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| 1 | +<?php |
| 2 | +/** |
| 3 | + * Copyright © Magento, Inc. All rights reserved. |
| 4 | + * See COPYING.txt for license details. |
| 5 | + */ |
| 6 | +namespace Magento\Sniffs\Annotation; |
| 7 | + |
| 8 | +use PHP_CodeSniffer\Files\File; |
| 9 | + |
| 10 | +/** |
| 11 | + * Class to validate annotation format |
| 12 | + */ |
| 13 | +class AnnotationFormatValidator |
| 14 | +{ |
| 15 | + /** |
| 16 | + * Gets the short description end pointer position |
| 17 | + * |
| 18 | + * @param File $phpcsFile |
| 19 | + * @param int $shortPtr |
| 20 | + * @param int $commentEndPtr |
| 21 | + * @return int |
| 22 | + */ |
| 23 | + private function getShortDescriptionEndPosition(File $phpcsFile, $shortPtr, $commentEndPtr) |
| 24 | + { |
| 25 | + $tokens = $phpcsFile->getTokens(); |
| 26 | + $shortPtrEnd = $shortPtr; |
| 27 | + for ($i = ($shortPtr + 1); $i < $commentEndPtr; $i++) { |
| 28 | + if ($tokens[$i]['code'] === T_DOC_COMMENT_STRING) { |
| 29 | + if ($tokens[$i]['line'] === $tokens[$shortPtrEnd]['line'] + 1) { |
| 30 | + $shortPtrEnd = $i; |
| 31 | + } else { |
| 32 | + break; |
| 33 | + } |
| 34 | + } |
| 35 | + } |
| 36 | + return $shortPtrEnd; |
| 37 | + } |
| 38 | + |
| 39 | + /** |
| 40 | + * Validates whether the short description has multi lines in description |
| 41 | + * |
| 42 | + * @param File $phpcsFile |
| 43 | + * @param int $shortPtr |
| 44 | + * @param int $commentEndPtr |
| 45 | + */ |
| 46 | + private function validateMultiLinesInShortDescription( |
| 47 | + File $phpcsFile, |
| 48 | + $shortPtr, |
| 49 | + $commentEndPtr |
| 50 | + ) { |
| 51 | + $tokens = $phpcsFile->getTokens(); |
| 52 | + $shortPtrEnd = $this->getShortDescriptionEndPosition( |
| 53 | + $phpcsFile, |
| 54 | + (int)$shortPtr, |
| 55 | + $commentEndPtr |
| 56 | + ); |
| 57 | + $shortPtrEndContent = $tokens[$shortPtrEnd]['content']; |
| 58 | + if (preg_match('/^[a-z]/', $shortPtrEndContent) |
| 59 | + && $shortPtrEnd != $shortPtr |
| 60 | + && !preg_match('/\bSee\b/', $shortPtrEndContent) |
| 61 | + && $tokens[$shortPtr]['line'] + 1 === $tokens[$shortPtrEnd]['line'] |
| 62 | + && $tokens[$shortPtrEnd]['code'] !== T_DOC_COMMENT_TAG |
| 63 | + ) { |
| 64 | + $error = 'Short description should not be in multi lines'; |
| 65 | + $phpcsFile->addWarning($error, $shortPtrEnd + 1, 'MethodAnnotation'); |
| 66 | + } |
| 67 | + } |
| 68 | + |
| 69 | + /** |
| 70 | + * Validates whether the spacing between short and long descriptions |
| 71 | + * |
| 72 | + * @param File $phpcsFile |
| 73 | + * @param int $shortPtr |
| 74 | + * @param int $commentEndPtr |
| 75 | + * @param array $emptyTypeTokens |
| 76 | + */ |
| 77 | + private function validateSpacingBetweenShortAndLongDescriptions( |
| 78 | + File $phpcsFile, |
| 79 | + $shortPtr, |
| 80 | + $commentEndPtr, |
| 81 | + array $emptyTypeTokens |
| 82 | + ) { |
| 83 | + $tokens = $phpcsFile->getTokens(); |
| 84 | + $shortPtrEnd = $this->getShortDescriptionEndPosition( |
| 85 | + $phpcsFile, |
| 86 | + (int)$shortPtr, |
| 87 | + $commentEndPtr |
| 88 | + ); |
| 89 | + $shortPtrEndContent = $tokens[$shortPtrEnd]['content']; |
| 90 | + if (preg_match('/^[A-Z]/', $shortPtrEndContent) |
| 91 | + && !preg_match('/\bSee\b/', $shortPtrEndContent) |
| 92 | + && $tokens[$shortPtr]['line'] + 1 === $tokens[$shortPtrEnd]['line'] |
| 93 | + && $tokens[$shortPtrEnd]['code'] !== T_DOC_COMMENT_TAG |
| 94 | + ) { |
| 95 | + $error = 'There must be exactly one blank line between lines'; |
| 96 | + $phpcsFile->addWarning($error, $shortPtrEnd + 1, 'MethodAnnotation'); |
| 97 | + } |
| 98 | + if ($shortPtrEnd != $shortPtr) { |
| 99 | + $this->validateLongDescriptionFormat($phpcsFile, $shortPtrEnd, $commentEndPtr, $emptyTypeTokens); |
| 100 | + } else { |
| 101 | + $this->validateLongDescriptionFormat($phpcsFile, $shortPtr, $commentEndPtr, $emptyTypeTokens); |
| 102 | + } |
| 103 | + } |
| 104 | + |
| 105 | + /** |
| 106 | + * Validates short description format |
| 107 | + * |
| 108 | + * @param File $phpcsFile |
| 109 | + * @param int $shortPtr |
| 110 | + * @param int $stackPtr |
| 111 | + * @param int $commentEndPtr |
| 112 | + * @param array $emptyTypeTokens |
| 113 | + */ |
| 114 | + private function validateShortDescriptionFormat( |
| 115 | + File $phpcsFile, |
| 116 | + $shortPtr, |
| 117 | + $stackPtr, |
| 118 | + $commentEndPtr, |
| 119 | + array $emptyTypeTokens |
| 120 | + ) { |
| 121 | + $tokens = $phpcsFile->getTokens(); |
| 122 | + if ($tokens[$shortPtr]['line'] !== $tokens[$stackPtr]['line'] + 1) { |
| 123 | + $error = 'No blank lines are allowed before short description'; |
| 124 | + $phpcsFile->addWarning($error, $shortPtr, 'MethodAnnotation'); |
| 125 | + } |
| 126 | + if (strtolower($tokens[$shortPtr]['content']) === '{@inheritdoc}') { |
| 127 | + $error = 'If the @inheritdoc not inline it shouldn’t have braces'; |
| 128 | + $phpcsFile->addWarning($error, $shortPtr, 'MethodAnnotation'); |
| 129 | + } |
| 130 | + $shortPtrContent = $tokens[$shortPtr]['content']; |
| 131 | + if (preg_match('/^\p{Ll}/u', $shortPtrContent) === 1) { |
| 132 | + $error = 'Short description must start with a capital letter'; |
| 133 | + $phpcsFile->addWarning($error, $shortPtr, 'MethodAnnotation'); |
| 134 | + } |
| 135 | + $this->validateNoExtraNewLineBeforeShortDescription( |
| 136 | + $phpcsFile, |
| 137 | + $stackPtr, |
| 138 | + $commentEndPtr, |
| 139 | + $emptyTypeTokens |
| 140 | + ); |
| 141 | + $this->validateSpacingBetweenShortAndLongDescriptions( |
| 142 | + $phpcsFile, |
| 143 | + $shortPtr, |
| 144 | + $commentEndPtr, |
| 145 | + $emptyTypeTokens |
| 146 | + ); |
| 147 | + $this->validateMultiLinesInShortDescription( |
| 148 | + $phpcsFile, |
| 149 | + $shortPtr, |
| 150 | + $commentEndPtr |
| 151 | + ); |
| 152 | + } |
| 153 | + |
| 154 | + /** |
| 155 | + * Validates long description format |
| 156 | + * |
| 157 | + * @param File $phpcsFile |
| 158 | + * @param int $shortPtrEnd |
| 159 | + * @param int $commentEndPtr |
| 160 | + * @param array $emptyTypeTokens |
| 161 | + */ |
| 162 | + private function validateLongDescriptionFormat( |
| 163 | + File $phpcsFile, |
| 164 | + $shortPtrEnd, |
| 165 | + $commentEndPtr, |
| 166 | + array $emptyTypeTokens |
| 167 | + ) { |
| 168 | + $tokens = $phpcsFile->getTokens(); |
| 169 | + $longPtr = $phpcsFile->findNext($emptyTypeTokens, $shortPtrEnd + 1, $commentEndPtr - 1, true); |
| 170 | + if (strtolower($tokens[$longPtr]['content']) === '@inheritdoc') { |
| 171 | + $error = '@inheritdoc imports only short description, annotation must have long description'; |
| 172 | + $phpcsFile->addWarning($error, $longPtr, 'MethodAnnotation'); |
| 173 | + } |
| 174 | + if ($longPtr !== false && $tokens[$longPtr]['code'] === T_DOC_COMMENT_STRING) { |
| 175 | + if ($tokens[$longPtr]['line'] !== $tokens[$shortPtrEnd]['line'] + 2) { |
| 176 | + $error = 'There must be exactly one blank line between descriptions'; |
| 177 | + $phpcsFile->addWarning($error, $longPtr, 'MethodAnnotation'); |
| 178 | + } |
| 179 | + if (preg_match('/^\p{Ll}/u', $tokens[$longPtr]['content']) === 1) { |
| 180 | + $error = 'Long description must start with a capital letter'; |
| 181 | + $phpcsFile->addWarning($error, $longPtr, 'MethodAnnotation'); |
| 182 | + } |
| 183 | + } |
| 184 | + } |
| 185 | + |
| 186 | + /** |
| 187 | + * Validates tags spacing format |
| 188 | + * |
| 189 | + * @param File $phpcsFile |
| 190 | + * @param int $commentStartPtr |
| 191 | + * @param array $emptyTypeTokens |
| 192 | + */ |
| 193 | + public function validateTagsSpacingFormat(File $phpcsFile, $commentStartPtr, array $emptyTypeTokens) |
| 194 | + { |
| 195 | + $tokens = $phpcsFile->getTokens(); |
| 196 | + if (isset($tokens[$commentStartPtr]['comment_tags'][0])) { |
| 197 | + $firstTagPtr = $tokens[$commentStartPtr]['comment_tags'][0]; |
| 198 | + $commentTagPtrContent = $tokens[$firstTagPtr]['content']; |
| 199 | + $prevPtr = $phpcsFile->findPrevious($emptyTypeTokens, $firstTagPtr - 1, $commentStartPtr, true); |
| 200 | + if ($tokens[$firstTagPtr]['line'] !== $tokens[$prevPtr]['line'] + 2 |
| 201 | + && strtolower($commentTagPtrContent) !== '@inheritdoc' |
| 202 | + ) { |
| 203 | + $error = 'There must be exactly one blank line before tags'; |
| 204 | + $phpcsFile->addWarning($error, $firstTagPtr, 'MethodAnnotation'); |
| 205 | + } |
| 206 | + } |
| 207 | + } |
| 208 | + |
| 209 | + /** |
| 210 | + * Validates tag grouping format |
| 211 | + * |
| 212 | + * @param File $phpcsFile |
| 213 | + * @param int $commentStartPtr |
| 214 | + */ |
| 215 | + public function validateTagGroupingFormat(File $phpcsFile, $commentStartPtr) |
| 216 | + { |
| 217 | + $tokens = $phpcsFile->getTokens(); |
| 218 | + $tagGroups = []; |
| 219 | + $groupId = 0; |
| 220 | + $paramGroupId = null; |
| 221 | + foreach ($tokens[$commentStartPtr]['comment_tags'] as $position => $tag) { |
| 222 | + if ($position > 0) { |
| 223 | + $prevPtr = $phpcsFile->findPrevious( |
| 224 | + T_DOC_COMMENT_STRING, |
| 225 | + $tag - 1, |
| 226 | + $tokens[$commentStartPtr]['comment_tags'][$position - 1] |
| 227 | + ); |
| 228 | + if ($prevPtr === false) { |
| 229 | + $prevPtr = $tokens[$commentStartPtr]['comment_tags'][$position - 1]; |
| 230 | + } |
| 231 | + |
| 232 | + if ($tokens[$prevPtr]['line'] !== $tokens[$tag]['line'] - 1) { |
| 233 | + $groupId++; |
| 234 | + } |
| 235 | + } |
| 236 | + |
| 237 | + if (strtolower($tokens[$tag]['content']) === '@param') { |
| 238 | + if ($paramGroupId !== null |
| 239 | + && $paramGroupId !== $groupId) { |
| 240 | + $error = 'Parameter tags must be grouped together'; |
| 241 | + $phpcsFile->addWarning($error, $tag, 'MethodAnnotation'); |
| 242 | + } |
| 243 | + if ($paramGroupId === null) { |
| 244 | + $paramGroupId = $groupId; |
| 245 | + } |
| 246 | + } |
| 247 | + $tagGroups[$groupId][] = $tag; |
| 248 | + } |
| 249 | + } |
| 250 | + |
| 251 | + /** |
| 252 | + * Validates extra newline before short description |
| 253 | + * |
| 254 | + * @param File $phpcsFile |
| 255 | + * @param int $commentStartPtr |
| 256 | + * @param int $commentEndPtr |
| 257 | + * @param array $emptyTypeTokens |
| 258 | + */ |
| 259 | + private function validateNoExtraNewLineBeforeShortDescription( |
| 260 | + File $phpcsFile, |
| 261 | + $commentStartPtr, |
| 262 | + $commentEndPtr, |
| 263 | + array $emptyTypeTokens |
| 264 | + ) { |
| 265 | + $tokens = $phpcsFile->getTokens(); |
| 266 | + $prevPtr = $phpcsFile->findPrevious($emptyTypeTokens, $commentEndPtr - 1, $commentStartPtr, true); |
| 267 | + if ($tokens[$prevPtr]['line'] < ($tokens[$commentEndPtr]['line'] - 1)) { |
| 268 | + $error = 'Additional blank lines found at end of the annotation block'; |
| 269 | + $phpcsFile->addWarning($error, $commentEndPtr, 'MethodAnnotation'); |
| 270 | + } |
| 271 | + } |
| 272 | + |
| 273 | + /** |
| 274 | + * Validates structure description format |
| 275 | + * |
| 276 | + * @param File $phpcsFile |
| 277 | + * @param int $commentStartPtr |
| 278 | + * @param int $shortPtr |
| 279 | + * @param int $commentEndPtr |
| 280 | + * @param array $emptyTypeTokens |
| 281 | + */ |
| 282 | + public function validateDescriptionFormatStructure( |
| 283 | + File $phpcsFile, |
| 284 | + $commentStartPtr, |
| 285 | + $shortPtr, |
| 286 | + $commentEndPtr, |
| 287 | + array $emptyTypeTokens |
| 288 | + ) { |
| 289 | + $tokens = $phpcsFile->getTokens(); |
| 290 | + if (isset($tokens[$commentStartPtr]['comment_tags'][0]) |
| 291 | + ) { |
| 292 | + $commentTagPtr = $tokens[$commentStartPtr]['comment_tags'][0]; |
| 293 | + $commentTagPtrContent = $tokens[$commentTagPtr]['content']; |
| 294 | + if ($tokens[$shortPtr]['code'] !== T_DOC_COMMENT_STRING |
| 295 | + && strtolower($commentTagPtrContent) !== '@inheritdoc' |
| 296 | + ) { |
| 297 | + $error = 'Missing short description'; |
| 298 | + $phpcsFile->addWarning($error, $commentStartPtr, 'MethodAnnotation'); |
| 299 | + } else { |
| 300 | + $this->validateShortDescriptionFormat( |
| 301 | + $phpcsFile, |
| 302 | + (int)$shortPtr, |
| 303 | + $commentStartPtr, |
| 304 | + $commentEndPtr, |
| 305 | + $emptyTypeTokens |
| 306 | + ); |
| 307 | + } |
| 308 | + } else { |
| 309 | + $this->validateShortDescriptionFormat( |
| 310 | + $phpcsFile, |
| 311 | + (int)$shortPtr, |
| 312 | + $commentStartPtr, |
| 313 | + $commentEndPtr, |
| 314 | + $emptyTypeTokens |
| 315 | + ); |
| 316 | + } |
| 317 | + } |
| 318 | +} |
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