CommentDensity::analyzeFile() - Code Metrics - Inspection of "fix: makefile baseline command" - savinmikhail/Comments-Density - Measure and Improve Code Quality continuously with Scrutinizer

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Push — main ( b8dd52...35d689 )

by mikhail

created 2024-07-14 05:48 UTC

CommentDensity::analyzeFile() A

↳ Parent: CommentDensity

Complexity

Conditions	3
Paths	2

Size

Total Lines	24
Code Lines	15

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	12

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	15
c	1
b	0
f	0
dl	0
loc	24
ccs	0
cts	15
cp	0
rs	9.7666
cc	3
nc	2
nop	1
crap	12

<?php

declare(strict_types=1);

namespace SavinMikhail\CommentsDensity;

use Generator;
use SavinMikhail\CommentsDensity\Comments\CommentFactory;
use SavinMikhail\CommentsDensity\Comments\CommentTypeInterface;
use SavinMikhail\CommentsDensity\DTO\Input\ConfigDTO;
filter:
    dependency_paths: ["lib/*"]
use SavinMikhail\CommentsDensity\DTO\Output\CommentDTO;
filter:
    dependency_paths: ["lib/*"]
use SavinMikhail\CommentsDensity\DTO\Output\CommentStatisticsDTO;
filter:
    dependency_paths: ["lib/*"]
use SavinMikhail\CommentsDensity\DTO\Output\OutputDTO;
filter:
    dependency_paths: ["lib/*"]
use SavinMikhail\CommentsDensity\Metrics\MetricsFacade;
filter:
    dependency_paths: ["lib/*"]
use SavinMikhail\CommentsDensity\MissingDocblock\MissingDocBlockAnalyzer;
use SplFileInfo;

use Symfony\Component\Console\Output\OutputInterface;
use function array_merge;
use function array_push;
use function dd;
use function file;
use function file_get_contents;
use function in_array;
use function is_array;
use function str_contains;
use function substr_count;

use function token_get_all;
use const PHP_EOL;
use const T_COMMENT;
use const T_DOC_COMMENT;

final class CommentDensity
{
    private bool $exceedThreshold = false;

    public function __construct(
        private readonly ConfigDTO $configDTO,
        private readonly CommentFactory $commentFactory,
        private readonly MissingDocBlockAnalyzer $missingDocBlock,
        private readonly MetricsFacade $metrics,
        private readonly OutputInterface $output,
        private readonly MissingDocBlockAnalyzer $docBlockAnalyzer,
    ) {
    }

    public function analyze(Generator $files): OutputDTO
    {
        $this->metrics->startPerformanceMonitoring();
        $comments = [];
        $totalLinesOfCode = 0;
        $filesAnalyzed = 0;

        foreach ($files as $file) {
            if (! ($file instanceof SplFileInfo)) {
                continue;
            }
            if ($this->isInWhitelist($file->getRealPath())) {
                continue;
            }
            if ($file->getSize() === 0) {
                continue;
            }
            if (! $this->isPhpFile($file) || ! $file->isReadable()) {
                continue;
            }

            $commentsAndLines = $this->analyzeFile($file->getRealPath());
            $totalLinesOfCode += $commentsAndLines['linesOfCode'];
            array_push($comments, ...$commentsAndLines['comments']);

            $filesAnalyzed++;
        }
        $commentStatistics = $this->countCommentOccurrences($comments);

        $this->metrics->stopPerformanceMonitoring();

        return $this->createOutputDTO(
            $comments,
            $commentStatistics,
            $totalLinesOfCode,
            $this
                ->metrics
                ->calculateCDS($commentStatistics),
            $filesAnalyzed,
        );
    }

    public function analyzeFile(
        string $filename,
    ): array {
        $this->output->writeln("<info>Analyzing $filename</info>");

        $code = file_get_contents($filename);
        $tokens = token_get_all($code);

        $comments = $this->getCommentsFromFile($tokens, $filename);
        if (
            empty($this->configDto->only)

            || in_array('missingDocblock', $this->configDto->only, true)
        ) {
            $missingDocBlocks = $this
                ->docBlockAnalyzer
                ->getMissingDocblocks($code, $filename);
            $comments = array_merge($missingDocBlocks, $comments);
        }

        $linesOfCode = $this->countTotalLines($filename);

        return [
            'comments' => $comments,
            'linesOfCode' => $linesOfCode,
        ];
    }

    private function getCommentsFromFile(array $tokens, string $filename): array
    {
        $comments = [];
        foreach ($tokens as $token) {
            if (! is_array($token)) {
                continue;
            }
            if (! in_array($token[0], [T_COMMENT, T_DOC_COMMENT])) {
                continue;
            }
            $commentType = $this->commentFactory->classifyComment($token[1]);
            if ($commentType) {
                $comments[] = [
                    'content' => $token[1],
                    'type' => $commentType,
                    'line' => $token[2],
                    'file' => $filename
                ];
            }
        }
        return $comments;
    }

    private function countTotalLines(string $filename): int
    {
        $fileContent = file($filename);
        return count($fileContent);
    }

    private function isPhpFile(SplFileInfo $file): bool
    {
        return $file->isFile() && $file->getExtension() === 'php';
    }

    private function countCommentOccurrences(array $comments): array
    {
        $lineCounts = [];
        foreach ($comments as $comment) {
            $typeName = (string) $comment['type'];
            if (!isset($lineCounts[$typeName])) {
                $lineCounts[$typeName] = [
                    'lines' => 0,
                    'count' => 0,
                ];
            }
            $lineCounts[$typeName]['lines'] += substr_count($comment['content'], PHP_EOL) + 1;
            $lineCounts[$typeName]['count']++;
        }
        return $lineCounts;
    }

    private function createOutputDTO(
        array $comments,
        array $commentStatistics,
        int $linesOfCode,
        float $cds,
        int $filesAnalyzed,
    ): OutputDTO {
        $preparedCommentStatistic = $this->prepareCommentStatistics($commentStatistics);
        $preparedComments = $this->prepareComments($comments);
        $performanceMetrics = $this->metrics->getPerformanceMetrics();
        $comToLoc = $this->metrics->prepareComToLoc($commentStatistics, $linesOfCode);
        $cds = $this->metrics->prepareCDS($cds);
        if ($this->metrics->hasExceededThreshold()) {
            $this->exceedThreshold = true;
        }
        return new OutputDTO(
            $filesAnalyzed,
            $preparedCommentStatistic,
            $preparedComments,
            $performanceMetrics,
            $comToLoc,
            $cds,
            $this->exceedThreshold
        );
    }

    private function prepareCommentStatistics(array $commentStatistics): array
    {
        $preparedStatistics = [];
        foreach ($commentStatistics as $type => $stat) {
            if ($type === 'missingDocblock') {
                $preparedStatistics[] = new CommentStatisticsDTO(
                    $this->missingDocBlock->getColor(),
                    $this->missingDocBlock->getName(),
                    $stat['lines'],
                    $this->missingDocBlock->getStatColor($stat['count'], $this->configDTO->thresholds),
                    $stat['count']
                );
                if ($this->missingDocBlock->hasExceededThreshold()) {
                    $this->exceedThreshold = true;
                }
                continue;
            }
            $commentType = $this->commentFactory->getCommentType($type);
            if ($commentType) {
                $preparedStatistics[] = new CommentStatisticsDTO(
                    $commentType->getColor(),
                    $commentType->getName(),
                    $stat['lines'],
                    $commentType->getStatColor($stat['count'], $this->configDTO->thresholds),
                    $stat['count']
                );
                if ($commentType->hasExceededThreshold()) {
                    $this->exceedThreshold = true;
                }
            }
        }
        return $preparedStatistics;
    }

    private function prepareComments(array $comments): array
    {
        $preparedComments = [];
        foreach ($comments as $comment) {
            /** @var CommentTypeInterface|string $commentType */
            $commentType = $comment['type'];
            if ($commentType === 'missingDocblock') {
                $preparedComments[] = new CommentDTO(
                    'missingDocblock',
                    'red',
                    $comment['file'],
                    $comment['line'],
                    $comment['content']
                );
                continue;
            }
            if ($commentType->getWeight() > 0) {
                continue;
            }
            $preparedComments[] = new CommentDTO(
                $commentType->getName(),
                $commentType->getColor(),
                $comment['file'],
                $comment['line'],
                $comment['content']
            );
        }
        return $preparedComments;
    }

    private function isInWhitelist(string $filePath): bool
    {
        foreach ($this->configDTO->exclude as $whitelistedDir) {
            if (str_contains($filePath, $whitelistedDir)) {
                return true;
            }
        }
        return false;
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace SavinMikhail\CommentsDensity;
6
7			use Generator;
8			use SavinMikhail\CommentsDensity\Comments\CommentFactory;
9			use SavinMikhail\CommentsDensity\Comments\CommentTypeInterface;
10			use SavinMikhail\CommentsDensity\DTO\Input\ConfigDTO;
			0 ignored issues – show Bug introduced 2024-06-09 13:53 UTC by Report Bug Copy Issue Report The type `SavinMikhail\CommentsDensity\DTO\Input\ConfigDTO` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
11			use SavinMikhail\CommentsDensity\DTO\Output\CommentDTO;
			0 ignored issues – show Bug introduced 2024-06-09 13:53 UTC by Report Bug Copy Issue Report The type `SavinMikhail\CommentsDensity\DTO\Output\CommentDTO` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
12			use SavinMikhail\CommentsDensity\DTO\Output\CommentStatisticsDTO;
			0 ignored issues – show Bug introduced 2024-06-09 13:53 UTC by Report Bug Copy Issue Report The type `SavinMikhail\CommentsDen...ut\CommentStatisticsDTO` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
13			use SavinMikhail\CommentsDensity\DTO\Output\OutputDTO;
			0 ignored issues – show Bug introduced 2024-06-09 13:53 UTC by Report Bug Copy Issue Report The type `SavinMikhail\CommentsDensity\DTO\Output\OutputDTO` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
14			use SavinMikhail\CommentsDensity\Metrics\MetricsFacade;
			0 ignored issues – show Bug introduced 2024-07-03 15:40 UTC by Report Bug Copy Issue Report The type `SavinMikhail\CommentsDensity\Metrics\MetricsFacade` was not found. Maybe you did not declare it correctly or list all dependencies? The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g. `excluded_paths: ["lib/"]`, you can move it to the dependency path list as follows: filter: dependency_paths: ["lib/"] For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths Loading history...
15			use SavinMikhail\CommentsDensity\MissingDocblock\MissingDocBlockAnalyzer;
16			use SplFileInfo;
17
18			use Symfony\Component\Console\Output\OutputInterface;
19			use function array_merge;
20			use function array_push;
21			use function dd;
22			use function file;
23			use function file_get_contents;
24			use function in_array;
25			use function is_array;
26			use function str_contains;
27			use function substr_count;
28
29			use function token_get_all;
30			use const PHP_EOL;
31			use const T_COMMENT;
32			use const T_DOC_COMMENT;
33
34			final class CommentDensity
35			{
36			private bool $exceedThreshold = false;
37
38			public function __construct(
39			private readonly ConfigDTO $configDTO,
40			private readonly CommentFactory $commentFactory,
41			private readonly MissingDocBlockAnalyzer $missingDocBlock,
42			private readonly MetricsFacade $metrics,
43			private readonly OutputInterface $output,
44			private readonly MissingDocBlockAnalyzer $docBlockAnalyzer,
45			) {
46			}
47
48			public function analyze(Generator $files): OutputDTO
49			{
50			$this->metrics->startPerformanceMonitoring();
51			$comments = [];
52			$totalLinesOfCode = 0;
53			$filesAnalyzed = 0;
54
55			foreach ($files as $file) {
56			if (! ($file instanceof SplFileInfo)) {
57			continue;
58			}
59			if ($this->isInWhitelist($file->getRealPath())) {
60			continue;
61			}
62			if ($file->getSize() === 0) {
63			continue;
64			}
65			if (! $this->isPhpFile($file) \|\| ! $file->isReadable()) {
66			continue;
67			}
68
69			$commentsAndLines = $this->analyzeFile($file->getRealPath());
70			$totalLinesOfCode += $commentsAndLines['linesOfCode'];
71			array_push($comments, ...$commentsAndLines['comments']);
72
73			$filesAnalyzed++;
74			}
75			$commentStatistics = $this->countCommentOccurrences($comments);
76
77			$this->metrics->stopPerformanceMonitoring();
78
79			return $this->createOutputDTO(
80			$comments,
81			$commentStatistics,
82			$totalLinesOfCode,
83			$this
84			->metrics
85			->calculateCDS($commentStatistics),
86			$filesAnalyzed,
87			);
88			}
89
90			public function analyzeFile(
91			string $filename,
92			): array {
93			$this->output->writeln("<info>Analyzing $filename</info>");
94
95			$code = file_get_contents($filename);
96			$tokens = token_get_all($code);
97
98			$comments = $this->getCommentsFromFile($tokens, $filename);
99			if (
100			empty($this->configDto->only)
			0 ignored issues – show Bug introduced 2024-07-14 05:52 UTC by Report Bug Copy Issue Report The property `configDto` does not exist on `SavinMikhail\CommentsDensity\CommentDensity`. Did you mean `configDTO`? Loading history...
101			\|\| in_array('missingDocblock', $this->configDto->only, true)
102			) {
103			$missingDocBlocks = $this
104			->docBlockAnalyzer
105			->getMissingDocblocks($code, $filename);
106			$comments = array_merge($missingDocBlocks, $comments);
107			}
108
109			$linesOfCode = $this->countTotalLines($filename);
110
111			return [
112			'comments' => $comments,
113			'linesOfCode' => $linesOfCode,
114			];
115			}
116
117			private function getCommentsFromFile(array $tokens, string $filename): array
118			{
119			$comments = [];
120			foreach ($tokens as $token) {
121			if (! is_array($token)) {
122			continue;
123			}
124			if (! in_array($token[0], [T_COMMENT, T_DOC_COMMENT])) {
125			continue;
126			}
127			$commentType = $this->commentFactory->classifyComment($token[1]);
128			if ($commentType) {
129			$comments[] = [
130			'content' => $token[1],
131			'type' => $commentType,
132			'line' => $token[2],
133			'file' => $filename
134			];
135			}
136			}
137			return $comments;
138			}
139
140			private function countTotalLines(string $filename): int
141			{
142			$fileContent = file($filename);
143			return count($fileContent);
144			}
145
146			private function isPhpFile(SplFileInfo $file): bool
147			{
148			return $file->isFile() && $file->getExtension() === 'php';
149			}
150
151			private function countCommentOccurrences(array $comments): array
152			{
153			$lineCounts = [];
154			foreach ($comments as $comment) {
155			$typeName = (string) $comment['type'];
156			if (!isset($lineCounts[$typeName])) {
157			$lineCounts[$typeName] = [
158			'lines' => 0,
159			'count' => 0,
160			];
161			}
162			$lineCounts[$typeName]['lines'] += substr_count($comment['content'], PHP_EOL) + 1;
163			$lineCounts[$typeName]['count']++;
164			}
165			return $lineCounts;
166			}
167
168			private function createOutputDTO(
169			array $comments,
170			array $commentStatistics,
171			int $linesOfCode,
172			float $cds,
173			int $filesAnalyzed,
174			): OutputDTO {
175			$preparedCommentStatistic = $this->prepareCommentStatistics($commentStatistics);
176			$preparedComments = $this->prepareComments($comments);
177			$performanceMetrics = $this->metrics->getPerformanceMetrics();
178			$comToLoc = $this->metrics->prepareComToLoc($commentStatistics, $linesOfCode);
179			$cds = $this->metrics->prepareCDS($cds);
180			if ($this->metrics->hasExceededThreshold()) {
181			$this->exceedThreshold = true;
182			}
183			return new OutputDTO(
184			$filesAnalyzed,
185			$preparedCommentStatistic,
186			$preparedComments,
187			$performanceMetrics,
188			$comToLoc,
189			$cds,
190			$this->exceedThreshold
191			);
192			}
193
194			private function prepareCommentStatistics(array $commentStatistics): array
195			{
196			$preparedStatistics = [];
197			foreach ($commentStatistics as $type => $stat) {
198			if ($type === 'missingDocblock') {
199			$preparedStatistics[] = new CommentStatisticsDTO(
200			$this->missingDocBlock->getColor(),
201			$this->missingDocBlock->getName(),
202			$stat['lines'],
203			$this->missingDocBlock->getStatColor($stat['count'], $this->configDTO->thresholds),
204			$stat['count']
205			);
206			if ($this->missingDocBlock->hasExceededThreshold()) {
207			$this->exceedThreshold = true;
208			}
209			continue;
210			}
211			$commentType = $this->commentFactory->getCommentType($type);
212			if ($commentType) {
213			$preparedStatistics[] = new CommentStatisticsDTO(
214			$commentType->getColor(),
215			$commentType->getName(),
216			$stat['lines'],
217			$commentType->getStatColor($stat['count'], $this->configDTO->thresholds),
218			$stat['count']
219			);
220			if ($commentType->hasExceededThreshold()) {
221			$this->exceedThreshold = true;
222			}
223			}
224			}
225			return $preparedStatistics;
226			}
227
228			private function prepareComments(array $comments): array
229			{
230			$preparedComments = [];
231			foreach ($comments as $comment) {
232			/** @var CommentTypeInterface\|string $commentType */
233			$commentType = $comment['type'];
234			if ($commentType === 'missingDocblock') {
235			$preparedComments[] = new CommentDTO(
236			'missingDocblock',
237			'red',
238			$comment['file'],
239			$comment['line'],
240			$comment['content']
241			);
242			continue;
243			}
244			if ($commentType->getWeight() > 0) {
245			continue;
246			}
247			$preparedComments[] = new CommentDTO(
248			$commentType->getName(),
249			$commentType->getColor(),
250			$comment['file'],
251			$comment['line'],
252			$comment['content']
253			);
254			}
255			return $preparedComments;
256			}
257
258			private function isInWhitelist(string $filePath): bool
259			{
260			foreach ($this->configDTO->exclude as $whitelistedDir) {
261			if (str_contains($filePath, $whitelistedDir)) {
262			return true;
263			}
264			}
265			return false;
266			}
267			}
268

savinmikhail / Comments-Density

Push — main ( b8dd52...35d689 )

CommentDensity::analyzeFile() A

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

Filter issues like