template.compiler.php

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						}
						if(!preg_match_all('/(?:(' . $this->_var_regexp . '|' . $this->_svar_regexp . ')(' . $this->_mod_regexp . '*))(?:\s+(.*))?/xs', $value, $_variables)){
							$_result[$a_name] = $value;
						}else{
							$_result[$a_name] = $this->_parse_variables($_variables[1], $_variables[2]);
						}
						$state = 0;
					}else{
						$this->trigger_error("'=' cannot be an attribute value", E_USER_ERROR, __FILE__, __LINE__);
					}
					break;
			}
			$last_value = $value;
		}
		if($state != 0){
			if($state == 1){
				$this->trigger_error("expecting '=' after attribute name '$last_value'", E_USER_ERROR, __FILE__, __LINE__);
			}else{
				$this->trigger_error("missing attribute value", E_USER_ERROR, __FILE__, __LINE__);
			}
		}
		return $_result;
	}

	function _parse_variables($variables, $modifiers){
		$_result = "";
		foreach($variables as $key => $value){
			$tag_variable = trim($variables[$key]);
			if(!empty($this->default_modifiers) && !preg_match('!(^|\|)templatelite:nodefaults($|\|)!',$modifiers[$key])){
				$_default_mod_string = implode('|',(array)$this->default_modifiers);
				$modifiers[$key] = empty($modifiers[$key]) ? $_default_mod_string : $_default_mod_string . '|' . $modifiers[$key];
			}
			if (empty($modifiers[$key])){
				$_result .= $this->_parse_variable($tag_variable).'.';
			}else{
				$_result .= $this->_parse_modifier($this->_parse_variable($tag_variable), $modifiers[$key]).'.';
			}
		}
		return substr($_result, 0, -1);
	}

	function _parse_variable($variable){
		// replace variable with value
		if ($variable{0} == "\$"){
			// replace the variable
			return $this->_compile_variable($variable);
		}
		elseif ($variable{0} == '#'){
			// replace the config variable
			return $this->_compile_config($variable);
		}
		elseif ($variable{0} == '"'){
			// expand the quotes to pull any variables out of it
			// fortunately variables inside of a quote aren't fancy, no modifiers, no quotes
			//   just get everything from the $ to the ending space and parse it
			// if the $ is escaped, then we won't expand it
			$_result = "";
//			preg_match_all('/(?:[^\\\]' . $this->_dvar_regexp . ')/', substr($variable, 1, -1), $_expand);  // old match
// 21:57 2008-4-27 math
			preg_match_all('/(?:[^\\\]' . $this->_dvar_regexp . ')/', $variable, $_expand);  // old match
//			preg_match_all('/(?:[^\\\]' . $this->_dvar_regexp . '[^\\\])/', $variable, $_expand);
			$_expand = array_unique($_expand[0]);
			foreach($_expand as $key => $value){
				$_expand[$key] = trim($value);
				if (strpos($_expand[$key], '$') > 0){
					$_expand[$key] = substr($_expand[$key], strpos($_expand[$key], '$'));
				}
			}
			$_result = $variable;
			foreach($_expand as $value){
				$value = trim($value);
//				$_result = str_replace($value, '" . ' . $this->_parse_variable($value) . ' . "', $_result);
//mod 21:56 2008-4-27 math
				$_result = str_replace($value,$this->_parse_variable($value), $this->_dequote($_result));
//				echo $_result;
			}
			$_result = str_replace("`", "", $_result);
			return $_result;
		}
		elseif ($variable{0} == "'"){
			// return the value just as it is
			return $variable;
		}
		elseif ($variable{0} == "%"){
			return $this->_parse_section_prop($variable);
		}else{
			// return it as is; i believe that there was a reason before that i did not just return it as is,
			// but i forgot what that reason is ...
			// the reason i return the variable 'as is' right now is so that unquoted literals are allowed
			return $variable;
		}
	}

	function _parse_section_prop($section_prop_expr){
		$parts = explode('|', $section_prop_expr, 2);
		$var_ref = $parts[0];
		$modifiers = isset($parts[1]) ? $parts[1] : '';

		preg_match('!%(\w+)\.(\w+)%!', $var_ref, $match);
		$section_name = $match[1];
		$prop_name = $match[2];

		$output = "\$this->_sections['$section_name']['$prop_name']";

		$this->_parse_modifier($output, $modifiers);

		return $output;
	}

	function _compile_variable($variable){
		$_result	= "";

		// remove the $
		$variable = substr($variable, 1);

		// get [foo] and .foo and (...) pieces
		preg_match_all('!(?:^\w+)|(?:' . $this->_var_bracket_regexp . ')|\.\$?\w+|\S+!', $variable, $_match);
		$variable = $_match[0];
		$var_name = array_shift($variable);

		if ($var_name == $this->reserved_template_varname){
			if ($variable[0]{0} == '[' || $variable[0]{0} == '.'){
				$find = array("[", "]", ".");
				switch(strtoupper(str_replace($find, "", $variable[0]))){
					case 'SELF':		$_result = "\$_SERVER['PHP_SELF']";break;
					case 'REQUEST_URI':	$_result = "\$_SERVER['REQUEST_URI']";break;
					case 'SERVER_NAME':	$_result = "\$_SERVER['SERVER_NAME']";break;
					case 'SERVER_PORT':	$_result = "\$_SERVER['SERVER_PORT']";break;
					case 'NOW':			$_result = "time()";break;
					case 'SECTION':		$_result = "\$this->_sections";break;
					case 'LDELIM':		$_result = "\$this->left_delimiter";break;
					case 'RDELIM':		$_result = "\$this->right_delimiter";break;
					case 'TPLVERSION':	$_result = "\$this->_version";break;
					case 'VERSION':		$_result = "'DreamArticle Version '.Version";break;
					case 'CONFIG':		$_result = "\$this->_confs";break;
					case 'TEMPLATE':	$_result = "\$this->_file";break;
					case 'CONST':
						$constant = str_replace($find, "", $_match[0][2]);
						$_result = "constant('$constant')";
						$variable = array();
						break;
					default:
						$_var_name = str_replace($find, "", $variable[0]);
						$_result = "\$this->_templatelite_vars['$_var_name']";
						break;
				}
				array_shift($variable);
			}else{
				$this->trigger_error('$' . $var_name.implode('', $variable) . ' is an invalid $templatelite reference', E_USER_ERROR, __FILE__, __LINE__);
			}
		}else{
			$_result = "\$this->_vars['$var_name']";
		}

		foreach ($variable as $var){
			if ($var{0} == '['){
				$var = substr($var, 1, -1);
				if (is_numeric($var)){
					$_result .= "[$var]";
				}
				elseif ($var{0} == '$'){
					$_result .= "[" . $this->_compile_variable($var) . "]";
				}
				elseif ($var{0} == '#'){
					$_result .= "[" . $this->_compile_config($var) . "]";
				}else{
//					$_result .= "['$var']";
					$parts = explode('.', $var);
					$section = $parts[0];
					$section_prop = isset($parts[1]) ? $parts[1] : 'index';
					$_result .= "[\$this->_sections['$section']['$section_prop']]";
				}
			}
			else if ($var{0} == '.'){
   				if ($var{1} == '$'){
	   				$_result .= "[\$this->_TPL['" . substr($var, 2) . "']]";
				}else{
			   		$_result .= "['" . substr($var, 1) . "']";
				}
			}
			else if (substr($var,0,2) == '->'){
				if(substr($var,2,2) == '__'){
					$this->trigger_error('call to internal object members is not allowed', E_USER_ERROR, __FILE__, __LINE__);
				}
				else if (substr($var, 2, 1) == '$'){
					$_output .= '->{(($var=$this->_TPL[\''.substr($var,3).'\']) && substr($var,0,2)!=\'__\') ? $_var : $this->trigger_error("cannot access property \\"$var\\"")}';
				}
			}else{
				$this->trigger_error('$' . $var_name.implode('', $variable) . ' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__);
			}
		}
		return $_result;
	}

	function _parse_modifier($variable, $modifiers){
		$_match		= array();
		$_mods		= array();		// stores all modifiers
		$_args		= array();		// modifier arguments

		preg_match_all('!\|(@?\w+)((?>:(?:'. $this->_qstr_regexp . '|[^|]+))*)!', '|' . $modifiers, $_match);
		list(, $_mods, $_args) = $_match;

		$count_mods = count($_mods);
		for ($i = 0, $for_max = $count_mods; $i < $for_max; $i++){
			preg_match_all('!:(' . $this->_qstr_regexp . '|[^:]+)!', $_args[$i], $_match);
			$_arg = $_match[1];

			if ($_mods[$i]{0} == '@'){
				$_mods[$i] = substr($_mods[$i], 1);
				$_map_array = 0;
			} else {
				$_map_array = 1;
			}

			foreach($_arg as $key => $value){
				$_arg[$key] = $this->_parse_variable($value);
			}

			if ($this->_plugin_exists($_mods[$i], "modifier") || function_exists($_mods[$i])){
				if (count($_arg) > 0){
					$_arg = ', '.implode(', ', $_arg);
				}else{
					$_arg = '';
				}

				$php_function = "PHP";
				if ($this->_plugin_exists($_mods[$i], "modifier")){
					$php_function = "plugin";
				}
				$variable = "\$this->_run_modifier($variable, '$_mods[$i]', '$php_function', $_map_array$_arg)";
			}else{
				$variable = "\$this->trigger_error(\"'" . $_mods[$i] . "' modifier does not exist\", E_USER_NOTICE, __FILE__, __LINE__);";
			}
		}
		return $variable;
	}

	function _plugin_exists($function, $type){
		// check for object functions
		if (isset($this->_plugins[$type][$function]) && is_array($this->_plugins[$type][$function]) && is_object($this->_plugins[$type][$function][0]) && method_exists($this->_plugins[$type][$function][0], $this->_plugins[$type][$function][1])){
			return '$this->_plugins[\'' . $type . '\'][\'' . $function . '\'][0]->' . $this->_plugins[$type][$function][1];
		}
		// check for standard functions
		if (isset($this->_plugins[$type][$function]) && function_exists($this->_plugins[$type][$function])){
			return $this->_plugins[$type][$function];
		}
		// check for a plugin in the plugin directory
		if (file_exists($this->_get_plugin_dir($type . '.' . $function . '.php') . $type . '.' . $function . '.php')){
			require_once($this->_get_plugin_dir($type . '.' . $function . '.php') . $type . '.' . $function . '.php');
			if (function_exists('tpl_' . $type . '_' . $function)){
				$this->_require_stack[$type . '.' . $function . '.php'] = array($type, $function, 'tpl_' . $type . '_' . $function);
				return ('tpl_' . $type . '_' . $function);
			}
		}
		return false;
	}

	function _load_filters(){
		if (count($this->_plugins['prefilter']) > 0){
			foreach ($this->_plugins['prefilter'] as $filter_name => $prefilter){
				if (!function_exists($prefilter)){
					@include_once( $this->_get_plugin_dir("prefilter." . $filter_name . ".php") . "prefilter." . $filter_name . ".php");
				}
			}
		}
		if (count($this->_plugins['postfilter']) > 0){
			foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter){
				if (!function_exists($postfilter)){
					@include_once( $this->_get_plugin_dir("postfilter." . $filter_name . ".php") . "postfilter." . $filter_name . ".php");
				}
			}
		}
	}
}

?>