76 lines
3.0 KiB
C++
76 lines
3.0 KiB
C++
// Ben Harris
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// PG5 Main
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// This program recreates PG4 using a template of a Linked List.
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// The ArrayLL template interfaces with the linkedlist as if it were an array.
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#include <iostream>
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#include "PG5.h"
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#include "ArrayLL.h"
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using namespace std;
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int main(int argc, char **argv) { // PG5 main
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string input = "";
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cout << "cLibrary Version 2.0 -- type help for a list of commands" << endl;
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ArrayLL<string> list;
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while (converttolower(input).substr(0, 4) != "exit") { // quit program when exit command is found
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cout << "Enter command: ";
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getline(cin, input);
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string lower = converttolower(input);
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if (lower.substr(0, 3) ==
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"add") { // insert a new node in alphabetical order, not allowing duplicates (case-insensitive)
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bool found = false;
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string linputstr = converttolower(input.substr(5, input.length() - 6));
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for (int i = 0; i < list.length(); i++) // Make sure no duplicates are entered
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if (converttolower(list[i]) == linputstr)
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found = true;
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int j = 0;
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for (j = 0; j < list.length(); j++) // Find where in the list that it needs to be inserted
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if (converttolower(list[j]) > linputstr)
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break;
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if (!found) list.insert(j, input.substr(5, input.length() - 6));
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}
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if (lower.substr(0, 5) == "print") { // prints the entire list, which should be in alphabetical order
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cout << endl;
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for (int i = 0; i < list.length(); i++)
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cout << list[i] << endl;
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cout << endl << "There are " << list.length() << " titles in the library." << endl;
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}
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if (lower.substr(0, 6) == "remove") { // removes all the items in the library that contain search string
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string lv = lower.substr(8, input.length() - 9);
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for (int i = 0; i < list.length(); i++) {
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string ll = converttolower(list[i]);
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if (ll.find(lv) >= 0 && ll.find(lv) < ll.length()) {
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cout << "\"" << list.remove(i) << "\"" << " was removed from the library." << endl;
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i--;
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}
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}
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}
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if (lower.substr(0, 4) == "help" || lower.substr(0, 4) == "halp") { // prints info for each function
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cout << endl << "These are the commands that this program accepts: " << endl << endl;
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cout << "add \"book title\" \t--adds a new entry with book title as the name" << endl;
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cout << "remove \"search term\" \t--deletes all books that contain search term" << endl;
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cout << "print \t\t\t--prints out the entire library in alphabetical order" << endl;
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cout << "exit \t\t\t--exits the program (also clears the library)" << endl << endl;
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}
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}
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return 0;
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}
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string converttolower(string s) {
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for (unsigned int i = 0; i < s.length(); i++) s[i] = tolower(s[i]);
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return s;
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}
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