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✏️ Editing: ForbiddenStylesSniff.php

<?php
/**
 * Bans the use of some styles, such as deprecated or browser-specific styles.
 *
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/HEAD/licence.txt BSD Licence
 *
 * @deprecated 3.9.0
 */

namespace PHP_CodeSniffer\Standards\Squiz\Sniffs\CSS;

use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\DeprecatedSniff;
use PHP_CodeSniffer\Sniffs\Sniff;

class ForbiddenStylesSniff implements Sniff, DeprecatedSniff
{

/**
     * A list of tokenizers this sniff supports.
     *
     * @var array
     */
    public $supportedTokenizers = ['CSS'];

/**
     * A list of forbidden styles with their alternatives.
     *
     * The value is NULL if no alternative exists. i.e., the
     * style should just not be used.
     *
     * @var array<string, string|null>
     */
    protected $forbiddenStyles = [
        '-moz-border-radius'             => 'border-radius',
        '-webkit-border-radius'          => 'border-radius',
        '-moz-border-radius-topleft'     => 'border-top-left-radius',
        '-moz-border-radius-topright'    => 'border-top-right-radius',
        '-moz-border-radius-bottomright' => 'border-bottom-right-radius',
        '-moz-border-radius-bottomleft'  => 'border-bottom-left-radius',
        '-moz-box-shadow'                => 'box-shadow',
        '-webkit-box-shadow'             => 'box-shadow',
    ];

/**
     * A cache of forbidden style names, for faster lookups.
     *
     * @var string[]
     */
    protected $forbiddenStyleNames = [];

/**
     * If true, forbidden styles will be considered regular expressions.
     *
     * @var boolean
     */
    protected $patternMatch = false;

/**
     * If true, an error will be thrown; otherwise a warning.
     *
     * @var boolean
     */
    public $error = true;

/**
     * Returns an array of tokens this test wants to listen for.
     *
     * @return array<int|string>
     */
    public function register()
    {
        $this->forbiddenStyleNames = array_keys($this->forbiddenStyles);

if ($this->patternMatch === true) {
            foreach ($this->forbiddenStyleNames as $i => $name) {
                $this->forbiddenStyleNames[$i] = '/'.$name.'/i';
            }
        }

return [T_STYLE];

}//end register()

/**
     * Processes this test, when one of its tokens is encountered.
     *
     * @param \PHP_CodeSniffer\Files\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(File $phpcsFile, $stackPtr)
    {
        $tokens  = $phpcsFile->getTokens();
        $style   = strtolower($tokens[$stackPtr]['content']);
        $pattern = null;

if ($this->patternMatch === true) {
            $count   = 0;
            $pattern = preg_replace(
                $this->forbiddenStyleNames,
                $this->forbiddenStyleNames,
                $style,
                1,
                $count
            );

if ($count === 0) {
                return;
            }

// Remove the pattern delimiters and modifier.
            $pattern = substr($pattern, 1, -2);
        } else {
            if (in_array($style, $this->forbiddenStyleNames, true) === false) {
                return;
            }
        }//end if

$this->addError($phpcsFile, $stackPtr, $style, $pattern);

}//end process()

/**
     * Generates the error or warning for this sniff.
     *
     * @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.
     * @param int                         $stackPtr  The position of the forbidden style
     *                                               in the token array.
     * @param string                      $style     The name of the forbidden style.
     * @param string                      $pattern   The pattern used for the match.
     *
     * @return void
     */
    protected function addError($phpcsFile, $stackPtr, $style, $pattern=null)
    {
        $data  = [$style];
        $error = 'The use of style %s is ';
        if ($this->error === true) {
            $type   = 'Found';
            $error .= 'forbidden';
        } else {
            $type   = 'Discouraged';
            $error .= 'discouraged';
        }

if ($pattern === null) {
            $pattern = $style;
        }

if ($this->forbiddenStyles[$pattern] !== null) {
            $data[] = $this->forbiddenStyles[$pattern];
            if ($this->error === true) {
                $fix = $phpcsFile->addFixableError($error.'; use %s instead', $stackPtr, $type.'WithAlternative', $data);
            } else {
                $fix = $phpcsFile->addFixableWarning($error.'; use %s instead', $stackPtr, $type.'WithAlternative', $data);
            }

if ($fix === true) {
                $phpcsFile->fixer->replaceToken($stackPtr, $this->forbiddenStyles[$pattern]);
            }
        } else {
            if ($this->error === true) {
                $phpcsFile->addError($error, $stackPtr, $type, $data);
            } else {
                $phpcsFile->addWarning($error, $stackPtr, $type, $data);
            }
        }

}//end addError()

/**
     * Provide the version number in which the sniff was deprecated.
     *
     * @return string
     */
    public function getDeprecationVersion()
    {
        return 'v3.9.0';

}//end getDeprecationVersion()

/**
     * Provide the version number in which the sniff will be removed.
     *
     * @return string
     */
    public function getRemovalVersion()
    {
        return 'v4.0.0';

}//end getRemovalVersion()

/**
     * Provide a custom message to display with the deprecation.
     *
     * @return string
     */
    public function getDeprecationMessage()
    {
        return 'Support for scanning CSS files will be removed completely in v4.0.0.';

}//end getDeprecationMessage()

}//end class

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