);
			$t = str_replace('[[EnanoPoweredLink]]', $lang->get('page_enano_powered', array('about_uri' => $this->tpl_strings['URL_ABOUT_ENANO'])), $t);
			$t = str_replace('[[EnanoPoweredLinkLong]]', $lang->get('page_enano_powered_long', array('about_uri' => $this->tpl_strings['URL_ABOUT_ENANO'])), $t);
			
			if ( defined('ENANO_PROFILE') )
			{
				$t = str_replace('</body>', '<div id="profile" style="margin: 10px;">' . profiler_make_html() . '</div></body>', $t);
				// ob_end_clean();
				// return profiler_make_html();
			}
			
			return $t;
		}
		else
		{
			return '';
		}
	}
	
	/**
 	* Assigns an array of string values to the template. Strings can be accessed from the template by inserting {KEY_NAME} in the template file.
 	* @param $vars array
 	* @param $from_internal bool Internal switch, just omit (@todo document)
 	*/
	
	function assign_vars($vars, $from_internal = false)
	{
		foreach ( $vars as $key => $value )
		{
			$replace = true;
			if ( isset($this->vars_assign_history['strings'][$key]) )
			{
				if ( $this->vars_assign_history['strings'][$key] == 'api' )
				{
					$replace = false;
				}
			}
			if ( $replace )
			{
				$this->tpl_strings[$key] = $value;
				$this->vars_assign_history['strings'][$key] = ( $from_internal ) ? 'internal' : 'api';
			}
		}
	}
	
	/**
 	* Assigns an array of boolean values to the template. These can be used for <!-- IF ... --> statements.
 	* @param $vars array
 	* @param $from_internal bool Internal switch, just omit (@todo document)
 	*/
	
	function assign_bool($vars, $from_internal = false)
	{
		foreach ( $vars as $key => $value )
		{
			$replace = true;
			if ( isset($this->vars_assign_history['bool'][$key]) )
			{
				if ( $this->vars_assign_history['bool'][$key] == 'api' )
				{
					$replace = false;
				}
			}
			if ( $replace )
			{
				$this->tpl_bool[$key] = $value;
				$this->vars_assign_history['bool'][$key] = ( $from_internal ) ? 'internal' : 'api';
			}
		}
	}
	
	#
	# COMPILER
	#
	
	/**
 	* Compiles and executes a template based on the current variables and booleans. Loads
 	* the theme and initializes variables if needed. This mostly just calls child functions.
 	* @param string File to process
 	* @return string
 	*/
	
	function process_template($file)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		
		if ( !$this->theme_initted || !$this->page_initted )
		{
			$this->init_vars();
		}
		
		$cache_file = ENANO_ROOT . '/cache/' . $this->theme . '-' . str_replace('/', '-', $file) . '.php';
		if ( file_exists($cache_file) )
		{
			// this is about the time of the breaking change to cache file format
			if ( ($m = filemtime($cache_file)) > 1215038089 )
			{
				$result = @include($cache_file);
				if ( isset($md5) )
				{
					if ( $m >= filemtime(ENANO_ROOT . "/themes/{$this->theme}/$file") )
					{
						$result = $this->compile_template_text_post($result);
						return $result;
					}
				}
			}
		}
		
		$compiled = $this->compile_template($file);
		$result = eval($compiled);
		
		return $result;
	}
	
	/**
 	* Loads variables from the specified template file. Returns an associative array containing the variables.
 	* @param string Template file to process (elements.tpl)
 	* @return array
 	*/
	
	function extract_vars($file)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		
		// Sometimes this function gets called before the theme is loaded
		// This is a bad coding practice so this function will always be picky.
		if ( !$this->theme )
		{
			die('$template->extract_vars(): theme not yet loaded, so we can\'t open template files yet...this is a bug and should be reported.<br /><br />Backtrace, most recent call first:<pre>'.enano_debug_print_backtrace(true).'</pre>');
		}
		
		// Full pathname of template file
		$tpl_file_fullpath = ( strstr($file, '/') ) ? $file : ENANO_ROOT . '/themes/' . $this->theme . '/' . $file;
		
		// Make sure the template even exists
		if ( !is_file($tpl_file_fullpath) )
		{
			die_semicritical('Cannot find template file',
 											'<p>The template parser was asked to load the file "' . htmlspecialchars($tpl_file_fullpath) . '", but that file couldn\'t be found in the directory for
 													the current theme.</p>
												<p>Additional debugging information:<br />
 													<b>Theme currently in use: </b>' . $this->theme . '<br />
 													<b>Requested file: </b>' . $file . '
 													</p>');
		}
		// Retrieve file contents
		$text = file_get_contents($tpl_file_fullpath);
		if ( !$text )
		{
			return false;
		}
		
		// Get variables, regular expressions FTW
		preg_match_all('#<\!-- VAR ([A-z0-9_-]*) -->(.*?)<\!-- ENDVAR \\1 -->#is', $text, $matches);
		
		// Initialize return values
		$tplvars = Array();
		
		// Loop through each match, setting $tplvars[ $first_subpattern ] to $second_subpattern
		for ( $i = 0; $i < sizeof($matches[1]); $i++ )
		{
			$tplvars[ $matches[1][$i] ] = $matches[2][$i];
		}
		
		// All done!
		return $tplvars;
	}
	
	/**
 	* Compiles a block of template code.
 	* @param string The text to process
 	* @return string
 	*/
	
	function compile_tpl_code($text)
	{
		return template_compiler_core($text);  
	}
	
	/**
 	* Compiles the contents of a given template file, possibly using a cached copy, and returns the compiled code.
 	* @param string Filename of template (header.tpl)
 	* @return string
 	*/
	
	function compile_template($filename)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		
		// Full path to template file
		$tpl_file_fullpath = ENANO_ROOT . '/themes/' . $this->theme . '/' . $filename;
		
		// Make sure the file exists
		if ( !is_file($tpl_file_fullpath) )
		{
			die_semicritical('Cannot find template file',
 											'<p>The template parser was asked to load the file "' . htmlspecialchars($filename) . '", but that file couldn\'t be found in the directory for
 													the current theme.</p>
												<p>Additional debugging information:<br />
 													<b>Theme currently in use: </b>' . $this->theme . '<br />
 													<b>Requested file: </b>' . $file . '
 													</p>');
		}
		
		// We won't use the cached copy here.
		$text = file_get_contents($tpl_file_fullpath);
		
		// This will be used later when writing the cached file
		$md5 = md5($text);
		
		// Preprocessing and checks complete - compile the code
		$text = $this->compile_tpl_code($text);
		
		// Generate cache filename
		$cache_file = ENANO_ROOT . '/cache/' . $this->theme . '-' . str_replace('/', '-', $filename) . '.php';
		
		// Perhaps caching is enabled and the admin has changed the template?
		if ( is_writable( ENANO_ROOT . '/cache/' ) && getConfig('cache_thumbs') == '1' )
		{
			$h = fopen($cache_file, 'w');
			if ( !$h )
			{
				// Couldn't open the file - silently ignore and return
				return $text;
			}
			
			// Final contents of cache file
			$file_contents = <<<EOF
<?php

/*
 * NOTE: This file was automatically generated by Enano and is based on compiled code. Do not edit this file.
 * If you edit this file, any changes you make will be lost the next time the associated source template file is edited.
 */

\$md5 = '$md5';

$text
EOF;
			// This is really just a normal PHP file that sets a variable or two and exits.
			// $tpl_text actually will contain the compiled code
			fwrite($h, $file_contents);
			fclose($h);
		}
		
		return $this->compile_template_text_post($text); //('<pre>'.htmlspecialchars($text).'</pre>');
	}
	
	
	/**
 	* Compiles (parses) some template code with the current master set of variables and booleans.
 	* @param string Text to process
 	* @return string
 	*/
	
	function compile_template_text($text)
	{
		// this might do something else in the future, possibly cache large templates
		return $this->compile_template_text_post($this->compile_tpl_code($text));
	}
	
	/**
 	* For convenience - compiles AND parses some template code.
 	* @param string Text to process
 	* @return string
 	*/
	
	function parse($text)
	{
		$text = $this->compile_template_text($text);
		$text = $this->compile_template_text_post($text);
		return eval($text);
	}
	
	/**
 	* Post-processor for template code. Basically what this does is it localizes {lang:foo} blocks.
 	* @param string Mostly-processed TPL code
 	* @param bool Post-eval switch. If true, does not escape code.
 	* @return string
 	*/
	
	function compile_template_text_post($text, $post_eval = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		// Language strings
		preg_match_all('/\{lang:([a-z0-9]+_[a-z0-9_]+)\}/', $text, $matches);
		foreach ( $matches[1] as $i => $string_id )
		{
			$string = $lang->get($string_id);
			if ( !$post_eval )
			{
				$string = str_replace('\\', '\\\\', $string);
				$string = str_replace('\'', '\\\'', $string);
			}
			$text = str_replace_once($matches[0][$i], $string, $text);
		}
		
		// URLs
		preg_match_all('/\{url:([A-z0-9]+):([^\}]+?)(?:;([^\s\}]+?))?(?:\|(escape))?\}/i', $text, $matches);
		foreach ( $matches[1] as $i => $string_id )
		{
			$namespace =& $matches[1][$i];
			$page_id =& $matches[2][$i];
			$params =& $matches[3][$i];
			$escape =& $matches[4][$i];
			
			if ( !$params )
				$params = false;
			$escape = !empty($escape);
			
			$result = makeUrlNS($namespace, sanitize_page_id($page_id), $params, $escape);
			
			if ( !$post_eval )
			{
				$result = str_replace('\\', '\\\\', $result);
				$result = str_replace('\'', '\\\'', $result);
			}
			
			$text = str_replace_once($matches[0][$i], $result, $text);
		}
		
		$code = $plugins->setHook('compie_template_text_post');
		foreach ( $code as $cmd )
		{
			eval($cmd);
		}
		
		return $text;
	}
	
	/**
 	* Returns the output of a theme hook
 	* @param string Hook name
 	* @return string
 	*/
	
	function get_theme_hook($hook)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		ob_start();
		$code = $plugins->setHook($hook);
		foreach ( $code as $cmd )
		{
			eval($cmd);
		}
		$out = ob_get_contents();
		ob_end_clean();
		
		return $out;
	}
	
	// n00bish comments removed from here. 2008-03-13 @ 12:02AM when I had nothing else to do.
	
	/**
 	* Takes a blob of HTML with the specially formatted template-oriented wikitext and formats it. Does not use eval().
 	* This function butchers every coding standard in Enano and should eventually be rewritten. The fact is that the
 	* code _works_ and does a good job of checking for errors and cleanly complaining about them.
 	* @param string Text to process
 	* @param bool Ignored for backwards compatibility
 	* @param string File to get variables for sidebar data from
 	* @return string
 	*/
	
	function tplWikiFormat($message, $filter_links = false, $filename = 'elements.tpl')
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		$START = microtime_float();
		
		// localize the whole string first
		preg_match_all('/\{lang:([a-z0-9]+_[a-z0-9_]+)\}/', $message, $matches);
		foreach ( $matches[1] as $i => $string_id )
		{
			$string = $lang->get($string_id);
			$string = str_replace('\\', '\\\\', $string);
			$string = str_replace('\'', '\\\'', $string);
			$message = str_replace_once($matches[0][$i], $string, $message);
		}
		
		// first: the hackish optimization -
		// if it's only a bunch of letters, numbers and spaces, just skip this sh*t.
		
		if ( preg_match('/^[\w\s\.]*$/i', $message) )
		{
			return $message;
		}
		
		$filter_links = false;
		$tplvars = $this->extract_vars($filename);
		if($session->sid_super) $as = htmlspecialchars(urlSeparator).'auth='.$session->sid_super;
		else $as = '';
		error_reporting(E_ALL);
		$random_id = sha1(microtime().''); // A temp value
		
		/*
 		* PREPROCESSOR
 		*/
		
		// Variables
		
		preg_match_all('#\$([A-Z_-]+)\$#', $message, $links);
		$links = $links[1];
		
		for($i=0;$i<sizeof($links);$i++)
		{
			if ( isset($this->tpl_strings[$links[$i]]) )
			{
				$message = str_replace('$'.$links[$i].'$', $this->tpl_strings[$links[$i]], $message);
			}
		}
		
		// Conditionals
		
		$message = $this->twf_parse_conditionals($message);
		
		/*
 		* HTML RENDERER
 		*/
 		
		// Images
		$message = RenderMan::process_image_tags($message, $taglist);
		$message = RenderMan::process_imgtags_stage2($message, $taglist);
		
		// Internal links
		$message = RenderMan::parse_internal_links($message, $tplvars['sidebar_button'], false, $this->page_id, $this->namespace);
		
		// External links
		
		$url_regexp = <<<EOF
(
	(?:https?|ftp|irc):\/\/                            # protocol
	(?:[^@\s\]"\':]+@)?                                # username (FTP only but whatever)
	(?:(?:(?:[a-z0-9-]+\.)*)[a-z0-9\[\]:]+)            # hostname
	(?::[0-9]+)?                                       # port number
	(?:\/[A-z0-9_%\|~`!\!@#\$\^&?=\*\(\):;\.,\/-]*)?   # path
)
EOF;

		$text_parser = $this->makeParserText($tplvars['sidebar_button']);

		preg_match_all('/\[' . $url_regexp . '[ ]([^\]]+)\]/isx', $message, $ext_link);
		
		for ( $i = 0; $i < count($ext_link[0]); $i++ )
		{
			$text_parser->assign_vars(Array(  
					'HREF'  => $ext_link[1][$i],
					'FLAGS' => '',
					'TEXT'  => $ext_link[2][$i]
				));
			$message = str_replace($ext_link[0][$i], $text_parser->run(), $message);
		}
		
		preg_match_all('/\[' . $url_regexp . '\]/is', $message, $ext_link);
		
		for ( $i = 0; $i < count($ext_link[0]); $i++ )
		{
			$text_parser->assign_vars(Array(  
					'HREF'  => $ext_link[1][$i],
					'FLAGS' => '',
					'TEXT'  => htmlspecialchars($ext_link[1][$i])
				));
			$message = str_replace($ext_link[0][$i], $text_parser->run(), $message);
		}
		
		$TIME = microtime_float() - $START;
		
		/*
		if ( $TIME > 0.02 )
		{
			echo 'template: tplWikiFormat took a while for this one. string dump:<pre>';
			echo htmlspecialchars($message);
			echo '</pre>';
		}
		*/
		
		return $message;
	}
	
	/**
 	* Parses conditional {if} blocks in sidebars and other tplWikiFormatted things
 	* @param string A string potentially containing conditional blocks
 	* @return string Processed string
 	*/
	
	function twf_parse_conditionals($message)
	{
		if ( !preg_match_all('/\{(!?)if ([a-z0-9_\(\)\|&! ]+)\}(.*?)(?:\{else\}(.*?))?\{\/if\}/is', $message, $matches) )
		{
			return $message;
		}
		foreach ( $matches[0] as $match_id => $full_block )
		{
			// 1 = "not" flag
			// 2 = condition
			// 3 = if true
			// 4 = else
			$condresult = $this->process_condition($matches[2][$match_id]);
			if ( !empty($matches[1][$match_id]) )
			{
				if ( $condresult == 1 )
					$condresult = 2;
				else if ( $condresult == 2 )
					$condresult = 1;
			}
			switch($condresult)
			{
				case 1:
					// evaluated to false
					$message = str_replace_once($full_block, $matches[4][$match_id], $message);
					break;
				case 2:
					// evaluated to true
					$message = str_replace_once($full_block, $matches[3][$match_id], $message);
					break;
				case 3:
					$message = str_replace_once($full_block, "Syntax error: mismatched parentheses (" . htmlspecialchars($matches[2][$match_id]) . ")<br />\n", $message);
					break;
				case 4:
					$message = str_replace_once($full_block, "Syntax error: illegal character (" . htmlspecialchars($matches[2][$match_id]) . ")<br />\n", $message);
					break;
				case 5:
					$message = str_replace_once($full_block, "Syntax error: illegal sequence (" . htmlspecialchars($matches[2][$match_id]) . ")<br />\n", $message);
					break;
			}
		}
		return $message;
	}
	
	/**
 	* Inner-loop parser for a conditional block. Verifies a string condition to make sure it's syntactically correct, then returns what it evaluates to.
 	* Return values:
 	*   1 - string evaluates to true
 	*   2 - string evaluates to false
 	*   3 - Syntax error - mismatched parentheses
 	*   4 - Syntax error - unknown token
 	*   5 - Syntax error - invalid sequence
 	* @param string
 	* @return int
 	* 
 	*/
	
	function process_condition($condition)
	{
		// make sure parentheses are matched
		$parentheses = preg_replace('/[^\(\)]/', '', $condition);
		if ( !empty($parentheses) )
		{
			$i = 0;
			$parentheses = enano_str_split($parentheses);
			foreach ( $parentheses as $chr )
			{
				$inc = ( $chr == '(' ) ? 1 : -1;
				$i += $inc;
			}
			if ( $i != 0 )
			{
				// mismatched parentheses
				return 3;
			}
		}
		// sequencer check
		// first, pad all sequences of characters with spaces
		$seqcheck = preg_replace('/([a-z0-9_]+)/i', '\\1 ', $condition);
		$seqcheck = preg_replace('/([&|()!])/i', '\\1 ', $seqcheck);
		// now shrink all spaces to one space each
		$seqcheck = preg_replace('/[ ]+/', ' ', $seqcheck);
		
		// explode it. the allowed sequences are:
		//   - TOKEN_NOT + TOKEN_VARIABLE
		//   - TOKEN_NOT + TOKEN_PARENTHLEFT
		//   - TOKEN_BOOLOP + TOKEN_NOT
		//   - TOKEN_PARENTHRIGHT + TOKEN_NOT
		//   - TOKEN_VARIABLE + TOKEN_BOOLOP
		//   - TOKEN_BOOLOP + TOKEN_PARENTHLEFT
		//   - TOKEN_PARENTHLEFT + TOKEN_VARIABLE
		//   - TOKEN_BOOLOP + TOKEN_VARIABLE
		//   - TOKEN_VARIABLE + TOKEN_PARENTHRIGHT
		//   - TOKEN_PARENTHRIGHT + TOKEN_BOOLOP
		$seqcheck = explode(' ', trim($seqcheck));
		$last_item = TOKEN_BOOLOP;
		foreach ( $seqcheck as $i => $token )
		{
			// determine type
			if ( $token == '(' )
			{
				$type = TOKEN_PARENTHLEFT;
			}
			else if ( $token == ')' )
			{
				$type = TOKEN_PARENTHRIGHT;
			}
			else if ( $token == '!' )
			{
				$type = TOKEN_NOT;
			}
			else if ( strtolower($token) == 'and' || strtolower($token) == 'or' || $token == '&&' || $token == '||' )
			{
				$type = TOKEN_BOOLOP;
			}
			else if ( preg_match('/^[a-z0-9_]+$/i', $token) )
			{
				$type = TOKEN_VARIABLE;
				// at this point it's considered safe to wrap it
				$seqcheck[$i] = "( isset(\$this->tpl_bool['$token']) && \$this->tpl_bool['$token'] )";
			}
			else
			{
				// syntax error - doesn't match known token types
				return 4;
			}
			// inner sequence check
			if (
 					( $last_item == TOKEN_BOOLOP && $type == TOKEN_NOT ) ||
 					( $last_item == TOKEN_PARENTHRIGHT && $type == TOKEN_NOT ) ||
 					( $last_item == TOKEN_NOT && $type == TOKEN_VARIABLE ) ||
 					( $last_item == TOKEN_NOT && $type == TOKEN_PARENTHLEFT ) ||
 					( $last_item == TOKEN_VARIABLE && $type == TOKEN_BOOLOP ) ||
 					( $last_item == TOKEN_BOOLOP && $type == TOKEN_PARENTHLEFT ) ||
 					( $last_item == TOKEN_PARENTHLEFT && $type == TOKEN_VARIABLE ) ||
 					( $last_item == TOKEN_BOOLOP && $type == TOKEN_VARIABLE ) ||
 					( $last_item == TOKEN_VARIABLE && $type == TOKEN_PARENTHRIGHT ) ||
 					( $last_item == TOKEN_PARENTHRIGHT && $type == TOKEN_BOOLOP )
 				)
			{
				// sequence is good, continue
			}
			else
			{
				// sequence is invalid, break out
				return 5;
			}
			$last_item = $type;
		}
		// passed all checks
		$seqcheck = implode(' ', $seqcheck);
		$result = eval("return ( $seqcheck ) ? true : false;");
		return ( $result ) ? 2 : 1;
	}
	
	/**
 	* Print a text field that auto-completes a username entered into it.
 	* @param string $name - the name of the form field
 	* @return string
 	*/
 	
	function username_field($name, $value = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		
		$value = $value ? htmlspecialchars($value) : false;
		
		$val = $value ? "value=\"" . $value . "\"" : "";
		
		if ( $session->user_id == 1 && getConfig('autofill_username_for_guests', 0) != 1 )
			return "<input name=\"$name\" type=\"text\" size=\"30\" $val />";
		
		$randomid = md5( time() . microtime() . mt_rand() );
		$text = '<input name="'.$name.'" class="autofill username" onkeyup="new AutofillUsername(this);" type="text" size="30" id="userfield_'.$randomid.'" autocomplete="off"';
		if($value) $text .= ' value="'.$value.'"';
		$text .= ' />';
		return $text;
	}
	
	/**
 	* Print a text field that auto-completes a page name entered into it.
 	* @param string $name - the name of the form field
 	* @return string
 	*/
 	
	function pagename_field($name, $value = false)
	{
		$randomid = md5( time() . microtime() . mt_rand() );
		$text = '<input name="'.$name.'" class="autofill page" onkeyup="new AutofillPage(this);" type="text" size="30" id="pagefield_'.$randomid.'" autocomplete="off"';
		if($value) $text .= ' value="'.$value.'"';
		$text .= ' />';
		return $text;
	}
	
	/**
 	* Sends a textarea that can be converted to and from a TinyMCE widget on the fly.
 	* @param string The name of the form element
 	* @param string The initial content. Optional, defaults to blank
 	* @param int Rows in textarea
 	* @param int Columns in textarea
 	* @return string HTML and Javascript code.
 	*/
	
	function tinymce_textarea($name, $content = '', $rows = 20, $cols = 60)
	{
		global $lang;
		$randomid = md5(microtime() . mt_rand());
		$html = '';
		$html .= '<textarea name="' . $name . '" rows="'.$rows.'" cols="'.$cols.'" style="width: 100%;" id="toggleMCEroot_'.$randomid.'">' . $content . '</textarea>';
		
		/*
		$html .= '<div style="float: right; display: table;" id="mceSwitchAgent_' . $randomid . '">' . $lang->get('etc_tinymce_btn_text') . '&nbsp;&nbsp;|&nbsp;&nbsp;<a href="#" onclick="if ( !KILL_SWITCH ) { toggleMCE_'.$randomid.'(); return false; }">' . $lang->get('etc_tinymce_btn_graphical') . '</a></div>';
		$html .= '<script type="text/javascript">
								// <![CDATA[
								function toggleMCE_'.$randomid.'()
								{
									var the_obj = document.getElementById(\'toggleMCEroot_' . $randomid . '\');
									var panel = document.getElementById(\'mceSwitchAgent_' . $randomid . '\');
									var text_editor = $lang.get("etc_tinymce_btn_text");
									var graphical_editor = $lang.get("etc_tinymce_btn_graphical");
									if ( the_obj.dnIsMCE == "yes" )
									{
										$dynano(the_obj).destroyMCE();
										panel.innerHTML = text_editor + \'&nbsp;&nbsp;|&nbsp;&nbsp;<a href="#" onclick="if ( !KILL_SWITCH ) { toggleMCE_'.$randomid.'(); return false; }">\' + graphical_editor + \'</a>\';
									}
									else
									{
										$dynano(the_obj).switchToMCE();
										panel.innerHTML = \'<a href="#" onclick="if ( !KILL_SWITCH ) { toggleMCE_'.$randomid.'(); return false; }">\' + text_editor + \'</a>&nbsp;&nbsp;|&nbsp;&nbsp;\' + graphical_editor;
									}
								}
								// ]]>
							</script>';
		*/
		
		return $html;
	}
	
	/**
 	* Allows individual parsing of template files. Similar to phpBB but follows the spirit of object-oriented programming ;)
 	* Returns on object of class templateIndividual. Usage instructions can be found in the inline docs for that class.
 	* @param $filename the filename of the template to be parsed
 	* @return object
 	*/
 	
	function makeParser($filename)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		$filename = ENANO_ROOT.'/themes/'.$template->theme.'/'.$filename;
		if(!file_exists($filename)) die('templateIndividual: file '.$filename.' does not exist');
		$code = file_get_contents($filename);
		$parser = new templateIndividual($code);
		return $parser;
	}
	
	/**
 	* Same as $template->makeParser(), but takes a string instead of a filename.
 	* @param $text the text to parse
 	* @return object
 	*/
 	
	function makeParserText($code)
	{
		$parser = new templateIndividual($code);
		return $parser;
	}
	
	/**
 	* Fetch the HTML for a plugin-added sidebar block
 	* @param $name the plugin name
 	* @return string
 	*/
 	
	function fetch_block($id, $just_the_innards_maam = false)
	{
		if ( $just_the_innards_maam )
		{
			$source =& $this->plugin_blocks_content;
		}
		else
		{
			$source =& $this->plugin_blocks;
		}
		return isset($source[$id]) ? $source[$id] : false;
	}
	
	/**
 	* Fetches the contents of both sidebars.
 	* @return array - key 0 is left, key 1 is right, key 2 is the HTML that makes up an empty sidebar
 	* @example list($left, $right) = $template->fetch_sidebar();
 	*/
	
	function fetch_sidebar()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		
		// first, check the cache
		if ( $result = $this->fetch_cached_sidebar() )
		{
			return $result;
		}
		
		require(ENANO_ROOT . "/themes/{$this->theme}/theme.cfg");
		
		profiler_log('Started sidebar parsing');
		
		// init our block contents
		$left = '';
		$right = '';
		$min = '';
		
		// also might want the links block
		if ( !$this->fetch_block('Links') )
			$this->initLinksWidget();
		
		// templates to work with
		$vars = $this->extract_vars('elements.tpl');
		
		// sidebar_top and sidebar_bottom are HTML that is prepended/appended to sidebar content. Themes can
		// choose whether or not to display a sidebar depending on whether the sidebar is empty ( $left == $min )
		// or not using the sidebar_left and sidebar_right template booleans (the oxygen theme does this).
		if ( isset($vars['sidebar_top']) ) 
		{
			$top = $this->parse($vars['sidebar_top']);
			$left  .= $top;
			$right .= $top;
			$min .= $top;
		}
		
		// grab the blocks from the DB
		$q = $db->sql_query('SELECT item_id,sidebar_id,block_name,block_type,block_content FROM '.table_prefix.'sidebar' . "\n"
 													. '  WHERE item_enabled=1 ORDER BY sidebar_id ASC, item_order ASC;');
		if ( !$q )
			$db->_die('The sidebar text data could not be selected.');
		
		// explicitly specify $q in case a plugin or PHP block makes a query
		while ( $row = $db->fetchrow($q) )
		{
			// should we skip this block?
			if (
					( $row['item_id'] === 2 && !empty($theme['sb_hide_tools']) ) ||
					( $row['item_id'] === 3 && !empty($theme['sb_hide_user']) ) ||
					( $row['item_id'] === 4 && !empty($theme['sb_hide_search']) )
				)
				continue;
			
			// format the block
			$block_content = $this->format_sidebar_block($row, $vars, $parser);
			
			// is there a {restrict} or {hideif} block?
			if ( preg_match('/\{(restrict|hideif) ([a-z0-9_\(\)\|&! ]+)\}/', $block_content, $match) )
			{
				// we have one, check the condition
				$type =& $match[1];
				$cond =& $match[2];
				$result = $this->process_condition($cond);
				if ( ( $type == 'restrict' && $result == 1 ) || ( $type == 'hideif' && $result == 2 ) )
				{
					// throw out this block, it's hidden for whatever reason by the sidebar script
					continue;
				}
				// didn't get a match, so hide the conditional logic
				// FIXME: this needs to be verbose about syntax errors
				$block_content = str_replace_once($match[0], '', $block_content);
			}
			
			// if we made it here, this block definitely needs to be displayed. send it to the
			// parser (set by format_sidebar_block) and decide where to append it (but not in that order ;))
			$appender = false;
			
			if ( $row['sidebar_id'] == SIDEBAR_LEFT )
			{
				$appender =& $left;
			}
			else if ( $row['sidebar_id'] == SIDEBAR_RIGHT )
			{
				$appender =& $right;
			}
			else
			{
				// uhoh, block_id isn't valid. maybe a plugin wants to put this block somewhere else?
				$code = $plugins->setHook('sidebar_block_id');
				foreach ( $code as $cmd )
				{
					eval($cmd);
				}
				// if $appender wasn't set by a plugin, don't parse this block to save some CPU cycles
				if ( !$appender )
				{
					continue;
				}
			}
			
			// assign variables to parser
			$block_name = $this->tplWikiFormat($row['block_name']);
			$parser->assign_vars(array(
					// be nice and format the title (FIXME, does this use a lot of CPU time? still needs l10n in some cases though)
					'TITLE' => $block_name,
					'CONTENT' => $block_content
				));
			$parsed = $parser->run();
			
			// plugins are parsed earlier due to the way disabled/missing plugins that add sidebar blocks are
			// handled, so the {TITLE} var won't be replaced until now. this allows completely eliminating a
			// block if it's not available
			if ( $row['block_type'] == BLOCK_PLUGIN )
			{
				$parsed = str_replace('{TITLE}', $block_name, $parsed);
			}
			
			// done parsing - append and continue
			$appender .= $parsed;
			
			// we're done with this - unset it because it's a reference and we don't want it overwritten.
			// also free the parser to get some RAM back
			unset($appender, $parser);
		}
		
		// lastly, append any footer HTML
		if(isset($vars['sidebar_bottom'])) 
		{
			$bottom = $this->parse($vars['sidebar_bottom']);
			$left  .= $bottom;
			$right .= $bottom;
			$min   .= $bottom;
		}
		
		$return = array($left, $right, $min);
		
		// allow any plugins to append what they want to the return
		$code = $plugins->setHook('sidebar_fetch_return');
		foreach ( $code as $cmd )
		{
			eval($cmd);
		}
		
		// cache the result if appropriate
		$this->cache_compiled_sidebar($return);
		
		profiler_log('Finished sidebar parsing');
		
		return $return;
	}
	
	/**
 	* Runs the appropriate formatting routine on a sidebar row.
 	* @param array Row in sidebar table
 	* @param array Template variable set from elements.tpl
 	* @param null Pass by reference, will be filled with the parser according to the block's type (sidebar_section or sidebar_section_raw)
 	* @return string HTML + directives like {restrict} or {hideif}
 	*/
	
	function format_sidebar_block($row, $vars, &$parser)
	{
		// import globals in case a PHP block wants to call the Enano API
		global $db, $session, $paths, $template, $plugins; // Common objects
		
		$parser = null;
		
		switch($row['block_type'])
		{
			case BLOCK_WIKIFORMAT:
				$parser = $this->makeParserText($vars['sidebar_section_raw']);
				$c = RenderMan::render($row['block_content']);
				break;
				
			case BLOCK_TEMPLATEFORMAT:
				$parser = $this->makeParserText($vars['sidebar_section']);
				$c = $this->tplWikiFormat($row['block_content']);
				break;
				
			case BLOCK_HTML:
				$parser = $this->makeParserText($vars['sidebar_section_raw']);
				$c = $row['block_content'];
				break;
				
			case BLOCK_PHP:
				// PHP blocks need to be sent directly to eval()
				$parser = $this->makeParserText($vars['sidebar_section_raw']);
				ob_start();
				@eval($row['block_content']);
				$c = ob_get_contents();
				ob_end_clean();
				break;
				
			case BLOCK_PLUGIN:
				$parser = $this->makeParserText('{CONTENT}');
				$c = '<!-- PLUGIN -->' . (gettype($this->fetch_block($row['block_content'])) == 'string') ?
								$this->fetch_block($row['block_content']) :
								// This used to say "can't find plugin block" but I think it's more friendly to just silently hide it.
								'';
				break;
			default:
				// unknown block type - can a plugin handle it?
				$code = $plugins->setHook('format_sidebar_block');
				foreach ( $code as $cmd )
				{
					eval($cmd);
				}
				if ( !isset($c) )
				{
					// default to wiki formatting (this was going to be straight HTML but this is done for backwards compatibility reasons)
					$c = RenderMan::render($row['block_content']);
				}
				if ( !$parser )
				{
					// no parser defined, use the "raw" section by default (plugins are more likely to want raw content
					// rather than a list of links, and they can set the parser to use sidebar_section if they want)
					$parser = $this->makeParserText($vars['sidebar_section_raw']);
				}
				
				break;
		}
		
		return $c;
	}
	
	/**
 	* Returns the list of things that should not be cached (sorry, I was listening to "The Thing That Should Not Be" by Metallica when I
 	* wrote this routine. You should get a copy of Master of Puppets, it's a damn good album.)
 	* @return array
 	*/
	
	function get_cache_replacements()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		
		return array(
					'$LOGIN_LINK$' => $this->tpl_strings['LOGIN_LINK'],
					'$MAIN_PAGE$' => $this->tpl_strings['MAIN_PAGE'],
					'$USERNAME$' => $session->username
				);
	}
	
	/**
 	* Attempts to load a cached compiled sidebar.
 	* @return array Same format as fetch_sidebar()
 	*/
	
	function fetch_cached_sidebar()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $cache;
		
		$cached = false;
		if ( ($result = $cache->fetch('anon_sidebar')) && !$session->user_logged_in )
		{
			if ( isset($result[$this->theme]) )
			{
				$cached = $result[$this->theme];
			}
		}
		
		// if we haven't been able to fetch yet, see if a plugin wants to give us something
		if ( !$cached )
		{
			$code = $plugins->setHook('fetch_cached_sidebar');
			foreach ( $code as $cmd )
			{
				eval($cmd);
			}
		} 
		
		if ( is_array($cached) )
		{
			// fetch certain variables that can't be stored in the cache and quickly substitute
			$replace = $this->get_cache_replacements();
			foreach ( $cached as &$val )
			{
				$val = strtr($val, $replace);
			}
			
			// done processing, send it back
			return $cached;
		}
		
		return false;
	}
	
	/**
 	* Caches a completely compiled sidebar, if appropriate
 	* @param array Effectively, return from fetch_sidebar()
 	*/
	
	function cache_compiled_sidebar($sidebar)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $cache;
		
		// check if conditions are right
		if ( !$session->user_logged_in && getConfig('cache_thumbs') === '1' )
		{
			// load any existing cache to make sure other themes' cached sidebars aren't discarded
			$cached = ( $_ = $cache->fetch('anon_sidebar') ) ? $_ : array();
			
			// replace variables
			$replace = array_flip($this->get_cache_replacements());
			
			foreach ( $sidebar as &$section )
			{
				$section = strtr($section, $replace);
			}
			
			// compile
			$cached[$this->theme] = $sidebar;
			
			// store
			$cache->store('anon_sidebar', $cached, 15);
		}
	}
	
	function initLinksWidget()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		
		// SourceForge/W3C buttons
		$ob = Array();
		if(getConfig('sflogo_enabled')=='1')
		{
			$sflogo_secure = ( isset($_SERVER['HTTPS']) ) ? 'https' : 'http';
			$ob[] = '<a style="text-align: center;" href="http://sourceforge.net/" onclick="if ( !KILL_SWITCH ) { window.open(this.href);return false; }"><img style="border-width: 0px;" alt="SourceForge.net Logo" src="' . $sflogo_secure . '://sflogo.sourceforge.net/sflogo.php?group_id='.getConfig('sflogo_groupid').'&amp;type='.getConfig('sflogo_type').'" /></a>';
		}
		if(getConfig('w3c_v32')     =='1') $ob[] = '<a style="text-align: center;" href="http://validator.w3.org/check?uri=referer" onclick="if ( !KILL_SWITCH ) { window.open(this.href);return false; }"><img style="border: 0px solid #FFFFFF;" alt="Valid HTML 3.2"  src="http://www.w3.org/Icons/valid-html32" /></a>';
		if(getConfig('w3c_v40')     =='1') $ob[] = '<a style="text-align: center;" href="http://validator.w3.org/check?uri=referer" onclick="if ( !KILL_SWITCH ) { window.open(this.href);return false; }"><img style="border: 0px solid #FFFFFF;" alt="Valid HTML 4.0"  src="http://www.w3.org/Icons/valid-html40" /></a>';
		if(getConfig('w3c_v401')    =='1') $ob[] = '<a style="text-align: center;" href="http://validator.w3.org/check?uri=referer" onclick="if ( !KILL_SWITCH ) { window.open(this.href);return false; }"><img style="border: 0px solid #FFFFFF;" alt="Valid HTML 4.01" src="http://www.w3.org/Icons/valid-html401" /></a>';
		if(getConfig('w3c_vxhtml10')=='1') $ob[] = '<a style="text-align: center;" href="http://validator.w3.org/check?uri=referer" onclick="if ( !KILL_SWITCH ) { window.open(this.href);return false; }"><img style="border: 0px solid #FFFFFF;" alt="Valid XHTML 1.0" src="http://www.w3.org/Icons/valid-xhtml10" /></a>';
		if(getConfig('w3c_vxhtml11')=='1') $ob[] = '<a style="text-align: center;" href="http://validator.w3.org/check?uri=referer" onclick="if ( !KILL_SWITCH ) { window.open(this.href);return false; }"><img style="border: 0px solid #FFFFFF;" alt="Valid XHTML 1.1" src="http://www.w3.org/Icons/valid-xhtml11" /></a>';
		if(getConfig('w3c_vcss')    =='1') $ob[] = '<a style="text-align: center;" href="http://validator.w3.org/check?uri=referer" onclick="if ( !KILL_SWITCH ) { window.open(this.href);return false; }"><img style="border: 0px solid #FFFFFF;" alt="Valid CSS"       src="http://www.w3.org/Icons/valid-css" /></a>';
		if(getConfig('dbd_button')  =='1') $ob[] = '<a style="text-align: center;" href="http://www.defectivebydesign.org/join/button" onclick="if ( !KILL_SWITCH ) { window.open(this.href);return false; }"><img style="border: 0px solid #FFFFFF;" alt="DRM technology restricts what you can do with your computer" src="' . cdnPath . '/images/defectivebydesign.png" /><br /><small>Protect your freedom >></small></a>';
		
		$code = $plugins->setHook('links_widget');
		foreach ( $code as $cmd )
		{
			eval($cmd);
		}
		
		if(count($ob) > 0 || getConfig('powered_btn', '1') == '1') $sb_links = '<div style="text-align: center; padding: 5px 0;">'. ( ( getConfig('powered_btn', '1') == '1' ) ? $this->fading_button : '' ) . implode('<br />', $ob).'</div>';
		else $sb_links = '';
		
		$this->sidebar_widget('Links', $sb_links);
	}
	
	/**
 	* Builds a box showing unread private messages.
 	*/
	
	function notify_unread_pms()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		if ( ( $paths->page_id == 'PrivateMessages' || $paths->page_id == 'Preferences' ) && $paths->namespace == 'Special' )
		{
			return '';
		}
		$ob = '<div class="usermessage">'."\n";
		$s = ( $session->unread_pms == 1 ) ? '' : 's';
		$ob .= "  <b>You have $session->unread_pms <a href=" . '"' . makeUrlNS('Special', 'PrivateMessages' ) . '"' . ">unread private message$s</a>.</b><br />\n  Messages: ";
		$q = $db->sql_query('SELECT message_id,message_from,subject,date FROM '.table_prefix.'privmsgs WHERE message_to=\'' . $session->username . '\' AND message_read=0 ORDER BY date DESC;');
		if ( !$q )
			$db->_die();
		$messages = array();
		while ( $row = $db->fetchrow() )
		{
			$messages[] = '<a href="' . makeUrlNS('Special', 'PrivateMessages/View/' . $row['message_id']) . '" title="Sent ' . enano_date(ED_DATE | ED_TIME, $row['date']) . ' by ' . $row['message_from'] . '">' . $row['subject'] . '</a>';
		}
		$ob .= implode(",\n    " , $messages)."\n";
		$ob .= '</div>'."\n";
		return $ob;
	}
	
	/**
 	* Parse a system message.
 	* @param string message
 	* @return string
 	*/
	
	function parse_system_message($text)
	{
		ob_start();
		eval( '?>' . $text );
		$result = ob_get_contents();
		ob_end_clean();
		return $this->parse($result);
	}
	
	/**
 	* Return the wiki mode edit notice, rendered and addslashes()'ed.
 	* @return string
 	*/
	
	function get_wiki_edit_notice()
	{
		global $cache;
		
		if ( getConfig('wiki_edit_notice', 0) != 1 )
			return '';
		
		$notice = RenderMan::render(getConfig('wiki_edit_notice_text'));
		return $notice;
	}
	
} // class template

/**
 * The core of the template compilation engine. Independent from the Enano API for failsafe operation.
 * @param string text to process
 * @return string Compiled PHP code
 * @access private
 */

function template_compiler_core($text)
{
	global $db, $session, $paths, $template, $plugins; // Common objects
	// A random seed used to salt tags
	$seed = md5 ( microtime() . mt_rand() );
	
	// Strip out PHP sections
	preg_match_all('/<\?php(.+?)\?>/is', $text, $php_matches);
	
	foreach ( $php_matches[0] as $i => $match )
	{
		// Substitute the PHP section with a random tag
		$tag = "{PHP:$i:$seed}";
		$text = str_replace_once($match, $tag, $text);
	}
	
	// Escape slashes and single quotes in template code
	$text = str_replace('\\', '\\\\', $text);
	$text = str_replace('\'', '\\\'', $text);
	
	// Initialize the PHP compiled code
	$text = 'ob_start(); global $paths, $template; echo \''.$text.'\'; $tpl_code = ob_get_contents(); ob_end_clean(); return $tpl_code;';
	
	##
	## Main rules
	##
	
	//
	// Conditionals
	//
	
	$keywords = array('BEGIN', 'BEGINNOT', 'IFSET', 'IFPLUGIN');
	
	// only do this if the plugins API is loaded
	if ( is_object(@$plugins) )
	{
		$code = $plugins->setHook('template_compile_logic_keyword');
		foreach ( $code as $cmd )
		{
			eval($cmd);
		}
	}
	
	$keywords = implode('|', $keywords);
	
	// Matches
	//          1     2                 3                 4   56                       7     8        9
	$regexp = '/(<!-- ?(' . $keywords . ') ([A-z0-9_-]+) ?-->)([\w\W]*)((<!-- ?BEGINELSE \\3 ?-->)([\w\W]*))?(<!-- ?END(IF)? \\3 ?-->)/isU';
	
	/*
	The way this works is: match all blocks using the standard form with a different keyword in the block each time,
	and replace them with appropriate PHP logic. Plugin-extensible now. :-)
	*/
	
	// This is a workaround for what seems like a PCRE bug
	while ( preg_match_all($regexp, $text, $matches) )
	{
	
	for ( $i = 0; $i < count($matches[0]); $i++ )
	{
		$start_tag =& $matches[1][$i];
		$type =& $matches[2][$i];
		$test =& $matches[3][$i];
		$particle_true  =& $matches[4][$i];
		$else_tag =& $matches[6][$i];
		$particle_else =& $matches[7][$i];
		$end_tag =& $matches[8][$i];
		
		switch($type)
		{
			case 'BEGIN':
				$cond = "isset(\$this->tpl_bool['$test']) && \$this->tpl_bool['$test']";
				break;
			case 'BEGINNOT':
				$cond = "!isset(\$this->tpl_bool['$test']) || ( isset(\$this->tpl_bool['$test']) && !\$this->tpl_bool['$test'] )";
				break;
			case 'IFPLUGIN':
				$cond = "getConfig('plugin_$test') == '1'";
				break;
			case 'IFSET':
				$cond = "isset(\$this->tpl_strings['$test'])";
				break;
			default:
				// only do this if the plugins API is loaded
				if ( is_object(@$plugins) )
				{
					$code = $plugins->setHook('template_compile_logic_cond');
					foreach ( $code as $cmd )
					{
						eval($cmd);
					}
				}
				break;
		}
		
		if ( !isset($cond) || ( isset($cond) && !is_string($cond) ) )
			continue;
		
		$tag_complete = <<<TPLCODE
';
		/* START OF CONDITION: $type ($test) */
		if ( $cond )
		{
			echo '$particle_true';
		/* ELSE OF CONDITION: $type ($test) */
		}
		else
		{
			echo '$particle_else';
		/* END OF CONDITION: $type ($test) */
		}
		echo '
TPLCODE;
		
		$text = str_replace_once($matches[0][$i], $tag_complete, $text);
	}
	}
	
	// For debugging ;-)
	// die("<pre>&lt;?php\n" . htmlspecialchars($text."\n\n".print_r($matches,true)) . "\n\n?&gt;</pre>");
	
	//
	// Data substitution/variables
	//
	
	// System messages
	$text = preg_replace('/<!-- SYSMSG ([A-z0-9\._-]+?) -->/is', '\' . $this->parse_system_message($paths->sysMsg(\'\\1\')) . \'', $text);
	
	// Hooks
	$text = preg_replace('/<!-- HOOK ([A-z0-9_]+) -->/', '\' . $this->get_theme_hook(\'\\1\') . \'', $text);
	
	// only do this if the plugins API is loaded
	if ( is_object(@$plugins) )
	{
		$code = $plugins->setHook('template_compile_subst');
		foreach ( $code as $cmd )
		{
			eval($cmd);
		}
	}
	
	// Template variables
	$text = preg_replace('/\{([A-z0-9_-]+?)\}/is', '\' . $this->tpl_strings[\'\\1\'] . \'', $text);
	
	// Reinsert PHP
	
	foreach ( $php_matches[1] as $i => $match )
	{
		// Substitute the random tag with the "real" PHP code
		$tag = "{PHP:$i:$seed}";
		$text = str_replace_once($tag, "'; $match echo '", $text);
	}
	
	// echo('<pre>' . htmlspecialchars($text) . '</pre>');
	
	return $text;
}

/**
 * Handles parsing of an individual template file. Instances should only be created through $template->makeParser(). To use:
 *   - Call $template->makeParser(template file name) - file name should be something.tpl, css/whatever.css, etc.
 *   - Make an array of strings you want the template to access. $array['STRING'] would be referenced in the template like {STRING}
 *   - Make an array of boolean values. These can be used for conditionals in the template (<!-- IF something --> whatever <!-- ENDIF something -->)
 *   - Call assign_vars() to pass the strings to the template parser. Same thing with assign_bool().
 *   - Call run() to parse the template and get your fully compiled HTML.
 * @access private
 */

class templateIndividual extends template
{
	var $tpl_strings, $tpl_bool, $tpl_code;
	var $compiled = false;
	/**
 	* Constructor.
 	*/
	function __construct($text)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		$this->tpl_code = $text;
		$this->tpl_strings = $template->tpl_strings;
		// echo 'templateIndividual init. Using strings: <pre>' . htmlspecialchars(print_r($this->tpl_strings, true)) . '</pre>';
		$this->tpl_bool = $template->tpl_bool;
	}
	/**
 	* PHP 4 constructor. Deprecated in 1.1.x.
 	*/
	/*
	function templateIndividual($text)
	{
		$this->__construct($text);
	}
	*/
	
	/**
 	* Assigns an array of string values to the template. Strings can be accessed from the template by inserting {KEY_NAME} in the template file.
 	* @param $vars array
 	*/
	
	// We add the unused variable $from_internal here to silence "declaration should be compatible" errors
	function assign_vars($vars, $from_internal = false)
	{
		$this->tpl_strings = array_merge($this->tpl_strings, $vars);
	}
	
	/**
 	* Assigns an array of boolean values to the template. These can be used for <!-- IF ... --> statements.
 	* @param $vars array
 	*/
	
	// We add the unused variable $from_internal here to silence "declaration should be compatible" errors
	function assign_bool($vars, $from_internal = false)
	{
		$this->tpl_bool = array_merge($this->tpl_bool, $vars);
	}
	
	/**
 	* Compiles and executes the template code.
 	* @return string
 	*/
	function run()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		if(!$this->compiled)
		{
			$this->tpl_code = $this->compile_template_text($this->tpl_code);
			$this->compiled = true;
		}
		return eval($this->tpl_code);
	}
}

/**
 * A version of the template compiler that does not rely at all on the other parts of Enano. Used during installation and for showing
 * "critical error" messages. ** REQUIRES ** the Oxygen theme.
 */

class template_nodb
{
	var $fading_button, $tpl_strings, $tpl_bool, $theme, $style, $no_headers, $additional_headers, $sidebar_extra, $sidebar_widgets, $toolbar_menu, $theme_list, $named_theme_list;
	function __construct()
	{
		$this->tpl_bool    = Array();
		$this->tpl_strings = Array();
		$this->sidebar_extra = '';
		$this->sidebar_widgets = '';
		$this->toolbar_menu = '';
		$this->additional_headers = '<style type="text/css">div.pagenav { border-top: 1px solid #CCC; padding-top: 7px; margin-top: 10px; }</style>';
		
		$this->fading_button = '<div style="background-image: url('.scriptPath.'/images/about-powered-enano-hover.png); background-repeat: no-repeat; width: 88px; height: 31px; margin: 0 auto 5px auto;">
															<a href="http://enanocms.org/" onclick="window.open(this.href); return false;"><img style="border-width: 0;" alt=" " src="'.scriptPath.'/images/about-powered-enano.png" onmouseover="domOpacity(this, 100, 0, 500);" onmouseout="domOpacity(this, 0, 100, 500);" /></a>
														</div>';
		
		// get list of themes
		$this->theme_list = array();
		$this->named_theme_list = array();
		$order = 0;
		
		if ( $dir = @opendir( ENANO_ROOT . '/themes' ) )
		{
			while ( $dh = @readdir($dir) )
			{
				if ( $dh == '.' || $dh == '..' || !is_dir( ENANO_ROOT . "/themes/$dh" ) )
					continue;
				$theme_dir = ENANO_ROOT . "/themes/$dh";
				if ( !file_exists("$theme_dir/theme.cfg") )
					continue;
				$data = array(
						'theme_id' => $dh,
						'theme_name' => ucwords($dh),
						'enabled' => 1,
						'theme_order' => ++$order,
						'default_style' => $this->get_default_style($dh)
					);
				$this->named_theme_list[$dh] = $data;
				$this->theme_list[] =& $this->named_theme_list[$dh];
			}
			@closedir($dir);
		}
	}
	function template() {
		$this->__construct();
	}
	function get_default_style($theme_id)
	{
		if ( !is_dir( ENANO_ROOT . "/themes/$theme_id/css" ) )
			return false;
		$ds = false;
		if ( $dh = @opendir( ENANO_ROOT . "/themes/$theme_id/css" ) )
		{
			while ( $dir = @readdir($dh) )
			{
				if ( !preg_match('/\.css$/', $dir) )
					continue;
				if ( $dir == '_printable.css' )
					continue;
				$ds = preg_replace('/\.css$/', '', $dir);
				break;
			}
			closedir($dh);
		}
		else
		{
			return false;
		}
		return $ds;
	}
	function get_css($s = false)
	{
		if ( $s )
			return $this->process_template('css/'.$s);
		else
			return $this->process_template('css/'.$this->style.'.css');
	}
	function load_theme($name, $css, $auto_init = true)
	{
		if ( !isset($this->named_theme_list[$name]) )
			$name = $this->theme_list[0]['theme_id'];
		
		if ( !file_exists(ENANO_ROOT . "/themes/$name/css/$css.css") )
			$css = $this->named_theme_list[$name]['default_style'];
		
		$this->theme = $name;
		$this->style = $css;
		
		$this->tpl_strings['SCRIPTPATH'] = scriptPath;
		if ( $auto_init )
			$this->init_vars();
	}
	function add_header($html)
	{
		$this->additional_headers .= "\n<!-- ----------------------------------------------------------- -->\n\n    " . $html;
	}
	function init_vars()
	{
		global $sideinfo;
		global $this_page;
		global $lang;
		global $db, $session, $paths, $template, $plugins; // Common objects
		$tplvars = $this->extract_vars('elements.tpl');
		$tb = '';
		// Get the "article" button text (depends on namespace)
		if(defined('IN_ENANO_INSTALL') && is_object($lang)) $ns = $lang->get('meta_btn_article');
		else if ( isset($GLOBALS['article_btn']) ) $ns = $GLOBALS['article_btn'];
		else $ns = 'system error page';
		$t = str_replace('{FLAGS}', 'onclick="return false;" class="current" title="Hey! A button that doesn\'t do anything. Clever..." accesskey="a"', $tplvars['toolbar_button']);
		$t = str_replace('{HREF}', '#', $t);
		$t = str_replace('{TEXT}', $ns, $t);
		$tb .= $t;
		
		// Page toolbar
		
		$this->tpl_bool = Array(
			'auth_admin'=>true,
			'user_logged_in'=>true,
			'right_sidebar'=>false,
			);
		$this->tpl_bool['in_sidebar_admin'] = false;
		
		$this->tpl_bool['auth_rename'] = false;
		
		$asq = $asa = '';
		
		$this->tpl_bool['fixed_menus'] = false;
		$slink = defined('IN_ENANO_INSTALL') ? scriptPath.'/install.php?mode=css' : makeUrlNS('Special', 'CSS');
		
		$title = ( is_object($paths) ) ? $paths->page : 'Critical error';
		
		$headers = '<style type="text/css">div.pagenav { border-top: 1px solid #CCC; padding-top: 7px; margin-top: 10px; }</style>';
		
		$js_dynamic = '';
		if ( defined('IN_ENANO_INSTALL') )
		{
			$js_dynamic .= '<script type="text/javascript" src="install.php?mode=langjs"></script>';
		}
		$js_dynamic .= '<script type="text/javascript">var title="'. $title .'"; var scriptPath="'.scriptPath.'"; var cdnPath="'.scriptPath.'"; var ENANO_SID=""; var AES_BITS='.AES_BITS.'; var AES_BLOCKSIZE=' . AES_BLOCKSIZE . '; var pagepass=\'\'; var ENANO_LANG_ID = 1; var enano_version = \'' . enano_version() . '\'; var msg_loading_component = \'Loading %component%...\';</script>';
		
		global $site_name, $site_desc;
		$site_default_name = ( !empty($site_name) ) ? $site_name : 'Critical error';
		$site_default_desc = ( !empty($site_desc) ) ? $site_desc : 'This site is experiencing a problem and cannot load.';
		
		$site_name_final = ( defined('IN_ENANO_INSTALL') && is_object($lang) ) ? $lang->get('meta_site_name') : $site_default_name;
		$site_desc_final = ( defined('IN_ENANO_INSTALL') && is_object($lang) ) ? $lang->get('meta_site_desc') : $site_default_desc;
		
		// The rewritten template engine will process all required vars during the load_template stage instead of (cough) re-processing everything each time around.
		$tpl_strings = Array(
			'PAGE_NAME'=>$this_page,
			'PAGE_URLNAME'=>'Null',
			'SITE_NAME' => $site_name_final,
			'USERNAME'=>'admin',
			'SITE_DESC' => $site_desc_final,
			'TOOLBAR'=>$tb,
			'SCRIPTPATH'=>scriptPath,
			'CONTENTPATH'=>contentPath,
			'CDNPATH' => scriptPath,
			'JS_HEADER' => '<script type="text/javascript" src="' . scriptPath . '/includes/clientside/static/enano-lib-basic.js"></script>',
			'JS_FOOTER' => '',
			'ADMIN_SID_QUES'=>$asq,
			'ADMIN_SID_AMP'=>$asa,
			'ADMIN_SID_AMP_HTML'=>'',
			'ADDITIONAL_HEADERS'=>$this->additional_headers,
			'SIDEBAR_EXTRA'=>'',
			'COPYRIGHT'=>( defined('IN_ENANO_INSTALL') && is_object($lang) ) ? $lang->get('meta_enano_copyright') : ( defined('ENANO_CONFIG_FETCHED') ? getConfig('copyright_notice') : '' ),
			'TOOLBAR_EXTRAS'=>'',
			'REQUEST_URI'=>( isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '' ).$_SERVER['REQUEST_URI'],
			'STYLE_LINK'=>$slink,
			'LOGOUT_LINK'=>'',
			'THEME_LINK'=>'',
			'TEMPLATE_DIR'=>scriptPath.'/themes/'.$this->theme,
			'THEME_ID'=>$this->theme,
			'STYLE_ID'=>$this->style,
			'JS_DYNAMIC_VARS'=>$js_dynamic,
			'SIDEBAR_RIGHT'=>'',
			'REPORT_URI' => '',
			'URL_ABOUT_ENANO' => 'http://enanocms.org/',
			'ENANO_VERSION' => enano_version()
			);
		$this->tpl_strings = array_merge($tpl_strings, $this->tpl_strings);
		
		$sidebar = ( is_array(@$sideinfo) ) ? $sideinfo : '';
		if ( $sidebar != '' )
		{
			if ( isset($tplvars['sidebar_top']) )
			{
				$text = $this->makeParserText($tplvars['sidebar_top']);
				$top = $text->run();
			}
			else
			{
				$top = '';
			}
			
			$p = $this->makeParserText($tplvars['sidebar_section']);
			$b = $this->makeParserText($tplvars['sidebar_button']);
			$sidebar_text = '';
			
			foreach ( $sidebar as $title => $links )
			{
				$p->assign_vars(array(
					'TITLE' => $title
				));
				// build content
				$content = '';
				foreach ( $links as $link_text => $url )
				{
					$b->assign_vars(array(
						'HREF' => htmlspecialchars($url),
						'FLAGS' => '',
						'TEXT' => $link_text
					));
					$content .= $b->run();
				}
				$p->assign_vars(array(
					'CONTENT' => $content
				));
				$sidebar_text .= $p->run();
			}
			
			if ( isset($tplvars['sidebar_bottom']) )
			{
				$text = $this->makeParserText($tplvars['sidebar_bottom']);
				$bottom = $text->run();
			}
			else
			{
				$bottom = '';
			}
			$sidebar = $top . $sidebar_text . $bottom;
		}
		$this->tpl_strings['SIDEBAR_LEFT'] = $sidebar;
		
		$this->tpl_bool['sidebar_left']  = ( $this->tpl_strings['SIDEBAR_LEFT']  != '') ? true : false;
		$this->tpl_bool['sidebar_right'] = ( $this->tpl_strings['SIDEBAR_RIGHT'] != '') ? true : false;
		$this->tpl_bool['right_sidebar'] = $this->tpl_bool['sidebar_right']; // backward compatibility
		$this->tpl_bool['stupid_mode'] = true;
	}
	function header($simple = false) 
	{
		$filename = ( $simple ) ? 'simple-header.tpl' : 'header.tpl';
		if ( !$this->no_headers )
		{
			echo $this->process_template($filename);
		}
	}
	function footer($simple = false)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		global $lang;
		
		if(!$this->no_headers) {
			global $_starttime;
			
			$filename = ( $simple ) ? 'simple-footer.tpl' : 'footer.tpl';
			$t = $this->process_template($filename);
			
			$f = microtime_float();
			$f = $f - $_starttime;
			$f = round($f, 4);
			
			if ( is_object($lang) )
			{
				$t_loc = $lang->get('page_msg_stats_gentime_short', array('time' => $f));
				$t_loc_long = $lang->get('page_msg_stats_gentime_long', array('time' => $f));
				$q_loc = '<a href="' . $this->tpl_strings['REPORT_URI'] . '">' . $lang->get('page_msg_stats_sql', array('nq' => ( is_object($db) ? $db->num_queries : 'N/A' ))) . '</a>';
				$dbg = $t_loc;
				$dbg_long = $t_loc_long;
				if ( $session->user_level >= USER_LEVEL_ADMIN )
				{
					$dbg .= "&nbsp;&nbsp;|&nbsp;&nbsp;$q_loc";
					$dbg_long .= "&nbsp;&nbsp;|&nbsp;&nbsp;$q_loc";
				}
				$t = str_replace('[[EnanoPoweredLink]]', $lang->get('page_enano_powered', array('about_uri' => $this->tpl_strings['URL_ABOUT_ENANO'])), $t);
				$t = str_replace('[[EnanoPoweredLinkLong]]', $lang->get('page_enano_powered_long', array('about_uri' => $this->tpl_strings['URL_ABOUT_ENANO'])), $t);
			}
			else
			{
				$t_loc = "Time: {$f}s";
				$t_loc_long = "Generated in {$f}sec";
				$q_loc = '<a href="' . $this->tpl_strings['REPORT_URI'] . '">' . ( is_object($db) ? "{$db->num_queries} SQL" : 'Queries: N/A' ) . '</a>';
				$dbg = $t_loc;
				$dbg_long = $t_loc_long;
				if ( is_object($session) )
				{
					if ( $session->user_level >= USER_LEVEL_ADMIN )
					{
						$dbg .= "&nbsp;&nbsp;|&nbsp;&nbsp;$q_loc";
						$dbg_long .= "&nbsp;&nbsp;|&nbsp;&nbsp;$q_loc";
					}
				}
				$t = str_replace('[[EnanoPoweredLink]]', 'Powered by <a href="http://enanocms.org/" onclick="window.open(this.href); return false;">Enano</a>', $t);
				$t = str_replace('[[EnanoPoweredLinkLong]]', 'Website engine powered by <a href="http://enanocms.org/" onclick="window.open(this.href); return false;">Enano</a>', $t);
			}
			
			$t = str_replace('[[Stats]]', $dbg, $t);
			$t = str_replace('[[StatsLong]]', $dbg_long, $t);
			$t = str_replace('[[NumQueries]]', ( is_object($db) ? (string)$db->num_queries : '0' ), $t);
			$t = str_replace('[[GenTime]]', (string)$f, $t);
			$t = str_replace('[[NumQueriesLoc]]', $q_loc, $t);
			$t = str_replace('[[GenTimeLoc]]', $t_loc, $t);
			
			if ( defined('ENANO_PROFILE') )
			{
				$t = str_replace('</body>', '<div id="profile" style="margin: 10px;">' . profiler_make_html() . '</div></body>', $t);
			}
			
			echo $t;
		}
		else return '';
	}
	function getHeader()
	{
		if(!$this->no_headers) return $this->process_template('header.tpl');
		else return '';
	}
	function getFooter()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		if(!$this->no_headers) {
			global $_starttime;
			$f = microtime(true);
			$f = $f - $_starttime;
			$f = round($f, 4);
			if(defined('IN_ENANO_INSTALL')) $nq = 'N/A';
			else $nq = $db->num_queries;
			if($nq == 0) $nq = 'N/A';
			$dbg = 'Time: '.$f.'s  |  Queries: '.$nq;
			if($nq == 0) $nq = 'N/A';
			$t = $this->process_template('footer.tpl');
			$t = str_replace('[[Stats]]', $dbg, $t);
			return $t;
		}
		else return '';
	}
	
	function process_template($file)
	{
		$compiled = $this->compile_template($file);
		$result = eval($compiled);
		return $result;
	}
	
	function extract_vars($file) {
		global $db, $session, $paths, $template, $plugins; // Common objects
		if(!is_file(ENANO_ROOT . '/themes/'.$this->theme.'/'.$file)) die('Cannot find '.$file.' file for style "'.$this->theme.'", exiting');
		$text = file_get_contents(ENANO_ROOT . '/themes/'.$this->theme.'/'.$file);
		preg_match_all('#<\!-- VAR ([A-z0-9_-]*) -->(.*?)<\!-- ENDVAR \\1 -->#is', $text, $matches);
		$tplvars = Array();
		for($i=0;$i<sizeof($matches[1]);$i++)
		{
			$tplvars[$matches[1][$i]] = $matches[2][$i];
		}
		return $tplvars;
	}
	function compile_template($text)
	{
		$text = file_get_contents(ENANO_ROOT . '/themes/'.$this->theme.'/'.$text);
		return $this->compile_template_text_post(template_compiler_core($text));
	}
	
	function compile_template_text($text)
	{
		return $this->compile_template_text_post(template_compiler_core($text));
	}
	
	/**
 	* Post-processor for template code. Basically what this does is it localizes {lang:foo} blocks.
 	* @param string Mostly-processed TPL code
 	* @return string
 	*/
	
	function compile_template_text_post($text)
	{
		global $lang;
		preg_match_all('/\{lang:([a-z0-9]+_[a-z0-9_]+)\}/', $text, $matches);
		foreach ( $matches[1] as $i => $string_id )
		{
			if ( is_object(@$lang) )
			{
				$string = $lang->get($string_id);
			}
			else
			{
				$string = '[language not loaded]';
			}
			$string = str_replace('\\', '\\\\', $string);
			$string = str_replace('\'', '\\\'', $string);
			$text = str_replace_once($matches[0][$i], $string, $text);
		}
		return $text;
	}
	
	/**
 	* Allows individual parsing of template files. Similar to phpBB but follows the spirit of object-oriented programming ;)
 	* Returns on object of class templateIndividual. Usage instructions can be found in the inline docs for that class.
 	* @param $filename the filename of the template to be parsed
 	* @return object
 	*/
 	
	function makeParser($filename)
	{
		$filename = ENANO_ROOT.'/themes/'.$this->theme.'/'.$filename;
		if(!file_exists($filename)) die('templateIndividual: file '.$filename.' does not exist');
		$code = file_get_contents($filename);
		$parser = new templateIndividualSafe($code, $this);
		return $parser;
	}
	
	/**
 	* Same as $template->makeParser(), but takes a string instead of a filename.
 	* @param $text the text to parse
 	* @return object
 	*/
 	
	function makeParserText($code)
	{
		$parser = new templateIndividualSafe($code, $this);
		return $parser;
	}
	
	/**
 	* Assigns an array of string values to the template. Strings can be accessed from the template by inserting {KEY_NAME} in the template file.
 	* @param $vars array
 	*/
	function assign_vars($vars, $_ignored = false)
	{
		if(is_array($this->tpl_strings))
			$this->tpl_strings = array_merge($this->tpl_strings, $vars);
		else
			$this->tpl_strings = $vars;
	}
	
	function get_theme_hook()
	{
		return '';
	}
 	
} // class template_nodb

/**
 * Identical to templateIndividual, except extends template_nodb instead of template
 * @see class template
 */
 
class templateIndividualSafe extends template_nodb
{
	var $tpl_strings, $tpl_bool, $tpl_code;
	var $compiled = false;
	/**
 	* Constructor.
 	*/
	function __construct($text, $parent)
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		$this->tpl_code = $text;
		$this->tpl_strings = $parent->tpl_strings;
		$this->tpl_bool = $parent->tpl_bool;
	}
	/**
 	* PHP 4 constructor.
 	*/
	function templateIndividual($text)
	{
		$this->__construct($text);
	}
	/**
 	* Assigns an array of string values to the template. Strings can be accessed from the template by inserting {KEY_NAME} in the template file.
 	* @param $vars array
 	*/
	function assign_vars($vars, $_ignored = false)
	{
		if(is_array($this->tpl_strings))
			$this->tpl_strings = array_merge($this->tpl_strings, $vars);
		else
			$this->tpl_strings = $vars;
	}
	/**
 	* Assigns an array of boolean values to the template. These can be used for <!-- IF ... --> statements.
 	* @param $vars array
 	*/
	function assign_bool($vars)
	{
		$this->tpl_bool = array_merge($this->tpl_bool, $vars);
	}
	/**
 	* Compiles and executes the template code.
 	* @return string
 	*/
	function run()
	{
		global $db, $session, $paths, $template, $plugins; // Common objects
		if(!$this->compiled)
		{
			$this->tpl_code = $this->compile_template_text($this->tpl_code);
			$this->compiled = true;
		}
		return eval($this->tpl_code);
	}
}

?>