meta: add c++ wrapper of core module

core-mm/include/blue/core/stringstream.hpp

@@ -0,0 +1,23 @@
+#ifndef BLUE_CORE_STRINGSTREAM_HPP_
+#define BLUE_CORE_STRINGSTREAM_HPP_
+
+#include <blue/core/stream.hpp>
+
+namespace blue::core
+{
+class stringstream : public stream
+{
+    public:
+	stringstream();
+	stringstream(char *buf, std::size_t max);
+
+	status reset();
+	status reset(char *buf, std::size_t max);
+
+	const char *get_ptr() const;
+	char *steal_ptr();
+	std::size_t get_length() const;
+};
+}
+
+#endif