private static string UrlDecodeStringFromStringInternal(string s, Encoding e)
{
int length = s.Length;
HttpUtil.UrlDecoder urlDecoder = new HttpUtil.UrlDecoder(length, e);
int i = 0;
while (i < length)
{
char c = s[i];
if (c == '+')
{
c = ' ';
goto IL_106;
}
if (c != '%' || i >= length - 2)
{
goto IL_106;
}
if (s[i + 1] == 'u' && i < length - 5)
{
int num = HttpUtil.HexToInt(s[i + 2]);
int num2 = HttpUtil.HexToInt(s[i + 3]);
int num3 = HttpUtil.HexToInt(s[i + 4]);
int num4 = HttpUtil.HexToInt(s[i + 5]);
if (num < 0 || num2 < 0 || num3 < 0 || num4 < 0)
{
goto IL_106;
}
c = (char)(num << 12 | num2 << 8 | num3 << 4 | num4);
i += 5;
urlDecoder.AddChar(c);
}
else
{
int num5 = HttpUtil.HexToInt(s[i + 1]);
int num6 = HttpUtil.HexToInt(s[i + 2]);
if (num5 < 0 || num6 < 0)
{
goto IL_106;
}
byte b = (byte)(num5 << 4 | num6);
i += 2;
urlDecoder.AddByte(b);
}
IL_120:
i++;
continue;
IL_106:
if ((c & 'ﾀ') == '\0')
{
urlDecoder.AddByte((byte)c);
goto IL_120;
}
urlDecoder.AddChar(c);
goto IL_120;
}
return urlDecoder.GetString();
}
private static string UrlDecodeStringFromBytesInternal(byte[] buf, int offset, int count, Encoding e)
{
HttpUtil.UrlDecoder urlDecoder = new HttpUtil.UrlDecoder(count, e);
int i = 0;
while (i < count)
{
int num = offset + i;
byte b = buf[num];
if (b == 43)
{
b = 32;
goto IL_DA;
}
if (b != 37 || i >= count - 2)
{
goto IL_DA;
}
if (buf[num + 1] == 117 && i < count - 5)
{
int num2 = HttpUtil.HexToInt((char)buf[num + 2]);
int num3 = HttpUtil.HexToInt((char)buf[num + 3]);
int num4 = HttpUtil.HexToInt((char)buf[num + 4]);
int num5 = HttpUtil.HexToInt((char)buf[num + 5]);
if (num2 < 0 || num3 < 0 || num4 < 0 || num5 < 0)
{
goto IL_DA;
}
char ch = (char)(num2 << 12 | num3 << 8 | num4 << 4 | num5);
i += 5;
urlDecoder.AddChar(ch);
}
else
{
int num6 = HttpUtil.HexToInt((char)buf[num + 1]);
int num7 = HttpUtil.HexToInt((char)buf[num + 2]);
if (num6 >= 0 && num7 >= 0)
{
b = (byte)(num6 << 4 | num7);
i += 2;
goto IL_DA;
}
goto IL_DA;
}
IL_E1:
i++;
continue;
IL_DA:
urlDecoder.AddByte(b);
goto IL_E1;
}
return urlDecoder.GetString();
}
internal static string CollapsePercentUFromStringInternal(string s, Encoding e)
{
int length = s.Length;
HttpUtil.UrlDecoder urlDecoder = new HttpUtil.UrlDecoder(length, e);
int num = s.IndexOf("%u", StringComparison.Ordinal);
if (num == -1)
{
return s;
}
int i = 0;
while (i < length)
{
char c = s[i];
if (c != '%' || i >= length - 5 || s[i + 1] != 'u')
{
goto IL_C8;
}
int num2 = HttpUtil.HexToInt(s[i + 2]);
int num3 = HttpUtil.HexToInt(s[i + 3]);
int num4 = HttpUtil.HexToInt(s[i + 4]);
int num5 = HttpUtil.HexToInt(s[i + 5]);
if (num2 < 0 || num3 < 0 || num4 < 0 || num5 < 0)
{
goto IL_C8;
}
c = (char)(num2 << 12 | num3 << 8 | num4 << 4 | num5);
i += 5;
urlDecoder.AddChar(c);
IL_E5:
i++;
continue;
IL_C8:
if ((c & 'ﾀ') == '\0')
{
urlDecoder.AddByte((byte)c);
goto IL_E5;
}
urlDecoder.AddChar(c);
goto IL_E5;
}
return urlDecoder.GetString();
}