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/* Project nGen
John DiCamillo Software Consulting
Copyright © 1997-2000. All Rights Reserved.
SUBSYSTEM: obelisk
FILE: reader.h
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();
void printPrimaryPrompt();
void fillInputBuffer();
private:
char buffer[1000];
char* p;
};
class FileReader : public Reader
{
public:
FileReader(const char* fname);
virtual Text more();
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
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