Implemented (broken) overall functionality of ex3 of sem 08

1 files changed, 50 insertions, 0 deletions

diff --git a/Year 1/Object-oriented Programming/Solutions Sem. 08/ex3/DynStr.cpp b/Year 1/Object-oriented Programming/Solutions Sem. 08/ex3/DynStr.cpp
new file mode 100644
index 0000000..4f4d52e
--- /dev/null
+++ b/Year 1/Object-oriented Programming/Solutions Sem. 08/ex3/DynStr.cpp
@@ -0,0 +1,50 @@
+#include "DynStr.h"
+#include <cstring>
+
+/* Private */
+
+void DynStr::free() {
+	if(str != nullptr) delete[] str;
+}
+
+void DynStr::copyFrom(const DynStr& other) {
+	length = other.length;
+
+	str = new char[length];
+	for (int i = 0; i < length; i++)
+		str[i] = other.str[i];
+}
+
+/* Public */
+
+DynStr::DynStr() {
+	str = nullptr;
+	length = 0;
+}
+
+DynStr::DynStr(const char* str) {
+	int strLen = strlen(str);
+	this->str = new char[strLen];
+	strcpy(this->str, str);
+	length = strLen;
+}
+
+DynStr::DynStr(const DynStr& copy) {
+	copyFrom(copy);
+}
+
+DynStr& DynStr::operator=(const DynStr& other) {
+	if (this != &other) {
+		free();
+		copyFrom(other);
+	}
+	return *this;
+}
+
+DynStr::~DynStr() {
+	free();
+}
+
+const char* DynStr::get_str() const {
+	return str;
+}