<?php
/**
* Checks that only one trait is declared per file.
*
* @author Alexander Obuhovich <aik.bold@gmail.com>
* @copyright 2010-2014 Alexander Obuhovich
* @license https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
*/
namespace PHP_CodeSniffer\Standards\Generic\Sniffs\Files;
use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
class OneTraitPerFileSniff implements Sniff
{
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return [T_TRAIT];
}//end register()
/**
* Processes this sniff, 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)
{
$nextClass = $phpcsFile->findNext($this->register(), ($stackPtr + 1));
if ($nextClass !== false) {
$error = 'Only one trait is allowed in a file';
$phpcsFile->addError($error, $nextClass, 'MultipleFound');
}
}//end process()
}//end class