msgpack/cpp/type/define.hpp.erb

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//
// MessagePack for C++ static resolution routine
//
// Copyright (C) 2008-2009 FURUHASHI Sadayuki
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef MSGPACK_TYPE_DEFINE_HPP__
#define MSGPACK_TYPE_DEFINE_HPP__
#define MSGPACK_DEFINE(...) \
template <typename Packer> \
void msgpack_pack(Packer& pk) const \
{ \
msgpack::type::make_define(__VA_ARGS__).msgpack_pack(pk); \
} \
void msgpack_unpack(msgpack::object o) \
{ \
msgpack::type::make_define(__VA_ARGS__).msgpack_unpack(o); \
}
namespace msgpack {
namespace type {
<% GENERATION_LIMIT = 31 %>
template <typename A0 = void<%1.upto(GENERATION_LIMIT+1) {|i|%>, typename A<%=i%> = void<%}%>>
struct define;
template <>
struct define<> {
typedef define<> value_type;
typedef tuple<> tuple_type;
template <typename Packer>
void msgpack_pack(Packer& pk) const
{
pk.pack_array(1);
}
void msgpack_unpack(msgpack::object o)
{
if(o.type != type::ARRAY) { throw type_error(); }
}
};
<%0.upto(GENERATION_LIMIT) {|i|%>
template <typename A0<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>
struct define<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>> {
typedef define<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>> value_type;
typedef tuple<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>> tuple_type;
define(A0& _a0<%1.upto(i) {|j|%>, A<%=j%>& _a<%=j%><%}%>) :
a0(_a0)<%1.upto(i) {|j|%>, a<%=j%>(_a<%=j%>)<%}%> {}
template <typename Packer>
void msgpack_pack(Packer& pk) const
{
pk.pack_array(<%=i+1%>);
<%0.upto(i) {|j|%>
pk.pack(a<%=j%>);<%}%>
}
void msgpack_unpack(msgpack::object o)
{
if(o.type != type::ARRAY) { throw type_error(); }
const size_t size = o.via.array.size;
<%0.upto(i) {|j|%>
if(size <= <%=j%>) { return; } o.via.array.ptr[<%=j%>].convert(&a<%=j%>);<%}%>
}
<%0.upto(i) {|j|%>
A<%=j%>& a<%=j%>;<%}%>
};
<%}%>
inline define<> make_define()
{
return define<>();
}
<%0.upto(GENERATION_LIMIT) {|i|%>
template <typename A0<%1.upto(i) {|j|%>, typename A<%=j%><%}%>>
define<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>> make_define(A0& a0<%1.upto(i) {|j|%>, A<%=j%>& a<%=j%><%}%>)
{
return define<A0<%1.upto(i) {|j|%>, A<%=j%><%}%>>(a0<%1.upto(i) {|j|%>, a<%=j%><%}%>);
}
<%}%>
} // namespace type
} // namespace msgpack
#endif /* msgpack/type/define.hpp */