lib/api/smarty/sysplugins/smarty_internal_compile_while.php

   1 <?php
   2 /**
   3  * Smarty Internal Plugin Compile While
   4  * Compiles the {while} tag
   5  *
   6  * @package    Smarty
   7  * @subpackage Compiler
   8  * @author     Uwe Tews
   9  */
  10
  11 /**
  12  * Smarty Internal Plugin Compile While Class
  13  *
  14  * @package    Smarty
  15  * @subpackage Compiler
  16  */
  17 class Smarty_Internal_Compile_While extends Smarty_Internal_CompileBase
  18 {
  19     /**
  20      * Compiles code for the {while} tag
  21      *
  22      * @param  array  $args      array with attributes from parser
  23      * @param  object $compiler  compiler object
  24      * @param  array  $parameter array with compilation parameter
  25      *
  26      * @return string compiled code
  27      */
  28     public function compile($args, $compiler, $parameter)
  29     {
  30         // check and get attributes
  31         $_attr = $this->getAttributes($compiler, $args);
  32         $this->openTag($compiler, 'while', $compiler->nocache);
  33
  34         if (!array_key_exists("if condition", $parameter)) {
  35             $compiler->trigger_template_error("missing while condition", $compiler->lex->taglineno);
  36         }
  37
  38         // maybe nocache because of nocache variables
  39         $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
  40         if (is_array($parameter['if condition'])) {
  41             if ($compiler->nocache) {
  42                 $_nocache = ',true';
  43                 // create nocache var to make it know for further compiling
  44                 if (is_array($parameter['if condition']['var'])) {
  45                     $var = trim($parameter['if condition']['var']['var'], "'");
  46                 } else {
  47                     $var = trim($parameter['if condition']['var'], "'");
  48                 }
  49                 if (isset($compiler->template->tpl_vars[$var])) {
  50                     $compiler->template->tpl_vars[$var]->nocache = true;
  51                 } else {
  52                     $compiler->template->tpl_vars[$var] = new Smarty_Variable(null, true);
  53                 }
  54             } else {
  55                 $_nocache = '';
  56             }
  57             if (is_array($parameter['if condition']['var'])) {
  58                 $_output = "<?php if (!isset(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]) || !is_array(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]->value)) \$_smarty_tpl->createLocalArrayVariable(" . $parameter['if condition']['var']['var'] . "$_nocache);\n";
  59                 $_output .= "while (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]->value" . $parameter['if condition']['var']['smarty_internal_index'] . " = " . $parameter['if condition']['value'] . ") {?>";
  60             } else {
  61                 $_output = "<?php if (!isset(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "])) \$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "] = new Smarty_Variable(null{$_nocache});";
  62                 $_output .= "while (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "]->value = " . $parameter['if condition']['value'] . ") {?>";
  63             }
  64
  65             return $_output;
  66         } else {
  67             return "<?php while ({$parameter['if condition']}) {?>";
  68         }
  69     }
  70 }
  71
  72 /**
  73  * Smarty Internal Plugin Compile Whileclose Class
  74  *
  75  * @package    Smarty
  76  * @subpackage Compiler
  77  */
  78 class Smarty_Internal_Compile_Whileclose extends Smarty_Internal_CompileBase
  79 {
  80     /**
  81      * Compiles code for the {/while} tag
  82      *
  83      * @param  array  $args     array with attributes from parser
  84      * @param  object $compiler compiler object
  85      *
  86      * @return string compiled code
  87      */
  88     public function compile($args, $compiler)
  89     {
  90         // must endblock be nocache?
  91         if ($compiler->nocache) {
  92             $compiler->tag_nocache = true;
  93         }
  94         $compiler->nocache = $this->closeTag($compiler, array('while'));
  95
  96         return "<?php }?>";
  97     }
  98 }