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✏️ Editing: ShorthandSizeSniff.php

<?php
/**
 * Ensure sizes are defined using shorthand notation where possible.
 *
 * @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 ShorthandSizeSniff implements Sniff, DeprecatedSniff
{

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

/**
     * A list of styles that we shouldn't check.
     *
     * These have values that looks like sizes, but are not.
     *
     * @var array
     */
    protected $excludeStyles = [
        'background-position'      => 'background-position',
        'box-shadow'               => 'box-shadow',
        'transform-origin'         => 'transform-origin',
        '-webkit-transform-origin' => '-webkit-transform-origin',
        '-ms-transform-origin'     => '-ms-transform-origin',
    ];

/**
     * Returns the token types that this sniff is interested in.
     *
     * @return array<int|string>
     */
    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)
    {
        $tokens = $phpcsFile->getTokens();

// Some styles look like shorthand but are not actually a set of 4 sizes.
        $style = strtolower($tokens[$stackPtr]['content']);
        if (isset($this->excludeStyles[$style]) === true) {
            return;
        }

$end = $phpcsFile->findNext(T_SEMICOLON, ($stackPtr + 1));
        if ($end === false) {
            // Live coding or parse error.
            return;
        }

// Get the whole style content.
        $origContent = $phpcsFile->getTokensAsString(($stackPtr + 1), ($end - $stackPtr - 1));
        $origContent = trim($origContent, ':');
        $origContent = trim($origContent);

// Account for a !important annotation.
        $content = $origContent;
        if (substr($content, -10) === '!important') {
            $content = substr($content, 0, -10);
            $content = trim($content);
        }

// Check if this style value is a set of numbers with optional prefixes.
        $content = preg_replace('/\s+/', ' ', $content);
        $values  = [];
        $num     = preg_match_all(
            '/(?:[0-9]+)(?:[a-zA-Z]{2}\s+|%\s+|\s+)/',
            $content.' ',
            $values,
            PREG_SET_ORDER
        );

// Only interested in styles that have multiple sizes defined.
        if ($num < 2) {
            return;
        }

// Rebuild the content we matched to ensure we got everything.
        $matched = '';
        foreach ($values as $value) {
            $matched .= $value[0];
        }

if ($content !== trim($matched)) {
            return;
        }

if ($num === 3) {
            $expected = trim($content.' '.$values[1][0]);
            $error    = 'Shorthand syntax not allowed here; use %s instead';
            $data     = [$expected];
            $fix      = $phpcsFile->addFixableError($error, $stackPtr, 'NotAllowed', $data);

if ($fix === true) {
                $phpcsFile->fixer->beginChangeset();
                if (substr($origContent, -10) === '!important') {
                    $expected .= ' !important';
                }

$next = $phpcsFile->findNext(T_WHITESPACE, ($stackPtr + 2), null, true);
                $phpcsFile->fixer->replaceToken($next, $expected);
                for ($next++; $next < $end; $next++) {
                    $phpcsFile->fixer->replaceToken($next, '');
                }

$phpcsFile->fixer->endChangeset();
            }

return;
        }//end if

if ($num === 2) {
            if ($values[0][0] !== $values[1][0]) {
                // Both values are different, so it is already shorthand.
                return;
            }
        } else if ($values[0][0] !== $values[2][0] || $values[1][0] !== $values[3][0]) {
            // Can't shorthand this.
            return;
        }

if ($values[0][0] === $values[1][0]) {
            // All values are the same.
            $expected = trim($values[0][0]);
        } else {
            $expected = trim($values[0][0]).' '.trim($values[1][0]);
        }

$error = 'Size definitions must use shorthand if available; expected "%s" but found "%s"';
        $data  = [
            $expected,
            $content,
        ];

$fix = $phpcsFile->addFixableError($error, $stackPtr, 'NotUsed', $data);
        if ($fix === true) {
            $phpcsFile->fixer->beginChangeset();
            if (substr($origContent, -10) === '!important') {
                $expected .= ' !important';
            }

$next = $phpcsFile->findNext(T_COLON, ($stackPtr + 1));
            $phpcsFile->fixer->addContent($next, ' '.$expected);
            for ($next++; $next < $end; $next++) {
                $phpcsFile->fixer->replaceToken($next, '');
            }

$phpcsFile->fixer->endChangeset();
        }

}//end process()

/**
     * 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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