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Редакция | Автор | № строки | Строка |
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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 | ?> |