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:                     $compiler->template->tpl_vars[trim($parameter['if condition']['var']['var'], "'")] = new Smarty_variable(null, true);
46:                 } else {
47:                     $compiler->template->tpl_vars[trim($parameter['if condition']['var'], "'")] = new Smarty_variable(null, true);
48:                 }
49:             } else {
50:                 $_nocache = '';
51:             }
52:             if (is_array($parameter['if condition']['var'])) {
53:                 $_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";
54:                 $_output .= "while (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]->value" . $parameter['if condition']['var']['smarty_internal_index'] . " = " . $parameter['if condition']['value'] . ") {?>";
55:             } else {
56:                 $_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});";
57:                 $_output .= "while (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "]->value = " . $parameter['if condition']['value'] . ") {?>";
58:             }
59: 
60:             return $_output;
61:         } else {
62:             return "<?php while ({$parameter['if condition']}) {?>";
63:         }
64:     }
65: }
66: 
67: /**
68:  * Smarty Internal Plugin Compile Whileclose Class
69:  *
70:  * @package    Smarty
71:  * @subpackage Compiler
72:  */
73: class Smarty_Internal_Compile_Whileclose extends Smarty_Internal_CompileBase
74: {
75:     /**
76:      * Compiles code for the {/while} tag
77:      *
78:      * @param  array  $args     array with attributes from parser
79:      * @param  object $compiler compiler object
80:      *
81:      * @return string compiled code
82:      */
83:     public function compile($args, $compiler)
84:     {
85:         // must endblock be nocache?
86:         if ($compiler->nocache) {
87:             $compiler->tag_nocache = true;
88:         }
89:         $compiler->nocache = $this->closeTag($compiler, array('while'));
90: 
91:         return "<?php }?>";
92:     }
93: }
94: