smarty_internal_compile_foreach.php (11867B)
1 <?php 2 /** 3 * Smarty Internal Plugin Compile Foreach 4 * Compiles the {foreach} {foreachelse} {/foreach} tags 5 * 6 * @package Smarty 7 * @subpackage Compiler 8 * @author Uwe Tews 9 */ 10 11 /** 12 * Smarty Internal Plugin Compile Foreach Class 13 * 14 * @package Smarty 15 * @subpackage Compiler 16 */ 17 class Smarty_Internal_Compile_Foreach 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('from', 'item'); 26 /** 27 * Attribute definition: Overwrites base class. 28 * 29 * @var array 30 * @see Smarty_Internal_CompileBase 31 */ 32 public $optional_attributes = array('name', 'key'); 33 /** 34 * Attribute definition: Overwrites base class. 35 * 36 * @var array 37 * @see Smarty_Internal_CompileBase 38 */ 39 public $shorttag_order = array('from', 'item', 'key', 'name'); 40 41 /** 42 * Compiles code for the {foreach} tag 43 * 44 * @param array $args array with attributes from parser 45 * @param object $compiler compiler object 46 * @param array $parameter array with compilation parameter 47 * 48 * @return string compiled code 49 */ 50 public function compile($args, $compiler, $parameter) 51 { 52 // check and get attributes 53 $_attr = $this->getAttributes($compiler, $args); 54 55 $from = $_attr['from']; 56 $item = $_attr['item']; 57 if (!strncmp("\$_smarty_tpl->tpl_vars[$item]", $from, strlen($item) + 24)) { 58 $compiler->trigger_template_error("item variable {$item} may not be the same variable as at 'from'", $compiler->lex->taglineno); 59 } 60 61 if (isset($_attr['key'])) { 62 $key = $_attr['key']; 63 } else { 64 $key = null; 65 } 66 67 $this->openTag($compiler, 'foreach', array('foreach', $compiler->nocache, $item, $key, true)); 68 // maybe nocache because of nocache variables 69 $compiler->nocache = $compiler->nocache | $compiler->tag_nocache; 70 71 if (isset($_attr['name'])) { 72 $name = trim($_attr['name'], '\'"'); 73 $has_name = true; 74 $SmartyVarName = "\$smarty.foreach.{$name}."; 75 } else { 76 $has_name = false; 77 } 78 $ItemVarName = '$' . trim($item, '\'"') . '@'; 79 // evaluates which Smarty variables and properties have to be computed 80 81 if ($has_name) { 82 $useSmartyForeach = $usesSmartyFirst = strpos($compiler->lex->data, $SmartyVarName . 'first') !== false; 83 $useSmartyForeach = ($usesSmartyLast = strpos($compiler->lex->data, $SmartyVarName . 'last') !== false) || $useSmartyForeach; 84 $useSmartyForeach = ($usesSmartyIndex = strpos($compiler->lex->data, $SmartyVarName . 'index') !== false) || $useSmartyForeach; 85 $useSmartyForeach = ($usesSmartyIteration = (!$usesSmartyIndex && ($usesSmartyFirst || $usesSmartyLast)) || strpos($compiler->lex->data, $SmartyVarName . 'iteration') !== false) || $useSmartyForeach; 86 $useSmartyForeach = ($usesSmartyShow = strpos($compiler->lex->data, $SmartyVarName . 'show') !== false) || $useSmartyForeach; 87 $useSmartyForeach = ($usesSmartyTotal = $usesSmartyLast ||strpos($compiler->lex->data, $SmartyVarName . 'total') !== false) || $useSmartyForeach; 88 } else { 89 $usesSmartyFirst = false; 90 $usesSmartyLast = false; 91 $usesSmartyTotal = false; 92 $usesSmartyShow = false; 93 $useSmartyForeach = false; 94 } 95 96 $usesPropKey = strpos($compiler->lex->data, $ItemVarName . 'key') !== false; 97 $usesPropFirst = strpos($compiler->lex->data, $ItemVarName . 'first') !== false; 98 $usesPropLast = strpos($compiler->lex->data, $ItemVarName . 'last') !== false; 99 $usesPropIndex = strpos($compiler->lex->data, $ItemVarName . 'index') !== false; 100 $usesPropIteration = (!$usesPropIndex && ($usesPropFirst || $usesPropLast)) || strpos($compiler->lex->data, $ItemVarName . 'iteration') !== false; 101 $usesPropShow = strpos($compiler->lex->data, $ItemVarName . 'show') !== false; 102 $usesPropTotal = $usesPropLast || strpos($compiler->lex->data, $ItemVarName . 'total') !== false; 103 104 $keyTerm = ''; 105 if ($usesPropKey) { 106 $keyTerm = "\$_smarty_tpl->tpl_vars[$item]->key => "; 107 } elseif ($key != null) { 108 $keyTerm = "\$_smarty_tpl->tpl_vars[$key]->value => "; 109 } 110 // generate output code 111 $output = "<?php\n"; 112 $output .= "\$_from = $from;\n"; 113 $output .= "if (!is_array(\$_from) && !is_object(\$_from)) {\n"; 114 $output .= "settype(\$_from, 'array');\n"; 115 $output .= "}\n"; 116 $output .= "\$_smarty_tpl->tpl_vars[$item] = new Smarty_Variable;\n"; 117 $output .= "\$_smarty_tpl->tpl_vars[$item]->_loop = false;\n"; 118 if ($key != null) { 119 $output .= "\$_smarty_tpl->tpl_vars[$key] = new Smarty_Variable;\n"; 120 } 121 if ($usesPropTotal) { 122 $output .= "\$_smarty_tpl->tpl_vars[$item]->total= \$_smarty_tpl->_count(\$_from);\n"; 123 } 124 if ($usesPropIteration) { 125 $output .= "\$_smarty_tpl->tpl_vars[$item]->iteration=0;\n"; 126 } 127 if ($usesPropIndex) { 128 $output .= "\$_smarty_tpl->tpl_vars[$item]->index=-1;\n"; 129 } 130 if ($usesPropShow) { 131 if ($usesPropTotal) { 132 $output .= "\$_smarty_tpl->tpl_vars[$item]->show = (\$_smarty_tpl->tpl_vars[$item]->total > 0);\n"; 133 } else { 134 $output .= "\$_smarty_tpl->tpl_vars[$item]->show = (\$_smarty_tpl->_count(\$_from) > 0);\n"; 135 } 136 } 137 if ($has_name) { 138 $prop = array(); 139 if ($usesSmartyTotal) { 140 $prop['total'] = "'total' => "; 141 $prop['total'] .= $usesSmartyShow ? '$total = ' : ''; 142 $prop['total'] .= '$_smarty_tpl->_count($_from)'; 143 } 144 if ($usesSmartyIteration) { 145 $prop['iteration'] = "'iteration' => 0"; 146 } 147 if ($usesSmartyIndex) { 148 $prop['index'] = "'index' => -1"; 149 } 150 if ($usesSmartyShow) { 151 $prop['show'] = "'show' => "; 152 if ($usesSmartyTotal) { 153 $prop['show'] .= "(\$total > 0)"; 154 } else { 155 $prop['show'] .= "(\$_smarty_tpl->_count(\$_from) > 0)"; 156 } 157 } 158 if ($useSmartyForeach) { 159 $_vars = 'array(' . join(', ', $prop) . ')'; 160 $foreachVar = "'__foreach_{$name}'"; 161 $output .= "\$_smarty_tpl->tpl_vars[$foreachVar] = new Smarty_Variable({$_vars});\n"; 162 } 163 } 164 $output .= "foreach (\$_from as {$keyTerm}\$_smarty_tpl->tpl_vars[$item]->value) {\n"; 165 $output .= "\$_smarty_tpl->tpl_vars[$item]->_loop = true;\n"; 166 if ($key != null && $usesPropKey) { 167 $output .= "\$_smarty_tpl->tpl_vars[$key]->value = \$_smarty_tpl->tpl_vars[$item]->key;\n"; 168 } 169 if ($usesPropIteration) { 170 $output .= "\$_smarty_tpl->tpl_vars[$item]->iteration++;\n"; 171 } 172 if ($usesPropIndex) { 173 $output .= "\$_smarty_tpl->tpl_vars[$item]->index++;\n"; 174 } 175 if ($usesPropFirst) { 176 if ($usesPropIndex) { 177 $output .= "\$_smarty_tpl->tpl_vars[$item]->first = \$_smarty_tpl->tpl_vars[$item]->index == 0;\n"; 178 } else { 179 $output .= "\$_smarty_tpl->tpl_vars[$item]->first = \$_smarty_tpl->tpl_vars[$item]->iteration == 1;\n"; 180 } 181 } 182 if ($usesPropLast) { 183 if ($usesPropIndex) { 184 $output .= "\$_smarty_tpl->tpl_vars[$item]->last = \$_smarty_tpl->tpl_vars[$item]->index + 1 == \$_smarty_tpl->tpl_vars[$item]->total;\n"; 185 } else { 186 $output .= "\$_smarty_tpl->tpl_vars[$item]->last = \$_smarty_tpl->tpl_vars[$item]->iteration == \$_smarty_tpl->tpl_vars[$item]->total;\n"; 187 } 188 } 189 if ($has_name) { 190 if ($usesSmartyIteration) { 191 $output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['iteration']++;\n"; 192 } 193 if ($usesSmartyIndex) { 194 $output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['index']++;\n"; 195 } 196 if ($usesSmartyFirst) { 197 if ($usesSmartyIndex) { 198 $output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['first'] = \$_smarty_tpl->tpl_vars[$foreachVar]->value['index'] == 0;\n"; 199 } else { 200 $output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['first'] = \$_smarty_tpl->tpl_vars[$foreachVar]->value['iteration'] == 1;\n"; 201 } 202 } 203 if ($usesSmartyLast) { 204 if ($usesSmartyIndex) { 205 $output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['last'] = \$_smarty_tpl->tpl_vars[$foreachVar]->value['index'] + 1 == \$_smarty_tpl->tpl_vars[$foreachVar]->value['total'];\n"; 206 } else { 207 $output .= "\$_smarty_tpl->tpl_vars[$foreachVar]->value['last'] = \$_smarty_tpl->tpl_vars[$foreachVar]->value['iteration'] == \$_smarty_tpl->tpl_vars[$foreachVar]->value['total'];\n"; 208 } 209 } 210 } 211 $itemName = trim($item,"'\""); 212 $output .= "\$foreach_{$itemName}_Sav = \$_smarty_tpl->tpl_vars[$item];\n"; 213 $output .= "?>"; 214 215 return $output; 216 } 217 } 218 219 /** 220 * Smarty Internal Plugin Compile Foreachelse Class 221 * 222 * @package Smarty 223 * @subpackage Compiler 224 */ 225 class Smarty_Internal_Compile_Foreachelse extends Smarty_Internal_CompileBase 226 { 227 /** 228 * Compiles code for the {foreachelse} tag 229 * 230 * @param array $args array with attributes from parser 231 * @param object $compiler compiler object 232 * @param array $parameter array with compilation parameter 233 * 234 * @return string compiled code 235 */ 236 public function compile($args, $compiler, $parameter) 237 { 238 // check and get attributes 239 $_attr = $this->getAttributes($compiler, $args); 240 241 list($openTag, $nocache, $item, $key, $foo) = $this->closeTag($compiler, array('foreach')); 242 $this->openTag($compiler, 'foreachelse', array('foreachelse', $nocache, $item, $key, false)); 243 $itemName = trim($item,"'\""); 244 $output = "<?php\n"; 245 $output .= "\$_smarty_tpl->tpl_vars[$item] = \$foreach_{$itemName}_Sav;\n"; 246 $output .= "}\n"; 247 $output .= "if (!\$_smarty_tpl->tpl_vars[$item]->_loop) {\n?>"; 248 return $output; 249 } 250 } 251 252 /** 253 * Smarty Internal Plugin Compile Foreachclose Class 254 * 255 * @package Smarty 256 * @subpackage Compiler 257 */ 258 class Smarty_Internal_Compile_Foreachclose extends Smarty_Internal_CompileBase 259 { 260 /** 261 * Compiles code for the {/foreach} tag 262 * 263 * @param array $args array with attributes from parser 264 * @param object $compiler compiler object 265 * @param array $parameter array with compilation parameter 266 * 267 * @return string compiled code 268 */ 269 public function compile($args, $compiler, $parameter) 270 { 271 // check and get attributes 272 $_attr = $this->getAttributes($compiler, $args); 273 // must endblock be nocache? 274 if ($compiler->nocache) { 275 $compiler->tag_nocache = true; 276 } 277 278 list($openTag, $compiler->nocache, $item, $key, $restore) = $this->closeTag($compiler, array('foreach', 'foreachelse')); 279 $itemName = trim($item,"'\""); 280 $output = "<?php\n"; 281 if ($restore) { 282 $output .= "\$_smarty_tpl->tpl_vars[$item] = \$foreach_{$itemName}_Sav;\n"; 283 } 284 $output .= "}\n?>"; 285 286 return $output; 287 } 288 }