1 files changed, 53 insertions, 0 deletions
diff --git a/week12/Exercise1/TextDocument.cpp b/week12/Exercise1/TextDocument.cpp
new file mode 100644
index 0000000..f5abf2c
--- /dev/null
+++ b/week12/Exercise1/TextDocument.cpp
@@ -0,0 +1,53 @@
+#include "TextDocument.h"
+#include <cstring>
+
+void TextDocument::free() {
+	delete[] text;
+}
+
+void TextDocument::copyFrom(const TextDocument& other) {
+	this->len = other.len;
+	this->text = new char[len + 1];
+	strcpy(this->text, other.text);
+}
+
+TextDocument::TextDocument() {
+	this->text = nullptr;
+}
+
+TextDocument::~TextDocument() {
+	free();
+}
+
+TextDocument::TextDocument(const TextDocument& other) {
+	copyFrom(other);
+}
+
+TextDocument& TextDocument::operator=(const TextDocument& other) {
+	if (this != &other) {
+		free();
+		copyFrom(other);
+	}
+	return *this;
+}
+
+TextDocument::TextDocument(TextDocument&& other) {
+	this->len = other.len;
+	this->text = other.text;
+	other.text = nullptr;
+}
+
+TextDocument& TextDocument::operator=(TextDocument&& other) {
+	if (this != &other) {
+		free();
+
+		this->len = other.len;
+		this->text = other.text;
+		other.text = nullptr;
+	}
+	return *this;
+}
+
+std::ostream& operator<<(std::ostream& ostr, const TextDocument& other) {
+	return ostr << other.text;
+}