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<?php
/**
* Reports errors if the same class or interface name is used in multiple files.
*
* PHP version 5
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
/**
* Reports errors if the same class or interface name is used in multiple files.
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @version Release: 1.3.4
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
class Generic_Sniffs_Classes_DuplicateClassNameSniff implements PHP_CodeSniffer_MultiFileSniff
{
/**
* Called once per script run to allow for processing of this sniff.
*
* @param array(PHP_CodeSniffer_File) $files The PHP_CodeSniffer files processed
* during the script run.
*
* @return void
*/
public function process(array $files)
{
$foundClasses = array();
foreach ($files as $phpcsFile) {
$tokens = $phpcsFile->getTokens();
$namespace = '';
$stackPtr = $phpcsFile->findNext(array(T_CLASS, T_INTERFACE, T_NAMESPACE), 0);
while ($stackPtr !== false) {
// Keep track of what namespace we are in.
if ($tokens[$stackPtr]['code'] === T_NAMESPACE) {
$nsEnd = $phpcsFile->findNext(
array(T_NS_SEPARATOR, T_STRING, T_WHITESPACE),
($stackPtr + 1),
null,
true
);
$namespace = trim($phpcsFile->getTokensAsString(($stackPtr + 1), ($nsEnd - $stackPtr - 1)));
$stackPtr = $nsEnd;
} else {
$nameToken = $phpcsFile->findNext(T_STRING, $stackPtr);
$name = $tokens[$nameToken]['content'];
if ($namespace !== '') {
$name = $namespace.'\\'.$name;
}
$compareName = strtolower($name);
if (isset($foundClasses[$compareName]) === true) {
$type = strtolower($tokens[$stackPtr]['content']);
$file = $foundClasses[$compareName]['file'];
$line = $foundClasses[$compareName]['line'];
$error = 'Duplicate %s name "%s" found; first defined in %s on line %s';
$data = array(
$type,
$name,
$file,
$line,
);
$phpcsFile->addWarning($error, $stackPtr, 'Found', $data);
} else {
$foundClasses[$compareName] = array(
'file' => $phpcsFile->getFilename(),
'line' => $tokens[$stackPtr]['line'],
);
}
}
$stackPtr = $phpcsFile->findNext(array(T_CLASS, T_INTERFACE, T_NAMESPACE), ($stackPtr + 1));
}//end while
}//end foreach
}//end process()
}//end class
?>
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