private void WriteEncoded(char[] ca, int offset, long length)
{
if (_bout == null)
{
_bout = new ByteArrayOutputStream2((int)(2 * length));
_writer = new BinaryWriter(_bout, __ISO_8859_1);
}
else
{
_bout.Reset();
}
_writer.Write(ca, offset, (int)length);
_writer.Flush();
EnsureSpareCapacity(_bout.Length);
Buffer.BlockCopy(_bout.GetBuffer(), 0, _buf, _size, (int)_bout.Length);
_size += (int)_bout.Length;
}
/// <summary>
/// Decoded parameters to Map.
/// </summary>
/// <param name="input">the stream containing the encoded parameters</param>
/// <param name="map"></param>
/// <param name="charset"></param>
/// <param name="maxLength"></param>
public static void DecodeTo(Stream input, MultiMap <string> map, string charset, int maxLength)
{
if (charset == null || StringUtil.__ISO_8859_1.Equals(charset))
{
Decode88591To(input, map, maxLength);
return;
}
if (StringUtil.__UTF8.Equals(charset, StringComparison.OrdinalIgnoreCase))
{
DecodeUtf8To(input, map, maxLength);
return;
}
if (StringUtil.__UTF16.Equals(charset, StringComparison.OrdinalIgnoreCase)) // Should be all 2 byte encodings
{
DecodeUtf16To(input, map, maxLength);
return;
}
lock (map)
{
string key = null;
string value = null;
int c;
int digit = 0;
int digits = 0;
int totalLength = 0;
ByteArrayOutputStream2 output = new ByteArrayOutputStream2();
input.Position = 0;
long size = 0;
while ((c = input.ReadByte()) > 0)
{
switch ((char)c)
{
case '&':
size = output.Length;
value = size == 0 ? "" : Encoding.GetEncoding(charset).GetString(output.GetBuffer(), 0, (int)size);
output.Position = 0;
if (key != null)
{
map.Append(key, value);
}
else if (value != null && value.Length > 0)
{
map.Append(value, "");
}
key = null;
value = null;
break;
case '=':
if (key != null)
{
output.WriteByte(c);
break;
}
size = output.Length;
key = size == 0 ? "" : Encoding.GetEncoding(charset).GetString(output.GetBuffer(), 0, (int)size);
output.Position = 0;
break;
case '+':
output.WriteByte(' ');
break;
case '%':
digits = 2;
break;
default:
if (digits == 2)
{
digit = TypeUtil.ConvertHexDigit((byte)c);
digits = 1;
}
else if (digits == 1)
{
int v = (byte)(digit << 4) + TypeUtil.ConvertHexDigit((byte)c);
output.WriteByte(v);
digits = 0;
}
else
{
output.WriteByte((byte)c);
}
break;
}
totalLength++;
if (maxLength >= 0 && totalLength > maxLength)
{
throw new InvalidOperationException("Form too large");
}
}
size = output.Length;
if (key != null)
{
value = size == 0 ? "" : Encoding.GetEncoding(charset).GetString(output.GetBuffer(), 0, (int)size);
output.Position = 0;
map.Append(key, value);
}
else if (size > 0)
{
map.Append(Encoding.GetEncoding(charset).GetString(output.GetBuffer(), 0, (int)size), "");
}
}
}