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* Squiz_Sniffs_CSS_DuplicateClassDefinitionSniff.
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* @package PHP_CodeSniffer
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* @author Greg Sherwood <gsherwood@squiz.net>
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* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
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* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
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* @link http://pear.php.net/package/PHP_CodeSniffer
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* Squiz_Sniffs_CSS_DuplicateClassDefinitionSniff.
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* Check for duplicate class definitions that can be merged into one.
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* @package PHP_CodeSniffer
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* @author Greg Sherwood <gsherwood@squiz.net>
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* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
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* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
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* @version Release: 1.3.4
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* @link http://pear.php.net/package/PHP_CodeSniffer
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class Squiz_Sniffs_CSS_DuplicateClassDefinitionSniff implements PHP_CodeSniffer_Sniff
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* A list of tokenizers this sniff supports.
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public $supportedTokenizers = array('CSS');
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* Returns the token types that this sniff is interested in.
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public function register()
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return array(T_OPEN_TAG);
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* Processes the tokens that this sniff is interested in.
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* @param PHP_CodeSniffer_File $phpcsFile The file where the token was found.
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* @param int $stackPtr The position in the stack where
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* the token was found.
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public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
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$tokens = $phpcsFile->getTokens();
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// Find the content of each class definition name.
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$classNames = array();
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$next = $phpcsFile->findNext(T_OPEN_CURLY_BRACKET, ($stackPtr + 1));
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if ($next === false) {
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// No class definitions in the file.
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T_CLOSE_CURLY_BRACKET,
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while ($next !== false) {
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$prev = $phpcsFile->findPrevious($find, ($next - 1));
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// Create a sorted name for the class so we can compare classes
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// even when the individual names are all over the place.
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for ($i = ($prev + 1); $i < $next; $i++) {
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$name .= $tokens[$i]['content'];
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$name = str_replace("\n", ' ', $name);
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$name = preg_replace('|[\s]+|', ' ', $name);
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$name = str_replace(', ', ',', $name);
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$names = explode(',', $name);
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$name = implode(',', $names);
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if (isset($classNames[$name]) === true) {
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$first = $classNames[$name];
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$error = 'Duplicate class definition found; first defined on line %s';
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$data = array($tokens[$first]['line']);
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$phpcsFile->addError($error, $next, 'Found', $data);
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$classNames[$name] = $next;
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$next = $phpcsFile->findNext(T_OPEN_CURLY_BRACKET, ($next + 1));
b'\\ No newline at end of file'