System.Xml.XmlTextReaderImpl.StripSpaces C# (CSharp) Method

        internal static void StripSpaces(char[] value, int index, ref int len)
        {
            if (len <= 0)
            {
                return;
            }

            int startPos = index;
            int endPos = index + len;

            while (value[startPos] == 0x20)
            {
                startPos++;
                if (startPos == endPos)
                {
                    len = 1;
                    return;
                }
            }

            int offset = startPos - index;
            int i;
            for (i = startPos; i < endPos; i++)
            {
                char ch;
                if ((ch = value[i]) == 0x20)
                {
                    int j = i + 1;
                    while (j < endPos && value[j] == 0x20)
                    {
                        j++;
                    }
                    if (j == endPos)
                    {
                        offset += (j - i);
                        break;
                    }
                    if (j > i + 1)
                    {
                        offset += (j - i - 1);
                        i = j - 1;
                    }
                }
                value[i - offset] = ch;
            }
            len -= offset;
        }

 internal void TrimSpacesInValue()
 {
     if (ValueBuffered)
     {
         XmlTextReaderImpl.StripSpaces(_chars, _valueStartPos, ref _valueLength);
     }
     else
     {
         _value = XmlTextReaderImpl.StripSpaces(_value);
     }
 }