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<?php
/**
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 */
namespace MediaWiki\Sniffs\AlternativeSyntax;
use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
class LeadingZeroInFloatSniff implements Sniff {
    /**
     * T_DNUMBER is any floating point number
     *
     * @inheritDoc
     */
    public function register() : array {
        return [
            T_DNUMBER,
        ];
    }
    /**
     * If the float starts with a period, it needs
     * a zero in front
     *
     * @param File $phpcsFile File
     * @param int $stackPtr Location
     * @return void
     */
    public function process( File $phpcsFile, $stackPtr ) {
        $tokens = $phpcsFile->getTokens();
        $content = $tokens[$stackPtr]['content'];
        if ( $content[0] === '.' ) {
            // Starts with a ., needs a leading 0.
            $fix = $phpcsFile->addFixableWarning(
                'Floats should have a leading 0',
                $stackPtr,
                'Found'
            );
            if ( $fix ) {
                $phpcsFile->fixer->addContentBefore( $stackPtr, '0' );
            }
        }
    }
}