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<?php
/**
* Squiz_Sniffs_CSS_OpacitySniff.
*
* 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
*/
/**
* Squiz_Sniffs_CSS_OpacitySniff.
*
* Ensure that opacity values start with a 0 if it is not a whole number.
*
* @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: 1.3.3
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
class Squiz_Sniffs_CSS_OpacitySniff implements PHP_CodeSniffer_Sniff
{
/**
* A list of tokenizers this sniff supports.
*
* @var array
*/
public $supportedTokenizers = array('CSS');
/**
* Returns the token types that this sniff is interested in.
*
* @return array(int)
*/
public function register()
{
return array(T_STYLE);
}//end register()
/**
* Processes the tokens that this sniff is interested in.
*
* @param PHP_CodeSniffer_File $phpcsFile The file where the token was found.
* @param int $stackPtr The position in the stack where
* the token was found.
*
* @return void
*/
public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
{
$tokens = $phpcsFile->getTokens();
if ($tokens[$stackPtr]['content'] !== 'opacity') {
return;
}
$next = $phpcsFile->findNext(array(T_COLON, T_WHITESPACE), ($stackPtr + 1), null, true);
$numbers = array(
T_DNUMBER,
T_LNUMBER,
);
if ($next === false || in_array($tokens[$next]['code'], $numbers) === false) {
return;
}
$value = $tokens[$next]['content'];
if ($tokens[$next]['code'] === T_LNUMBER) {
if ($value !== '0' && $value !== '1') {
$error = 'Opacity values must be between 0 and 1';
$phpcsFile->addError($error, $next, 'Invalid');
}
} else {
if (strlen($value) > 3) {
$error = 'Opacity values must have a single value after the decimal point';
$phpcsFile->addError($error, $next, 'SpacingAfterPoint');
} else if ($value === '0.0' || $value === '1.0') {
$error = 'Opacity value does not require decimal point; use %s instead';
$data = array($value{0});
$phpcsFile->addError($error, $next, 'PointNotRequired', $data);
} else if ($value{0} === '.') {
$error = 'Opacity values must not start with a decimal point; use 0%s instead';
$data = array($value);
$phpcsFile->addError($error, $next, 'StartWithPoint', $data);
} else if ($value{0} !== '0') {
$error = 'Opacity values must be between 0 and 1';
$phpcsFile->addError($error, $next, 'Invalid');
}
}//end if
}//end process()
}//end class
?>
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