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<?php |
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declare(strict_types=1); |
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namespace SavinMikhail\CommentsDensity; |
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use function in_array; |
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use function is_array; |
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use const T_CLASS; |
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use const T_DOC_COMMENT; |
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use const T_FUNCTION; |
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use const T_INTERFACE; |
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use const T_PAAMAYIM_NEKUDOTAYIM; |
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use const T_STRING; |
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use const T_TRAIT; |
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use const T_ENUM; |
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use const T_WHITESPACE; |
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final class MissingDocBlockAnalyzer |
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{ |
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private bool $exceedThreshold = false; |
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/** |
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* Analyzes the tokens of a file for docblocks. |
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* |
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* @param array $tokens The tokens to analyze. |
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* @return array The analysis results. |
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*/ |
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private function analyzeTokens(array $tokens, string $filename): array |
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{ |
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$lastDocBlock = null; |
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$missingDocBlocks = []; |
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$tokenCount = count($tokens); |
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for ($i = 0; $i < $tokenCount; $i++) { |
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$token = $tokens[$i]; |
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if (! is_array($token)) { |
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continue; |
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} |
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if ($token[0] === T_DOC_COMMENT) { |
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$lastDocBlock = $token[1]; |
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} elseif ($this->isDocBlockRequired($token, $tokens, $i)) { |
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if (empty($lastDocBlock)) { |
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$missingDocBlocks[] = $this->createMissingDocBlockStat($token, $filename); |
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} |
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$lastDocBlock = null; |
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} |
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} |
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return $missingDocBlocks; |
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} |
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private function isFollowingToken(array $tokens, int $index, string $expectedToken): bool |
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{ |
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for ($j = $index + 1, $count = count($tokens); $j < $count; $j++) { |
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$nextToken = $tokens[$j]; |
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if ($nextToken[0] === T_WHITESPACE) { |
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continue; |
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} |
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return $nextToken === $expectedToken; |
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} |
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return false; |
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} |
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private function isAnonymousClass(array $tokens, int $index): bool |
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{ |
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return $this->isFollowingToken($tokens, $index, '{'); |
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} |
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private function isAnonymousFunction(array $tokens, int $index): bool |
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{ |
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return $this->isFollowingToken($tokens, $index, '('); |
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} |
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private function isDocBlockRequired(array $token, array $tokens, int $index): bool |
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{ |
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if (! in_array($token[0], [T_CLASS, T_TRAIT, T_INTERFACE, T_ENUM, T_FUNCTION], true)) { |
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return false; |
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} |
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if ($token[0] === T_CLASS) { |
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if ($this->isAnonymousClass($tokens, $index) || $this->isClosure($tokens, $index)) { |
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return false; |
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} |
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} |
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if ($token[0] === T_FUNCTION) { |
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if ($this->isAnonymousFunction($tokens, $index) || ! $this->isFunctionDeclaration($tokens, $index)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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private function createMissingDocBlockStat(array $token, string $filename): array |
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{ |
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return [ |
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'type' => 'missingDocblock', |
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'content' => '', |
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'file' => $filename, |
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'line' => $token[2] |
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]; |
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} |
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protected function isClosure(array $tokens, int $index): bool |
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{ |
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$tokenCount = count($tokens); |
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for ($j = $index + 1; $j < $tokenCount; $j++) { |
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$nextToken = $tokens[$j]; |
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if ($nextToken[0] === T_WHITESPACE) { |
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continue; |
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} |
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if ( |
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$tokens[$index - 2][0] === T_STRING |
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&& $tokens[$index - 1][0] === T_PAAMAYIM_NEKUDOTAYIM |
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&& $tokens[$index][0] === T_CLASS |
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) { |
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return true; |
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} |
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} |
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return false; |
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} |
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private function isFunctionDeclaration(array $tokens, int $index): bool |
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{ |
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$tokenCount = count($tokens); |
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for ($j = $index + 1; $j < $tokenCount; $j++) { |
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$nextToken = $tokens[$j]; |
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if (is_array($nextToken) && $nextToken[0] === T_STRING) { |
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continue; |
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} |
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if ($nextToken === '(') { |
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return true; |
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} |
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if ($nextToken === ';') { |
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return false; |
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} |
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} |
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return false; |
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} |
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public function getMissingDocblocks(array $tokens, string $filename): array |
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{ |
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return $this->analyzeTokens($tokens, $filename); |
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} |
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public function getColor(): string |
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{ |
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return 'red'; |
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} |
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public function getStatColor(float $count, array $thresholds): string |
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{ |
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if (! isset($thresholds['missingDocBlock'])) { |
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return 'white'; |
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} |
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if ($count <= $thresholds['missingDocBlock']) { |
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return 'green'; |
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} |
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$this->exceedThreshold = true; |
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return 'red'; |
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} |
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public function hasExceededThreshold(): bool |
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{ |
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return $this->exceedThreshold; |
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} |
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public function getName(): string |
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{ |
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return 'missingDocblock'; |
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} |
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} |
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savinmikhail /
Comments-Density
