<?php
/**
 * Smarty Internal Plugin Compile Registered Function
 * 
 * Compiles code for the execution of a registered function
 * 
 * @package Smarty
 * @subpackage Compiler
 * @author Uwe Tews 
 */
 
/**
 * Smarty Internal Plugin Compile Registered Function Class
 */
class Smarty_Internal_Compile_Private_Registered_Function extends Smarty_Internal_CompileBase {
	// attribute definitions
    public $optional_attributes = array('_any'); 

    /**
     * Compiles code for the execution of a registered function
     * 
     * @param array $args array with attributes from parser
     * @param object $compiler compiler object
     * @param array $parameter array with compilation parameter
     * @param string $tag name of function
     * @return string compiled code
     */
    public function compile($args, $compiler, $parameter, $tag)
    {
        $this->compiler = $compiler; 
        // This tag does create output
        $this->compiler->has_output = true;
        // check and get attributes
        $_attr = $this->_get_attributes($args); 
        if ($_attr['nocache']) {
            $this->compiler->tag_nocache = true;
        }
        unset($_attr['nocache']);
        // not cachable?
        $this->compiler->tag_nocache =  $this->compiler->tag_nocache || !$compiler->smarty->registered_plugins[Smarty::PLUGIN_FUNCTION][$tag][1]; 
        // convert attributes into parameter array string
        $_paramsArray = array();
        foreach ($_attr as $_key => $_value) {
            if (is_int($_key)) {
                $_paramsArray[] = "$_key=>$_value";
            } else {
                $_paramsArray[] = "'$_key'=>$_value";
            } 
        } 
        $_params = 'array(' . implode(",", $_paramsArray) . ')'; 
        $function = $compiler->smarty->registered_plugins[Smarty::PLUGIN_FUNCTION][$tag][0]; 
        // compile code
        if (!is_array($function)) {
            $output = "<?php echo {$function}({$_params},\$_smarty_tpl);?>\n";
        } else if (is_object($function[0])) {
            $output = "<?php echo \$_smarty_tpl->smarty->registered_plugins[Smarty::PLUGIN_FUNCTION]['{$tag}'][0][0]->{$function[1]}({$_params},\$_smarty_tpl);?>\n";
        } else {
            $output = "<?php echo {$function[0]}::{$function[1]}({$_params},\$_smarty_tpl);?>\n";
        } 
        return $output;
    } 
} 

?>