Themes.

git-svn-id: http://svn.automattic.com/wordpress/trunk@1638 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/admin-functions.php

@@ -488,4 +488,151 @@ if ( !strstr($_SERVER['HTTP_USER_AGENT'], 'Safari') ) :
 endif;
 }
 
+function get_theme_data($theme_file) {
+	$theme_data = implode('', file($theme_file));
+	preg_match("|Theme Name:(.*)|i", $theme_data, $theme_name);
+	preg_match("|Theme URI:(.*)|i", $theme_data, $theme_uri);
+	preg_match("|Description:(.*)|i", $theme_data, $description);
+	preg_match("|Author:(.*)|i", $theme_data, $author_name);
+	preg_match("|Author URI:(.*)|i", $theme_data, $author_uri);
+	preg_match("|Template:(.*)|i", $theme_data, $template);
+	if ( preg_match("|Version:(.*)|i", $theme_data, $version) )
+		$version = $version[1];
+	else
+		$version ='';
+
+	$description = wptexturize($description[1]);
+
+	$name = $theme_name[1];
+	$name = trim($name);
+	$theme = $name;
+	if ('' != $theme_uri && '' != $name) {
+		$theme = __("<a href='{$theme_uri[1]}' title='Visit theme homepage'>{$theme}</a>");
+	}
+
+	if ('' == $author_uri) {
+		$author = $author_name[1];
+	} else {
+		$author = __("<a href='{$author_uri[1]}' title='Visit author homepage'>{$author_name[1]}</a>");
+	}
+
+	return array('Name' => $name, 'Title' => $theme, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template[1]);
+}
+
+function get_themes() {
+	$themes = array();
+	$theme_loc = 'wp-content/themes';
+	$theme_root = ABSPATH . $theme_loc;
+
+	// Files in wp-content/themes directory
+	$themes_dir = @ dir($theme_root);
+	if ($themes_dir) {
+		while(($theme_dir = $themes_dir->read()) !== false) {
+			if (is_dir($theme_root . '/' . $theme_dir)) {
+				$stylish_dir = @ dir($theme_root . '/' . $theme_dir);
+				while(($theme_file = $stylish_dir->read()) !== false) {
+					if ( $theme_file == 'style.css' ) {
+						$theme_files[] = $theme_dir . '/' . $theme_file;
+					}
+				}
+			}
+		}
+	}
+
+	$default_files = array(get_settings('blogfilename'), 'wp-comments.php', 'wp-comments-popup.php', 'wp-comments-post.php', 'wp-footer.php', 'wp-header.php', 'wp-sidebar.php', 'footer.php', 'header.php', 'sidebar.php');
+
+	// Get the files for the default template.
+	$default_template_files = array();
+	{
+		$dirs = array('', 'wp-content');
+		foreach ($dirs as $dir) {
+			$template_dir = @ dir(ABSPATH . $dir);
+			while(($file = $template_dir->read()) !== false) {
+				if ( !preg_match('|^\.+$|', $file) && in_array($file, $default_files)) 
+					$default_template_files[] = trim("$dir/$file", '/');
+			}
+		}
+	}
+
+	// Get the files for the default stylesheet.
+	$default_stylesheet_files = array();
+	{
+		$stylesheet_dir = @ dir(ABSPATH);
+		while(($file = $stylesheet_dir->read()) !== false) {
+			if ( !preg_match('|^\.+$|', $file) && preg_match('|\.css$|', $file)) 
+				$default_stylesheet_files[] = "$file";
+		}
+	}
+	
+	// The default theme always exists.
+	$themes['Default'] = array('Name' => 'Default', 'Title' => 'Default', 'Description' => 'The default theme', 'Author' => '', 'Version' => '1.3', 'Template' => 'default', 'Stylesheet' => 'default', 'Template Files' => $default_template_files, 'Stylesheet Files' => $default_stylesheet_files);
+
+	if (!$themes_dir || !$theme_files) {
+		return $themes;
+	}
+
+	sort($theme_files);
+
+	foreach($theme_files as $theme_file) {
+		$theme_data = get_theme_data("$theme_root/$theme_file");
+	  
+		$name = $theme_data['Name']; 
+		$title = $theme_data['Title'];
+		$description = wptexturize($theme_data['Description']);
+		$version = $theme_data['Version'];
+		$author = $theme_data['Author'];
+		$template = $theme_data['Template'];
+		$stylesheet = dirname($theme_file);
+
+		if (empty($template)) {
+			if (file_exists(dirname("$theme_root/$theme_file/index.php"))) {
+				$template = dirname($theme_file);
+			} else {
+				continue;
+			}
+		}
+
+		$template = trim($template);
+
+		if (($template != 'default') && (! file_exists("$theme_root/$template/index.php"))) {
+			continue;
+		}
+
+		if (empty($name)) {
+			$name = dirname($theme_file);
+			$title = $name;
+		}
+		
+		$stylesheet_files = array();
+		if ($stylesheet != 'default') {
+			$stylesheet_dir = @ dir("$theme_root/$stylesheet");
+			if ($stylesheet_dir) {
+				while(($file = $stylesheet_dir->read()) !== false) {
+					if ( !preg_match('|^\.+$|', $file) && preg_match('|\.css$|', $file) ) 
+						$stylesheet_files[] = "$theme_loc/$stylesheet/$file";
+				}
+			}
+		} else {
+			$stylesheet_files = $default_stylesheet_files;
+		}
+
+		$template_files = array();		
+		if ($template != 'default') {
+			$template_dir = @ dir("$theme_root/$template");
+			if ($template_dir) {
+				while(($file = $template_dir->read()) !== false) {
+					if ( !preg_match('|^\.+$|', $file) && preg_match('|\.php$|', $file) ) 
+						$template_files[] = "$theme_loc/$template/$file";
+				}
+			}
+		} else {
+			$template_files = $default_template_files;
+		}
+
+		$themes[$name] = array('Name' => $name, 'Title' => $title, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template, 'Stylesheet' => $stylesheet, 'Template Files' => $template_files, 'Stylesheet Files' => $stylesheet_files);
+	}
+
+	return $themes;
+}
+
 ?>

wp-admin/menu.php

@@ -13,8 +13,9 @@ $menu[20] = array(__('Links'), 5, 'link-manager.php');
 $menu[25] = array(__('Users'), 3, 'users.php');
 $menu[30] = array(__('Options'), 6, 'options-general.php');
 $menu[35] = array(__('Plugins'), 8, 'plugins.php');
-$menu[40] = array(__('Templates'), 4, 'templates.php');
+$menu[40] = array(__('Presentation'), 8, 'themes.php');
-$menu[45] = array(__('Upload'), get_settings('fileupload_minlevel'), 'upload.php');
+$menu[45] = array(__('Templates'), 4, 'templates.php');
+$menu[50] = array(__('Upload'), get_settings('fileupload_minlevel'), 'upload.php');
 ksort($menu); // So other files can plugin
 
 $submenu['edit.php'][5] = array(__('Posts'), 1, 'edit.php');
@@ -39,6 +40,9 @@ $submenu['options-general.php'][20] = array(__('Discussion'), 5, 'options-discus
 $submenu['options-general.php'][25] = array(__('Permalinks'), 5, 'options-permalink.php');
 $submenu['options-general.php'][30] = array(__('Miscellaneous'), 5, 'options-misc.php');
 
+$submenu['themes.php'][5] = array(__('Themes'), 5, 'themes.php');
+$submenu['themes.php'][10] = array(__('Theme Editor'), 5, 'theme-editor.php');
+
 $self = preg_replace('|.*/wp-admin/|i', '', $_SERVER['PHP_SELF']);
 if (!isset($parent_file)) $parent_file = '';
 foreach ($menu as $item) {

wp-admin/theme-editor.php

@@ -0,0 +1,199 @@
+<?php
+require_once('../wp-includes/wp-l10n.php');
+
+$title = __("Template &amp; file editing");
+$parent_file = 'themes.php';
+
+function add_magic_quotes($array) {
+	foreach ($array as $k => $v) {
+		if (is_array($v)) {
+			$array[$k] = add_magic_quotes($v);
+		} else {
+			$array[$k] = addslashes($v);
+		}
+	}
+	return $array;
+} 
+
+function validate_file($file) {
+	if ('..' == substr($file,0,2))
+		die (__('Sorry, can&#8217;t edit files with ".." in the name. If you are trying to edit a file in your WordPress home directory, you can just type the name of the file in.'));
+	
+	if (':' == substr($file,1,1))
+		die (__('Sorry, can&#8217;t call files with their real path.'));
+
+	if ('/' == substr($file,0,1))
+		$file = '.' . $file;
+	
+	$file = stripslashes($file);
+	$file = str_replace('../', '', $file);
+
+    return $file;
+}
+
+if (!get_magic_quotes_gpc()) {
+	$_GET    = add_magic_quotes($_GET);
+	$_POST   = add_magic_quotes($_POST);
+	$_COOKIE = add_magic_quotes($_COOKIE);
+}
+
+$wpvarstoreset = array('action','standalone','redirect','profile','error','warning','a','file', 'theme');
+for ($i=0; $i<count($wpvarstoreset); $i += 1) {
+	$wpvar = $wpvarstoreset[$i];
+	if (!isset($$wpvar)) {
+		if (empty($_POST["$wpvar"])) {
+			if (empty($_GET["$wpvar"])) {
+				$$wpvar = '';
+			} else {
+				$$wpvar = $_GET["$wpvar"];
+			}
+		} else {
+			$$wpvar = $_POST["$wpvar"];
+		}
+	}
+}
+
+switch($action) {
+
+case 'update':
+
+	$standalone = 1;
+	require_once("admin-header.php");
+
+	if ($user_level < 5) {
+		die(__('<p>You have do not have sufficient permissions to edit templates for this blog.</p>'));
+	}
+
+	$newcontent = stripslashes($_POST['newcontent']);
+	$file = $_POST['file'];
+    $file = validate_file($file);
+	$real_file = '../' . $file;
+    if (is_writeable($real_file)) {
+        $f = fopen($real_file, 'w+');
+        fwrite($f, $newcontent);
+        fclose($f);
+        header("Location: theme-editor.php?file=$file&a=te");
+    } else {
+        header("Location: theme-editor.php?file=$file");
+    }
+
+	exit();
+
+break;
+
+default:
+	
+	require_once('admin-header.php');
+	update_option('recently_edited', array(1, 2, 3) );
+	if ($user_level <= 5) {
+		die(__('<p>You have do not have sufficient permissions to edit themes for this blog.</p>'));
+	}
+	
+	$themes = get_themes();
+
+	if (! isset($theme)  || empty($theme)) {
+		$theme = 'Default';
+	}
+
+	$stylesheet_files = $themes[$theme]['Stylesheet Files'];
+	$template_files = $themes[$theme]['Template Files'];
+	
+	if ('' == $file) {
+		$file = $stylesheet_files[0];
+	}
+	
+	$home = get_settings('home');
+	if (($home != '')
+			&& ($home != get_settings('siteurl')) &&
+			('index.php' == $file || get_settings('blogfilename') == $file ||
+			 '.htaccess' == $file)) {
+		$home_root = parse_url($home);
+		$home_root = $home_root['path'];
+		$root = str_replace($_SERVER["PHP_SELF"], '', $_SERVER["PATH_TRANSLATED"]);
+		$home_root = $root . $home_root;
+		$real_file = $home_root . '/' . $file;
+	} else {
+		$file = validate_file($file);
+		$real_file = '../' . $file;
+	}
+	
+	if (!is_file($real_file))
+		$error = 1;
+	
+	if (!$error) {
+		$f = fopen($real_file, 'r');
+		$content = fread($f, filesize($real_file));
+		$content = htmlspecialchars($content);
+	}
+
+	?>
+<?php if (isset($_GET['a'])) : ?>
+ <div class="updated"><p><?php _e('File edited successfully.') ?></p></div>
+<?php endif; ?>
+ <div class="wrap">
+  <form name="theme" action="theme-editor.php" method="post"> 
+		<?php _e('Select theme to edit:') ?>
+		<select name="theme" id="theme">
+	<?php
+		foreach ($themes as $a_theme) {
+		$theme_name = $a_theme['Name'];
+		if ($theme_name == $theme) $selected = " selected='selected'";
+		else $selected = '';
+		echo "\n\t<option value='$theme_name' $selected>$theme_name</option>";
+	}
+?>
+ </select>
+ <input type="submit" name="Submit" value="<?php _e('Select') ?> &raquo;" />
+ </form>
+ </div>
+
+ <div class="wrap"> 
+  <?php
+	echo "<p>" . sprintf(__('Editing <strong>%s</strong>'), $file) . "</p>";
+	
+	if (!$error) {
+	?> 
+  <form name="template" action="theme-editor.php" method="post"> 
+     <textarea cols="80" rows="21" style="width:95%; margin-right: 10em; font-family: 'Courier New', Courier, monopace; font-size:small;" name="newcontent" tabindex="1"><?php echo $content ?></textarea> 
+     <input type="hidden" name="action" value="update" /> 
+     <input type="hidden" name="file" value="<?php echo $file ?>" /> 
+     <input type="hidden" name="theme" value="<?php echo $theme ?>" /> 
+     <p class="submit">
+     <?php
+		if (is_writeable($real_file)) {
+			echo "<input type='submit' name='submit' value='Update File &raquo;' tabindex='2' />";
+		} else {
+			echo "<input type='button' name='oops' value='" . __('(You cannot update that file/template: must make it writable, e.g. CHMOD 666)') ."' tabindex='2' />";
+		}
+		?> 
+</p>
+   </form> 
+  <?php
+	} else {
+		echo '<div class="error"><p>' . __('Oops, no such file exists! Double check the name and try again, merci.') . '</p></div>';
+	}
+	?> 
+</div> 
+<div class="wrap">
+<?php
+
+if ($template_files || $stylesheet_files) :
+?>
+  <p><?php printf(__('<strong>%s</strong> theme files:'), $theme) ?></p>
+  <ul>
+<?php foreach($stylesheet_files as $stylesheet_file) : ?>
+		 <li><a href="theme-editor.php?file=<?php echo "$stylesheet_file"; ?>&amp;theme=<?php echo $theme; ?>"><?php echo basename($stylesheet_file); ?></a></li>
+<?php endforeach; ?>
+<?php foreach($template_files as $template_file) : ?>
+		<li><a href="theme-editor.php?file=<?php echo "$template_file"; ?>&amp;theme=<?php echo $theme; ?>"><?php echo basename($template_file); ?></a></li>
+<?php endforeach; ?>
+  </ul>
+<?php endif; ?>
+  <p><?php _e('Note: of course, you can also edit the files/templates in your text editor of choice and upload them. This online editor is only meant to be used when you don&#8217;t have access to a text editor or FTP client.') ?></p>
+</div> 
+<?php
+
+break;
+}
+
+include("admin-footer.php") ?> 

wp-admin/themes.php

@@ -0,0 +1,125 @@
+<?php
+
+if ( isset($_GET['action']) ) {
+	$standalone = 1;
+	require_once('admin-header.php');
+
+	check_admin_referer();
+
+	if ('activate' == $_GET['action']) {
+	  if (isset($_GET['template'])) {
+	    update_option('template', $_GET['template']);
+	  }
+
+	  if (isset($_GET['stylesheet'])) {
+	    update_option('stylesheet', $_GET['stylesheet']);
+	  }
+
+	  header('Location: themes.php?activate=true');
+	}
+ }
+
+require_once('../wp-includes/wp-l10n.php');
+$title = __('Manage Themes');
+$parent_file = 'themes.php';
+require_once('admin-header.php');
+
+if ($user_level < 9) // Must be at least level 9
+	die (__('Sorry, you must be at least a level 8 user to modify themes.'));
+?>
+
+<?php
+$themes = get_themes();
+$theme_names = array_keys($themes);
+natcasesort($theme_names);
+$current_template = get_settings('template');
+$current_stylesheet = get_settings('stylesheet');
+$current_theme = 'Default';
+$current_parent_theme = '';
+$current_template_dir = '/';
+$current_stylesheet_dir = '/';
+
+if ($themes) {
+	foreach ($theme_names as $theme_name) {
+		if ($themes[$theme_name]['Stylesheet'] == $current_stylesheet &&
+				$themes[$theme_name]['Template'] == $current_template) {
+			$current_theme = $themes[$theme_name]['Name'];
+			if ($current_template != 'default')
+				$current_template_dir = dirname($themes[$theme_name]['Template Files'][0]);
+			if ($current_stylesheet != 'default')
+				$current_stylesheet_dir = dirname($themes[$theme_name]['Stylesheet Files'][0]);
+		}
+
+		if (($current_template != $current_stylesheet) &&
+				($themes[$theme_name]['Stylesheet'] == $themes[$theme_name]['Template']) &&
+				($themes[$theme_name]['Template'] == $current_template)) {
+			$current_parent_theme = $themes[$theme_name]['Name'];
+		}
+	}
+}
+?>
+
+<?php if ($current_parent_theme) { ?>
+	<div class="updated"><p><?php printf(__('The active theme is <strong>%s</strong>.  The template files are located in <code>%s</code>.  The stylesheet files are located in <code>%s</code>.  <strong>%s</strong> uses templates from <strong>%s</strong>.  Changes made to the templates will affect both themes.'), $current_theme, $current_template_dir, $current_stylesheet_dir, $current_theme, $current_parent_theme); ?></p></div>
+<?php } else { ?>
+	<div class="updated"><p><?php printf(__('The active theme is <strong>%s</strong>.  The template files are located in <code>%s</code>.  The stylesheet files are located in <code>%s</code>.'), $current_theme, $current_template_dir, $current_stylesheet_dir); ?></p></div>
+<?php } ?>
+
+<div class="wrap">
+<h2><?php _e('Theme Management'); ?></h2>
+<p><?php _e('Themes are usually downloaded separately from WordPress. To install a theme you generally just need to put the theme file or files into your <code>wp-content/themes</code> directory. Once a theme is installed, you may select it here.'); ?></p>
+<?php
+
+if (empty($themes)) {
+	_e("<p>Couldn't open themes directory or there are no themes available.</p>"); // TODO: make more helpful
+} else {
+?>
+<table width="100%" cellpadding="3" cellspacing="3">
+	<tr>
+		<th><?php _e('Theme'); ?></th>
+		<th><?php _e('Version'); ?></th>
+		<th><?php _e('Author'); ?></th>
+		<th><?php _e('Description'); ?></th>
+		<th><?php _e('Select'); ?></th>
+	</tr>
+<?php
+	$theme = '';
+
+	$theme_names = array_keys($themes);
+	natcasesort($theme_names);
+
+	foreach ($theme_names as $theme_name) {
+		$template = $themes[$theme_name]['Template'];
+		$stylesheet = $themes[$theme_name]['Stylesheet'];
+		$title = $themes[$theme_name]['Title'];
+		$version = $themes[$theme_name]['Version'];
+		$description = $themes[$theme_name]['Description'];
+		$author = $themes[$theme_name]['Author'];
+
+		if ($template == $current_template && $stylesheet == $current_stylesheet) {
+			$action = "<a href='themes.php' title='" . __('Active theme') . "' class='edit'>" . __('Active Theme') . '</a>';
+		} else {
+			$action = "<a href='themes.php?action=activate&amp;template=$template&amp;stylesheet=$stylesheet' title='" . __('Select this theme') . "' class='edit'>" . __('Select') . '</a>';
+		}
+
+		$theme = ('class="alternate"' == $theme) ? '' : 'class="alternate"';
+		echo "
+	  <tr $theme>
+	     <td>$title</td>
+	     <td>$version</td>
+	     <td>$author</td>
+	     <td>$description</td>
+	     <td>$action</td>
+	  </tr>";
+	}
+?>
+
+</table>
+<?php
+}
+?>
+</div>
+
+<?php
+include('admin-footer.php');
+?>

wp-admin/upgrade-schema.php

@@ -215,6 +215,8 @@ function populate_options() {
 	add_option('default_email_category', 1, 'Posts by email go to this category');
 	add_option('recently_edited');
 	add_option('use_linksupdate', 0);
+	add_option('template', 'default');
+	add_option('stylesheet', 'default');
 
 	// Delete unused options
 	$unusedoptions = array ('blodotgsping_url', 'bodyterminator', 'emailtestonly', 'phoneemail_separator', 'smilies_directory', 'subjectprefix', 'use_bbcode', 'use_blodotgsping', 'use_phoneemail', 'use_quicktags', 'use_weblogsping', 'weblogs_cache_file', 'use_preview', 'use_htmltrans', 'smilies_directory', 'rss_language', 'fileupload_allowedusers', 'use_phoneemail', 'default_post_status', 'default_post_category', 'archive_mode', 'time_difference', 'links_minadminlevel', 'links_use_adminlevels', 'links_rating_type', 'links_rating_char', 'links_rating_ignore_zero', 'links_rating_single_image', 'links_rating_image0', 'links_rating_image1', 'links_rating_image2', 'links_rating_image3', 'links_rating_image4', 'links_rating_image5', 'links_rating_image6', 'links_rating_image7', 'links_rating_image8', 'links_rating_image9', 'weblogs_cacheminutes', 'comment_allowed_tags', 'search_engine_friendly_urls');

wp-blog-header.php

@@ -66,6 +66,10 @@ if ((isset($_GET['error']) && $_GET['error'] == '404') ||
 		    unset($_GET['error']);
 		}
 
+		if (isset($error)) {
+		    unset($error);
+		}
+
                 break;
             }
         }
@@ -101,7 +105,9 @@ if (1 == $tb) {
 
 // Sending HTTP headers
 
-if ( !isset($doing_rss) || !$doing_rss ) {
+if (is_404()) {
+	header("HTTP/1.x 404 Not Found");
+} else if ( !isset($doing_rss) || !$doing_rss ) {
 	@header ('X-Pingback: '. get_settings('siteurl') . '/xmlrpc.php');
 } else {
 	// We're showing a feed, so WP is indeed the only thing that last changed
@@ -183,46 +189,63 @@ if (1 == count($posts)) {
 $wp_did_header = true;
 endif;
 
+$wp_template = get_settings('template');
+
+if ($wp_template == 'default') {
+  $wp_template = '';
+}
+
+if (! empty($wp_template)) {
+  $wp_template = "themes/$wp_template/";
+}
+
 // Template redirection
-if (is_single() && (! isset($wp_did_single)) &&
+if ($pagenow != get_settings('blogfilename')) {
-    file_exists(ABSPATH . 'wp-content/single.php')) {
+	// Noop.
+} else if (is_home() && (! isset($wp_did_home)) &&
+    file_exists(ABSPATH . "wp-content/${wp_template}index.php")) {
+  $wp_did_home = true;
+  include(ABSPATH . "wp-content/${wp_template}index.php");
+  exit;
+} else if (is_single() && (! isset($wp_did_single)) &&
+    file_exists(ABSPATH . "wp-content/${wp_template}single.php")) {
   $wp_did_single = true;
-  include(ABSPATH . 'wp-content/single.php');
+  include(ABSPATH . "wp-content/${wp_template}single.php");
   exit;
 } else if (is_page() && (! isset($wp_did_page)) &&
-	    file_exists(ABSPATH . 'wp-content/page.php')) {
+	    file_exists(ABSPATH . "wp-content/${wp_template}page.php")) {
   $wp_did_page = true;
-  include(ABSPATH . 'wp-content/page.php');
+  include(ABSPATH . "wp-content/${wp_template}page.php");
   exit;
 } else if (is_category() && (! isset($wp_did_category)) &&
-	   file_exists(ABSPATH . 'wp-content/category.php')) {
+	   file_exists(ABSPATH . "wp-content/${wp_template}category.php")) {
   $wp_did_category = true;
-  include(ABSPATH . 'wp-content/category.php');
+  include(ABSPATH . "wp-content/${wp_template}category.php");
   exit;
 } else if (is_author() && (! isset($wp_did_author)) &&
-	   file_exists(ABSPATH . 'wp-content/author.php')) {
+	   file_exists(ABSPATH . "wp-content/${wp_template}author.php")) {
   $wp_did_author = true;
-  include(ABSPATH . 'wp-content/author.php');
+  include(ABSPATH . "wp-content/${wp_template}author.php");
   exit;
 } else if (is_date() && (! isset($wp_did_date)) &&
-	   file_exists(ABSPATH . 'wp-content/date.php')) {
+	   file_exists(ABSPATH . "wp-content/${wp_template}date.php")) {
   $wp_did_date = true;
-  include(ABSPATH . 'wp-content/date.php');
+  include(ABSPATH . "wp-content/${wp_template}date.php");
   exit;
 } else if (is_archive() && (! isset($wp_did_archive)) &&
-	   file_exists(ABSPATH . 'wp-content/archive.php')) {
+	   file_exists(ABSPATH . "wp-content/${wp_template}archive.php")) {
   $wp_did_archive = true;
-  include(ABSPATH . 'wp-content/archive.php');
+  include(ABSPATH . "wp-content/${wp_template}archive.php");
   exit;
 } else if (is_search() && (! isset($wp_did_search)) &&
-	   file_exists(ABSPATH . 'wp-content/search.php')) {
+	   file_exists(ABSPATH . "wp-content/${wp_template}search.php")) {
   $wp_did_search = true;
-  include(ABSPATH . 'wp-content/search.php');
+  include(ABSPATH . "wp-content/${wp_template}search.php");
   exit;
 } else if (is_404() && (! isset($wp_did_404)) &&
-	   file_exists(ABSPATH . 'wp-content/404.php')) {
+	   file_exists(ABSPATH . "wp-content/${wp_template}404.php")) {
   $wp_did_404 = true;
-  include(ABSPATH . 'wp-content/404.php');
+  include(ABSPATH . "wp-content/${wp_template}404.php");
   exit;
 } else if (is_feed() && $pagenow != 'wp-feed.php') {
   include(dirname(__FILE__) . '/wp-feed.php');
@@ -230,6 +253,11 @@ if (is_single() && (! isset($wp_did_single)) &&
 } else if ($pagenow != 'wp-trackback.php' && $tb == 1) {
   include(dirname(__FILE__) . '/wp-trackback.php');
   exit;
+} else if ((! isset($wp_did_home)) && file_exists(ABSPATH . "wp-content/${wp_template}index.php"))
+{
+	$wp_did_home = true;
+	include(ABSPATH . "wp-content/${wp_template}index.php");
+	exit;
 }
 
 if ($pagenow != 'post.php' && $pagenow != 'edit.php') {

wp-includes/template-functions-general.php

@@ -77,6 +77,22 @@ function get_bloginfo($show='') {
         case 'pingback_url':
             $output = get_settings('siteurl') .'/xmlrpc.php';
             break;
+		case 'stylesheet_url':
+			$output = get_settings('stylesheet');;
+			if (empty($output) || $output == 'default') {
+				$output = get_settings('home') . "/wp-layout.css";
+			} else {
+				$output = get_settings('home') . "/wp-content/themes/$output/style.css";
+			}
+			break;
+		case 'template_url':
+			$output = get_settings('template');;
+			if (empty($output) || $output == 'default') {
+				$output = get_settings('home');
+			} else {
+				$output = get_settings('home') . "/wp-content/themes/$output";
+			}
+			break;
         case 'admin_email':
             $output = get_settings('admin_email');
             break;