datalog.h

来自「Think in C++文中代码实现」· C头文件 代码 · 共 60 行

// File from page 261 in "Thinking in C++" by Bruce Eckel
//////////////////////////////////////////////////
// From the compressed package ECKELT02.ZIP 4/11/95
// (Original ECKELT01.ZIP dated 2/21/95)
// Copyright (c) Bruce Eckel, 1995 
// Source code file from the book "Thinking in C++", 
// Prentice Hall, 1995, ISBN: 0-13-917709-4
// All rights reserved EXCEPT as allowed by the following 
// statements: You may freely use this file for your own 
// work, including modifications and distribution in 
// executable form only. You may copy and distribute this 
// file, as long as it is only distributed in the complete 
// (compressed) package with the other files from this 
// book and you do not remove this copyright and notice. 
// You may not distribute modified versions of the source 
// code in this package. This package may be freely placed 
// on bulletin boards, internet nodes, shareware disks and 
// product vendor disks. You may not use this file in 
// printed media without the express permission of the 
// author. Bruce Eckel makes no 
// representation about the suitability of this software 
// for any purpose. It is provided "as is" without express 
// or implied warranty of any kind. The entire risk as to 
// the quality and performance of the software is with 
// you. Should the software prove defective, you assume 
// the cost of all necessary servicing, repair, or 
// correction. 
// If you think you've found an error, please 
// email all modified files with loudly commented changes 
// to: [e-mail] (please use the same 
// address for non-code errors found in the book).
//////////////////////////////////////////////////

//: DATALOG.H -- Datalogger record layout
#ifndef DATALOG_H_
#define DATALOG_H_
#include <time.h>
#include <iostream.h>
#define BSZ 10

class datapoint {
  tm Tm; // Time & day
  // Ascii degrees (*) minutes (') seconds ("):
  char Latitude[BSZ], Longitude[BSZ];
  double Depth, Temperature;
public:
  tm Time(); // read the time
  void Time(tm T); // set the time
  const char* latitude(); // read
  void latitude(const char* l); // set
  const char* longitude(); // read
  void longitude(const char* l); // set
  double depth(); // read
  void depth(double d); // set
  double temperature(); // read
  void temperature(double t); // set
  void print(ostream& os);
};
#endif // DATALOG_H_