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* Squiz_Sniffs_Arrays_ArrayBracketSpacingSniff.
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* @package PHP_CodeSniffer
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* @author Greg Sherwood <gsherwood@squiz.net>
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* @author Marc McIntyre <mmcintyre@squiz.net>
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* @copyright 2006-2012 Squiz Pty Ltd (ABN 77 084 670 600)
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* @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
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* @link http://pear.php.net/package/PHP_CodeSniffer
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* Squiz_Sniffs_Arrays_ArrayBracketSpacingSniff.
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* Ensure that there are no spaces around square brackets.
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* @package PHP_CodeSniffer
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* @author Greg Sherwood <gsherwood@squiz.net>
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* @author Marc McIntyre <mmcintyre@squiz.net>
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* @copyright 2006-2012 Squiz Pty Ltd (ABN 77 084 670 600)
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* @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
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* @version Release: 1.5.0RC2
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* @link http://pear.php.net/package/PHP_CodeSniffer
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class Squiz_Sniffs_Arrays_ArrayBracketSpacingSniff implements PHP_CodeSniffer_Sniff
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* Returns an array of tokens this test wants to listen for.
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public function register()
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T_OPEN_SQUARE_BRACKET,
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T_CLOSE_SQUARE_BRACKET,
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* Processes this sniff, when one of its tokens is encountered.
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* @param PHP_CodeSniffer_File $phpcsFile The current file being checked.
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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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public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
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$tokens = $phpcsFile->getTokens();
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// PHP 5.4 introduced a shorthand array declaration syntax, so we need
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// to ignore the these type of array declarations because this sniff is
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// only dealing with array usage.
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if ($tokens[$stackPtr]['code'] === T_OPEN_SQUARE_BRACKET) {
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$openBracket = $stackPtr;
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$openBracket = $tokens[$stackPtr]['bracket_opener'];
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$prev = $phpcsFile->findPrevious(PHP_CodeSniffer_Tokens::$emptyTokens, ($openBracket - 1), null, true);
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if ($tokens[$prev]['code'] === T_EQUAL) {
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// Square brackets can not have a space before them.
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$prevType = $tokens[($stackPtr - 1)]['code'];
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if (in_array($prevType, PHP_CodeSniffer_Tokens::$emptyTokens) === true) {
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$nonSpace = $phpcsFile->findPrevious(PHP_CodeSniffer_Tokens::$emptyTokens, ($stackPtr - 2), null, true);
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$expected = $tokens[$nonSpace]['content'].$tokens[$stackPtr]['content'];
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$found = $phpcsFile->getTokensAsString($nonSpace, ($stackPtr - $nonSpace)).$tokens[$stackPtr]['content'];
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$error = 'Space found before square bracket; expected "%s" but found "%s"';
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$phpcsFile->addError($error, $stackPtr, 'SpaceBeforeBracket', $data);
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// Open square brackets can't ever have spaces after them.
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if ($tokens[$stackPtr]['code'] === T_OPEN_SQUARE_BRACKET) {
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$nextType = $tokens[($stackPtr + 1)]['code'];
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if (in_array($nextType, PHP_CodeSniffer_Tokens::$emptyTokens) === true) {
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$nonSpace = $phpcsFile->findNext(PHP_CodeSniffer_Tokens::$emptyTokens, ($stackPtr + 2), null, true);
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$expected = $tokens[$stackPtr]['content'].$tokens[$nonSpace]['content'];
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$found = $phpcsFile->getTokensAsString($stackPtr, ($nonSpace - $stackPtr + 1));
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$error = 'Space found after square bracket; expected "%s" but found "%s"';
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$phpcsFile->addError($error, $stackPtr, 'SpaceAfterBracket', $data);