PyCallable.h

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/*
    ------------------------------------------------------------------------------------
    LICENSE:
    ------------------------------------------------------------------------------------
    This file is part of EVEmu: EVE Online Server Emulator
    Copyright 2006 - 2021 The EVEmu Team
    For the latest information visit https://evemu.dev
    ------------------------------------------------------------------------------------
    This program is free software; you can redistribute it and/or modify it under
    the terms of the GNU Lesser General Public License as published by the Free Software
    Foundation; either version 2 of the License, or (at your option) any later
    version.

    This program is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License along with
    this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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    http://www.gnu.org/copyleft/lesser.txt.
    ------------------------------------------------------------------------------------
    Author:        Zhur
*/


#ifndef __PYCALLABLE_H__
#define __PYCALLABLE_H__

#include "ServiceDB.h"

class Client;

class PyRep;
class PyTuple;
class PyDict;

class PyServiceMgr;
class PyCallStream;

class PyCallArgs
{
public:
    PyCallArgs( Client *c, PyTuple* tup, PyDict* dict );
    ~PyCallArgs();

    void Dump( LogType type ) const;

    Client* const client;    //we do not own this
    PyTuple* tuple;        //we own this, but it may be taken
    std::map<std::string, PyRep*> byname;    //we own this, but elements may be taken.
};

class PyResult
{
public:
    PyResult();
    PyResult( PyRep* result );
    PyResult( PyRep* result, PyDict* namedResult );
    PyResult( const PyResult& oth );
    ~PyResult();

    PyResult& operator=( const PyResult& oth );

    PyRep* ssResult;
    PyDict* ssNamedResult;
};

class PyCallable
{
public:
    class CallDispatcher
    {
    public:
        virtual ~CallDispatcher() {}

        virtual PyResult Dispatch( const std::string& method_name, PyCallArgs& call ) = 0;
    };

    PyCallable();
    virtual ~PyCallable();

    //returns ownership:
    virtual PyResult Call( const std::string& method, PyCallArgs& args );

protected:
    void _SetCallDispatcher( CallDispatcher* d ) { m_serviceDispatch = d; }

private:
    CallDispatcher* m_serviceDispatch;    //must not be NULL after constructor, we do not own this.
};

#endif // __PYCALLABLE_H__