capcode.cpp

来自「Think in C++文中代码实现」· C++ 代码 · 共 76 行

// Non-printed example 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).
//////////////////////////////////////////////////

//: CAPCODE.CPP -- Capitalize first word of code comments
#include <fstream.h>
#include <strstrea.h>
#include <ctype.h>
#include <string.h>
#include "..\allege.h"

main(int argc, char* argv[]) {
  allege(argc == 2,
  "Usage: capcode file\n"
  "Capitalizes first word of source-code comments");
  strstream s;
  {
    ifstream in(argv[1]);
    allegefile(in);
    const sz = 255;
    char buf[sz];
    while(in.getline(buf,sz)) {
      if(buf[0] == '/' && buf[1] == '/' && buf[2] == ':') {
        char* p = strstr(buf, "--");
        p += 2;
        while(isspace(*p)) p++;
        *p = toupper(*p);
      } else {
        char* comment = strstr(buf, "//");
        if(comment && (comment[2] == '!')) {  // Special error marker
          comment = strstr(comment + 2, "//");
          // Cout << "found error marker" << endl;
        }
        if(comment) {
          comment += 2; // Move past comment marker
          while(isspace(*comment)) comment++; // Look for first character
          *comment = toupper(*comment); // Force to upper case
        }
      }
      s << buf << endl;
    }
  }
  ofstream out(argv[1]);
  allegefile(out);
  out << s.rdbuf();
}