textquery.h

/***************************************************************************
 *  @file       textquery.h
 *  @author     Alan.W
 *  @date       30  DEC 2013
 *  @remark     The TextQuery class using StrBlob
 ***************************************************************************/

//!
//! Exercise 12.32:
//! Rewrite the TextQuery and QueryResult classes to use a StrBlob instead of a
//! vector<string> to hold the input file.
//  Relevant post on Stack Overflow:
//  http://stackoverflow.com/questions/20823225/what-will-happen-if-a-user-defined-constructor-omits-ininitialization-for-data-m
//!


#ifndef TEXTQUERY_H
#define TEXTQUERY_H

#include "StrBlob.h"
#include <map>
#include <set>
#include <string>
#include <memory>
#include <fstream>

class QueryResult;

/**
 * @brief The TextQuery class using StrBlob
 */
class TextQuery
{
public:
    typedef StrBlob::size_type line_no;

    //! constructor
    TextQuery(std::ifstream& fin);

    //! query operation
    QueryResult query(const std::string&) const;

private:
    //! data members
    StrBlob file;

    std::map<std::string,
             std::shared_ptr<std::set<line_no>>> wordMap;

};

#endif // TEXTQUERY_H