private static string UrlDecodeInternal(byte[] bytes, int offset, int count, Encoding encoding)
{
if (!XmlaHttpUtility.ValidateUrlEncodingParameters(bytes, offset, count))
{
return(null);
}
XmlaHttpUtility.UrlDecoder urlDecoder = new XmlaHttpUtility.UrlDecoder(count, encoding);
int i = 0;
while (i < count)
{
int num = offset + i;
byte b = bytes[num];
if (b == 43)
{
b = 32;
goto IL_E6;
}
if (b != 37 || i >= count - 2)
{
goto IL_E6;
}
if (bytes[num + 1] == 117 && i < count - 5)
{
int num2 = XmlaHttpUtility.HexToInt((char)bytes[num + 2]);
int num3 = XmlaHttpUtility.HexToInt((char)bytes[num + 3]);
int num4 = XmlaHttpUtility.HexToInt((char)bytes[num + 4]);
int num5 = XmlaHttpUtility.HexToInt((char)bytes[num + 5]);
if (num2 < 0 || num3 < 0 || num4 < 0 || num5 < 0)
{
goto IL_E6;
}
char ch = (char)(num2 << 12 | num3 << 8 | num4 << 4 | num5);
i += 5;
urlDecoder.AddChar(ch);
}
else
{
int num6 = XmlaHttpUtility.HexToInt((char)bytes[num + 1]);
int num7 = XmlaHttpUtility.HexToInt((char)bytes[num + 2]);
if (num6 >= 0 && num7 >= 0)
{
b = (byte)(num6 << 4 | num7);
i += 2;
goto IL_E6;
}
goto IL_E6;
}
IL_ED:
i++;
continue;
IL_E6:
urlDecoder.AddByte(b);
goto IL_ED;
}
return(urlDecoder.GetString());
}
private static string UrlDecodeInternal(string value, Encoding encoding)
{
if (value == null)
{
return(null);
}
int length = value.Length;
XmlaHttpUtility.UrlDecoder urlDecoder = new XmlaHttpUtility.UrlDecoder(length, encoding);
int i = 0;
while (i < length)
{
char c = value[i];
if (c == '+')
{
c = ' ';
goto IL_10B;
}
if (c != '%' || i >= length - 2)
{
goto IL_10B;
}
if (value[i + 1] == 'u' && i < length - 5)
{
int num = XmlaHttpUtility.HexToInt(value[i + 2]);
int num2 = XmlaHttpUtility.HexToInt(value[i + 3]);
int num3 = XmlaHttpUtility.HexToInt(value[i + 4]);
int num4 = XmlaHttpUtility.HexToInt(value[i + 5]);
if (num < 0 || num2 < 0 || num3 < 0 || num4 < 0)
{
goto IL_10B;
}
c = (char)(num << 12 | num2 << 8 | num3 << 4 | num4);
i += 5;
urlDecoder.AddChar(c);
}
else
{
int num5 = XmlaHttpUtility.HexToInt(value[i + 1]);
int num6 = XmlaHttpUtility.HexToInt(value[i + 2]);
if (num5 < 0 || num6 < 0)
{
goto IL_10B;
}
byte b = (byte)(num5 << 4 | num6);
i += 2;
urlDecoder.AddByte(b);
}
IL_125:
i++;
continue;
IL_10B:
if ((c & 'ﾀ') == '\0')
{
urlDecoder.AddByte((byte)c);
goto IL_125;
}
urlDecoder.AddChar(c);
goto IL_125;
}
return(urlDecoder.GetString());
}