/*

* Copyright (C) 2021 Frank Mertens.

*

* Distribution and use is allowed under the terms of the GNU General Public License version 3

* (see CoreComponents/LICENSE-gpl-3.0).

*

*/

#pragma once

#include <cc/HttpMessage>

#include <cc/HttpStream>

namespace cc {

class LineSource;

/** \class HttpMessageParser cc/HttpMessageParser

* \ingroup http_protocol

* \brief HTTP message parser

*/

class HttpMessageParser: public Object

{

public:

/** Create a null HTTP message parser

*/

HttpMessageParser() = default;

/** Read next HTTP message

* \param message Returns the next message

*/

void readMessage(Out<HttpMessage> message) { return me().readMessage(message); }

/** Payload has been fully consumed

*/

bool isPayloadConsumed() const { return me().isPayloadConsumed(); }

protected:

friend class HttpMessageGenerator;

struct State: public Object::State

{

State(const Stream &stream);

bool isPayloadConsumed() const;

void readMessage(Out<HttpMessage> message);

virtual void onFirstLineReceived(const String &line, HttpMessage &message) {}

virtual void onHeaderReceived(HttpMessage &message) {}

HttpStream httpStream_;

String lineBuffer_;

};

explicit HttpMessageParser(State *newState);

const State &me() const { return Object::me.as<State>(); }

State &me() { return Object::me.as<State>(); }

};

} // namespace cc