<?php
/**
* Ensure that browser-specific styles are not used.
*
* @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\MySource\Sniffs\CSS;
use PHP_CodeSniffer\Sniffs\Sniff;
use PHP_CodeSniffer\Files\File;
class BrowserSpecificStylesSniff implements Sniff
{
/**
* A list of tokenizers this sniff supports.
*
* @var array
*/
public $supportedTokenizers = ['CSS'];
/**
* A list of specific stylesheet suffixes we allow.
*
* These stylesheets contain browser specific styles
* so this sniff ignore them files in the form:
* *_moz.css and *_ie7.css etc.
*
* @var array
*/
protected $specificStylesheets = [
'moz' => true,
'ie' => true,
'ie7' => true,
'ie8' => true,
'webkit' => true,
];
/**
* Returns the token types that this sniff is interested in.
*
* @return int[]
*/
public function register()
{
return [T_STYLE];
}//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)
{
// Ignore files with browser-specific suffixes.
$filename = $phpcsFile->getFilename();
$breakChar = strrpos($filename, '_');
if ($breakChar !== false && substr($filename, -4) === '.css') {
$specific = substr($filename, ($breakChar + 1), -4);
if (isset($this->specificStylesheets[$specific]) === true) {
return;
}
}
$tokens = $phpcsFile->getTokens();
$content = $tokens[$stackPtr]['content'];
if ($content[0] === '-') {
$error = 'Browser-specific styles are not allowed';
$phpcsFile->addError($error, $stackPtr, 'ForbiddenStyle');
}
}//end process()
}//end class