create backend string class

1 files changed, 28 insertions, 0 deletions

diff --git a/backend/String.h b/backend/String.h
new file mode 100644
index 0000000..b4025be
--- /dev/null
+++ b/backend/String.h
@@ -0,0 +1,28 @@
+#pragma once
+
+#include <stddef.h>
+
+class String {
+public:
+	String();
+	String(const char * c_str);
+	String(const String &);
+	~String();
+public:
+	static String fmt(const char * fmt, ...);
+
+public:
+	const char * c_str() const;
+	char * data() const;
+	size_t size() const;
+	bool empty() const;
+
+private:
+	void set(const char * data);
+	void set(const char * data, size_t data_len);
+private:
+	char * _data = nullptr;
+	size_t _data_len = 0;
+
+};
+