<?php
/**
* Ensures the file does not end with a newline character.
*
* @author Greg Sherwood <gsherwood@squiz.net>
* @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
* @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 EndFileNoNewlineSniff implements Sniff
{
/**
* A list of tokenizers this sniff supports.
*
* @var array
*/
public $supportedTokenizers = [
'PHP',
'JS',
'CSS',
];
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return [
T_OPEN_TAG,
T_OPEN_TAG_WITH_ECHO,
];
}//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 int
*/
public function process(File $phpcsFile, $stackPtr)
{
// Skip to the end of the file.
$tokens = $phpcsFile->getTokens();
$stackPtr = ($phpcsFile->numTokens - 1);
if ($tokens[$stackPtr]['content'] === '') {
--$stackPtr;
}
$eolCharLen = strlen($phpcsFile->eolChar);
$lastChars = substr($tokens[$stackPtr]['content'], ($eolCharLen * -1));
if ($lastChars === $phpcsFile->eolChar) {
$error = 'File must not end with a newline character';
$fix = $phpcsFile->addFixableError($error, $stackPtr, 'Found');
if ($fix === true) {
$phpcsFile->fixer->beginChangeset();
for ($i = $stackPtr; $i > 0; $i--) {
$newContent = rtrim($tokens[$i]['content'], $phpcsFile->eolChar);
$phpcsFile->fixer->replaceToken($i, $newContent);
if ($newContent !== '') {
break;
}
}
$phpcsFile->fixer->endChangeset();
}
}
// Ignore the rest of the file.
return ($phpcsFile->numTokens + 1);
}//end process()
}//end class