lang/c/msgpack: added C++ binding

git-svn-id: file:///Users/frsyuki/project/msgpack-git/svn/x@50 5a5092ae-2292-43ba-b2d5-dcab9c1a2731

cpp/unpack.hpp

@@ -0,0 +1,48 @@
+#ifndef MSGPACK_UNPACK_HPP__
+#define MSGPACK_UNPACK_HPP__
+
+#include "msgpack/object.hpp"
+#include "msgpack/zone.hpp"
+#include <stdexcept>
+
+namespace msgpack {
+
+
+struct unpack_error : public std::runtime_error {
+	unpack_error(const std::string& msg) :
+		std::runtime_error(msg) { }
+};
+
+
+class unpacker {
+public:
+	unpacker(zone& z);
+	~unpacker();
+public:
+	size_t execute(const void* data, size_t len, size_t off);
+	bool is_finished() { return m_finished; }
+	object data();
+	void reset();
+private:
+	struct context;
+	context* m_ctx;
+	zone& m_zone;
+	bool m_finished;
+private:
+	unpacker();
+	unpacker(const unpacker&);
+public:
+	static object unpack(const void* data, size_t len, zone& z);
+};
+
+
+inline object unpack(const void* data, size_t len, zone& z)
+{
+	return unpacker::unpack(data, len, z);
+}
+
+
+}  // namespace msgpack
+
+#endif /* msgpack/unpack.hpp */
+