smarty3的config_load研究

e54f

文件：  \libs\sysplugins\smarty_internal_compile_config_load.php
代码：

1. class Smarty_Internal_Compile_Config_Load extends Smarty_Internal_CompileBase
   
2. {
   
3.     public $required_attributes = array('file');
   
4.     public $shorttag_order = array('file', 'section');
   
5.     public $optional_attributes = array('section', 'scope');
   
6.     public $option_flags = array('nocache', 'noscope');
   
7.     public $valid_scopes = array(
   
8.         'local'  => Smarty::SCOPE_LOCAL, 'parent' => Smarty::SCOPE_PARENT,
   
9.         'root'   => Smarty::SCOPE_ROOT, 'tpl_root' => Smarty::SCOPE_TPL_ROOT,
   
10.         'smarty' => Smarty::SCOPE_SMARTY, 'global' => Smarty::SCOPE_SMARTY
    
11.     );
    
12. 
    
13.     public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
    
14.     {
    
15.         // check and get attributes
    
16.         $_attr = $this->getAttributes($compiler, $args);
    
17.         if ($_attr[ 'nocache' ] === true) {
    
18.             $compiler->trigger_template_error('nocache option not allowed', null, true);
    
19.         }
    
20.         // save possible attributes
    
21.         $conf_file = $_attr[ 'file' ];
    
22.         if (isset($_attr[ 'section' ])) {
    
23.             $section = $_attr[ 'section' ];
    
24.         } else {
    
25.             $section = 'null';
    
26.         }
    
27.         // scope setup
    
28.         if ($_attr[ 'noscope' ]) {
    
29.             $_scope = -1;
    
30.         } else {
    
31.             $_scope = $compiler->convertScope($_attr, $this->valid_scopes);
    
32.         }
    
33.         // create config object
    
34.         $_output =
    
35.             "<?php\n\$_smarty_tpl->smarty->ext->configLoad->_loadConfigFile(\$_smarty_tpl, {$conf_file}, {$section}, {$_scope});\n?>\n";
    
36.         return $_output;
    
37.     }
    
38. }

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