/*  Starshatter: The Open Source Project
    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
    Copyright (c) 1997-2006, Destroyer Studios LLC.

    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    Declaration of the Reader class
*/

#ifndef Reader_h
#define Reader_h

#include "Text.h"


class Reader
{
public:
    Reader()          { }
    virtual ~Reader() { }

    virtual Text more() = 0;
};


class ConsoleReader : public Reader
{
public:
    virtual Text more() override;

    void printPrimaryPrompt();
    void fillInputBuffer();

private:
    char  buffer[1000];
    char* p;
};


class FileReader : public Reader
{
public:
    FileReader(const char* fname);
    virtual Text more() override;

private:
    Text filename;
    int  done;
};


class BlockReader : public Reader
{
public:
    BlockReader(const char* block);
    BlockReader(const char* block, int len);
    virtual Text more();

private:
    char* data;
    int   done;
    int   length;
};


#endif  // Reader_h