test: epoc32/include/stdapis/boost/ptr_container/ptr_map

     1 //

     2 // Boost.Pointer Container

     3 //

     4 //  Copyright Thorsten Ottosen 2003-2005. Use, modification and

     5 //  distribution is subject to the Boost Software License, Version

     6 //  1.0. (See accompanying file LICENSE_1_0.txt or copy at

     7 //  http://www.boost.org/LICENSE_1_0.txt)

     8 //

     9 // For more information, see http://www.boost.org/libs/ptr_container/

    10 //

    12 #ifndef BOOST_PTR_CONTAINER_DETAIL_PTR_MAP_ADAPTER_HPP

    13 #define BOOST_PTR_CONTAINER_DETAIL_PTR_MAP_ADAPTER_HPP

    15 #if defined(_MSC_VER) && (_MSC_VER >= 1200)

    16 # pragma once

    17 #endif

    19 #include <boost/ptr_container/detail/map_iterator.hpp>

    20 #include <boost/ptr_container/detail/associative_ptr_container.hpp>

    21 #include <boost/static_assert.hpp>

    22 #include <boost/range/iterator_range.hpp>

    24 namespace boost

    25 {

    26 namespace ptr_container_detail

    27 {

    29     template

    30     <

    31         class T,

    32         class VoidPtrMap

    33     >

    34     struct map_config

    35     {

    36         typedef BOOST_DEDUCED_TYPENAME remove_nullable<T>::type

    37                      U;

    38         typedef VoidPtrMap

    39                      void_container_type;

    41         typedef BOOST_DEDUCED_TYPENAME VoidPtrMap::allocator_type

    42                      allocator_type;

    44         typedef BOOST_DEDUCED_TYPENAME VoidPtrMap::key_compare

    45                      key_compare;

    47         typedef BOOST_DEDUCED_TYPENAME VoidPtrMap::value_compare

    48                      value_compare;

    50         typedef BOOST_DEDUCED_TYPENAME VoidPtrMap::key_type

    51                      key_type;

    53         typedef U    value_type;

    55         typedef ptr_map_iterator< BOOST_DEDUCED_TYPENAME VoidPtrMap::iterator, key_type, U* const >

    56                      iterator;

    58         typedef ptr_map_iterator< BOOST_DEDUCED_TYPENAME VoidPtrMap::const_iterator, key_type, const U* const>

    59                      const_iterator;

    61         template< class Iter >

    62         static U* get_pointer( Iter i )

    63         {

    64             return i->second;

    65         }

    67         template< class Iter >

    68         static const U* get_const_pointer( Iter i )

    69         {

    70             return i->second;

    71         }

    73         BOOST_STATIC_CONSTANT( bool, allow_null = boost::is_nullable<T>::value );

    74     };

    78     template

    79     <

    80         class T,

    81         class VoidPtrMap,

    82         class CloneAllocator

    83     >

    84     class ptr_map_adapter_base :

    85         public ptr_container_detail::associative_ptr_container< map_config<T,VoidPtrMap>,

    86                                                     CloneAllocator >

    87     {

    88         typedef ptr_container_detail::associative_ptr_container< map_config<T,VoidPtrMap>,

    89                                                      CloneAllocator >

    90             base_type;

    92         typedef map_config<T,VoidPtrMap>                           config;

    94         typedef ptr_map_adapter_base<T,VoidPtrMap,CloneAllocator>  this_type;

    96     public:

    98         typedef BOOST_DEDUCED_TYPENAME base_type::allocator_type

    99                     allocator_type;

   100         typedef BOOST_DEDUCED_TYPENAME base_type::iterator

   101                     iterator;

   102         typedef BOOST_DEDUCED_TYPENAME base_type::const_iterator

   103                     const_iterator;

   104         typedef BOOST_DEDUCED_TYPENAME base_type::size_type

   105                     size_type;

   106         typedef BOOST_DEDUCED_TYPENAME base_type::key_type

   107                     key_type;

   108         typedef BOOST_DEDUCED_TYPENAME base_type::auto_type

   109                     auto_type;

   110         typedef BOOST_DEDUCED_TYPENAME base_type::value_type

   111                     mapped_type;

   112         typedef BOOST_DEDUCED_TYPENAME base_type::reference

   113                     mapped_reference;

   114         typedef BOOST_DEDUCED_TYPENAME base_type::const_reference

   115                     const_mapped_reference;

   116         typedef BOOST_DEDUCED_TYPENAME iterator_value<iterator>::type

   117                     value_type;

   118         typedef value_type

   119                     reference;

   120         typedef BOOST_DEDUCED_TYPENAME iterator_value<const_iterator>::type

   121                     const_reference;

   122         typedef value_type

   123                     pointer;

   124         typedef const_reference

   125                     const_pointer;

   127     private:

   128         const_mapped_reference lookup( const key_type& key ) const

   129         {

   130            const_iterator i = this->find( key );

   131            if( i != this->end() )

   132                return *i->second;

   133            else

   134                BOOST_PTR_CONTAINER_THROW_EXCEPTION( true, bad_ptr_container_operation,

   135                                                     "'ptr_map/multimap::at()' could"

   136                                                     " not find key" );

   137         }

   139         struct eraser // scope guard

   140         {

   141             bool            released_;

   142             VoidPtrMap*     m_;

   143             const key_type& key_;

   145             eraser( VoidPtrMap* m, const key_type& key )

   146               : released_(false), m_(m), key_(key)

   147             {}

   149             ~eraser()

   150             {

   151                 if( !released_ )

   152                     m_->erase(key_);

   153             }

   155             void release() { released_ = true; }

   156         };

   158         mapped_reference insert_lookup( const key_type& key )

   159         {

   160             void*& ref = this->c_private()[key];

   161             if( ref )

   162             {

   163                 return *static_cast<mapped_type>(ref);

   164             }

   165             else

   166             {

   167                 eraser e(&this->c_private(),key); // nothrow

   168                 mapped_type res = new T();        // strong

   169                 ref = res;                        // nothrow

   170                 e.release();                      // nothrow

   171                 return *res;

   172             }

   173           }

   175     public:

   177         ptr_map_adapter_base( const allocator_type& a = allocator_type() )

   178         : base_type(a)

   179         { }

   181         template< class InputIterator >

   182         ptr_map_adapter_base( InputIterator first, InputIterator last,

   183                               const allocator_type& a = allocator_type() )

   184         : base_type( first, last, a )

   185         { }

   187         template< class Compare, class Allocator >

   188         explicit ptr_map_adapter_base( const Compare& comp,

   189                                        const Allocator& a )

   190         : base_type( comp, a )

   191         { }

   193         template< class PtrContainer >

   194         ptr_map_adapter_base( std::auto_ptr<PtrContainer> clone )

   195         : base_type( clone )

   196         { }

   198         template< typename PtrContainer >

   199         void operator=( std::auto_ptr<PtrContainer> clone )

   200         {

   201             base_type::operator=( clone );

   202         }

   204         iterator find( const key_type& x )

   205         {

   206             return iterator( this->c_private().find( x ) );

   207         }

   209         const_iterator find( const key_type& x ) const

   210         {

   211             return const_iterator( this->c_private().find( x ) );

   212         }

   214         size_type count( const key_type& x ) const

   215         {

   216             return this->c_private().count( x );

   217         }

   219         iterator lower_bound( const key_type& x )

   220         {

   221             return iterator( this->c_private().lower_bound( x ) );

   222         }

   224         const_iterator lower_bound( const key_type& x ) const

   225         {

   226             return const_iterator( this->c_private().lower_bound( x ) );

   227         }

   229         iterator upper_bound( const key_type& x )

   230         {

   231             return iterator( this->c_private().upper_bound( x ) );

   232         }

   234         const_iterator upper_bound( const key_type& x ) const

   235         {

   236             return const_iterator( this->c_private().upper_bound( x ) );

   237         }

   239         iterator_range<iterator> equal_range( const key_type& x )

   240         {

   241             std::pair<BOOST_DEDUCED_TYPENAME base_type::ptr_iterator,

   242                       BOOST_DEDUCED_TYPENAME base_type::ptr_iterator>

   243                  p = this->c_private().equal_range( x );

   244             return make_iterator_range( iterator( p.first ), iterator( p.second ) );

   245         }

   247         iterator_range<const_iterator> equal_range( const key_type& x ) const

   248         {

   249             std::pair<BOOST_DEDUCED_TYPENAME base_type::ptr_const_iterator,

   250                       BOOST_DEDUCED_TYPENAME base_type::ptr_const_iterator>

   251                 p = this->c_private().equal_range( x );

   252             return make_iterator_range( const_iterator( p.first ),

   253                                         const_iterator( p.second ) );

   254         }

   256         mapped_reference at( const key_type& key )

   257         {

   258             return const_cast<mapped_reference>( lookup( key ) );

   259         }

   261         const_mapped_reference at( const key_type& key ) const

   262         {

   263             return lookup( key );

   264         }

   266         mapped_reference operator[]( const key_type& key )

   267         {

   268             return insert_lookup( key );

   269         }

   271         auto_type replace( iterator where, mapped_type x ) // strong

   272         {

   273             BOOST_ASSERT( where != this->end() );

   275             this->enforce_null_policy( x, "Null pointer in 'replace()'" );

   277             auto_type ptr( x );

   279             BOOST_PTR_CONTAINER_THROW_EXCEPTION( this->empty(),

   280                                                  bad_ptr_container_operation,

   281                                                  "'replace()' on empty container" );

   283             auto_type old( where->second );       // nothrow

   284             where.base()->second = ptr.release(); // nothrow, commit

   285             return move( old );

   286         }

   288         template< class U >

   289         auto_type replace( iterator where, std::auto_ptr<U> x )

   290         {

   291             return replace( where, x.release() );

   292         }

   294     public: // serialization

   296         template< class Archive >

   297         void save( Archive& ar, const unsigned ) const

   298         {

   299             ar & ptr_container_detail::serialize_as_const( this->size() );

   301             const_iterator i = this->begin(), e = this->end();

   302             for( ; i != e; ++i )

   303             {

   304                 ar & i->first;

   305                 ar & ptr_container_detail::serialize_as_const( i->second );

   306             }

   307         }

   308     };

   310 } // ptr_container_detail

   312     /////////////////////////////////////////////////////////////////////////

   313     // ptr_map_adapter

   314     /////////////////////////////////////////////////////////////////////////

   316     template

   317     <

   318         class T,

   319         class VoidPtrMap,

   320         class CloneAllocator = heap_clone_allocator

   321     >

   322     class ptr_map_adapter :

   323         public ptr_container_detail::ptr_map_adapter_base<T,VoidPtrMap,CloneAllocator>

   324     {

   325         typedef ptr_container_detail::ptr_map_adapter_base<T,VoidPtrMap,CloneAllocator>

   326             base_type;

   328     public:

   329         typedef BOOST_DEDUCED_TYPENAME base_type::iterator

   330                      iterator;

   331         typedef BOOST_DEDUCED_TYPENAME base_type::const_iterator

   332                      const_iterator;

   333         typedef BOOST_DEDUCED_TYPENAME base_type::size_type

   334                     size_type;

   335         typedef BOOST_DEDUCED_TYPENAME base_type::key_type

   336                     key_type;

   337         typedef BOOST_DEDUCED_TYPENAME base_type::const_reference

   338                     const_reference;

   339         typedef BOOST_DEDUCED_TYPENAME base_type::auto_type

   340                     auto_type;

   341         typedef BOOST_DEDUCED_TYPENAME VoidPtrMap::key_compare

   342                     key_compare;

   343         typedef BOOST_DEDUCED_TYPENAME VoidPtrMap::allocator_type

   344                     allocator_type;

   345         typedef BOOST_DEDUCED_TYPENAME base_type::mapped_type

   346                     mapped_type;

   347     private:

   349         void safe_insert( const key_type& key, auto_type ptr ) // strong

   350         {

   351             std::pair<BOOST_DEDUCED_TYPENAME base_type::ptr_iterator,bool>

   352                 res =

   353                 this->c_private().insert( std::make_pair( key, ptr.get() ) ); // strong, commit

   354             if( res.second )                                                  // nothrow

   355                 ptr.release();                                                // nothrow

   356         }

   358         template< class II >

   359         void map_basic_clone_and_insert( II first, II last )

   360         {

   361             while( first != last )

   362             {

   363                 if( this->find( first->first ) == this->end() )

   364                 {

   365                     const_reference p = *first.base();     // nothrow

   366                     auto_type ptr( this->null_policy_allocate_clone( p.second ) );

   367                                                               // strong

   368                     this->safe_insert( p.first, ptr_container_detail::

   369                                                 move( ptr ) );// strong, commit

   370                 }

   371                 ++first;

   372             }

   373         }

   375     public:

   377         explicit ptr_map_adapter( const key_compare& comp = key_compare(),

   378                                   const allocator_type& a = allocator_type()  )

   379           : base_type( comp, a ) { }

   381         template< class InputIterator >

   382         ptr_map_adapter( InputIterator first, InputIterator last,

   383                          const key_compare& comp = key_compare(),

   384                          const allocator_type& a = allocator_type() )

   385           : base_type( comp, a )

   386         {

   387             map_basic_clone_and_insert( first, last );

   388         }

   390         template< class U >

   391         ptr_map_adapter( std::auto_ptr<U> r ) : base_type( r )

   392         { }

   394         template< class U >

   395         void operator=( std::auto_ptr<U> r )

   396         {

   397             base_type::operator=( r );

   398         }

   400         using base_type::release;

   402         template< typename InputIterator >

   403         void insert( InputIterator first, InputIterator last ) // basic

   404         {

   405             map_basic_clone_and_insert( first, last );

   406         }

   408         template< class Range >

   409         void insert( const Range& r )

   410         {

   411             insert( boost::begin(r), boost::end(r) );

   412         }

   414     private:

   415         std::pair<iterator,bool> insert_impl( const key_type& key, mapped_type x ) // strong

   416         {

   417             this->enforce_null_policy( x, "Null pointer in ptr_map_adapter::insert()" );

   418             auto_type ptr( x );                                              // nothrow

   420             std::pair<BOOST_DEDUCED_TYPENAME base_type::ptr_iterator,bool>

   421                  res = this->c_private().insert( std::make_pair( key, x ) ); // strong, commit

   422             if( res.second )                                             // nothrow

   423                 ptr.release();                                           // nothrow

   424             return std::make_pair( iterator( res.first ), res.second );  // nothrow

   425         }

   427     public:

   429         std::pair<iterator,bool> insert( key_type& key, mapped_type x )

   430         {

   431             return insert_impl( key, x );

   432         }

   434         template< class U >

   435         std::pair<iterator,bool> insert( const key_type& key, std::auto_ptr<U> x )

   436         {

   437             return insert_impl( key, x.release() );

   438         }

   440         template< class PtrMapAdapter >

   441         bool transfer( BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator object,

   442                        PtrMapAdapter& from ) // strong

   443         {

   444             return this->single_transfer( object, from );

   445         }

   447         template< class PtrMapAdapter >

   448         size_type transfer( BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator first,

   449                             BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator last,

   450                             PtrMapAdapter& from ) // basic

   451         {

   452             return this->single_transfer( first, last, from );

   453         }

   455 #if defined(BOOST_NO_SFINAE) || BOOST_WORKAROUND(__SUNPRO_CC, <= 0x580)

   456 #else

   458         template< class PtrMapAdapter, class Range >

   459         BOOST_DEDUCED_TYPENAME boost::disable_if< boost::is_same< Range,

   460                             BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator >,

   461                                                             size_type >::type

   462         transfer( const Range& r, PtrMapAdapter& from ) // basic

   463         {

   464             return transfer( boost::begin(r), boost::end(r), from );

   465         }

   467 #endif

   469         template< class PtrMapAdapter >

   470         size_type transfer( PtrMapAdapter& from ) // basic

   471         {

   472             return transfer( from.begin(), from.end(), from );

   473         }

   475     public: // serialization

   477         template< class Archive >

   478         void load( Archive& ar, const unsigned ) // strong

   479         {

   480             this->clear();

   481             size_type n;

   482             ar & n;

   484             for( size_type i = 0u; i != n; ++i )

   485             {

   486                 key_type  key;

   487                 T*        value;

   488                 ar & key;

   489                 ar & value;

   490                 std::pair<iterator,bool> p = this->insert( key, value );

   491                 ar.reset_object_address( &p.first->first, &key );

   492             }

   493         }

   495         BOOST_SERIALIZATION_SPLIT_MEMBER()

   497   };

   499   /////////////////////////////////////////////////////////////////////////

   500   // ptr_multimap_adapter

   501   /////////////////////////////////////////////////////////////////////////

   503     template

   504     <

   505         class T,

   506         class VoidPtrMultiMap,

   507         class CloneAllocator = heap_clone_allocator

   508     >

   509     class ptr_multimap_adapter :

   510         public ptr_container_detail::ptr_map_adapter_base<T,VoidPtrMultiMap,CloneAllocator>

   511     {

   512         typedef ptr_container_detail::ptr_map_adapter_base<T,VoidPtrMultiMap,CloneAllocator>

   513              base_type;

   515     public: // typedefs

   516         typedef BOOST_DEDUCED_TYPENAME base_type::iterator

   517                        iterator;

   518         typedef BOOST_DEDUCED_TYPENAME base_type::const_iterator

   519                        const_iterator;

   520         typedef BOOST_DEDUCED_TYPENAME base_type::size_type

   521                        size_type;

   522         typedef BOOST_DEDUCED_TYPENAME base_type::key_type

   523                        key_type;

   524         typedef BOOST_DEDUCED_TYPENAME base_type::const_reference

   525                        const_reference;

   526         typedef BOOST_DEDUCED_TYPENAME base_type::mapped_type

   527                     mapped_type;

   528         typedef BOOST_DEDUCED_TYPENAME base_type::auto_type

   529                     auto_type;

   530         typedef BOOST_DEDUCED_TYPENAME VoidPtrMultiMap::key_compare

   531                     key_compare;

   532         typedef BOOST_DEDUCED_TYPENAME VoidPtrMultiMap::allocator_type

   533                     allocator_type;

   534     private:

   536         void safe_insert( const key_type& key, auto_type ptr ) // strong

   537         {

   538             this->c_private().insert(

   539                            std::make_pair( key, ptr.get() ) ); // strong, commit

   540             ptr.release();                                     // nothrow

   541         }

   543         template< typename II >

   544         void map_basic_clone_and_insert( II first, II last )

   545         {

   546             while( first != last )

   547             {

   548                 const_reference pair = *first.base();     // nothrow

   549                 auto_type ptr( this->null_policy_allocate_clone( pair.second ) );

   550                                                           // strong

   551                 safe_insert( pair.first, ptr_container_detail::

   552                                          move( ptr ) );   // strong, commit

   553                 ++first;

   554             }

   555         }

   557     public:

   559         explicit ptr_multimap_adapter( const key_compare& comp = key_compare(),

   560                                        const allocator_type& a = allocator_type() )

   561           : base_type( comp, a ) { }

   563         template< class InputIterator >

   564         ptr_multimap_adapter( InputIterator first, InputIterator last,

   565                               const key_compare& comp = key_compare(),

   566                               const allocator_type& a = allocator_type() )

   567           : base_type( comp, a )

   568         {

   569             map_basic_clone_and_insert( first, last );

   570         }

   572         template< class U >

   573         ptr_multimap_adapter( std::auto_ptr<U> r ) : base_type( r )

   574         { }

   576         template< class U >

   577         void operator=( std::auto_ptr<U> r )

   578         {

   579             base_type::operator=( r );

   580         }

   582         using base_type::release;

   584         template< typename InputIterator >

   585         void insert( InputIterator first, InputIterator last ) // basic

   586         {

   587             map_basic_clone_and_insert( first, last );

   588         }

   590         template< class Range >

   591         void insert( const Range& r )

   592         {

   593             insert( boost::begin(r), boost::end(r) );

   594         }

   596         iterator insert( key_type& key, mapped_type x ) // strong

   597         {

   598             this->enforce_null_policy( x,

   599                   "Null pointer in 'ptr_multimap_adapter::insert()'" );

   601             auto_type ptr( x );         // nothrow

   602             BOOST_DEDUCED_TYPENAME base_type::ptr_iterator

   603                 res = this->c_private().insert( std::make_pair( key, x ) );

   604                                         // strong, commit

   605             ptr.release();              // notrow

   606             return iterator( res );

   607         }

   609         template< class U >

   610         iterator insert( key_type& key, std::auto_ptr<U> x )

   611         {

   612             return insert( key, x.release() );

   613         }

   615         template< class PtrMapAdapter >

   616         void transfer( BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator object,

   617                        PtrMapAdapter& from ) // strong

   618         {

   619             this->multi_transfer( object, from );

   620         }

   622         template< class PtrMapAdapter >

   623         size_type transfer( BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator first,

   624                             BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator last,

   625                             PtrMapAdapter& from ) // basic

   626         {

   627             return this->multi_transfer( first, last, from );

   628         }

   630 #if defined(BOOST_NO_SFINAE) || BOOST_WORKAROUND(__SUNPRO_CC, <= 0x580)

   631 #else

   633         template<  class PtrMapAdapter, class Range >

   634         BOOST_DEDUCED_TYPENAME boost::disable_if< boost::is_same< Range,

   635                             BOOST_DEDUCED_TYPENAME PtrMapAdapter::iterator >,

   636                                                             size_type >::type

   637         transfer( const Range& r, PtrMapAdapter& from ) // basic

   638         {

   639             return transfer( boost::begin(r), boost::end(r), from );

   640         }

   642 #endif

   643         template< class PtrMapAdapter >

   644         void transfer( PtrMapAdapter& from ) // basic

   645         {

   646             transfer( from.begin(), from.end(), from );

   647             BOOST_ASSERT( from.empty() );

   648         }

   650     public: // serialization

   652         template< class Archive >

   653         void load( Archive& ar, const unsigned ) // basic

   654         {

   655             this->clear();

   656             size_type n;

   657             ar & n;

   659             for( size_type i = 0u; i != n; ++i )

   660             {

   661                 key_type  key;

   662                 T*        value;

   663                 ar & key;

   664                 ar & value;

   665                 iterator p = this->insert( key, value );

   666                 ar.reset_object_address( &p->first, &key );

   667             }

   668         }

   670         BOOST_SERIALIZATION_SPLIT_MEMBER()

   672     };

   674     template< class I, class F, class S >

   675     inline bool is_null( const ptr_map_iterator<I,F,S>& i )

   676     {

   677         return i->second == 0;

   678     }

   680 } // namespace 'boost'

   682 #endif

author	William Roberts <williamr@symbian.org>
	Wed, 31 Mar 2010 12:33:34 +0100
branch	Symbian3
changeset 4	837f303aceeb
permissions	-rw-r--r--