| // Copyright (C) 2004 Arkadiy Vertleyb |
| // Copyright (C) 2005 Peder Holt |
| // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| |
| #ifndef NDNBOOST_TYPEOF_TEMPLATE_ENCODING_HPP_INCLUDED |
| #define NDNBOOST_TYPEOF_TEMPLATE_ENCODING_HPP_INCLUDED |
| |
| #include <ndnboost/preprocessor/cat.hpp> |
| #include <ndnboost/preprocessor/repetition/enum_trailing.hpp> |
| #include <ndnboost/preprocessor/control/iif.hpp> |
| #include <ndnboost/preprocessor/detail/is_unary.hpp> |
| #include <ndnboost/preprocessor/repetition/repeat.hpp> |
| #include <ndnboost/preprocessor/tuple/eat.hpp> |
| #include <ndnboost/preprocessor/seq/transform.hpp> |
| #include <ndnboost/preprocessor/seq/for_each_i.hpp> |
| #include <ndnboost/preprocessor/seq/cat.hpp> |
| |
| #include <ndnboost/typeof/encode_decode.hpp> |
| #include <ndnboost/typeof/int_encoding.hpp> |
| |
| #include <ndnboost/typeof/type_template_param.hpp> |
| #include <ndnboost/typeof/integral_template_param.hpp> |
| #include <ndnboost/typeof/template_template_param.hpp> |
| |
| #ifdef __BORLANDC__ |
| #define NDNBOOST_TYPEOF_QUALIFY(P) self_t::P |
| #else |
| #define NDNBOOST_TYPEOF_QUALIFY(P) P |
| #endif |
| // The template parameter description, entered by the user, |
| // is converted into a polymorphic "object" |
| // that is used to generate the code responsible for |
| // encoding/decoding the parameter, etc. |
| |
| // make sure to cat the sequence first, and only then add the prefix. |
| #define NDNBOOST_TYPEOF_MAKE_OBJ(elem) NDNBOOST_PP_CAT(\ |
| NDNBOOST_TYPEOF_MAKE_OBJ,\ |
| NDNBOOST_PP_SEQ_CAT((_) NDNBOOST_TYPEOF_TO_SEQ(elem))\ |
| ) |
| |
| #define NDNBOOST_TYPEOF_TO_SEQ(tokens) NDNBOOST_TYPEOF_ ## tokens ## _NDNBOOST_TYPEOF |
| |
| // NDNBOOST_TYPEOF_REGISTER_TEMPLATE |
| |
| #define NDNBOOST_TYPEOF_REGISTER_TEMPLATE_EXPLICIT_ID(Name, Params, Id)\ |
| NDNBOOST_TYPEOF_REGISTER_TEMPLATE_IMPL(\ |
| Name,\ |
| NDNBOOST_TYPEOF_MAKE_OBJS(NDNBOOST_TYPEOF_TOSEQ(Params)),\ |
| NDNBOOST_PP_SEQ_SIZE(NDNBOOST_TYPEOF_TOSEQ(Params)),\ |
| Id) |
| |
| #define NDNBOOST_TYPEOF_REGISTER_TEMPLATE(Name, Params)\ |
| NDNBOOST_TYPEOF_REGISTER_TEMPLATE_EXPLICIT_ID(Name, Params, NDNBOOST_TYPEOF_UNIQUE_ID()) |
| |
| #define NDNBOOST_TYPEOF_OBJECT_MAKER(s, data, elem)\ |
| NDNBOOST_TYPEOF_MAKE_OBJ(elem) |
| |
| #define NDNBOOST_TYPEOF_MAKE_OBJS(Params)\ |
| NDNBOOST_PP_SEQ_TRANSFORM(NDNBOOST_TYPEOF_OBJECT_MAKER, ~, Params) |
| |
| // As suggested by Paul Mensonides: |
| |
| #define NDNBOOST_TYPEOF_TOSEQ(x)\ |
| NDNBOOST_PP_IIF(\ |
| NDNBOOST_PP_IS_UNARY(x),\ |
| x NDNBOOST_PP_TUPLE_EAT(3), NDNBOOST_PP_REPEAT\ |
| )(x, NDNBOOST_TYPEOF_TOSEQ_2, ~) |
| |
| #define NDNBOOST_TYPEOF_TOSEQ_2(z, n, _) (class) |
| |
| // NDNBOOST_TYPEOF_VIRTUAL |
| |
| #define NDNBOOST_TYPEOF_CAT_4(a, b, c, d) NDNBOOST_TYPEOF_CAT_4_I(a, b, c, d) |
| #define NDNBOOST_TYPEOF_CAT_4_I(a, b, c, d) a ## b ## c ## d |
| |
| #define NDNBOOST_TYPEOF_VIRTUAL(Fun, Obj)\ |
| NDNBOOST_TYPEOF_CAT_4(NDNBOOST_TYPEOF_, NDNBOOST_PP_SEQ_HEAD(Obj), _, Fun) |
| |
| // NDNBOOST_TYPEOF_SEQ_ENUM[_TRAILING][_1] |
| // Two versions provided due to reentrancy issue |
| |
| #define NDNBOOST_TYPEOF_SEQ_EXPAND_ELEMENT(z,n,seq)\ |
| NDNBOOST_PP_SEQ_ELEM(0,seq) (z,n,NDNBOOST_PP_SEQ_ELEM(n,NDNBOOST_PP_SEQ_ELEM(1,seq))) |
| |
| #define NDNBOOST_TYPEOF_SEQ_ENUM(seq,macro)\ |
| NDNBOOST_PP_ENUM(NDNBOOST_PP_SEQ_SIZE(seq),NDNBOOST_TYPEOF_SEQ_EXPAND_ELEMENT,(macro)(seq)) |
| |
| #define NDNBOOST_TYPEOF_SEQ_ENUM_TRAILING(seq,macro)\ |
| NDNBOOST_PP_ENUM_TRAILING(NDNBOOST_PP_SEQ_SIZE(seq),NDNBOOST_TYPEOF_SEQ_EXPAND_ELEMENT,(macro)(seq)) |
| |
| #define NDNBOOST_TYPEOF_SEQ_EXPAND_ELEMENT_1(z,n,seq)\ |
| NDNBOOST_PP_SEQ_ELEM(0,seq) (z,n,NDNBOOST_PP_SEQ_ELEM(n,NDNBOOST_PP_SEQ_ELEM(1,seq))) |
| |
| #define NDNBOOST_TYPEOF_SEQ_ENUM_1(seq,macro)\ |
| NDNBOOST_PP_ENUM(NDNBOOST_PP_SEQ_SIZE(seq),NDNBOOST_TYPEOF_SEQ_EXPAND_ELEMENT_1,(macro)(seq)) |
| |
| #define NDNBOOST_TYPEOF_SEQ_ENUM_TRAILING_1(seq,macro)\ |
| NDNBOOST_PP_ENUM_TRAILING(NDNBOOST_PP_SEQ_SIZE(seq),NDNBOOST_TYPEOF_SEQ_EXPAND_ELEMENT_1,(macro)(seq)) |
| |
| // |
| |
| #define NDNBOOST_TYPEOF_PLACEHOLDER(z, n, elem)\ |
| NDNBOOST_TYPEOF_VIRTUAL(PLACEHOLDER, elem)(elem) |
| |
| #define NDNBOOST_TYPEOF_PLACEHOLDER_TYPES(z, n, elem)\ |
| NDNBOOST_TYPEOF_VIRTUAL(PLACEHOLDER_TYPES, elem)(elem, n) |
| |
| #define NDNBOOST_TYPEOF_REGISTER_TEMPLATE_ENCODE_PARAM(r, data, n, elem)\ |
| NDNBOOST_TYPEOF_VIRTUAL(ENCODE, elem)(elem, n) |
| |
| #define NDNBOOST_TYPEOF_REGISTER_TEMPLATE_DECODE_PARAM(r, data, n, elem)\ |
| NDNBOOST_TYPEOF_VIRTUAL(DECODE, elem)(elem, n) |
| |
| #define NDNBOOST_TYPEOF_REGISTER_TEMPLATE_PARAM_PAIR(z, n, elem) \ |
| NDNBOOST_TYPEOF_VIRTUAL(EXPANDTYPE, elem)(elem) NDNBOOST_PP_CAT(P, n) |
| |
| #define NDNBOOST_TYPEOF_REGISTER_DEFAULT_TEMPLATE_TYPE(Name,Params,ID)\ |
| Name< NDNBOOST_PP_ENUM_PARAMS(NDNBOOST_PP_SEQ_SIZE(Params), P) > |
| |
| //Since we are creating an internal decode struct, we need to use different template names, T instead of P. |
| #define NDNBOOST_TYPEOF_REGISTER_DECODER_TYPE_PARAM_PAIR(z,n,elem) \ |
| NDNBOOST_TYPEOF_VIRTUAL(EXPANDTYPE, elem)(elem) NDNBOOST_PP_CAT(T, n) |
| |
| //Default template param decoding |
| |
| #define NDNBOOST_TYPEOF_TYPEDEF_DECODED_TEMPLATE_TYPE(Name,Params)\ |
| typedef Name<NDNBOOST_PP_ENUM_PARAMS(NDNBOOST_PP_SEQ_SIZE(Params),NDNBOOST_TYPEOF_QUALIFY(P))> type; |
| |
| //Branch the decoding |
| #define NDNBOOST_TYPEOF_TYPEDEF_DECODED_TYPE(Name,Params)\ |
| NDNBOOST_PP_IF(NDNBOOST_TYPEOF_HAS_TEMPLATES(Params),\ |
| NDNBOOST_TYPEOF_TYPEDEF_DECODED_TEMPLATE_TEMPLATE_TYPE,\ |
| NDNBOOST_TYPEOF_TYPEDEF_DECODED_TEMPLATE_TYPE)(Name,Params) |
| |
| #define NDNBOOST_TYPEOF_REGISTER_TEMPLATE_IMPL(Name, Params, Size, ID)\ |
| NDNBOOST_TYPEOF_BEGIN_ENCODE_NS\ |
| NDNBOOST_TYPEOF_REGISTER_TEMPLATE_TEMPLATE_IMPL(Name, Params, ID)\ |
| template<class V\ |
| NDNBOOST_TYPEOF_SEQ_ENUM_TRAILING(Params, NDNBOOST_TYPEOF_REGISTER_TEMPLATE_PARAM_PAIR)\ |
| >\ |
| struct encode_type_impl<V, Name<NDNBOOST_PP_ENUM_PARAMS(Size, P)> >\ |
| {\ |
| typedef typename ndnboost::type_of::push_back<V, ndnboost::mpl::size_t<ID> >::type V0;\ |
| NDNBOOST_PP_SEQ_FOR_EACH_I(NDNBOOST_TYPEOF_REGISTER_TEMPLATE_ENCODE_PARAM, ~, Params)\ |
| typedef NDNBOOST_PP_CAT(V, Size) type;\ |
| };\ |
| template<class Iter>\ |
| struct decode_type_impl<ndnboost::mpl::size_t<ID>, Iter>\ |
| {\ |
| typedef decode_type_impl<ndnboost::mpl::size_t<ID>, Iter> self_t;\ |
| typedef ndnboost::mpl::size_t<ID> self_id;\ |
| typedef Iter iter0;\ |
| NDNBOOST_PP_SEQ_FOR_EACH_I(NDNBOOST_TYPEOF_REGISTER_TEMPLATE_DECODE_PARAM, ~, Params)\ |
| NDNBOOST_TYPEOF_TYPEDEF_DECODED_TYPE(Name, Params)\ |
| typedef NDNBOOST_PP_CAT(iter, Size) iter;\ |
| };\ |
| NDNBOOST_TYPEOF_END_ENCODE_NS |
| |
| #endif//NDNBOOST_TYPEOF_TEMPLATE_ENCODING_HPP_INCLUDED |