message.h

/*
    IL : Intlog Language
    Object Oriented Prolog Project
    Copyright (C) 1992-2021 - Ing. Capelli Carlo

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
*/


#ifndef MESSAGE_H_
#define MESSAGE_H_

#include "iafx.h"
#include <iostream>
using namespace std;

/////////////////////
// a messages table
//
class IAFX_API MsgTable {
public:
    MsgTable(ostream *);
    ~MsgTable();

    int add(int code, const char *msg);
    ostream *setoutput(ostream *);

    struct MsgLink {
        const char* string;
        int code;
        MsgLink* link;
    };
    MsgLink* search(int code, MsgLink *from = nullptr) const;

    ostream* str;
    MsgLink* list;
};

//////////////////////////
// change current stream
//
inline ostream *MsgTable::setoutput(ostream *os) {
    ostream *s = str;
    str = os;
    return s;
}

#endif