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<?php
/**
*
* @package code_sniffer
* @version $Id: $
* @copyright (c) 2007 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
/**
* Checks that each source file contains the standard header.
*
* Based on Coding Guidelines 1.ii File Header.
*
* @package code_sniffer
* @author Manuel Pichler <mapi@phpundercontrol.org>
*/
class phpbb_Sniffs_Commenting_FileCommentSniff implements PHP_CodeSniffer_Sniff
{
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return array(T_OPEN_TAG);
}
/**
* 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, $stackPtr)
{
// We are only interested in the first file comment.
if ($stackPtr !== 0)
{
if ($phpcsFile->findPrevious(T_OPEN_TAG, $stackPtr - 1) !== false)
{
return;
}
}
// Fetch next non whitespace token
$tokens = $phpcsFile->getTokens();
$start = $phpcsFile->findNext(T_WHITESPACE, $stackPtr + 1, null, true);
// Skip empty files
if ($tokens[$start]['code'] === T_CLOSE_TAG)
{
return;
}
// Mark as error if this is not a doc comment
else if ($start === false || $tokens[$start]['code'] !== T_DOC_COMMENT)
{
$phpcsFile->addError('Missing required file doc comment.', $stackPtr);
return;
}
// Find comment end token
$end = $phpcsFile->findNext(T_DOC_COMMENT, $start + 1, null, true) - 1;
// If there is no end, skip processing here
if ($end === false)
{
return;
}
// List of found comment tags
$tags = array();
// check comment lines without the first(/**) an last(*/) line
for ($i = $start + 1, $c = ($end - $start); $i <= $c; ++$i)
{
$line = $tokens[$i]['content'];
// Check that each line starts with a '*'
if (substr($line, 0, 1) !== '*')
{
$message = 'The file doc comment should not be idented.';
$phpcsFile->addWarning($message, $i);
}
else if (preg_match('/^\*\s+@([\w]+)\s+(.*)$/', $line, $match) !== 0)
{
$tags[$match[1]] = array($match[2], $i);
}
}
// Check that the first and last line is empty
if (trim($tokens[$start + 1]['content']) !== '*')
{
$message = 'The first file comment line should be empty.';
$phpcsFile->addWarning($message, ($start + 1));
}
if (trim($tokens[$end - $start]['content']) !== '*')
{
$message = 'The last file comment line should be empty.';
$phpcsFile->addWarning($message, ($end - $start));
}
$this->processPackage($phpcsFile, $start, $tags);
$this->processVersion($phpcsFile, $start, $tags);
$this->processCopyright($phpcsFile, $start, $tags);
$this->processLicense($phpcsFile, $start, $tags);
//print_r($tags);
}
/**
* Checks that the tags array contains a valid package tag
*
* @param PHP_CodeSniffer_File $phpcsFile The context source file instance.
* @param integer The stack pointer for the first comment token.
* @param array(string=>array) $tags The found file doc comment tags.
*
* @return void
*/
protected function processPackage(PHP_CodeSniffer_File $phpcsFile, $ptr, $tags)
{
if (!isset($tags['package']))
{
$message = 'Missing require @package tag in file doc comment.';
$phpcsFile->addError($message, $ptr);
}
else if (preg_match('/^([\w]+)$/', $tags['package'][0]) === 0)
{
$message = 'Invalid content found for @package tag.';
$phpcsFile->addWarning($message, $tags['package'][1]);
}
}
/**
* Checks that the tags array contains a valid version tag
*
* @param PHP_CodeSniffer_File $phpcsFile The context source file instance.
* @param integer The stack pointer for the first comment token.
* @param array(string=>array) $tags The found file doc comment tags.
*
* @return void
*/
protected function processVersion(PHP_CodeSniffer_File $phpcsFile, $ptr, $tags)
{
if (!isset($tags['version']))
{
$message = 'Missing require @version tag in file doc comment.';
$phpcsFile->addError($message, $ptr);
}
else if (preg_match('/^\$Id:[^\$]+\$$/', $tags['version'][0]) === 0)
{
$message = 'Invalid content found for @version tag, use "$Id: $".';
$phpcsFile->addError($message, $tags['version'][1]);
}
}
/**
* Checks that the tags array contains a valid copyright tag
*
* @param PHP_CodeSniffer_File $phpcsFile The context source file instance.
* @param integer The stack pointer for the first comment token.
* @param array(string=>array) $tags The found file doc comment tags.
*
* @return void
*/
protected function processCopyright(PHP_CodeSniffer_File $phpcsFile, $ptr, $tags)
{
if (!isset($tags['copyright']))
{
$message = 'Missing require @copyright tag in file doc comment.';
$phpcsFile->addError($message, $ptr);
}
else if (preg_match('/^\(c\) 2[0-9]{3} phpBB Group\s*$/', $tags['copyright'][0]) === 0)
{
$message = 'Invalid content found for @copyright tag, use "(c) <year> phpBB Group".';
$phpcsFile->addError($message, $tags['copyright'][1]);
}
}
/**
* Checks that the tags array contains a valid license tag
*
* @param PHP_CodeSniffer_File $phpcsFile The context source file instance.
* @param integer The stack pointer for the first comment token.
* @param array(string=>array) $tags The found file doc comment tags.
*
* @return void
*/
protected function processLicense(PHP_CodeSniffer_File $phpcsFile, $ptr, $tags)
{
$license = 'http://opensource.org/licenses/gpl-license.php GNU Public License';
if (!isset($tags['license']))
{
$message = 'Missing require @license tag in file doc comment.';
$phpcsFile->addError($message, $ptr);
}
else if (trim($tags['license'][0]) !== $license)
{
$message = 'Invalid content found for @license tag, use '
. '"' . $license . '".';
$phpcsFile->addError($message, $tags['license'][1]);
}
}
}
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