1 | // Boost.Assign library |
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2 | // |
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3 | // Copyright Thorsten Ottosen 2006. Use, modification and |
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4 | // distribution is subject to the Boost Software License, Version |
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5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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6 | // http://www.boost.org/LICENSE_1_0.txt) |
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7 | // |
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8 | // For more information, see http://www.boost.org/libs/assign/ |
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9 | // |
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10 | |
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11 | #ifndef BOOST_ASSIGN_PTR_CONTAINER_PTR_MAP_INSERTER_HPP |
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12 | #define BOOST_ASSIGN_PTR_CONTAINER_PTR_MAP_INSERTER_HPP |
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13 | |
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14 | #if defined(_MSC_VER) && (_MSC_VER >= 1020) |
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15 | # pragma once |
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16 | #endif |
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17 | |
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18 | #include <boost/assign/list_inserter.hpp> |
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19 | #include <boost/type_traits/remove_reference.hpp> |
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20 | #include <boost/type_traits/remove_pointer.hpp> |
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21 | |
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22 | namespace boost |
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23 | { |
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24 | |
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25 | namespace assign |
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26 | { |
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27 | template< class PtrMap, class Obj > |
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28 | class ptr_map_inserter |
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29 | { |
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30 | typedef BOOST_DEDUCED_TYPENAME |
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31 | remove_pointer< BOOST_DEDUCED_TYPENAME |
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32 | remove_reference<Obj>::type >::type |
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33 | obj_type; |
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34 | typedef BOOST_DEDUCED_TYPENAME PtrMap::key_type |
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35 | key_type; |
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36 | |
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37 | public: |
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38 | |
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39 | ptr_map_inserter( PtrMap& m ) : m_( m ) |
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40 | {} |
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41 | |
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42 | template< class Key > |
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43 | ptr_map_inserter& operator()( const Key& t ) |
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44 | { |
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45 | key_type k(t); |
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46 | m_.insert( k, new obj_type ); |
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47 | return *this; |
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48 | } |
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49 | |
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50 | #ifndef BOOST_ASSIGN_MAX_PARAMS // use user's value |
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51 | #define BOOST_ASSIGN_MAX_PARAMS 6 |
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52 | #endif |
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53 | #define BOOST_ASSIGN_MAX_PARAMETERS (BOOST_ASSIGN_MAX_PARAMS - 1) |
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54 | #define BOOST_ASSIGN_PARAMS1(n) BOOST_PP_ENUM_PARAMS(n, class T) |
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55 | #define BOOST_ASSIGN_PARAMS2(n) BOOST_PP_ENUM_BINARY_PARAMS(n, T, const& t) |
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56 | #define BOOST_ASSIGN_PARAMS3(n) BOOST_PP_ENUM_PARAMS(n, t) |
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57 | |
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58 | #define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS) |
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59 | #define BOOST_PP_LOCAL_MACRO(n) \ |
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60 | template< class T, BOOST_ASSIGN_PARAMS1(n) > \ |
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61 | ptr_map_inserter& operator()( const T& t, BOOST_ASSIGN_PARAMS2(n) ) \ |
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62 | { \ |
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63 | key_type k(t); \ |
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64 | m_.insert( k, new obj_type( BOOST_ASSIGN_PARAMS3(n) ) ); \ |
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65 | return *this; \ |
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66 | } \ |
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67 | /**/ |
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68 | |
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69 | #include BOOST_PP_LOCAL_ITERATE() |
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70 | |
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71 | private: |
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72 | |
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73 | ptr_map_inserter& operator=( const ptr_map_inserter& ); |
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74 | PtrMap& m_; |
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75 | }; |
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76 | |
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77 | template< class PtrMap > |
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78 | inline ptr_map_inserter< PtrMap, typename PtrMap::mapped_reference > |
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79 | ptr_map_insert( PtrMap& m ) |
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80 | { |
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81 | return ptr_map_inserter< PtrMap, typename PtrMap::mapped_reference >( m ); |
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82 | } |
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83 | |
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84 | #ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING |
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85 | |
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86 | template< class T, class PtrMap > |
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87 | inline ptr_map_inserter< PtrMap, T > |
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88 | ptr_map_insert( PtrMap& m ) |
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89 | { |
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90 | return ptr_map_inserter< PtrMap, T >( m ); |
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91 | } |
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92 | |
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93 | #endif |
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94 | |
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95 | } // namespace 'assign' |
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96 | } // namespace 'boost' |
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97 | |
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98 | #undef BOOST_ASSIGN_PARAMS1 |
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99 | #undef BOOST_ASSIGN_PARAMS2 |
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100 | #undef BOOST_ASSIGN_PARAMS3 |
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101 | #undef BOOST_ASSIGN_MAX_PARAMETERS |
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102 | |
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103 | #endif |
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