<?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

 *

 * @package    Smarty

 * @subpackage Compiler

 */

class Smarty_Internal_Compile_Private_Registered_Function extends Smarty_Internal_CompileBase {

    /**

     * Attribute definition: Overwrites base class.

     *

     * @var array

     * @see Smarty_Internal_CompileBase

     */

    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 tag does create output

        $compiler->has_output = true;

        // check and get attributes

        $_attr = $this->getAttributes($compiler, $args);

        if ($_attr['nocache']) {

            $compiler->tag_nocache = true;

        }

        unset($_attr['nocache']);

        if (isset($compiler->smarty->registered_plugins[Smarty::PLUGIN_FUNCTION][$tag])) {

            $tag_info = $compiler->smarty->registered_plugins[Smarty::PLUGIN_FUNCTION][$tag];

        } else {

            $tag_info = $compiler->default_handler_plugins[Smarty::PLUGIN_FUNCTION][$tag];

        }

        // not cachable?

        $compiler->tag_nocache = $compiler->tag_nocache || !$tag_info[1];

        // convert attributes into parameter array string

        $_paramsArray = array();

        foreach ($_attr as $_key => $_value) {

            if (is_int($_key)) {

                $_paramsArray[] = "$_key=>$_value";

            } elseif ($compiler->template->caching && in_array($_key, $tag_info[2])) {

                $_value = str_replace("'", "^#^", $_value);

                $_paramsArray[] = "'$_key'=>^#^.var_export($_value,true).^#^";

            } else {

                $_paramsArray[] = "'$_key'=>$_value";

            }

        }

        $_params = 'array(' . implode(",", $_paramsArray) . ')';

        $function = $tag_info[0];

        // compile code

        if (!is_array($function)) {

            $output = "<?php echo {$function}({$_params},\$_smarty_tpl);?>\n";

        } elseif (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;

    }

}