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<?php
/**
* Generic_Sniffs_Files_LineLengthSniff.
*
* PHP version 5
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@squiz.net>
* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
/**
* Generic_Sniffs_Files_LineLengthSniff.
*
* Checks all lines in the file, and throws warnings if they are over 80
* characters in length and errors if they are over 100. Both these
* figures can be changed by extending this sniff in your own standard.
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@squiz.net>
* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @version Release: 1.3.3
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
class Generic_Sniffs_Files_LineLengthSniff implements PHP_CodeSniffer_Sniff
{
/**
* The limit that the length of a line should not exceed.
*
* @var int
*/
public $lineLimit = 80;
/**
* The limit that the length of a line must not exceed.
*
* Set to zero (0) to disable.
*
* @var int
*/
public $absoluteLineLimit = 100;
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return array(T_OPEN_TAG);
}//end register()
/**
* Processes this test, when one of its tokens is encountered.
*
* @param PHP_CodeSniffer_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(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
{
$tokens = $phpcsFile->getTokens();
// Make sure this is the first open tag.
$previousOpenTag = $phpcsFile->findPrevious(T_OPEN_TAG, ($stackPtr - 1));
if ($previousOpenTag !== false) {
return;
}
$tokenCount = 0;
$currentLineContent = '';
$currentLine = 1;
$trim = (strlen($phpcsFile->eolChar) * -1);
for (; $tokenCount < $phpcsFile->numTokens; $tokenCount++) {
if ($tokens[$tokenCount]['line'] === $currentLine) {
$currentLineContent .= $tokens[$tokenCount]['content'];
} else {
$currentLineContent = substr($currentLineContent, 0, $trim);
$this->checkLineLength($phpcsFile, ($tokenCount - 1), $currentLineContent);
$currentLineContent = $tokens[$tokenCount]['content'];
$currentLine++;
}
}
$currentLineContent = substr($currentLineContent, 0, $trim);
$this->checkLineLength($phpcsFile, ($tokenCount - 1), $currentLineContent);
}//end process()
/**
* Checks if a line is too long.
*
* @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
* @param int $stackPtr The token at the end of the line.
* @param string $lineContent The content of the line.
*
* @return void
*/
protected function checkLineLength(PHP_CodeSniffer_File $phpcsFile, $stackPtr, $lineContent)
{
// If the content is a CVS or SVN id in a version tag, or it is
// a license tag with a name and URL, there is nothing the
// developer can do to shorten the line, so don't throw errors.
if (preg_match('|@version[^\$]+\$Id|', $lineContent) !== 0) {
return;
}
if (preg_match('|@license|', $lineContent) !== 0) {
return;
}
if (PHP_CODESNIFFER_ENCODING !== 'iso-8859-1') {
// Not using the detault encoding, so take a bit more care.
$lineLength = iconv_strlen($lineContent, PHP_CODESNIFFER_ENCODING);
if ($lineLength === false) {
// String contained invalid characters, so revert to default.
$lineLength = strlen($lineContent);
}
} else {
$lineLength = strlen($lineContent);
}
if ($this->absoluteLineLimit > 0
&& $lineLength > $this->absoluteLineLimit
) {
$data = array(
$this->absoluteLineLimit,
$lineLength,
);
$error = 'Line exceeds maximum limit of %s characters; contains %s characters';
$phpcsFile->addError($error, $stackPtr, 'MaxExceeded', $data);
} else if ($lineLength > $this->lineLimit) {
$data = array(
$this->lineLimit,
$lineLength,
);
$warning = 'Line exceeds %s characters; contains %s characters';
$phpcsFile->addWarning($warning, $stackPtr, 'TooLong', $data);
}
}//end checkLineLength()
}//end class
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