protected override void ScanHeaderFieldValue(HeaderBuffer headerBuffer, string decapitalizedFieldName, int startOffset)
{
switch (decapitalizedFieldName)
{
case "host":
// save its value, but its span is unnecessary
if (this.HostEndPoint == null)
{
string hostValue = HeaderBuffer.TrimHeaderFieldValue(headerBuffer.ReadFieldASCIIValue(false));
this.HostEndPoint = Util.ParseEndPoint(hostValue, canOmitPort: true);
}
else
{
headerBuffer.SkipField();
}
this.HostSpan = new Span(startOffset, headerBuffer.CurrentOffset);
break;
case "proxy-authorization":
// save its span, but its value is unnecessary
headerBuffer.SkipField();
this.ProxyAuthorizationSpan = new Span(startOffset, headerBuffer.CurrentOffset);
break;
default:
base.ScanHeaderFieldValue(headerBuffer, decapitalizedFieldName, startOffset);
break;
}
}
protected virtual void ScanHeaderFieldValue(HeaderBuffer headerBuffer, string decapitalizedFieldName, int startOffset)
{
// argument checks
Debug.Assert(headerBuffer != null);
string value;
switch (decapitalizedFieldName)
{
case "content-length":
value = headerBuffer.ReadFieldASCIIValue(decapitalize: false);
this.ContentLength = HeaderBuffer.ParseHeaderFieldValueAsLong(value);
break;
case "transfer-encoding":
value = headerBuffer.ReadFieldASCIIValue(decapitalize: true);
if (HeaderBuffer.IsChunkedSpecified(value) == false)
{
throw MessageBuffer.CreateBadRequestException();
}
this.ContentLength = -1; // -1 means 'chunked'
break;
default:
// just skip
headerBuffer.SkipField();
break;
}
}
protected virtual bool ScanHeaderField(HeaderBuffer headerBuffer)
{
// argument checks
Debug.Assert(headerBuffer != null);
// read the first byte
bool emptyLine;
Func <byte, bool> hasInterest = (b) => {
char c = Char.ToLower((char)b);
return(IsInterestingHeaderFieldFirstChar(c));
};
byte firstByte = headerBuffer.ReadFieldNameFirstByte();
if (firstByte == MessageBuffer.CR || hasInterest(firstByte) == false)
{
// no interest, just skip this line
emptyLine = headerBuffer.SkipField(firstByte);
}
else
{
// scan this field
int startOffset = headerBuffer.CurrentOffset - 1; // Note we have already read one byte
string decapitalizedFieldName = headerBuffer.ReadFieldName(firstByte);
ScanHeaderFieldValue(headerBuffer, decapitalizedFieldName, startOffset);
emptyLine = false;
}
return(emptyLine);
}
