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Original file line number | Diff line number | Diff line change |
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<?php | ||
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// This file is part of Moodle - https://moodle.org/ | ||
// | ||
// Moodle is free software: you can redistribute it and/or modify | ||
// it under the terms of the GNU General Public License as published by | ||
// the Free Software Foundation, either version 3 of the License, or | ||
// (at your option) any later version. | ||
// | ||
// Moodle is distributed in the hope that it will be useful, | ||
// but WITHOUT ANY WARRANdTY; without even the implied warranty of | ||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
// GNU General Public License for more details. | ||
// | ||
// You should have received a copy of the GNU General Public License | ||
// along with Moodle. If not, see <https://www.gnu.org/licenses/>. | ||
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namespace MoodleHQ\MoodleCS\moodle\Sniffs\Commenting; | ||
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use MoodleHQ\MoodleCS\moodle\Util\Docblocks; | ||
use MoodleHQ\MoodleCS\moodle\Util\TokenUtil; | ||
use PHP_CodeSniffer\Files\File; | ||
use PHP_CodeSniffer\Sniffs\Sniff; | ||
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/** | ||
* Checks that all files an classes have appropriate docs. | ||
* | ||
* @copyright 2024 Andrew Lyons <[email protected]> | ||
* @license https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
*/ | ||
class ConstructorReturnSniff implements Sniff | ||
{ | ||
/** | ||
* Register for class tags. | ||
*/ | ||
public function register() { | ||
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return [ | ||
T_CLASS, | ||
]; | ||
} | ||
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/** | ||
* Processes php files and perform various checks with file. | ||
* | ||
* @param File $phpcsFile The file being scanned. | ||
* @param int $stackPtr The position in the stack. | ||
*/ | ||
public function process(File $phpcsFile, $stackPtr) { | ||
$tokens = $phpcsFile->getTokens(); | ||
$endClassPtr = $tokens[$stackPtr]['scope_closer']; | ||
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while ( | ||
($methodPtr = $phpcsFile->findNext(T_FUNCTION, $stackPtr + 1, $endClassPtr)) !== false | ||
) { | ||
$this->processClassMethod($phpcsFile, $methodPtr); | ||
$stackPtr = $methodPtr; | ||
} | ||
} | ||
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/** | ||
* Processes the class method. | ||
* | ||
* @param File $phpcsFile The file being scanned. | ||
* @param int $stackPtr The position in the stack. | ||
*/ | ||
protected function processClassMethod(File $phpcsFile, int $stackPtr): void { | ||
$objectName = TokenUtil::getObjectName($phpcsFile, $stackPtr); | ||
if ($objectName !== '__constructor') { | ||
// We only care about constructors. | ||
return; | ||
} | ||
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// Get docblock. | ||
$docblockPtr = Docblocks::getDocBlockPointer($phpcsFile, $stackPtr); | ||
if ($docblockPtr === null) { | ||
// No docblocks for this constructor. | ||
return; | ||
} | ||
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$returnTokens = Docblocks::getMatchingDocTags($phpcsFile, $docblockPtr, '@return'); | ||
if (count($returnTokens) === 0) { | ||
// No @return tag in the docblock. | ||
return; | ||
} | ||
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$fix = $phpcsFile->addFixableError( | ||
'Constructor should not have a return tag in the docblock', | ||
$returnTokens[0], | ||
'ConstructorReturn' | ||
); | ||
if ($fix) { | ||
$tokens = $phpcsFile->getTokens(); | ||
$phpcsFile->fixer->beginChangeset(); | ||
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// Find the tokens at the start and end of the line. | ||
$lineStart = $phpcsFile->findFirstOnLine(T_DOC_COMMENT_STAR, $returnTokens[0]); | ||
if ($lineStart === false) { | ||
$lineStart = $returnTokens[0]; | ||
} | ||
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$ptr = $phpcsFile->findNext(T_DOC_COMMENT_WHITESPACE, $lineStart); | ||
for ($lineEnd = $lineStart; $lineEnd < $tokens[$docblockPtr]['comment_closer']; $lineEnd++) { | ||
if ($tokens[$lineEnd]['line'] !== $tokens[$lineStart]['line']) { | ||
break; | ||
} | ||
} | ||
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if ($tokens[$lineEnd]['code'] === T_DOC_COMMENT_CLOSE_TAG) { | ||
$lineEnd--; | ||
} | ||
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for ($ptr = $lineStart; $ptr <= $lineEnd; $ptr++) { | ||
$phpcsFile->fixer->replaceToken($ptr, ''); | ||
} | ||
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$phpcsFile->fixer->endChangeset(); | ||
} | ||
} | ||
} |
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