[w13] Added solutions

1 files changed, 85 insertions, 0 deletions

diff --git a/week13/Exercise3/Thread.cpp b/week13/Exercise3/Thread.cpp
new file mode 100644
index 0000000..6cd13ba
--- /dev/null
+++ b/week13/Exercise3/Thread.cpp
@@ -0,0 +1,85 @@
+#include "Thread.h"
+#include <cstring>
+
+void Thread::resize() {
+	this->allocated *= 2;
+	char** moreMessages = new char*[this->allocated];
+	for (int i = 0; i < this->size; i++) {
+		moreMessages[i] = this->messages[i];
+	}
+	delete[] this->messages;
+	this->messages = moreMessages;
+}
+
+void Thread::free() {
+	for (int i = 0; i < size; i++) {
+		delete[] messages[i];
+	}
+	delete[] messages;
+}
+
+void Thread::copyFrom(const Thread& other) {
+	this->size = other.size;
+	this->allocated = other.allocated;
+	this->messages = new char*[allocated];
+	for (int i = 0; i < size; i++) {
+		this->messages[i] = new char[strlen(other.messages[i] + 1)];
+		strcpy(this->messages[i], other.messages[i]);
+	}
+}
+
+Thread::Thread() {
+	this->messages = nullptr;
+	this->size = this->allocated = 0;
+}
+
+Thread::~Thread() {
+	free();
+}
+
+Thread::Thread(const Thread& other) {
+	copyFrom(other);
+}
+
+Thread& Thread::operator=(const Thread& other) {
+	if (this != &other) {
+		free();
+		copyFrom(other);
+	}
+	return *this;
+}
+
+Thread::Thread(Thread&& other) {
+	this->size = other.size;
+	this->allocated = other.allocated;
+	this->messages = other.messages;
+	other.messages = nullptr;
+}
+
+Thread& Thread::operator=(Thread&& other) {
+	if (this != &other) {
+		free();
+
+		this->size = other.size;
+		this->allocated = other.allocated;
+		this->messages = other.messages;
+		other.messages = nullptr;
+	}
+	return *this;
+}
+
+void Thread::PostMessage(const User& poster, const char* message) {
+	if (poster.IsBanned()) {
+		throw "User cannot post!";
+	}
+	if (this->size == this->allocated) {
+		resize();
+	}
+
+	char* newMessage = new char[strlen(poster.GetUsername()) + 1 + strlen(message) + 1];
+	strcpy(newMessage, poster.GetUsername());
+	strcat(newMessage, " "); // За да знаем къде свършва потребителското име
+	strcat(newMessage, message);
+
+	this->messages[this->size++] = newMessage;
+}