ctextquery.h

非常实用的查询工具

# ifndef TEXTQUERY_CLASS
# define TEXTQUERY_CLASS

# include <iostream>
# include <fstream>
# include <sstream>
# include <map>
# include <string>
# include <vector>
# include <set>

using namespace std;

class TextQuery
{
public:
	typedef string::size_type str_size;
	typedef vector<string>::size_type line_no;
	void read_file(ifstream& in){store_file(in);build_map();}
	set<line_no> run_query(const string&) const;
	static string clean_up(string& word);
	line_no TextQuery::size() const;
private:
	void store_file(ifstream& );
	void build_map();
	vector<string> lines_of_text;
	map<string,set<line_no> > word_map;
};


# endif