C++新闻检索类

研究长字符串快速全文检索技术，实现某电力公司新闻中心新闻稿件全文检索统计系统。
1、  设计实现适合新闻稿件的基础类库
2、  新闻稿件全文检索功能实现
3、  新闻稿件按照关键字统计查询

#pragma once
#ifndef PAPER_H
// we're here only if PAPER_H has not yet been defined 
#define PAPER_H

// Definition of PAPER_H class and related functions goes here
#include <iostream>
#include <string>
#include <vector>
#define For(o,n) for (int i = 0; i < n; i++)
using namespace std;
class Paper {
protected:
    int yy, mm, dd;
    string unite;
    string title;
    //there declarations for kinds of news
public:
    friend istream& operator >> (istream&, Paper&);
    friend ostream& operator <<(ostream&, const Paper &);
    Paper();
    Paper(const Paper &asp);
    virtual ~Paper() {}
    void SetYMDear(const int year, const int month, const int day);
    int GetYear()const;
    int GetMonth()const;
    int GetDay()const;
    string GetTitle()const;
    string GetUnite()const;
    void SetUnite(const string Unite);
    void SetTitle(const string Title);
    virtual int CountWords(const string text) = 0;
};
class Word :virtual public Paper {
protected:
    string contain;
public:
    friend istream& operator >> (istream&, Word&);
    friend ostream& operator <<(ostream&, const Word &);
    Word();
    Word(const string con);
    ~Word() {

    }
    int CountWords(const string text);
};
class vedio :virtual public Paper {
protected:
    string act;
    string Vname;
public:
    friend istream& operator >> (istream&, vedio&);
    friend ostream& operator <<(ostream&, const vedio&);
    vedio();
    ~vedio() {}
    vedio(const string ac, const string vn);
    string GetAct()const;
    string GetVName()const;
    int CountWords(const string text);
};
class Record :virtual public vedio {
protected:
    string ReName;
public:
    friend istream& operator >> (istream&, Record&);
    friend ostream& operator <<(ostream&, const Record &);
    Record();
    ~Record() {}
    Record(const string re);
    int CountWords(const string text);
};
class Poem :virtual public Word {
public:
    Poem() {}
    ~Poem() {}
    int CountWords(const string text);
};
class Other :virtual public Word {
public:
    Other() {}
    ~Other() {}
    int CountWords(const string text);
};
#endif

#include"Paper.h"
istream& operator >> (istream&in, Paper&rhp) {
    in >> rhp.yy >> rhp.mm >> rhp.dd >> rhp.title >> rhp.unite;
    in.ignore();
    //getline(in, rhp.contain);
    return in;
}
ostream& operator <<(ostream&out, const Paper &rhp) {
    out << rhp.yy << endl
        << rhp.mm << endl
        << rhp.dd << endl
        << rhp.title << endl
        << rhp.unite << endl;
    //  << rhp.contain << endl;
    return out;
}
Paper::Paper() :yy(0), mm(0), dd(0), unite("xxx"), title("!!!") {}
Paper::Paper(const Paper &asp) { yy = asp.yy; mm = asp.mm; dd = asp.dd; unite = asp.unite; title = asp.title; }
void Paper::SetYMDear(const int year, const int month, const int day) { yy = year, mm = month, dd = day; }
void Paper::SetTitle(const string Title) { title = Title; }
void Paper::SetUnite(const string Unite) { unite = Unite; }
int Paper::GetDay()const { return dd; }
int Paper::GetYear()const { return yy; }
int Paper::GetMonth()const { return mm; }
string Paper::GetTitle()const { return title; }
string Paper::GetUnite()const { return unite; }

istream& operator >> (istream&in, Word&rhp) {
    in >> rhp.yy >> rhp.mm >> rhp.dd >> rhp.title >> rhp.unite;
    in.ignore();
    getline(in, rhp.contain);
    return in;
}
ostream& operator <<(ostream&out, const Word &rhp) {
    out << rhp.yy << endl
        << rhp.mm << endl
        << rhp.dd << endl
        << rhp.title << endl
        << rhp.unite << endl
        << rhp.contain << endl;
    return out;
}
Word::Word() :contain("xxx") {

}
Word::Word(const string con) { contain = con; }
int Word::CountWords(const string text) {
    int ans = 0;
    auto pos = contain.find(text);
    while (pos != string::npos) {
        ans++;
        pos = contain.find(text, ++pos);
    }
    return ans;
}
istream& operator >> (istream&in, vedio&rhp) {
    in >> rhp.yy >> rhp.mm >> rhp.dd >> rhp.title >> rhp.unite >> rhp.Vname;
    in.ignore();
    getline(in, rhp.act);
    return in;
}
ostream& operator <<(ostream&out, const vedio &rhp) {
    out << rhp.yy << endl
        << rhp.mm << endl
        << rhp.dd << endl
        << rhp.title << endl
        << rhp.unite << endl
        << rhp.act << endl
        << rhp.Vname << endl;
    return out;
}
vedio::vedio() :act("xxx"), Vname("XXXX") {}
vedio::vedio(const string ac, const string vn) { act = ac, Vname = vn; }
string vedio::GetAct()const { return act; }
string vedio::GetVName()const { return Vname; }
int vedio::CountWords(const string text) {
    int ans = 0;
    int pos = act.find(text);
    while (pos != string::npos) {
        ans++;
        pos = act.find(text, ++pos);
    }
    return ans;
}
istream& operator >> (istream&in, Record&rhp) {
    in >> rhp.yy >> rhp.mm >> rhp.dd >> rhp.title >> rhp.unite >> rhp.ReName;
    in.ignore();
    getline(in, rhp.act);
    return in;
}
ostream& operator <<(ostream&out, const Record &rhp) {
    out << rhp.yy << endl
        << rhp.mm << endl
        << rhp.dd << endl
        << rhp.title << endl
        << rhp.unite << endl
        << rhp.act << endl
        << rhp.ReName << endl;
    return out;
}
Record::Record() :ReName("XXXX") {}
Record::Record(const string re) { ReName = re; }
int Record::CountWords(const string text) {
    return vedio::CountWords(text);
}
int Poem::CountWords(const string text) {
    int ans = 0;
    string flag = GetTitle();
    auto pos = flag.find(text);
    while (pos != string::npos) {
        ans++;
        pos = flag.find(text, ++pos);
    }
    return ans;
}
int Other::CountWords(const string text)
{
    int ans = 0;
    string flag = GetTitle();
    auto pos = flag.find(text);
    while (pos != string::npos) {
        ans++;
        pos = flag.find(text, ++pos);
    }
    return ans;
}
void ShowSTD() {
    cout << "Please input kinds of News in follow fomat." << endl
        << "Word or Poem or Other News:" << endl
        << "Year Month Day Title Unite\nContain(Contain at the end of ENTER)" << endl
        << "vedio or Record News:" << endl
        << "Year Month Day Title Unite Filename\nAbstract(Abstract at the end of ENTER)" << endl;
}

#include"Realize.h"
int main() {
    ShowSTD();
    Paper *tp[5];
    Word a1;
    vedio a2;
    Record a3;
    Poem a4;
    Other a5;
    string flag;
    int n = 5;
    cout << "\nNow Inpt！！\nWord:";
    cin >> a1;
    tp[0] = &a1;
    cout << "vedio:";
    cin >> a2;
    tp[1] = &a2;
    cout << "Record:";
    cin >> a3;
    tp[2] = &a3;
    cout << "Poem:";
    cin >> a4;
    tp[3] = &a4;
    cout << "Other:";
    cin >> a5;
    tp[4] = &a5;
    cout << "Please enter the word you want to find:";
    cin >> flag;
    For(o, n)cout << tp[i]->CountWords(flag) << endl;
    cout << endl;
    For(o, n)cout << *(tp[i]) << endl;
    return 0;
}