<?php
/**
* Check for duplicate style definitions in the same class.
*
* @author Greg Sherwood <gsherwood@squiz.net>
* @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
* @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
*/
namespace PHP_CodeSniffer\Standards\Squiz\Sniffs\CSS;
use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
class DuplicateStyleDefinitionSniff implements Sniff
{
/**
* A list of tokenizers this sniff supports.
*
* @var array
*/
public $supportedTokenizers = ['CSS'];
/**
* Returns the token types that this sniff is interested in.
*
* @return int[]
*/
public function register()
{
return [T_OPEN_CURLY_BRACKET];
}//end register()
/**
* Processes the tokens that this sniff is interested in.
*
* @param \PHP_CodeSniffer\Files\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(File $phpcsFile, $stackPtr)
{
$tokens = $phpcsFile->getTokens();
if (isset($tokens[$stackPtr]['bracket_closer']) === false) {
// Syntax error or live coding, bow out.
return;
}
// Find the content of each style definition name.
$styleNames = [];
$next = $stackPtr;
$end = $tokens[$stackPtr]['bracket_closer'];
do {
$next = $phpcsFile->findNext([T_STYLE, T_OPEN_CURLY_BRACKET], ($next + 1), $end);
if ($next === false) {
// Class definition is empty.
break;
}
if ($tokens[$next]['code'] === T_OPEN_CURLY_BRACKET) {
$next = $tokens[$next]['bracket_closer'];
continue;
}
$name = $tokens[$next]['content'];
if (isset($styleNames[$name]) === true) {
$first = $styleNames[$name];
$error = 'Duplicate style definition found; first defined on line %s';
$data = [$tokens[$first]['line']];
$phpcsFile->addError($error, $next, 'Found', $data);
} else {
$styleNames[$name] = $next;
}
} while ($next !== false);
}//end process()
}//end class