sandbox/io.h

32 lines
686 B
C++

#ifndef __KF_IO_H__
#define __KF_IO_H__
#include "defs.h"
#include "stack.h"
class IO {
public:
// Virtual destructor is required in all ABCs.
virtual ~IO() {};
// Building block methods.
virtual char rdch(void) = 0;
virtual void wrch(char c) = 0;
// Buffer I/O.
virtual size_t rdbuf(char *buf, size_t len, bool stopat, char stopch) = 0;
virtual void wrbuf(char *buf, size_t len) = 0;
// Line I/O
virtual bool rdln(char *buf, size_t len, size_t *readlen) = 0;
virtual void wrln(char *buf, size_t len) = 0;
virtual void newline(void) = 0;
};
void write_num(IO *, KF_INT);
void write_dnum(IO *, KF_LONG);
void write_dstack(IO *, Stack<KF_INT>);
#endif // __KF_IO_H__