dwoo-project / dwoo

lib/Dwoo/Plugins/Functions/PluginMailto.php

Indentation +89 added lines, -89 removed lines

@@ -36,93 +36,93 @@
  */
 function PluginMailto(Core $dwoo, $address, $text = null, $subject = null, $encode = null, $cc = null, $bcc = null, $newsgroups = null, $followupto = null, $extra = null)
 {
-    if (empty($address)) {
-        return '';
-    }
-    if (empty($text)) {
-        $text = $address;
-    }
-
-    // build address string
-    $address .= '?';
-
-    if (!empty($subject)) {
-        $address .= 'subject=' . rawurlencode($subject) . '&';
-    }
-    if (!empty($cc)) {
-        $address .= 'cc=' . rawurlencode($cc) . '&';
-    }
-    if (!empty($bcc)) {
-        $address .= 'bcc=' . rawurlencode($bcc) . '&';
-    }
-    if (!empty($newsgroups)) {
-        $address .= 'newsgroups=' . rawurlencode($newsgroups) . '&';
-    }
-    if (!empty($followupto)) {
-        $address .= 'followupto=' . rawurlencode($followupto) . '&';
-    }
-
-    $address = rtrim($address, '?&');
-
-    // output
-    switch ($encode) {
-
-        case 'none':
-        case null:
-            return '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';
-
-        case 'js':
-        case 'javascript':
-            $str = 'document.write(\'<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>\');';
-            $len = strlen($str);
-
-            $out = '';
-            for ($i = 0; $i < $len; ++ $i) {
-                $out .= '%' . bin2hex($str[$i]);
-            }
-
-            return '<script type="text/javascript">eval(unescape(\'' . $out . '\'));</script>';
-
-            break;
-        case 'javascript_charcode':
-        case 'js_charcode':
-        case 'jscharcode':
-        case 'jschar':
-            $str = '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';
-            $len = strlen($str);
-
-            $out = '<script type="text/javascript">' . "\n<!--\ndocument.write(Str.fromCharCode(";
-            for ($i = 0; $i < $len; ++ $i) {
-                $out .= ord($str[$i]) . ',';
-            }
-
-            return rtrim($out, ',') . "));\n-->\n</script>\n";
-
-            break;
-
-        case 'hex':
-            if (strpos($address, '?') !== false) {
-                $dwoo->triggerError('Mailto: Hex encoding is not possible with extra attributes, use one of : <em>js, jscharcode or none</em>.', E_USER_WARNING);
-            }
-
-            $out = '<a href="&#109;&#97;&#105;&#108;&#116;&#111;&#58;';
-            $len = strlen($address);
-            for ($i = 0; $i < $len; ++ $i) {
-                if (preg_match('#\w#', $address[$i])) {
-                    $out .= '%' . bin2hex($address[$i]);
-                } else {
-                    $out .= $address[$i];
-                }
-            }
-            $out .= '" ' . $extra . '>';
-            $len = strlen($text);
-            for ($i = 0; $i < $len; ++ $i) {
-                $out .= '&#x' . bin2hex($text[$i]);
-            }
-
-            return $out . '</a>';
-
-        default:
-            $dwoo->triggerError('Mailto: <em>encode</em> argument is invalid, it must be one of : <em>none (= no value), js, js_charcode or hex</em>', E_USER_WARNING);
-    }
+	if (empty($address)) {
+		return '';
+	}
+	if (empty($text)) {
+		$text = $address;
+	}
+
+	// build address string
+	$address .= '?';
+
+	if (!empty($subject)) {
+		$address .= 'subject=' . rawurlencode($subject) . '&';
+	}
+	if (!empty($cc)) {
+		$address .= 'cc=' . rawurlencode($cc) . '&';
+	}
+	if (!empty($bcc)) {
+		$address .= 'bcc=' . rawurlencode($bcc) . '&';
+	}
+	if (!empty($newsgroups)) {
+		$address .= 'newsgroups=' . rawurlencode($newsgroups) . '&';
+	}
+	if (!empty($followupto)) {
+		$address .= 'followupto=' . rawurlencode($followupto) . '&';
+	}
+
+	$address = rtrim($address, '?&');
+
+	// output
+	switch ($encode) {
+
+		case 'none':
+		case null:
+			return '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';
+
+		case 'js':
+		case 'javascript':
+			$str = 'document.write(\'<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>\');';
+			$len = strlen($str);
+
+			$out = '';
+			for ($i = 0; $i < $len; ++ $i) {
+				$out .= '%' . bin2hex($str[$i]);
+			}
+
+			return '<script type="text/javascript">eval(unescape(\'' . $out . '\'));</script>';
+
+			break;
+		case 'javascript_charcode':
+		case 'js_charcode':
+		case 'jscharcode':
+		case 'jschar':
+			$str = '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';
+			$len = strlen($str);
+
+			$out = '<script type="text/javascript">' . "\n<!--\ndocument.write(Str.fromCharCode(";
+			for ($i = 0; $i < $len; ++ $i) {
+				$out .= ord($str[$i]) . ',';
+			}
+
+			return rtrim($out, ',') . "));\n-->\n</script>\n";
+
+			break;
+
+		case 'hex':
+			if (strpos($address, '?') !== false) {
+				$dwoo->triggerError('Mailto: Hex encoding is not possible with extra attributes, use one of : <em>js, jscharcode or none</em>.', E_USER_WARNING);
+			}
+
+			$out = '<a href="&#109;&#97;&#105;&#108;&#116;&#111;&#58;';
+			$len = strlen($address);
+			for ($i = 0; $i < $len; ++ $i) {
+				if (preg_match('#\w#', $address[$i])) {
+					$out .= '%' . bin2hex($address[$i]);
+				} else {
+					$out .= $address[$i];
+				}
+			}
+			$out .= '" ' . $extra . '>';
+			$len = strlen($text);
+			for ($i = 0; $i < $len; ++ $i) {
+				$out .= '&#x' . bin2hex($text[$i]);
+			}
+
+			return $out . '</a>';
+
+		default:
+			$dwoo->triggerError('Mailto: <em>encode</em> argument is invalid, it must be one of : <em>none (= no value), js, js_charcode or hex</em>', E_USER_WARNING);
+	}
 }

Switch Indentation +54 added lines, -54 removed lines

@@ -67,62 +67,62 @@
     // output
     switch ($encode) {
 
-        case 'none':
-        case null:
-            return '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';
-
-        case 'js':
-        case 'javascript':
-            $str = 'document.write(\'<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>\');';
-            $len = strlen($str);
-
-            $out = '';
-            for ($i = 0; $i < $len; ++ $i) {
-                $out .= '%' . bin2hex($str[$i]);
+    case 'none':
+    case null:
+        return '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';
+
+    case 'js':
+    case 'javascript':
+        $str = 'document.write(\'<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>\');';
+        $len = strlen($str);
+
+        $out = '';
+        for ($i = 0; $i < $len; ++ $i) {
+            $out .= '%' . bin2hex($str[$i]);
+        }
+
+        return '<script type="text/javascript">eval(unescape(\'' . $out . '\'));</script>';
+
+        break;
+    case 'javascript_charcode':
+    case 'js_charcode':
+    case 'jscharcode':
+    case 'jschar':
+        $str = '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';
+        $len = strlen($str);
+
+        $out = '<script type="text/javascript">' . "\n<!--\ndocument.write(Str.fromCharCode(";
+        for ($i = 0; $i < $len; ++ $i) {
+            $out .= ord($str[$i]) . ',';
+        }
+
+        return rtrim($out, ',') . "));\n-->\n</script>\n";
+
+        break;
+
+    case 'hex':
+        if (strpos($address, '?') !== false) {
+            $dwoo->triggerError('Mailto: Hex encoding is not possible with extra attributes, use one of : <em>js, jscharcode or none</em>.', E_USER_WARNING);
+        }
+
+        $out = '<a href="&#109;&#97;&#105;&#108;&#116;&#111;&#58;';
+        $len = strlen($address);
+        for ($i = 0; $i < $len; ++ $i) {
+            if (preg_match('#\w#', $address[$i])) {
+                $out .= '%' . bin2hex($address[$i]);
+            } else {
+                $out .= $address[$i];
             }
+        }
+        $out .= '" ' . $extra . '>';
+        $len = strlen($text);
+        for ($i = 0; $i < $len; ++ $i) {
+            $out .= '&#x' . bin2hex($text[$i]);
+        }
 
-            return '<script type="text/javascript">eval(unescape(\'' . $out . '\'));</script>';
+        return $out . '</a>';
 
-            break;
-        case 'javascript_charcode':
-        case 'js_charcode':
-        case 'jscharcode':
-        case 'jschar':
-            $str = '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';
-            $len = strlen($str);
-
-            $out = '<script type="text/javascript">' . "\n<!--\ndocument.write(Str.fromCharCode(";
-            for ($i = 0; $i < $len; ++ $i) {
-                $out .= ord($str[$i]) . ',';
-            }
-
-            return rtrim($out, ',') . "));\n-->\n</script>\n";
-
-            break;
-
-        case 'hex':
-            if (strpos($address, '?') !== false) {
-                $dwoo->triggerError('Mailto: Hex encoding is not possible with extra attributes, use one of : <em>js, jscharcode or none</em>.', E_USER_WARNING);
-            }
-
-            $out = '<a href="&#109;&#97;&#105;&#108;&#116;&#111;&#58;';
-            $len = strlen($address);
-            for ($i = 0; $i < $len; ++ $i) {
-                if (preg_match('#\w#', $address[$i])) {
-                    $out .= '%' . bin2hex($address[$i]);
-                } else {
-                    $out .= $address[$i];
-                }
-            }
-            $out .= '" ' . $extra . '>';
-            $len = strlen($text);
-            for ($i = 0; $i < $len; ++ $i) {
-                $out .= '&#x' . bin2hex($text[$i]);
-            }
-
-            return $out . '</a>';
-
-        default:
-            $dwoo->triggerError('Mailto: <em>encode</em> argument is invalid, it must be one of : <em>none (= no value), js, js_charcode or hex</em>', E_USER_WARNING);
+    default:
+        $dwoo->triggerError('Mailto: <em>encode</em> argument is invalid, it must be one of : <em>none (= no value), js, js_charcode or hex</em>', E_USER_WARNING);
     }
 }

Spacing +17 added lines, -17 removed lines

@@ -47,19 +47,19 @@ 
     $address .= '?';
 
     if (!empty($subject)) {
-        $address .= 'subject=' . rawurlencode($subject) . '&';
+        $address .= 'subject='.rawurlencode($subject).'&';
     }
     if (!empty($cc)) {
-        $address .= 'cc=' . rawurlencode($cc) . '&';
+        $address .= 'cc='.rawurlencode($cc).'&';
     }
     if (!empty($bcc)) {
-        $address .= 'bcc=' . rawurlencode($bcc) . '&';
+        $address .= 'bcc='.rawurlencode($bcc).'&';
     }
     if (!empty($newsgroups)) {
-        $address .= 'newsgroups=' . rawurlencode($newsgroups) . '&';
+        $address .= 'newsgroups='.rawurlencode($newsgroups).'&';
     }
     if (!empty($followupto)) {
-        $address .= 'followupto=' . rawurlencode($followupto) . '&';
+        $address .= 'followupto='.rawurlencode($followupto).'&';
     }
 
     $address = rtrim($address, '?&');
@@ -69,34 +69,34 @@ 
 
         case 'none':
         case null:
-            return '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';
+            return '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>';
 
         case 'js':
         case 'javascript':
-            $str = 'document.write(\'<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>\');';
+            $str = 'document.write(\'<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>\');';
             $len = strlen($str);
 
             $out = '';
             for ($i = 0; $i < $len; ++ $i) {
-                $out .= '%' . bin2hex($str[$i]);
+                $out .= '%'.bin2hex($str[$i]);
             }
 
-            return '<script type="text/javascript">eval(unescape(\'' . $out . '\'));</script>';
+            return '<script type="text/javascript">eval(unescape(\''.$out.'\'));</script>';
 
             break;
         case 'javascript_charcode':
         case 'js_charcode':
         case 'jscharcode':
         case 'jschar':
-            $str = '<a href="mailto:' . $address . '" ' . $extra . '>' . $text . '</a>';
+            $str = '<a href="mailto:'.$address.'" '.$extra.'>'.$text.'</a>';
             $len = strlen($str);
 
-            $out = '<script type="text/javascript">' . "\n<!--\ndocument.write(Str.fromCharCode(";
+            $out = '<script type="text/javascript">'."\n<!--\ndocument.write(Str.fromCharCode(";
             for ($i = 0; $i < $len; ++ $i) {
-                $out .= ord($str[$i]) . ',';
+                $out .= ord($str[$i]).',';
             }
 
-            return rtrim($out, ',') . "));\n-->\n</script>\n";
+            return rtrim($out, ',')."));\n-->\n</script>\n";
 
             break;
 
@@ -109,18 +109,18 @@ 
             $len = strlen($address);
             for ($i = 0; $i < $len; ++ $i) {
                 if (preg_match('#\w#', $address[$i])) {
-                    $out .= '%' . bin2hex($address[$i]);
+                    $out .= '%'.bin2hex($address[$i]);
                 } else {
                     $out .= $address[$i];
                 }
             }
-            $out .= '" ' . $extra . '>';
+            $out .= '" '.$extra.'>';
             $len = strlen($text);
             for ($i = 0; $i < $len; ++ $i) {
-                $out .= '&#x' . bin2hex($text[$i]);
+                $out .= '&#x'.bin2hex($text[$i]);
             }
 
-            return $out . '</a>';
+            return $out.'</a>';
 
         default:
             $dwoo->triggerError('Mailto: <em>encode</em> argument is invalid, it must be one of : <em>none (= no value), js, js_charcode or hex</em>', E_USER_WARNING);

lib/Dwoo/Core.php

Indentation +1671 added lines, -1671 removed lines

@@ -44,1683 +44,1683 @@
  */
 class Core
 {
-    /**
-     * Current version number.
-     *
-     * @var string
-     */
-    const VERSION = '1.3.0';
-
-    /**
-     * Unique number of this dwoo release, based on version number.
-     * this can be used by templates classes to check whether the compiled template
-     * has been compiled before this release or not, so that old templates are
-     * recompiled automatically when Dwoo is updated
-     */
-    const RELEASE_TAG = 130;
-
-    /**
-     * Constants that represents all plugin types
-     * these are bitwise-operation-safe values to allow multiple types
-     * on a single plugin
-     *
-     * @var int
-     */
-    const CLASS_PLUGIN      = 1;
-    const FUNC_PLUGIN       = 2;
-    const NATIVE_PLUGIN     = 4;
-    const BLOCK_PLUGIN      = 8;
-    const COMPILABLE_PLUGIN = 16;
-    const CUSTOM_PLUGIN     = 32;
-    const SMARTY_MODIFIER   = 64;
-    const SMARTY_BLOCK      = 128;
-    const SMARTY_FUNCTION   = 256;
-    const PROXY_PLUGIN      = 512;
-    const TEMPLATE_PLUGIN   = 1024;
-
-    /**
-     * Constant to default namespaces of builtin plugins
-     *
-     * @var string
-     */
-    const NAMESPACE_PLUGINS_BLOCKS     = 'Dwoo\Plugins\Blocks\\';
-    const NAMESPACE_PLUGINS_FILTERS    = 'Dwoo\Plugins\Filters\\';
-    const NAMESPACE_PLUGINS_FUNCTIONS  = 'Dwoo\Plugins\Functions\\';
-    const NAMESPACE_PLUGINS_HELPERS    = 'Dwoo\Plugins\Helpers\\';
-    const NAMESPACE_PLUGINS_PROCESSORS = 'Dwoo\Plugins\Processors\\';
-
-    /**
-     * Character set of the template, used by string manipulation plugins.
-     * it must be lowercase, but setCharset() will take care of that
-     *
-     * @see setCharset
-     * @see getCharset
-     * @var string
-     */
-    protected $charset = 'UTF-8';
-
-    /**
-     * Global variables that are accessible through $dwoo.* in the templates.
-     * default values include:
-     * $dwoo.version - current version number
-     * $dwoo.ad - a Powered by Dwoo link pointing to dwoo.org
-     * $dwoo.now - the current time
-     * $dwoo.template - the current template filename
-     * $dwoo.charset - the character set used by the template
-     * on top of that, foreach and other plugins can store special values in there,
-     * see their documentation for more details.
-     *
-     * @var array
-     */
-    public $globals;
-
-    /**
-     * Directory where the compiled templates are stored.
-     * defaults to DWOO_COMPILEDIR (= dwoo_dir/compiled by default)
-     *
-     * @var string
-     */
-    protected $compileDir;
-
-    /**
-     * Directory where the cached templates are stored.
-     * defaults to DWOO_CACHEDIR (= dwoo_dir/cache by default)
-     *
-     * @var string
-     */
-    protected $cacheDir;
-
-    /**
-     * Defines how long (in seconds) the cached files must remain valid.
-     * can be overridden on a per-template basis
-     * -1 = never delete
-     * 0 = disabled
-     * >0 = duration in seconds
-     *
-     * @var int
-     */
-    protected $cacheTime = 0;
-
-    /**
-     * Security policy object.
-     *
-     * @var SecurityPolicy
-     */
-    protected $securityPolicy = null;
-
-    /**
-     * Stores the custom plugins callbacks.
-     *
-     * @see addPlugin
-     * @see removePlugin
-     * @var array
-     */
-    protected $plugins = array();
-
-    /**
-     * Stores the filter callbacks.
-     *
-     * @see addFilter
-     * @see removeFilter
-     * @var array
-     */
-    protected $filters = array();
-
-    /**
-     * Stores the resource types and associated
-     * classes / compiler classes.
-     *
-     * @var array
-     */
-    protected $resources = array(
-        'file'   => array(
-            'class'    => 'Dwoo\Template\File',
-            'compiler' => null,
-        ),
-        'string' => array(
-            'class'    => 'Dwoo\Template\Str',
-            'compiler' => null,
-        ),
-    );
-
-    /**
-     * The dwoo loader object used to load plugins by this dwoo instance.
-     *
-     * @var ILoader
-     */
-    protected $loader = null;
-
-    /**
-     * Currently rendered template, set to null when not-rendering.
-     *
-     * @var ITemplate
-     */
-    protected $template = null;
-
-    /**
-     * Stores the instances of the class plugins during template runtime.
-     *
-     * @var array
-     */
-    protected $runtimePlugins;
-
-    /**
-     * Stores the returned values during template runtime.
-     *
-     * @var array
-     */
-    protected $returnData;
-
-    /**
-     * Stores the data during template runtime.
-     *
-     * @var array
-     */
-    public $data;
-
-    /**
-     * Stores the current scope during template runtime.
-     * this should ideally not be accessed directly from outside template code
-     *
-     * @var mixed
-     */
-    public $scope;
-
-    /**
-     * Stores the scope tree during template runtime.
-     *
-     * @var array
-     */
-    protected $scopeTree;
-
-    /**
-     * Stores the block plugins stack during template runtime.
-     *
-     * @var array
-     */
-    protected $stack;
-
-    /**
-     * Stores the current block plugin at the top of the stack during template runtime.
-     *
-     * @var BlockPlugin
-     */
-    protected $curBlock;
-
-    /**
-     * Stores the output buffer during template runtime.
-     *
-     * @var string
-     */
-    protected $buffer;
-
-    /**
-     * Stores plugin proxy.
-     *
-     * @var IPluginProxy
-     */
-    protected $pluginProxy;
-
-    /**
-     * Constructor, sets the cache and compile dir to the default values if not provided.
-     *
-     * @param string $compileDir path to the compiled directory, defaults to lib/compiled
-     * @param string $cacheDir   path to the cache directory, defaults to lib/cache
-     */
-    public function __construct($compileDir = null, $cacheDir = null)
-    {
-        if ($compileDir !== null) {
-            $this->setCompileDir($compileDir);
-        }
-        if ($cacheDir !== null) {
-            $this->setCacheDir($cacheDir);
-        }
-        $this->initGlobals();
-    }
-
-    /**
-     * Resets some runtime variables to allow a cloned object to be used to render sub-templates.
-     *
-     * @return void
-     */
-    public function __clone()
-    {
-        $this->template = null;
-        unset($this->data);
-        unset($this->returnData);
-    }
-
-    /**
-     * Returns the given template rendered using the provided data and optional compiler.
-     *
-     * @param mixed     $_tpl      template, can either be a ITemplate object (i.e. TemplateFile), a
-     *                             valid path to a template, or a template as a string it is recommended to
-     *                             provide a ITemplate as it will probably make things faster, especially if
-     *                             you render a template multiple times
-     * @param mixed     $data      the data to use, can either be a IDataProvider object (i.e. Data) or
-     *                             an associative array. if you're rendering the template from cache, it can be
-     *                             left null
-     * @param ICompiler $_compiler the compiler that must be used to compile the template, if left empty a default
-     *                             Compiler will be used
-     *
-     * @return string|void or the template output if $output is false
-     * @throws Exception
-     */
-    public function get($_tpl, $data = array(), $_compiler = null)
-    {
-        // a render call came from within a template, so we need a new dwoo instance in order to avoid breaking this one
-        if ($this->template instanceof ITemplate) {
-            $clone = clone $this;
-
-            return $clone->get($_tpl, $data, $_compiler);
-        }
-
-        // auto-create template if required
-        if ($_tpl instanceof ITemplate) {
-            // valid, skip
-        } elseif (is_string($_tpl) && file_exists($_tpl)) {
-            $_tpl = new TemplateFile($_tpl);
-        } else {
-            throw new Exception(
-                'Dwoo->get\'s first argument must be a ITemplate (i.e. TemplateFile) or 
+	/**
+	 * Current version number.
+	 *
+	 * @var string
+	 */
+	const VERSION = '1.3.0';
+
+	/**
+	 * Unique number of this dwoo release, based on version number.
+	 * this can be used by templates classes to check whether the compiled template
+	 * has been compiled before this release or not, so that old templates are
+	 * recompiled automatically when Dwoo is updated
+	 */
+	const RELEASE_TAG = 130;
+
+	/**
+	 * Constants that represents all plugin types
+	 * these are bitwise-operation-safe values to allow multiple types
+	 * on a single plugin
+	 *
+	 * @var int
+	 */
+	const CLASS_PLUGIN      = 1;
+	const FUNC_PLUGIN       = 2;
+	const NATIVE_PLUGIN     = 4;
+	const BLOCK_PLUGIN      = 8;
+	const COMPILABLE_PLUGIN = 16;
+	const CUSTOM_PLUGIN     = 32;
+	const SMARTY_MODIFIER   = 64;
+	const SMARTY_BLOCK      = 128;
+	const SMARTY_FUNCTION   = 256;
+	const PROXY_PLUGIN      = 512;
+	const TEMPLATE_PLUGIN   = 1024;
+
+	/**
+	 * Constant to default namespaces of builtin plugins
+	 *
+	 * @var string
+	 */
+	const NAMESPACE_PLUGINS_BLOCKS     = 'Dwoo\Plugins\Blocks\\';
+	const NAMESPACE_PLUGINS_FILTERS    = 'Dwoo\Plugins\Filters\\';
+	const NAMESPACE_PLUGINS_FUNCTIONS  = 'Dwoo\Plugins\Functions\\';
+	const NAMESPACE_PLUGINS_HELPERS    = 'Dwoo\Plugins\Helpers\\';
+	const NAMESPACE_PLUGINS_PROCESSORS = 'Dwoo\Plugins\Processors\\';
+
+	/**
+	 * Character set of the template, used by string manipulation plugins.
+	 * it must be lowercase, but setCharset() will take care of that
+	 *
+	 * @see setCharset
+	 * @see getCharset
+	 * @var string
+	 */
+	protected $charset = 'UTF-8';
+
+	/**
+	 * Global variables that are accessible through $dwoo.* in the templates.
+	 * default values include:
+	 * $dwoo.version - current version number
+	 * $dwoo.ad - a Powered by Dwoo link pointing to dwoo.org
+	 * $dwoo.now - the current time
+	 * $dwoo.template - the current template filename
+	 * $dwoo.charset - the character set used by the template
+	 * on top of that, foreach and other plugins can store special values in there,
+	 * see their documentation for more details.
+	 *
+	 * @var array
+	 */
+	public $globals;
+
+	/**
+	 * Directory where the compiled templates are stored.
+	 * defaults to DWOO_COMPILEDIR (= dwoo_dir/compiled by default)
+	 *
+	 * @var string
+	 */
+	protected $compileDir;
+
+	/**
+	 * Directory where the cached templates are stored.
+	 * defaults to DWOO_CACHEDIR (= dwoo_dir/cache by default)
+	 *
+	 * @var string
+	 */
+	protected $cacheDir;
+
+	/**
+	 * Defines how long (in seconds) the cached files must remain valid.
+	 * can be overridden on a per-template basis
+	 * -1 = never delete
+	 * 0 = disabled
+	 * >0 = duration in seconds
+	 *
+	 * @var int
+	 */
+	protected $cacheTime = 0;
+
+	/**
+	 * Security policy object.
+	 *
+	 * @var SecurityPolicy
+	 */
+	protected $securityPolicy = null;
+
+	/**
+	 * Stores the custom plugins callbacks.
+	 *
+	 * @see addPlugin
+	 * @see removePlugin
+	 * @var array
+	 */
+	protected $plugins = array();
+
+	/**
+	 * Stores the filter callbacks.
+	 *
+	 * @see addFilter
+	 * @see removeFilter
+	 * @var array
+	 */
+	protected $filters = array();
+
+	/**
+	 * Stores the resource types and associated
+	 * classes / compiler classes.
+	 *
+	 * @var array
+	 */
+	protected $resources = array(
+		'file'   => array(
+			'class'    => 'Dwoo\Template\File',
+			'compiler' => null,
+		),
+		'string' => array(
+			'class'    => 'Dwoo\Template\Str',
+			'compiler' => null,
+		),
+	);
+
+	/**
+	 * The dwoo loader object used to load plugins by this dwoo instance.
+	 *
+	 * @var ILoader
+	 */
+	protected $loader = null;
+
+	/**
+	 * Currently rendered template, set to null when not-rendering.
+	 *
+	 * @var ITemplate
+	 */
+	protected $template = null;
+
+	/**
+	 * Stores the instances of the class plugins during template runtime.
+	 *
+	 * @var array
+	 */
+	protected $runtimePlugins;
+
+	/**
+	 * Stores the returned values during template runtime.
+	 *
+	 * @var array
+	 */
+	protected $returnData;
+
+	/**
+	 * Stores the data during template runtime.
+	 *
+	 * @var array
+	 */
+	public $data;
+
+	/**
+	 * Stores the current scope during template runtime.
+	 * this should ideally not be accessed directly from outside template code
+	 *
+	 * @var mixed
+	 */
+	public $scope;
+
+	/**
+	 * Stores the scope tree during template runtime.
+	 *
+	 * @var array
+	 */
+	protected $scopeTree;
+
+	/**
+	 * Stores the block plugins stack during template runtime.
+	 *
+	 * @var array
+	 */
+	protected $stack;
+
+	/**
+	 * Stores the current block plugin at the top of the stack during template runtime.
+	 *
+	 * @var BlockPlugin
+	 */
+	protected $curBlock;
+
+	/**
+	 * Stores the output buffer during template runtime.
+	 *
+	 * @var string
+	 */
+	protected $buffer;
+
+	/**
+	 * Stores plugin proxy.
+	 *
+	 * @var IPluginProxy
+	 */
+	protected $pluginProxy;
+
+	/**
+	 * Constructor, sets the cache and compile dir to the default values if not provided.
+	 *
+	 * @param string $compileDir path to the compiled directory, defaults to lib/compiled
+	 * @param string $cacheDir   path to the cache directory, defaults to lib/cache
+	 */
+	public function __construct($compileDir = null, $cacheDir = null)
+	{
+		if ($compileDir !== null) {
+			$this->setCompileDir($compileDir);
+		}
+		if ($cacheDir !== null) {
+			$this->setCacheDir($cacheDir);
+		}
+		$this->initGlobals();
+	}
+
+	/**
+	 * Resets some runtime variables to allow a cloned object to be used to render sub-templates.
+	 *
+	 * @return void
+	 */
+	public function __clone()
+	{
+		$this->template = null;
+		unset($this->data);
+		unset($this->returnData);
+	}
+
+	/**
+	 * Returns the given template rendered using the provided data and optional compiler.
+	 *
+	 * @param mixed     $_tpl      template, can either be a ITemplate object (i.e. TemplateFile), a
+	 *                             valid path to a template, or a template as a string it is recommended to
+	 *                             provide a ITemplate as it will probably make things faster, especially if
+	 *                             you render a template multiple times
+	 * @param mixed     $data      the data to use, can either be a IDataProvider object (i.e. Data) or
+	 *                             an associative array. if you're rendering the template from cache, it can be
+	 *                             left null
+	 * @param ICompiler $_compiler the compiler that must be used to compile the template, if left empty a default
+	 *                             Compiler will be used
+	 *
+	 * @return string|void or the template output if $output is false
+	 * @throws Exception
+	 */
+	public function get($_tpl, $data = array(), $_compiler = null)
+	{
+		// a render call came from within a template, so we need a new dwoo instance in order to avoid breaking this one
+		if ($this->template instanceof ITemplate) {
+			$clone = clone $this;
+
+			return $clone->get($_tpl, $data, $_compiler);
+		}
+
+		// auto-create template if required
+		if ($_tpl instanceof ITemplate) {
+			// valid, skip
+		} elseif (is_string($_tpl) && file_exists($_tpl)) {
+			$_tpl = new TemplateFile($_tpl);
+		} else {
+			throw new Exception(
+				'Dwoo->get\'s first argument must be a ITemplate (i.e. TemplateFile) or 
             a valid path to a template file', E_USER_NOTICE
-            );
-        }
-
-        // save the current template, enters render mode at the same time
-        // if another rendering is requested it will be proxied to a new Core(instance
-        $this->template = $_tpl;
-
-        // load data
-        if ($data instanceof IDataProvider) {
-            $this->data = $data->getData();
-        } elseif (is_array($data)) {
-            $this->data = $data;
-        } elseif ($data instanceof ArrayAccess) {
-            $this->data = $data;
-        } else {
-            throw new Exception(
-                'Dwoo->get/Dwoo->output\'s data argument must be a IDataProvider object (i.e. Data) or
+			);
+		}
+
+		// save the current template, enters render mode at the same time
+		// if another rendering is requested it will be proxied to a new Core(instance
+		$this->template = $_tpl;
+
+		// load data
+		if ($data instanceof IDataProvider) {
+			$this->data = $data->getData();
+		} elseif (is_array($data)) {
+			$this->data = $data;
+		} elseif ($data instanceof ArrayAccess) {
+			$this->data = $data;
+		} else {
+			throw new Exception(
+				'Dwoo->get/Dwoo->output\'s data argument must be a IDataProvider object (i.e. Data) or
             an associative array', E_USER_NOTICE
-            );
-        }
-
-        $this->globals['template'] = $_tpl->getName();
-        $this->initRuntimeVars($_tpl);
-
-        // try to get cached template
-        $file        = $_tpl->getCachedTemplate($this);
-        $doCache     = $file === true;
-        $cacheLoaded = is_string($file);
-
-        if ($cacheLoaded === true) {
-            // cache is present, run it
-            ob_start();
-            include $file;
-            $this->template = null;
-
-            return ob_get_clean();
-        } else {
-            $dynamicId = uniqid();
-
-            // render template
-            $compiledTemplate = $_tpl->getCompiledTemplate($this, $_compiler);
-            $out              = include $compiledTemplate;
-
-            // template returned false so it needs to be recompiled
-            if ($out === false) {
-                $_tpl->forceCompilation();
-                $compiledTemplate = $_tpl->getCompiledTemplate($this, $_compiler);
-                $out              = include $compiledTemplate;
-            }
-
-            if ($doCache === true) {
-                $out = preg_replace('/(<%|%>|<\?php|<\?|\?>)/', '<?php /*' . $dynamicId . '*/ echo \'$1\'; ?>', $out);
-                if (!class_exists(self::NAMESPACE_PLUGINS_BLOCKS . 'PluginDynamic')) {
-                    $this->getLoader()->loadPlugin('PluginDynamic');
-                }
-                $out = PluginDynamic::unescape($out, $dynamicId, $compiledTemplate);
-            }
-
-            // process filters
-            foreach ($this->filters as $filter) {
-                if (is_array($filter) && $filter[0] instanceof Filter) {
-                    $out = call_user_func($filter, $out);
-                } else {
-                    $out = call_user_func($filter, $this, $out);
-                }
-            }
-
-            if ($doCache === true) {
-                // building cache
-                $file = $_tpl->cache($this, $out);
-
-                // run it from the cache to be sure dynamics are rendered
-                ob_start();
-                include $file;
-                // exit render mode
-                $this->template = null;
-
-                return ob_get_clean();
-            } else {
-                // no need to build cache
-                // exit render mode
-                $this->template = null;
-
-                return $out;
-            }
-        }
-    }
-
-    /**
-     * Re-initializes the globals array before each template run.
-     * this method is only callede once when the Dwoo object is created
-     *
-     * @return void
-     */
-    protected function initGlobals()
-    {
-        $this->globals = array(
-            'version' => self::VERSION,
-            'ad'      => '<a href="http://dwoo.org/">Powered by Dwoo</a>',
-            'now'     => $_SERVER['REQUEST_TIME'],
-            'charset' => $this->charset,
-        );
-    }
-
-    /**
-     * Re-initializes the runtime variables before each template run.
-     * override this method to inject data in the globals array if needed, this
-     * method is called before each template execution
-     *
-     * @param ITemplate $tpl the template that is going to be rendered
-     *
-     * @return void
-     */
-    protected function initRuntimeVars(ITemplate $tpl)
-    {
-        $this->runtimePlugins = array();
-        $this->scope          = &$this->data;
-        $this->scopeTree      = array();
-        $this->stack          = array();
-        $this->curBlock       = null;
-        $this->buffer         = '';
-        $this->returnData     = array();
-    }
-
-    /**
-     * Adds a custom plugin that is not in one of the plugin directories.
-     *
-     * @param string   $name       the plugin name to be used in the templates
-     * @param callback $callback   the plugin callback, either a function name,
-     *                             a class name or an array containing an object
-     *                             or class name and a method name
-     * @param bool     $compilable if set to true, the plugin is assumed to be compilable
-     *
-     * @return void
-     * @throws Exception
-     */
-    public function addPlugin($name, $callback, $compilable = false)
-    {
-        $compilable = $compilable ? self::COMPILABLE_PLUGIN : 0;
-        if (is_array($callback)) {
-            if (is_subclass_of(is_object($callback[0]) ? get_class($callback[0]) : $callback[0], 'Dwoo\Block\Plugin')) {
-                $this->plugins[$name] = array(
-                    'type'     => self::BLOCK_PLUGIN | $compilable,
-                    'callback' => $callback,
-                    'class'    => (is_object($callback[0]) ? get_class($callback[0]) : $callback[0])
-                );
-            } else {
-                $this->plugins[$name] = array(
-                    'type'     => self::CLASS_PLUGIN | $compilable,
-                    'callback' => $callback,
-                    'class'    => (is_object($callback[0]) ? get_class($callback[0]) : $callback[0]),
-                    'function' => $callback[1]
-                );
-            }
-        } elseif (is_string($callback)) {
-            if (class_exists($callback)) {
-                if (is_subclass_of($callback, 'Dwoo\Block\Plugin')) {
-                    $this->plugins[$name] = array(
-                        'type'     => self::BLOCK_PLUGIN | $compilable,
-                        'callback' => $callback,
-                        'class'    => $callback
-                    );
-                } else {
-                    $this->plugins[$name] = array(
-                        'type'     => self::CLASS_PLUGIN | $compilable,
-                        'callback' => $callback,
-                        'class'    => $callback,
-                        'function' => ($compilable ? 'compile' : 'process')
-                    );
-                }
-            } elseif (function_exists($callback)) {
-                $this->plugins[$name] = array(
-                    'type'     => self::FUNC_PLUGIN | $compilable,
-                    'callback' => $callback
-                );
-            } else {
-                throw new Exception(
-                    'Callback could not be processed correctly, please check that the function/class 
+			);
+		}
+
+		$this->globals['template'] = $_tpl->getName();
+		$this->initRuntimeVars($_tpl);
+
+		// try to get cached template
+		$file        = $_tpl->getCachedTemplate($this);
+		$doCache     = $file === true;
+		$cacheLoaded = is_string($file);
+
+		if ($cacheLoaded === true) {
+			// cache is present, run it
+			ob_start();
+			include $file;
+			$this->template = null;
+
+			return ob_get_clean();
+		} else {
+			$dynamicId = uniqid();
+
+			// render template
+			$compiledTemplate = $_tpl->getCompiledTemplate($this, $_compiler);
+			$out              = include $compiledTemplate;
+
+			// template returned false so it needs to be recompiled
+			if ($out === false) {
+				$_tpl->forceCompilation();
+				$compiledTemplate = $_tpl->getCompiledTemplate($this, $_compiler);
+				$out              = include $compiledTemplate;
+			}
+
+			if ($doCache === true) {
+				$out = preg_replace('/(<%|%>|<\?php|<\?|\?>)/', '<?php /*' . $dynamicId . '*/ echo \'$1\'; ?>', $out);
+				if (!class_exists(self::NAMESPACE_PLUGINS_BLOCKS . 'PluginDynamic')) {
+					$this->getLoader()->loadPlugin('PluginDynamic');
+				}
+				$out = PluginDynamic::unescape($out, $dynamicId, $compiledTemplate);
+			}
+
+			// process filters
+			foreach ($this->filters as $filter) {
+				if (is_array($filter) && $filter[0] instanceof Filter) {
+					$out = call_user_func($filter, $out);
+				} else {
+					$out = call_user_func($filter, $this, $out);
+				}
+			}
+
+			if ($doCache === true) {
+				// building cache
+				$file = $_tpl->cache($this, $out);
+
+				// run it from the cache to be sure dynamics are rendered
+				ob_start();
+				include $file;
+				// exit render mode
+				$this->template = null;
+
+				return ob_get_clean();
+			} else {
+				// no need to build cache
+				// exit render mode
+				$this->template = null;
+
+				return $out;
+			}
+		}
+	}
+
+	/**
+	 * Re-initializes the globals array before each template run.
+	 * this method is only callede once when the Dwoo object is created
+	 *
+	 * @return void
+	 */
+	protected function initGlobals()
+	{
+		$this->globals = array(
+			'version' => self::VERSION,
+			'ad'      => '<a href="http://dwoo.org/">Powered by Dwoo</a>',
+			'now'     => $_SERVER['REQUEST_TIME'],
+			'charset' => $this->charset,
+		);
+	}
+
+	/**
+	 * Re-initializes the runtime variables before each template run.
+	 * override this method to inject data in the globals array if needed, this
+	 * method is called before each template execution
+	 *
+	 * @param ITemplate $tpl the template that is going to be rendered
+	 *
+	 * @return void
+	 */
+	protected function initRuntimeVars(ITemplate $tpl)
+	{
+		$this->runtimePlugins = array();
+		$this->scope          = &$this->data;
+		$this->scopeTree      = array();
+		$this->stack          = array();
+		$this->curBlock       = null;
+		$this->buffer         = '';
+		$this->returnData     = array();
+	}
+
+	/**
+	 * Adds a custom plugin that is not in one of the plugin directories.
+	 *
+	 * @param string   $name       the plugin name to be used in the templates
+	 * @param callback $callback   the plugin callback, either a function name,
+	 *                             a class name or an array containing an object
+	 *                             or class name and a method name
+	 * @param bool     $compilable if set to true, the plugin is assumed to be compilable
+	 *
+	 * @return void
+	 * @throws Exception
+	 */
+	public function addPlugin($name, $callback, $compilable = false)
+	{
+		$compilable = $compilable ? self::COMPILABLE_PLUGIN : 0;
+		if (is_array($callback)) {
+			if (is_subclass_of(is_object($callback[0]) ? get_class($callback[0]) : $callback[0], 'Dwoo\Block\Plugin')) {
+				$this->plugins[$name] = array(
+					'type'     => self::BLOCK_PLUGIN | $compilable,
+					'callback' => $callback,
+					'class'    => (is_object($callback[0]) ? get_class($callback[0]) : $callback[0])
+				);
+			} else {
+				$this->plugins[$name] = array(
+					'type'     => self::CLASS_PLUGIN | $compilable,
+					'callback' => $callback,
+					'class'    => (is_object($callback[0]) ? get_class($callback[0]) : $callback[0]),
+					'function' => $callback[1]
+				);
+			}
+		} elseif (is_string($callback)) {
+			if (class_exists($callback)) {
+				if (is_subclass_of($callback, 'Dwoo\Block\Plugin')) {
+					$this->plugins[$name] = array(
+						'type'     => self::BLOCK_PLUGIN | $compilable,
+						'callback' => $callback,
+						'class'    => $callback
+					);
+				} else {
+					$this->plugins[$name] = array(
+						'type'     => self::CLASS_PLUGIN | $compilable,
+						'callback' => $callback,
+						'class'    => $callback,
+						'function' => ($compilable ? 'compile' : 'process')
+					);
+				}
+			} elseif (function_exists($callback)) {
+				$this->plugins[$name] = array(
+					'type'     => self::FUNC_PLUGIN | $compilable,
+					'callback' => $callback
+				);
+			} else {
+				throw new Exception(
+					'Callback could not be processed correctly, please check that the function/class 
                 you used exists'
-                );
-            }
-        } elseif ($callback instanceof Closure) {
-            $this->plugins[$name] = array(
-                'type'     => self::FUNC_PLUGIN | $compilable,
-                'callback' => $callback
-            );
-        } else {
-            throw new Exception(
-                'Callback could not be processed correctly, please check that the function/class you 
+				);
+			}
+		} elseif ($callback instanceof Closure) {
+			$this->plugins[$name] = array(
+				'type'     => self::FUNC_PLUGIN | $compilable,
+				'callback' => $callback
+			);
+		} else {
+			throw new Exception(
+				'Callback could not be processed correctly, please check that the function/class you 
             used exists'
-            );
-        }
-    }
-
-    /**
-     * Removes a custom plugin.
-     *
-     * @param string $name the plugin name
-     *
-     * @return void
-     */
-    public function removePlugin($name)
-    {
-        if (isset($this->plugins[$name])) {
-            unset($this->plugins[$name]);
-        }
-    }
-
-    /**
-     * Adds a filter to this Dwoo instance, it will be used to filter the output of all the templates rendered by this
-     * instance.
-     *
-     * @param mixed $callback a callback or a filter name if it is autoloaded from a plugin directory
-     * @param bool  $autoload if true, the first parameter must be a filter name from one of the plugin directories
-     *
-     * @return void
-     * @throws Exception
-     */
-    public function addFilter($callback, $autoload = false)
-    {
-        if ($autoload) {
-            $class = self::NAMESPACE_PLUGINS_FILTERS . self::toCamelCase($callback);
-            if (!class_exists($class) && !function_exists($class)) {
-                try {
-                    $this->getLoader()->loadPlugin($callback);
-                }
-                catch (Exception $e) {
-                    if (strstr($callback, self::NAMESPACE_PLUGINS_FILTERS)) {
-                        throw new Exception(
-                            'Wrong filter name : ' . $callback . ', the "Dwoo_Filter_" prefix should 
+			);
+		}
+	}
+
+	/**
+	 * Removes a custom plugin.
+	 *
+	 * @param string $name the plugin name
+	 *
+	 * @return void
+	 */
+	public function removePlugin($name)
+	{
+		if (isset($this->plugins[$name])) {
+			unset($this->plugins[$name]);
+		}
+	}
+
+	/**
+	 * Adds a filter to this Dwoo instance, it will be used to filter the output of all the templates rendered by this
+	 * instance.
+	 *
+	 * @param mixed $callback a callback or a filter name if it is autoloaded from a plugin directory
+	 * @param bool  $autoload if true, the first parameter must be a filter name from one of the plugin directories
+	 *
+	 * @return void
+	 * @throws Exception
+	 */
+	public function addFilter($callback, $autoload = false)
+	{
+		if ($autoload) {
+			$class = self::NAMESPACE_PLUGINS_FILTERS . self::toCamelCase($callback);
+			if (!class_exists($class) && !function_exists($class)) {
+				try {
+					$this->getLoader()->loadPlugin($callback);
+				}
+				catch (Exception $e) {
+					if (strstr($callback, self::NAMESPACE_PLUGINS_FILTERS)) {
+						throw new Exception(
+							'Wrong filter name : ' . $callback . ', the "Dwoo_Filter_" prefix should 
                         not be used, please only use "' . str_replace('Dwoo_Filter_', '', $callback) . '"'
-                        );
-                    } else {
-                        throw new Exception(
-                            'Wrong filter name : ' . $callback . ', when using autoload the filter must
+						);
+					} else {
+						throw new Exception(
+							'Wrong filter name : ' . $callback . ', when using autoload the filter must
                          be in one of your plugin dir as "name.php" containig a class or function named
                          "Dwoo_Filter_name"'
-                        );
-                    }
-                }
-            }
-
-            if (class_exists($class)) {
-                $callback = array(new $class($this), 'process');
-            } elseif (function_exists($class)) {
-                $callback = $class;
-            } else {
-                throw new Exception(
-                    'Wrong filter name : ' . $callback . ', when using autoload the filter must be in
+						);
+					}
+				}
+			}
+
+			if (class_exists($class)) {
+				$callback = array(new $class($this), 'process');
+			} elseif (function_exists($class)) {
+				$callback = $class;
+			} else {
+				throw new Exception(
+					'Wrong filter name : ' . $callback . ', when using autoload the filter must be in
                 one of your plugin dir as "name.php" containig a class or function named "Dwoo_Filter_name"'
-                );
-            }
-
-            $this->filters[] = $callback;
-        } else {
-            $this->filters[] = $callback;
-        }
-    }
-
-    /**
-     * Removes a filter.
-     *
-     * @param mixed $callback callback or filter name if it was autoloaded
-     *
-     * @return void
-     */
-    public function removeFilter($callback)
-    {
-        if (($index = array_search(self::NAMESPACE_PLUGINS_FILTERS. 'Filter' . self::toCamelCase($callback), $this->filters,
-                true)) !==
-            false) {
-            unset($this->filters[$index]);
-        } elseif (($index = array_search($callback, $this->filters, true)) !== false) {
-            unset($this->filters[$index]);
-        } else {
-            $class = self::NAMESPACE_PLUGINS_FILTERS . 'Filter' . $callback;
-            foreach ($this->filters as $index => $filter) {
-                if (is_array($filter) && $filter[0] instanceof $class) {
-                    unset($this->filters[$index]);
-                    break;
-                }
-            }
-        }
-    }
-
-    /**
-     * Adds a resource or overrides a default one.
-     *
-     * @param string   $name            the resource name
-     * @param string   $class           the resource class (which must implement ITemplate)
-     * @param callback $compilerFactory the compiler factory callback, a function that must return a compiler instance
-     *                                  used to compile this resource, if none is provided. by default it will produce
-     *                                  a Compiler object
-     *
-     * @return void
-     * @throws Exception
-     */
-    public function addResource($name, $class, $compilerFactory = null)
-    {
-        if (strlen($name) < 2) {
-            throw new Exception('Resource names must be at least two-character long to avoid conflicts with Windows paths');
-        }
-
-        if (!class_exists($class)) {
-            throw new Exception(sprintf('Resource class %s does not exist', $class));
-        }
-
-        $interfaces = class_implements($class);
-        if (in_array('Dwoo\ITemplate', $interfaces) === false) {
-            throw new Exception('Resource class must implement ITemplate');
-        }
-
-        $this->resources[$name] = array(
-            'class'    => $class,
-            'compiler' => $compilerFactory
-        );
-    }
-
-    /**
-     * Removes a custom resource.
-     *
-     * @param string $name the resource name
-     *
-     * @return void
-     */
-    public function removeResource($name)
-    {
-        unset($this->resources[$name]);
-        if ($name === 'file') {
-            $this->resources['file'] = array(
-                'class'    => 'Dwoo\Template\File',
-                'compiler' => null
-            );
-        }
-    }
-
-    /**
-     * Sets the loader object to use to load plugins.
-     *
-     * @param ILoader $loader loader
-     *
-     * @return void
-     */
-    public function setLoader(ILoader $loader)
-    {
-        $this->loader = $loader;
-    }
-
-    /**
-     * Returns the current loader object or a default one if none is currently found.
-     *
-     * @return ILoader|Loader
-     */
-    public function getLoader()
-    {
-        if ($this->loader === null) {
-            $this->loader = new Loader($this->getCompileDir());
-        }
-
-        return $this->loader;
-    }
-
-    /**
-     * Returns the custom plugins loaded.
-     * Used by the ITemplate classes to pass the custom plugins to their ICompiler instance.
-     *
-     * @return array
-     */
-    public function getCustomPlugins()
-    {
-        return $this->plugins;
-    }
-
-    /**
-     * Return a specified custom plugin loaded by his name.
-     * Used by the compiler, for executing a Closure.
-     *
-     * @param string $name
-     *
-     * @return mixed|null
-     */
-    public function getCustomPlugin($name)
-    {
-        if (isset($this->plugins[$name])) {
-            return $this->plugins[$name]['callback'];
-        }
-
-        return null;
-    }
-
-    /**
-     * Returns the cache directory with a trailing DIRECTORY_SEPARATOR.
-     *
-     * @return string
-     */
-    public function getCacheDir()
-    {
-        if ($this->cacheDir === null) {
-            $this->setCacheDir(dirname(__DIR__) . DIRECTORY_SEPARATOR . 'cache' . DIRECTORY_SEPARATOR);
-        }
-
-        return $this->cacheDir;
-    }
-
-    /**
-     * Sets the cache directory and automatically appends a DIRECTORY_SEPARATOR.
-     *
-     * @param string $dir the cache directory
-     *
-     * @return void
-     * @throws Exception
-     */
-    public function setCacheDir($dir)
-    {
-        $this->cacheDir = rtrim($dir, '/\\') . DIRECTORY_SEPARATOR;
-        if (is_writable($this->cacheDir) === false) {
-            throw new Exception('The cache directory must be writable, chmod "' . $this->cacheDir . '" to make it writable');
-        }
-    }
-
-    /**
-     * Returns the compile directory with a trailing DIRECTORY_SEPARATOR.
-     *
-     * @return string
-     */
-    public function getCompileDir()
-    {
-        if ($this->compileDir === null) {
-            $this->setCompileDir(dirname(__DIR__) . DIRECTORY_SEPARATOR . 'compiled' . DIRECTORY_SEPARATOR);
-        }
-
-        return $this->compileDir;
-    }
-
-    /**
-     * Sets the compile directory and automatically appends a DIRECTORY_SEPARATOR.
-     *
-     * @param string $dir the compile directory
-     *
-     * @return void
-     * @throws Exception
-     */
-    public function setCompileDir($dir)
-    {
-        $this->compileDir = rtrim($dir, '/\\') . DIRECTORY_SEPARATOR;
-        if (is_writable($this->compileDir) === false) {
-            throw new Exception('The compile directory must be writable, chmod "' . $this->compileDir . '" to make it writable');
-        }
-    }
-
-    /**
-     * Returns the default cache time that is used with templates that do not have a cache time set.
-     *
-     * @return int the duration in seconds
-     */
-    public function getCacheTime()
-    {
-        return $this->cacheTime;
-    }
-
-    /**
-     * Sets the default cache time to use with templates that do not have a cache time set.
-     *
-     * @param int $seconds the duration in seconds
-     *
-     * @return void
-     */
-    public function setCacheTime($seconds)
-    {
-        $this->cacheTime = (int)$seconds;
-    }
-
-    /**
-     * Returns the character set used by the string manipulation plugins.
-     * the charset is automatically lowercased
-     *
-     * @return string
-     */
-    public function getCharset()
-    {
-        return $this->charset;
-    }
-
-    /**
-     * Sets the character set used by the string manipulation plugins.
-     * the charset will be automatically lowercased
-     *
-     * @param string $charset the character set
-     *
-     * @return void
-     */
-    public function setCharset($charset)
-    {
-        $this->charset = strtolower((string)$charset);
-    }
-
-    /**
-     * Returns the current template being rendered, when applicable, or null.
-     *
-     * @return ITemplate|null
-     */
-    public function getTemplate()
-    {
-        return $this->template;
-    }
-
-    /**
-     * Sets the current template being rendered.
-     *
-     * @param ITemplate $tpl template object
-     *
-     * @return void
-     */
-    public function setTemplate(ITemplate $tpl)
-    {
-        $this->template = $tpl;
-    }
-
-    /**
-     * Sets the default compiler factory function for the given resource name.
-     * a compiler factory must return a ICompiler object pre-configured to fit your needs
-     *
-     * @param string   $resourceName    the resource name (i.e. file, string)
-     * @param callback $compilerFactory the compiler factory callback
-     *
-     * @return void
-     */
-    public function setDefaultCompilerFactory($resourceName, $compilerFactory)
-    {
-        $this->resources[$resourceName]['compiler'] = $compilerFactory;
-    }
-
-    /**
-     * Returns the default compiler factory function for the given resource name.
-     *
-     * @param string $resourceName the resource name
-     *
-     * @return callback the compiler factory callback
-     */
-    public function getDefaultCompilerFactory($resourceName)
-    {
-        return $this->resources[$resourceName]['compiler'];
-    }
-
-    /**
-     * Sets the security policy object to enforce some php security settings.
-     * use this if untrusted persons can modify templates
-     *
-     * @param SecurityPolicy $policy the security policy object
-     *
-     * @return void
-     */
-    public function setSecurityPolicy(SecurityPolicy $policy = null)
-    {
-        $this->securityPolicy = $policy;
-    }
-
-    /**
-     * Returns the current security policy object or null by default.
-     *
-     * @return SecurityPolicy|null the security policy object if any
-     */
-    public function getSecurityPolicy()
-    {
-        return $this->securityPolicy;
-    }
-
-    /**
-     * Sets the object that must be used as a plugin proxy when plugin can't be found
-     * by dwoo's loader.
-     *
-     * @param IPluginProxy $pluginProxy the proxy object
-     *
-     * @return void
-     */
-    public function setPluginProxy(IPluginProxy $pluginProxy)
-    {
-        $this->pluginProxy = $pluginProxy;
-    }
-
-    /**
-     * Returns the current plugin proxy object or null by default.
-     *
-     * @return IPluginProxy
-     */
-    public function getPluginProxy()
-    {
-        return $this->pluginProxy;
-    }
-
-    /**
-     * Checks whether the given template is cached or not.
-     *
-     * @param ITemplate $tpl the template object
-     *
-     * @return bool
-     */
-    public function isCached(ITemplate $tpl)
-    {
-        return is_string($tpl->getCachedTemplate($this));
-    }
-
-    /**
-     * Clear templates inside the compiled directory.
-     *
-     * @return int
-     */
-    public function clearCompiled()
-    {
-        $iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->getCompileDir()), \RecursiveIteratorIterator::SELF_FIRST);
-        $count    = 0;
-        foreach ($iterator as $file) {
-            if ($file->isFile()) {
-                $count += unlink($file->__toString()) ? 1 : 0;
-            }
-        }
-
-        return $count;
-    }
-
-    /**
-     * Clears the cached templates if they are older than the given time.
-     *
-     * @param int $olderThan minimum time (in seconds) required for a cached template to be cleared
-     *
-     * @return int the amount of templates cleared
-     */
-    public function clearCache($olderThan = - 1)
-    {
-        $iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->getCacheDir()), \RecursiveIteratorIterator::SELF_FIRST);
-        $expired  = time() - $olderThan;
-        $count    = 0;
-        foreach ($iterator as $file) {
-            if ($file->isFile() && $file->getCTime() < $expired) {
-                $count += unlink((string)$file) ? 1 : 0;
-            }
-        }
-
-        return $count;
-    }
-
-    /**
-     * Fetches a template object of the given resource.
-     *
-     * @param string    $resourceName   the resource name (i.e. file, string)
-     * @param string    $resourceId     the resource identifier (i.e. file path)
-     * @param int       $cacheTime      the cache time setting for this resource
-     * @param string    $cacheId        the unique cache identifier
-     * @param string    $compileId      the unique compiler identifier
-     * @param ITemplate $parentTemplate the parent template
-     *
-     * @return ITemplate
-     * @throws Exception
-     */
-    public function templateFactory($resourceName, $resourceId, $cacheTime = null, $cacheId = null, $compileId = null, ITemplate $parentTemplate = null)
-    {
-        if (isset($this->resources[$resourceName])) {
-            /**
-             * Interface ITemplate
-             *
-             * @var ITemplate $class
-             */
-            $class = $this->resources[$resourceName]['class'];
-
-            return $class::templateFactory($this, $resourceId, $cacheTime, $cacheId, $compileId, $parentTemplate);
-        }
-
-        throw new Exception('Unknown resource type : ' . $resourceName);
-    }
-
-    /**
-     * Checks if the input is an array or arrayaccess object, optionally it can also check if it's
-     * empty.
-     *
-     * @param mixed $value        the variable to check
-     * @param bool  $checkIsEmpty if true, the function will also check if the array|arrayaccess is empty,
-     *                            and return true only if it's not empty
-     *
-     * @return int|bool true if it's an array|arrayaccess (or the item count if $checkIsEmpty is true) or false if it's
-     *                  not an array|arrayaccess (or 0 if $checkIsEmpty is true)
-     */
-    public function isArray($value, $checkIsEmpty = false)
-    {
-        if (is_array($value) === true || $value instanceof ArrayAccess) {
-            if ($checkIsEmpty === false) {
-                return true;
-            }
-
-            return $this->count($value);
-        }
-
-        return false;
-    }
-
-    /**
-     * Checks if the input is an array or a traversable object, optionally it can also check if it's
-     * empty.
-     *
-     * @param mixed $value        the variable to check
-     * @param bool  $checkIsEmpty if true, the function will also check if the array|traversable is empty,
-     *                            and return true only if it's not empty
-     *
-     * @return int|bool true if it's an array|traversable (or the item count if $checkIsEmpty is true) or false if it's
-     *                  not an array|traversable (or 0 if $checkIsEmpty is true)
-     */
-    public function isTraversable($value, $checkIsEmpty = false)
-    {
-        if (is_array($value) === true) {
-            if ($checkIsEmpty === false) {
-                return true;
-            } else {
-                return count($value) > 0;
-            }
-        } elseif ($value instanceof Traversable) {
-            if ($checkIsEmpty === false) {
-                return true;
-            } else {
-                return $this->count($value);
-            }
-        }
-
-        return false;
-    }
-
-    /**
-     * Counts an array or arrayaccess/traversable object.
-     *
-     * @param mixed $value the value to count
-     *
-     * @return int|bool the count for arrays and objects that implement countable, true for other objects that don't,
-     *                  and 0 for empty elements
-     */
-    public function count($value)
-    {
-        if (is_array($value) === true || $value instanceof Countable) {
-            return count($value);
-        } elseif ($value instanceof ArrayAccess) {
-            if ($value->offsetExists(0)) {
-                return true;
-            }
-        } elseif ($value instanceof Iterator) {
-            $value->rewind();
-            if ($value->valid()) {
-                return true;
-            }
-        } elseif ($value instanceof Traversable) {
-            foreach ($value as $dummy) {
-                return true;
-            }
-        }
-
-        return 0;
-    }
-
-    /**
-     * Triggers a dwoo error.
-     *
-     * @param string $message the error message
-     * @param int    $level   the error level, one of the PHP's E_* constants
-     *
-     * @return void
-     */
-    public function triggerError($message, $level = E_USER_NOTICE)
-    {
-        if (!($tplIdentifier = $this->template->getResourceIdentifier())) {
-            $tplIdentifier = $this->template->getResourceName();
-        }
-        trigger_error('Dwoo error (in ' . $tplIdentifier . ') : ' . $message, $level);
-    }
-
-    /**
-     * Adds a block to the block stack.
-     *
-     * @param string $blockName the block name (without Dwoo_Plugin_ prefix)
-     * @param array  $args      the arguments to be passed to the block's init() function
-     *
-     * @return BlockPlugin the newly created block
-     */
-    public function addStack($blockName, array $args = array())
-    {
-        if (isset($this->plugins[$blockName])) {
-            $class = $this->plugins[$blockName]['class'];
-        } else {
-            $class = self::NAMESPACE_PLUGINS_BLOCKS . 'Plugin' . self::toCamelCase($blockName);
-        }
-
-        if ($this->curBlock !== null) {
-            $this->curBlock->buffer(ob_get_contents());
-            ob_clean();
-        } else {
-            $this->buffer .= ob_get_contents();
-            ob_clean();
-        }
-
-        $block = new $class($this);
-
-        call_user_func_array(array($block, 'init'), $args);
-
-        $this->stack[] = $this->curBlock = $block;
-
-        return $block;
-    }
-
-    /**
-     * Removes the plugin at the top of the block stack.
-     * Calls the block buffer() function, followed by a call to end() and finally a call to process()
-     *
-     * @return void
-     */
-    public function delStack()
-    {
-        $args = func_get_args();
-
-        $this->curBlock->buffer(ob_get_contents());
-        ob_clean();
-
-        call_user_func_array(array($this->curBlock, 'end'), $args);
-
-        $tmp = array_pop($this->stack);
-
-        if (count($this->stack) > 0) {
-            $this->curBlock = end($this->stack);
-            $this->curBlock->buffer($tmp->process());
-        } else {
-            if ($this->buffer !== '') {
-                echo $this->buffer;
-                $this->buffer = '';
-            }
-            $this->curBlock = null;
-            echo $tmp->process();
-        }
-
-        unset($tmp);
-    }
-
-    /**
-     * Returns the parent block of the given block.
-     *
-     * @param BlockPlugin $block the block class plugin
-     *
-     * @return BlockPlugin|false if the given block isn't in the stack
-     */
-    public function getParentBlock(BlockPlugin $block)
-    {
-        $index = array_search($block, $this->stack, true);
-        if ($index !== false && $index > 0) {
-            return $this->stack[$index - 1];
-        }
-
-        return false;
-    }
-
-    /**
-     * Finds the closest block of the given type, starting at the top of the stack.
-     *
-     * @param string $type the type of plugin you want to find
-     *
-     * @return BlockPlugin|false if no plugin of such type is in the stack
-     */
-    public function findBlock($type)
-    {
-        if (isset($this->plugins[$type])) {
-            $type = $this->plugins[$type]['class'];
-        } else {
-            $type = self::NAMESPACE_PLUGINS_BLOCKS . 'Plugin_' . str_replace(self::NAMESPACE_PLUGINS_BLOCKS.'Plugin',
-                    '', $type);
-        }
-
-        $keys = array_keys($this->stack);
-        while (($key = array_pop($keys)) !== false) {
-            if ($this->stack[$key] instanceof $type) {
-                return $this->stack[$key];
-            }
-        }
-
-        return false;
-    }
-
-    /**
-     * Returns a Plugin of the given class.
-     * this is so a single instance of every class plugin is created at each template run,
-     * allowing class plugins to have "per-template-run" static variables
-     *
-     * @param string $class the class name
-     *
-     * @return mixed an object of the given class
-     */
-    public function getObjectPlugin($class)
-    {
-        if (isset($this->runtimePlugins[$class])) {
-            return $this->runtimePlugins[$class];
-        }
-
-        return $this->runtimePlugins[$class] = new $class($this);
-    }
-
-    /**
-     * Calls the process() method of the given class-plugin name.
-     *
-     * @param string $plugName the class plugin name (without Dwoo_Plugin_ prefix)
-     * @param array  $params   an array of parameters to send to the process() method
-     *
-     * @return string the process() return value
-     */
-    public function classCall($plugName, array $params = array())
-    {
-        $class  = self::toCamelCase($plugName);
-        $plugin = $this->getObjectPlugin($class);
-
-        return call_user_func_array(array($plugin, 'process'), $params);
-    }
-
-    /**
-     * Calls a php function.
-     *
-     * @param string $callback the function to call
-     * @param array  $params   an array of parameters to send to the function
-     *
-     * @return mixed the return value of the called function
-     */
-    public function arrayMap($callback, array $params)
-    {
-        if ($params[0] === $this) {
-            $addThis = true;
-            array_shift($params);
-        }
-        if ((is_array($params[0]) || ($params[0] instanceof Iterator && $params[0] instanceof ArrayAccess))) {
-            if (empty($params[0])) {
-                return $params[0];
-            }
-
-            // array map
-            $out = array();
-            $cnt = count($params);
-
-            if (isset($addThis)) {
-                array_unshift($params, $this);
-                $items = $params[1];
-                $keys  = array_keys($items);
-
-                if (is_string($callback) === false) {
-                    while (($i = array_shift($keys)) !== null) {
-                        $out[] = call_user_func_array($callback, array(1 => $items[$i]) + $params);
-                    }
-                } elseif ($cnt === 1) {
-                    while (($i = array_shift($keys)) !== null) {
-                        $out[] = $callback($this, $items[$i]);
-                    }
-                } elseif ($cnt === 2) {
-                    while (($i = array_shift($keys)) !== null) {
-                        $out[] = $callback($this, $items[$i], $params[2]);
-                    }
-                } elseif ($cnt === 3) {
-                    while (($i = array_shift($keys)) !== null) {
-                        $out[] = $callback($this, $items[$i], $params[2], $params[3]);
-                    }
-                } else {
-                    while (($i = array_shift($keys)) !== null) {
-                        $out[] = call_user_func_array($callback, array(1 => $items[$i]) + $params);
-                    }
-                }
-            } else {
-                $items = $params[0];
-                $keys  = array_keys($items);
-
-                if (is_string($callback) === false) {
-                    while (($i = array_shift($keys)) !== null) {
-                        $out[] = call_user_func_array($callback, array($items[$i]) + $params);
-                    }
-                } elseif ($cnt === 1) {
-                    while (($i = array_shift($keys)) !== null) {
-                        $out[] = $callback($items[$i]);
-                    }
-                } elseif ($cnt === 2) {
-                    while (($i = array_shift($keys)) !== null) {
-                        $out[] = $callback($items[$i], $params[1]);
-                    }
-                } elseif ($cnt === 3) {
-                    while (($i = array_shift($keys)) !== null) {
-                        $out[] = $callback($items[$i], $params[1], $params[2]);
-                    }
-                } elseif ($cnt === 4) {
-                    while (($i = array_shift($keys)) !== null) {
-                        $out[] = $callback($items[$i], $params[1], $params[2], $params[3]);
-                    }
-                } else {
-                    while (($i = array_shift($keys)) !== null) {
-                        $out[] = call_user_func_array($callback, array($items[$i]) + $params);
-                    }
-                }
-            }
-
-            return $out;
-        } else {
-            return $params[0];
-        }
-    }
-
-    /**
-     * Reads a variable into the given data array.
-     *
-     * @param string $varstr   the variable string, using dwoo variable syntax (i.e. "var.subvar[subsubvar]->property")
-     * @param mixed  $data     the data array or object to read from
-     * @param bool   $safeRead if true, the function will check whether the index exists to prevent any notices from
-     *                         being output
-     *
-     * @return mixed
-     */
-    public function readVarInto($varstr, $data, $safeRead = false)
-    {
-        if ($data === null) {
-            return null;
-        }
-
-        if (is_array($varstr) === false) {
-            preg_match_all('#(\[|->|\.)?((?:[^.[\]-]|-(?!>))+)\]?#i', $varstr, $m);
-        } else {
-            $m = $varstr;
-        }
-        unset($varstr);
-
-        while (list($k, $sep) = each($m[1])) {
-            if ($sep === '.' || $sep === '[' || $sep === '') {
-                // strip enclosing quotes if present
-                $m[2][$k] = preg_replace('#^(["\']?)(.*?)\1$#', '$2', $m[2][$k]);
-
-                if ((is_array($data) || $data instanceof ArrayAccess) && ($safeRead === false || isset($data[$m[2][$k]]))) {
-                    $data = $data[$m[2][$k]];
-                } else {
-                    return null;
-                }
-            } else {
-                if (is_object($data) && ($safeRead === false || isset($data->{$m[2][$k]}))) {
-                    $data = $data->{$m[2][$k]};
-                } else {
-                    return null;
-                }
-            }
-        }
-
-        return $data;
-    }
-
-    /**
-     * Reads a variable into the parent scope.
-     *
-     * @param int    $parentLevels the amount of parent levels to go from the current scope
-     * @param string $varstr       the variable string, using dwoo variable syntax (i.e.
-     *                             "var.subvar[subsubvar]->property")
-     *
-     * @return mixed
-     */
-    public function readParentVar($parentLevels, $varstr = null)
-    {
-        $tree = $this->scopeTree;
-        $cur  = $this->data;
-
-        while ($parentLevels -- !== 0) {
-            array_pop($tree);
-        }
-
-        while (($i = array_shift($tree)) !== null) {
-            if (is_object($cur)) {
-                $cur = $cur->{$i};
-            } else {
-                $cur = $cur[$i];
-            }
-        }
-
-        if ($varstr !== null) {
-            return $this->readVarInto($varstr, $cur);
-        } else {
-            return $cur;
-        }
-    }
-
-    /**
-     * Reads a variable into the current scope.
-     *
-     * @param string $varstr the variable string, using dwoo variable syntax (i.e. "var.subvar[subsubvar]->property")
-     *
-     * @return mixed
-     */
-    public function readVar($varstr)
-    {
-        if (is_array($varstr) === true) {
-            $m = $varstr;
-            unset($varstr);
-        } else {
-            if (strstr($varstr, '.') === false && strstr($varstr, '[') === false && strstr($varstr, '->') === false) {
-                if ($varstr === 'dwoo') {
-                    return $this->globals;
-                } elseif ($varstr === '__' || $varstr === '_root') {
-                    return $this->data;
-                } elseif ($varstr === '_' || $varstr === '_parent') {
-                    $varstr = '.' . $varstr;
-                    $tree   = $this->scopeTree;
-                    $cur    = $this->data;
-                    array_pop($tree);
-
-                    while (($i = array_shift($tree)) !== null) {
-                        if (is_object($cur)) {
-                            $cur = $cur->{$i};
-                        } else {
-                            $cur = $cur[$i];
-                        }
-                    }
-
-                    return $cur;
-                }
-
-                $cur = $this->scope;
-
-                if (isset($cur[$varstr])) {
-                    return $cur[$varstr];
-                } else {
-                    return null;
-                }
-            }
-
-            if (substr($varstr, 0, 1) === '.') {
-                $varstr = 'dwoo' . $varstr;
-            }
-
-            preg_match_all('#(\[|->|\.)?((?:[^.[\]-]|-(?!>))+)\]?#i', $varstr, $m);
-        }
-
-        $i = $m[2][0];
-        if ($i === 'dwoo') {
-            $cur = $this->globals;
-            array_shift($m[2]);
-            array_shift($m[1]);
-            switch ($m[2][0]) {
-            case 'get':
-                $cur = $_GET;
-                break;
-            case 'post':
-                $cur = $_POST;
-                break;
-            case 'session':
-                $cur = $_SESSION;
-                break;
-            case 'cookies':
-            case 'cookie':
-                $cur = $_COOKIE;
-                break;
-            case 'server':
-                $cur = $_SERVER;
-                break;
-            case 'env':
-                $cur = $_ENV;
-                break;
-            case 'request':
-                $cur = $_REQUEST;
-                break;
-            case 'const':
-                array_shift($m[2]);
-                if (defined($m[2][0])) {
-                    return constant($m[2][0]);
-                } else {
-                    return null;
-                }
-            }
-            if ($cur !== $this->globals) {
-                array_shift($m[2]);
-                array_shift($m[1]);
-            }
-        } elseif ($i === '__' || $i === '_root') {
-            $cur = $this->data;
-            array_shift($m[2]);
-            array_shift($m[1]);
-        } elseif ($i === '_' || $i === '_parent') {
-            $tree = $this->scopeTree;
-            $cur  = $this->data;
-
-            while (true) {
-                array_pop($tree);
-                array_shift($m[2]);
-                array_shift($m[1]);
-                if (current($m[2]) === '_' || current($m[2]) === '_parent') {
-                    continue;
-                }
-
-                while (($i = array_shift($tree)) !== null) {
-                    if (is_object($cur)) {
-                        $cur = $cur->{$i};
-                    } else {
-                        $cur = $cur[$i];
-                    }
-                }
-                break;
-            }
-        } else {
-            $cur = $this->scope;
-        }
-
-        while (list($k, $sep) = each($m[1])) {
-            if ($sep === '.' || $sep === '[' || $sep === '') {
-                if ((is_array($cur) || $cur instanceof ArrayAccess) && isset($cur[$m[2][$k]])) {
-                    $cur = $cur[$m[2][$k]];
-                } else {
-                    return null;
-                }
-            } elseif ($sep === '->') {
-                if (is_object($cur)) {
-                    $cur = $cur->{$m[2][$k]};
-                } else {
-                    return null;
-                }
-            } else {
-                return null;
-            }
-        }
-
-        return $cur;
-    }
-
-    /**
-     * Assign the value to the given variable.
-     *
-     * @param mixed  $value the value to assign
-     * @param string $scope the variable string, using dwoo variable syntax (i.e. "var.subvar[subsubvar]->property")
-     *
-     * @return bool true if assigned correctly or false if a problem occured while parsing the var string
-     */
-    public function assignInScope($value, $scope)
-    {
-        if (!is_string($scope)) {
-            $this->triggerError('Assignments must be done into strings, (' . gettype($scope) . ') ' . var_export($scope, true) . ' given', E_USER_ERROR);
-        }
-        if (strstr($scope, '.') === false && strstr($scope, '->') === false) {
-            $this->scope[$scope] = $value;
-        } else {
-            // TODO handle _root/_parent scopes ?
-            preg_match_all('#(\[|->|\.)?([^.[\]-]+)\]?#i', $scope, $m);
-
-            $cur  = &$this->scope;
-            $last = array(
-                array_pop($m[1]),
-                array_pop($m[2])
-            );
-
-            while (list($k, $sep) = each($m[1])) {
-                if ($sep === '.' || $sep === '[' || $sep === '') {
-                    if (is_array($cur) === false) {
-                        $cur = array();
-                    }
-                    $cur = &$cur[$m[2][$k]];
-                } elseif ($sep === '->') {
-                    if (is_object($cur) === false) {
-                        $cur = new stdClass();
-                    }
-                    $cur = &$cur->{$m[2][$k]};
-                } else {
-                    return false;
-                }
-            }
-
-            if ($last[0] === '.' || $last[0] === '[' || $last[0] === '') {
-                if (is_array($cur) === false) {
-                    $cur = array();
-                }
-                $cur[$last[1]] = $value;
-            } elseif ($last[0] === '->') {
-                if (is_object($cur) === false) {
-                    $cur = new stdClass();
-                }
-                $cur->{$last[1]} = $value;
-            } else {
-                return false;
-            }
-        }
-    }
-
-    /**
-     * Sets the scope to the given scope string or array.
-     *
-     * @param mixed $scope    a string i.e. "level1.level2" or an array i.e. array("level1", "level2")
-     * @param bool  $absolute if true, the scope is set from the top level scope and not from the current scope
-     *
-     * @return array the current scope tree
-     */
-    public function setScope($scope, $absolute = false)
-    {
-        $old = $this->scopeTree;
-
-        if (is_string($scope) === true) {
-            $scope = explode('.', $scope);
-        }
-
-        if ($absolute === true) {
-            $this->scope     = &$this->data;
-            $this->scopeTree = array();
-        }
-
-        while (($bit = array_shift($scope)) !== null) {
-            if ($bit === '_' || $bit === '_parent') {
-                array_pop($this->scopeTree);
-                $this->scope = &$this->data;
-                $cnt         = count($this->scopeTree);
-                for ($i = 0; $i < $cnt; ++ $i) {
-                    $this->scope = &$this->scope[$this->scopeTree[$i]];
-                }
-            } elseif ($bit === '__' || $bit === '_root') {
-                $this->scope     = &$this->data;
-                $this->scopeTree = array();
-            } elseif (isset($this->scope[$bit])) {
-                if ($this->scope instanceof ArrayAccess) {
-                    $tmp         = $this->scope[$bit];
-                    $this->scope = &$tmp;
-                } else {
-                    $this->scope = &$this->scope[$bit];
-                }
-                $this->scopeTree[] = $bit;
-            } else {
-                unset($this->scope);
-                $this->scope = null;
-            }
-        }
-
-        return $old;
-    }
-
-    /**
-     * Returns the entire data array.
-     *
-     * @return array
-     */
-    public function getData()
-    {
-        return $this->data;
-    }
-
-    /**
-     * Sets a return value for the currently running template.
-     *
-     * @param string $name  var name
-     * @param mixed  $value var value
-     *
-     * @return void
-     */
-    public function setReturnValue($name, $value)
-    {
-        $this->returnData[$name] = $value;
-    }
-
-    /**
-     * Retrieves the return values set by the template.
-     *
-     * @return array
-     */
-    public function getReturnValues()
-    {
-        return $this->returnData;
-    }
-
-    /**
-     * Returns a reference to the current scope.
-     *
-     * @return mixed
-     */
-    public function &getScope()
-    {
-        return $this->scope;
-    }
-
-    /**
-     * Redirects all calls to unexisting to plugin proxy.
-     *
-     * @param string $method the method name
-     * @param array  $args   array of arguments
-     *
-     * @return mixed
-     * @throws Exception
-     */
-    public function __call($method, $args)
-    {
-        $proxy = $this->getPluginProxy();
-        if (!$proxy) {
-            throw new Exception('Call to undefined method ' . __CLASS__ . '::' . $method . '()');
-        }
-
-        return call_user_func_array($proxy->getCallback($method), $args);
-    }
-
-    /**
-     * Convert plugin name from `auto_escape` to `AutoEscape`.
-     * @param string $input
-     * @param string $separator
-     *
-     * @return mixed
-     */
-    public static function toCamelCase($input, $separator = '_')
-    {
-        return join(array_map('ucfirst', explode($separator, $input)));
-
-        // TODO >= PHP5.4.32
-        //return str_replace($separator, '', ucwords($input, $separator));
-    }
+				);
+			}
+
+			$this->filters[] = $callback;
+		} else {
+			$this->filters[] = $callback;
+		}
+	}
+
+	/**
+	 * Removes a filter.
+	 *
+	 * @param mixed $callback callback or filter name if it was autoloaded
+	 *
+	 * @return void
+	 */
+	public function removeFilter($callback)
+	{
+		if (($index = array_search(self::NAMESPACE_PLUGINS_FILTERS. 'Filter' . self::toCamelCase($callback), $this->filters,
+				true)) !==
+			false) {
+			unset($this->filters[$index]);
+		} elseif (($index = array_search($callback, $this->filters, true)) !== false) {
+			unset($this->filters[$index]);
+		} else {
+			$class = self::NAMESPACE_PLUGINS_FILTERS . 'Filter' . $callback;
+			foreach ($this->filters as $index => $filter) {
+				if (is_array($filter) && $filter[0] instanceof $class) {
+					unset($this->filters[$index]);
+					break;
+				}
+			}
+		}
+	}
+
+	/**
+	 * Adds a resource or overrides a default one.
+	 *
+	 * @param string   $name            the resource name
+	 * @param string   $class           the resource class (which must implement ITemplate)
+	 * @param callback $compilerFactory the compiler factory callback, a function that must return a compiler instance
+	 *                                  used to compile this resource, if none is provided. by default it will produce
+	 *                                  a Compiler object
+	 *
+	 * @return void
+	 * @throws Exception
+	 */
+	public function addResource($name, $class, $compilerFactory = null)
+	{
+		if (strlen($name) < 2) {
+			throw new Exception('Resource names must be at least two-character long to avoid conflicts with Windows paths');
+		}
+
+		if (!class_exists($class)) {
+			throw new Exception(sprintf('Resource class %s does not exist', $class));
+		}
+
+		$interfaces = class_implements($class);
+		if (in_array('Dwoo\ITemplate', $interfaces) === false) {
+			throw new Exception('Resource class must implement ITemplate');
+		}
+
+		$this->resources[$name] = array(
+			'class'    => $class,
+			'compiler' => $compilerFactory
+		);
+	}
+
+	/**
+	 * Removes a custom resource.
+	 *
+	 * @param string $name the resource name
+	 *
+	 * @return void
+	 */
+	public function removeResource($name)
+	{
+		unset($this->resources[$name]);
+		if ($name === 'file') {
+			$this->resources['file'] = array(
+				'class'    => 'Dwoo\Template\File',
+				'compiler' => null
+			);
+		}
+	}
+
+	/**
+	 * Sets the loader object to use to load plugins.
+	 *
+	 * @param ILoader $loader loader
+	 *
+	 * @return void
+	 */
+	public function setLoader(ILoader $loader)
+	{
+		$this->loader = $loader;
+	}
+
+	/**
+	 * Returns the current loader object or a default one if none is currently found.
+	 *
+	 * @return ILoader|Loader
+	 */
+	public function getLoader()
+	{
+		if ($this->loader === null) {
+			$this->loader = new Loader($this->getCompileDir());
+		}
+
+		return $this->loader;
+	}
+
+	/**
+	 * Returns the custom plugins loaded.
+	 * Used by the ITemplate classes to pass the custom plugins to their ICompiler instance.
+	 *
+	 * @return array
+	 */
+	public function getCustomPlugins()
+	{
+		return $this->plugins;
+	}
+
+	/**
+	 * Return a specified custom plugin loaded by his name.
+	 * Used by the compiler, for executing a Closure.
+	 *
+	 * @param string $name
+	 *
+	 * @return mixed|null
+	 */
+	public function getCustomPlugin($name)
+	{
+		if (isset($this->plugins[$name])) {
+			return $this->plugins[$name]['callback'];
+		}
+
+		return null;
+	}
+
+	/**
+	 * Returns the cache directory with a trailing DIRECTORY_SEPARATOR.
+	 *
+	 * @return string
+	 */
+	public function getCacheDir()
+	{
+		if ($this->cacheDir === null) {
+			$this->setCacheDir(dirname(__DIR__) . DIRECTORY_SEPARATOR . 'cache' . DIRECTORY_SEPARATOR);
+		}
+
+		return $this->cacheDir;
+	}
+
+	/**
+	 * Sets the cache directory and automatically appends a DIRECTORY_SEPARATOR.
+	 *
+	 * @param string $dir the cache directory
+	 *
+	 * @return void
+	 * @throws Exception
+	 */
+	public function setCacheDir($dir)
+	{
+		$this->cacheDir = rtrim($dir, '/\\') . DIRECTORY_SEPARATOR;
+		if (is_writable($this->cacheDir) === false) {
+			throw new Exception('The cache directory must be writable, chmod "' . $this->cacheDir . '" to make it writable');
+		}
+	}
+
+	/**
+	 * Returns the compile directory with a trailing DIRECTORY_SEPARATOR.
+	 *
+	 * @return string
+	 */
+	public function getCompileDir()
+	{
+		if ($this->compileDir === null) {
+			$this->setCompileDir(dirname(__DIR__) . DIRECTORY_SEPARATOR . 'compiled' . DIRECTORY_SEPARATOR);
+		}
+
+		return $this->compileDir;
+	}
+
+	/**
+	 * Sets the compile directory and automatically appends a DIRECTORY_SEPARATOR.
+	 *
+	 * @param string $dir the compile directory
+	 *
+	 * @return void
+	 * @throws Exception
+	 */
+	public function setCompileDir($dir)
+	{
+		$this->compileDir = rtrim($dir, '/\\') . DIRECTORY_SEPARATOR;
+		if (is_writable($this->compileDir) === false) {
+			throw new Exception('The compile directory must be writable, chmod "' . $this->compileDir . '" to make it writable');
+		}
+	}
+
+	/**
+	 * Returns the default cache time that is used with templates that do not have a cache time set.
+	 *
+	 * @return int the duration in seconds
+	 */
+	public function getCacheTime()
+	{
+		return $this->cacheTime;
+	}
+
+	/**
+	 * Sets the default cache time to use with templates that do not have a cache time set.
+	 *
+	 * @param int $seconds the duration in seconds
+	 *
+	 * @return void
+	 */
+	public function setCacheTime($seconds)
+	{
+		$this->cacheTime = (int)$seconds;
+	}
+
+	/**
+	 * Returns the character set used by the string manipulation plugins.
+	 * the charset is automatically lowercased
+	 *
+	 * @return string
+	 */
+	public function getCharset()
+	{
+		return $this->charset;
+	}
+
+	/**
+	 * Sets the character set used by the string manipulation plugins.
+	 * the charset will be automatically lowercased
+	 *
+	 * @param string $charset the character set
+	 *
+	 * @return void
+	 */
+	public function setCharset($charset)
+	{
+		$this->charset = strtolower((string)$charset);
+	}
+
+	/**
+	 * Returns the current template being rendered, when applicable, or null.
+	 *
+	 * @return ITemplate|null
+	 */
+	public function getTemplate()
+	{
+		return $this->template;
+	}
+
+	/**
+	 * Sets the current template being rendered.
+	 *
+	 * @param ITemplate $tpl template object
+	 *
+	 * @return void
+	 */
+	public function setTemplate(ITemplate $tpl)
+	{
+		$this->template = $tpl;
+	}
+
+	/**
+	 * Sets the default compiler factory function for the given resource name.
+	 * a compiler factory must return a ICompiler object pre-configured to fit your needs
+	 *
+	 * @param string   $resourceName    the resource name (i.e. file, string)
+	 * @param callback $compilerFactory the compiler factory callback
+	 *
+	 * @return void
+	 */
+	public function setDefaultCompilerFactory($resourceName, $compilerFactory)
+	{
+		$this->resources[$resourceName]['compiler'] = $compilerFactory;
+	}
+
+	/**
+	 * Returns the default compiler factory function for the given resource name.
+	 *
+	 * @param string $resourceName the resource name
+	 *
+	 * @return callback the compiler factory callback
+	 */
+	public function getDefaultCompilerFactory($resourceName)
+	{
+		return $this->resources[$resourceName]['compiler'];
+	}
+
+	/**
+	 * Sets the security policy object to enforce some php security settings.
+	 * use this if untrusted persons can modify templates
+	 *
+	 * @param SecurityPolicy $policy the security policy object
+	 *
+	 * @return void
+	 */
+	public function setSecurityPolicy(SecurityPolicy $policy = null)
+	{
+		$this->securityPolicy = $policy;
+	}
+
+	/**
+	 * Returns the current security policy object or null by default.
+	 *
+	 * @return SecurityPolicy|null the security policy object if any
+	 */
+	public function getSecurityPolicy()
+	{
+		return $this->securityPolicy;
+	}
+
+	/**
+	 * Sets the object that must be used as a plugin proxy when plugin can't be found
+	 * by dwoo's loader.
+	 *
+	 * @param IPluginProxy $pluginProxy the proxy object
+	 *
+	 * @return void
+	 */
+	public function setPluginProxy(IPluginProxy $pluginProxy)
+	{
+		$this->pluginProxy = $pluginProxy;
+	}
+
+	/**
+	 * Returns the current plugin proxy object or null by default.
+	 *
+	 * @return IPluginProxy
+	 */
+	public function getPluginProxy()
+	{
+		return $this->pluginProxy;
+	}
+
+	/**
+	 * Checks whether the given template is cached or not.
+	 *
+	 * @param ITemplate $tpl the template object
+	 *
+	 * @return bool
+	 */
+	public function isCached(ITemplate $tpl)
+	{
+		return is_string($tpl->getCachedTemplate($this));
+	}
+
+	/**
+	 * Clear templates inside the compiled directory.
+	 *
+	 * @return int
+	 */
+	public function clearCompiled()
+	{
+		$iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->getCompileDir()), \RecursiveIteratorIterator::SELF_FIRST);
+		$count    = 0;
+		foreach ($iterator as $file) {
+			if ($file->isFile()) {
+				$count += unlink($file->__toString()) ? 1 : 0;
+			}
+		}
+
+		return $count;
+	}
+
+	/**
+	 * Clears the cached templates if they are older than the given time.
+	 *
+	 * @param int $olderThan minimum time (in seconds) required for a cached template to be cleared
+	 *
+	 * @return int the amount of templates cleared
+	 */
+	public function clearCache($olderThan = - 1)
+	{
+		$iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->getCacheDir()), \RecursiveIteratorIterator::SELF_FIRST);
+		$expired  = time() - $olderThan;
+		$count    = 0;
+		foreach ($iterator as $file) {
+			if ($file->isFile() && $file->getCTime() < $expired) {
+				$count += unlink((string)$file) ? 1 : 0;
+			}
+		}
+
+		return $count;
+	}
+
+	/**
+	 * Fetches a template object of the given resource.
+	 *
+	 * @param string    $resourceName   the resource name (i.e. file, string)
+	 * @param string    $resourceId     the resource identifier (i.e. file path)
+	 * @param int       $cacheTime      the cache time setting for this resource
+	 * @param string    $cacheId        the unique cache identifier
+	 * @param string    $compileId      the unique compiler identifier
+	 * @param ITemplate $parentTemplate the parent template
+	 *
+	 * @return ITemplate
+	 * @throws Exception
+	 */
+	public function templateFactory($resourceName, $resourceId, $cacheTime = null, $cacheId = null, $compileId = null, ITemplate $parentTemplate = null)
+	{
+		if (isset($this->resources[$resourceName])) {
+			/**
+			 * Interface ITemplate
+			 *
+			 * @var ITemplate $class
+			 */
+			$class = $this->resources[$resourceName]['class'];
+
+			return $class::templateFactory($this, $resourceId, $cacheTime, $cacheId, $compileId, $parentTemplate);
+		}
+
+		throw new Exception('Unknown resource type : ' . $resourceName);
+	}
+
+	/**
+	 * Checks if the input is an array or arrayaccess object, optionally it can also check if it's
+	 * empty.
+	 *
+	 * @param mixed $value        the variable to check
+	 * @param bool  $checkIsEmpty if true, the function will also check if the array|arrayaccess is empty,
+	 *                            and return true only if it's not empty
+	 *
+	 * @return int|bool true if it's an array|arrayaccess (or the item count if $checkIsEmpty is true) or false if it's
+	 *                  not an array|arrayaccess (or 0 if $checkIsEmpty is true)
+	 */
+	public function isArray($value, $checkIsEmpty = false)
+	{
+		if (is_array($value) === true || $value instanceof ArrayAccess) {
+			if ($checkIsEmpty === false) {
+				return true;
+			}
+
+			return $this->count($value);
+		}
+
+		return false;
+	}
+
+	/**
+	 * Checks if the input is an array or a traversable object, optionally it can also check if it's
+	 * empty.
+	 *
+	 * @param mixed $value        the variable to check
+	 * @param bool  $checkIsEmpty if true, the function will also check if the array|traversable is empty,
+	 *                            and return true only if it's not empty
+	 *
+	 * @return int|bool true if it's an array|traversable (or the item count if $checkIsEmpty is true) or false if it's
+	 *                  not an array|traversable (or 0 if $checkIsEmpty is true)
+	 */
+	public function isTraversable($value, $checkIsEmpty = false)
+	{
+		if (is_array($value) === true) {
+			if ($checkIsEmpty === false) {
+				return true;
+			} else {
+				return count($value) > 0;
+			}
+		} elseif ($value instanceof Traversable) {
+			if ($checkIsEmpty === false) {
+				return true;
+			} else {
+				return $this->count($value);
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Counts an array or arrayaccess/traversable object.
+	 *
+	 * @param mixed $value the value to count
+	 *
+	 * @return int|bool the count for arrays and objects that implement countable, true for other objects that don't,
+	 *                  and 0 for empty elements
+	 */
+	public function count($value)
+	{
+		if (is_array($value) === true || $value instanceof Countable) {
+			return count($value);
+		} elseif ($value instanceof ArrayAccess) {
+			if ($value->offsetExists(0)) {
+				return true;
+			}
+		} elseif ($value instanceof Iterator) {
+			$value->rewind();
+			if ($value->valid()) {
+				return true;
+			}
+		} elseif ($value instanceof Traversable) {
+			foreach ($value as $dummy) {
+				return true;
+			}
+		}
+
+		return 0;
+	}
+
+	/**
+	 * Triggers a dwoo error.
+	 *
+	 * @param string $message the error message
+	 * @param int    $level   the error level, one of the PHP's E_* constants
+	 *
+	 * @return void
+	 */
+	public function triggerError($message, $level = E_USER_NOTICE)
+	{
+		if (!($tplIdentifier = $this->template->getResourceIdentifier())) {
+			$tplIdentifier = $this->template->getResourceName();
+		}
+		trigger_error('Dwoo error (in ' . $tplIdentifier . ') : ' . $message, $level);
+	}
+
+	/**
+	 * Adds a block to the block stack.
+	 *
+	 * @param string $blockName the block name (without Dwoo_Plugin_ prefix)
+	 * @param array  $args      the arguments to be passed to the block's init() function
+	 *
+	 * @return BlockPlugin the newly created block
+	 */
+	public function addStack($blockName, array $args = array())
+	{
+		if (isset($this->plugins[$blockName])) {
+			$class = $this->plugins[$blockName]['class'];
+		} else {
+			$class = self::NAMESPACE_PLUGINS_BLOCKS . 'Plugin' . self::toCamelCase($blockName);
+		}
+
+		if ($this->curBlock !== null) {
+			$this->curBlock->buffer(ob_get_contents());
+			ob_clean();
+		} else {
+			$this->buffer .= ob_get_contents();
+			ob_clean();
+		}
+
+		$block = new $class($this);
+
+		call_user_func_array(array($block, 'init'), $args);
+
+		$this->stack[] = $this->curBlock = $block;
+
+		return $block;
+	}
+
+	/**
+	 * Removes the plugin at the top of the block stack.
+	 * Calls the block buffer() function, followed by a call to end() and finally a call to process()
+	 *
+	 * @return void
+	 */
+	public function delStack()
+	{
+		$args = func_get_args();
+
+		$this->curBlock->buffer(ob_get_contents());
+		ob_clean();
+
+		call_user_func_array(array($this->curBlock, 'end'), $args);
+
+		$tmp = array_pop($this->stack);
+
+		if (count($this->stack) > 0) {
+			$this->curBlock = end($this->stack);
+			$this->curBlock->buffer($tmp->process());
+		} else {
+			if ($this->buffer !== '') {
+				echo $this->buffer;
+				$this->buffer = '';
+			}
+			$this->curBlock = null;
+			echo $tmp->process();
+		}
+
+		unset($tmp);
+	}
+
+	/**
+	 * Returns the parent block of the given block.
+	 *
+	 * @param BlockPlugin $block the block class plugin
+	 *
+	 * @return BlockPlugin|false if the given block isn't in the stack
+	 */
+	public function getParentBlock(BlockPlugin $block)
+	{
+		$index = array_search($block, $this->stack, true);
+		if ($index !== false && $index > 0) {
+			return $this->stack[$index - 1];
+		}
+
+		return false;
+	}
+
+	/**
+	 * Finds the closest block of the given type, starting at the top of the stack.
+	 *
+	 * @param string $type the type of plugin you want to find
+	 *
+	 * @return BlockPlugin|false if no plugin of such type is in the stack
+	 */
+	public function findBlock($type)
+	{
+		if (isset($this->plugins[$type])) {
+			$type = $this->plugins[$type]['class'];
+		} else {
+			$type = self::NAMESPACE_PLUGINS_BLOCKS . 'Plugin_' . str_replace(self::NAMESPACE_PLUGINS_BLOCKS.'Plugin',
+					'', $type);
+		}
+
+		$keys = array_keys($this->stack);
+		while (($key = array_pop($keys)) !== false) {
+			if ($this->stack[$key] instanceof $type) {
+				return $this->stack[$key];
+			}
+		}
+
+		return false;
+	}
+
+	/**
+	 * Returns a Plugin of the given class.
+	 * this is so a single instance of every class plugin is created at each template run,
+	 * allowing class plugins to have "per-template-run" static variables
+	 *
+	 * @param string $class the class name
+	 *
+	 * @return mixed an object of the given class
+	 */
+	public function getObjectPlugin($class)
+	{
+		if (isset($this->runtimePlugins[$class])) {
+			return $this->runtimePlugins[$class];
+		}
+
+		return $this->runtimePlugins[$class] = new $class($this);
+	}
+
+	/**
+	 * Calls the process() method of the given class-plugin name.
+	 *
+	 * @param string $plugName the class plugin name (without Dwoo_Plugin_ prefix)
+	 * @param array  $params   an array of parameters to send to the process() method
+	 *
+	 * @return string the process() return value
+	 */
+	public function classCall($plugName, array $params = array())
+	{
+		$class  = self::toCamelCase($plugName);
+		$plugin = $this->getObjectPlugin($class);
+
+		return call_user_func_array(array($plugin, 'process'), $params);
+	}
+
+	/**
+	 * Calls a php function.
+	 *
+	 * @param string $callback the function to call
+	 * @param array  $params   an array of parameters to send to the function
+	 *
+	 * @return mixed the return value of the called function
+	 */
+	public function arrayMap($callback, array $params)
+	{
+		if ($params[0] === $this) {
+			$addThis = true;
+			array_shift($params);
+		}
+		if ((is_array($params[0]) || ($params[0] instanceof Iterator && $params[0] instanceof ArrayAccess))) {
+			if (empty($params[0])) {
+				return $params[0];
+			}
+
+			// array map
+			$out = array();
+			$cnt = count($params);
+
+			if (isset($addThis)) {
+				array_unshift($params, $this);
+				$items = $params[1];
+				$keys  = array_keys($items);
+
+				if (is_string($callback) === false) {
+					while (($i = array_shift($keys)) !== null) {
+						$out[] = call_user_func_array($callback, array(1 => $items[$i]) + $params);
+					}
+				} elseif ($cnt === 1) {
+					while (($i = array_shift($keys)) !== null) {
+						$out[] = $callback($this, $items[$i]);
+					}
+				} elseif ($cnt === 2) {
+					while (($i = array_shift($keys)) !== null) {
+						$out[] = $callback($this, $items[$i], $params[2]);
+					}
+				} elseif ($cnt === 3) {
+					while (($i = array_shift($keys)) !== null) {
+						$out[] = $callback($this, $items[$i], $params[2], $params[3]);
+					}
+				} else {
+					while (($i = array_shift($keys)) !== null) {
+						$out[] = call_user_func_array($callback, array(1 => $items[$i]) + $params);
+					}
+				}
+			} else {
+				$items = $params[0];
+				$keys  = array_keys($items);
+
+				if (is_string($callback) === false) {
+					while (($i = array_shift($keys)) !== null) {
+						$out[] = call_user_func_array($callback, array($items[$i]) + $params);
+					}
+				} elseif ($cnt === 1) {
+					while (($i = array_shift($keys)) !== null) {
+						$out[] = $callback($items[$i]);
+					}
+				} elseif ($cnt === 2) {
+					while (($i = array_shift($keys)) !== null) {
+						$out[] = $callback($items[$i], $params[1]);
+					}
+				} elseif ($cnt === 3) {
+					while (($i = array_shift($keys)) !== null) {
+						$out[] = $callback($items[$i], $params[1], $params[2]);
+					}
+				} elseif ($cnt === 4) {
+					while (($i = array_shift($keys)) !== null) {
+						$out[] = $callback($items[$i], $params[1], $params[2], $params[3]);
+					}
+				} else {
+					while (($i = array_shift($keys)) !== null) {
+						$out[] = call_user_func_array($callback, array($items[$i]) + $params);
+					}
+				}
+			}
+
+			return $out;
+		} else {
+			return $params[0];
+		}
+	}
+
+	/**
+	 * Reads a variable into the given data array.
+	 *
+	 * @param string $varstr   the variable string, using dwoo variable syntax (i.e. "var.subvar[subsubvar]->property")
+	 * @param mixed  $data     the data array or object to read from
+	 * @param bool   $safeRead if true, the function will check whether the index exists to prevent any notices from
+	 *                         being output
+	 *
+	 * @return mixed
+	 */
+	public function readVarInto($varstr, $data, $safeRead = false)
+	{
+		if ($data === null) {
+			return null;
+		}
+
+		if (is_array($varstr) === false) {
+			preg_match_all('#(\[|->|\.)?((?:[^.[\]-]|-(?!>))+)\]?#i', $varstr, $m);
+		} else {
+			$m = $varstr;
+		}
+		unset($varstr);
+
+		while (list($k, $sep) = each($m[1])) {
+			if ($sep === '.' || $sep === '[' || $sep === '') {
+				// strip enclosing quotes if present
+				$m[2][$k] = preg_replace('#^(["\']?)(.*?)\1$#', '$2', $m[2][$k]);
+
+				if ((is_array($data) || $data instanceof ArrayAccess) && ($safeRead === false || isset($data[$m[2][$k]]))) {
+					$data = $data[$m[2][$k]];
+				} else {
+					return null;
+				}
+			} else {
+				if (is_object($data) && ($safeRead === false || isset($data->{$m[2][$k]}))) {
+					$data = $data->{$m[2][$k]};
+				} else {
+					return null;
+				}
+			}
+		}
+
+		return $data;
+	}
+
+	/**
+	 * Reads a variable into the parent scope.
+	 *
+	 * @param int    $parentLevels the amount of parent levels to go from the current scope
+	 * @param string $varstr       the variable string, using dwoo variable syntax (i.e.
+	 *                             "var.subvar[subsubvar]->property")
+	 *
+	 * @return mixed
+	 */
+	public function readParentVar($parentLevels, $varstr = null)
+	{
+		$tree = $this->scopeTree;
+		$cur  = $this->data;
+
+		while ($parentLevels -- !== 0) {
+			array_pop($tree);
+		}
+
+		while (($i = array_shift($tree)) !== null) {
+			if (is_object($cur)) {
+				$cur = $cur->{$i};
+			} else {
+				$cur = $cur[$i];
+			}
+		}
+
+		if ($varstr !== null) {
+			return $this->readVarInto($varstr, $cur);
+		} else {
+			return $cur;
+		}
+	}
+
+	/**
+	 * Reads a variable into the current scope.
+	 *
+	 * @param string $varstr the variable string, using dwoo variable syntax (i.e. "var.subvar[subsubvar]->property")
+	 *
+	 * @return mixed
+	 */
+	public function readVar($varstr)
+	{
+		if (is_array($varstr) === true) {
+			$m = $varstr;
+			unset($varstr);
+		} else {
+			if (strstr($varstr, '.') === false && strstr($varstr, '[') === false && strstr($varstr, '->') === false) {
+				if ($varstr === 'dwoo') {
+					return $this->globals;
+				} elseif ($varstr === '__' || $varstr === '_root') {
+					return $this->data;
+				} elseif ($varstr === '_' || $varstr === '_parent') {
+					$varstr = '.' . $varstr;
+					$tree   = $this->scopeTree;
+					$cur    = $this->data;
+					array_pop($tree);
+
+					while (($i = array_shift($tree)) !== null) {
+						if (is_object($cur)) {
+							$cur = $cur->{$i};
+						} else {
+							$cur = $cur[$i];
+						}
+					}
+
+					return $cur;
+				}
+
+				$cur = $this->scope;
+
+				if (isset($cur[$varstr])) {
+					return $cur[$varstr];
+				} else {
+					return null;
+				}
+			}
+
+			if (substr($varstr, 0, 1) === '.') {
+				$varstr = 'dwoo' . $varstr;
+			}
+
+			preg_match_all('#(\[|->|\.)?((?:[^.[\]-]|-(?!>))+)\]?#i', $varstr, $m);
+		}
+
+		$i = $m[2][0];
+		if ($i === 'dwoo') {
+			$cur = $this->globals;
+			array_shift($m[2]);
+			array_shift($m[1]);
+			switch ($m[2][0]) {
+			case 'get':
+				$cur = $_GET;
+				break;
+			case 'post':
+				$cur = $_POST;
+				break;
+			case 'session':
+				$cur = $_SESSION;
+				break;
+			case 'cookies':
+			case 'cookie':
+				$cur = $_COOKIE;
+				break;
+			case 'server':
+				$cur = $_SERVER;
+				break;
+			case 'env':
+				$cur = $_ENV;
+				break;
+			case 'request':
+				$cur = $_REQUEST;
+				break;
+			case 'const':
+				array_shift($m[2]);
+				if (defined($m[2][0])) {
+					return constant($m[2][0]);
+				} else {
+					return null;
+				}
+			}
+			if ($cur !== $this->globals) {
+				array_shift($m[2]);
+				array_shift($m[1]);
+			}
+		} elseif ($i === '__' || $i === '_root') {
+			$cur = $this->data;
+			array_shift($m[2]);
+			array_shift($m[1]);
+		} elseif ($i === '_' || $i === '_parent') {
+			$tree = $this->scopeTree;
+			$cur  = $this->data;
+
+			while (true) {
+				array_pop($tree);
+				array_shift($m[2]);
+				array_shift($m[1]);
+				if (current($m[2]) === '_' || current($m[2]) === '_parent') {
+					continue;
+				}
+
+				while (($i = array_shift($tree)) !== null) {
+					if (is_object($cur)) {
+						$cur = $cur->{$i};
+					} else {
+						$cur = $cur[$i];
+					}
+				}
+				break;
+			}
+		} else {
+			$cur = $this->scope;
+		}
+
+		while (list($k, $sep) = each($m[1])) {
+			if ($sep === '.' || $sep === '[' || $sep === '') {
+				if ((is_array($cur) || $cur instanceof ArrayAccess) && isset($cur[$m[2][$k]])) {
+					$cur = $cur[$m[2][$k]];
+				} else {
+					return null;
+				}
+			} elseif ($sep === '->') {
+				if (is_object($cur)) {
+					$cur = $cur->{$m[2][$k]};
+				} else {
+					return null;
+				}
+			} else {
+				return null;
+			}
+		}
+
+		return $cur;
+	}
+
+	/**
+	 * Assign the value to the given variable.
+	 *
+	 * @param mixed  $value the value to assign
+	 * @param string $scope the variable string, using dwoo variable syntax (i.e. "var.subvar[subsubvar]->property")
+	 *
+	 * @return bool true if assigned correctly or false if a problem occured while parsing the var string
+	 */
+	public function assignInScope($value, $scope)
+	{
+		if (!is_string($scope)) {
+			$this->triggerError('Assignments must be done into strings, (' . gettype($scope) . ') ' . var_export($scope, true) . ' given', E_USER_ERROR);
+		}
+		if (strstr($scope, '.') === false && strstr($scope, '->') === false) {
+			$this->scope[$scope] = $value;
+		} else {
+			// TODO handle _root/_parent scopes ?
+			preg_match_all('#(\[|->|\.)?([^.[\]-]+)\]?#i', $scope, $m);
+
+			$cur  = &$this->scope;
+			$last = array(
+				array_pop($m[1]),
+				array_pop($m[2])
+			);
+
+			while (list($k, $sep) = each($m[1])) {
+				if ($sep === '.' || $sep === '[' || $sep === '') {
+					if (is_array($cur) === false) {
+						$cur = array();
+					}
+					$cur = &$cur[$m[2][$k]];
+				} elseif ($sep === '->') {
+					if (is_object($cur) === false) {
+						$cur = new stdClass();
+					}
+					$cur = &$cur->{$m[2][$k]};
+				} else {
+					return false;
+				}
+			}
+
+			if ($last[0] === '.' || $last[0] === '[' || $last[0] === '') {
+				if (is_array($cur) === false) {
+					$cur = array();
+				}
+				$cur[$last[1]] = $value;
+			} elseif ($last[0] === '->') {
+				if (is_object($cur) === false) {
+					$cur = new stdClass();
+				}
+				$cur->{$last[1]} = $value;
+			} else {
+				return false;
+			}
+		}
+	}
+
+	/**
+	 * Sets the scope to the given scope string or array.
+	 *
+	 * @param mixed $scope    a string i.e. "level1.level2" or an array i.e. array("level1", "level2")
+	 * @param bool  $absolute if true, the scope is set from the top level scope and not from the current scope
+	 *
+	 * @return array the current scope tree
+	 */
+	public function setScope($scope, $absolute = false)
+	{
+		$old = $this->scopeTree;
+
+		if (is_string($scope) === true) {
+			$scope = explode('.', $scope);
+		}
+
+		if ($absolute === true) {
+			$this->scope     = &$this->data;
+			$this->scopeTree = array();
+		}
+
+		while (($bit = array_shift($scope)) !== null) {
+			if ($bit === '_' || $bit === '_parent') {
+				array_pop($this->scopeTree);
+				$this->scope = &$this->data;
+				$cnt         = count($this->scopeTree);
+				for ($i = 0; $i < $cnt; ++ $i) {
+					$this->scope = &$this->scope[$this->scopeTree[$i]];
+				}
+			} elseif ($bit === '__' || $bit === '_root') {
+				$this->scope     = &$this->data;
+				$this->scopeTree = array();
+			} elseif (isset($this->scope[$bit])) {
+				if ($this->scope instanceof ArrayAccess) {
+					$tmp         = $this->scope[$bit];
+					$this->scope = &$tmp;
+				} else {
+					$this->scope = &$this->scope[$bit];
+				}
+				$this->scopeTree[] = $bit;
+			} else {
+				unset($this->scope);
+				$this->scope = null;
+			}
+		}
+
+		return $old;
+	}
+
+	/**
+	 * Returns the entire data array.
+	 *
+	 * @return array
+	 */
+	public function getData()
+	{
+		return $this->data;
+	}
+
+	/**
+	 * Sets a return value for the currently running template.
+	 *
+	 * @param string $name  var name
+	 * @param mixed  $value var value
+	 *
+	 * @return void
+	 */
+	public function setReturnValue($name, $value)
+	{
+		$this->returnData[$name] = $value;
+	}
+
+	/**
+	 * Retrieves the return values set by the template.
+	 *
+	 * @return array
+	 */
+	public function getReturnValues()
+	{
+		return $this->returnData;
+	}
+
+	/**
+	 * Returns a reference to the current scope.
+	 *
+	 * @return mixed
+	 */
+	public function &getScope()
+	{
+		return $this->scope;
+	}
+
+	/**
+	 * Redirects all calls to unexisting to plugin proxy.
+	 *
+	 * @param string $method the method name
+	 * @param array  $args   array of arguments
+	 *
+	 * @return mixed
+	 * @throws Exception
+	 */
+	public function __call($method, $args)
+	{
+		$proxy = $this->getPluginProxy();
+		if (!$proxy) {
+			throw new Exception('Call to undefined method ' . __CLASS__ . '::' . $method . '()');
+		}
+
+		return call_user_func_array($proxy->getCallback($method), $args);
+	}
+
+	/**
+	 * Convert plugin name from `auto_escape` to `AutoEscape`.
+	 * @param string $input
+	 * @param string $separator
+	 *
+	 * @return mixed
+	 */
+	public static function toCamelCase($input, $separator = '_')
+	{
+		return join(array_map('ucfirst', explode($separator, $input)));
+
+		// TODO >= PHP5.4.32
+		//return str_replace($separator, '', ucwords($input, $separator));
+	}
 }