text: <?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');
  
      /**
       * Attribute definition: Overwrites base class.
       *
       * @var array
       * @see Smarty_Internal_CompileBase
       */
      public $option_flags = array('nocache', 'noscope');
  
      /**
       * Valid scope names
       *
       * @var array
       */
      public $valid_scopes = array('local' => Smarty::SCOPE_LOCAL, 'parent' => Smarty::SCOPE_PARENT,
                                   'root' => Smarty::SCOPE_ROOT, 'tpl_root' => Smarty::SCOPE_TPL_ROOT,
                                   'smarty' => Smarty::SCOPE_SMARTY);
  
      /**
       * Compiles code for the {config_load} tag
       *
       * @param  array                                $args     array with attributes from parser
       * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
       *
       * @return string compiled code
       * @throws \SmartyCompilerException
       */
      public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
      {
          // check and get attributes
          $_attr = $this->getAttributes($compiler, $args);
  
          if ($_attr[ 'nocache' ] === true) {
              $compiler->trigger_template_error('nocache option not allowed', null, true);
          }
  
          // save possible attributes
          $conf_file = $_attr[ 'file' ];
          if (isset($_attr[ 'section' ])) {
              $section = $_attr[ 'section' ];
          } else {
              $section = 'null';
          }
          // scope setup
          if ($_attr[ 'noscope' ]) {
              $_scope = - 1;
          } else {
              $_scope = $compiler->convertScope($_attr, $this->valid_scopes);
          }
  
          // create config object
          $_output =
              "<?php\n\$_smarty_tpl->smarty->ext->configLoad->_loadConfigFile(\$_smarty_tpl, {$conf_file}, {$section}, {$_scope});\n?>\n";
  
          return $_output;
      }
  }
  