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<?php
/**
* Parses and verifies the doc comments for classes.
*
* 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
*/
if (class_exists('PHP_CodeSniffer_CommentParser_ClassCommentParser', true) === false) {
$error = 'Class PHP_CodeSniffer_CommentParser_ClassCommentParser not found';
throw new PHP_CodeSniffer_Exception($error);
}
if (class_exists('PEAR_Sniffs_Commenting_FileCommentSniff', true) === false) {
$error = 'Class PEAR_Sniffs_Commenting_FileCommentSniff not found';
throw new PHP_CodeSniffer_Exception($error);
}
/**
* Parses and verifies the doc comments for classes.
*
* Verifies that :
* <ul>
* <li>A doc comment exists.</li>
* <li>There is a blank newline after the short description.</li>
* <li>There is a blank newline between the long and short description.</li>
* <li>There is a blank newline between the long description and tags.</li>
* <li>Check the order of the tags.</li>
* <li>Check the indentation of each tag.</li>
* <li>Check required and optional tags and the format of their content.</li>
* </ul>
*
* @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 PEAR_Sniffs_Commenting_ClassCommentSniff extends PEAR_Sniffs_Commenting_FileCommentSniff
{
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return array(
T_CLASS,
T_INTERFACE,
);
}//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)
{
$this->currentFile = $phpcsFile;
$tokens = $phpcsFile->getTokens();
$type = strtolower($tokens[$stackPtr]['content']);
$errorData = array($type);
$find = array(
T_ABSTRACT,
T_WHITESPACE,
T_FINAL,
);
// Extract the class comment docblock.
$commentEnd = $phpcsFile->findPrevious($find, ($stackPtr - 1), null, true);
if ($commentEnd !== false && $tokens[$commentEnd]['code'] === T_COMMENT) {
$error = 'You must use "/**" style comments for a %s comment';
$phpcsFile->addError($error, $stackPtr, 'WrongStyle', $errorData);
return;
} else if ($commentEnd === false
|| $tokens[$commentEnd]['code'] !== T_DOC_COMMENT
) {
$phpcsFile->addError('Missing %s doc comment', $stackPtr, 'Missing', $errorData);
return;
}
$commentStart = ($phpcsFile->findPrevious(T_DOC_COMMENT, ($commentEnd - 1), null, true) + 1);
$commentNext = $phpcsFile->findPrevious(T_WHITESPACE, ($commentEnd + 1), $stackPtr, false, $phpcsFile->eolChar);
// Distinguish file and class comment.
$prevClassToken = $phpcsFile->findPrevious(T_CLASS, ($stackPtr - 1));
if ($prevClassToken === false) {
// This is the first class token in this file, need extra checks.
$prevNonComment = $phpcsFile->findPrevious(T_DOC_COMMENT, ($commentStart - 1), null, true);
if ($prevNonComment !== false) {
$prevComment = $phpcsFile->findPrevious(T_DOC_COMMENT, ($prevNonComment - 1));
if ($prevComment === false) {
// There is only 1 doc comment between open tag and class token.
$newlineToken = $phpcsFile->findNext(T_WHITESPACE, ($commentEnd + 1), $stackPtr, false, $phpcsFile->eolChar);
if ($newlineToken !== false) {
$newlineToken = $phpcsFile->findNext(
T_WHITESPACE,
($newlineToken + 1),
$stackPtr,
false,
$phpcsFile->eolChar
);
if ($newlineToken !== false) {
// Blank line between the class and the doc block.
// The doc block is most likely a file comment.
$error = 'Missing %s doc comment';
$phpcsFile->addError($error, ($stackPtr + 1), 'Missing', $errorData);
return;
}
}//end if
}//end if
}//end if
}//end if
$comment = $phpcsFile->getTokensAsString(
$commentStart,
($commentEnd - $commentStart + 1)
);
// Parse the class comment.docblock.
try {
$this->commentParser = new PHP_CodeSniffer_CommentParser_ClassCommentParser($comment, $phpcsFile);
$this->commentParser->parse();
} catch (PHP_CodeSniffer_CommentParser_ParserException $e) {
$line = ($e->getLineWithinComment() + $commentStart);
$phpcsFile->addError($e->getMessage(), $line, 'FailedParse');
return;
}
$comment = $this->commentParser->getComment();
if (is_null($comment) === true) {
$error = 'Doc comment is empty for %s';
$phpcsFile->addError($error, $commentStart, 'Empty', $errorData);
return;
}
// No extra newline before short description.
$short = $comment->getShortComment();
$newlineCount = 0;
$newlineSpan = strspn($short, $phpcsFile->eolChar);
if ($short !== '' && $newlineSpan > 0) {
$error = 'Extra newline(s) found before %s comment short description';
$phpcsFile->addError($error, ($commentStart + 1), 'SpacingBeforeShort', $errorData);
}
$newlineCount = (substr_count($short, $phpcsFile->eolChar) + 1);
// Exactly one blank line between short and long description.
$long = $comment->getLongComment();
if (empty($long) === false) {
$between = $comment->getWhiteSpaceBetween();
$newlineBetween = substr_count($between, $phpcsFile->eolChar);
if ($newlineBetween !== 2) {
$error = 'There must be exactly one blank line between descriptions in %s comments';
$phpcsFile->addError($error, ($commentStart + $newlineCount + 1), 'SpacingAfterShort', $errorData);
}
$newlineCount += $newlineBetween;
}
// Exactly one blank line before tags.
$tags = $this->commentParser->getTagOrders();
if (count($tags) > 1) {
$newlineSpan = $comment->getNewlineAfter();
if ($newlineSpan !== 2) {
$error = 'There must be exactly one blank line before the tags in %s comments';
if ($long !== '') {
$newlineCount += (substr_count($long, $phpcsFile->eolChar) - $newlineSpan + 1);
}
$phpcsFile->addError($error, ($commentStart + $newlineCount), 'SpacingBeforeTags', $errorData);
$short = rtrim($short, $phpcsFile->eolChar.' ');
}
}
// Check each tag.
$this->processTags($commentStart, $commentEnd);
}//end process()
/**
* Process the version tag.
*
* @param int $errorPos The line number where the error occurs.
*
* @return void
*/
protected function processVersion($errorPos)
{
$version = $this->commentParser->getVersion();
if ($version !== null) {
$content = $version->getContent();
$matches = array();
if (empty($content) === true) {
$error = 'Content missing for @version tag in doc comment';
$this->currentFile->addError($error, $errorPos, 'EmptyVersion');
} else if ((strstr($content, 'Release:') === false)) {
$error = 'Invalid version "%s" in doc comment; consider "Release: <package_version>" instead';
$data = array($content);
$this->currentFile->addWarning($error, $errorPos, 'InvalidVersion', $data);
}
}
}//end processVersion()
}//end class
?>
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