include/libs/template_lite/internal/compile.section_start.php

   1 <?php
   2 /**
   3  * Template Lite section_start compile plugin converted from Smarty
   4  *
   5  * Type:         compile
   6  * Name:         section_start
   7  */
   8
   9 function compile_section_start($arguments, &$object)
  10 {
  11         $attrs = $object->_parse_arguments($arguments);
  12         $arg_list = array();
  13
  14         $output = '<?php ';
  15         $section_name = $attrs['name'];
  16         if (empty($section_name))
  17         {
  18                 throw new Template_Exception("missing section name", $object);
  19         }
  20
  21         $output .= "if (isset(\$this->_sections['$section_name'])) unset(\$this->_sections['$section_name']);\n";
  22         $section_props = "\$this->_sections['$section_name']";
  23
  24         foreach ($attrs as $attr_name => $attr_value)
  25         {
  26                 switch ($attr_name)
  27                 {
  28                         case 'loop':
  29                                 $output .= "{$section_props}['loop'] = is_array($attr_value) ? count($attr_value) : max(0, (int)$attr_value);\n";
  30                                 break;
  31
  32                         case 'show':
  33                                 if (is_bool($attr_value))
  34                                 {
  35                                         $show_attr_value = $attr_value ? 'true' : 'false';
  36                                 }
  37                                 else
  38                                 {
  39                                         $show_attr_value = "(bool)$attr_value";
  40                                 }
  41                                 $output .= "{$section_props}['show'] = $show_attr_value;\n";
  42                                 break;
  43
  44                         case 'name':
  45                                 $output .= "{$section_props}['$attr_name'] = '$attr_value';\n";
  46                                 break;
  47
  48                         case 'max':
  49                         case 'start':
  50                                 $output .= "{$section_props}['$attr_name'] = (int)$attr_value;\n";
  51                                 break;
  52
  53                         case 'step':
  54                                 $output .= "{$section_props}['$attr_name'] = ((int)$attr_value) == 0 ? 1 : (int)$attr_value;\n";
  55                                 break;
  56
  57                         default:
  58                                 throw new Template_Exception("unknown section attribute - '$attr_name'", $object);
  59                                 break;
  60                 }
  61         }
  62
  63         if (!isset($attrs['show']))
  64         {
  65                 $output .= "{$section_props}['show'] = true;\n";
  66         }
  67
  68         if (!isset($attrs['loop']))
  69         {
  70                 $output .= "{$section_props}['loop'] = 1;\n";
  71         }
  72
  73         if (!isset($attrs['max']))
  74         {
  75                 $output .= "{$section_props}['max'] = {$section_props}['loop'];\n";
  76         }
  77         else
  78         {
  79                 $output .= "if ({$section_props}['max'] < 0)\n" .
  80                                         "       {$section_props}['max'] = {$section_props}['loop'];\n";
  81         }
  82
  83         if (!isset($attrs['step']))
  84         {
  85                 $output .= "{$section_props}['step'] = 1;\n";
  86         }
  87
  88         if (!isset($attrs['start']))
  89         {
  90                 $output .= "{$section_props}['start'] = {$section_props}['step'] > 0 ? 0 : {$section_props}['loop']-1;\n";
  91         }
  92         else
  93         {
  94                 $output .= "if ({$section_props}['start'] < 0)\n" .
  95                                    "    {$section_props}['start'] = max({$section_props}['step'] > 0 ? 0 : -1, {$section_props}['loop'] + {$section_props}['start']);\n" .
  96                                    "else\n" .
  97                                    "    {$section_props}['start'] = min({$section_props}['start'], {$section_props}['step'] > 0 ? {$section_props}['loop'] : {$section_props}['loop']-1);\n";
  98         }
  99
 100         $output .= "if ({$section_props}['show']) {\n";
 101         if (!isset($attrs['start']) && !isset($attrs['step']) && !isset($attrs['max']))
 102         {
 103                 $output .= "    {$section_props}['total'] = {$section_props}['loop'];\n";
 104         }
 105         else
 106         {
 107                 $output .= "    {$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";
 108         }
 109         $output .= "    if ({$section_props}['total'] == 0)\n" .
 110                            "            {$section_props}['show'] = false;\n" .
 111                            "} else\n" .
 112                            "    {$section_props}['total'] = 0;\n";
 113
 114         $output .= "if ({$section_props}['show']):\n";
 115         $output .= "
 116                 for ({$section_props}['index'] = {$section_props}['start'], {$section_props}['iteration'] = 1;
 117                          {$section_props}['iteration'] <= {$section_props}['total'];
 118                          {$section_props}['index'] += {$section_props}['step'], {$section_props}['iteration']++):\n";
 119         $output .= "{$section_props}['rownum'] = {$section_props}['iteration'];\n";
 120         $output .= "{$section_props}['index_prev'] = {$section_props}['index'] - {$section_props}['step'];\n";
 121         $output .= "{$section_props}['index_next'] = {$section_props}['index'] + {$section_props}['step'];\n";
 122         $output .= "{$section_props}['first']     = ({$section_props}['iteration'] == 1);\n";
 123         $output .= "{$section_props}['last']       = ({$section_props}['iteration'] == {$section_props}['total']);\n";
 124
 125         $output .= "?>";
 126
 127         return $output;
 128 }
 129 ?>