ex13_42_TextQuery.h

#ifndef CP5_TEXTQUERY_H_
#define CP5_TEXTQUERY_H_

#include <string>
#include <memory>
#include <iostream>
#include <fstream>
#include <map>
#include <set>

#include "ex13_42_StrVec.h"

class QueryResult;
class TextQuery {
public:
    TextQuery(std::ifstream&);
    QueryResult query(const std::string&) const;

private:
    std::shared_ptr<StrVec> input;
    std::map<std::string, std::shared_ptr<std::set<size_t>>> result;
};

class QueryResult {
public:
    friend std::ostream& print(std::ostream&, const QueryResult&);

public:
    QueryResult(const std::string& s, std::shared_ptr<std::set<size_t>> set,
                std::shared_ptr<StrVec> v)
        : word(s), nos(set), input(v)
    {
    }

private:
    std::string word;
    std::shared_ptr<std::set<size_t>> nos;
    std::shared_ptr<StrVec> input;
};

std::ostream& print(std::ostream&, const QueryResult&);

#endif