<?php

/**

 * Smarty Internal Plugin Compile Append

 * Compiles the {append} tag

 *

 * @package    Smarty

 * @subpackage Compiler

 * @author     Uwe Tews

 */

/**

 * Smarty Internal Plugin Compile Append Class

 *

 * @package    Smarty

 * @subpackage Compiler

 */

class Smarty_Internal_Compile_Append extends Smarty_Internal_Compile_Assign {

    /**

     * Compiles code for the {append} tag

     *

     * @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) {

        // the following must be assigned at runtime because it will be overwritten in parent class

        $this->required_attributes = array('var', 'value');

        $this->shorttag_order = array('var', 'value');

        $this->optional_attributes = array('scope', 'index');

        // check and get attributes

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

        // map to compile assign attributes

        if (isset($_attr['index'])) {

            $_params['smarty_internal_index'] = '[' . $_attr['index'] . ']';

            unset($_attr['index']);

        } else {

            $_params['smarty_internal_index'] = '[]';

        }

        $_new_attr = array();

        foreach ($_attr as $key => $value) {

            $_new_attr[] = array($key => $value);

        }

        // call compile assign

        return parent::compile($_new_attr, $compiler, $_params);

    }

}