Newtonsoft.Json.JsonTextReader.ParseProperty C# (CSharp) Method

        private bool ParseProperty()
        {
            char firstChar = _chars[_charPos];
            char quoteChar;

            if (firstChar == '"' || firstChar == '\'')
            {
                _charPos++;
                quoteChar = firstChar;
                ShiftBufferIfNeeded();
                ReadStringIntoBuffer(quoteChar);
            }
            else if (ValidIdentifierChar(firstChar))
            {
                quoteChar = '\0';
                ShiftBufferIfNeeded();
                ParseUnquotedProperty();
            }
            else
            {
                throw JsonReaderException.Create(this, "Invalid property identifier character: {0}.".FormatWith(CultureInfo.InvariantCulture, _chars[_charPos]));
            }

            string propertyName;

            if (NameTable != null)
            {
                propertyName = NameTable.Get(_stringReference.Chars, _stringReference.StartIndex, _stringReference.Length);

                // no match in name table
                if (propertyName == null)
                {
                    propertyName = _stringReference.ToString();
                }
            }
            else
            {
                propertyName = _stringReference.ToString();
            }

            EatWhitespace(false);

            if (_chars[_charPos] != ':')
            {
                throw JsonReaderException.Create(this, "Invalid character after parsing property name. Expected ':' but got: {0}.".FormatWith(CultureInfo.InvariantCulture, _chars[_charPos]));
            }

            _charPos++;

            SetToken(JsonToken.PropertyName, propertyName);
            _quoteChar = quoteChar;
            ClearRecentString();

            return true;
        }