input.h

《c++ 实践之路》光盘中的源代码

#if !defined (INPUT_H)
#define INPUT_H
// (c) Bartosz Milewski 2000

const int maxBuf = 100;

// Tokens are tokNumber, tokError, +, -, *, /.

const int tokNumber = 1;
const int tokError  = 2;

// Gets input from stdin, converts to token.

class Input
{
public:
	Input ();
	int Token () const { return _token; }
	int Number () const;
private:
	int  _token;
	char _buf [maxBuf];
};

#endif