C# (CSharp) AvaloniaEdit.Document TextDocument示例

示例#1

        public int FindMatchingBracketBackward(AvaloniaEdit.Document.TextDocument document, int startOffset, char close, char open)
        {
            var result = startOffset;

            var currentChar = document.GetCharAt(startOffset--);

            if (currentChar == close)
            {
                var numOpen = 0;

                while (true)
                {
                    if (startOffset < 0)
                    {
                        break;
                    }

                    currentChar = document.GetCharAt(startOffset--);

                    if (currentChar == open && numOpen == 0)
                    {
                        result = startOffset + 1;
                        break;
                    }
                    if (currentChar == close)
                    {
                        numOpen++;
                    }
                    else if (currentChar == open)
                    {
                        numOpen--;
                    }

                    if (startOffset >= document.TextLength)
                    {
                        break;
                    }
                }
            }

            return(result);
        }