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<?php |
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/** |
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* CodingStandard_Sniffs_Array_ArraySniff. |
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* |
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* PHP version 5 |
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* |
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* @category PHP |
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* @package PHP_CodeSniffer |
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* @author Peter Philipp <[email protected]> |
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* @author Alexander Obuhovich <[email protected]> |
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* @license https://github.com/aik099/CodingStandard/blob/master/LICENSE BSD 3-Clause |
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* @link https://github.com/aik099/CodingStandard |
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*/ |
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namespace CodingStandard\Sniffs\Arrays; |
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use PHP_CodeSniffer\Files\File; |
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use PHP_CodeSniffer\Sniffs\Sniff; |
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use PHP_CodeSniffer\Util\Tokens; |
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/** |
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* CodingStandard_Sniffs_Array_ArraySniff. |
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* |
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* Checks if the array's are styled in the Drupal way. |
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* - Comma after the last array element |
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* |
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* @category PHP |
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* @package PHP_CodeSniffer |
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* @author Peter Philipp <[email protected]> |
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* @author Alexander Obuhovich <[email protected]> |
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* @license https://github.com/aik099/CodingStandard/blob/master/LICENSE BSD 3-Clause |
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* @link https://github.com/aik099/CodingStandard |
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*/ |
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class ArraySniff implements Sniff |
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{ |
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/** |
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* Returns an array of tokens this test wants to listen for. |
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* |
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* @return integer[] |
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*/ |
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public function register() |
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{ |
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return array(T_ARRAY); |
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}//end register() |
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/** |
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* Processes this test, when one of its tokens is encountered. |
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* |
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* @param File $phpcsFile The file being scanned. |
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* @param int $stackPtr The position of the current token in the |
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* stack passed in $tokens. |
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* |
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* @return void |
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*/ |
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public function process(File $phpcsFile, $stackPtr) |
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{ |
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$tokens = $phpcsFile->getTokens(); |
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$arrayStart = $tokens[$stackPtr]['parenthesis_opener']; |
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$arrayEnd = $tokens[$arrayStart]['parenthesis_closer']; |
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if ($arrayStart !== ($stackPtr + 1)) { |
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$error = 'There must be no space between the Array keyword and the opening parenthesis'; |
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$fix = $phpcsFile->addFixableError($error, $stackPtr, 'SpaceAfterKeyword'); |
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if ($fix === true) { |
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$phpcsFile->fixer->beginChangeset(); |
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for ($i = ($stackPtr + 1); $i < $arrayStart; $i++) { |
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$phpcsFile->fixer->replaceToken($i, ''); |
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} |
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$phpcsFile->fixer->endChangeset(); |
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} |
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} |
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// Check for empty arrays. |
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$content = $phpcsFile->findNext(array(T_WHITESPACE), ($arrayStart + 1), ($arrayEnd + 1), true); |
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if ($content === $arrayEnd) { |
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// Empty array, but if the brackets aren't together, there's a problem. |
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if (($arrayEnd - $arrayStart) !== 1) { |
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$error = 'Empty array declaration must have no space between the parentheses'; |
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$fix = $phpcsFile->addFixableError($error, $stackPtr, 'SpaceInEmptyArray'); |
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if ($fix === true) { |
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$phpcsFile->fixer->beginChangeset(); |
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for ($i = ($arrayStart + 1); $i < $arrayEnd; $i++) { |
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$phpcsFile->fixer->replaceToken($i, ''); |
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} |
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$phpcsFile->fixer->endChangeset(); |
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} |
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// We can return here because there is nothing else to check. All code |
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// below can assume that the array is not empty. |
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return; |
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} |
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} |
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$lastItem = $phpcsFile->findPrevious(Tokens::$emptyTokens, ($arrayEnd - 1), $stackPtr, true); |
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// Empty array. |
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if ($lastItem === $arrayStart) { |
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return; |
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} |
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// Inline array. |
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$isInlineArray = $tokens[$arrayStart]['line'] === $tokens[$arrayEnd]['line']; |
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// Check if the last item in a multiline array has a "closing" comma. |
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if ($tokens[$lastItem]['code'] !== T_COMMA && $isInlineArray === false) { |
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$error = 'A comma should follow the last multiline array item. Found: '.$tokens[$lastItem]['content']; |
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$fix = $phpcsFile->addFixableWarning($error, $lastItem, 'NoLastComma'); |
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if ($fix === true) { |
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$phpcsFile->fixer->beginChangeset(); |
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$phpcsFile->fixer->addContent($lastItem, ','); |
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$phpcsFile->fixer->endChangeset(); |
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} |
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return; |
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} |
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if ($isInlineArray === true) { |
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if ($tokens[$lastItem]['code'] === T_COMMA) { |
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$error = 'Comma not allowed after last value in single-line array declaration'; |
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$fix = $phpcsFile->addFixableWarning($error, $lastItem, 'LastComma'); |
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if ($fix === true) { |
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$phpcsFile->fixer->beginChangeset(); |
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$phpcsFile->fixer->replaceToken($lastItem, ''); |
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$phpcsFile->fixer->endChangeset(); |
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} |
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return; |
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} |
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// Inline array must not have spaces within parenthesis. |
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if ($content !== ($arrayStart + 1)) { |
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$error = 'Space found after opening parenthesis of Array'; |
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$fix = $phpcsFile->addFixableError($error, $stackPtr, 'SpaceAfterOpen'); |
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if ($fix === true) { |
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$phpcsFile->fixer->beginChangeset(); |
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for ($i = ($arrayStart + 1); $i < $content; $i++) { |
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$phpcsFile->fixer->replaceToken($i, ''); |
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} |
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$phpcsFile->fixer->endChangeset(); |
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} |
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} |
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if ($lastItem !== ($arrayEnd - 1)) { |
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$error = 'Space found before closing parenthesis of Array'; |
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$fix = $phpcsFile->addFixableError($error, $stackPtr, 'SpaceBeforeClose'); |
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if ($fix === true) { |
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$phpcsFile->fixer->beginChangeset(); |
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for ($i = ($lastItem + 1); $i < $arrayEnd; $i++) { |
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$phpcsFile->fixer->replaceToken($i, ''); |
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} |
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$phpcsFile->fixer->endChangeset(); |
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} |
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} |
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}//end if |
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}//end process() |
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}//end class |
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If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check:
If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue.