Beispiel #1
0
        private static SnapshotPoint GetBlockHeaderStartPoint(ITextView view, ITextSnapshotLine caretLine, IViewTagAggregatorFactoryService tagAggregatorService)
        {
            var snapshot   = caretLine.Snapshot;
            var aggregator = tagAggregatorService.CreateTagAggregator <IClassificationTag>(view);

            var line = caretLine;

            int closeBraceCount = 1; //Using this like a stack.

            while (line.LineNumber - 1 > 0 && closeBraceCount > 0)
            {
                string lineText = line.GetText();

                if (lineText.Contains("}"))
                {
                    int index = lineText.IndexOf("}");

                    while (index >= 0 && line.Start + index < view.Caret.Position.BufferPosition)
                    {
                        if (!TagUtils.isStringOrComment(line, index, aggregator))
                        {
                            closeBraceCount++;
                        }
                        index = lineText.IndexOf("}", index + 1);
                    }
                }

                if (lineText.Contains("{"))
                {
                    int index = lineText.IndexOf("{");
                    while (index >= 0 && line.Start + index < view.Caret.Position.BufferPosition)
                    {
                        if (!TagUtils.isStringOrComment(line, index, aggregator))
                        {
                            closeBraceCount--;
                        }
                        index = lineText.IndexOf("{", index + 1);
                    }
                }

                if (closeBraceCount > 0)
                {
                    line = snapshot.GetLineFromLineNumber(line.LineNumber - 1);
                }
            }

            int startLineNumber = (line.GetText().Trim().Length != 1 && TagUtils.ContainsTag(line, "keyword", aggregator)) || line.LineNumber == 0
                ? line.LineNumber
                : line.LineNumber - 1;

            return(line.LineNumber == 1 || caretLine.Snapshot != view.TextSnapshot
                ? line.Start
                : caretLine.Snapshot.GetLineFromLineNumber(startLineNumber).Start);
        }
Beispiel #2
0
        private static SnapshotPoint GetBlockEndPoint(ITextView view, ITextSnapshotLine caretLine, IViewTagAggregatorFactoryService tagAggregatorService)
        {
            var snapshot   = caretLine.Snapshot;
            var aggregator = tagAggregatorService.CreateTagAggregator <IClassificationTag>(view);

            var    line = caretLine;
            string lineText;

            int openBraceCount = 1; //Using this like a stack.

            while (line.LineNumber < snapshot.LineCount - 1 && openBraceCount > 0)
            {
                lineText = line.GetText();

                if (lineText.Contains("{"))
                {
                    int index = lineText.IndexOf("{");
                    while (index >= 0 && line.Start + index >= view.Caret.Position.BufferPosition)
                    {
                        if (!TagUtils.isStringOrComment(line, index, aggregator))
                        {
                            openBraceCount++;
                        }
                        index = lineText.IndexOf("{", index + 1);
                    }
                }

                if (lineText.Contains("}"))
                {
                    int index = lineText.IndexOf("}");
                    while (index >= 0 && line.Start + index >= view.Caret.Position.BufferPosition)
                    {
                        if (!TagUtils.isStringOrComment(line, index, aggregator))
                        {
                            openBraceCount--;
                        }
                        index = lineText.IndexOf("}", index + 1);
                    }
                }

                if (openBraceCount > 0)
                {
                    line = snapshot.GetLineFromLineNumber(line.LineNumber + 1);
                }
            }

            lineText = line.GetText();

            return(lineText.Contains("}")
                ? new SnapshotPoint(snapshot, line.Start + lineText.IndexOf("}") + 1)
                : new SnapshotPoint(snapshot, snapshot.Length - 1));
        }