/**
  * Called to process class member vars.
  *
  * @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 processMemberVar(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
 {
     $this->currentFile = $phpcsFile;
     $tokens = $phpcsFile->getTokens();
     $commentToken = array(T_COMMENT, T_DOC_COMMENT);
     // Extract the var comment docblock.
     $commentEnd = $phpcsFile->findPrevious($commentToken, $stackPtr - 3);
     if ($commentEnd !== false && $tokens[$commentEnd]['code'] === T_COMMENT) {
         $phpcsFile->addError('You must use "/**" style comments for a variable comment', $stackPtr, 'WrongStyle');
         return;
     } else {
         if ($commentEnd === false || $tokens[$commentEnd]['code'] !== T_DOC_COMMENT) {
             $phpcsFile->addError('Missing variable doc comment', $stackPtr, 'Missing');
             return;
         } else {
             // Make sure the comment we have found belongs to us.
             $commentFor = $phpcsFile->findNext(array(T_VARIABLE, T_CLASS, T_INTERFACE), $commentEnd + 1);
             if ($commentFor !== $stackPtr) {
                 $phpcsFile->addError('Missing variable doc comment', $stackPtr, 'Missing');
                 return;
             }
         }
     }
     $commentStart = $phpcsFile->findPrevious(T_DOC_COMMENT, $commentEnd - 1, null, true) + 1;
     $commentString = $phpcsFile->getTokensAsString($commentStart, $commentEnd - $commentStart + 1);
     // Parse the header comment docblock.
     try {
         $this->commentParser = new PHP_CodeSniffer_CommentParser_MemberCommentParser($commentString, $phpcsFile);
         $this->commentParser->parse();
     } catch (PHP_CodeSniffer_CommentParser_ParserException $e) {
         $line = $e->getLineWithinComment() + $commentStart;
         $phpcsFile->addError($e->getMessage(), $line, 'ErrorParsing');
         return;
     }
     $comment = $this->commentParser->getComment();
     if (is_null($comment) === true) {
         $error = 'Variable doc comment is empty';
         $phpcsFile->addError($error, $commentStart, 'Empty');
         return;
     }
     // The first line of the comment should just be the /** code.
     $eolPos = strpos($commentString, $phpcsFile->eolChar);
     $firstLine = substr($commentString, 0, $eolPos);
     if ($firstLine !== '/**') {
         $error = 'The open comment tag must be the only content on the line';
         $phpcsFile->addError($error, $commentStart, 'ContentAfterOpen');
     }
     // Check for a comment description.
     $short = $comment->getShortComment();
     $long = '';
     if (trim($short) === '') {
         $error = 'Missing short description in variable doc comment';
         $phpcsFile->addError($error, $commentStart, 'MissingShort');
         $newlineCount = 1;
     } else {
         // No extra newline before short description.
         $newlineCount = 0;
         $newlineSpan = strspn($short, $phpcsFile->eolChar);
         if ($short !== '' && $newlineSpan > 0) {
             $error = 'Extra newline(s) found before variable 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 variable comment';
                 $phpcsFile->addError($error, $commentStart + $newlineCount + 1, 'SpacingBetween');
             }
             $newlineCount += $newlineBetween;
             $testLong = trim($long);
             if (preg_match('|[A-Z]|', $testLong[0]) === 0) {
                 $error = 'Variable comment long description must start with a capital letter';
                 $phpcsFile->addError($error, $commentStart + $newlineCount, 'LongNotCapital');
             }
         }
         //end if
         // Short description must be single line and end with a full stop.
         $testShort = trim($short);
         $lastChar = $testShort[strlen($testShort) - 1];
         if (substr_count($testShort, $phpcsFile->eolChar) !== 0) {
             $error = 'Variable comment short description must be on a single line';
             $phpcsFile->addError($error, $commentStart + 1, 'ShortSingleLine');
         }
         if (preg_match('|[A-Z]|', $testShort[0]) === 0) {
             $error = 'Variable comment short description must start with a capital letter';
             $phpcsFile->addError($error, $commentStart + 1, 'ShortNotCapital');
         }
         if ($lastChar !== '.') {
             $error = 'Variable comment short description must end with a full stop';
             $phpcsFile->addError($error, $commentStart + 1, 'ShortFullStop');
         }
     }
     //end if
     // Exactly one blank line before tags.
     $tags = $this->commentParser->getTagOrders();
     if (count($tags) > 1) {
         $newlineSpan = $comment->getNewlineAfter();
         if ($newlineSpan !== 2) {
             $error = 'There must be exactly one blank line before the tags in variable comment';
             if ($long !== '') {
                 $newlineCount += substr_count($long, $phpcsFile->eolChar) - $newlineSpan + 1;
             }
             $phpcsFile->addError($error, $commentStart + $newlineCount, 'SpacingBeforeTags');
             $short = rtrim($short, $phpcsFile->eolChar . ' ');
         }
     }
     // Check for unknown/deprecated tags.
     $unknownTags = $this->commentParser->getUnknown();
     foreach ($unknownTags as $errorTag) {
         // Unknown tags are not parsed, do not process further.
         $error = '@%s tag is not allowed in variable comment';
         $data = array($errorTag['tag']);
         $phpcsFile->addWarning($error, $commentStart + $errorTag['line'], 'TagNotAllowed', $data);
     }
     // Check each tag.
     $this->processVar($commentStart, $commentEnd);
     $this->processSees($commentStart);
     // The last content should be a newline and the content before
     // that should not be blank. If there is more blank space
     // then they have additional blank lines at the end of the comment.
     $words = $this->commentParser->getWords();
     $lastPos = count($words) - 1;
     if (trim($words[$lastPos - 1]) !== '' || strpos($words[$lastPos - 1], $this->currentFile->eolChar) === false || trim($words[$lastPos - 2]) === '') {
         $error = 'Additional blank lines found at end of variable comment';
         $this->currentFile->addError($error, $commentEnd, 'SpacingAfter');
     }
 }
 /**
  * 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 = $phpcsFile;
     // We are only interested if this is the first open tag.
     if ($stackPtr !== 0) {
         if ($phpcsFile->findPrevious(T_OPEN_TAG, $stackPtr - 1) !== false) {
             return;
         }
     }
     $tokens = $phpcsFile->getTokens();
     $errorToken = $stackPtr + 1;
     if (isset($tokens[$errorToken]) === false) {
         $errorToken--;
     }
     // Find the next non whitespace token.
     $commentStart = $phpcsFile->findNext(T_WHITESPACE, $stackPtr + 1, null, true);
     if ($tokens[$commentStart]['code'] === T_CLOSE_TAG) {
         // We are only interested if this is the first open tag.
         return;
     } else {
         if ($tokens[$commentStart]['code'] === T_COMMENT) {
             $phpcsFile->addError('You must use "/**" style comments for a file comment', $errorToken, 'WrongStyle');
             return;
         } else {
             if ($commentStart === false || $tokens[$commentStart]['code'] !== T_DOC_COMMENT) {
                 $phpcsFile->addError('Missing file doc comment', $errorToken, 'Missing');
                 return;
             }
         }
     }
     // Extract the header comment docblock.
     $commentEnd = $phpcsFile->findNext(T_DOC_COMMENT, $commentStart + 1, null, true) - 1;
     // Check if there is only 1 doc comment between the open tag and class token.
     $nextToken = array(T_ABSTRACT, T_CLASS, T_DOC_COMMENT);
     $commentNext = $phpcsFile->findNext($nextToken, $commentEnd + 1);
     if ($commentNext !== false && $tokens[$commentNext]['code'] !== T_DOC_COMMENT) {
         // Found a class token right after comment doc block.
         $newlineToken = $phpcsFile->findNext(T_WHITESPACE, $commentEnd + 1, $commentNext, false, $phpcsFile->eolChar);
         if ($newlineToken !== false) {
             $newlineToken = $phpcsFile->findNext(T_WHITESPACE, $newlineToken + 1, $commentNext, false, $phpcsFile->eolChar);
             if ($newlineToken === false) {
                 // No blank line between the class token and the doc block.
                 // The doc block is most likely a class comment.
                 $phpcsFile->addError('Missing file doc comment', $errorToken, 'Missing');
                 return;
             }
         }
     }
     // No blank line between the open tag and the file comment.
     $blankLineBefore = $phpcsFile->findNext(T_WHITESPACE, $stackPtr + 1, null, false, $phpcsFile->eolChar);
     if ($blankLineBefore !== false && $blankLineBefore < $commentStart) {
         $error = 'Extra newline found after the open tag';
         $phpcsFile->addError($error, $stackPtr, 'SpacingAfterOpen');
     }
     // Exactly one blank line after the file comment.
     $nextTokenStart = $phpcsFile->findNext(T_WHITESPACE, $commentEnd + 1, null, true);
     if ($nextTokenStart !== false) {
         $blankLineAfter = 0;
         for ($i = $commentEnd + 1; $i < $nextTokenStart; $i++) {
             if ($tokens[$i]['code'] === T_WHITESPACE && $tokens[$i]['content'] === $phpcsFile->eolChar) {
                 $blankLineAfter++;
             }
         }
         if ($blankLineAfter !== 2) {
             $error = 'There must be exactly one blank line after the file comment';
             $phpcsFile->addError($error, $commentEnd + 1, 'SpacingAfterComment');
         }
     }
     $commentString = $phpcsFile->getTokensAsString($commentStart, $commentEnd - $commentStart + 1);
     // Parse the header comment docblock.
     try {
         $this->commentParser = new PHP_CodeSniffer_CommentParser_ClassCommentParser($commentString, $phpcsFile);
         $this->commentParser->parse();
     } catch (PHP_CodeSniffer_CommentParser_ParserException $e) {
         $line = $e->getLineWithinComment() + $commentStart;
         $phpcsFile->addError($e->getMessage(), $line, 'Exception');
         return;
     }
     $comment = $this->commentParser->getComment();
     if (is_null($comment) === true) {
         $error = 'File doc comment is empty';
         $phpcsFile->addError($error, $commentStart, 'Empty');
         return;
     }
     // The first line of the comment should just be the /** code.
     $eolPos = strpos($commentString, $phpcsFile->eolChar);
     $firstLine = substr($commentString, 0, $eolPos);
     if ($firstLine !== '/**') {
         $error = 'The open comment tag must be the only content on the line';
         $phpcsFile->addError($error, $commentStart, 'ContentAfterOpen');
     }
     // 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 file 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 file comment';
             $phpcsFile->addError($error, $commentStart + $newlineCount + 1, 'SpacingBetween');
         }
         $newlineCount += $newlineBetween;
         $testLong = trim($long);
         if (preg_match('|[A-Z]|', $testLong[0]) === 0) {
             $error = 'File comment long description must start with a capital letter';
             $phpcsFile->addError($error, $commentStart + $newlineCount, 'LongNotCapital');
         }
     }
     //end if
     // Exactly one blank line before tags.
     $tags = $this->commentParser->getTagOrders();
     if (count($tags) > 1) {
         $newlineSpan = $comment->getNewlineAfter();
         if ($newlineSpan !== 2) {
             $error = 'There must be exactly one blank line before the tags in file comment';
             if ($long !== '') {
                 $newlineCount += substr_count($long, $phpcsFile->eolChar) - $newlineSpan + 1;
             }
             $phpcsFile->addError($error, $commentStart + $newlineCount, 'SpacingBeforeTags');
             $short = rtrim($short, $phpcsFile->eolChar . ' ');
         }
     }
     // Short description must be single line and end with a full stop.
     $testShort = trim($short);
     if ($testShort === '') {
         $error = 'Missing short description in file comment';
         $phpcsFile->addError($error, $commentStart + 1, 'MissingShort');
     } else {
         $lastChar = $testShort[strlen($testShort) - 1];
         if (substr_count($testShort, $phpcsFile->eolChar) !== 0) {
             $error = 'File comment short description must be on a single line';
             $phpcsFile->addError($error, $commentStart + 1, 'ShortSingleLine');
         }
         if (preg_match('|[A-Z]|', $testShort[0]) === 0) {
             $error = 'File comment short description must start with a capital letter';
             $phpcsFile->addError($error, $commentStart + 1, 'ShortNotCapital');
         }
         if ($lastChar !== '.') {
             $error = 'File comment short description must end with a full stop';
             $phpcsFile->addError($error, $commentStart + 1, 'ShortFullStop');
         }
     }
     //end if
     // Check for unknown/deprecated tags.
     $unknownTags = $this->commentParser->getUnknown();
     foreach ($unknownTags as $errorTag) {
         // Unknown tags are not parsed, do not process further.
         $error = '@%s tag is not allowed in file comment';
         $data = array($errorTag['tag']);
         $phpcsFile->addWarning($error, $commentStart + $errorTag['line'], 'TagNotAllowed', $data);
     }
     // Check each tag.
     $this->processTags($commentStart, $commentEnd);
     // The last content should be a newline and the content before
     // that should not be blank. If there is more blank space
     // then they have additional blank lines at the end of the comment.
     $words = $this->commentParser->getWords();
     $lastPos = count($words) - 1;
     if (trim($words[$lastPos - 1]) !== '' || strpos($words[$lastPos - 1], $this->currentFile->eolChar) === false || trim($words[$lastPos - 2]) === '') {
         $error = 'Additional blank lines found at end of file comment';
         $this->currentFile->addError($error, $commentEnd, 'SpacingAfter');
     }
 }