diff options
Diffstat (limited to 'lib/smarty/sysplugins/smarty_internal_method_registerfilter.php')
-rw-r--r-- | lib/smarty/sysplugins/smarty_internal_method_registerfilter.php | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/lib/smarty/sysplugins/smarty_internal_method_registerfilter.php b/lib/smarty/sysplugins/smarty_internal_method_registerfilter.php new file mode 100644 index 0000000..c0f9fff --- /dev/null +++ b/lib/smarty/sysplugins/smarty_internal_method_registerfilter.php @@ -0,0 +1,87 @@ +<?php + +/** + * Smarty Method RegisterFilter + * + * Smarty::registerFilter() method + * + * @package Smarty + * @subpackage PluginsInternal + * @author Uwe Tews + */ +class Smarty_Internal_Method_RegisterFilter +{ + /** + * Valid for Smarty and template object + * + * @var int + */ + public $objMap = 3; + + /** + * Valid filter types + * + * @var array + */ + private $filterTypes = array('pre' => true, 'post' => true, 'output' => true, 'variable' => true); + + /** + * Registers a filter function + * + * @api Smarty::registerFilter() + * + * @link http://www.smarty.net/docs/en/api.register.filter.tpl + * + * @param \Smarty_Internal_TemplateBase|\Smarty_Internal_Template|\Smarty $obj + * @param string $type filter type + * @param callback $callback + * @param string|null $name optional filter name + * + * @return \Smarty|\Smarty_Internal_Template + * @throws \SmartyException + */ + public function registerFilter(Smarty_Internal_TemplateBase $obj, $type, $callback, $name = null) + { + $smarty = $obj->_getSmartyObj(); + $this->_checkFilterType($type); + $name = isset($name) ? $name : $this->_getFilterName($callback); + if (!is_callable($callback)) { + throw new SmartyException("{$type}filter '{$name}' not callable"); + } + $smarty->registered_filters[ $type ][ $name ] = $callback; + return $obj; + } + + /** + * Return internal filter name + * + * @param callback $function_name + * + * @return string internal filter name + */ + public function _getFilterName($function_name) + { + if (is_array($function_name)) { + $_class_name = (is_object($function_name[ 0 ]) ? get_class($function_name[ 0 ]) : $function_name[ 0 ]); + return $_class_name . '_' . $function_name[ 1 ]; + } elseif (is_string($function_name)) { + return $function_name; + } else { + return 'closure'; + } + } + + /** + * Check if filter type is valid + * + * @param string $type + * + * @throws \SmartyException + */ + public function _checkFilterType($type) + { + if (!isset($this->filterTypes[ $type ])) { + throw new SmartyException("Illegal filter type '{$type}'"); + } + } +} |