Complex classes like Generator 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 Generator, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 5 | class Generator |
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| 6 | { |
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| 7 | /** Single quote for string value **/ |
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| 8 | const QUOTE_SINGLE = "'"; |
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| 9 | |||
| 10 | /** Double quote for string value **/ |
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| 11 | const QUOTE_DOUBLE = '"'; |
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| 12 | |||
| 13 | /** @var string Generated code */ |
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| 14 | public $code = ''; |
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| 15 | |||
| 16 | /** @var integer Level of code line tabbing for new lines */ |
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| 17 | public $tabs = 0; |
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| 18 | |||
| 19 | /** @var string Current class name */ |
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| 20 | public $class; |
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| 21 | |||
| 22 | /** |
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| 23 | * Add simple text to current code position |
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| 24 | * @param string $text Text to add |
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| 25 | * @return self |
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| 26 | */ |
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| 27 | public function text($text = '') |
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| 33 | |||
| 34 | /** |
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| 35 | * Add current tabbing level to current line. |
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| 36 | * |
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| 37 | * @param string $endText Text to add after tabs |
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| 38 | * @param integer $tabs Amount of tabs to add |
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| 39 | * @param string $startText Text to add before tabs |
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| 40 | * @return Generator Chaining |
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| 41 | */ |
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| 42 | public function tabs($endText = '', $tabs = null, $startText = '') |
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| 52 | |||
| 53 | /** |
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| 54 | * Add new line to code. |
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| 55 | * |
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| 56 | * @param string $text Code to add to new line |
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| 57 | * @param integer $tabs Tabs count |
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| 58 | * @return self |
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| 59 | */ |
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| 60 | public function newline($text = '', $tabs = null) |
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| 69 | |||
| 70 | /** |
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| 71 | * Add single line comment to code |
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| 72 | * @param string $text Comment text |
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| 73 | * @return self Chaining |
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| 74 | */ |
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| 75 | public function comment($text = '') |
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| 79 | |||
| 80 | /** |
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| 81 | * Add multi-line comment. If array with one line is passed |
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| 82 | * we create special syntax comment in one line, usually |
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| 83 | * used for class variable definition in more compact form. |
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| 84 | * |
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| 85 | * @param array $lines Array of comments lines |
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| 86 | * @return self Chaining |
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| 87 | */ |
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| 88 | public function multicomment(array $lines = array()) |
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| 111 | |||
| 112 | /** |
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| 113 | * Add string value definition |
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| 114 | * @param string $value String value to add |
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| 115 | * @param string $tabs Tabs count |
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| 116 | * @param string $quote Type of quote |
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| 117 | * @return self |
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| 118 | */ |
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| 119 | public function stringvalue($value, $tabs = null, $quote = self::QUOTE_SINGLE) |
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| 123 | |||
| 124 | /** |
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| 125 | * Add array values definition |
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| 126 | * @param array $items Array key-value pairs collection |
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| 127 | * @return self Chaining |
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| 128 | */ |
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| 129 | public function arrayvalue(array $items = array()) |
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| 152 | |||
| 153 | /** |
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| 154 | * Add variable definition with array merging. |
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| 155 | * |
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| 156 | * @param string $name Variable name |
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| 157 | * @param array $value Array of key-value items for merging it to other array |
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| 158 | * @param string $arrayName Name of array to merge to, if no is specified - $name is used |
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| 159 | * @return self Chaining |
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| 160 | */ |
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| 161 | public function defarraymerge($name, array $value, $arrayName = null) |
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| 170 | |||
| 171 | /** |
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| 172 | * Add variable definition. |
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| 173 | * |
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| 174 | * @param string $name Variable name |
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| 175 | * @param string $value Variable default value |
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| 176 | * @param string $after String to insert after variable definition |
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| 177 | * @param string $end Closing part of variable definition |
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| 178 | * @param string $quote Type of quote |
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| 179 | * @return Generator Chaining |
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| 180 | */ |
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| 181 | public function defVar($name, $value = null, $after = ' = ', $end = ';', $quote = self::QUOTE_SINGLE) |
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| 208 | |||
| 209 | /** |
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| 210 | * Add class definition. |
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| 211 | * |
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| 212 | * @param string $name Class name |
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| 213 | * @param string $extends Parent class name |
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| 214 | * @param array $implements Interfaces names collection |
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| 215 | * @return self Chaining |
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| 216 | */ |
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| 217 | public function defClass($name, $extends = null, array $implements = array()) |
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| 247 | |||
| 248 | /** |
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| 249 | * Close current class context. |
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| 250 | * |
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| 251 | * @return self Chaining |
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| 252 | */ |
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| 253 | public function endclass() |
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| 264 | |||
| 265 | /** |
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| 266 | * Add class variable definition. |
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| 267 | * |
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| 268 | * @param string $name Variable name |
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| 269 | * @param string $visibility Variable accessibility level |
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| 270 | * @param string|null $comment Variable description |
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| 271 | * @param string $value Variable default value |
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| 272 | * @return self Chaining |
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| 273 | */ |
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| 274 | public function defClassVar($name, $visibility = 'public', $comment = null, $value = null) |
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| 282 | |||
| 283 | /** |
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| 284 | * Add class constant definition. |
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| 285 | * |
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| 286 | * @param string $name Constant name |
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| 287 | * @param string $value Variable default value |
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| 288 | * @param string|null $comment Variable description |
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| 289 | * @return self Chaining |
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| 290 | */ |
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| 291 | public function defClassConst($name, $value, $comment = null) |
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| 295 | |||
| 296 | /** |
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| 297 | * Write file to disk |
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| 298 | * @param string $name Path to file |
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| 299 | * @param string $format Output file format |
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| 300 | */ |
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| 301 | public function write($name, $format = 'php') |
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| 311 | |||
| 312 | /** |
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| 313 | * Flush internal data and return it. |
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| 314 | * |
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| 315 | * @return string Current generated code |
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| 316 | */ |
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| 317 | public function flush() |
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| 328 | |||
| 329 | /** |
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| 330 | * Add function definition |
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| 331 | * @param string $name Function name |
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| 332 | * @return self Chaining |
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| 333 | */ |
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| 334 | public function deffunction($name) |
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| 340 | |||
| 341 | /** |
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| 342 | * Close current function context |
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| 343 | * @return\samson\activerecord\Generator |
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| 344 | */ |
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| 345 | public function endfunction() |
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| 349 | |||
| 350 | /** |
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| 351 | * Constructor |
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| 352 | * @param string $namespace Code namespace |
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| 353 | */ |
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| 354 | public function __construct($namespace = null) |
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| 361 | |||
| 362 | /** |
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| 363 | * Add namespace declaration |
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| 364 | * @param string $name Namespace name |
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| 365 | * @return self |
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| 366 | */ |
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| 367 | private function defnamespace($name) |
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| 371 | } |
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| 372 | //[PHPCOMPRESSOR(remove,end)] |
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| 373 |
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: