lib/api/smarty/sysplugins/smarty_internal_compile_if.php

   1 <?php
   2 /**
   3  * Smarty Internal Plugin Compile If
   4  * Compiles the {if} {else} {elseif} {/if} tags
   5  *
   6  * @package    Smarty
   7  * @subpackage Compiler
   8  * @author     Uwe Tews
   9  */
  10
  11 /**
  12  * Smarty Internal Plugin Compile If Class
  13  *
  14  * @package    Smarty
  15  * @subpackage Compiler
  16  */
  17 class Smarty_Internal_Compile_If extends Smarty_Internal_CompileBase
  18 {
  19     /**
  20      * Compiles code for the {if} 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, 'if', array(1, $compiler->nocache));
  33         // must whole block be nocache ?
  34         $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
  35
  36         if (!array_key_exists("if condition", $parameter)) {
  37             $compiler->trigger_template_error("missing if condition", $compiler->lex->taglineno);
  38         }
  39
  40         if (is_array($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 .= "if (\$_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 .= "if (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "]->value = " . $parameter['if condition']['value'] . ") {?>";
  58             }
  59
  60             return $_output;
  61         } else {
  62             return "<?php if ({$parameter['if condition']}) {?>";
  63         }
  64     }
  65 }
  66
  67 /**
  68  * Smarty Internal Plugin Compile Else Class
  69  *
  70  * @package    Smarty
  71  * @subpackage Compiler
  72  */
  73 class Smarty_Internal_Compile_Else extends Smarty_Internal_CompileBase
  74 {
  75     /**
  76      * Compiles code for the {else} tag
  77      *
  78      * @param array  $args      array with attributes from parser
  79      * @param object $compiler  compiler object
  80      * @param array  $parameter array with compilation parameter
  81      *
  82      * @return string compiled code
  83      */
  84     public function compile($args, $compiler, $parameter)
  85     {
  86         list($nesting, $compiler->tag_nocache) = $this->closeTag($compiler, array('if', 'elseif'));
  87         $this->openTag($compiler, 'else', array($nesting, $compiler->tag_nocache));
  88
  89         return "<?php } else { ?>";
  90     }
  91 }
  92
  93 /**
  94  * Smarty Internal Plugin Compile ElseIf Class
  95  *
  96  * @package    Smarty
  97  * @subpackage Compiler
  98  */
  99 class Smarty_Internal_Compile_Elseif extends Smarty_Internal_CompileBase
 100 {
 101     /**
 102      * Compiles code for the {elseif} tag
 103      *
 104      * @param array  $args      array with attributes from parser
 105      * @param object $compiler  compiler object
 106      * @param array  $parameter array with compilation parameter
 107      *
 108      * @return string compiled code
 109      */
 110     public function compile($args, $compiler, $parameter)
 111     {
 112         // check and get attributes
 113         $_attr = $this->getAttributes($compiler, $args);
 114
 115         list($nesting, $compiler->tag_nocache) = $this->closeTag($compiler, array('if', 'elseif'));
 116
 117         if (!array_key_exists("if condition", $parameter)) {
 118             $compiler->trigger_template_error("missing elseif condition", $compiler->lex->taglineno);
 119         }
 120
 121         if (is_array($parameter['if condition'])) {
 122             $condition_by_assign = true;
 123             if ($compiler->nocache) {
 124                 $_nocache = ',true';
 125                 // create nocache var to make it know for further compiling
 126                 if (is_array($parameter['if condition']['var'])) {
 127                     $compiler->template->tpl_vars[trim($parameter['if condition']['var']['var'], "'")] = new Smarty_Variable(null, true);
 128                 } else {
 129                     $compiler->template->tpl_vars[trim($parameter['if condition']['var'], "'")] = new Smarty_Variable(null, true);
 130                 }
 131             } else {
 132                 $_nocache = '';
 133             }
 134         } else {
 135             $condition_by_assign = false;
 136         }
 137
 138         if (empty($compiler->prefix_code)) {
 139             if ($condition_by_assign) {
 140                 $this->openTag($compiler, 'elseif', array($nesting + 1, $compiler->tag_nocache));
 141                 if (is_array($parameter['if condition']['var'])) {
 142                     $_output = "<?php } else { 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";
 143                     $_output .= "if (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]->value" . $parameter['if condition']['var']['smarty_internal_index'] . " = " . $parameter['if condition']['value'] . ") {?>";
 144                 } else {
 145                     $_output = "<?php  } else { if (!isset(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "])) \$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "] = new Smarty_Variable(null{$_nocache});";
 146                     $_output .= "if (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "]->value = " . $parameter['if condition']['value'] . ") {?>";
 147                 }
 148
 149                 return $_output;
 150             } else {
 151                 $this->openTag($compiler, 'elseif', array($nesting, $compiler->tag_nocache));
 152
 153                 return "<?php } elseif ({$parameter['if condition']}) {?>";
 154             }
 155         } else {
 156             $tmp = '';
 157             foreach ($compiler->prefix_code as $code) {
 158                 $tmp .= $code;
 159             }
 160             $compiler->prefix_code = array();
 161             $this->openTag($compiler, 'elseif', array($nesting + 1, $compiler->tag_nocache));
 162             if ($condition_by_assign) {
 163                 if (is_array($parameter['if condition']['var'])) {
 164                     $_output = "<?php } else {?>{$tmp}<?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";
 165                     $_output .= "if (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]->value" . $parameter['if condition']['var']['smarty_internal_index'] . " = " . $parameter['if condition']['value'] . ") {?>";
 166                 } else {
 167                     $_output = "<?php } else {?>{$tmp}<?php if (!isset(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "])) \$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "] = new Smarty_Variable(null{$_nocache});";
 168                     $_output .= "if (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "]->value = " . $parameter['if condition']['value'] . ") {?>";
 169                 }
 170
 171                 return $_output;
 172             } else {
 173                 return "<?php } else {?>{$tmp}<?php if ({$parameter['if condition']}) {?>";
 174             }
 175         }
 176     }
 177 }
 178
 179 /**
 180  * Smarty Internal Plugin Compile Ifclose Class
 181  *
 182  * @package    Smarty
 183  * @subpackage Compiler
 184  */
 185 class Smarty_Internal_Compile_Ifclose extends Smarty_Internal_CompileBase
 186 {
 187     /**
 188      * Compiles code for the {/if} tag
 189      *
 190      * @param array  $args      array with attributes from parser
 191      * @param object $compiler  compiler object
 192      * @param array  $parameter array with compilation parameter
 193      *
 194      * @return string compiled code
 195      */
 196     public function compile($args, $compiler, $parameter)
 197     {
 198         // must endblock be nocache?
 199         if ($compiler->nocache) {
 200             $compiler->tag_nocache = true;
 201         }
 202         list($nesting, $compiler->nocache) = $this->closeTag($compiler, array('if', 'else', 'elseif'));
 203         $tmp = '';
 204         for ($i = 0; $i < $nesting; $i ++) {
 205             $tmp .= '}';
 206         }
 207
 208         return "<?php {$tmp}?>";
 209     }
 210 }