public void ParseHttpVersion()
{
Assert.Equal(HttpVersion.VERSION_1_1, HttpVersion.Parse("1.1"));
Assert.True(HttpVersion.TryParse("1.1", out _));
Assert.False(HttpVersion.TryParse("1", out _));
Assert.False(HttpVersion.TryParse("1.a", out _));
Assert.False(HttpVersion.TryParse("a.1", out _));
}
protected override int ProcessData(byte[] data, bool writeExcess)
{
ThrowIfEnded();
bool run = true; int i = 0;
for (; i < data.Length && run; i++)
{
char c = (char)data[i];
switch (State)
{
case RequestParserState.Method:
if (c != WHITESPACE)
{
StringQueue.Append(c);
}
else
{
Incoming.Method = StringQueue.Next();
StringQueue.New();
State = RequestParserState.Query;
}
break;
case RequestParserState.Query:
if (c != WHITESPACE)
{
StringQueue.Append(c);
}
else
{
if (!Query.TryParse(StringQueue.Next(), out Query result))
{
End();
return(-1);
}
Incoming.Query = result;
StringQueue.New();
State = RequestParserState.Version;
}
break;
case RequestParserState.Version:
if (c != CR)
{
StringQueue.Append(c);
}
else
{
if (!HttpVersion.TryParse(StringQueue.Next(), out HttpVersion result))
{
End();
return(-1);
}
Incoming.Version = result;
StringQueue.New();
State = RequestParserState.FirstLf;
}
break;
case RequestParserState.FirstLf:
if (c != LF)
{
End(); return(-1);
}
State = RequestParserState.HeaderName;
break;
case RequestParserState.HeaderName:
if (c == CR)
{
State = RequestParserState.Lf;
}
else if (c != COLON)
{
StringQueue.Append(c);
}
else
{
StringQueue.New();
State = RequestParserState.HeaderValue;
}
break;
case RequestParserState.HeaderValue:
if (c != CR)
{
StringQueue.Append(c);
}
else
{
Incoming.Headers.Set(StringQueue.Next(), StringQueue.Next().Trim());
State = RequestParserState.HeaderLf;
}
break;
case RequestParserState.HeaderLf:
if (c != LF)
{
End(); return(-1);
}
else
{
StringQueue.New();
State = RequestParserState.HeaderName;
}
break;
case RequestParserState.Lf:
if (c != LF)
{
End(); return(-1);
}
run = false;
PushIncoming();
State = RequestParserState.Method;
break;
}
}
if (writeExcess)
{
int len = data.Length - i;
byte[] sliced = new byte[len];
System.Buffer.BlockCopy(data, i, sliced, 0, len);
Bwrite(sliced);
}
return(i);
}