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// tyler taormina
// cst 116
// lab 7
// number 1
#include <iostream>
#include <iomanip>
#include <string>
using namespace std;
void RmString(string arr[]);
void GatherStrings(int& limit, string arr[]);
void ClearBuffer();
void DisplayMenu(int&);
void ProcessMenuChoice(int, int, string arr[]);
void PrintString(int, string arr[]);
bool FindString(string arr[], int);
#define max 100
int main()
{
// program driver
int i = 0;
int limit = 0;
int count = 0;
int menu_choice;
string data[max];
GatherStrings(limit, data);
DisplayMenu(menu_choice);
ProcessMenuChoice(menu_choice, limit, data);
return 0;
}
void GatherStrings(int& limit, string arr[])
{
// ask user for input of a string. let user decide after each
// input whether or not they will add another string. once
// they choose to not input, all previously entered strings
// will be printed.
cout << "==================================================================\n";
cout << " LETS BUILD A DATABASE OF STRINGS" << endl;
cout << "==================================================================\n";
string usr_data;
int i = 0;
int flag = 1;
while (flag && limit < max)
{
cout << "Please Enter a string to store in our database: \n" << endl;
getline (cin, usr_data);
arr[limit] = usr_data;
limit += 1;
cout << "\n\nEnter [1] to add another string to the data base." << endl;
cout << "OR" << endl;
cout << "Enter [0] to STOP: \n" << endl;
cin >> flag;
ClearBuffer();
}
}
bool FindString(string arr[], int limit)
{
// Check for a substring inside of one of the input strings.
string sub;
int i, j, k;
int reset = 0;
ClearBuffer();
cout << "Lets look for a substring..." << endl;
cout << "Please enter a substring to look for: \n" << endl;
getline(cin, sub);
for (i = 0; i < limit; i++) {
if (arr[i].size() < sub.size())
return false;
for (j = 0; j < arr[i].size(); j++) {
int k = 0;
if (arr[i][j] == sub[k]) {
reset = j;
while (arr[i][j] == sub[k] && k < sub.size()) {
j++;
k++;
}
if (k == sub.size()){
return true;
}
else
j = reset;
}
}
}
return false;
}
void PrintString(int limit, string arr[])
{
int i = 0;
cout << "==================================================================\n";
cout << "This is what we have in our database so far..." << endl;
cout << "==================================================================\n";
while (i < limit)
{
cout << *(arr+i) << endl;
i += 1;
}
}
void RmString(string arr[])
{
}
void DisplayMenu(int& menu_choice)
{
//displays the menu of functions for the user to choose from
bool flag = 0;
cout << "==================================================================\n";
cout << " MENU" << endl;
cout << "==================================================================\n";
cout << "1) Enter 1 to search for a substring.\n";
cout << "2) Enter 2 to remove a string from the database.\n";
cout << "3) Enter 3 to print the database.\n";
cout << "4) Exit Program.\n\n";
cout << "Enter: ";
cin >> menu_choice;
if (menu_choice > 4 || menu_choice < 1) {
cout << "Invalid Entry. Please enter a number from the options list provided.\n\n\n\n" << endl;
DisplayMenu(menu_choice);
}
}
void ProcessMenuChoice (int menu_choice, int limit, string usr_data[])
{
int program_rerun = 0;
bool check;
switch(menu_choice)
{
case 1:
check = FindString(usr_data, limit);
if (check) {
cout << "WE FOUND IT!" << endl;
}
else
cout << "ME NO FIND" << endl;
break;
case 2:
RmString(usr_data);
break;
case 3:
PrintString(limit, usr_data);
break;
case 4:
cout << "End program." << endl;
break;
default:
break;
}
cout << "Press 1 and enter to build a new database.\n" << endl;
cout << "Press any other number to exit the program.\n" << endl;
cin >> program_rerun;
if (program_rerun == 1) {
ClearBuffer();
main();
}
else {
cout << "================================================================" << endl;
cout << " Program Closing..." << endl;
cout << "================================================================\n\n\n" << endl;
}
}
void ClearBuffer()
{
// clears buffer after menu choice so as not to interfere with the following user inputs.
char c;
do {
c = getchar();
} while (c != '\n' && c != EOF);
}
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