private static string UrlDecodeStringFromStringInternal(string s, Encoding e)
{
int length = s.Length;
UrlUtility.UrlDecoder urlDecoder = new UrlUtility.UrlDecoder(length, e);
for (int i = 0; i < length; i++)
{
char chr = s[i];
if (chr != '+')
{
if (chr == '%' && i < length - 2)
{
if (s[i + 1] != 'u' || i >= length - 5)
{
int num = UrlUtility.HexToInt(s[i + 1]);
int num1 = UrlUtility.HexToInt(s[i + 2]);
if (num < 0 || num1 < 0)
{
goto Label1;
}
byte num2 = (byte)(num << 4 | num1);
i = i + 2;
urlDecoder.AddByte(num2);
goto Label0;
}
else
{
int num3 = UrlUtility.HexToInt(s[i + 2]);
int num4 = UrlUtility.HexToInt(s[i + 3]);
int num5 = UrlUtility.HexToInt(s[i + 4]);
int num6 = UrlUtility.HexToInt(s[i + 5]);
if (num3 < 0 || num4 < 0 || num5 < 0 || num6 < 0)
{
goto Label1;
}
chr = (char)((ushort)(num3 << 12 | num4 << 8 | num5 << 4 | num6));
i = i + 5;
urlDecoder.AddChar(chr);
continue;
}
}
}
else
{
chr = ' ';
}
Label1:
if ((chr & '\uFF80') != 0)
{
urlDecoder.AddChar(chr);
}
else
{
urlDecoder.AddByte((byte)chr);
}
}
return(urlDecoder.GetString());
}
private void FlushBytes()
{
if (this._numBytes > 0)
{
UrlUtility.UrlDecoder chars = this;
chars._numChars = chars._numChars + this._encoding.GetChars(this._byteBuffer, 0, this._numBytes, this._charBuffer, this._numChars);
this._numBytes = 0;
}
}
internal void AddChar(char ch)
{
if (this._numBytes > 0)
{
this.FlushBytes();
}
UrlUtility.UrlDecoder urlDecoder = this;
int num = urlDecoder._numChars;
int num1 = num;
urlDecoder._numChars = num + 1;
this._charBuffer[num1] = ch;
}
internal void AddByte(byte b)
{
if (this._byteBuffer == null)
{
this._byteBuffer = new byte[this._bufferSize];
}
UrlUtility.UrlDecoder urlDecoder = this;
int num = urlDecoder._numBytes;
int num1 = num;
urlDecoder._numBytes = num + 1;
this._byteBuffer[num1] = b;
}
private static string UrlDecodeStringFromStringInternal(string s, Encoding e)
{
int length = s.Length;
UrlUtility.UrlDecoder urlDecoder = new UrlUtility.UrlDecoder(length, e);
for (int i = 0; i < length; i++)
{
char chr = s[i];
if (chr != '+')
{
if (chr == '%' && i < length - 2)
{
if (s[i + 1] != 'u' || i >= length - 5)
{
int num = UrlUtility.HexToInt(s[i + 1]);
int num1 = UrlUtility.HexToInt(s[i + 2]);
if (num < 0 || num1 < 0)
{
goto Label1;
}
byte num2 = (byte)(num << 4 | num1);
i = i + 2;
urlDecoder.AddByte(num2);
goto Label0;
}
else
{
int num3 = UrlUtility.HexToInt(s[i + 2]);
int num4 = UrlUtility.HexToInt(s[i + 3]);
int num5 = UrlUtility.HexToInt(s[i + 4]);
int num6 = UrlUtility.HexToInt(s[i + 5]);
if (num3 < 0 || num4 < 0 || num5 < 0 || num6 < 0)
{
goto Label1;
}
chr = (char)((ushort)(num3 << 12 | num4 << 8 | num5 << 4 | num6));
i = i + 5;
urlDecoder.AddChar(chr);
continue;
}
}
}
else
{
chr = ' ';
}
Label1:
if ((chr & '\uFF80') != 0)
{
urlDecoder.AddChar(chr);
}
else
{
urlDecoder.AddByte((byte)chr);
}
}
return urlDecoder.GetString();
}
