public HttpMessageStartLine Parse(Memory <char> content)
{
var span = content.Span;
var lineLength = span.IndexOf("\r\n".AsSpan());
var line = content.Slice(0, lineLength);
span = line.Span;
lineLength = span.Length;
HttpMessageStartLine startLine = null;
HttpMessageType messageType;
if (MemoryExtensions.Equals(span.Slice(0, 4), "HTTP".AsSpan(), StringComparison.OrdinalIgnoreCase))
{
messageType = HttpMessageType.Response;
}
else
{
messageType = HttpMessageType.Request;
}
if (messageType == HttpMessageType.Response)
{
int pointer = 0;
Memory <char> msgProtocolVersion = default;
Memory <char> msgCode = default;
Memory <char> msgContent = default;
for (int i = pointer; i < lineLength; i++)
{
if (span[i] == ' ')
{
msgProtocolVersion = content.Slice(pointer, i);
pointer = i;
break;
}
}
for (int i = pointer; i < lineLength; i++)
{
if (span[i] != ' ')
{
pointer = i;
break;
}
}
for (int i = pointer; i < lineLength; i++)
{
if (span[i] == ' ')
{
msgCode = content.Slice(pointer, i - (pointer));
pointer = i;
break;
}
}
for (int i = pointer; i < lineLength; i++)
{
if (span[i] != ' ')
{
msgContent = content.Slice(i, lineLength - i);
break;
}
}
startLine = new HttpResponseStartLine(messageType, content.Slice(0, lineLength), msgProtocolVersion, msgCode, msgContent);
}
else
{
int pointer = 0;
Memory <char> msgProtocolVersion = default;
Memory <char> msgMethod = default;
Memory <char> msgAddressee = default;
for (int i = pointer; i < lineLength; i++)
{
if (span[i] == ' ')
{
msgMethod = content.Slice(0, i);
pointer = i;
break;
}
}
for (int i = pointer; i < lineLength; i++)
{
if (span[i] != ' ')
{
pointer = i;
break;
}
}
for (int i = pointer; i < lineLength; i++)
{
if (span[i] == ' ')
{
msgAddressee = content.Slice(pointer, i - (pointer));
pointer = i;
break;
}
}
for (int i = pointer; i < lineLength; i++)
{
if (span[i] != ' ')
{
pointer = i;
break;
}
}
int end = lineLength;
for (int i = pointer; i < lineLength; i++)
{
if (span[i] == ' ')
{
end = i - 1;
}
}
msgProtocolVersion = content.Slice(pointer, end - pointer);
startLine = new HttpRequestStartLine(messageType, content.Slice(0, lineLength), msgProtocolVersion, msgMethod, msgAddressee);
}
content = content.Slice(lineLength);
return(startLine);
}
protected override void CreateStartLine(byte[] data)
{
this.StartLine = new HttpRequestStartLine(data);
}
protected override void CreateStartLine(byte[] data)
{
this.StartLine = new HttpRequestStartLine(data);
}
