94 lines
3.0 KiB
C++
94 lines
3.0 KiB
C++
#include "Utils.h"
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#include <ctime>
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#include <iostream>
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#include <limits>
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#include "TDoublyLinkedList.h"
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#include "TStack.h"
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int Utils::Choice()
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{
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std::cout << "========\n1. Add line\n2. Remove line\n3. Print current document\n4. Print queue\n5. Undo\n6. Redo\n0. Exit"
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"\n\nChoice: ";
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int choice;
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std::cin >> choice;
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std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
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//std::cout << "\n=====================\n";
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return choice;
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}
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int Utils::Insert(TDoublyLinkedList &document, TStack &undoStack, TStack &redoStack, int index)
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{
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for (int i = 0; i < document.GetSize(); i++) {
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std::cout << i + 1 << ". " << document.GetAtIndex(i) << std::endl;
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}
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if (document.GetSize() > 0)
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{
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std::cout << "Enter the line number where you want to insert the line" <<std::endl;
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if (!(std::cin >> index)) {
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std::cin.clear();
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std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
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std::cout << "========\nIndex must be a number\n========\n\n" << std::endl;
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return index;
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}
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std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
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}
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if (document.GetSize() < 1)
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index = 1;
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std::cout << "Enter the text" <<std::endl;
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std::string line;
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std::getline(std::cin, line);
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document.InsertAtIndex(index - 1, line);
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undoStack.Push({INSERT, line, index - 1});
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if (!redoStack.IsEmpty()) {
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redoStack.Clear();
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}
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return index;
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}
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void Utils::PrintList(const TDoublyLinkedList &document)
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{
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for (int i = 0; i < document.GetSize(); i++) {
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std::cout << i + 1 << ". " << document.GetAtIndex(i) << std::endl;
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}
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std::cout << "\n\n";
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}
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int Utils::RemoveLine(TDoublyLinkedList &document, TStack &undoStack, TStack &redoStack, int index)
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{
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std::cout << "Enter the number of the line you want to remove" <<std::endl;
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if (!(std::cin >> index)) {
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std::cin.clear();
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std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
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std::cout << "========\nIndex must be a number\n========\n\n" << std::endl;
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return index;
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} std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
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const std::string deletedLine = document.GetAtIndex(index-1);
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document.Remove(index-1);
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undoStack.Push({DELETE, deletedLine, index-1});
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if (!redoStack.IsEmpty()) {
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redoStack.Clear();
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}
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return index;
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}
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int Utils::RandomInt(const int min, const int max)
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{
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static bool isSeeded = false;
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if (!isSeeded) {
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std::srand(static_cast<unsigned>(std::time(nullptr))); //<---- not the "best" random seeding available
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isSeeded = true; // but sufficient for this use case
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}
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if (max <= min)
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return 0;
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return min + rand() % (max - min + 1); // <---- Limited randomness, but again
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} // sufficient for this use case
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