source: NonGTP/Boost/boost/mpl/aux_/inserter_algorithm.hpp @ 857

Revision 857, 4.9 KB checked in by igarcia, 19 years ago (diff)
Line 
1
2#ifndef BOOST_MPL_AUX_INSERTER_ALGORITHM_HPP_INCLUDED
3#define BOOST_MPL_AUX_INSERTER_ALGORITHM_HPP_INCLUDED
4
5// Copyright Aleksey Gurtovoy 2003-2004
6// Copyright David Abrahams 2003-2004
7//
8// Distributed under the Boost Software License, Version 1.0.
9// (See accompanying file LICENSE_1_0.txt or copy at
10// http://www.boost.org/LICENSE_1_0.txt)
11//
12// See http://www.boost.org/libs/mpl for documentation.
13
14// $Source: /cvsroot/boost/boost/boost/mpl/aux_/inserter_algorithm.hpp,v $
15// $Date: 2004/09/02 15:40:43 $
16// $Revision: 1.2 $
17
18#include <boost/mpl/back_inserter.hpp>
19#include <boost/mpl/front_inserter.hpp>
20#include <boost/mpl/push_back.hpp>
21#include <boost/mpl/push_front.hpp>
22#include <boost/mpl/back_inserter.hpp>
23#include <boost/mpl/front_inserter.hpp>
24#include <boost/mpl/clear.hpp>
25#include <boost/mpl/eval_if.hpp>
26#include <boost/mpl/if.hpp>
27#include <boost/mpl/aux_/na.hpp>
28#include <boost/mpl/aux_/common_name_wknd.hpp>
29#include <boost/mpl/aux_/na_spec.hpp>
30#include <boost/mpl/aux_/preprocessor/params.hpp>
31#include <boost/mpl/aux_/preprocessor/default_params.hpp>
32#include <boost/mpl/aux_/config/ctps.hpp>
33
34#include <boost/preprocessor/arithmetic/dec.hpp>
35
36#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
37
38#   define BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(arity, name) \
39BOOST_MPL_AUX_COMMON_NAME_WKND(name) \
40template< \
41      BOOST_MPL_PP_DEFAULT_PARAMS(arity, typename P, na) \
42    > \
43struct name \
44    : aux::name##_impl<BOOST_MPL_PP_PARAMS(arity, P)> \
45{ \
46}; \
47\
48template< \
49      BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), typename P) \
50    > \
51struct name< BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P),na > \
52    : if_< has_push_back<P1> \
53        , aux::name##_impl< \
54              BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
55            , back_inserter< typename clear<P1>::type > \
56            > \
57        , aux::reverse_##name##_impl< \
58              BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
59            , front_inserter< typename clear<P1>::type > \
60            > \
61        >::type \
62{ \
63}; \
64\
65template< \
66      BOOST_MPL_PP_DEFAULT_PARAMS(arity, typename P, na) \
67    > \
68struct reverse_##name \
69    : aux::reverse_##name##_impl<BOOST_MPL_PP_PARAMS(arity, P)> \
70{ \
71}; \
72\
73template< \
74      BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), typename P) \
75    > \
76struct reverse_##name< BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P),na > \
77    : if_< has_push_back<P1> \
78        , aux::reverse_##name##_impl< \
79              BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
80            , back_inserter< typename clear<P1>::type > \
81            > \
82        , aux::name##_impl< \
83              BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
84            , front_inserter< typename clear<P1>::type > \
85            > \
86        >::type \
87{ \
88}; \
89BOOST_MPL_AUX_NA_SPEC(arity, name) \
90BOOST_MPL_AUX_NA_SPEC(arity, reverse_##name) \
91/**/
92
93#else
94
95#   define BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(arity, name) \
96BOOST_MPL_AUX_COMMON_NAME_WKND(name) \
97template< \
98      BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), typename P) \
99    > \
100struct def_##name##_impl \
101    : if_< has_push_back<P1> \
102        , aux::name##_impl< \
103              BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
104            , back_inserter< typename clear<P1>::type > \
105            > \
106        , aux::reverse_##name##_impl< \
107              BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
108            , front_inserter< typename clear<P1>::type > \
109            > \
110        >::type \
111{ \
112}; \
113\
114template< \
115      BOOST_MPL_PP_DEFAULT_PARAMS(arity, typename P, na) \
116    > \
117struct name \
118{ \
119    typedef typename eval_if< \
120          is_na<BOOST_PP_CAT(P, arity)> \
121        , def_##name##_impl<BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P)> \
122        , aux::name##_impl<BOOST_MPL_PP_PARAMS(arity, P)> \
123        >::type type; \
124}; \
125\
126template< \
127      BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), typename P) \
128    > \
129struct def_reverse_##name##_impl \
130    : if_< has_push_back<P1> \
131        , aux::reverse_##name##_impl< \
132              BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
133            , back_inserter< typename clear<P1>::type > \
134            > \
135        , aux::name##_impl< \
136              BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
137            , front_inserter< typename clear<P1>::type > \
138            > \
139        >::type \
140{ \
141}; \
142template< \
143      BOOST_MPL_PP_DEFAULT_PARAMS(arity, typename P, na) \
144    > \
145struct reverse_##name \
146{ \
147    typedef typename eval_if< \
148          is_na<BOOST_PP_CAT(P, arity)> \
149        , def_reverse_##name##_impl<BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P)> \
150        , aux::reverse_##name##_impl<BOOST_MPL_PP_PARAMS(arity, P)> \
151        >::type type; \
152}; \
153BOOST_MPL_AUX_NA_SPEC(arity, name) \
154BOOST_MPL_AUX_NA_SPEC(arity, reverse_##name) \
155/**/
156
157#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
158
159#endif // BOOST_MPL_AUX_INSERTER_ALGORITHM_HPP_INCLUDED
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