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<?php |
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/** |
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* Static Analysis Results Baseliner (sarb). |
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* |
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* (c) Dave Liddament |
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* |
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* For the full copyright and licence information please view the LICENSE file distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace DaveLiddament\StaticAnalysisResultsBaseliner\Domain\HistoryAnalyser\UnifiedDiffParser\internal; |
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use DaveLiddament\StaticAnalysisResultsBaseliner\Domain\Common\LineNumber; |
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use DaveLiddament\StaticAnalysisResultsBaseliner\Domain\HistoryAnalyser\UnifiedDiffParser\LineMutation; |
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use DaveLiddament\StaticAnalysisResultsBaseliner\Domain\Utils\StringUtils; |
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/** |
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* Used when currently parsing a Change Hunk. |
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*/ |
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class ChangeHunkParserState implements State |
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{ |
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/** |
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* @var int |
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*/ |
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private $originalFileLine; |
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/** |
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* @var int |
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*/ |
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private $newFileLine; |
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/** |
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* @var FileMutationBuilder |
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*/ |
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private $fileMutationBuilder; |
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/** |
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* ChangeHunkParserState constructor. |
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* |
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* @throws DiffParseException |
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*/ |
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public function __construct(FileMutationBuilder $fileMutationBuilder, string $rangeInformationAsString) |
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{ |
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$rangeInformation = new RangeInformation($rangeInformationAsString); |
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$this->fileMutationBuilder = $fileMutationBuilder; |
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$this->originalFileLine = $rangeInformation->getOriginalFileStartLine(); |
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$this->newFileLine = $rangeInformation->getNewFileStartLine(); |
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} |
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public function processLine(string $line): State |
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{ |
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if (LineTypeDetector::isStartOfFileDiff($line)) { |
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return $this->processNewFileDiffStart(); |
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} |
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if (LineTypeDetector::isStartOfChangeHunk($line)) { |
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return $this->processNewChangeHunk($line); |
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} |
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if (StringUtils::startsWith('+', $line)) { |
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$this->processAddLine(); |
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return $this; |
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} |
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if (StringUtils::startsWith('-', $line)) { |
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$this->processRemoveLine(); |
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return $this; |
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} |
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$this->processNoChange(); |
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return $this; |
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} |
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private function processNewFileDiffStart(): State |
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{ |
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$fileMutationsBuilder = $this->fileMutationBuilder->build(); |
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return new FindOriginalFileNameState($fileMutationsBuilder); |
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} |
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/** |
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* @throws DiffParseException |
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*/ |
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private function processNewChangeHunk(string $line): State |
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{ |
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return new self($this->fileMutationBuilder, $line); |
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} |
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private function processAddLine(): void |
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{ |
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$lineMutation = LineMutation::newLineNumber(new LineNumber($this->newFileLine)); |
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$this->fileMutationBuilder->addLineMutation($lineMutation); |
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++$this->newFileLine; |
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} |
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private function processRemoveLine(): void |
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{ |
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$lineMutation = LineMutation::originalLineNumber(new LineNumber($this->originalFileLine)); |
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$this->fileMutationBuilder->addLineMutation($lineMutation); |
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++$this->originalFileLine; |
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} |
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private function processNoChange(): void |
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{ |
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++$this->originalFileLine; |
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++$this->newFileLine; |
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} |
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public function finish(): void |
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{ |
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$this->fileMutationBuilder->build(); |
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} |
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} |
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DaveLiddament /
sarb
