From 40f7cc8f54d0c221a391457fd38a44d0633aa088 Mon Sep 17 00:00:00 2001 From: angeld55 Date: Mon, 16 May 2022 14:05:08 +0300 Subject: fixed typo in folder name --- Utills/Kindle/Book.cpp | 174 ---------------------- Utills/Kindle/Book.h | 34 ----- Utills/Kindle/Kindle.cpp | 354 -------------------------------------------- Utills/Kindle/Kindle.h | 55 ------- Utills/Kindle/Page.cpp | 37 ----- Utills/Kindle/Page.h | 21 --- Utills/Kindle/Pair.hpp | 29 ---- Utills/Kindle/Source.cpp | 6 - Utills/Kindle/User.cpp | 22 --- Utills/Kindle/User.h | 22 --- Utills/Kindle/readme.md | 66 --------- Utills/Kindle/serialize.cpp | 71 --------- Utills/Kindle/serialize.h | 20 --- Utills/Kindle/string.cpp | 158 -------------------- Utills/Kindle/string.h | 42 ------ Utills/Kindle/vector.hpp | 239 ------------------------------ 16 files changed, 1350 deletions(-) delete mode 100644 Utills/Kindle/Book.cpp delete mode 100644 Utills/Kindle/Book.h delete mode 100644 Utills/Kindle/Kindle.cpp delete mode 100644 Utills/Kindle/Kindle.h delete mode 100644 Utills/Kindle/Page.cpp delete mode 100644 Utills/Kindle/Page.h delete mode 100644 Utills/Kindle/Pair.hpp delete mode 100644 Utills/Kindle/Source.cpp delete mode 100644 Utills/Kindle/User.cpp delete mode 100644 Utills/Kindle/User.h delete mode 100644 Utills/Kindle/readme.md delete mode 100644 Utills/Kindle/serialize.cpp delete mode 100644 Utills/Kindle/serialize.h delete mode 100644 Utills/Kindle/string.cpp delete mode 100644 Utills/Kindle/string.h delete mode 100644 Utills/Kindle/vector.hpp (limited to 'Utills/Kindle') diff --git a/Utills/Kindle/Book.cpp b/Utills/Kindle/Book.cpp deleted file mode 100644 index 8bfb050..0000000 --- a/Utills/Kindle/Book.cpp +++ /dev/null @@ -1,174 +0,0 @@ -#include "Book.h" -#include - -void Book::addRating(unsigned short r, const string& name) { - if (r > 10) - return; - - int raterIndex = -1; - - for (size_t i = 0; i < ratings.getSize(); i++) { - if (name == ratings[i].getFirst()) { - raterIndex = i; - break; - } - } - - if (raterIndex != -1) - ratings[raterIndex].setSecond(r); - else { - Pair toPush(name, r); - ratings.pushBack(std::move(toPush)); - } -} - -void Book::print() const { - std::cout << title << " by: " << author << std::endl; -} - -Book::Book(const string& pAuthor, const string& pTitle) { - author = pAuthor; - title = pTitle; -} - -void Book::writeToFile(std::ofstream& outFile) const { - writeString(outFile, author); // Author - writeString(outFile, title); // Title - - // Write pages to file - int len = data.getSize(); - outFile.write((const char*)&len, sizeof(len)); - - for (size_t i = 0; i < len; i++) - data[i].writeToFile(outFile); - - // Write comments to file: - int commentsLen = comments.getSize(); - outFile.write((const char*)&commentsLen, sizeof(commentsLen)); - for (size_t i = 0; i < commentsLen; i++) - writeCommentsToFile(outFile, comments[i]); - - // Write rates to file: - int ratesCount = this->ratings.getSize(); - outFile.write((const char*)&ratesCount, sizeof(ratesCount)); - for (size_t i = 0; i < ratesCount; i++) - writeRatesToFile(outFile, ratings[i]); -} - -void Book::readFromFile(std::ifstream& inFile) { - author = readString(inFile); // Author - title = readString(inFile); // Title - - // Read pages: - int len = 0; - inFile.read((char*)&len, sizeof(len)); - - for (size_t i = 0; i < len; i++) { - data.pushBack(Page()); - data[i].readFromFile(inFile); - } - - // Read comments - int commentsLen = 0; - inFile.read((char*)&commentsLen, sizeof(commentsLen)); - - for (size_t i = 0; i < commentsLen; i++) { - Pair toInsert = readCommentsFromFile(inFile); - comments.pushBack(std::move(toInsert)); - } - - // Read rates from file - int ratesCount = 0; - inFile.read((char*)&ratesCount, sizeof(ratesCount)); - for (size_t i = 0; i < ratesCount; i++) { - Pair toPush = readRatesFromFile(inFile); - ratings.pushBack(std::move(toPush)); - } -} - -double Book::getAvarageRating() const { - double sum = 0; - for (size_t i = 0; i < ratings.getSize(); i++) - sum += ratings[i].getSecond(); - - return sum / (double)(ratings.getSize()); -} - -void Book::write(unsigned pagesCount) { - unsigned short lines = 0; - - for (int i = 0; i < pagesCount; i++) { - std::cout << "Enter lines in page " << i + 1 << ": "; - std::cin >> lines; - std::cin.ignore(); - Page toInsert; - - toInsert.write(lines); - - data.pushBack(std::move(toInsert)); - } -} - -void Book::displayBook() const { - bool reading = true; - bool displayMenu = true; - unsigned pageNumber = 0; - - char cmd = '\0'; - unsigned pageIndex = 0; - - while (reading) { - system("cls"); - if (displayMenu) - displayHelpMenu(); - - data[pageIndex].displayPage(); - - std::cin.get(cmd); - - switch (cmd) { - case 'n': - if (pageIndex < data.getSize() - 1) - pageIndex++; - break; - case 'p': - if (pageIndex > 0) - pageIndex--; - break; - case 'h': - displayMenu = !displayMenu; - break; - case 'q': - reading = false; - break; - case '@': - std::cin >> pageNumber; - if (pageNumber >= 1 && pageNumber < data.getSize() + 1) - pageIndex = pageNumber - 1; - break; - default: - break; - } - } - system("cls"); -} - -void Book::showComments() const { - for (size_t i = 0; i < comments.getSize(); i++) - std::cout << comments[i].getFirst() << " wrote: " << comments[i].getSecond() << std::endl; -} - -void Book::showRates() const { - for (size_t i = 0; i < ratings.getSize(); i++) - std::cout << ratings[i].getFirst() << ": " << ratings[i].getSecond() << " start" << std::endl; - std::cout << std::endl; - - std::cout << "Avarage rate: " << getAvarageRating() << std::endl; -} - -void Book::displayHelpMenu() const { - std::cout << "Entered reader mode." << std::endl - << "Press n for next, p for prev." << std::endl << - "Press @ + to go to that page" << std::endl << - "Press h to hide or show this menu or q to exit" << std::endl; -} diff --git a/Utills/Kindle/Book.h b/Utills/Kindle/Book.h deleted file mode 100644 index 29c4f13..0000000 --- a/Utills/Kindle/Book.h +++ /dev/null @@ -1,34 +0,0 @@ -#pragma once -#include"vector.hpp" -#include"Page.h" -#include"Pair.hpp" -#include"serialize.h" - -class Book { -private: - string author; - string title; - Vector> ratings; // User name + rate - Vector data; // Pages - Vector> comments; // commenter's name + comment - - void addRating(unsigned short r, const string& name); - - void write(unsigned pagesCount); - void displayBook() const; - - void showComments() const; - void showRates() const; - void print() const; - void displayHelpMenu() const; -public: - Book() {} - Book(const string& author, const string& title); - - void writeToFile(std::ofstream& outFile) const; - void readFromFile(std::ifstream& inFile); - double getAvarageRating() const; - - friend class Kindle; -}; - diff --git a/Utills/Kindle/Kindle.cpp b/Utills/Kindle/Kindle.cpp deleted file mode 100644 index 84477d2..0000000 --- a/Utills/Kindle/Kindle.cpp +++ /dev/null @@ -1,354 +0,0 @@ -#include "Kindle.h" - -void Kindle::displayUserDialog(User& currentUser) { - std::cout << "Wellcome, " << currentUser.name << std::endl; - string cmd; - - while (!(cmd == "exit")) { - std::cout << "> "; - std::cin >> cmd; - if (cmd == "read") { - readBookDialog(currentUser); - } - else if (cmd == "rate") { - rateBookDialog(currentUser); - } - else if (cmd == "comment") { - commentOnBookDialog(currentUser); - } - else if (cmd == "write") { - writeBookDialog(currentUser); - } - else if (cmd == "comments") { - displayCommentsDialog(); - } - else if (cmd == "view") { - viewBooks(); - } - else if (cmd == "rates") { - displayRatesDialog(); - } - } - - std::cout << "Exit user dialog" << std::endl; -} - -void Kindle::saveFileDialog() const { - string path; - std::cout << "Enter path: "; - std::cin >> path; - saveToFile(path.c_str()); -} - -void Kindle::readFileDialog() { - std::cout << "Enter path: "; - string path; - std::cin >> path; - readFromFile(path.c_str()); -} - -void Kindle::showHelpDialog() const { - std::cout << "Write one of the following commands and press enter: " << std::endl - << "| login | signup | load | saveas | view | exit" << std::endl << - "Press any key to exit" << std::endl; - std::cin.get(); - - std::cin.clear(); - std::cin.ignore(255, '\n'); -} - -void Kindle::saveToFile(const char* filePath) const { - std::ofstream outFile(filePath, std::ios::binary); - - if (!outFile) - return; - - outFile.write("#Ty", 4); - - size_t sizeOfLib = lib.getSize(); - size_t sizeOfUsers = users.getSize(); - // Write lib: - outFile.write((const char*)&sizeOfLib, sizeof(sizeOfLib)); - - for (size_t i = 0; i < sizeOfLib; i++) - lib[i].writeToFile(outFile); - - // Save users: - outFile.write((const char*)&sizeOfUsers, sizeof(sizeOfUsers)); - - for (size_t i = 0; i < sizeOfUsers; i++) - users[i].writeToFile(outFile); - - std::cout << "Saving success!" << std::endl; -} - -void Kindle::readFromFile(const char* filePath) { - std::ifstream inFile(filePath, std::ios::binary); - - if (!inFile) { - std::cout << "File does not exist" << std::endl; - return; - } - - char typeChecker[4]; - inFile.read(typeChecker, 4); - if (strcmp(typeChecker, "#Ty") != 0) { - std::cout << "Invalid file type" << std::endl; - return; - } - - size_t sizeOfLib = 0; - size_t sizeOfUsers = 0; - - // Read lib - inFile.read((char*)&sizeOfLib, sizeof(sizeOfLib)); - - for (size_t i = 0; i < sizeOfLib; i++) { - lib.pushBack(Book()); - lib[i].readFromFile(inFile); - } - - // Read users: - inFile.read((char*)&sizeOfUsers, sizeof(sizeOfUsers)); - - for (size_t i = 0; i < sizeOfUsers; i++) { - users.pushBack(User()); - users[i].readFromFile(inFile); - } - - std::cout << "Reading success!" << std::endl; -} - -int Kindle::findBookIndex(const string& name) const { - for (size_t i = 0; i < lib.getSize(); i++) - if (name == lib[i].title) - return i; - return -1; -} - -int Kindle::findUserIndex(const string& name) const { - for (size_t i = 0; i < users.getSize(); i++) - if (name == users[i].name) - return i; - return -1; -} - -bool Kindle::userReadTheBook(const User& currentUser, int bookIndex) const { - for (size_t i = 0; i < currentUser.indexesOfBooksRead.getSize(); i++) - if (currentUser.indexesOfBooksRead[i] == bookIndex) - return true; - return false; -} - -bool Kindle::existUser(const string& userName) const { - for (size_t i = 0; i < users.getSize(); i++) - if (userName == users[i].name) - return true; - return false; -} - -void Kindle::readBookDialog(User& reader) { - std::cout << "Which book would you like to read: "; - string bookName; - std::cin.ignore(); - bookName.getLine(std::cin); - - int indexOfBook = findBookIndex(bookName); - if (indexOfBook == -1) { - std::cout << "No such book" << std::endl; - return; - } - if (!(reader.name == lib[indexOfBook].author) && !userReadTheBook(reader, indexOfBook)) - reader.indexesOfBooksRead.pushBack(indexOfBook); - - lib[indexOfBook].displayBook(); -} - -void Kindle::rateBookDialog(const User& rater) { - std::cout << "Enter a book you'd line to rate: "; - string bookName; - std::cin.ignore(); - bookName.getLine(std::cin); - - int bookIndex = findBookIndex(bookName); - - if (bookIndex == -1) { - std::cout << "No such book" << std::endl; - return; - } - - if (rater.name == lib[bookIndex].author) { - std::cout << "You can't rate your own book" << std::endl; - return; - } - - unsigned short rate = 0; - std::cout << "Enter rate: "; - std::cin >> rate; - - lib[bookIndex].addRating(rate, rater.name); -} - -void Kindle::commentOnBookDialog(const User& commenter) { - std::cout << "Enter a book you would like to comment: "; - string bookName; - std::cin.ignore(); - bookName.getLine(std::cin);; - - int index = findBookIndex(bookName); - - if (index == -1) { - std::cout << "No such book"; - return; - } - - std::cout << "Enter comment: "; - string comment; - comment.getLine(std::cin); - if (commenter.name == lib[index].author || userReadTheBook(commenter, index)) { - Pair toAdd(commenter.name, std::move(comment)); - lib[index].comments.pushBack(std::move(toAdd)); - } - else { - std::cout << "You havent read the book" << std::endl; - return; - } -} - -void Kindle::writeBookDialog(User& writer) { - std::cout << "Enter title: "; - string title; - - std::cin.ignore(); - - title.getLine(std::cin); - - Book toAdd(writer.name, title); - - std::cout << "Enter pages count: "; - unsigned pagesCount = 0; - std::cin >> pagesCount; - - std::cin.ignore(); - - toAdd.write(pagesCount); - writer.indexesOfBooksWritten.pushBack(lib.getSize()); - lib.pushBack(std::move(toAdd)); -} - -void Kindle::displayCommentsDialog() const { - std::cout << "Enter book name: "; - string bookName; - std::cin.ignore(); - bookName.getLine(std::cin);; - - int indexOfBook = findBookIndex(bookName); - - if (indexOfBook == -1) { - std::cout << "No such book" << std::endl; - return; - } - - lib[indexOfBook].showComments(); -} - -void Kindle::displayRatesDialog() const { - std::cout << "Enter book name: "; - string bookName; - std::cin.ignore(); - bookName.getLine(std::cin); - - int indexOfBook = findBookIndex(bookName); - - if (indexOfBook == -1) { - std::cout << "No such book" << std::endl; - return; - } - - lib[indexOfBook].showRates(); -} - -void Kindle::viewBooks() const { - for (size_t i = 0; i < lib.getSize(); i++) - lib[i].print(); -} - -void Kindle::displayLoginDialog() { - std::cout << "Enter user name: "; - string userName; - - std::cin.ignore(); - - userName.getLine(std::cin); - - int userIndex = findUserIndex(userName); - - if (userIndex == -1) { - std::cout << "This user does not exist in our system\n"; - return; - } - string pwd; - std::cout << "Enter password: "; - - pwd.getLine(std::cin); - - if (!(pwd == users[userIndex].password)) { - std::cout << "Incorrect password.\n"; - return; - } - - displayUserDialog(users[userIndex]); -} - -void Kindle::displaySignupDialog() { - std::cout << "Enter name: "; - string name; - - std::cin.ignore(); - - name.getLine(std::cin); - - if (existUser(name)) { - std::cout << "User with that name already exist!" << std::endl; - return; - } - - std::cout << "Enter password: "; - string password; - password.getLine(std::cin); - - User toAdd(name, password); - users.pushBack(std::move(toAdd)); - std::cout << "Successful!" << std::endl; -} - - -void Kindle::display() { - string cmd; - while (!(cmd == "exit")) { - std::cout << "> "; - std::cin >> cmd; - - if (cmd == "login" || cmd == "log in") { - displayLoginDialog(); - } - else if (cmd == "signup" || cmd == "sign up") { - displaySignupDialog(); - } - else if (cmd == "view") { - viewBooks(); - } - else if (cmd == "load") { - readFileDialog(); - } - else if (cmd == "save") { - saveFileDialog(); - } - else if (cmd == "help") { - showHelpDialog(); - } - else { - std::cout << "Invalid command!" << std::endl; - } - } -} diff --git a/Utills/Kindle/Kindle.h b/Utills/Kindle/Kindle.h deleted file mode 100644 index 79bcbd3..0000000 --- a/Utills/Kindle/Kindle.h +++ /dev/null @@ -1,55 +0,0 @@ -#pragma once -#include"vector.hpp" -#include"Book.h" -#include"User.h" -#include"Pair.hpp" -#include -#include -#include - -class Kindle { -private: - Vector lib; - Vector users; - - // Helper functions - int findBookIndex(const string& name) const; - int findUserIndex(const string& name) const; - - // did user read the book? - bool userReadTheBook(const User& currentUser, int bookIndex) const; - - // does user exist? - bool existUser(const string& userName) const; - - // Functions used by user - void readBookDialog(User& reader); - void writeBookDialog(User& writer); - - void rateBookDialog(const User& rater); - void commentOnBookDialog(const User& commenter); - - void displayCommentsDialog() const; - void displayRatesDialog() const; - - // TODO: Change book (add or remove page etc.) - - // Functions used by main dialog - void displayLoginDialog(); - void displaySignupDialog(); - void displayUserDialog(User& currentUser); - - void saveFileDialog() const; - void readFileDialog(); - - void viewBooks() const; - void showHelpDialog() const; - - // read && write - void saveToFile(const char* filePath) const; - void readFromFile(const char* filePath); -public: - // The only function used by our Kindle class - void display(); -}; - diff --git a/Utills/Kindle/Page.cpp b/Utills/Kindle/Page.cpp deleted file mode 100644 index a905f25..0000000 --- a/Utills/Kindle/Page.cpp +++ /dev/null @@ -1,37 +0,0 @@ -#include "Page.h" - -void Page::write(unsigned linesCount) { - if (linesCount > MAX_LINES_IN_PAGE) - linesCount = MAX_LINES_IN_PAGE; - - - for (size_t i = 0; i < linesCount; i++) { - std::cout << i + 1 << " "; - lines.pushBack(string()); - - lines[i].getLine(std::cin); - } -} - -void Page::displayPage() const { - for (size_t i = 0; i < lines.getSize(); i++) - std::cout << lines[i] << std::endl; -} - -void Page::writeToFile(std::ofstream& outFile) const { - int len = lines.getSize(); - outFile.write((const char*)&len, sizeof(len)); - - for (size_t i = 0; i < len; i++) - writeString(outFile, lines[i]); -} - -void Page::readFromFile(std::ifstream& inFile) { - int len = 0; - inFile.read((char*)&len, sizeof(len)); - - for (size_t i = 0; i < len; i++) { - string s = readString(inFile); - lines.pushBack(std::move(s)); - } -} diff --git a/Utills/Kindle/Page.h b/Utills/Kindle/Page.h deleted file mode 100644 index e208691..0000000 --- a/Utills/Kindle/Page.h +++ /dev/null @@ -1,21 +0,0 @@ -#pragma once -#include"vector.hpp" -#include"string.h" -#include -#include"serialize.h" - -const short MAX_LINES_IN_PAGE = 26; - -class Page { -private: - Vector lines; - - void write(unsigned linesCount); - void displayPage() const; - - void writeToFile(std::ofstream& outFile) const; - void readFromFile(std::ifstream& inFile); - - friend class Book; -}; - diff --git a/Utills/Kindle/Pair.hpp b/Utills/Kindle/Pair.hpp deleted file mode 100644 index 52859fe..0000000 --- a/Utills/Kindle/Pair.hpp +++ /dev/null @@ -1,29 +0,0 @@ -#pragma once - -template -class Pair { - T first; - U second; -public: - Pair() { - first = T(); - second = U(); - } - Pair(const T& fst, const U& snd) : first(fst), second(snd) {} - - const T& getFirst() const { - return first; - } - - const U& getSecond() const { - return second; - } - - void setFirst(const T& arg) { - first = arg; - } - - void setSecond(const U& arg) { - second = arg; - } -}; \ No newline at end of file diff --git a/Utills/Kindle/Source.cpp b/Utills/Kindle/Source.cpp deleted file mode 100644 index 674cca7..0000000 --- a/Utills/Kindle/Source.cpp +++ /dev/null @@ -1,6 +0,0 @@ -#include"Kindle.h" - -int main() { - Kindle env; - env.display(); -} \ No newline at end of file diff --git a/Utills/Kindle/User.cpp b/Utills/Kindle/User.cpp deleted file mode 100644 index df1cea5..0000000 --- a/Utills/Kindle/User.cpp +++ /dev/null @@ -1,22 +0,0 @@ -#include "User.h" - -User::User(const string& pName, const string& pPassword) { - name = pName; - password = pPassword; -} - -void User::writeToFile(std::ofstream& outFile) const { - writeString(outFile, name); - writeString(outFile, password); - - writeVector(outFile, indexesOfBooksRead); - writeVector(outFile, indexesOfBooksWritten); -} - -void User::readFromFile(std::ifstream& inFile) { - name = readString(inFile); - password = readString(inFile); - - indexesOfBooksRead = readVector(inFile); - indexesOfBooksWritten = readVector(inFile); -} diff --git a/Utills/Kindle/User.h b/Utills/Kindle/User.h deleted file mode 100644 index f7c2dba..0000000 --- a/Utills/Kindle/User.h +++ /dev/null @@ -1,22 +0,0 @@ -#pragma once -#include"string.h" -#include"vector.hpp" -#include"Book.h" -#include"serialize.h" - -class User { -private: - string name; - string password; - Vector indexesOfBooksRead; - Vector indexesOfBooksWritten; - - friend class Kindle; -public: - User() {} - User(const string& pName, const string& pPassword); - - void writeToFile(std::ofstream& outFile) const; - void readFromFile(std::ifstream& inFile); -}; - diff --git a/Utills/Kindle/readme.md b/Utills/Kindle/readme.md deleted file mode 100644 index d31119a..0000000 --- a/Utills/Kindle/readme.md +++ /dev/null @@ -1,66 +0,0 @@ -# Kindle - -## Помощни средства които използвахме -За решението на тази задача използваме клас string, клас vector и клас pair. String е взет директно от семинарите на първа група, с добавена функция getLine(), която използваме подобно на std::getline(); -Вектора е взет от семинарите на втора група. -Класът Pair е единствено с цел улеснение. Той представлява наредена двойка от два темплейтни типа. -Всяко едно нещо което сме направили с тези помощни средства може да се направи и без тях - просто кодът става по - дълъг. - -## Използване на командите -### Команди, които поддържаме преди да се логне потребител: -* login - влизаме в системата -* signup - регистрираме се в системата -* view - преглеждаме какви книги имаме -* save - запазваме текущия Kindle във файл -* load - зареждаме Kindle от файл -* exit - излизаме от системата -### Команди, които има потребител: -* read - прочита книга -* write - пише книга -* rate - оценява книга -* comment - коментира под книга -* rates - проверява рейтинга на книгата -* comments - проверява коментарите под книгата -* view - преглежда какви книги има -* exit - излиза от профила си -### Команди които имаме докато четем книга: -* n - следваща страница -* p - предишна страница -* @ + [number] - отива на страница, която е подадена -* h - показва/скрива help меню -* q - излиза от режим на четене - -Въвеждаме команда и натискаме Enter. След това програмата ни пита ако има нужда от допълнителна информация. Пример -``` -> login -> Enter user name: [Name] -> Enter user password: [Password] -> Success! -> -``` - -## Накратко за запазването във файлове -Имаме да запазваме сложна структура във файл. Това което можем да направим е да я разбием на по - прости. В Kindle имаме два вектора, които представляват книгите и потребителите. Ако измислим метод да запазим книга и потребител другото е лесно. Можете да видите, че в класовете представляващи книга и потребител имаме отделни функции, които се грижат за работата със запазването. -Логиката за тях е аналогична - разбиваме структурата на по - малки структурки, които стават все по - лесни и по - лесни за запазване. - -## Допълнителни бележки -В решението сме използвали friend класове. Това не винаги е лоша идея, но внимавайте с тях - възможно е да доведат до логически грешки, тоест на един клас да се дадат твърде много права над друг. - -При запазването на класа ще видите следния код -```cpp -outFile.write("#Ty", 4); -``` -При четенето на класа ще видите следния код -```cpp -char typeChecker[4]; -inFile.read(typeChecker, 4); -if (strcmp(typeChecker, "#Ty") != 0) { - std::cout << "Invalid file type" << std::endl; - return; -} -``` -Реално, няма как да гарантираме, че подадения файл ни е коректен. Потребителя винаги може да подаде некоректен файл, което може да счупи нашата система. За това правим следното: в началото на файла, който запазваме, записваме някаква последователност от n символа. Когато четем, прочитаме първите n (в случая 4) байта от файла и казваме - ако това е "тайният" низ, то значи този файл е писан от системата, тоест се очаква да е коректен. В противен случай приключваме изпълнението и не четем излишни данни, които могат да счупят системата ни. - -Също така, функционалността за промяна на книга оставяме на Вас. Чувствайте се свободни да експериментирате и pull-request вате. - -При каквито и да е въпроси екипът по ООП е на линия. \ No newline at end of file diff --git a/Utills/Kindle/serialize.cpp b/Utills/Kindle/serialize.cpp deleted file mode 100644 index af1e001..0000000 --- a/Utills/Kindle/serialize.cpp +++ /dev/null @@ -1,71 +0,0 @@ -#include"serialize.h" - -void writeString(std::ofstream& outFile, const string& str) { - int len = str.getSize(); - outFile.write((const char*)&len, sizeof(int)); - - outFile.write(str.c_str(), sizeof(char) * len); -} - -string readString(std::ifstream& inFile) { - int len = 0; - inFile.read((char*)&len, sizeof(len)); - - char* buff = new char[len + 1]; - inFile.read(buff, sizeof(char) * len); - - buff[len] = '\0'; - - string toReturn(buff); - - delete[] buff; - - return toReturn; -} - -void writeVector(std::ofstream& outFile, const Vector& v) { - int len = v.getSize(); - outFile.write((const char*)&len, sizeof(int)); - - for (size_t i = 0; i < v.getSize(); i++) - outFile.write((const char*)&v[i], sizeof(size_t)); -} - -Vector readVector(std::ifstream& inFile) { - int len = 0; - inFile.read((char*)&len, sizeof(int)); - Vector toReturn; - size_t read = 0; - - for (size_t i = 0; i < len; i++) { - inFile.read((char*)&read, sizeof(size_t)); - toReturn.pushBack(read); - } - - return toReturn; -} - -void writeCommentsToFile(std::ofstream& outFile, const Pair& p) { - writeString(outFile, p.getFirst()); - writeString(outFile, p.getSecond()); -} - -Pair readCommentsFromFile(std::ifstream& inFile) { - string fst = readString(inFile); - string snd = readString(inFile); - - return { fst, snd }; -} - -void writeRatesToFile(std::ofstream& outFile, const Pair& comments) { - writeString(outFile, comments.getFirst()); - outFile.write((const char*)&comments.getSecond(), sizeof(comments.getSecond())); -} - -Pair readRatesFromFile(std::ifstream& inFile) { - string fst = readString(inFile); - unsigned rate = 0; - inFile.read((char*)&rate, sizeof(rate)); - - return { fst, rate }; -} \ No newline at end of file diff --git a/Utills/Kindle/serialize.h b/Utills/Kindle/serialize.h deleted file mode 100644 index 02ebc3a..0000000 --- a/Utills/Kindle/serialize.h +++ /dev/null @@ -1,20 +0,0 @@ -#pragma once -#include"string.h" -#include"vector.hpp" -#include"Pair.hpp" -#include - -void writeString(std::ofstream& outFile, const string& str); - -string readString(std::ifstream& inFile); - -void writeVector(std::ofstream& outFile, const Vector& v); - -Vector readVector(std::ifstream& inFile); -void writeCommentsToFile(std::ofstream& outFile, const Pair& p); - -Pair readCommentsFromFile(std::ifstream& inFile); - -void writeRatesToFile(std::ofstream& outFile, const Pair& comments); - -Pair readRatesFromFile(std::ifstream& inFile); \ No newline at end of file diff --git a/Utills/Kindle/string.cpp b/Utills/Kindle/string.cpp deleted file mode 100644 index cb79dfb..0000000 --- a/Utills/Kindle/string.cpp +++ /dev/null @@ -1,158 +0,0 @@ -#include "string.h" -#include -#include - -#pragma warning(disable : 4996) - -void string::copyFrom(const string& other) -{ - str = new char[strlen(other.str) + 1]; - strcpy(str, other.str); - size = other.size; -} -void string::free() -{ - delete[] str; -} - -string::string() -{ - str = new char[1]; - str[0] = '\0'; - size = 0; -} - -string::string(const char* data) -{ - if (data == nullptr) - { - str = new char[1]; - str[0] = '\0'; - size = 0; - } - else - { - size = strlen(data); - str = new char[size + 1]; - strcpy(str, data); - } -} - -string::string(const string& other) -{ - copyFrom(other); -} -string& string::operator=(const string& other) -{ - if (this != &other) - { - free(); - copyFrom(other); - } - return *this; -} -string::~string() -{ - free(); -} - - -size_t string::getSize() const -{ - return size; -} -void string::concat(const string& other) -{ - char* temp = new char[getSize() + other.getSize() + 1]; - strcpy(temp, str); - strcat(temp, other.str); - - delete[] str; - str = temp; - size = size + other.getSize(); -} - -const char* string::c_str() const -{ - return str; -} - -string& string::operator+=(const string& other) -{ - concat(other); - return *this; -} - -void string::getLine(std::istream& outFile) -{ - delete[] str; - char buff[1024]; - - outFile.getline(buff, 1024, '\n'); - size_t len = strlen(buff); - str = new char[len + 1]; - for (size_t i = 0; i < len; i++) - str[i] = buff[i]; - str[len] = '\0'; - size = len; -} - -string operator+(const string& lhs, const string& rhs) -{ - string copyOfLeft(lhs); - copyOfLeft += rhs; - return copyOfLeft; -} - -std::ostream& operator<<(std::ostream& stream, const string& str) -{ - stream << str.str; - return stream; -} - -std::istream& operator>>(std::istream& stream, string& str) -{ - delete[] str.str; - char buff[1024]; - stream >> buff; - - str.size = strlen(buff); - str.str = new char[str.size + 1]; - strcpy(str.str, buff); - - return stream; -} - -bool operator==(const string& lhs, const string& rhs) -{ - return strcmp(lhs.c_str(), rhs.c_str()) == 0; -} -bool operator<=(const string& lhs, const string& rhs) -{ - return strcmp(lhs.c_str(), rhs.c_str()) <= 0; - -} -bool operator<(const string& lhs, const string& rhs) -{ - return strcmp(lhs.c_str(), rhs.c_str()) < 0; - -} - -string::string(string&& otherString) -{ - str = otherString.str; - size = otherString.size; - otherString.str = nullptr; -} - -string& string::operator=(string&& otherString) -{ - if (this != &otherString) - { - free(); - str = otherString.str; - otherString.str = nullptr; - size = otherString.size; - } - return *this; -} \ No newline at end of file diff --git a/Utills/Kindle/string.h b/Utills/Kindle/string.h deleted file mode 100644 index d5a06be..0000000 --- a/Utills/Kindle/string.h +++ /dev/null @@ -1,42 +0,0 @@ -#pragma once - -#include -#include -class string -{ - char* str; - size_t size; - - void copyFrom(const string& other); - void free(); - -public: - string(); - string(const char*); - - string(const string&); - - string(string&&); //move constructor that accepts rvalue; - - string& operator=(const string& other); - string& operator=(string&& other); //move op= that accepts rvalue; - - ~string(); - - size_t getSize() const; - void concat(const string& other); - - const char* c_str() const; - - string& operator+=(const string& other); - - friend std::ostream& operator<<(std::ostream& stream, const string& str); - friend std::istream& operator>>(std::istream& stream, string& str); - void getLine(std::istream& out); -}; - -string operator+(const string& lhs, const string& rhs); - -bool operator==(const string& lhs, const string& rhs); -bool operator<=(const string& lhs, const string& rhs); -bool operator<(const string& lhs, const string& rhs); \ No newline at end of file diff --git a/Utills/Kindle/vector.hpp b/Utills/Kindle/vector.hpp deleted file mode 100644 index 1afb2a5..0000000 --- a/Utills/Kindle/vector.hpp +++ /dev/null @@ -1,239 +0,0 @@ -#pragma once -#include -const size_t DEFAULT_CAPACITY = 4; - -template -class Vector { -private: - T* data; - size_t size; - size_t capacity; -public: - Vector(); - Vector(const Vector&); - Vector(Vector&&); - Vector& operator=(const Vector&); - Vector& operator=(Vector&&); - ~Vector(); - - size_t getSize() const; - size_t getCapacity() const; - - void pushBack(const T&); - void pushBack(T&& n); - void pushAt(const T&, const size_t); - void pushAt(T&&, const size_t); - T& popBack(); - T& popAt(const size_t); - T& operator[](const size_t); - const T& operator[](const size_t) const; - bool empty() const; - void clear(); - void swap(const Vector&); -private: - void copy(const Vector&); - void free(); - void move(Vector&&); - - size_t calculateCapacity(const size_t) const; - void resize(const size_t); -}; - -template -Vector::Vector() { - data = nullptr; - capacity = size = 0; -} - -template -Vector::Vector(const Vector& other) { - copy(other); -} - -template -Vector::Vector(Vector&& other) { - move(std::move(other)); -} - -template -Vector& Vector::operator=(const Vector& other) { - if (this != &other) - { - free(); - copy(other); - } - - return *this; -} - -template -Vector& Vector::operator=(Vector&& other) { - if (this != &other) - { - free(); - move(std::move(other)); - } - - return *this; -} - -template -Vector::~Vector() { - free(); -} - -template -size_t Vector::getSize() const { - return size; -} - -template -size_t Vector::getCapacity() const { - return capacity; -} - -template -void Vector::pushBack(const T& element) { - if (size + 1 > capacity) - resize(size + 1); - - data[size++] = element; -} - - -template -void Vector::pushBack(T&& element) { - if (size + 1 > capacity) - resize(size + 1); - - data[size++] = element; -} - -template -void Vector::pushAt(const T& element, const size_t index) { - if (size + 1 > capacity) - resize(size + 1); - - for (size_t i = size; i > index; i--) - data[i] = data[i - 1]; - - data[index] = element; - size++; -} - -template -void Vector::pushAt(T&& element, const size_t index) { - if (size + 1 > capacity) - resize(size + 1); - - for (size_t i = size; i > index; i--) - data[i] = data[i - 1]; - - data[index] = element; - size++; -} - -template -T& Vector::popBack() { - if (empty()) - throw "Vector is empty"; - - return data[--size]; -} - -template -T& Vector::popAt(size_t index) { - if (index < 0 || index >= size) - throw "Invalid index"; - - T temp = data[index]; - for (size_t i = index; i < size - 1; i++) - data[i] = data[i + 1]; - - size--; - return temp; -} - -template -T& Vector::operator[](const size_t index) { - if (index < 0 || index >= size) - throw "Invalid index"; - - return data[index]; -} - -template -const T& Vector::operator[](const size_t index) const { - if (index < 0 || index >= size) - throw "Invalid index"; - - return data[index]; -} - -template -bool Vector::empty() const { - return size == 0; -} - -template -void Vector::clear() { - delete[] data; - capacity = DEFAULT_CAPACITY; - data = new T[capacity]; - size = 0; -} - -template -void Vector::swap(const Vector& other) { - Vector tempVector(std::move(*this)); - *this = std::move(other); - other = std::move(tempVector); -} - -template -void Vector::copy(const Vector& other) { - size = other.size; - capacity = other.capacity; - data = new T[capacity]; - - for (size_t i = 0; i < size; i++) - data[i] = other[i]; -} - -template -void Vector::free() { - delete[] data; - data = nullptr; - capacity = size = 0; -} - -template -void Vector::move(Vector&& other) -{ - data = other.data; - size = other.size; - capacity = other.capacity; - - other.data = nullptr; - other.capacity = other.size = 0; -} -template -size_t Vector::calculateCapacity(const size_t number) const { - size_t result = DEFAULT_CAPACITY; - while (number > result) - result *= 2; - - return result; -} - -template -void Vector::resize(const size_t expectedCapacityToFit) { - capacity = calculateCapacity(expectedCapacityToFit); - T* temp = new T[capacity]; - - for (size_t i = 0; i < size; i++) - temp[i] = data[i]; - - delete[] data; - data = temp; -} \ No newline at end of file -- cgit v1.3.1-23-gd82d