private static void removeTrailingSpaces(final Document document, final int startOffset) { int endOffset = startOffset; final CharSequence charsSequence = document.getCharsSequence(); for (int i = startOffset; i < charsSequence.length(); i++) { final char c = charsSequence.charAt(i); endOffset = i; if (c == '\n') { break; } if (c != ' ' && c != '\t') { return; } } document.deleteString(startOffset, endOffset); }
private void generateJavadoc(CodeDocumentationAwareCommenter commenter) throws IncorrectOperationException { CodeInsightSettings settings = CodeInsightSettings.getInstance(); StringBuilder buffer = new StringBuilder(); final String docCommentLinePrefix = commenter.getDocumentationCommentLinePrefix(); if (docCommentLinePrefix == null) { return; } // There are at least two approaches for completing javadoc in case there is a text between // current caret position and line end: // 1. Move that tail text below the javadoc. Use-case: // Before: // /**<caret>public void foo() {} // After: // /** // */ // public void foo() {} // 2. Move the tail text inside the javadoc. Use-case: // Before: // /**This is <caret>javadoc description // After: // /** This is // * javadoc description // */ // The later is most relevant when we have 'auto wrap when typing reaches right margin' option // set, i.e. user starts javadoc // and types until right margin is reached. We want the wrapped text tail to be located inside // javadoc and continue typing // inside it. So, we have a control flow branch below that does the trick. buffer.append(docCommentLinePrefix); if (DataManager.getInstance() .loadFromDataContext( myDataContext, AutoHardWrapHandler.AUTO_WRAP_LINE_IN_PROGRESS_KEY) == Boolean.TRUE) { myDocument.insertString(myOffset, buffer); // We create new buffer here because the one referenced by current 'buffer' variable value // may be already referenced at another // place (e.g. 'undo' processing stuff). buffer = new StringBuilder(LINE_SEPARATOR).append(commenter.getDocumentationCommentSuffix()); int line = myDocument.getLineNumber(myOffset); myOffset = myDocument.getLineEndOffset(line); } else { buffer.append(LINE_SEPARATOR); buffer.append(commenter.getDocumentationCommentSuffix()); } PsiComment comment = createComment(buffer, settings); if (comment == null) { return; } myOffset = comment.getTextRange().getStartOffset(); CharSequence text = myDocument.getCharsSequence(); myOffset = CharArrayUtil.shiftForwardUntil(text, myOffset, LINE_SEPARATOR); myOffset = CharArrayUtil.shiftForward(text, myOffset, LINE_SEPARATOR); myOffset = CharArrayUtil.shiftForwardUntil(text, myOffset, docCommentLinePrefix) + 1; removeTrailingSpaces(myDocument, myOffset); if (!CodeStyleSettingsManager.getSettings(getProject()).JD_LEADING_ASTERISKS_ARE_ENABLED) { LOG.assertTrue( CharArrayUtil.regionMatches( myDocument.getCharsSequence(), myOffset - docCommentLinePrefix.length(), docCommentLinePrefix)); myDocument.deleteString(myOffset - docCommentLinePrefix.length(), myOffset); myOffset--; } else { myDocument.insertString(myOffset, " "); myOffset++; } PsiDocumentManager.getInstance(getProject()).commitAllDocuments(); }
public void uncommentRange( TextRange range, String commentPrefix, String commentSuffix, Commenter commenter) { if (commenter instanceof SelfManagingCommenter) { final SelfManagingCommenter selfManagingCommenter = (SelfManagingCommenter) commenter; selfManagingCommenter.uncommentBlockComment( range.getStartOffset(), range.getEndOffset(), myDocument, mySelfManagedCommenterData); return; } String text = myDocument .getCharsSequence() .subSequence(range.getStartOffset(), range.getEndOffset()) .toString(); int startOffset = range.getStartOffset(); // boolean endsProperly = CharArrayUtil.regionMatches(chars, range.getEndOffset() - // commentSuffix.length(), commentSuffix); List<Couple<TextRange>> ranges = new ArrayList<>(); if (commenter instanceof CustomUncommenter) { /* In case of custom uncommenter, we need to ask it for list of [commentOpen-start,commentOpen-end], [commentClose-start,commentClose-end] and shift if according to current offset */ CustomUncommenter customUncommenter = (CustomUncommenter) commenter; for (Couple<TextRange> coupleFromCommenter : customUncommenter.getCommentRangesToDelete(text)) { TextRange openComment = coupleFromCommenter.first.shiftRight(startOffset); TextRange closeComment = coupleFromCommenter.second.shiftRight(startOffset); ranges.add(Couple.of(openComment, closeComment)); } } else { // If commenter is not custom, we need to get this list by our selves int position = 0; while (true) { int start = getNearest(text, commentPrefix, position); if (start == text.length()) { break; } position = start; int end = getNearest(text, commentSuffix, position + commentPrefix.length()) + commentSuffix.length(); position = end; Couple<TextRange> pair = findCommentBlock( new TextRange(start + startOffset, end + startOffset), commentPrefix, commentSuffix); ranges.add(pair); } } RangeMarker marker = myDocument.createRangeMarker(range); try { for (int i = ranges.size() - 1; i >= 0; i--) { Couple<TextRange> toDelete = ranges.get(i); myDocument.deleteString(toDelete.first.getStartOffset(), toDelete.first.getEndOffset()); int shift = toDelete.first.getEndOffset() - toDelete.first.getStartOffset(); myDocument.deleteString( toDelete.second.getStartOffset() - shift, toDelete.second.getEndOffset() - shift); if (commenter.getCommentedBlockCommentPrefix() != null) { commentNestedComments( myDocument, new TextRange( toDelete.first.getEndOffset() - shift, toDelete.second.getStartOffset() - shift), commenter); } } processDocument(myDocument, marker, commenter, false); } finally { marker.dispose(); } }