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<?php
/**
* Generic_Sniffs_PHP_LowerCaseConstantSniff.
*
* PHP version 5
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@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
*/
/**
* Generic_Sniffs_PHP_LowerCaseConstantSniff.
*
* Checks that all uses of true, false and null are lowerrcase.
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@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: 1.3.3
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
class Generic_Sniffs_PHP_LowerCaseConstantSniff implements PHP_CodeSniffer_Sniff
{
/**
* A list of tokenizers this sniff supports.
*
* @var array
*/
public $supportedTokenizers = array(
'PHP',
'JS',
);
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return array(
T_TRUE,
T_FALSE,
T_NULL,
);
}//end register()
/**
* Processes this sniff, when one of its tokens is encountered.
*
* @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
* @param int $stackPtr The position of the current token in the
* stack passed in $tokens.
*
* @return void
*/
public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
{
$tokens = $phpcsFile->getTokens();
// Is this a member var name?
$prevPtr = $phpcsFile->findPrevious(T_WHITESPACE, ($stackPtr - 1), null, true);
if ($tokens[$prevPtr]['code'] === T_OBJECT_OPERATOR) {
return;
}
$keyword = $tokens[$stackPtr]['content'];
if (strtolower($keyword) !== $keyword) {
$error = 'TRUE, FALSE and NULL must be lowercase; expected "%s" but found "%s"';
$data = array(
strtolower($keyword),
$keyword,
);
$phpcsFile->addError($error, $stackPtr, 'Found', $data);
}
}//end process()
}//end class
?>
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