<?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 {
    /**
     * Compiles code for the execution of a registered function
     * 
     * @param array $args array with attributes from parser
     * @param string $tag name of function
     * @param object $compiler compiler object
     * @return string compiled code
     */
    public function compile($args, $compiler, $tag)
    {
        $this->compiler = $compiler; 
        // This tag does create output
        $this->compiler->has_output = true;

        $this->required_attributes = array();
        $this->optional_attributes = array('_any'); 
        // check and get attributes
        $_attr = $this->_get_attributes($args); 
        // not cachable?
        $this->compiler->tag_nocache = !$compiler->smarty->registered_plugins['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) . ')'; 
        // compile code
        $function = $compiler->smarty->registered_plugins['function'][$tag][0]; 
        // compile code
        if (!is_array($function)) {
            $output = "<?php echo {$function}({$_params},\$_smarty_tpl->smarty,\$_smarty_tpl);?>\n";
        } else if (is_object($function[0])) {
            $output = "<?php echo call_user_func(\$_smarty_tpl->smarty->registered_plugins['function']['{$tag}'][0],{$_params},\$_smarty_tpl->smarty,\$_smarty_tpl);?>\n";
        } else {
            $output = "<?php echo call_user_func(array('{$function[0]}','{$function[1]}'),{$_params},\$_smarty_tpl->smarty,\$_smarty_tpl);?>\n";
        } 
        return $output;
    } 
} 

?>