重装 发现 dw的代码 @stl

如果不是今天整理代码 ，就不知道6个月前,DW 已经在map 等等stl上面的造诣了

这才是真正的编程，而不是站在 一些人的肩膀上 涂改。。

 

 

// dw.cpp : 定义控制台应用程序的入口点。

//

 

#include "stdafx.h"

#include "test.h"

 

 

#include <map>

#include <vector>

#include <iostream>

#include <fstream>

#include <string>

#include <stdexcept>

#include <sstream>

 

using std::map; using std::string; using std::vector;

using std::ifstream; using std::cout; using std::endl;

using std::getline; using std::make_pair;

using std::runtime_error; using std::istringstream;

 

ifstream& open_file(ifstream&, const string&);

 

int main(int argc, char **argv)

{

    // map to hold the word transformation pairs:

    // key is the word to look for in the input; value is word to use in the output

    map<string, string> trans_map;

    string key, value;

 

    if (argc != 3)

        throw runtime_error("wrong number of arguments");

 

    // open transformation file and check that open succeeded

    ifstream map_file;

    if (!open_file(map_file, argv[1]))

        throw runtime_error("no transformation file");

    // read the transformation map and build the map

    while (map_file >> key >> value)

        trans_map.insert(make_pair(key, value));

{

    // ok: let's display it

    map<string, string>::iterator map_it = trans_map.begin();

 

    //cout << "Here is our transformation map: \n\n";

    while (map_it != trans_map.end()) {

        cout << "key: "   << map_it->first;

        if (map_it->first.size() == 1)

            cout << "       ";

        if (map_it->first.size() == 3)

            cout << "     ";

        else if (map_it->first.size() == 4)

            cout << "    ";

        else if (map_it->first.size() == 5)

            cout << "   ";

        cout << "value: " << map_it->second << endl;

        ++map_it;

    }

    cout << "\n\n";

 

    {  // this block just produces the vector so that we can print it

       // for the book

    cout << "Here is our original string input:\n\n";

    // read some text to transform

    ifstream input;

    if (!open_file(input, argv[2]))

        throw runtime_error("no input file");

    string word;

    while (getline(input, word))

         cout << word << endl;

    cout << "\n\n\n";

    input.close(); input.clear();

    }

}

 

    // ok, now we're ready to do the transformations

    // open the input file and check that the open succeeded

    ifstream input;

    if (!open_file(input, argv[2]))

        throw runtime_error("no input file");

 

    string line;   // hold each line from the input

 

    // read the text to transform it a line at a time

    while (getline(input, line)) {

        istringstream stream(line);  // read the line a word at a time

        string word;

        bool firstword = true;  // controls whether a space is printed

        while (stream >> word) {

           // ok: the actual mapwork, this part is the heart of the program

           map<string, string>::const_iterator map_it =

                               trans_map.find(word);

 

           // if this word is in the transformation map

           if (map_it != trans_map.end())

               // replace it by the transformation value in the map

               word = map_it->second; 

           if (firstword)

               firstword = false;

           else

               cout << " ";  // print space between words

           cout << word;

        }

        cout << endl;        // done with this line of input

    }

    return 0;

}

 

 

/*

int _tmain(int argc, _TCHAR* argv[])

{

       int a = 10, b = 20;

       myadd(a,b);

       test(10);

       while(1);

       return 0;

}

*/

 

d:\Documents and Settings\牛牛\My Documents\Visual Studio 2005\Projects\dw\dw

2011年 7月dw的编程水平啊！！！