1 <?php |
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2 /** |
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3 * Smarty Internal Plugin Compile For |
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4 * Compiles the {for} {forelse} {/for} tags |
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5 * |
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6 * @package Smarty |
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7 * @subpackage Compiler |
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8 * @author Uwe Tews |
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9 */ |
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10 |
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11 /** |
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12 * Smarty Internal Plugin Compile For Class |
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13 * |
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14 * @package Smarty |
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15 * @subpackage Compiler |
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16 */ |
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17 class Smarty_Internal_Compile_For extends Smarty_Internal_CompileBase { |
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18 /** |
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19 * Compiles code for the {for} tag |
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20 * Smarty 3 does implement two different syntax's: |
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21 * - {for $var in $array} |
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22 * For looping over arrays or iterators |
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23 * - {for $x=0; $x<$y; $x++} |
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24 * For general loops |
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25 * The parser is generating different sets of attribute by which this compiler can |
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26 * determine which syntax is used. |
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27 * |
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28 * @param array $args array with attributes from parser |
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29 * @param object $compiler compiler object |
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30 * @param array $parameter array with compilation parameter |
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31 * |
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32 * @return string compiled code |
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33 */ |
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34 public function compile($args, $compiler, $parameter) { |
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35 if ($parameter == 0) { |
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36 $this->required_attributes = array('start', 'to'); |
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37 $this->optional_attributes = array('max', 'step'); |
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38 } else { |
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39 $this->required_attributes = array('start', 'ifexp', 'var', 'step'); |
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40 $this->optional_attributes = array(); |
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41 } |
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42 // check and get attributes |
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43 $_attr = $this->getAttributes($compiler, $args); |
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44 |
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45 $output = "<?php "; |
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46 if ($parameter == 1) { |
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47 foreach ($_attr['start'] as $_statement) { |
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48 if (is_array($_statement['var'])) { |
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49 $var = $_statement['var']['var']; |
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50 $index = $_statement['var']['smarty_internal_index']; |
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51 } else { |
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52 $var = $_statement['var']; |
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53 $index = ''; |
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54 } |
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55 $output .= " \$_smarty_tpl->tpl_vars[$var] = new Smarty_Variable;"; |
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56 $output .= " \$_smarty_tpl->tpl_vars[$var]->value{$index} = $_statement[value];\n"; |
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57 } |
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58 if (is_array($_attr['var'])) { |
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59 $var = $_attr['var']['var']; |
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60 $index = $_attr['var']['smarty_internal_index']; |
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61 } else { |
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62 $var = $_attr['var']; |
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63 $index = ''; |
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64 } |
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65 $output .= " if ($_attr[ifexp]) { for (\$_foo=true;$_attr[ifexp]; \$_smarty_tpl->tpl_vars[$var]->value{$index}$_attr[step]) {\n"; |
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66 } else { |
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67 $_statement = $_attr['start']; |
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68 if (is_array($_statement['var'])) { |
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69 $var = $_statement['var']['var']; |
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70 $index = $_statement['var']['smarty_internal_index']; |
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71 } else { |
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72 $var = $_statement['var']; |
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73 $index = ''; |
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74 } |
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75 $output .= "\$_smarty_tpl->tpl_vars[$var] = new Smarty_Variable;"; |
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76 if (isset($_attr['step'])) { |
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77 $output .= "\$_smarty_tpl->tpl_vars[$var]->step = $_attr[step];"; |
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78 } else { |
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79 $output .= "\$_smarty_tpl->tpl_vars[$var]->step = 1;"; |
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80 } |
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81 if (isset($_attr['max'])) { |
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82 $output .= "\$_smarty_tpl->tpl_vars[$var]->total = (int) min(ceil((\$_smarty_tpl->tpl_vars[$var]->step > 0 ? $_attr[to]+1 - ($_statement[value]) : $_statement[value]-($_attr[to])+1)/abs(\$_smarty_tpl->tpl_vars[$var]->step)),$_attr[max]);\n"; |
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83 } else { |
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84 $output .= "\$_smarty_tpl->tpl_vars[$var]->total = (int) ceil((\$_smarty_tpl->tpl_vars[$var]->step > 0 ? $_attr[to]+1 - ($_statement[value]) : $_statement[value]-($_attr[to])+1)/abs(\$_smarty_tpl->tpl_vars[$var]->step));\n"; |
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85 } |
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86 $output .= "if (\$_smarty_tpl->tpl_vars[$var]->total > 0) {\n"; |
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87 $output .= "for (\$_smarty_tpl->tpl_vars[$var]->value{$index} = $_statement[value], \$_smarty_tpl->tpl_vars[$var]->iteration = 1;\$_smarty_tpl->tpl_vars[$var]->iteration <= \$_smarty_tpl->tpl_vars[$var]->total;\$_smarty_tpl->tpl_vars[$var]->value{$index} += \$_smarty_tpl->tpl_vars[$var]->step, \$_smarty_tpl->tpl_vars[$var]->iteration++) {\n"; |
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88 $output .= "\$_smarty_tpl->tpl_vars[$var]->first = \$_smarty_tpl->tpl_vars[$var]->iteration == 1;"; |
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89 $output .= "\$_smarty_tpl->tpl_vars[$var]->last = \$_smarty_tpl->tpl_vars[$var]->iteration == \$_smarty_tpl->tpl_vars[$var]->total;"; |
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90 } |
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91 $output .= "?>"; |
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92 |
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93 $this->openTag($compiler, 'for', array('for', $compiler->nocache)); |
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94 // maybe nocache because of nocache variables |
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95 $compiler->nocache = $compiler->nocache | $compiler->tag_nocache; |
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96 // return compiled code |
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97 return $output; |
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98 } |
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99 } |
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100 |
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101 /** |
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102 * Smarty Internal Plugin Compile Forelse Class |
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103 * |
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104 * @package Smarty |
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105 * @subpackage Compiler |
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106 */ |
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107 class Smarty_Internal_Compile_Forelse extends Smarty_Internal_CompileBase { |
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108 /** |
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109 * Compiles code for the {forelse} tag |
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110 * |
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111 * @param array $args array with attributes from parser |
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112 * @param object $compiler compiler object |
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113 * @param array $parameter array with compilation parameter |
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114 * |
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115 * @return string compiled code |
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116 */ |
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117 public function compile($args, $compiler, $parameter) { |
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118 // check and get attributes |
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119 $_attr = $this->getAttributes($compiler, $args); |
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120 |
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121 list($openTag, $nocache) = $this->closeTag($compiler, array('for')); |
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122 $this->openTag($compiler, 'forelse', array('forelse', $nocache)); |
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123 |
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124 return "<?php }} else { ?>"; |
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125 } |
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126 } |
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127 |
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128 /** |
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129 * Smarty Internal Plugin Compile Forclose Class |
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130 * |
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131 * @package Smarty |
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132 * @subpackage Compiler |
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133 */ |
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134 class Smarty_Internal_Compile_Forclose extends Smarty_Internal_CompileBase { |
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135 /** |
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136 * Compiles code for the {/for} tag |
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137 * |
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138 * @param array $args array with attributes from parser |
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139 * @param object $compiler compiler object |
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140 * @param array $parameter array with compilation parameter |
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141 * |
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142 * @return string compiled code |
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143 */ |
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144 public function compile($args, $compiler, $parameter) { |
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145 // check and get attributes |
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146 $_attr = $this->getAttributes($compiler, $args); |
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147 // must endblock be nocache? |
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148 if ($compiler->nocache) { |
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149 $compiler->tag_nocache = true; |
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150 } |
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151 |
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152 list($openTag, $compiler->nocache) = $this->closeTag($compiler, array('for', 'forelse')); |
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153 |
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154 if ($openTag == 'forelse') { |
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155 return "<?php } ?>"; |
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156 } else { |
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157 return "<?php }} ?>"; |
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158 } |
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159 } |
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160 } |
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