TextRange (final Commenter commenter) { final CharSequence text = myDocument.getCharsSequence(); final FileType fileType = myFile.getFileType(); if (fileType instanceof CustomSyntaxTableFileType) { Lexer lexer = new CustomFileTypeLexer(((CustomSyntaxTableFileType)fileType).getSyntaxTable()); final int caretOffset = myCaret.getOffset(); int commentStart = CharArrayUtil.lastIndexOf(text, commenter.getBlockCommentPrefix(), caretOffset); if (commentStart == -1) return null; lexer.start(text, commentStart, text.length()); if (lexer.getTokenType() == CustomHighlighterTokenType.MULTI_LINE_COMMENT && lexer.getTokenEnd() >= caretOffset) { return new TextRange(commentStart, lexer.getTokenEnd()); } return null; } final String prefix; final String suffix; // Custom uncommenter is able to find commented block inside of selected text final String selectedText = myCaret.getSelectedText(); if ((commenter instanceof CustomUncommenter) && selectedText != null) { final TextRange commentedRange = ((CustomUncommenter)commenter).findMaximumCommentedRange(selectedText); if (commentedRange == null) { return null; } // Uncommenter returns range relative to text start, so we need to shift it to make abosolute. return commentedRange.shiftRight(myCaret.getSelectionStart()); } if (commenter instanceof SelfManagingCommenter selfManagingCommenter) { prefix = selfManagingCommenter.getBlockCommentPrefix( myCaret.getSelectionStart(), myDocument, mySelfManagedCommenterData ); suffix = selfManagingCommenter.getBlockCommentSuffix( myCaret.getSelectionEnd(), myDocument, mySelfManagedCommenterData ); } else { prefix = trim(commenter.getBlockCommentPrefix()); suffix = trim(commenter.getBlockCommentSuffix()); } if (prefix == null || suffix == null) return null; TextRange commentedRange; if (commenter instanceof SelfManagingCommenter) { commentedRange = ((SelfManagingCommenter)commenter).getBlockCommentRange( myCaret.getSelectionStart(), myCaret.getSelectionEnd(), myDocument, mySelfManagedCommenterData ); } else { if (!testSelectionForNonComments()) { return null; } commentedRange = getSelectedComments(text, prefix, suffix); } if (commentedRange == null) { PsiElement comment = findCommentAtCaret(); if (comment != null) { String commentText = comment.getText(); if (commentText.startsWith(prefix) && commentText.endsWith(suffix)) { commentedRange = comment.getTextRange(); } } } return commentedRange; }