fileeditor.cpp

C++编程思想第二版第一册答案

//: C20:FileEditor.cpp {O}
// From Thinking in C++, 2nd Edition
// Available at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
#include "FileEditor.h"
#include "../require.h"
#include <fstream>
using namespace std;

FileEditor::FileEditor(char* filename) {
  ifstream in(filename);
  assure(in, filename);
  string line;
  while(getline(in, line))
    push_back(line);
}

// Could also use copy() here:
void FileEditor::write(ostream& out) {
  for(iterator w = begin();  w != end(); w++)
    out << *w << endl;
} ///:~