//use for encoding headers
internal IEncodableStream GetEncoderForHeader(Encoding encoding, bool useBase64Encoding, int headerTextLength)
{
byte[] header = CreateHeader(encoding, useBase64Encoding);
byte[] footer = CreateFooter();
WriteStateInfoBase writeState;
if (useBase64Encoding)
{
writeState = new Base64WriteStateInfo(InitialBufferSize, header, footer, DefaultMaxLineLength, headerTextLength);
return new Base64Stream((Base64WriteStateInfo)writeState);
}
writeState = new WriteStateInfoBase(InitialBufferSize, header, footer, DefaultMaxLineLength, headerTextLength);
return new QEncodedStream(writeState);
}
//use for encoding headers
internal IEncodableStream GetEncoderForHeader(Encoding encoding, bool useBase64Encoding, int headerTextLength)
{
byte[] header = CreateHeader(encoding, useBase64Encoding);
byte[] footer = CreateFooter();
WriteStateInfoBase writeState;
if (useBase64Encoding)
{
writeState = new Base64WriteStateInfo(InitialBufferSize, header, footer, DefaultMaxLineLength, headerTextLength);
return(new Base64Stream((Base64WriteStateInfo)writeState));
}
writeState = new WriteStateInfoBase(InitialBufferSize, header, footer, DefaultMaxLineLength, headerTextLength);
return(new QEncodedStream(writeState));
}
internal QEncodedStream(WriteStateInfoBase wsi) : base(new MemoryStream())
{
_writeState = wsi;
}
internal QEncodedStream(WriteStateInfoBase wsi)
{
this.writeState = wsi;
}
internal QEncodedStream(WriteStateInfoBase wsi) : base(new MemoryStream())
{
_writeState = wsi;
}
public int EncodeBytes(byte[] buffer, int offset, int count)
{
this.writeState.CurrentLineLength += this.writeState.HeaderLength + this.writeState.MimeHeaderLength;
this.writeState.AppendHeader();
int index = offset;
while (index < (count + offset))
{
if ((((this.lineLength != -1) && ((this.WriteState.CurrentLineLength + 5) >= this.lineLength)) && (((buffer[index] == 0x20) || (buffer[index] == 9)) || ((buffer[index] == 13) || (buffer[index] == 10)))) || ((this.WriteState.CurrentLineLength + this.writeState.FooterLength) >= this.lineLength))
{
int num2;
int num3;
int num4;
if ((this.WriteState.Buffer.Length - this.WriteState.Length) < this.WriteState.FooterLength)
{
this.WriteState.ResizeBuffer();
}
this.WriteState.AppendFooter();
WriteStateInfoBase writeState = this.WriteState;
writeState.Length = (num2 = writeState.Length) + 1;
this.WriteState.Buffer[num2] = 13;
WriteStateInfoBase base2 = this.WriteState;
base2.Length = (num3 = base2.Length) + 1;
this.WriteState.Buffer[num3] = 10;
WriteStateInfoBase base3 = this.WriteState;
base3.Length = (num4 = base3.Length) + 1;
this.WriteState.Buffer[num4] = 0x20;
this.WriteState.AppendHeader();
this.WriteState.CurrentLineLength = this.WriteState.HeaderLength;
}
if ((this.WriteState.CurrentLineLength == 0) && (buffer[index] == 0x2e))
{
int num5;
WriteStateInfoBase base4 = this.WriteState;
base4.Length = (num5 = base4.Length) + 1;
this.WriteState.Buffer[num5] = 0x2e;
}
if (((buffer[index] == 13) && ((index + 1) < (count + offset))) && (buffer[index + 1] == 10))
{
int num6;
int num7;
int num8;
int num9;
int num10;
int num11;
if ((this.WriteState.Buffer.Length - this.WriteState.Length) < 6)
{
this.WriteState.ResizeBuffer();
}
index++;
WriteStateInfoBase base5 = this.WriteState;
base5.Length = (num6 = base5.Length) + 1;
this.WriteState.Buffer[num6] = 0x3d;
WriteStateInfoBase base6 = this.WriteState;
base6.Length = (num7 = base6.Length) + 1;
this.WriteState.Buffer[num7] = 0x30;
WriteStateInfoBase base7 = this.WriteState;
base7.Length = (num8 = base7.Length) + 1;
this.WriteState.Buffer[num8] = 0x44;
WriteStateInfoBase base8 = this.WriteState;
base8.Length = (num9 = base8.Length) + 1;
this.WriteState.Buffer[num9] = 0x3d;
WriteStateInfoBase base9 = this.WriteState;
base9.Length = (num10 = base9.Length) + 1;
this.WriteState.Buffer[num10] = 0x30;
WriteStateInfoBase base10 = this.WriteState;
base10.Length = (num11 = base10.Length) + 1;
this.WriteState.Buffer[num11] = 0x41;
WriteStateInfoBase base11 = this.WriteState;
base11.CurrentLineLength += 6;
}
else if (((buffer[index] < 0x20) && (buffer[index] != 9)) || ((buffer[index] == 0x3d) || (buffer[index] > 0x7e)))
{
int num12;
int num13;
int num14;
if ((this.WriteState.Buffer.Length - this.WriteState.Length) < 3)
{
this.WriteState.ResizeBuffer();
}
WriteStateInfoBase base12 = this.WriteState;
base12.CurrentLineLength += 3;
WriteStateInfoBase base13 = this.WriteState;
base13.Length = (num12 = base13.Length) + 1;
this.WriteState.Buffer[num12] = 0x3d;
WriteStateInfoBase base14 = this.WriteState;
base14.Length = (num13 = base14.Length) + 1;
this.WriteState.Buffer[num13] = hexEncodeMap[buffer[index] >> 4];
WriteStateInfoBase base15 = this.WriteState;
base15.Length = (num14 = base15.Length) + 1;
this.WriteState.Buffer[num14] = hexEncodeMap[buffer[index] & 15];
}
else if (buffer[index] == 0x20)
{
int num15;
if ((this.WriteState.Buffer.Length - this.WriteState.Length) < 1)
{
this.WriteState.ResizeBuffer();
}
WriteStateInfoBase base16 = this.WriteState;
base16.CurrentLineLength++;
WriteStateInfoBase base17 = this.WriteState;
base17.Length = (num15 = base17.Length) + 1;
this.WriteState.Buffer[num15] = 0x5f;
}
else
{
int num16;
if ((this.WriteState.Buffer.Length - this.WriteState.Length) < 1)
{
this.WriteState.ResizeBuffer();
}
WriteStateInfoBase base18 = this.WriteState;
base18.CurrentLineLength++;
WriteStateInfoBase base19 = this.WriteState;
base19.Length = (num16 = base19.Length) + 1;
this.WriteState.Buffer[num16] = buffer[index];
}
index++;
}
this.WriteState.AppendFooter();
return(index - offset);
}
internal QEncodedStream(WriteStateInfoBase wsi)
{
this.writeState = wsi;
}
