1 files changed, 153 insertions, 0 deletions
diff --git a/CST116F2021-Lab7/Functions.cpp b/CST116F2021-Lab7/Functions.cpp
new file mode 100644
index 0000000..5e3335e
--- /dev/null
+++ b/CST116F2021-Lab7/Functions.cpp
@@ -0,0 +1,153 @@
+#include "Header.h"
+
+void displayMenu(int& menu_choice) //displays menu, takes in user menu choice
+{
+	do
+	{
+		cout << "\n\t\t==============================";
+		cout << "\n\t\t  What would you like to do?";
+		cout << "\n\t\t==============================";
+
+		cout << "\n\n\t1) Add strings to array";
+		cout << "\n\t2) Print array";
+		cout << "\n\t3) Find string or substring in array";
+		cout << "\n\t4) Remove string based on location within array";
+		cout << "\n\t5) Exit";
+
+		cout << "\n\n\t\tMenu choice #: ";
+		cin >> menu_choice;
+
+		if (menu_choice < 1 || menu_choice > 5)
+		{
+			cout << "\n\nError: Invalid menu choice\n";
+		}
+	} while (menu_choice < 1 || menu_choice > 5);
+}
+
+void processMenuChoice(int menu_choice, string string_array[], int& current_place) //processes menu choice, calls relevant function
+{
+	switch (menu_choice)
+	{
+	case 1:
+	{
+		addStrings(string_array, current_place);
+		break;
+	}
+	case 2:
+	{
+		printArray(string_array, current_place);
+		break;
+	}
+	case 3: 
+	{
+		findString(string_array, current_place);
+		break;
+	}
+	case 4: 
+	{
+		removeString(string_array, current_place);
+		break;
+	}
+	case 5:
+	{
+		cout << "\n\t\t~ Goodbye! ~" << endl;
+		break;
+	}
+	}
+}
+
+void addStrings(string string_array[], int& current_place) //gives user ability to add strings to the array
+{
+	cout << "\n\t---------------------------------------------------------------------------";
+	cout << "\n\t  Type a string to be added to the array then press enter to add another.";
+	cout << "\n\t             To stop adding strings, type '0' and press enter.";
+	cout << "\n\t---------------------------------------------------------------------------\n";
+
+	cout << "\n\tEnter string: ";
+	cin >> string_array[current_place - 1]; //overwrites "0" that is later entered to stop the loop below
+
+	do //loop for entering strings
+	{
+		cout << "\n\tEnter string: ";
+		cin >> string_array[current_place];
+		current_place++;
+	} while (string_array[current_place - 1] != "0");
+}
+
+void printArray(string string_array[], int& current_place) //prints all strings in the array
+{
+	int count = 0;
+
+	cout << "\n\t---------------------------------------------------------------";
+	cout << "\n\t  The current string array (shown with numbers for reference)";
+	cout << "\n\t---------------------------------------------------------------\n";
+
+	do
+	{
+		cout << "\n\t" << count + 1 << ".  " << string_array[count];
+		count++;
+	} while (count < current_place - 1); // uses "less than" as to not print the "0" from the last place in the array
+}
+
+void findString(string string_array[], int& current_place) //gives user ability to search for strings or substrings within the array, displays if they are found
+{
+	string subString = "0"; //string or substring we are searching for
+	int i = 0, j = 0, k = 0; //i = letter of substring, j = word in array, k = letter in word in array
+
+	cout << "\n\t---------------------------------------------";
+	cout << "\n\t  Enter a string or substring to search for";
+	cout << "\n\t---------------------------------------------\n";
+
+	cout << "\n\tString/substring: ";
+	cin >> subString;
+
+	while (i != subString.size() && j < MAX_STRINGS) //loops while the substring has not been found AND we have not gone through the entire array
+	{
+		i = 0; //resets these values to check the substring against the next word in the testarray
+		k = 0;
+
+		while ((subString[i] != string_array[j][k]) && (k < string_array[j].size())) //searches a single word for a letter from substring
+			k++;
+
+		if (subString[i] == string_array[j][k] && k < string_array[j].size()) //if a substring letter is found....
+			while ((subString[i] == string_array[j][k]) && (i < subString.size())
+				&& k < string_array[j].size())
+			{
+				i++; //go to the next substring letter
+				k++; //move to the next teststring word letter
+			}
+		j++; //move to the next word within the testarray
+	}
+
+	if (i == subString.size()) //if i (the place in the substring) has gotten to the end of the substring (all letters found in succession)....
+		cout << "\n\tString/substring '" << subString << "' was found!" << endl;
+
+	else
+		cout << "\n\tString/substring '" << subString << "' was not found." << endl;
+}
+
+void removeString(string string_array[], int& current_place) //gives user ability to remove a string from the array based on string location, displays removed string
+{
+	int to_remove = 0;
+	string removed = "0";
+
+	cout << "\n\t----------------------------------------------------------------";
+	cout << "\n\t  Enter the number of a string in the array to remove (1 - 150)";
+	cout << "\n\t----------------------------------------------------------------\n";
+
+	cout << "\n\tIndex number: ";
+	cin >> to_remove;
+
+	to_remove--; //accounts for user entering string number instead of index number
+
+	removed = string_array[to_remove];
+
+	cout << "\n\t\tThe removed string was: '" << removed << "'" << endl;
+
+	for (int i = to_remove; i < MAX_STRINGS - 1; i++) //compresses the array
+	{
+		string_array[i] = string_array[i + 1];
+	}
+
+	current_place--; 
+}
+\ No newline at end of file