Complex classes like code_review 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 code_review, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 7 | class code_review { |
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| 8 | |||
| 9 | /** |
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| 10 | * Config array to allow mocking of configuration. |
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| 11 | * |
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| 12 | * @var array |
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| 13 | */ |
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| 14 | protected static $config = array(); |
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| 15 | |||
| 16 | /** |
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| 17 | * @codeCoverageIgnore |
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| 18 | */ |
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| 19 | public static function boot() { |
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| 36 | |||
| 37 | /** |
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| 38 | * @return array |
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| 39 | */ |
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| 40 | 12 | public static function getConfig() { |
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| 43 | |||
| 44 | /** |
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| 45 | * @param array $options |
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| 46 | * |
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| 47 | * @todo Move into \CodeReview\Config instead |
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| 48 | */ |
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| 49 | 21 | public static function initConfig(array $options) { |
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| 65 | |||
| 66 | /** |
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| 67 | * @codeCoverageIgnore |
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| 68 | */ |
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| 69 | public static function init() { |
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| 81 | |||
| 82 | /** |
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| 83 | * @codeCoverageIgnore |
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| 84 | */ |
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| 85 | public static function pagesetup() { |
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| 96 | |||
| 97 | /** |
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| 98 | * @codeCoverageIgnore |
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| 99 | */ |
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| 100 | public static function menu_register() { |
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| 124 | |||
| 125 | /** |
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| 126 | * @param string $subPath |
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| 127 | * @return RegexIterator |
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| 128 | */ |
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| 129 | 12 | public static function getPhpIterator($subPath = '/') { |
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| 135 | |||
| 136 | 1 | public static function getVersionsList() { |
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| 157 | |||
| 158 | /** |
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| 159 | * @val string |
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| 160 | */ |
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| 161 | const DEPRECATED_TAG_PREFIX = 'deprecated'; |
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| 162 | |||
| 163 | |||
| 164 | /** |
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| 165 | * @val string |
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| 166 | */ |
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| 167 | const PRIVATE_TAG_PREFIX = 'private'; |
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| 168 | |||
| 169 | /** |
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| 170 | * Filtering predicate |
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| 171 | * |
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| 172 | * @param $e |
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| 173 | * @return bool |
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| 174 | */ |
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| 175 | 10 | public static function filterTagsByDeprecatedPrefix($e) { |
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| 178 | |||
| 179 | /** |
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| 180 | * Filtering predicate |
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| 181 | * |
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| 182 | * @param $e |
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| 183 | * @return bool |
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| 184 | */ |
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| 185 | public static function filterTagsByPrivatePrefix($e) { |
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| 188 | |||
| 189 | 10 | private static function getDeprecatedInfoFromDocBlock($deprecatedInfo, $maxVersion) { |
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| 231 | |||
| 232 | /** |
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| 233 | * @param string $maxVersion |
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| 234 | * @return array |
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| 235 | */ |
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| 236 | 10 | public static function getDeprecatedFunctionsList($maxVersion = '') { |
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| 237 | 10 | $i1 = self::getPhpIterator('lib/'); |
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| 238 | 10 | $i1 = new RegexIterator($i1, "/deprecated-.*/"); |
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| 239 | 10 | $i2 = self::getPhpIterator('classes/'); |
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| 240 | |||
| 241 | 10 | $i = new AppendIterator(); |
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| 242 | 10 | $i->append($i1); |
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| 243 | 10 | $i->append($i2); |
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| 244 | |||
| 245 | 10 | $functs = array(); |
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| 246 | |||
| 247 | 10 | foreach ($i as $file) { |
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| 248 | 10 | if ($file instanceof \SplFileInfo) { |
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| 249 | 10 | if (preg_match('#^deprecated-([0-9\.]*)$#', $file->getBasename('.php'), $matches)) { |
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| 250 | 10 | $version = $matches[1]; |
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| 251 | 10 | } else { |
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| 252 | 10 | $version = null; |
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| 253 | } |
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| 254 | |||
| 255 | //skip versions higher than selected |
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| 256 | 10 | if ($maxVersion && $version !== null && version_compare($version, $maxVersion) > 0) { |
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| 257 | 2 | continue; |
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| 258 | } |
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| 259 | |||
| 260 | 10 | $tokens = new \CodeReview\PhpFileParser($file->getPathname()); |
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| 261 | 10 | $functs = array_merge($functs, self::getDeprecatedFunctionsFromTokens($tokens, $file, $version, $maxVersion)); |
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| 262 | 10 | } |
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| 263 | 10 | } |
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| 264 | 10 | return $functs; |
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| 265 | } |
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| 266 | |||
| 267 | /** |
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| 268 | * @return array |
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| 269 | */ |
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| 270 | 6 | public static function getPrivateFunctionsList() { |
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| 271 | 6 | $i1 = new DirectoryIterator(self::$config['engine_path'] . 'lib/'); |
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| 272 | 6 | $i1 = new RegexIterator($i1, "/.*\.php/"); |
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| 273 | 6 | $i2 = self::getPhpIterator('classes/'); |
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| 274 | |||
| 275 | 6 | $i = new AppendIterator(); |
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| 276 | 6 | $i->append($i1); |
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| 277 | 6 | $i->append($i2); |
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| 278 | |||
| 279 | 6 | $functs = array(); |
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| 280 | |||
| 281 | 6 | foreach ($i as $file) { |
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| 282 | 6 | if ($file instanceof \SplFileInfo) { |
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| 283 | 6 | $tokens = new \CodeReview\PhpFileParser($file->getPathname()); |
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| 284 | 6 | $functs = array_merge($functs, self::getPrivateFunctionsFromTokens($tokens, $file)); |
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| 285 | 6 | } |
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| 286 | 6 | } |
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| 287 | 6 | return $functs; |
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| 288 | } |
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| 289 | |||
| 290 | /** |
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| 291 | * Redurns deprecated functions from particular file. |
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| 292 | * |
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| 293 | * @param \CodeReview\PhpFileParser $tokens |
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| 294 | * @param \SplFileInfo $file |
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| 295 | * @param $version |
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| 296 | * @param $maxVersion max version to return |
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| 297 | * @return array |
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| 298 | */ |
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| 299 | 10 | private static function getDeprecatedFunctionsFromTokens(\CodeReview\PhpFileParser $tokens, \SplFileInfo $file, $version, $maxVersion) { |
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| 300 | 10 | $namespace = ''; |
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| 301 | 10 | $className = null; |
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| 302 | 10 | $functs = array(); |
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| 303 | 10 | foreach ($tokens as $key => $token) { |
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| 304 | 10 | if ($tokens->isEqualToToken(T_INTERFACE, $key)) { |
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| 305 | //we don't process interfaces for deprecated functions |
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| 306 | break; |
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| 307 | } |
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| 308 | 10 | if ($tokens->isEqualToToken(T_NAMESPACE, $key)) { |
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| 309 | 10 | $pos = $key+2; |
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| 310 | 10 | $namespace = ''; |
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| 311 | 10 | while (isset($tokens[$pos]) && $tokens[$pos] !== ';') { |
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| 312 | 10 | $namespace .= $tokens[$pos][1]; |
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| 313 | 10 | $pos++; |
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| 314 | 10 | } |
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| 315 | 10 | $namespace = '\\' . $namespace . '\\'; |
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| 316 | 10 | } |
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| 317 | 10 | if ($tokens->isEqualToToken(T_CLASS, $key)) { |
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| 318 | //mark class name for all following functions |
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| 319 | 10 | $className = $namespace . $tokens[$key+2][1]; |
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| 320 | 10 | } |
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| 321 | |||
| 322 | //TODO we need to filter out closures |
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| 323 | |||
| 324 | 10 | if ($tokens->isEqualToToken(T_FUNCTION, $key)) { |
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| 325 | 10 | if ($className !== null) { |
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| 326 | 10 | $functionName = $className . '::' . $tokens[$key+2][1]; |
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| 327 | try { |
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| 328 | 10 | $reflection = new \ReflectionMethod($className, $tokens[$key+2][1]); |
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| 329 | 10 | } catch (\ReflectionException $e) { |
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| 330 | // var_dump($className, $functionName, $e->getMessage()); |
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| 331 | continue; |
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| 332 | } |
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| 333 | |||
| 334 | 10 | } else { |
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| 335 | 8 | $functionName = $tokens[$key+2][1]; |
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| 336 | try { |
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| 337 | 8 | $reflection = new \ReflectionFunction($functionName); |
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| 338 | 8 | } catch (\ReflectionException $e) { |
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| 339 | // var_dump($functionName, $e->getMessage()); |
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| 340 | continue; |
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| 341 | } |
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| 342 | } |
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| 343 | |||
| 344 | //check if non empty version and try go guess |
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| 345 | $data = array( |
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| 346 | 10 | 'name' => $functionName, |
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| 347 | 10 | 'version' => $version, |
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| 348 | 10 | 'file' => $file->getPathname(), |
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| 349 | 10 | 'line' => $token[2], |
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| 350 | 10 | ); |
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| 351 | |||
| 352 | 10 | $docBlock = $reflection->getDocComment(); |
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| 353 | 10 | if ($docBlock) { |
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| 354 | 10 | $info = self::getDeprecatedInfoFromDocBlock($docBlock, $maxVersion); |
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| 355 | 10 | if (!$info) { |
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| 356 | 10 | if ($version) { |
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| 357 | // no details, but we have version, so everything is deprecated here |
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| 358 | $info = array( |
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| 359 | 8 | 'deprecated' => true, |
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| 360 | 8 | 'version' => $version, |
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| 361 | 8 | 'fixinfoshort' => false, |
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| 362 | 8 | ); |
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| 363 | 8 | } else { |
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| 364 | //skipping - not deprecated |
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| 365 | 10 | continue; |
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| 366 | } |
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| 367 | 8 | } |
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| 368 | 10 | $data = array_merge($data, $info); |
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| 369 | 10 | } |
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| 370 | |||
| 371 | 10 | $functs[strtolower($functionName)] = new \CodeReview\Issues\DeprecatedIssue($data); |
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| 372 | 10 | } |
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| 373 | 10 | } |
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| 374 | 10 | return $functs; |
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| 375 | } |
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| 376 | |||
| 377 | /** |
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| 378 | * Redurns deprecated functions from particular file. |
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| 379 | * |
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| 380 | * @param \CodeReview\PhpFileParser $tokens |
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| 381 | * @param \SplFileInfo $file |
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| 382 | * @param $version |
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| 383 | * @return array |
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| 384 | */ |
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| 385 | 6 | private static function getPrivateFunctionsFromTokens(\CodeReview\PhpFileParser $tokens, \SplFileInfo $file) { |
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| 386 | 6 | $namespace = ''; |
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| 387 | 6 | $className = null; |
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| 388 | 6 | $functs = array(); |
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| 389 | 6 | foreach ($tokens as $key => $token) { |
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| 390 | 6 | if ($tokens->isEqualToToken(T_INTERFACE, $key)) { |
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| 391 | //we don't process interfaces for deprecated functions |
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| 392 | break; |
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| 393 | } |
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| 394 | 6 | if ($tokens->isEqualToToken(T_NAMESPACE, $key)) { |
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| 395 | 6 | $pos = $key+2; |
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| 396 | 6 | $namespace = ''; |
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| 397 | 6 | while (isset($tokens[$pos]) && $tokens[$pos] !== ';') { |
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| 398 | 6 | $namespace .= $tokens[$pos][1]; |
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| 399 | 6 | $pos++; |
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| 400 | 6 | } |
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| 401 | 6 | $namespace = '\\' . $namespace . '\\'; |
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| 402 | 6 | } |
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| 403 | 6 | if ($tokens->isEqualToToken(T_CLASS, $key)) { |
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| 404 | //mark class name for all following functions |
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| 405 | 6 | $className = $namespace . $tokens[$key+2][1]; |
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| 406 | 6 | } |
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| 407 | |||
| 408 | 6 | if ($tokens->isEqualToToken(T_FUNCTION, $key)) { |
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| 409 | 6 | if ($className !== null) { |
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| 410 | 6 | $functionName = $className . '::' . $tokens[$key+2][1]; |
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| 411 | try { |
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| 412 | 6 | $reflection = new \ReflectionMethod($className, $tokens[$key+2][1]); |
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| 413 | 6 | } catch (\ReflectionException $e) { |
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| 414 | continue; |
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| 415 | } |
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| 416 | 6 | } else { |
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| 417 | 6 | $functionName = $tokens[$key+2][1]; |
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| 418 | try { |
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| 419 | 6 | $reflection = new \ReflectionFunction($functionName); |
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| 420 | 6 | } catch (\ReflectionException $e) { |
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| 421 | continue; |
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| 422 | } |
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| 423 | } |
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| 424 | |||
| 425 | //check if non empty version and try go guess |
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| 426 | $data = array( |
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| 427 | 6 | 'name' => $functionName, |
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| 428 | 6 | 'file' => $file->getPathname(), |
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| 429 | 6 | 'line' => $token[2], |
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| 430 | 6 | ); |
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| 431 | |||
| 432 | 6 | $docBlock = $reflection->getDocComment(); |
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| 433 | 6 | if ($docBlock) { |
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| 434 | 6 | if (preg_match('/@access\s+private/', $docBlock) < 1) { |
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| 435 | //skipping - not private |
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| 436 | 6 | continue; |
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| 437 | } |
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| 438 | 6 | $data = new \CodeReview\Issues\PrivateIssue($data); |
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| 439 | 6 | } else { |
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| 440 | //non documented means private |
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| 441 | 6 | $data = new \CodeReview\Issues\NotDocumentedIssue($data); |
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| 442 | } |
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| 443 | |||
| 444 | 6 | $functs[strtolower($functionName)] = $data; |
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| 445 | 6 | } |
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| 446 | 6 | } |
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| 447 | 6 | return $functs; |
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| 448 | } |
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| 449 | |||
| 450 | /** |
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| 451 | * Returns a list of plugin directory names from a base directory. |
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| 452 | * Copied from 1.9 core due to elgg_get_plugin_ids_in_dir removal in 1.9 |
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| 453 | * |
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| 454 | * @param string $dir A dir to scan for plugins. Defaults to config's plugins_path. |
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| 455 | * Must have a trailing slash. |
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| 456 | * |
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| 457 | * @return array Array of directory names (not full paths) |
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| 458 | */ |
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| 459 | 5 | public static function getPluginDirsInDir($dir = null) { |
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| 480 | } |
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.