/**
* Initialize compiler
*/
public function __construct($smarty)
{
$this->smarty = $smarty;
// get required plugins
Smarty_Internal_Plugin_Loader::loadPlugin('Smarty_Internal_Configfilelexer', $this->smarty->plugins_dir);
Smarty_Internal_Plugin_Loader::loadPlugin('Smarty_Internal_Configfileparser', $this->smarty->plugins_dir);
$this->config_data['sections'] = array();
$this->config_data['vars'] = array();
}
/**
* load a filter of specified type and name
*
* @param string $type filter type
* @param string $name filter name
* @return bool
*/
function loadFilter($type, $name)
{
$_plugin = "smarty_{$type}filter_{$name}";
$_filter_name = $_plugin;
if (Smarty_Internal_Plugin_Loader::loadPlugin($_plugin, $this->smarty->plugins_dir)) {
if (class_exists($_plugin, false)) {
$_plugin = array($_plugin, 'execute');
}
if (is_callable($_plugin)) {
return $this->smarty->registered_filters[$type][$_filter_name] = $_plugin;
}
}
throw new SmartyException("{$type}filter \"{$name}\" not callable");
return false;
}
/**
* Compiles code for modifier execution
*
* @param array $args array with attributes from parser
* @param object $compiler compiler object
* @param array $parameter array with compilation parameter
* @return string compiled code
*/
public function compile($args, $compiler, $parameter)
{
$this->compiler = $compiler;
$this->smarty = $this->compiler->smarty;
// check and get attributes
$_attr = $this->_get_attributes($args);
$output = $parameter['value'];
// loop over list of modifiers
foreach ($parameter['modifierlist'] as $single_modifier) {
$modifier = $single_modifier[0];
$single_modifier[0] = $output;
$params = implode(',', $single_modifier);
// check for registered modifier
if (isset($compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][$modifier])) {
$function = $compiler->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][$modifier][0];
if (!is_array($function)) {
$output = "{$function}({$params})";
} else {
if (is_object($function[0])) {
$output = '$_smarty_tpl->smarty->registered_plugins[Smarty::PLUGIN_MODIFIER][\'' . $modifier . '\'][0][0]->' . $function[1] . '(' . $params . ')';
} else {
$output = $function[0] . '::' . $function[1] . '(' . $params . ')';
}
}
// check for plugin modifiercompiler
} else if (Smarty_Internal_Plugin_Loader::loadPlugin('smarty_modifiercompiler_' . $modifier, $compiler->smarty->plugins_dir)) {
$plugin = 'smarty_modifiercompiler_' . $modifier;
$output = $plugin($single_modifier, $compiler);
// check for plugin modifier
} else if ($function = $this->compiler->getPlugin($modifier, Smarty::PLUGIN_MODIFIER)) {
$output = "{$function}({$params})";
// check if trusted PHP function
} else if (is_callable($modifier)) {
// check if modifier allowed
if (!is_object($this->smarty->security_policy) || $this->smarty->security_policy->isTrustedModifier($modifier, $this->compiler)) {
$output = "{$modifier}({$params})";
}
} else {
$this->compiler->trigger_template_error ("unknown modifier \"" . $modifier . "\"", $this->compiler->lex->taglineno);
}
}
return $output;
}
/**
* Run filters over content
*
* The filters will be lazy loaded if required
* class name format: Smarty_FilterType_FilterName
* plugin filename format: filtertype.filtername.php
* Smarty2 filter plugins could be used
*
* @param string $type the type of filter ('pre','post','output' or 'variable') which shall run
* @param string $content the content which shall be processed by the filters
* @return string the filtered content
*/
static function runFilter($type, $content, $smarty, $template, $flag = null)
{
$output = $content;
if ($type != 'variable' || ($smarty->variable_filter && $flag !== false) || $flag === true) {
// loop over autoload filters of specified type
if (!empty($smarty->autoload_filters[$type])) {
foreach ((array)$smarty->autoload_filters[$type] as $name) {
$plugin_name = "Smarty_{$type}filter_{$name}";
if (Smarty_Internal_Plugin_Loader::loadPlugin($plugin_name, $smarty->plugins_dir)) {
if (function_exists($plugin_name)) {
// use loaded Smarty2 style plugin
$output = $plugin_name($output, $smarty);
} elseif (class_exists($plugin_name, false)) {
// loaded class of filter plugin
$output = call_user_func(array($plugin_name, 'execute'), $output, $smarty, $template);
}
} else {
// nothing found, throw exception
throw new SmartyException("Unable to load filter {$plugin_name}");
}
}
}
// loop over registerd filters of specified type
if (!empty($smarty->registered_filters[$type])) {
foreach ($smarty->registered_filters[$type] as $key => $name) {
if (is_array($smarty->registered_filters[$type][$key])) {
$output = call_user_func($smarty->registered_filters[$type][$key], $output, $smarty, $template);
} else {
$output = $smarty->registered_filters[$type][$key]($output, $smarty, $template);
}
}
}
}
// return filtered output
return $output;
}
/**
* lazy loads internal compile plugin for tag and calls the compile methode
*
* compile objects cached for reuse.
* class name format: Smarty_Internal_Compile_TagName
* plugin filename format: Smarty_Internal_Tagname.php
*
* @param $tag string tag name
* @param $args array with tag attributes
* @param $param1 optional parameter
* @param $param2 optional parameter
* @param $param3 optional parameter
* @return string compiled code
*/
public function callTagCompiler($tag, $args, $param1 = null, $param2 = null, $param3 = null)
{
// re-use object if already exists
if (isset(self::$_tag_objects[$tag])) {
// compile this tag
return self::$_tag_objects[$tag]->compile($args, $this, $param1, $param2, $param3);
}
// lazy load internal compiler plugin
$class_name = 'Smarty_Internal_Compile_' . $tag;
if (Smarty_Internal_Plugin_Loader::loadPlugin($class_name, $this->smarty->plugins_dir)) {
// use plugin if found
self::$_tag_objects[$tag] = new $class_name;
// compile this tag
return self::$_tag_objects[$tag]->compile($args, $this, $param1, $param2, $param3);
}
// no internal compile plugin for this tag
return false;
}
/**
* Load template resource handler by type
*
* @param string $resource_type template resource type
* @return object resource handler object
*/
protected function loadTemplateResourceHandler ($resource_type)
{
// try registered resource
if (isset($this->smarty->registered_resources[$resource_type])) {
return new Smarty_Internal_Resource_Registered($this);
} else {
// try sysplugins dir
if (in_array($resource_type, array('file', 'string', 'extends', 'php', 'stream', 'eval'))) {
$_resource_class = 'Smarty_Internal_Resource_' . ucfirst($resource_type);
return new $_resource_class($this->smarty);
} else {
// try plugins dir
$_resource_class = 'Smarty_Resource_' . ucfirst($resource_type);
if (Smarty_Internal_Plugin_Loader::loadPlugin($_resource_class,$this->smarty->plugins_dir)) {
if (class_exists($_resource_class, false)) {
return new $_resource_class($this->smarty);
} else {
return new Smarty_Internal_Resource_Registered($this, $resource_type);
}
} else {
// try streams
$_known_stream = stream_get_wrappers();
if (in_array($resource_type, $_known_stream)) {
// is known stream
if (is_object($this->smarty->security_policy)) {
$this->smarty->security_policy->isTrustedStream($resource_type);
}
return new Smarty_Internal_Resource_Stream($this->smarty);
} else {
throw new SmartyException('Unkown resource type \'' . $resource_type . '\'');
}
}
}
}
}
/**
* Loads cache resource.
*
* @param string $type cache resource type
* @return object of cache resource
*/
public function loadCacheResource($type = null) {
if (!isset($type)) {
$type = $this->caching_type;
}
// already loaded?
if (isset($this->cache_resource_objects[$type])) {
return $this->cache_resource_objects[$type];
}
if (in_array($type, $this->cache_resource_types)) {
$cache_resource_class = 'Smarty_Internal_CacheResource_' . ucfirst($type);
return $this->cache_resource_objects[$type] = new $cache_resource_class($this);
}
else {
// try plugins dir
$cache_resource_class = 'Smarty_CacheResource_' . ucfirst($type);
if (Smarty_Internal_Plugin_Loader::loadPlugin($cache_resource_class, $this->plugins_dir)) {
return $this->cache_resource_objects[$type] = new $cache_resource_class($this);
}
else {
throw new SmartyException("Unable to load cache resource '{$type}'");
}
}
}
