ZenifyCodingStandard\Sniffs\WhiteSpace\ExclamationMarkSniff

Complexity

Total Complexity

8

Size/Duplication

Total Lines	57
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Test Coverage

Coverage

100%

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	register()	0	4	1
A	process()	0	16	4
A	fixSpacesAroundExclamationMark()	0	10	3

<?php

declare(strict_types = 1);

/*
 * This file is part of Zenify
 * Copyright (c) 2012 Tomas Votruba (http://tomasvotruba.cz)
 */

namespace ZenifyCodingStandard\Sniffs\WhiteSpace;

use PHP_CodeSniffer_File;
use PHP_CodeSniffer_Sniff;


/**
 * Rules:
 * - Not operator (!) should be surrounded by spaces.
 */
final class ExclamationMarkSniff implements PHP_CodeSniffer_Sniff
{

	/**
	 * @var string
	 */
	const NAME = 'ZenifyCodingStandard.WhiteSpace.ExclamationMark';

	/**
	 * @var PHP_CodeSniffer_File
	 */
	private $file;


	/**
	 * @return int[]
	 */
	public function register() : array
	{
		return [T_BOOLEAN_NOT];
	}


	/**
	 * @param PHP_CodeSniffer_File $file
	 * @param int $position
	 */
	public function process(PHP_CodeSniffer_File $file, $position)
	{
		$this->file = $file;

		$tokens = $file->getTokens();
		$hasSpaceBefore = $tokens[$position - 1]['code'] === T_WHITESPACE;
		$hasSpaceAfter = $tokens[$position + 1]['code'] === T_WHITESPACE;

		if ( ! $hasSpaceBefore || ! $hasSpaceAfter) {
			$error = 'Not operator (!) should be surrounded by spaces.';
			$fix = $file->addFixableError($error, $position);
			if ($fix) {
				$this->fixSpacesAroundExclamationMark($position, $hasSpaceBefore, $hasSpaceAfter);
			}
		}
	}


	private function fixSpacesAroundExclamationMark(int $position, bool $isSpaceBefore, bool $isSpaceAfter)
	{
		if ( ! $isSpaceBefore) {
			$this->file->fixer->addContentBefore($position, ' ');
		}

		if ( ! $isSpaceAfter) {
			$this->file->fixer->addContentBefore($position + 1, ' ');
		}
	}

}