dictionary.h

卡内基梅隆大学SSD5数据结构的实验内容包括实验1－5的所有要提交的文件

#ifndef  _DICTIONARY_H_ 
#define  _DICTIONARY_H_

#include  <iostream>
#include  <vector>
#include  <list>
#include  <algorithm>
#include  <string>
#include<fstream>
#include  "hashset.h"
#include  "hashset.cpp"

using namespace std;

class hash_function
{
public:
    hash_function() {}

    unsigned int operator()( const string& s )  const {
		
        // Complete definition
		int hashval=0;
		for(int i=0;i<s.length();i++)
		{
			hashval=37*hashval+s[i];
		}
		return hashval;
    }
};

class equality
{
public:
    equality() {}
    bool  operator()( const string& A, const string& B )  const {
		return  (A == B);
    }
};

class Dictionary: public HashSet<string, hash_function, equality> {

    // Complete definition
public:
	Dictionary(char* filename)
	{
		string word;
		ifstream inf(filename);
		while(inf.good())
		{
			inf>>word;
			/*if(!inf.good())
				return;*/
			this->insert(word);
		}
	}

};

#endif