makemain.cpp

来自「Think in C++文中代码实现」· C++ 代码 · 共 59 行

// File from page 251 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).
//////////////////////////////////////////////////

//: MAKEMAIN.CPP -- Create a shell main() file
#include <fstream.h>
#include <strstrea.h>
#include <assert.h>
#include <string.h>
#include <ctype.h>

main(int argc, char* argv[]) {
  assert(argc == 2);
  // Don't replace it if it exists:
  ofstream mainfile(argv[1], ios::noreplace);
  assert(mainfile);
  istrstream name(argv[1]);
  ostrstream CAPname;
  char c;
  while(name.get(c))
    CAPname << char(toupper(c));
  CAPname << ends;
  mainfile << "//:"  << ' ' << CAPname.rdbuf()
    << " -- " << endl
    << "#include <iostream.h>" << endl
    << endl
    << "main() {" << endl << endl
    << "}" << endl;
}