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| Редакция | Автор | № строки | Строка |
|---|---|---|---|
| 304 | alex-w | 1 | <?php |
| 2 | /** |
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| 3 | * Smarty Internal Plugin Compile Foreach |
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| 4 | * |
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| 5 | * Compiles the {foreach} tag |
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| 6 | * |
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| 7 | * @package Smarty |
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| 8 | * @subpackage Compiler |
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| 9 | * @author Uwe Tews |
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| 10 | */ |
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| 11 | /** |
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| 12 | * Smarty Internal Plugin Compile Foreach Class |
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| 13 | */ |
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| 14 | class Smarty_Internal_Compile_Foreach extends Smarty_Internal_CompileBase { |
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| 15 | /** |
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| 16 | * Compiles code for the {foreach} tag |
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| 17 | * |
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| 18 | * @param array $args array with attributes from parser |
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| 19 | * @param object $compiler compiler object |
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| 20 | * @return string compiled code |
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| 21 | */ |
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| 22 | public function compile($args, $compiler) |
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| 23 | { |
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| 24 | $this->compiler = $compiler; |
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| 25 | $this->required_attributes = array('from', 'item'); |
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| 26 | $this->optional_attributes = array('name', 'key'); |
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| 27 | $tpl = $compiler->template; |
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| 28 | // check and get attributes |
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| 29 | $_attr = $this->_get_attributes($args); |
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| 30 | |||
| 31 | $this->_open_tag('foreach'); |
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| 32 | |||
| 33 | $from = $_attr['from']; |
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| 34 | $item = $_attr['item']; |
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| 35 | |||
| 36 | if (isset($_attr['key'])) { |
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| 37 | $key = $_attr['key']; |
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| 38 | } else { |
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| 39 | $key = null; |
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| 40 | } |
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| 41 | |||
| 42 | if (isset($_attr['name'])) { |
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| 43 | $name = $_attr['name']; |
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| 44 | $has_name = true; |
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| 45 | $SmartyVarName = '$smarty.foreach.' . trim($name,'\'"') . '.'; |
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| 46 | } else { |
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| 47 | $name = null; |
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| 48 | $has_name = false; |
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| 49 | } |
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| 50 | $ItemVarName = '$' . trim($item,'\'"') . '@'; |
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| 51 | // evaluates which Smarty variables and properties have to be computed |
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| 52 | if ($has_name) { |
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| 53 | $usesSmartyFirst = strpos($tpl->template_source, $SmartyVarName . 'first') !== false; |
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| 54 | $usesSmartyLast = strpos($tpl->template_source, $SmartyVarName . 'last') !== false; |
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| 55 | $usesSmartyIndex = strpos($tpl->template_source, $SmartyVarName . 'index') !== false; |
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| 56 | $usesSmartyIteration = strpos($tpl->template_source, $SmartyVarName . 'iteration') !== false; |
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| 57 | $usesSmartyShow = strpos($tpl->template_source, $SmartyVarName . 'show') !== false; |
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| 58 | $usesSmartyTotal = $usesSmartyLast || strpos($tpl->template_source, $SmartyVarName . 'total') !== false; |
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| 59 | } else { |
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| 60 | $usesSmartyFirst = false; |
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| 61 | $usesSmartyLast = false; |
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| 62 | $usesSmartyTotal = false; |
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| 63 | } |
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| 64 | |||
| 65 | $usesPropFirst = $usesSmartyFirst || strpos($tpl->template_source, $ItemVarName . 'first') !== false; |
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| 66 | $usesPropLast = $usesSmartyLast || strpos($tpl->template_source, $ItemVarName . 'last') !== false; |
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| 67 | $usesPropIndex = $usesPropFirst || strpos($tpl->template_source, $ItemVarName . 'index') !== false; |
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| 68 | $usesPropIteration = $usesPropLast || strpos($tpl->template_source, $ItemVarName . 'iteration') !== false; |
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| 69 | $usesPropShow = strpos($tpl->template_source, $ItemVarName . 'show') !== false; |
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| 70 | $usesPropTotal = $usesSmartyTotal || $usesPropLast || strpos($tpl->template_source, $ItemVarName . 'total') !== false; |
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| 71 | // generate output code |
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| 72 | $output = "<?php "; |
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| 73 | $output .= " \$_smarty_tpl->tpl_vars[$item] = new Smarty_Variable;\n"; |
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| 74 | if ($key != null) { |
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| 75 | $output .= " \$_smarty_tpl->tpl_vars[$key] = new Smarty_Variable;\n"; |
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| 76 | } |
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| 77 | $output .= " \$_from = $from; if (!is_array(\$_from) && !is_object(\$_from)) { settype(\$_from, 'array');}\n"; |
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| 78 | if ($usesPropTotal) { |
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| 79 | $output .= " \$_smarty_tpl->tpl_vars[$item]->total=count(\$_from);\n"; |
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| 80 | } |
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| 81 | if ($usesPropIteration) { |
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| 82 | $output .= " \$_smarty_tpl->tpl_vars[$item]->iteration=0;\n"; |
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| 83 | } |
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| 84 | if ($usesPropIndex) { |
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| 85 | $output .= " \$_smarty_tpl->tpl_vars[$item]->index=-1;\n"; |
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| 86 | } |
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| 87 | if ($has_name) { |
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| 88 | if ($usesSmartyTotal) { |
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| 89 | $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['total'] = \$_smarty_tpl->tpl_vars[$item]->total;\n"; |
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| 90 | } |
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| 91 | if ($usesSmartyIteration) { |
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| 92 | $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['iteration']=0;\n"; |
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| 93 | } |
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| 94 | if ($usesSmartyIndex) { |
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| 95 | $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['index']=-1;\n"; |
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| 96 | } |
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| 97 | } |
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| 98 | $output .= "if (count(\$_from) > 0){\n"; |
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| 99 | $output .= " foreach (\$_from as \$_smarty_tpl->tpl_vars[$item]->key => \$_smarty_tpl->tpl_vars[$item]->value){\n"; |
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| 100 | if ($key != null) { |
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| 101 | $output .= " \$_smarty_tpl->tpl_vars[$key]->value = \$_smarty_tpl->tpl_vars[$item]->key;\n"; |
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| 102 | } |
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| 103 | if ($usesPropIteration) { |
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| 104 | $output .= " \$_smarty_tpl->tpl_vars[$item]->iteration++;\n"; |
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| 105 | } |
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| 106 | if ($usesPropIndex) { |
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| 107 | $output .= " \$_smarty_tpl->tpl_vars[$item]->index++;\n"; |
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| 108 | } |
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| 109 | if ($usesPropFirst) { |
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| 110 | $output .= " \$_smarty_tpl->tpl_vars[$item]->first = \$_smarty_tpl->tpl_vars[$item]->index === 0;\n"; |
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| 111 | } |
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| 112 | if ($usesPropLast) { |
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| 113 | $output .= " \$_smarty_tpl->tpl_vars[$item]->last = \$_smarty_tpl->tpl_vars[$item]->iteration === \$_smarty_tpl->tpl_vars[$item]->total;\n"; |
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| 114 | } |
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| 115 | if ($has_name) { |
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| 116 | if ($usesSmartyFirst) { |
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| 117 | $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['first'] = \$_smarty_tpl->tpl_vars[$item]->first;\n"; |
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| 118 | } |
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| 119 | if ($usesSmartyIteration) { |
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| 120 | $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['iteration']++;\n"; |
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| 121 | } |
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| 122 | if ($usesSmartyIndex) { |
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| 123 | $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['index']++;\n"; |
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| 124 | } |
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| 125 | if ($usesSmartyLast) { |
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| 126 | $output .= " \$_smarty_tpl->tpl_vars['smarty']->value['foreach'][$name]['last'] = \$_smarty_tpl->tpl_vars[$item]->last;\n"; |
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| 127 | } |
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| 128 | } |
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| 129 | $output .= "?>"; |
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| 130 | |||
| 131 | return $output; |
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| 132 | } |
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| 133 | } |
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| 134 | |||
| 135 | ?> |