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<?php |
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declare(strict_types=1); |
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namespace Churn\Process; |
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use Churn\File\File; |
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use Churn\Process\ChangesCount\GitChangesCountProcess; |
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use Churn\Process\ChangesCount\MercurialChangesCountProcess; |
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use Churn\Process\ChangesCount\NoVcsChangesCountProcess; |
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use Closure; |
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use InvalidArgumentException; |
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use Phar; |
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use Symfony\Component\Process\PhpExecutableFinder; |
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use Symfony\Component\Process\Process; |
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class ProcessFactory |
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{ |
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/** |
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* Builder of objects implementing ChangesCountInterface. |
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* |
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* @var Closure |
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*/ |
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private $changesCountProcessBuilder; |
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/** |
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* Builder of objects implementing CyclomaticComplexityInterface. |
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* |
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* @var Closure |
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*/ |
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private $cyclomaticComplexityBuilder; |
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/** |
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* Class constructor. |
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* |
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* @param string $vcs Name of the version control system. |
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* @param string $commitsSince String containing the date of when to look at commits since. |
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*/ |
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public function __construct(string $vcs, string $commitsSince) |
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{ |
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$this->changesCountProcessBuilder = $this->getChangesCountProcessBuilder($vcs, $commitsSince); |
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$this->cyclomaticComplexityBuilder = $this->getCyclomaticComplexityProcessBuilder(); |
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} |
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/** |
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* Creates a process that will count the number of changes for $file. |
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* |
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* @param File $file File that the process will execute on. |
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*/ |
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public function createChangesCountProcess(File $file): ChangesCountInterface |
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{ |
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return ($this->changesCountProcessBuilder)($file); |
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} |
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/** |
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* Creates a Cyclomatic Complexity Process that will run on $file. |
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* |
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* @param File $file File that the process will execute on. |
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*/ |
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public function createCyclomaticComplexityProcess(File $file): CyclomaticComplexityInterface |
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{ |
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return ($this->cyclomaticComplexityBuilder)($file); |
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} |
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/** |
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* @param string $vcs Name of the version control system. |
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* @param string $commitsSince String containing the date of when to look at commits since. |
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* @throws InvalidArgumentException If VCS is not supported. |
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*/ |
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private function getChangesCountProcessBuilder(string $vcs, string $commitsSince): Closure |
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{ |
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if ('git' === $vcs) { |
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return $this->getGitChangesCountProcessBuilder($commitsSince); |
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} |
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if ('mercurial' === $vcs) { |
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return $this->getMercurialChangesCountProcessBuilder($commitsSince); |
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} |
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if ('none' === $vcs) { |
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return static function (File $file): ChangesCountInterface { |
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return new NoVcsChangesCountProcess($file); |
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}; |
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} |
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throw new InvalidArgumentException('Unsupported VCS: ' . $vcs); |
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} |
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/** |
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* @param string $commitsSince String containing the date of when to look at commits since. |
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*/ |
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private function getGitChangesCountProcessBuilder(string $commitsSince): Closure |
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{ |
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return static function (File $file) use ($commitsSince): ChangesCountInterface { |
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return new GitChangesCountProcess($file, $commitsSince); |
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}; |
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} |
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/** |
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* @param string $commitsSince String containing the date of when to look at commits since. |
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*/ |
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private function getMercurialChangesCountProcessBuilder(string $commitsSince): Closure |
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{ |
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$date = \date('Y-m-d', \strtotime($commitsSince)); |
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return static function (File $file) use ($date): ChangesCountInterface { |
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return new MercurialChangesCountProcess($file, $date); |
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}; |
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} |
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/** |
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* Returns a cyclomatic complexity builder. |
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*/ |
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private function getCyclomaticComplexityProcessBuilder(): Closure |
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{ |
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$phpExecutable = (string)(new PhpExecutableFinder())->find(); |
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$command = \array_merge([$phpExecutable], $this->getAssessorArguments()); |
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return static function (File $file) use ($command): CyclomaticComplexityInterface { |
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$command[] = $file->getFullPath(); |
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$process = new Process($command); |
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return new CyclomaticComplexityProcess($file, $process); |
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}; |
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} |
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/** @return array<string> */ |
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private function getAssessorArguments(): array |
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{ |
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if (\is_callable([Phar::class, 'running']) && '' !== Phar::running(false)) { |
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return [Phar::running(false), 'assess-complexity']; |
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} |
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return [__DIR__ . '/../../bin/CyclomaticComplexityAssessorRunner']; |
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} |
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} |
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bmitch /
churn-php
