pstest.cpp

来自「Thinking_in_C___2.rar」· C++ 代码 · 共 43 行

//: C13:Pstest.cpp
// From Thinking in C++, 2nd Edition
// at http://www.BruceEckel.com
// (c) Bruce Eckel 1999
// Copyright notice in Copyright.txt
//{L} PStash
// Test of pointer stash
#include <iostream>
#include <fstream>
#include "../require.h"
#include "PStash.h"
#include "Strings.h"
using namespace std;

int main() {
  PStash intStash;
  // new works with built-in types, too:
  for(int i = 0; i < 25; i++)
    intStash.add(new int(i)); // Pseudo-constr.
  for(int u = 0; u < intStash.count(); u++)
    cout << "intStash[" << u << "] = "
         << *(int*)intStash[u] << endl;

  ifstream infile("pstest.cpp");
  assure(infile, "pstest.cpp");
  const int bufsize = 80;
  char buf[bufsize];
  PStash stringStash;
  // Use global function makeString:
  for(int j = 0; j < 10; j++)
    if(infile.getline(buf, bufsize))
      stringStash.add(makeString(buf));
  // Use static member make:
  while(infile.getline(buf, bufsize))
    stringStash.add(String::make(buf));
  // Print out the strings:
  for(int v = 0; stringStash[v]; v++) {
    char* p = *(String*)stringStash[v];
    cout << "stringStash[" << v << "] = "
         << p << endl;
  }
} ///:~