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Reverted msgpack::move() on the C++03. Const-correntness isn't broken now.

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Implemented msgpack::object_handle using the same design pattern as std::auto_ptr and std::auto_ptr_ref.
Minimized the uses of #if defined(MSGPACK_USE_CPP03) conditional macro.
This commit is contained in:
Takatoshi Kondo
2015-05-22 09:11:02 +09:00
parent e18f5b2d52
commit 9e18ac5d2d
3 changed files with 66 additions and 28 deletions
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40
include/msgpack/object.hpp
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@@ -56,6 +56,39 @@ public:
const msgpack::unique_ptr<msgpack::zone>& zone() const
{ return m_zone; }
#if defined(MSGPACK_USE_CPP03)
struct object_handle_ref {
object_handle_ref(object_handle* oh):m_oh(oh) {}
object_handle* m_oh;
};
object_handle(object_handle& other):
m_obj(other.m_obj),
m_zone(msgpack::move(other.m_zone)) {
}
object_handle(object_handle_ref ref):
m_obj(ref.m_oh->m_obj),
m_zone(msgpack::move(ref.m_oh->m_zone)) {
}
object_handle& operator=(object_handle& other) {
m_obj = other.m_obj;
m_zone = msgpack::move(other.m_zone);
return *this;
}
object_handle& operator=(object_handle_ref ref) {
m_obj = ref.m_oh->m_obj;
m_zone = msgpack::move(ref.m_oh->m_zone);
return *this;
}
operator object_handle_ref() {
return object_handle_ref(this);
}
#endif // defined(MSGPACK_USE_CPP03)
private:
msgpack::object m_obj;
msgpack::unique_ptr<msgpack::zone> m_zone;
@@ -110,13 +143,8 @@ inline std::size_t aligned_zone_size(msgpack::object const& obj) {
inline object_handle clone(msgpack::object const& obj) {
std::size_t size = msgpack::aligned_zone_size(obj);
msgpack::unique_ptr<msgpack::zone> z(size == 0 ? nullptr : new msgpack::zone(size));
#if defined(MSGPACK_USE_CPP03)
msgpack::object newobj = z.get() ? msgpack::move(msgpack::object(obj, *z)) : msgpack::move(obj);
return msgpack::move(object_handle(newobj, msgpack::move(z)));
#else // defined(MSGPACK_USE_CPP03)
msgpack::object newobj = z ? msgpack::object(obj, *z) : obj;
msgpack::object newobj = z.get() ? msgpack::object(obj, *z) : obj;
return object_handle(newobj, msgpack::move(z));
#endif // defined(MSGPACK_USE_CPP03)
}
struct object::implicit_type {