library/Smarty/libs/sysplugins/smarty_internal_compile_section.php

   1 <?php
   2 /**
   3  * Smarty Internal Plugin Compile Section
   4  * Compiles the {section} {sectionelse} {/section} tags
   5  *
   6  * @package    Smarty
   7  * @subpackage Compiler
   8  * @author     Uwe Tews
   9  */
  10
  11 /**
  12  * Smarty Internal Plugin Compile Section Class
  13  *
  14  * @package    Smarty
  15  * @subpackage Compiler
  16  */
  17 class Smarty_Internal_Compile_Section extends Smarty_Internal_CompileBase
  18 {
  19     /**
  20      * Attribute definition: Overwrites base class.
  21      *
  22      * @var array
  23      * @see Smarty_Internal_CompileBase
  24      */
  25     public $required_attributes = array('name', 'loop');
  26     /**
  27      * Attribute definition: Overwrites base class.
  28      *
  29      * @var array
  30      * @see Smarty_Internal_CompileBase
  31      */
  32     public $shorttag_order = array('name', 'loop');
  33     /**
  34      * Attribute definition: Overwrites base class.
  35      *
  36      * @var array
  37      * @see Smarty_Internal_CompileBase
  38      */
  39     public $optional_attributes = array('start', 'step', 'max', 'show');
  40
  41     /**
  42      * Compiles code for the {section} tag
  43      *
  44      * @param  array  $args     array with attributes from parser
  45      * @param  object $compiler compiler object
  46      *
  47      * @return string compiled code
  48      */
  49     public function compile($args, $compiler)
  50     {
  51         // check and get attributes
  52         $_attr = $this->getAttributes($compiler, $args);
  53
  54         $this->openTag($compiler, 'section', array('section', $compiler->nocache));
  55         // maybe nocache because of nocache variables
  56         $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
  57
  58         $output = "<?php ";
  59
  60         $section_name = $_attr['name'];
  61
  62         $output .= "if (isset(\$_smarty_tpl->tpl_vars['smarty']->value['section'][$section_name])) unset(\$_smarty_tpl->tpl_vars['smarty']->value['section'][$section_name]);\n";
  63         $section_props = "\$_smarty_tpl->tpl_vars['smarty']->value['section'][$section_name]";
  64
  65         foreach ($_attr as $attr_name => $attr_value) {
  66             switch ($attr_name) {
  67                 case 'loop':
  68                     $output .= "{$section_props}['loop'] = is_array(\$_loop=$attr_value) ? count(\$_loop) : max(0, (int) \$_loop); unset(\$_loop);\n";
  69                     break;
  70
  71                 case 'show':
  72                     if (is_bool($attr_value)) {
  73                         $show_attr_value = $attr_value ? 'true' : 'false';
  74                     } else {
  75                         $show_attr_value = "(bool) $attr_value";
  76                     }
  77                     $output .= "{$section_props}['show'] = $show_attr_value;\n";
  78                     break;
  79
  80                 case 'name':
  81                     $output .= "{$section_props}['$attr_name'] = $attr_value;\n";
  82                     break;
  83
  84                 case 'max':
  85                 case 'start':
  86                     $output .= "{$section_props}['$attr_name'] = (int) $attr_value;\n";
  87                     break;
  88
  89                 case 'step':
  90                     $output .= "{$section_props}['$attr_name'] = ((int) $attr_value) == 0 ? 1 : (int) $attr_value;\n";
  91                     break;
  92             }
  93         }
  94
  95         if (!isset($_attr['show'])) {
  96             $output .= "{$section_props}['show'] = true;\n";
  97         }
  98
  99         if (!isset($_attr['loop'])) {
 100             $output .= "{$section_props}['loop'] = 1;\n";
 101         }
 102
 103         if (!isset($_attr['max'])) {
 104             $output .= "{$section_props}['max'] = {$section_props}['loop'];\n";
 105         } else {
 106             $output .= "if ({$section_props}['max'] < 0)\n" . "    {$section_props}['max'] = {$section_props}['loop'];\n";
 107         }
 108
 109         if (!isset($_attr['step'])) {
 110             $output .= "{$section_props}['step'] = 1;\n";
 111         }
 112
 113         if (!isset($_attr['start'])) {
 114             $output .= "{$section_props}['start'] = {$section_props}['step'] > 0 ? 0 : {$section_props}['loop']-1;\n";
 115         } else {
 116             $output .= "if ({$section_props}['start'] < 0)\n" . "    {$section_props}['start'] = max({$section_props}['step'] > 0 ? 0 : -1, {$section_props}['loop'] + {$section_props}['start']);\n" . "else\n" . "    {$section_props}['start'] = min({$section_props}['start'], {$section_props}['step'] > 0 ? {$section_props}['loop'] : {$section_props}['loop']-1);\n";
 117         }
 118
 119         $output .= "if ({$section_props}['show']) {\n";
 120         if (!isset($_attr['start']) && !isset($_attr['step']) && !isset($_attr['max'])) {
 121             $output .= "    {$section_props}['total'] = {$section_props}['loop'];\n";
 122         } else {
 123             $output .= "    {$section_props}['total'] = min(ceil(({$section_props}['step'] > 0 ? {$section_props}['loop'] - {$section_props}['start'] : {$section_props}['start']+1)/abs({$section_props}['step'])), {$section_props}['max']);\n";
 124         }
 125         $output .= "    if ({$section_props}['total'] == 0)\n" . "        {$section_props}['show'] = false;\n" . "} else\n" . "    {$section_props}['total'] = 0;\n";
 126
 127         $output .= "if ({$section_props}['show']):\n";
 128         $output .= "
 129             for ({$section_props}['index'] = {$section_props}['start'], {$section_props}['iteration'] = 1;
 130                  {$section_props}['iteration'] <= {$section_props}['total'];
 131                  {$section_props}['index'] += {$section_props}['step'], {$section_props}['iteration']++):\n";
 132         $output .= "{$section_props}['rownum'] = {$section_props}['iteration'];\n";
 133         $output .= "{$section_props}['index_prev'] = {$section_props}['index'] - {$section_props}['step'];\n";
 134         $output .= "{$section_props}['index_next'] = {$section_props}['index'] + {$section_props}['step'];\n";
 135         $output .= "{$section_props}['first']      = ({$section_props}['iteration'] == 1);\n";
 136         $output .= "{$section_props}['last']       = ({$section_props}['iteration'] == {$section_props}['total']);\n";
 137
 138         $output .= "?>";
 139
 140         return $output;
 141     }
 142 }
 143
 144 /**
 145  * Smarty Internal Plugin Compile Sectionelse Class
 146  *
 147  * @package    Smarty
 148  * @subpackage Compiler
 149  */
 150 class Smarty_Internal_Compile_Sectionelse extends Smarty_Internal_CompileBase
 151 {
 152     /**
 153      * Compiles code for the {sectionelse} tag
 154      *
 155      * @param  array  $args     array with attributes from parser
 156      * @param  object $compiler compiler object
 157      *
 158      * @return string compiled code
 159      */
 160     public function compile($args, $compiler)
 161     {
 162         // check and get attributes
 163         $_attr = $this->getAttributes($compiler, $args);
 164
 165         list($openTag, $nocache) = $this->closeTag($compiler, array('section'));
 166         $this->openTag($compiler, 'sectionelse', array('sectionelse', $nocache));
 167
 168         return "<?php endfor; else: ?>";
 169     }
 170 }
 171
 172 /**
 173  * Smarty Internal Plugin Compile Sectionclose Class
 174  *
 175  * @package    Smarty
 176  * @subpackage Compiler
 177  */
 178 class Smarty_Internal_Compile_Sectionclose extends Smarty_Internal_CompileBase
 179 {
 180     /**
 181      * Compiles code for the {/section} tag
 182      *
 183      * @param  array  $args     array with attributes from parser
 184      * @param  object $compiler compiler object
 185      *
 186      * @return string compiled code
 187      */
 188     public function compile($args, $compiler)
 189     {
 190         // check and get attributes
 191         $_attr = $this->getAttributes($compiler, $args);
 192
 193         // must endblock be nocache?
 194         if ($compiler->nocache) {
 195             $compiler->tag_nocache = true;
 196         }
 197
 198         list($openTag, $compiler->nocache) = $this->closeTag($compiler, array('section', 'sectionelse'));
 199
 200         if ($openTag == 'sectionelse') {
 201             return "<?php endif; ?>";
 202         } else {
 203             return "<?php endfor; endif; ?>";
 204         }
 205     }
 206 }