<?php

/**

 * Smarty Internal Plugin Compile Config Load

 * Compiles the {config load} tag

 *

 * @package    Smarty

 * @subpackage Compiler

 * @author     Uwe Tews

 */

/**

 * Smarty Internal Plugin Compile Config Load Class

 *

 * @package    Smarty

 * @subpackage Compiler

 */

class Smarty_Internal_Compile_Config_Load extends Smarty_Internal_CompileBase {

    /**

     * Attribute definition: Overwrites base class.

     *

     * @var array

     * @see Smarty_Internal_CompileBase

     */

    public $required_attributes = array('file');

    /**

     * Attribute definition: Overwrites base class.

     *

     * @var array

     * @see Smarty_Internal_CompileBase

     */

    public $shorttag_order = array('file', 'section');

    /**

     * Attribute definition: Overwrites base class.

     *

     * @var array

     * @see Smarty_Internal_CompileBase

     */

    public $optional_attributes = array('section', 'scope');

    /**

     * Compiles code for the {config_load} tag

     *

     * @param  array $args array with attributes from parser

     * @param  object $compiler compiler object

     *

     * @return string compiled code

     */

    public function compile($args, $compiler) {

        static $_is_legal_scope = array('local' => true, 'parent' => true, 'root' => true, 'global' => true);

        // check and get attributes

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

        if ($_attr['nocache'] === true) {

            $compiler->trigger_template_error('nocache option not allowed', $compiler->lex->taglineno);

        }

        // save possible attributes

        $conf_file = $_attr['file'];

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

            $section = $_attr['section'];

        } else {

            $section = 'null';

        }

        $scope = 'local';

        // scope setup

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

            $_attr['scope'] = trim($_attr['scope'], "'\"");

            if (isset($_is_legal_scope[$_attr['scope']])) {

                $scope = $_attr['scope'];

            } else {

                $compiler->trigger_template_error('illegal value for "scope" attribute', $compiler->lex->taglineno);

            }

        }

        // create config object

        $_output = "<?php  Smarty_Internal_Extension_Config::configLoad(\$_smarty_tpl, $conf_file, $section, '$scope');?>";

        return $_output;

    }

}