// Token: 0x06000650 RID: 1616 RVA: 0x00024404 File Offset: 0x00022604
public sealed override ByteEncoder Clone()
{
QPEncoder qpencoder = base.MemberwiseClone() as QPEncoder;
qpencoder.encoded = (this.encoded.Clone() as byte[]);
return(qpencoder);
}
// Token: 0x0600064D RID: 1613 RVA: 0x0002395C File Offset: 0x00021B5C
public sealed override void Convert(byte[] input, int inputIndex, int inputSize, byte[] output, int outputIndex, int outputSize, bool flush, out int inputUsed, out int outputUsed, out bool completed)
{
if (inputSize != 0)
{
if (input == null)
{
throw new ArgumentNullException("input");
}
if (inputIndex < 0 || inputIndex >= input.Length)
{
throw new ArgumentOutOfRangeException("inputIndex");
}
if (inputSize < 0 || inputSize > input.Length - inputIndex)
{
throw new ArgumentOutOfRangeException("inputSize");
}
}
if (output == null)
{
throw new ArgumentNullException("output");
}
if (outputIndex < 0 || outputIndex >= output.Length)
{
throw new ArgumentOutOfRangeException("outputIndex");
}
if (outputSize < 1 || outputSize > output.Length - outputIndex)
{
throw new ArgumentOutOfRangeException("outputSize");
}
inputUsed = 0;
outputUsed = outputIndex;
if (this.encodedSize != 0)
{
int num = Math.Min(this.encodedSize, outputSize);
if ((num & 4) != 0)
{
output[outputIndex++] = this.encoded[this.encodedIndex++];
output[outputIndex++] = this.encoded[this.encodedIndex++];
output[outputIndex++] = this.encoded[this.encodedIndex++];
output[outputIndex++] = this.encoded[this.encodedIndex++];
}
if ((num & 2) != 0)
{
output[outputIndex++] = this.encoded[this.encodedIndex++];
output[outputIndex++] = this.encoded[this.encodedIndex++];
}
if ((num & 1) != 0)
{
output[outputIndex++] = this.encoded[this.encodedIndex++];
}
outputSize -= num;
this.encodedSize -= num;
if (this.encodedSize != 0)
{
outputUsed = outputIndex - outputUsed;
completed = false;
return;
}
this.encodedIndex = 0;
}
inputUsed = inputIndex;
int num2 = inputSize + inputIndex;
while (num2 != inputIndex || (flush && (this.state != QPEncoder.State.Normal || this.lineOffset != 0)))
{
if (this.IsState(QPEncoder.State.ForceSplit))
{
if (this.lineOffset + 1 > 76)
{
throw new Exception(EncodersStrings.QPEncoderNoSpaceForLineBreak);
}
this.encoded[this.encodedSize++] = 61;
this.encoded[this.encodedSize++] = 13;
this.encoded[this.encodedSize++] = 10;
this.lineOffset++;
this.lineOffset = 0;
this.state &= ~QPEncoder.State.ForceSplit;
}
else if (num2 != inputIndex && input[inputIndex] == 10)
{
if (this.IsState(QPEncoder.State.LastCR))
{
if (this.IsState(QPEncoder.State.LastWSpCR))
{
if (this.lineOffset + 3 > 76)
{
this.state |= QPEncoder.State.ForceSplit;
continue;
}
this.encoded[this.encodedSize++] = 61;
this.encoded[this.encodedSize++] = ByteEncoder.NibbleToHex[this.lastWSp >> 4];
this.encoded[this.encodedSize++] = ByteEncoder.NibbleToHex[(int)(this.lastWSp & 15)];
this.lineOffset += 3;
this.state &= ~QPEncoder.State.LastWSpCR;
}
}
else
{
if (this.IsState(QPEncoder.State.LastWSp))
{
if (this.lineOffset + 1 + 1 > 76)
{
this.state |= QPEncoder.State.ForceSplit;
continue;
}
this.encoded[this.encodedSize++] = this.lastWSp;
this.lineOffset++;
this.state &= ~QPEncoder.State.LastWSp;
}
if (this.lineOffset + 4 > 76)
{
this.state |= QPEncoder.State.ForceSplit;
continue;
}
this.encoded[this.encodedSize++] = 61;
this.encoded[this.encodedSize++] = ByteEncoder.NibbleToHex[0];
this.encoded[this.encodedSize++] = ByteEncoder.NibbleToHex[10];
this.encoded[this.encodedSize++] = 61;
this.lineOffset += 4;
}
this.encoded[this.encodedSize++] = 13;
this.encoded[this.encodedSize++] = 10;
this.lineOffset = 0;
this.state &= ~QPEncoder.State.LastCR;
inputIndex++;
}
else
{
if (this.IsState(QPEncoder.State.LastWSp))
{
if (num2 == inputIndex || input[inputIndex] != 13)
{
if (this.lineOffset + 1 + 1 > 76)
{
this.state |= QPEncoder.State.ForceSplit;
continue;
}
this.encoded[this.encodedSize++] = this.lastWSp;
this.lineOffset++;
this.state &= ~QPEncoder.State.LastWSp;
}
}
else if (this.IsState(QPEncoder.State.LastCR))
{
if (this.IsState(QPEncoder.State.LastWSpCR))
{
if (this.lineOffset + 1 + 1 > 76)
{
this.state |= QPEncoder.State.ForceSplit;
continue;
}
this.encoded[this.encodedSize++] = this.lastWSp;
this.lineOffset++;
this.state &= ~QPEncoder.State.LastWSpCR;
}
if (this.lineOffset + 3 + 1 > 76)
{
this.state |= QPEncoder.State.ForceSplit;
continue;
}
this.encoded[this.encodedSize++] = 61;
this.encoded[this.encodedSize++] = ByteEncoder.NibbleToHex[0];
this.encoded[this.encodedSize++] = ByteEncoder.NibbleToHex[13];
this.lineOffset += 3;
this.state &= ~QPEncoder.State.LastCR;
}
if (num2 == inputIndex)
{
if (this.lineOffset != 0)
{
this.state |= QPEncoder.State.ForceSplit;
continue;
}
}
else
{
byte b = input[inputIndex];
if (QPEncoder.IsSafe(b))
{
if (this.lineOffset + 1 + 1 > 76)
{
this.state |= QPEncoder.State.ForceSplit;
continue;
}
this.encoded[this.encodedSize++] = b;
this.lineOffset++;
}
else if (b == 13)
{
this.state |= QPEncoder.State.LastCR;
if (QPEncoder.State.LastWSp == (this.state & QPEncoder.State.LastWSp))
{
this.state |= QPEncoder.State.LastWSpCR;
this.state &= ~QPEncoder.State.LastWSp;
}
}
else if (b == 32 || b == 9)
{
this.state |= QPEncoder.State.LastWSp;
this.lastWSp = b;
}
else if (QPEncoder.IsQPEncode(b))
{
if (this.lineOffset + 3 + 1 > 76)
{
this.state |= QPEncoder.State.ForceSplit;
continue;
}
this.encoded[this.encodedSize++] = 61;
this.encoded[this.encodedSize++] = ByteEncoder.NibbleToHex[b >> 4];
this.encoded[this.encodedSize++] = ByteEncoder.NibbleToHex[(int)(b & 15)];
this.lineOffset += 3;
}
else if (this.modeEBCDIC)
{
if (this.lineOffset + 3 + 1 > 76)
{
this.state |= QPEncoder.State.ForceSplit;
continue;
}
this.encoded[this.encodedSize++] = 61;
this.encoded[this.encodedSize++] = ByteEncoder.NibbleToHex[b >> 4];
this.encoded[this.encodedSize++] = ByteEncoder.NibbleToHex[(int)(b & 15)];
this.lineOffset += 3;
}
else
{
if (this.lineOffset + 1 + 1 > 76)
{
this.state |= QPEncoder.State.ForceSplit;
continue;
}
this.encoded[this.encodedSize++] = b;
this.lineOffset++;
}
inputIndex++;
}
}
this.encodedIndex = 0;
int num3 = Math.Min(this.encodedSize, outputSize);
if ((num3 & 4) != 0)
{
output[outputIndex++] = this.encoded[this.encodedIndex++];
output[outputIndex++] = this.encoded[this.encodedIndex++];
output[outputIndex++] = this.encoded[this.encodedIndex++];
output[outputIndex++] = this.encoded[this.encodedIndex++];
}
if ((num3 & 2) != 0)
{
output[outputIndex++] = this.encoded[this.encodedIndex++];
output[outputIndex++] = this.encoded[this.encodedIndex++];
}
if ((num3 & 1) != 0)
{
output[outputIndex++] = this.encoded[this.encodedIndex++];
}
outputSize -= num3;
this.encodedSize -= num3;
if (this.encodedSize != 0)
{
break;
}
this.encodedIndex = 0;
}
outputUsed = outputIndex - outputUsed;
inputUsed = inputIndex - inputUsed;
completed = (num2 == inputIndex && this.encodedSize == 0 && (!flush || QPEncoder.State.Normal == this.state));
}