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      * Compiles code for the {while} tag

    20      *

    21      * @param  array $args array with attributes from parser

    22      * @param  object $compiler compiler object

    23      * @param  array $parameter array with compilation parameter

    24      *

    25      * @return string compiled code

    26      */

    27     public function compile($args, $compiler, $parameter) {

    28         // check and get attributes

    29         $_attr = $this->getAttributes($compiler, $args);

    30         $this->openTag($compiler, 'while', $compiler->nocache);

    31 

    32         if (!array_key_exists("if condition", $parameter)) {

    33             $compiler->trigger_template_error("missing while condition", $compiler->lex->taglineno);

    34         }

    35 

    36         // maybe nocache because of nocache variables

    37         $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;

    38         if (is_array($parameter['if condition'])) {

    39             if ($compiler->nocache) {

    40                 $_nocache = ',true';

    41                 // create nocache var to make it know for further compiling

    42                 if (is_array($parameter['if condition']['var'])) {

    43                     $var = trim($parameter['if condition']['var']['var'], "'");

    44                 } else {

    45                     $var = trim($parameter['if condition']['var'], "'");

    46                 }

    47                 if (isset($compiler->template->tpl_vars[$var])) {

    48                     $compiler->template->tpl_vars[$var]->nocache = true;

    49                 } else {

    50                     $compiler->template->tpl_vars[$var] = new Smarty_Variable(null, true);

    51                 }

    52             } else {

    53                 $_nocache = '';

    54             }

    55             if (is_array($parameter['if condition']['var'])) {

    56                 $_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";

    57                 $_output .= "while (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]->value" . $parameter['if condition']['var']['smarty_internal_index'] . " = " . $parameter['if condition']['value'] . ") {?>";

    58             } else {

    59                 $_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});";

    60                 $_output .= "while (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "]->value = " . $parameter['if condition']['value'] . ") {?>";

    61             }

    62 

    63             return $_output;

    64         } else {

    65             return "<?php while ({$parameter['if condition']}) {?>";

    66         }

    67     }

    68 }

    69 

    70 /**

    71  * Smarty Internal Plugin Compile Whileclose Class

    72  *

    73  * @package    Smarty

    74  * @subpackage Compiler

    75  */

    76 class Smarty_Internal_Compile_Whileclose extends Smarty_Internal_CompileBase {

    77     /**

    78      * Compiles code for the {/while} tag

    79      *

    80      * @param  array $args array with attributes from parser

    81      * @param  object $compiler compiler object

    82      *

    83      * @return string compiled code

    84      */

    85     public function compile($args, $compiler) {

    86         // must endblock be nocache?

    87         if ($compiler->nocache) {

    88             $compiler->tag_nocache = true;

    89         }

    90         $compiler->nocache = $this->closeTag($compiler, array('while'));

    91 

    92         return "<?php }?>";

    93     }

    94 }