WEB-INF/lib/smarty/sysplugins/smarty_internal_compile_function.php

   1 <?php
   2 /**
   3  * Smarty Internal Plugin Compile Function
   4  *
   5  * Compiles the {function} {/function} tags
   6  *
   7  * @package Smarty
   8  * @subpackage Compiler
   9  * @author Uwe Tews
  10  */
  11
  12 /**
  13  * Smarty Internal Plugin Compile Function Class
  14  */
  15 class Smarty_Internal_Compile_Function extends Smarty_Internal_CompileBase {
  16         // attribute definitions
  17     public $required_attributes = array('name');
  18     public $shorttag_order = array('name');
  19     public $optional_attributes = array('_any');
  20
  21     /**
  22      * Compiles code for the {function} tag
  23      *
  24      * @param array $args array with attributes from parser
  25      * @param object $compiler compiler object
  26       * @param array $parameter array with compilation parameter
  27     * @return boolean true
  28      */
  29     public function compile($args, $compiler, $parameter)
  30     {
  31         $this->compiler = $compiler;
  32         // check and get attributes
  33         $_attr = $this->_get_attributes($args);
  34
  35         if ($_attr['nocache'] === true) {
  36                 $this->compiler->trigger_template_error('nocache option not allowed', $this->compiler->lex->taglineno);
  37         }
  38                 unset($_attr['nocache']);
  39         $save = array($_attr, $compiler->parser->current_buffer,
  40             $compiler->template->has_nocache_code, $compiler->template->required_plugins);
  41         $this->_open_tag('function', $save);
  42         $_name = trim($_attr['name'], "'\"");
  43         unset($_attr['name']);
  44         $compiler->template->properties['function'][$_name]['parameter'] = array();
  45                 $_smarty_tpl = $compiler->template;
  46         foreach ($_attr as $_key => $_data) {
  47                 eval ('$tmp='.$_data.';');
  48             $compiler->template->properties['function'][$_name]['parameter'][$_key] = $tmp;
  49         }
  50         $compiler->smarty->template_functions[$_name]['parameter'] = $compiler->template->properties['function'][$_name]['parameter'];
  51         if ($compiler->template->caching) {
  52             $output = '';
  53         } else {
  54             $output = "<?php if (!function_exists('smarty_template_function_{$_name}')) {
  55     function smarty_template_function_{$_name}(\$_smarty_tpl,\$params) {
  56     \$saved_tpl_vars = \$_smarty_tpl->tpl_vars;
  57     foreach (\$_smarty_tpl->template_functions['{$_name}']['parameter'] as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);};
  58     foreach (\$params as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);}?>";
  59         }
  60         // Init temporay context
  61         $compiler->template->required_plugins = array('compiled' => array(), 'nocache' => array());
  62         $compiler->parser->current_buffer = new _smarty_template_buffer($compiler->parser);
  63         $compiler->parser->current_buffer->append_subtree(new _smarty_tag($compiler->parser, $output));
  64         $compiler->template->has_nocache_code = false;
  65         $compiler->has_code = false;
  66         $compiler->template->properties['function'][$_name]['compiled'] = '';
  67         return true;
  68     }
  69 }
  70
  71 /**
  72  * Smarty Internal Plugin Compile Functionclose Class
  73  */
  74 class Smarty_Internal_Compile_Functionclose extends Smarty_Internal_CompileBase {
  75     /**
  76      * Compiles code for the {/function} tag
  77      *
  78      * @param array $args array with attributes from parser
  79      * @param object $compiler compiler object
  80      * @param array $parameter array with compilation parameter
  81      * @return boolean true
  82      */
  83     public function compile($args, $compiler, $parameter)
  84     {
  85         $this->compiler = $compiler;
  86         $_attr = $this->_get_attributes($args);
  87         $saved_data = $this->_close_tag(array('function'));
  88         $_name = trim($saved_data[0]['name'], "'\"");
  89         // build plugin include code
  90         $plugins_string = '';
  91         if (!empty($compiler->template->required_plugins['compiled'])) {
  92             $plugins_string = '<?php ';
  93             foreach($compiler->template->required_plugins['compiled'] as $tmp) {
  94                 foreach($tmp as $data) {
  95                     $plugins_string .= "if (!is_callable('{$data['function']}')) include '{$data['file']}';\n";
  96                 }
  97             }
  98             $plugins_string .= '?>';
  99         }
 100         if (!empty($compiler->template->required_plugins['nocache'])) {
 101             $plugins_string .= "<?php echo '/*%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/<?php ";
 102             foreach($compiler->template->required_plugins['nocache'] as $tmp) {
 103                 foreach($tmp as $data) {
 104                     $plugins_string .= "if (!is_callable(\'{$data['function']}\')) include \'{$data['file']}\';\n";
 105                 }
 106             }
 107             $plugins_string .= "?>/*/%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/';?>\n";
 108         }
 109                 // remove last line break from function definition
 110                 $last = count($compiler->parser->current_buffer->subtrees) - 1;
 111                 if ($compiler->parser->current_buffer->subtrees[$last] instanceof _smarty_linebreak) {
 112                         unset($compiler->parser->current_buffer->subtrees[$last]);
 113                 }
 114         // if caching save template function for possible nocache call
 115         if ($compiler->template->caching) {
 116             $compiler->template->properties['function'][$_name]['compiled'] .= $plugins_string
 117              . $compiler->parser->current_buffer->to_smarty_php();
 118             $compiler->template->properties['function'][$_name]['nocache_hash'] = $compiler->template->properties['nocache_hash'];
 119             $compiler->template->properties['function'][$_name]['has_nocache_code'] = $compiler->template->has_nocache_code;
 120             $compiler->smarty->template_functions[$_name] = $compiler->template->properties['function'][$_name];
 121             $compiler->has_code = false;
 122             $output = true;
 123         } else {
 124             $output = $plugins_string . $compiler->parser->current_buffer->to_smarty_php() . "<?php \$_smarty_tpl->tpl_vars = \$saved_tpl_vars;}}?>\n";
 125         }
 126         // restore old compiler status
 127         $compiler->parser->current_buffer = $saved_data[1];
 128         $compiler->template->has_nocache_code = $compiler->template->has_nocache_code | $saved_data[2];
 129         $compiler->template->required_plugins = $saved_data[3];
 130         return $output;
 131     }
 132 }
 133
 134 ?>