/script/lib/PHP/CodeSniffer/Standards/MySource/Sniffs/CSS/BrowserSpecificStylesSniff.php

<?php

/**
 * MySource_Sniffs_CSS_BrowserSpecificStylesSniff.
 *
 * PHP version 5
 *
 * @category  PHP
 * @package   PHP_CodeSniffer
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
 * @version   CVS: $Id: ForbiddenStylesSniff.php 268254 2008-11-04 05:08:07Z squiz $
 * @link      http://pear.php.net/package/PHP_CodeSniffer
 */



/**
 * MySource_Sniffs_CSS_BrowserSpecificStylesSniff.
 *
 * Ensure that browser-specific styles are not used.
 *
 * @category  PHP
 * @package   PHP_CodeSniffer
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
 * @version   Release: 1.2.2
 * @link      http://pear.php.net/package/PHP_CodeSniffer
 */

class MySource_Sniffs_CSS_BrowserSpecificStylesSniff implements PHP_CodeSniffer_Sniff

{

    

    /**
     * A list of tokenizers this sniff supports.
     *
     * @var array
     */

    public $supportedTokenizers = array('CSS');

    

    /**
     * A list of specific stylsheet suffixes we allow.
     *
     * These stylsheets contain browser specific styles
     * so this sniff ignore them files in the form:
     * *_moz.css and *_ie7.css etc.
     *
     * @var array
     */

    protected $specificStylesheets = array('moz', 'ie', 'ie7', 'ie8', 'webkit');



    /**
     * 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)

    {

        // 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 (in_array($specific, $this->specificStylesheets) === 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
?>