zordius /
lightncandy
Complex classes like Compiler often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Compiler, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 31 | class Compiler extends Validator |
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| 32 | { |
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| 33 | public static $lastParsed; |
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| 34 | |||
| 35 | /** |
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| 36 | * Compile template into PHP code |
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| 37 | * |
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| 38 | * @param array<string,array|string|integer> $context Current context |
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| 39 | * @param string $template handlebars template |
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| 40 | * |
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| 41 | * @return string|null generated PHP code |
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| 42 | */ |
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| 43 | 749 | public static function compileTemplate(&$context, $template) { |
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| 74 | |||
| 75 | /** |
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| 76 | * Compose LightnCandy render codes for include() |
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| 77 | * |
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| 78 | * @param array<string,array|string|integer> $context Current context |
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| 79 | * @param string $code generated PHP code |
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| 80 | * |
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| 81 | * @return string Composed PHP code |
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| 82 | */ |
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| 83 | 672 | public static function composePHPRender($context, $code) { |
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| 139 | |||
| 140 | /** |
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| 141 | * Get function name for standalone or none standalone template. |
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| 142 | * |
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| 143 | * @param array<string,array|string|integer> $context Current context of compiler progress. |
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| 144 | * @param string $name base function name |
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| 145 | * @param string $tag original handlabars tag for debug |
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| 146 | * |
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| 147 | * @return string compiled Function name |
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| 148 | * |
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| 149 | * @expect 'LR::test(' when input array('flags' => array('standalone' => 0, 'debug' => 0), 'runtime' => 'Runtime', 'runtimealias' => 'LR'), 'test', '' |
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| 150 | * @expect 'LL::test2(' when input array('flags' => array('standalone' => 0, 'debug' => 0), 'runtime' => 'Runtime', 'runtimealias' => 'LL'), 'test2', '' |
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| 151 | * @expect "lala_abctest3(" when input array('flags' => array('standalone' => 1, 'debug' => 0), 'runtime' => 'Runtime', 'runtimealias' => 0, 'funcprefix' => 'lala_abc'), 'test3', '' |
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| 152 | * @expect 'RR::debug(\'abc\', \'test\', ' when input array('flags' => array('standalone' => 0, 'debug' => 1), 'runtime' => 'Runtime', 'runtimealias' => 'RR', 'funcprefix' => 'haha456'), 'test', 'abc' |
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| 153 | */ |
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| 154 | 607 | protected static function getFuncName(&$context, $name, $tag) { |
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| 167 | |||
| 168 | /** |
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| 169 | * Get string presentation of variables |
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| 170 | * |
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| 171 | * @param array<string,array|string|integer> $context current compile context |
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| 172 | * @param array<array> $vn variable name array. |
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| 173 | * @param array<string>|null $blockParams block param list |
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| 174 | * |
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| 175 | * @return array<string|array> variable names |
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| 176 | * |
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| 177 | * @expect array('array(array($in),array())', array('this')) when input array('flags'=>array('spvar'=>true)), array(null) |
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| 178 | * @expect array('array(array($in,$in),array())', array('this', 'this')) when input array('flags'=>array('spvar'=>true)), array(null, null) |
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| 179 | * @expect array('array(array(),array(\'a\'=>$in))', array('this')) when input array('flags'=>array('spvar'=>true)), array('a' => null) |
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| 180 | */ |
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| 181 | 272 | protected static function getVariableNames(&$context, $vn, $blockParams = null) { |
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| 196 | |||
| 197 | /** |
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| 198 | * Get string presentation of a sub expression |
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| 199 | * |
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| 200 | * @param array<string,array|string|integer> $context current compile context |
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| 201 | * @param array<boolean|integer|string|array> $vars parsed arguments list |
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| 202 | * |
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| 203 | * @return array<string> code representing passed expression |
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| 204 | */ |
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| 205 | 42 | public static function compileSubExpression(&$context, $vars) { |
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| 214 | |||
| 215 | /** |
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| 216 | * Get string presentation of a subexpression or a variable |
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| 217 | * |
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| 218 | * @param array<array|string|integer> $context current compile context |
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| 219 | * @param array<array|string|integer> $var variable parsed path |
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| 220 | * |
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| 221 | * @return array<string> variable names |
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| 222 | */ |
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| 223 | 383 | protected static function getVariableNameOrSubExpression(&$context, $var) { |
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| 226 | |||
| 227 | /** |
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| 228 | * Get string presentation of a variable |
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| 229 | * |
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| 230 | * @param array<array|string|integer> $var variable parsed path |
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| 231 | * @param array<array|string|integer> $context current compile context |
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| 232 | * @param array<string>|null $lookup extra lookup string as valid PHP variable name |
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| 233 | * |
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| 234 | * @return array<string> variable names |
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| 235 | * |
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| 236 | * @expect array('$in', 'this') when input array('flags'=>array('spvar'=>true,'debug'=>0)), array(null) |
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| 237 | * @expect array('((is_array($in) && isset($in[\'true\'])) ? $in[\'true\'] : null)', '[true]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0,'lambda'=>0,'jslen'=>0)), array('true') |
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| 238 | * @expect array('((is_array($in) && isset($in[\'false\'])) ? $in[\'false\'] : null)', '[false]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0,'lambda'=>0,'jslen'=>0)), array('false') |
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| 239 | * @expect array('true', 'true') when input array('flags'=>array('spvar'=>true,'debug'=>0)), array(-1, 'true') |
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| 240 | * @expect array('false', 'false') when input array('flags'=>array('spvar'=>true,'debug'=>0)), array(-1, 'false') |
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| 241 | * @expect array('((is_array($in) && isset($in[\'2\'])) ? $in[\'2\'] : null)', '[2]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0,'lambda'=>0,'jslen'=>0)), array('2') |
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| 242 | * @expect array('2', '2') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0)), array(-1, '2') |
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| 243 | * @expect array('((is_array($in) && isset($in[\'@index\'])) ? $in[\'@index\'] : null)', '[@index]') when input array('flags'=>array('spvar'=>false,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0,'lambda'=>0,'jslen'=>0)), array('@index') |
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| 244 | * @expect array("(isset(\$cx['sp_vars']['index']) ? \$cx['sp_vars']['index'] : null)", '@[index]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0,'lambda'=>0,'jslen'=>0)), array('@index') |
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| 245 | * @expect array("(isset(\$cx['sp_vars']['key']) ? \$cx['sp_vars']['key'] : null)", '@[key]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0,'lambda'=>0,'jslen'=>0)), array('@key') |
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| 246 | * @expect array("(isset(\$cx['sp_vars']['first']) ? \$cx['sp_vars']['first'] : null)", '@[first]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0,'lambda'=>0,'jslen'=>0)), array('@first') |
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| 247 | * @expect array("(isset(\$cx['sp_vars']['last']) ? \$cx['sp_vars']['last'] : null)", '@[last]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0,'lambda'=>0,'jslen'=>0)), array('@last') |
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| 248 | * @expect array('((is_array($in) && isset($in[\'"a"\'])) ? $in[\'"a"\'] : null)', '["a"]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0,'lambda'=>0,'jslen'=>0)), array('"a"') |
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| 249 | * @expect array('"a"', '"a"') when input array('flags'=>array('spvar'=>true,'debug'=>0)), array(-1, '"a"') |
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| 250 | * @expect array('((is_array($in) && isset($in[\'a\'])) ? $in[\'a\'] : null)', '[a]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0,'lambda'=>0,'jslen'=>0)), array('a') |
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| 251 | * @expect array('((isset($cx[\'scopes\'][count($cx[\'scopes\'])-1]) && is_array($cx[\'scopes\'][count($cx[\'scopes\'])-1]) && isset($cx[\'scopes\'][count($cx[\'scopes\'])-1][\'a\'])) ? $cx[\'scopes\'][count($cx[\'scopes\'])-1][\'a\'] : null)', '../[a]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0,'lambda'=>0,'jslen'=>0)), array(1,'a') |
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| 252 | * @expect array('((isset($cx[\'scopes\'][count($cx[\'scopes\'])-3]) && is_array($cx[\'scopes\'][count($cx[\'scopes\'])-3]) && isset($cx[\'scopes\'][count($cx[\'scopes\'])-3][\'a\'])) ? $cx[\'scopes\'][count($cx[\'scopes\'])-3][\'a\'] : null)', '../../../[a]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0,'lambda'=>0,'jslen'=>0)), array(3,'a') |
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| 253 | * @expect array('((is_array($in) && isset($in[\'id\'])) ? $in[\'id\'] : null)', 'this.[id]') when input array('flags'=>array('spvar'=>true,'debug'=>0,'prop'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0,'lambda'=>0,'jslen'=>0)), array(null, 'id') |
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| 254 | * @expect array('LR::v($cx, $in, isset($in) ? $in : null, array(\'id\'))', 'this.[id]') when input array('flags'=>array('prop'=>true,'spvar'=>true,'debug'=>0,'method'=>0,'mustlok'=>0,'mustlam'=>0,'lambda'=>0,'jslen'=>0,'standalone'=>0), 'runtime' => 'Runtime', 'runtimealias' => 'LR'), array(null, 'id') |
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| 255 | */ |
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| 256 | 600 | protected static function getVariableName(&$context, $var, $lookup = null, $args = null) { |
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| 325 | |||
| 326 | /** |
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| 327 | * Return compiled PHP code for a handlebars token |
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| 328 | * |
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| 329 | * @param array<string,array|string|integer> $context current compile context |
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| 330 | * @param array<string,array|boolean> $info parsed information |
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| 331 | * |
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| 332 | * @return string Return compiled code segment for the token |
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| 333 | */ |
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| 334 | 632 | protected static function compileToken(&$context, $info) { |
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| 361 | |||
| 362 | /** |
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| 363 | * handle partial |
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| 364 | * |
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| 365 | * @param array<string,array|string|integer> $context current compile context |
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| 366 | * @param array<boolean|integer|string|array> $vars parsed arguments list |
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| 367 | * |
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| 368 | * @return string Return compiled code segment for the partial |
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| 369 | */ |
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| 370 | 92 | public static function partial(&$context, $vars) { |
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| 390 | |||
| 391 | /** |
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| 392 | * handle inline partial |
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| 393 | * |
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| 394 | * @param array<string,array|string|integer> $context current compile context |
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| 395 | * @param array<boolean|integer|string|array> $vars parsed arguments list |
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| 396 | * |
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| 397 | * @return string Return compiled code segment for the partial |
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| 398 | */ |
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| 399 | 10 | public static function inline(&$context, $vars) { |
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| 410 | |||
| 411 | /** |
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| 412 | * Return compiled PHP code for a handlebars inverted section begin token |
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| 413 | * |
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| 414 | * @param array<string,array|string|integer> $context current compile context |
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| 415 | * @param array<boolean|integer|string|array> $vars parsed arguments list |
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| 416 | * |
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| 417 | * @return string Return compiled code segment for the token |
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| 418 | */ |
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| 419 | 38 | protected static function invertedSection(&$context, $vars) { |
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| 423 | |||
| 424 | /** |
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| 425 | * Return compiled PHP code for a handlebars block custom helper begin token |
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| 426 | * |
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| 427 | * @param array<string,array|string|integer> $context current compile context |
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| 428 | * @param array<boolean|integer|string|array> $vars parsed arguments list |
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| 429 | * @param boolean $inverted the logic will be inverted |
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| 430 | * |
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| 431 | * @return string Return compiled code segment for the token |
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| 432 | */ |
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| 433 | 63 | protected static function blockCustomHelper(&$context, $vars, $inverted = false) { |
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| 442 | |||
| 443 | /** |
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| 444 | * Return compiled PHP code for a handlebars block end token |
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| 445 | * |
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| 446 | * @param array<string,array|string|integer> $context current compile context |
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| 447 | * @param array<boolean|integer|string|array> $vars parsed arguments list |
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| 448 | * @param string|null $matchop should also match to this operator |
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| 449 | * |
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| 450 | * @return string Return compiled code segment for the token |
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| 451 | */ |
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| 452 | 329 | protected static function blockEnd(&$context, &$vars, $matchop = NULL) { |
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| 484 | |||
| 485 | /** |
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| 486 | * Return compiled PHP code for a handlebars block begin token |
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| 487 | * |
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| 488 | * @param array<string,array|string|integer> $context current compile context |
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| 489 | * @param array<boolean|integer|string|array> $vars parsed arguments list |
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| 490 | * |
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| 491 | * @return string Return compiled code segment for the token |
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| 492 | */ |
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| 493 | 245 | protected static function blockBegin(&$context, $vars) { |
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| 513 | |||
| 514 | /** |
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| 515 | * compile {{#foo}} token |
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| 516 | * |
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| 517 | * @param array<string,array|string|integer> $context current compile context |
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| 518 | * @param array<boolean|integer|string|array> $vars parsed arguments list |
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| 519 | * @param boolean $isEach the section is #each |
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| 520 | * |
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| 521 | * @return string|null Return compiled code segment for the token |
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| 522 | */ |
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| 523 | 164 | protected static function section(&$context, $vars, $isEach = false) { |
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| 541 | |||
| 542 | /** |
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| 543 | * compile {{with}} token |
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| 544 | * |
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| 545 | * @param array<string,array|string|integer> $context current compile context |
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| 546 | * @param array<boolean|integer|string|array> $vars parsed arguments list |
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| 547 | * |
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| 548 | * @return string|null Return compiled code segment for the token |
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| 549 | */ |
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| 550 | 29 | protected static function with(&$context, $vars) { |
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| 557 | |||
| 558 | /** |
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| 559 | * Return compiled PHP code for a handlebars custom helper token |
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| 560 | * |
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| 561 | * @param array<string,array|string|integer> $context current compile context |
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| 562 | * @param array<boolean|integer|string|array> $vars parsed arguments list |
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| 563 | * @param boolean $raw is this {{{ token or not |
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| 564 | * @param boolean $nosep true to compile without seperator |
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| 565 | * @param boolean $subExp true when compile for subexpression |
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| 566 | * |
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| 567 | * @return string|null Return compiled code segment for the token when the token is custom helper |
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| 568 | */ |
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| 569 | 468 | protected static function customHelper(&$context, $vars, $raw, $nosep, $subExp = false) { |
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| 587 | |||
| 588 | /** |
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| 589 | * Return compiled PHP code for a handlebars else token |
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| 590 | * |
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| 591 | * @param array<string,array|string|integer> $context current compile context |
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| 592 | * @param array<boolean|integer|string|array> $vars parsed arguments list |
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| 593 | * |
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| 594 | * @return string Return compiled code segment for the token when the token is else |
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| 595 | */ |
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| 596 | 56 | protected static function doElse(&$context, $vars) { |
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| 607 | |||
| 608 | /** |
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| 609 | * Return compiled PHP code for a handlebars log token |
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| 610 | * |
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| 611 | * @param array<string,array|string|integer> $context current compile context |
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| 612 | * @param array<boolean|integer|string|array> $vars parsed arguments list |
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| 613 | * @param boolean $raw is this {{{ token or not |
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| 614 | * |
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| 615 | * @return string Return compiled code segment for the token |
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| 616 | */ |
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| 617 | 2 | protected static function compileLog(&$context, &$vars, $raw) { |
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| 622 | |||
| 623 | /** |
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| 624 | * Return compiled PHP code for a handlebars lookup token |
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| 625 | * |
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| 626 | * @param array<string,array|string|integer> $context current compile context |
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| 627 | * @param array<boolean|integer|string|array> $vars parsed arguments list |
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| 628 | * @param boolean $raw is this {{{ token or not |
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| 629 | * @param boolean $nosep true to compile without seperator |
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| 630 | * |
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| 631 | * @return string Return compiled code segment for the token |
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| 632 | */ |
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| 633 | 3 | protected static function compileLookup(&$context, &$vars, $raw, $nosep = false) { |
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| 644 | |||
| 645 | /** |
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| 646 | * Return compiled PHP code for template output |
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| 647 | * |
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| 648 | * @param array<string,array|string|integer> $context current compile context |
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| 649 | * @param string $variable PHP code for the variable |
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| 650 | * @param string $expression normalized handlebars expression |
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| 651 | * @param boolean $raw is this {{{ token or not |
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| 652 | * @param boolean $nosep true to compile without seperator |
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| 653 | * |
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| 654 | * @return string Return compiled code segment for the token |
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| 655 | */ |
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| 656 | 471 | protected static function compileOutput(&$context, $variable, $expression, $raw, $nosep) { |
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| 664 | |||
| 665 | /** |
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| 666 | * Return compiled PHP code for a handlebars variable token |
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| 667 | * |
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| 668 | * @param array<string,array|string|integer> $context current compile context |
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| 669 | * @param array<boolean|integer|string|array> $vars parsed arguments list |
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| 670 | * @param boolean $raw is this {{{ token or not |
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| 671 | * @param boolean $nosep true to compile without seperator |
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| 672 | * |
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| 673 | * @return string Return compiled code segment for the token |
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| 674 | */ |
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| 675 | 367 | protected static function compileVariable(&$context, &$vars, $raw, $nosep) { |
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| 684 | |||
| 685 | /** |
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| 686 | * Add usage count to context |
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| 687 | * |
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| 688 | * @param array<string,array|string|integer> $context current context |
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| 689 | * @param string $category category name, can be one of: 'var', 'helpers', 'runtime' |
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| 690 | * @param string $name used name |
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| 691 | * @param integer $count increment |
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| 692 | * |
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| 693 | * @expect 1 when input array('usedCount' => array('test' => array())), 'test', 'testname' |
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| 694 | * @expect 3 when input array('usedCount' => array('test' => array('testname' => 2))), 'test', 'testname' |
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| 695 | * @expect 5 when input array('usedCount' => array('test' => array('testname' => 2))), 'test', 'testname', 3 |
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| 696 | */ |
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| 697 | 607 | protected static function addUsageCount(&$context, $category, $name, $count = 1) { |
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| 703 | } |
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| 704 | |||
| 705 |
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This check compares the return type specified in the
@returnannotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch.