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Commit9f61b59ca6ceb76cd634240d118f5771c0534f3d (patch)
Author
 Syndamia <kamen.d.mladenov@protonmail.com>
2022-04-20 18:43:21 +0300
Committer
 Syndamia <kamen.d.mladenov@protonmail.com>
2022-04-20 18:43:21 +0300
Files3fa15098faa79b5df0927e92dae0125c447ac1be /Year 1/Object-oriented Programming/Exam 1/ex2
uni-projects-9f61b59ca6ceb76cd634240d118f5771c0534f3d.tar
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uni-projects-9f61b59ca6ceb76cd634240d118f5771c0534f3d.zip
Parent26cf424c42f9cdc172191faa5b2d1c1fcf350143 (diff)
Added my work from todays exam
diff --git a/Year 1/Object-oriented Programming/Exam 1/ex2/Book.cpp b/Year 1/Object-oriented Programming/Exam 1/ex2/Book.cpp
new file mode 100644
index 0000000..c487e41
--- /dev/null
+++ b/Year 1/Object-oriented Programming/Exam 1/ex2/Book.cpp
@@ -0,0 +1,32 @@
+#include "Book.h"
+#include <cstring>
+
+Book::Book()
+{}
+
+Book::Book(const char* name, const char* author, unsigned count) {
+ this->set_name(name);
+ this->set_author(author);
+ this->set_count(count);
+}
+
+const char* Book::get_name() const {
+ return this->name;
+}
+void Book::set_name(const char* newName) {
+ strcpy(this->name, newName);
+}
+
+const char* Book::get_author() const {
+ return this->author;
+}
+void Book::set_author(const char* newAuthor) {
+ strcpy(this->author, newAuthor);
+}
+
+unsigned Book::get_count() const {
+ return this->count;
+}
+void Book::set_count(unsigned newCount) {
+ this->count = newCount;
+}
diff --git a/Year 1/Object-oriented Programming/Exam 1/ex2/Book.h b/Year 1/Object-oriented Programming/Exam 1/ex2/Book.h
new file mode 100644
index 0000000..849d0bd
--- /dev/null
+++ b/Year 1/Object-oriented Programming/Exam 1/ex2/Book.h
@@ -0,0 +1,18 @@
+class Book {
+ char name[100];
+ char author[100];
+ unsigned count; // тираж
+
+public:
+ Book();
+ Book(const char* name, const char* author, unsigned count);
+
+ const char* get_name() const;
+ void set_name(const char* newName);
+
+ const char* get_author() const;
+ void set_author(const char* newAuthor);
+
+ unsigned get_count() const;
+ void set_count(unsigned newCount);
+};
diff --git a/Year 1/Object-oriented Programming/Exam 1/ex2/BookList.cpp b/Year 1/Object-oriented Programming/Exam 1/ex2/BookList.cpp
new file mode 100644
index 0000000..32d39f0
--- /dev/null
+++ b/Year 1/Object-oriented Programming/Exam 1/ex2/BookList.cpp
@@ -0,0 +1,65 @@
+#include "BookList.h"
+
+/* Private */
+
+void BookList::resize() {
+ this->bookLength = (this->bookLength == 0) ? 8 : this->bookLength << 1;
+
+ Book* newBooks = new Book[this->bookLength];
+ for (unsigned i = 0; i < this->bookCount; i++)
+ newBooks[i] = this->books[i];
+ delete[] this->books;
+ this->books = newBooks;
+}
+
+void BookList::readFromFile(std::ifstream& inFile) {
+ char nameBuffer[100], authorBuffer[100];
+ unsigned countBuffer;
+ while(!inFile.eof()) {
+ inFile.read(nameBuffer, sizeof(nameBuffer));
+ inFile.read(authorBuffer, sizeof(authorBuffer));
+ inFile.read((char*)&countBuffer, sizeof(countBuffer));
+ this->addBook(Book(nameBuffer, authorBuffer, countBuffer));
+ }
+}
+
+void BookList::writeToFile(std::ofstream& outFile) const {
+ unsigned countBuffer;
+ for (int i = 0; i < this->bookCount; i++) {
+ outFile.write(this->books[i].get_name(), sizeof(this->books[i].get_name()));
+ outFile.write(this->books[i].get_author(), sizeof(this->books[i].get_author()));
+ countBuffer = this->books[i].get_count();
+ outFile.write((const char*)&countBuffer, sizeof(countBuffer));
+ }
+}
+
+void BookList::writePopularToFile(std::ofstream& outFile) const {
+ for (int i = 0; i < this->bookCount; i++) {
+ if (this->books[i].get_count() >= 1000) {
+ outFile << this->books[i].get_name() << " " << this->books[i].get_author() << " " << this->books[i].get_count() << std::endl;
+ }
+ }
+}
+
+BookList::BookList()
+{}
+
+// Не ми стигна времето, но другите функции са аналогични на тeзи двете
+
+bool BookList::readFromFile(const char* filePath) {
+ std::ifstream file(filePath, std::ios::binary);
+ if (!file.is_open())
+ return false;
+ this->readFromFile(file);
+ file.close();
+ return true;
+}
+
+bool BookList::writePopularToFile(const char* filePath) const {
+ std::ofstream file(filePath);
+ if (!file.is_open())
+ return false;
+ this->writePopularToFile(file);
+ file.close();
+ return true;
+}
diff --git a/Year 1/Object-oriented Programming/Exam 1/ex2/BookList.h b/Year 1/Object-oriented Programming/Exam 1/ex2/BookList.h
new file mode 100644
index 0000000..0d1d415
--- /dev/null
+++ b/Year 1/Object-oriented Programming/Exam 1/ex2/BookList.h
@@ -0,0 +1,24 @@
+#include "Book.h"
+#include <fstream>
+
+class BookList {
+ Book* books;
+ unsigned bookCount;
+ unsigned bookLength;
+
+ void resize();
+
+ void readFromFile(std::ifstream& inFile);
+ void writeToFile(std::ofstream& outFile) const;
+ void writePopularToFile(std::ofstream& outFile) const;
+
+public:
+ BookList();
+ BookList(const Book* books);
+
+ bool addBook(const Book& book);
+
+ bool readFromFile(const char* filePath);
+ bool writeToFile(const char* filePath) const;
+ bool writePopularToFile(const char* filePath) const;
+};
diff --git a/Year 1/Object-oriented Programming/Exam 1/ex2/source.cpp b/Year 1/Object-oriented Programming/Exam 1/ex2/source.cpp
new file mode 100644
index 0000000..522ca39
--- /dev/null
+++ b/Year 1/Object-oriented Programming/Exam 1/ex2/source.cpp
@@ -0,0 +1,8 @@
+#include <iostream>
+#include "BookList.h"
+
+int main() {
+ BookList bookList;
+ bookList.readFromFile("library.dat");
+ bookList.writePopularToFile("popular.txt");
+}