OOP版電子辞書拡張1


/*
*             
* Copyright (c)2014,            
* All rightsreserved.
*     : fibnacci.cpp
*       :   
*     :2014 6 5 
*    : v1.0
*
*     :
*     :
*     :
*     :
*/
#include <iostream>
#include <cstring>
#include <fstream>
using namespace std;
class Word
{
private:
    string english;
    string chinese;
    string word_class;
public:
    void getword(string e,string c,string w)
    {
        english=e,chinese=c,word_class=w;
    }
    void dispaly()
    {
        cout<<english<<'\t'<<chinese<<'\t'<<word_class<<endl;
    }
    bool dengyu(string &w)
    {
        bool f=false;
        if(w==english)
        {
            f=true;
        }
        return f;
    }
    bool dayu(string &w)
    {
        bool f=false;
        if(w>english)
        {
            f=true;
        }
        return f;
    }

};
class Dictionary
{
private:
    int wordsNum;
    Word words[8000];
public:
    Dictionary()
    {
        int i=0;
        string e,c,w;
        ifstream infile("dictionary.txt");
        if(!infile)
        {
            cout<<"    !"<<endl;
        }
        while(infile>>e>>c>>w)
        {
            words[i].getword(e,c,w);
            i++;
        }
        wordsNum=i-1;
    }
    void fin(string w)
    {
        int mi=0,mid=wordsNum/2,ma=wordsNum;
        while(1)
        {
            if(words[mid].dengyu(w))
            {
                words[mid].dispaly();
                break;
            }
            else
            {
                if(words[mid].dayu(w))
                {
                    mi=mid+1;
                    mid=(wordsNum+mi)/2;
                }
                else
                {
                    ma=mid-1;
                    mid=(ma+mi)/2;
                }
            }
            if(mi>ma)
            {
                cout<<"   !"<<endl;
                break;
            }
        }
    }
};
int main()
{
    string word;
    Dictionary dictionary;
    ifstream infile("aboutcpp.txt");
    if(!infile)
    {
        cout<<"    !"<<endl;
    }
    while(infile>>word)
    {
        cout<<word<<"--------";
        if((word>"@"&&word<"[")||(word>"`"&&word<"{"))
            dictionary.fin(word);

    }
    return 0;
}