gosa-core/include/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  * @package Smarty
  16  * @subpackage Compiler
  17  */
  18 class Smarty_Internal_Compile_Function extends Smarty_Internal_CompileBase {
  19
  20     /**
  21      * Attribute definition: Overwrites base class.
  22      *
  23      * @var array
  24      * @see Smarty_Internal_CompileBase
  25      */
  26     public $required_attributes = array('name');
  27     /**
  28      * Attribute definition: Overwrites base class.
  29      *
  30      * @var array
  31      * @see Smarty_Internal_CompileBase
  32      */
  33     public $shorttag_order = array('name');
  34     /**
  35      * Attribute definition: Overwrites base class.
  36      *
  37      * @var array
  38      * @see Smarty_Internal_CompileBase
  39      */
  40     public $optional_attributes = array('_any');
  41
  42     /**
  43      * Compiles code for the {function} tag
  44      *
  45      * @param array $args array with attributes from parser
  46      * @param object $compiler compiler object
  47      * @param array $parameter array with compilation parameter
  48      * @return boolean true
  49      */
  50     public function compile($args, $compiler, $parameter)
  51     {
  52         // check and get attributes
  53         $_attr = $this->getAttributes($compiler, $args);
  54
  55         if ($_attr['nocache'] === true) {
  56             $compiler->trigger_template_error('nocache option not allowed', $compiler->lex->taglineno);
  57         }
  58         unset($_attr['nocache']);
  59         $save = array($_attr, $compiler->parser->current_buffer,
  60             $compiler->template->has_nocache_code, $compiler->template->required_plugins);
  61         $this->openTag($compiler, 'function', $save);
  62         $_name = trim($_attr['name'], "'\"");
  63         unset($_attr['name']);
  64         // set flag that we are compiling a template function
  65         $compiler->compiles_template_function = true;
  66         $compiler->template->properties['function'][$_name]['parameter'] = array();
  67         $_smarty_tpl = $compiler->template;
  68         foreach ($_attr as $_key => $_data) {
  69             eval ('$tmp='.$_data.';');
  70             $compiler->template->properties['function'][$_name]['parameter'][$_key] = $tmp;
  71         }
  72         $compiler->smarty->template_functions[$_name]['parameter'] = $compiler->template->properties['function'][$_name]['parameter'];
  73         if ($compiler->template->caching) {
  74             $output = '';
  75         } else {
  76             $output = "<?php if (!function_exists('smarty_template_function_{$_name}')) {
  77     function smarty_template_function_{$_name}(\$_smarty_tpl,\$params) {
  78     \$saved_tpl_vars = \$_smarty_tpl->tpl_vars;
  79     foreach (\$_smarty_tpl->smarty->template_functions['{$_name}']['parameter'] as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);};
  80     foreach (\$params as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);}?>";
  81         }
  82         // Init temporay context
  83         $compiler->template->required_plugins = array('compiled' => array(), 'nocache' => array());
  84         $compiler->parser->current_buffer = new _smarty_template_buffer($compiler->parser);
  85         $compiler->parser->current_buffer->append_subtree(new _smarty_tag($compiler->parser, $output));
  86         $compiler->template->has_nocache_code = false;
  87         $compiler->has_code = false;
  88         $compiler->template->properties['function'][$_name]['compiled'] = '';
  89         return true;
  90     }
  91
  92 }
  93
  94 /**
  95  * Smarty Internal Plugin Compile Functionclose Class
  96  *
  97  * @package Smarty
  98  * @subpackage Compiler
  99  */
 100 class Smarty_Internal_Compile_Functionclose extends Smarty_Internal_CompileBase {
 101
 102     /**
 103      * Compiles code for the {/function} tag
 104      *
 105      * @param array $args array with attributes from parser
 106      * @param object $compiler compiler object
 107      * @param array $parameter array with compilation parameter
 108      * @return boolean true
 109      */
 110     public function compile($args, $compiler, $parameter)
 111     {
 112         $_attr = $this->getAttributes($compiler, $args);
 113         $saved_data = $this->closeTag($compiler, array('function'));
 114         $_name = trim($saved_data[0]['name'], "'\"");
 115         // build plugin include code
 116         $plugins_string = '';
 117         if (!empty($compiler->template->required_plugins['compiled'])) {
 118             $plugins_string = '<?php ';
 119             foreach($compiler->template->required_plugins['compiled'] as $tmp) {
 120                 foreach($tmp as $data) {
 121                     $plugins_string .= "if (!is_callable('{$data['function']}')) include '{$data['file']}';\n";
 122                 }
 123             }
 124             $plugins_string .= '?>';
 125         }
 126         if (!empty($compiler->template->required_plugins['nocache'])) {
 127             $plugins_string .= "<?php echo '/*%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/<?php ";
 128             foreach($compiler->template->required_plugins['nocache'] as $tmp) {
 129                 foreach($tmp as $data) {
 130                     $plugins_string .= "if (!is_callable(\'{$data['function']}\')) include \'{$data['file']}\';\n";
 131                 }
 132             }
 133             $plugins_string .= "?>/*/%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/';?>\n";
 134         }
 135          // remove last line break from function definition
 136          $last = count($compiler->parser->current_buffer->subtrees) - 1;
 137          if ($compiler->parser->current_buffer->subtrees[$last] instanceof _smarty_linebreak) {
 138              unset($compiler->parser->current_buffer->subtrees[$last]);
 139          }
 140         // if caching save template function for possible nocache call
 141         if ($compiler->template->caching) {
 142             $compiler->template->properties['function'][$_name]['compiled'] .= $plugins_string
 143              . $compiler->parser->current_buffer->to_smarty_php();
 144             $compiler->template->properties['function'][$_name]['nocache_hash'] = $compiler->template->properties['nocache_hash'];
 145             $compiler->template->properties['function'][$_name]['has_nocache_code'] = $compiler->template->has_nocache_code;
 146             $compiler->template->properties['function'][$_name]['called_functions'] = $compiler->called_functions;
 147             $compiler->called_functions = array();
 148             $compiler->smarty->template_functions[$_name] = $compiler->template->properties['function'][$_name];
 149             $compiler->has_code = false;
 150             $output = true;
 151         } else {
 152             $output = $plugins_string . $compiler->parser->current_buffer->to_smarty_php() . "<?php \$_smarty_tpl->tpl_vars = \$saved_tpl_vars;}}?>\n";
 153         }
 154         // reset flag that we are compiling a template function
 155         $compiler->compiles_template_function = false;
 156         // restore old compiler status
 157         $compiler->parser->current_buffer = $saved_data[1];
 158         $compiler->template->has_nocache_code = $compiler->template->has_nocache_code | $saved_data[2];
 159         $compiler->template->required_plugins = $saved_data[3];
 160         return $output;
 161     }
 162
 163 }
 164
 165 ?>