/* Filename:  diction.cpp

   Author:  Br. David Carlson

   Date:  July 14, 1999

   Revised:  December 23, 2001; April 26, 2022

   This interactive program creates a map (table), where each entry
   is a pair containing a word and its definition.  Thus the map is
   a small dictionary.  The program then allows the user to repeatedly
   look up the meaning of words.

   In the code, change CTRL z to CTRL d for Linux.
*/

#include <iostream>
#include <map>
#include <string>

using namespace std;

// Function prototypes:
void LoadData(map<string, string> & Dictionary);
void Lookup(string Target, map<string, string> & Dictionary);


int main(void)
{
    map<string, string> Dictionary;
    string Target;

    LoadData(Dictionary);

    // Change to CTRL d for Linux:
    cout << "Enter word to look for (or CTRL z to quit): ";
    cin >> Target;
    while (!cin.fail())
    {
        Lookup(Target, Dictionary);
        // Change to CTRL d for Linux:
        cout << "Enter word to look for (or CTRL z to quit): ";
        cin >> Target;
    }

    return 0;
}


/* Given:  Target      The word to look up.
           Dictionary  The map containing the dictionary data.
   Task:   To look up Target in the Dictionary map and print the meaning
           of Target if it was found, or a "not found" message otherwise.
   Return: Nothing.
*/
void Lookup(string Target, map<string, string> & Dictionary)
{
    map<string, string>::iterator p;
    string Meaning;

    p = Dictionary.find(Target);
    if (p != Dictionary.end())
    {
        cout << "Meaning is: " << p->second << endl;
    }
    else
        cout << "Word not found" << endl;
}


/* Given:  Dictionary   A map.
   Task:   To add suitable data to Dictionary.
   Return: Dictionary   The updated map.
*/
void LoadData(map<string, string> & Dictionary)
{
    // Note the 2 different ways of creating a pair to insert:
    Dictionary.insert(pair<string, string>(string("hot"), string("having a high temperature")));
    Dictionary.insert(make_pair(string("cold"), string("having a low temperature")));
    Dictionary.insert(make_pair(string("jog"), string("run slowly")));
    Dictionary.insert(make_pair(string("intelligent"), string("smart")));
    Dictionary.insert(make_pair(string("register"), string("a high-speed storage location on a computer's CPU chip")));
}