/*
 * Copyright (c) 2015-2017 Carsten Sonne Larsen  <cs@innolan.dk>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef _PROGRAM_H
#define _PROGRAM_H

/**
 * @file  program.h
 * @brief Program flow and global states.
 *
 */

#include "lib/numb.h"
#include "lib/ntext.h"
#include "main/values.h"
#include "main/graphlist.h"
#include "main/functions.h"
#include "system/console.h"
#include "system/language.h"
#include "system/filesystem.h"
#include "system/preferences.h"

class Program;
extern class Program *Program;

/**
* @brief Master control class.
*
* This control class handles all processes and data
* in the entire program. It usually only exist as a
* single instance.
*/
class Program {
public:
    Program();
    virtual ~Program();
    virtual void Initialize(int argc, char **argv) = 0;
    virtual void Run() = 0;
    virtual void Exit() = 0;
    void NewPositionalInput(short unsigned int base, short unsigned int digits);
    void NewPositionalOutput(short unsigned int base, short unsigned int digits);
    void SetLastResult(Number *number);
    void SetPrompt(const char *text);
    struct Number* GetLastResult();
    class Language *Language;
    class ConsoleBase *Console;
    class PreferencesBase *Preferences;
    class FilesystemBase *Filesystem;
    class NumeralSystem *Input;
    class NumeralSystem *Output;
    class VariableList *Variables;
    class FunctionList *Functions;
    class GraphList *Graphs;

private:
    struct Number* ins;
};

#endif