/**
* Process any throw tags that this function comment has.
*
* @param int $commentStart The position in the stack where the comment started.
*
* @return void
*/
protected function processThrows($commentStart)
{
if (count($this->commentParser->getThrows()) === 0) {
return;
}
$tagOrder = $this->commentParser->getTagOrders();
$index = array_keys($this->commentParser->getTagOrders(), 'throws');
foreach ($this->commentParser->getThrows() as $i => $throw) {
$exception = $throw->getValue();
$content = trim($throw->getComment());
$errorPos = $commentStart + $throw->getLine();
if (empty($exception) === true) {
$this->helper->addMessage($errorPos, M2_Sniffs_Annotations_Helper::INVALID_THROWS);
} elseif (empty($content) === true) {
$this->helper->addMessage($errorPos, M2_Sniffs_Annotations_Helper::EMPTY_THROWS);
} else {
// Assumes that $content is not empty.
// Starts with a capital letter and ends with a fullstop.
$firstChar = $content[0];
if (strtoupper($firstChar) !== $firstChar) {
$this->helper->addMessage($errorPos, M2_Sniffs_Annotations_Helper::THROWS_NOT_CAPITAL);
}
$lastChar = $content[strlen($content) - 1];
if ($lastChar !== '.') {
$this->helper->addMessage($errorPos, M2_Sniffs_Annotations_Helper::THROWS_NO_FULL_STOP);
}
}
$since = array_keys($tagOrder, 'since');
if (count($since) === 1 && $this->_tagIndex !== 0) {
$this->_tagIndex++;
if ($index[$i] !== $this->_tagIndex) {
$this->helper->addMessage($errorPos, M2_Sniffs_Annotations_Helper::THROWS_ORDER);
}
}
}
}
/**
* 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)
{
$find = array(T_COMMENT, T_DOC_COMMENT, T_CLASS, T_FUNCTION, T_OPEN_TAG);
$commentEnd = $phpcsFile->findPrevious($find, $stackPtr - 1);
if ($commentEnd === false) {
return;
}
$this->currentFile = $phpcsFile;
$tokens = $phpcsFile->getTokens();
// If the token that we found was a class or a function, then this
// function has no doc comment.
$code = $tokens[$commentEnd]['code'];
if ($code === T_COMMENT) {
$error = 'You must use "/**" style comments for a function comment';
$phpcsFile->addError($error, $stackPtr, 'WrongStyle');
return;
} else {
if ($code !== T_DOC_COMMENT) {
$phpcsFile->addError('Missing function doc comment', $stackPtr, 'Missing');
return;
}
}
// If there is any code between the function keyword and the doc block
// then the doc block is not for us.
$ignore = PHP_CodeSniffer_Tokens::$scopeModifiers;
$ignore[] = T_STATIC;
$ignore[] = T_WHITESPACE;
$ignore[] = T_ABSTRACT;
$ignore[] = T_FINAL;
$prevToken = $phpcsFile->findPrevious($ignore, $stackPtr - 1, null, true);
if ($prevToken !== $commentEnd) {
$phpcsFile->addError('Missing function doc comment', $stackPtr, 'Missing');
return;
}
$this->_functionToken = $stackPtr;
$this->_classToken = null;
foreach ($tokens[$stackPtr]['conditions'] as $condPtr => $condition) {
if ($condition === T_CLASS || $condition === T_INTERFACE) {
$this->_classToken = $condPtr;
break;
}
}
// If the first T_OPEN_TAG is right before the comment, it is probably
// a file comment.
$commentStart = $phpcsFile->findPrevious(T_DOC_COMMENT, $commentEnd - 1, null, true) + 1;
$prevToken = $phpcsFile->findPrevious(T_WHITESPACE, $commentStart - 1, null, true);
if ($tokens[$prevToken]['code'] === T_OPEN_TAG) {
// Is this the first open tag?
if ($stackPtr === 0 || $phpcsFile->findPrevious(T_OPEN_TAG, $prevToken - 1) === false) {
$phpcsFile->addError('Missing function doc comment', $stackPtr, 'Missing');
return;
}
}
$comment = $phpcsFile->getTokensAsString($commentStart, $commentEnd - $commentStart + 1);
$this->_methodName = $phpcsFile->getDeclarationName($stackPtr);
try {
$this->commentParser = new PHP_CodeSniffer_CommentParser_FunctionCommentParser($comment, $phpcsFile);
$this->commentParser->parse();
} catch (PHP_CodeSniffer_CommentParser_ParserException $e) {
$line = $e->getLineWithinComment() + $commentStart;
$phpcsFile->addError($e->getMessage(), $line, 'FailedParse');
return;
}
/** @var PHP_CodeSniffer_CommentParser_CommentElement $comment */
$comment = $this->commentParser->getComment();
if (is_null($comment) === true) {
$error = 'Function doc comment is empty';
$phpcsFile->addError($error, $commentStart, 'Empty');
return;
}
$this->processParams($commentStart);
$this->processReturn($commentStart, $commentEnd);
$this->processThrows($commentStart);
// No extra newline before short description.
$short = $comment->getShortComment();
$newlineCount = 0;
$newlineSpan = strspn($short, $phpcsFile->eolChar);
if ($short !== '' && $newlineSpan > 0) {
$line = $newlineSpan > 1 ? 'newlines' : 'newline';
$error = "Extra {$line} found before function comment short description";
$phpcsFile->addError($error, $commentStart + 1, 'SpacingBeforeShort');
}
$newlineCount = substr_count($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 function comment';
$phpcsFile->addError($error, $commentStart + $newlineCount + 1, 'SpacingAfterShort');
}
$newlineCount += $newlineBetween;
}
// Exactly one blank line before tags.
$params = $this->commentParser->getTagOrders();
if (count($params) > 1) {
$newlineSpan = $comment->getNewlineAfter();
if ($newlineSpan !== 2) {
$error = 'There must be exactly one blank line before the tags in function comment';
if ($long !== '') {
$newlineCount += substr_count($long, $phpcsFile->eolChar) - $newlineSpan + 1;
}
$phpcsFile->addError($error, $commentStart + $newlineCount, 'SpacingBeforeTags');
$short = rtrim($short, $phpcsFile->eolChar . ' ');
}
}
}
