1260 lines
41 KiB
C++
1260 lines
41 KiB
C++
/*=========================================================================
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Program: KWSys - Kitware System Library
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Module: $RCSfile$
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Copyright (c) Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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/*
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* Copyright (c) 1996
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* Silicon Graphics Computer Systems, Inc.
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Silicon Graphics makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Hewlett-Packard Company makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*/
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#ifndef @KWSYS_NAMESPACE@_hashtable_hxx
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#define @KWSYS_NAMESPACE@_hashtable_hxx
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#include <@KWSYS_NAMESPACE@/Configure.hxx>
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#include <@KWSYS_NAMESPACE@/cstddef> // size_t
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#include <@KWSYS_NAMESPACE@/stl/algorithm> // lower_bound
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#include <@KWSYS_NAMESPACE@/stl/functional> // unary_function
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#include <@KWSYS_NAMESPACE@/stl/iterator> // iterator_traits
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#include <@KWSYS_NAMESPACE@/stl/memory> // allocator
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#include <@KWSYS_NAMESPACE@/stl/utility> // pair
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#include <@KWSYS_NAMESPACE@/stl/vector> // vector
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#if defined(_MSC_VER)
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# pragma warning (push)
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# pragma warning (disable:4284)
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# pragma warning (disable:4786)
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# pragma warning (disable:4512) /* no assignment operator for class */
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#endif
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#if @KWSYS_NAMESPACE@_STL_HAS_ALLOCATOR_TEMPLATE
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# define @KWSYS_NAMESPACE@_HASH_DEFAULT_ALLOCATOR(T) @KWSYS_NAMESPACE@_stl::allocator< T >
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#elif @KWSYS_NAMESPACE@_STL_HAS_ALLOCATOR_NONTEMPLATE
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# define @KWSYS_NAMESPACE@_HASH_DEFAULT_ALLOCATOR(T) @KWSYS_NAMESPACE@_stl::allocator
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#else
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# define @KWSYS_NAMESPACE@_HASH_DEFAULT_ALLOCATOR(T) @KWSYS_NAMESPACE@_stl::alloc
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#endif
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#if @KWSYS_NAMESPACE@_STL_HAS_ALLOCATOR_OBJECTS
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# define @KWSYS_NAMESPACE@_HASH_BUCKETS_INIT(__a) _M_buckets(__a)
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# define @KWSYS_NAMESPACE@_HASH_BUCKETS_GET_ALLOCATOR(__b) , __b.get_allocator()
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#else
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# define @KWSYS_NAMESPACE@_HASH_BUCKETS_INIT(__a) _M_buckets()
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# define @KWSYS_NAMESPACE@_HASH_BUCKETS_GET_ALLOCATOR(__b)
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#endif
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namespace @KWSYS_NAMESPACE@
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{
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//----------------------------------------------------------------------------
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// Define an allocator adaptor for platforms that do not provide an
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// allocator with the rebind member.
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#if !@KWSYS_NAMESPACE@_STL_HAS_ALLOCATOR_REBIND
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// Utility functions to convert item counts.
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inline size_t hash_sizeof(void*) { return sizeof(char); }
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inline size_t hash_sizeof(const void*) { return sizeof(char); }
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template <class TPtr> inline size_t hash_sizeof(TPtr p) { return sizeof(*p); }
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template <class POut, class PIn, class TSize>
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inline TSize hash_allocator_n(POut out, PIn in, TSize n)
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{
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return n*(hash_sizeof(out)/hash_sizeof(in) +
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(hash_sizeof(out)%hash_sizeof(in)>0));
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}
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// Define an allocation method to use the native allocator with
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// the proper signature. The following signatures of the allocate
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// method are used on various STL implementations:
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// pointer allocate(size_type, const void* hint)
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// pointer allocate(size_type)
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// static pointer allocate(size_type, const void* hint)
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// static pointer allocate(size_type)
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// Where pointer might be a real type or void*.
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// This set of overloads decodes the signature for a particular STL.
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// The extra three int/long arguments will favor certain signatures
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// over others in the case that multiple are present to avoid
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// ambiguity errors.
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template <class TAlloc, class PIn, class TSize, class THint, class POut>
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inline void hash_allocate(TAlloc* a, PIn (TAlloc::*allocate)(TSize, THint),
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TSize n_out, const void* hint, POut& out,
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int, int, int)
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{
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TSize n_in = hash_allocator_n(POut(), PIn(), n_out);
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void* vout = (a->*allocate)(n_in, const_cast<THint>(hint));
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out = static_cast<POut>(vout);
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}
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template <class TAlloc, class PIn, class TSize, class POut>
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inline void hash_allocate(TAlloc* a, PIn (TAlloc::*allocate)(TSize),
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TSize n_out, const void*, POut& out,
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int, int, long)
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{
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TSize n_in = hash_allocator_n(POut(), PIn(), n_out);
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void* vout = (a->*allocate)(n_in);
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out = static_cast<POut>(vout);
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}
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template <class PIn, class TSize, class THint, class POut>
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inline void hash_allocate(void*, PIn (*allocate)(TSize, THint),
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TSize n_out, const void* hint, POut& out,
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int, long, long)
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{
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TSize n_in = hash_allocator_n(POut(), PIn(), n_out);
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void* vout = allocate(n_in, const_cast<THint>(hint));
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out = static_cast<POut>(vout);
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}
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template <class PIn, class TSize, class POut>
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inline void hash_allocate(void*, PIn (*allocate)(TSize),
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TSize n_out, const void*, POut& out,
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long, long, long)
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{
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TSize n_in = hash_allocator_n(POut(), PIn(), n_out);
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void* vout = allocate(n_in);
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out = static_cast<POut>(vout);
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}
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// Define a deallocation method to use the native allocator with
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// the proper signature. The following signatures of the deallocate
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// method are used on various STL implementations:
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// void deallocate(pointer, size_type)
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// void deallocate(pointer)
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// static void deallocate(pointer, size_type)
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// static void deallocate(pointer)
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// Where pointer might be a real type or void*.
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// This set of overloads decodes the signature for a particular STL.
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// The extra three int/long arguments will favor certain signatures
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// over others in the case that multiple are present to avoid
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// ambiguity errors.
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template <class TAlloc, class PIn, class TSize, class PInReal, class POut>
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inline void hash_deallocate(TAlloc* a, void (TAlloc::*deallocate)(PIn, TSize),
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PInReal, POut p, TSize n_out, int, int, int)
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{
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TSize n_in = hash_allocator_n(POut(), PInReal(), n_out);
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void* vout = p;
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(a->*deallocate)(static_cast<PIn>(vout), n_in);
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}
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template <class TAlloc, class PIn, class TSize, class PInReal, class POut>
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inline void hash_deallocate(TAlloc* a, void (TAlloc::*deallocate)(PIn),
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PInReal, POut p, TSize, int, int, long)
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{
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void* vout = p;
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(a->*deallocate)(static_cast<PIn>(vout));
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}
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template <class PIn, class TSize, class PInReal, class POut>
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inline void hash_deallocate(void*, void (*deallocate)(PIn, TSize),
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PInReal, POut p, TSize n_out, int, long, long)
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{
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TSize n_in = hash_allocator_n(POut(), PInReal(), n_out);
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void* vout = p;
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deallocate(static_cast<PIn>(vout), n_in);
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}
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template <class PIn, class TSize, class PInReal, class POut>
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inline void hash_deallocate(void*, void (*deallocate)(PIn),
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PInReal, POut p, TSize, long, long, long)
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{
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void* vout = p;
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deallocate(static_cast<PIn>(vout));
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}
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// Use the same four overloads as hash_allocate to decode the type
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// really used for allocation. This is passed as PInReal to the
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// deallocate functions so that hash_allocator_n has the proper size.
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template <class TAlloc, class PIn, class TSize, class THint>
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inline PIn hash_allocate_type(PIn (TAlloc::*)(TSize, THint),
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int, int, int) { return 0; }
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template <class TAlloc, class PIn, class TSize>
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inline PIn hash_allocate_type(PIn (TAlloc::*)(TSize),
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int, int, long) { return 0; }
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template <class PIn, class TSize, class THint>
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inline PIn hash_allocate_type(PIn (*)(TSize, THint),
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int, long, long) { return 0; }
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template <class PIn, class TSize>
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inline PIn hash_allocate_type(PIn (*)(TSize),
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long, long, long) { return 0; }
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// Define the comparison operators in terms of a base type to avoid
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// needing templated versions.
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class hash_allocator_base {};
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bool operator==(const hash_allocator_base&,
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const hash_allocator_base&) throw() { return true; }
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bool operator!=(const hash_allocator_base&,
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const hash_allocator_base&) throw() { return false; }
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// Define the allocator template.
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template <class T, class Alloc>
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class hash_allocator: public hash_allocator_base
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{
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private:
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// Store the real allocator privately.
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typedef Alloc alloc_type;
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alloc_type alloc_;
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public:
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// Standard allocator interface.
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typedef size_t size_type;
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typedef ptrdiff_t difference_type;
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typedef T* pointer;
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typedef const T* const_pointer;
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typedef T& reference;
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typedef const T& const_reference;
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typedef T value_type;
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hash_allocator() throw(): alloc_() {}
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hash_allocator(const hash_allocator_base&) throw() : alloc_() {}
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hash_allocator(const hash_allocator& a) throw() : alloc_(a.alloc_) {}
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hash_allocator(const alloc_type& a) throw() : alloc_(a) {}
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~hash_allocator() throw() {}
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# if @KWSYS_NAMESPACE@_CXX_HAS_MEMBER_TEMPLATES
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template <class U>
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struct rebind { typedef hash_allocator<U, alloc_type> other; };
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# endif
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pointer address(reference x) const { return &x; }
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const_pointer address(const_reference x) const { return &x; }
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typedef void* void_pointer;
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typedef const void* const_void_pointer;
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pointer allocate(size_type n=1, const_void_pointer hint = 0)
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{
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if(n)
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{
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pointer p;
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hash_allocate(&alloc_, &alloc_type::allocate, n, hint, p, 1, 1, 1);
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return p;
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}
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else
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{
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return 0;
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}
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}
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void deallocate(pointer p, size_type n=1)
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{
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if(n)
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{
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hash_deallocate(&alloc_, &alloc_type::deallocate,
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hash_allocate_type(&alloc_type::allocate, 1, 1, 1),
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p, n, 1, 1, 1);
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}
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}
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#if @KWSYS_NAMESPACE@_STL_HAS_ALLOCATOR_MAX_SIZE_ARGUMENT
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size_type max_size(size_type s) const throw()
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{
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return alloc_.max_size(s);
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}
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#else
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size_type max_size() const throw()
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{
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size_type n = alloc_.max_size() / sizeof(value_type);
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return n>0? n:1;
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}
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#endif
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void construct(pointer p, const value_type& val) { new (p) value_type(val); }
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void destroy(pointer p) { (void)p; p->~value_type(); }
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};
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#endif
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template <class _Val>
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struct _Hashtable_node
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{
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_Hashtable_node* _M_next;
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_Val _M_val;
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};
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template <class _Val, class _Key, class _HashFcn,
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class _ExtractKey, class _EqualKey,
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class _Alloc = @KWSYS_NAMESPACE@_HASH_DEFAULT_ALLOCATOR(char) >
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class hashtable;
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template <class _Val, class _Key, class _HashFcn,
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class _ExtractKey, class _EqualKey, class _Alloc>
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struct _Hashtable_iterator;
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template <class _Val, class _Key, class _HashFcn,
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class _ExtractKey, class _EqualKey, class _Alloc>
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struct _Hashtable_const_iterator;
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template <class _Val, class _Key, class _HashFcn,
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class _ExtractKey, class _EqualKey, class _Alloc>
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struct _Hashtable_iterator {
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typedef hashtable<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,_Alloc>
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_Hashtable;
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typedef _Hashtable_iterator<_Val, _Key, _HashFcn,
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_ExtractKey, _EqualKey, _Alloc>
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iterator;
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typedef _Hashtable_const_iterator<_Val, _Key, _HashFcn,
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_ExtractKey, _EqualKey, _Alloc>
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const_iterator;
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typedef _Hashtable_node<_Val> _Node;
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typedef @KWSYS_NAMESPACE@_stl::forward_iterator_tag iterator_category;
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typedef _Val value_type;
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typedef ptrdiff_t difference_type;
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typedef size_t size_type;
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typedef _Val& reference;
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typedef _Val* pointer;
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_Node* _M_cur;
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_Hashtable* _M_ht;
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_Hashtable_iterator(_Node* __n, _Hashtable* __tab)
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: _M_cur(__n), _M_ht(__tab) {}
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_Hashtable_iterator() {}
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reference operator*() const { return _M_cur->_M_val; }
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pointer operator->() const { return &(operator*()); }
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iterator& operator++();
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iterator operator++(int);
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bool operator==(const iterator& __it) const
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{ return _M_cur == __it._M_cur; }
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bool operator!=(const iterator& __it) const
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{ return _M_cur != __it._M_cur; }
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};
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template <class _Val, class _Key, class _HashFcn,
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class _ExtractKey, class _EqualKey, class _Alloc>
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struct _Hashtable_const_iterator {
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typedef hashtable<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,_Alloc>
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_Hashtable;
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typedef _Hashtable_iterator<_Val,_Key,_HashFcn,
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_ExtractKey,_EqualKey,_Alloc>
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iterator;
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typedef _Hashtable_const_iterator<_Val, _Key, _HashFcn,
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_ExtractKey, _EqualKey, _Alloc>
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const_iterator;
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typedef _Hashtable_node<_Val> _Node;
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typedef @KWSYS_NAMESPACE@_stl::forward_iterator_tag iterator_category;
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typedef _Val value_type;
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typedef ptrdiff_t difference_type;
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typedef size_t size_type;
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typedef const _Val& reference;
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typedef const _Val* pointer;
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const _Node* _M_cur;
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const _Hashtable* _M_ht;
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_Hashtable_const_iterator(const _Node* __n, const _Hashtable* __tab)
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: _M_cur(__n), _M_ht(__tab) {}
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_Hashtable_const_iterator() {}
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_Hashtable_const_iterator(const iterator& __it)
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: _M_cur(__it._M_cur), _M_ht(__it._M_ht) {}
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reference operator*() const { return _M_cur->_M_val; }
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pointer operator->() const { return &(operator*()); }
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const_iterator& operator++();
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const_iterator operator++(int);
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bool operator==(const const_iterator& __it) const
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{ return _M_cur == __it._M_cur; }
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bool operator!=(const const_iterator& __it) const
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{ return _M_cur != __it._M_cur; }
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};
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// Note: assumes long is at least 32 bits.
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enum { _stl_num_primes = 31 };
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static const unsigned long _stl_prime_list[_stl_num_primes] =
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{
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5ul, 11ul, 23ul,
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53ul, 97ul, 193ul, 389ul, 769ul,
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1543ul, 3079ul, 6151ul, 12289ul, 24593ul,
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49157ul, 98317ul, 196613ul, 393241ul, 786433ul,
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1572869ul, 3145739ul, 6291469ul, 12582917ul, 25165843ul,
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50331653ul, 100663319ul, 201326611ul, 402653189ul, 805306457ul,
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1610612741ul, 3221225473ul, 4294967291ul
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};
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inline size_t _stl_next_prime(size_t __n)
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{
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const unsigned long* __first = _stl_prime_list;
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const unsigned long* __last = _stl_prime_list + (int)_stl_num_primes;
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const unsigned long* pos = @KWSYS_NAMESPACE@_stl::lower_bound(__first, __last, __n);
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return pos == __last ? *(__last - 1) : *pos;
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}
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// Forward declaration of operator==.
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template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
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class hashtable;
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template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
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bool operator==(const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht1,
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const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht2);
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// Hashtables handle allocators a bit differently than other containers
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// do. If we're using standard-conforming allocators, then a hashtable
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// unconditionally has a member variable to hold its allocator, even if
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// it so happens that all instances of the allocator type are identical.
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// This is because, for hashtables, this extra storage is negligible.
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// Additionally, a base class wouldn't serve any other purposes; it
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// wouldn't, for example, simplify the exception-handling code.
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template <class _Val, class _Key, class _HashFcn,
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class _ExtractKey, class _EqualKey, class _Alloc>
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class hashtable {
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public:
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typedef _Key key_type;
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typedef _Val value_type;
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typedef _HashFcn hasher;
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typedef _EqualKey key_equal;
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typedef size_t size_type;
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typedef ptrdiff_t difference_type;
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typedef value_type* pointer;
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typedef const value_type* const_pointer;
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typedef value_type& reference;
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typedef const value_type& const_reference;
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|
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hasher hash_funct() const { return _M_hash; }
|
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key_equal key_eq() const { return _M_equals; }
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private:
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typedef _Hashtable_node<_Val> _Node;
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|
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#if @KWSYS_NAMESPACE@_STL_HAS_ALLOCATOR_REBIND
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public:
|
|
typedef typename _Alloc::template rebind<_Val>::other allocator_type;
|
|
allocator_type get_allocator() const { return _M_node_allocator; }
|
|
private:
|
|
typedef typename _Alloc::template rebind<_Node>::other _M_node_allocator_type;
|
|
typedef typename _Alloc::template rebind<_Node*>::other _M_node_ptr_allocator_type;
|
|
typedef @KWSYS_NAMESPACE@_stl::vector<_Node*,_M_node_ptr_allocator_type> _M_buckets_type;
|
|
#else
|
|
public:
|
|
typedef hash_allocator<_Val, _Alloc> allocator_type;
|
|
allocator_type get_allocator() const { return allocator_type(); }
|
|
private:
|
|
typedef hash_allocator<_Node, _Alloc> _M_node_allocator_type;
|
|
# if @KWSYS_NAMESPACE@_STL_HAS_ALLOCATOR_OBJECTS
|
|
typedef hash_allocator<_Node*, _Alloc> _M_node_ptr_allocator_type;
|
|
# else
|
|
typedef _Alloc _M_node_ptr_allocator_type;
|
|
# endif
|
|
typedef @KWSYS_NAMESPACE@_stl::vector<_Node*,_M_node_ptr_allocator_type> _M_buckets_type;
|
|
#endif
|
|
|
|
private:
|
|
_M_node_allocator_type _M_node_allocator;
|
|
hasher _M_hash;
|
|
key_equal _M_equals;
|
|
_ExtractKey _M_get_key;
|
|
_M_buckets_type _M_buckets;
|
|
size_type _M_num_elements;
|
|
|
|
_Node* _M_get_node() { return _M_node_allocator.allocate(1); }
|
|
void _M_put_node(_Node* __p) { _M_node_allocator.deallocate(__p, 1); }
|
|
|
|
public:
|
|
typedef _Hashtable_iterator<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,_Alloc>
|
|
iterator;
|
|
typedef _Hashtable_const_iterator<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,
|
|
_Alloc>
|
|
const_iterator;
|
|
|
|
friend struct
|
|
_Hashtable_iterator<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,_Alloc>;
|
|
friend struct
|
|
_Hashtable_const_iterator<_Val,_Key,_HashFcn,_ExtractKey,_EqualKey,_Alloc>;
|
|
|
|
public:
|
|
hashtable(size_type __n,
|
|
const _HashFcn& __hf,
|
|
const _EqualKey& __eql,
|
|
const _ExtractKey& __ext,
|
|
const allocator_type& __a = allocator_type())
|
|
: _M_node_allocator(__a),
|
|
_M_hash(__hf),
|
|
_M_equals(__eql),
|
|
_M_get_key(__ext),
|
|
@KWSYS_NAMESPACE@_HASH_BUCKETS_INIT(__a),
|
|
_M_num_elements(0)
|
|
{
|
|
_M_initialize_buckets(__n);
|
|
}
|
|
|
|
hashtable(size_type __n,
|
|
const _HashFcn& __hf,
|
|
const _EqualKey& __eql,
|
|
const allocator_type& __a = allocator_type())
|
|
: _M_node_allocator(__a),
|
|
_M_hash(__hf),
|
|
_M_equals(__eql),
|
|
_M_get_key(_ExtractKey()),
|
|
@KWSYS_NAMESPACE@_HASH_BUCKETS_INIT(__a),
|
|
_M_num_elements(0)
|
|
{
|
|
_M_initialize_buckets(__n);
|
|
}
|
|
|
|
hashtable(const hashtable& __ht)
|
|
: _M_node_allocator(__ht.get_allocator()),
|
|
_M_hash(__ht._M_hash),
|
|
_M_equals(__ht._M_equals),
|
|
_M_get_key(__ht._M_get_key),
|
|
@KWSYS_NAMESPACE@_HASH_BUCKETS_INIT(__ht.get_allocator()),
|
|
_M_num_elements(0)
|
|
{
|
|
_M_copy_from(__ht);
|
|
}
|
|
|
|
hashtable& operator= (const hashtable& __ht)
|
|
{
|
|
if (&__ht != this) {
|
|
clear();
|
|
_M_hash = __ht._M_hash;
|
|
_M_equals = __ht._M_equals;
|
|
_M_get_key = __ht._M_get_key;
|
|
_M_copy_from(__ht);
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
~hashtable() { clear(); }
|
|
|
|
size_type size() const { return _M_num_elements; }
|
|
size_type max_size() const { return size_type(-1); }
|
|
bool empty() const { return size() == 0; }
|
|
|
|
void swap(hashtable& __ht)
|
|
{
|
|
@KWSYS_NAMESPACE@_stl::swap(_M_hash, __ht._M_hash);
|
|
@KWSYS_NAMESPACE@_stl::swap(_M_equals, __ht._M_equals);
|
|
@KWSYS_NAMESPACE@_stl::swap(_M_get_key, __ht._M_get_key);
|
|
_M_buckets.swap(__ht._M_buckets);
|
|
@KWSYS_NAMESPACE@_stl::swap(_M_num_elements, __ht._M_num_elements);
|
|
}
|
|
|
|
iterator begin()
|
|
{
|
|
for (size_type __n = 0; __n < _M_buckets.size(); ++__n)
|
|
if (_M_buckets[__n])
|
|
return iterator(_M_buckets[__n], this);
|
|
return end();
|
|
}
|
|
|
|
iterator end() { return iterator(0, this); }
|
|
|
|
const_iterator begin() const
|
|
{
|
|
for (size_type __n = 0; __n < _M_buckets.size(); ++__n)
|
|
if (_M_buckets[__n])
|
|
return const_iterator(_M_buckets[__n], this);
|
|
return end();
|
|
}
|
|
|
|
const_iterator end() const { return const_iterator(0, this); }
|
|
|
|
friend bool operator==@KWSYS_NAMESPACE@_CXX_NULL_TEMPLATE_ARGS(const hashtable&,
|
|
const hashtable&);
|
|
|
|
public:
|
|
|
|
size_type bucket_count() const { return _M_buckets.size(); }
|
|
|
|
size_type max_bucket_count() const
|
|
{ return _stl_prime_list[(int)_stl_num_primes - 1]; }
|
|
|
|
size_type elems_in_bucket(size_type __bucket) const
|
|
{
|
|
size_type __result = 0;
|
|
for (_Node* __cur = _M_buckets[__bucket]; __cur; __cur = __cur->_M_next)
|
|
__result += 1;
|
|
return __result;
|
|
}
|
|
|
|
@KWSYS_NAMESPACE@_stl::pair<iterator, bool> insert_unique(const value_type& __obj)
|
|
{
|
|
resize(_M_num_elements + 1);
|
|
return insert_unique_noresize(__obj);
|
|
}
|
|
|
|
iterator insert_equal(const value_type& __obj)
|
|
{
|
|
resize(_M_num_elements + 1);
|
|
return insert_equal_noresize(__obj);
|
|
}
|
|
|
|
@KWSYS_NAMESPACE@_stl::pair<iterator, bool> insert_unique_noresize(const value_type& __obj);
|
|
iterator insert_equal_noresize(const value_type& __obj);
|
|
|
|
#if @KWSYS_NAMESPACE@_STL_HAS_ITERATOR_TRAITS
|
|
# define @KWSYS_NAMESPACE@_HASH_ITERATOR_CATEGORY(T,I) \
|
|
typename @KWSYS_NAMESPACE@_stl::iterator_traits< T >::iterator_category()
|
|
#elif @KWSYS_NAMESPACE@_STL_HAS_ITERATOR_CATEGORY
|
|
# define @KWSYS_NAMESPACE@_HASH_ITERATOR_CATEGORY(T,I) \
|
|
@KWSYS_NAMESPACE@_stl::iterator_category( I )
|
|
#elif @KWSYS_NAMESPACE@_STL_HAS___ITERATOR_CATEGORY
|
|
# define @KWSYS_NAMESPACE@_HASH_ITERATOR_CATEGORY(T,I) \
|
|
@KWSYS_NAMESPACE@_stl::__iterator_category( I )
|
|
#endif
|
|
|
|
#if @KWSYS_NAMESPACE@_CXX_HAS_MEMBER_TEMPLATES && defined(@KWSYS_NAMESPACE@_HASH_ITERATOR_CATEGORY)
|
|
template <class _InputIterator>
|
|
void insert_unique(_InputIterator __f, _InputIterator __l)
|
|
{
|
|
insert_unique(__f, __l,
|
|
@KWSYS_NAMESPACE@_HASH_ITERATOR_CATEGORY(_InputIterator, __f));
|
|
}
|
|
|
|
template <class _InputIterator>
|
|
void insert_equal(_InputIterator __f, _InputIterator __l)
|
|
{
|
|
insert_equal(__f, __l,
|
|
@KWSYS_NAMESPACE@_HASH_ITERATOR_CATEGORY(_InputIterator, __f));
|
|
}
|
|
|
|
template <class _InputIterator>
|
|
void insert_unique(_InputIterator __f, _InputIterator __l,
|
|
@KWSYS_NAMESPACE@_stl::input_iterator_tag)
|
|
{
|
|
for ( ; __f != __l; ++__f)
|
|
insert_unique(*__f);
|
|
}
|
|
|
|
template <class _InputIterator>
|
|
void insert_equal(_InputIterator __f, _InputIterator __l,
|
|
@KWSYS_NAMESPACE@_stl::input_iterator_tag)
|
|
{
|
|
for ( ; __f != __l; ++__f)
|
|
insert_equal(*__f);
|
|
}
|
|
|
|
template <class _ForwardIterator>
|
|
void insert_unique(_ForwardIterator __f, _ForwardIterator __l,
|
|
@KWSYS_NAMESPACE@_stl::forward_iterator_tag)
|
|
{
|
|
size_type __n = 0;
|
|
@KWSYS_NAMESPACE@_stl::distance(__f, __l, __n);
|
|
resize(_M_num_elements + __n);
|
|
for ( ; __n > 0; --__n, ++__f)
|
|
insert_unique_noresize(*__f);
|
|
}
|
|
|
|
template <class _ForwardIterator>
|
|
void insert_equal(_ForwardIterator __f, _ForwardIterator __l,
|
|
@KWSYS_NAMESPACE@_stl::forward_iterator_tag)
|
|
{
|
|
size_type __n = 0;
|
|
@KWSYS_NAMESPACE@_stl::distance(__f, __l, __n);
|
|
resize(_M_num_elements + __n);
|
|
for ( ; __n > 0; --__n, ++__f)
|
|
insert_equal_noresize(*__f);
|
|
}
|
|
|
|
#else
|
|
void insert_unique(const value_type* __f, const value_type* __l)
|
|
{
|
|
size_type __n = __l - __f;
|
|
resize(_M_num_elements + __n);
|
|
for ( ; __n > 0; --__n, ++__f)
|
|
insert_unique_noresize(*__f);
|
|
}
|
|
|
|
void insert_equal(const value_type* __f, const value_type* __l)
|
|
{
|
|
size_type __n = __l - __f;
|
|
resize(_M_num_elements + __n);
|
|
for ( ; __n > 0; --__n, ++__f)
|
|
insert_equal_noresize(*__f);
|
|
}
|
|
|
|
void insert_unique(const_iterator __f, const_iterator __l)
|
|
{
|
|
size_type __n = 0;
|
|
@KWSYS_NAMESPACE@_stl::distance(__f, __l, __n);
|
|
resize(_M_num_elements + __n);
|
|
for ( ; __n > 0; --__n, ++__f)
|
|
insert_unique_noresize(*__f);
|
|
}
|
|
|
|
void insert_equal(const_iterator __f, const_iterator __l)
|
|
{
|
|
size_type __n = 0;
|
|
@KWSYS_NAMESPACE@_stl::distance(__f, __l, __n);
|
|
resize(_M_num_elements + __n);
|
|
for ( ; __n > 0; --__n, ++__f)
|
|
insert_equal_noresize(*__f);
|
|
}
|
|
#endif
|
|
|
|
reference find_or_insert(const value_type& __obj);
|
|
|
|
iterator find(const key_type& __key)
|
|
{
|
|
size_type __n = _M_bkt_num_key(__key);
|
|
_Node* __first;
|
|
for ( __first = _M_buckets[__n];
|
|
__first && !_M_equals(_M_get_key(__first->_M_val), __key);
|
|
__first = __first->_M_next)
|
|
{}
|
|
return iterator(__first, this);
|
|
}
|
|
|
|
const_iterator find(const key_type& __key) const
|
|
{
|
|
size_type __n = _M_bkt_num_key(__key);
|
|
const _Node* __first;
|
|
for ( __first = _M_buckets[__n];
|
|
__first && !_M_equals(_M_get_key(__first->_M_val), __key);
|
|
__first = __first->_M_next)
|
|
{}
|
|
return const_iterator(__first, this);
|
|
}
|
|
|
|
size_type count(const key_type& __key) const
|
|
{
|
|
const size_type __n = _M_bkt_num_key(__key);
|
|
size_type __result = 0;
|
|
|
|
for (const _Node* __cur = _M_buckets[__n]; __cur; __cur = __cur->_M_next)
|
|
if (_M_equals(_M_get_key(__cur->_M_val), __key))
|
|
++__result;
|
|
return __result;
|
|
}
|
|
|
|
@KWSYS_NAMESPACE@_stl::pair<iterator, iterator>
|
|
equal_range(const key_type& __key);
|
|
|
|
@KWSYS_NAMESPACE@_stl::pair<const_iterator, const_iterator>
|
|
equal_range(const key_type& __key) const;
|
|
|
|
size_type erase(const key_type& __key);
|
|
void erase(const iterator& __it);
|
|
void erase(iterator __first, iterator __last);
|
|
|
|
void erase(const const_iterator& __it);
|
|
void erase(const_iterator __first, const_iterator __last);
|
|
|
|
void resize(size_type __num_elements_hint);
|
|
void clear();
|
|
|
|
private:
|
|
size_type _M_next_size(size_type __n) const
|
|
{ return _stl_next_prime(__n); }
|
|
|
|
void _M_initialize_buckets(size_type __n)
|
|
{
|
|
const size_type __n_buckets = _M_next_size(__n);
|
|
_M_buckets.reserve(__n_buckets);
|
|
_M_buckets.insert(_M_buckets.end(), __n_buckets, (_Node*) 0);
|
|
_M_num_elements = 0;
|
|
}
|
|
|
|
size_type _M_bkt_num_key(const key_type& __key) const
|
|
{
|
|
return _M_bkt_num_key(__key, _M_buckets.size());
|
|
}
|
|
|
|
size_type _M_bkt_num(const value_type& __obj) const
|
|
{
|
|
return _M_bkt_num_key(_M_get_key(__obj));
|
|
}
|
|
|
|
size_type _M_bkt_num_key(const key_type& __key, size_t __n) const
|
|
{
|
|
return _M_hash(__key) % __n;
|
|
}
|
|
|
|
size_type _M_bkt_num(const value_type& __obj, size_t __n) const
|
|
{
|
|
return _M_bkt_num_key(_M_get_key(__obj), __n);
|
|
}
|
|
|
|
void construct(_Val* p, const _Val& v)
|
|
{
|
|
new (p) _Val(v);
|
|
}
|
|
void destroy(_Val* p)
|
|
{
|
|
(void)p;
|
|
p->~_Val();
|
|
}
|
|
|
|
_Node* _M_new_node(const value_type& __obj)
|
|
{
|
|
_Node* __n = _M_get_node();
|
|
__n->_M_next = 0;
|
|
try {
|
|
construct(&__n->_M_val, __obj);
|
|
return __n;
|
|
}
|
|
catch(...) {_M_put_node(__n); throw;}
|
|
}
|
|
|
|
void _M_delete_node(_Node* __n)
|
|
{
|
|
destroy(&__n->_M_val);
|
|
_M_put_node(__n);
|
|
}
|
|
|
|
void _M_erase_bucket(const size_type __n, _Node* __first, _Node* __last);
|
|
void _M_erase_bucket(const size_type __n, _Node* __last);
|
|
|
|
void _M_copy_from(const hashtable& __ht);
|
|
|
|
};
|
|
|
|
template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
|
|
class _All>
|
|
_Hashtable_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>&
|
|
_Hashtable_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>::operator++()
|
|
{
|
|
const _Node* __old = _M_cur;
|
|
_M_cur = _M_cur->_M_next;
|
|
if (!_M_cur) {
|
|
size_type __bucket = _M_ht->_M_bkt_num(__old->_M_val);
|
|
while (!_M_cur && ++__bucket < _M_ht->_M_buckets.size())
|
|
_M_cur = _M_ht->_M_buckets[__bucket];
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
|
|
class _All>
|
|
inline _Hashtable_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>
|
|
_Hashtable_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>::operator++(int)
|
|
{
|
|
iterator __tmp = *this;
|
|
++*this;
|
|
return __tmp;
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
|
|
class _All>
|
|
_Hashtable_const_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>&
|
|
_Hashtable_const_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>::operator++()
|
|
{
|
|
const _Node* __old = _M_cur;
|
|
_M_cur = _M_cur->_M_next;
|
|
if (!_M_cur) {
|
|
size_type __bucket = _M_ht->_M_bkt_num(__old->_M_val);
|
|
while (!_M_cur && ++__bucket < _M_ht->_M_buckets.size())
|
|
_M_cur = _M_ht->_M_buckets[__bucket];
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _ExK, class _EqK,
|
|
class _All>
|
|
inline _Hashtable_const_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>
|
|
_Hashtable_const_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>::operator++(int)
|
|
{
|
|
const_iterator __tmp = *this;
|
|
++*this;
|
|
return __tmp;
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
bool operator==(const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht1,
|
|
const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht2)
|
|
{
|
|
typedef typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::_Node _Node;
|
|
if (__ht1._M_buckets.size() != __ht2._M_buckets.size())
|
|
return false;
|
|
for (int __n = 0; __n < __ht1._M_buckets.size(); ++__n) {
|
|
_Node* __cur1 = __ht1._M_buckets[__n];
|
|
_Node* __cur2 = __ht2._M_buckets[__n];
|
|
for ( ; __cur1 && __cur2 && __cur1->_M_val == __cur2->_M_val;
|
|
__cur1 = __cur1->_M_next, __cur2 = __cur2->_M_next)
|
|
{}
|
|
if (__cur1 || __cur2)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
inline bool operator!=(const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht1,
|
|
const hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>& __ht2) {
|
|
return !(__ht1 == __ht2);
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Extract, class _EqKey,
|
|
class _All>
|
|
inline void swap(hashtable<_Val, _Key, _HF, _Extract, _EqKey, _All>& __ht1,
|
|
hashtable<_Val, _Key, _HF, _Extract, _EqKey, _All>& __ht2) {
|
|
__ht1.swap(__ht2);
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
@KWSYS_NAMESPACE@_stl::pair<@KWSYS_NAMESPACE@_CXX_DECL_TYPENAME hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::iterator, bool>
|
|
hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
|
|
::insert_unique_noresize(const value_type& __obj)
|
|
{
|
|
const size_type __n = _M_bkt_num(__obj);
|
|
_Node* __first = _M_buckets[__n];
|
|
|
|
for (_Node* __cur = __first; __cur; __cur = __cur->_M_next)
|
|
if (_M_equals(_M_get_key(__cur->_M_val), _M_get_key(__obj)))
|
|
return @KWSYS_NAMESPACE@_stl::pair<iterator, bool>(iterator(__cur, this), false);
|
|
|
|
_Node* __tmp = _M_new_node(__obj);
|
|
__tmp->_M_next = __first;
|
|
_M_buckets[__n] = __tmp;
|
|
++_M_num_elements;
|
|
return @KWSYS_NAMESPACE@_stl::pair<iterator, bool>(iterator(__tmp, this), true);
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::iterator
|
|
hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
|
|
::insert_equal_noresize(const value_type& __obj)
|
|
{
|
|
const size_type __n = _M_bkt_num(__obj);
|
|
_Node* __first = _M_buckets[__n];
|
|
|
|
for (_Node* __cur = __first; __cur; __cur = __cur->_M_next)
|
|
if (_M_equals(_M_get_key(__cur->_M_val), _M_get_key(__obj))) {
|
|
_Node* __tmp = _M_new_node(__obj);
|
|
__tmp->_M_next = __cur->_M_next;
|
|
__cur->_M_next = __tmp;
|
|
++_M_num_elements;
|
|
return iterator(__tmp, this);
|
|
}
|
|
|
|
_Node* __tmp = _M_new_node(__obj);
|
|
__tmp->_M_next = __first;
|
|
_M_buckets[__n] = __tmp;
|
|
++_M_num_elements;
|
|
return iterator(__tmp, this);
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::reference
|
|
hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::find_or_insert(const value_type& __obj)
|
|
{
|
|
resize(_M_num_elements + 1);
|
|
|
|
size_type __n = _M_bkt_num(__obj);
|
|
_Node* __first = _M_buckets[__n];
|
|
|
|
for (_Node* __cur = __first; __cur; __cur = __cur->_M_next)
|
|
if (_M_equals(_M_get_key(__cur->_M_val), _M_get_key(__obj)))
|
|
return __cur->_M_val;
|
|
|
|
_Node* __tmp = _M_new_node(__obj);
|
|
__tmp->_M_next = __first;
|
|
_M_buckets[__n] = __tmp;
|
|
++_M_num_elements;
|
|
return __tmp->_M_val;
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
@KWSYS_NAMESPACE@_stl::pair<@KWSYS_NAMESPACE@_CXX_DECL_TYPENAME hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::iterator,
|
|
@KWSYS_NAMESPACE@_CXX_DECL_TYPENAME hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::iterator>
|
|
hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::equal_range(const key_type& __key)
|
|
{
|
|
typedef @KWSYS_NAMESPACE@_stl::pair<iterator, iterator> _Pii;
|
|
const size_type __n = _M_bkt_num_key(__key);
|
|
|
|
for (_Node* __first = _M_buckets[__n]; __first; __first = __first->_M_next)
|
|
if (_M_equals(_M_get_key(__first->_M_val), __key)) {
|
|
for (_Node* __cur = __first->_M_next; __cur; __cur = __cur->_M_next)
|
|
if (!_M_equals(_M_get_key(__cur->_M_val), __key))
|
|
return _Pii(iterator(__first, this), iterator(__cur, this));
|
|
for (size_type __m = __n + 1; __m < _M_buckets.size(); ++__m)
|
|
if (_M_buckets[__m])
|
|
return _Pii(iterator(__first, this),
|
|
iterator(_M_buckets[__m], this));
|
|
return _Pii(iterator(__first, this), end());
|
|
}
|
|
return _Pii(end(), end());
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
@KWSYS_NAMESPACE@_stl::pair<@KWSYS_NAMESPACE@_CXX_DECL_TYPENAME hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::const_iterator,
|
|
@KWSYS_NAMESPACE@_CXX_DECL_TYPENAME hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::const_iterator>
|
|
hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
|
|
::equal_range(const key_type& __key) const
|
|
{
|
|
typedef @KWSYS_NAMESPACE@_stl::pair<const_iterator, const_iterator> _Pii;
|
|
const size_type __n = _M_bkt_num_key(__key);
|
|
|
|
for (const _Node* __first = _M_buckets[__n] ;
|
|
__first;
|
|
__first = __first->_M_next) {
|
|
if (_M_equals(_M_get_key(__first->_M_val), __key)) {
|
|
for (const _Node* __cur = __first->_M_next;
|
|
__cur;
|
|
__cur = __cur->_M_next)
|
|
if (!_M_equals(_M_get_key(__cur->_M_val), __key))
|
|
return _Pii(const_iterator(__first, this),
|
|
const_iterator(__cur, this));
|
|
for (size_type __m = __n + 1; __m < _M_buckets.size(); ++__m)
|
|
if (_M_buckets[__m])
|
|
return _Pii(const_iterator(__first, this),
|
|
const_iterator(_M_buckets[__m], this));
|
|
return _Pii(const_iterator(__first, this), end());
|
|
}
|
|
}
|
|
return _Pii(end(), end());
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
typename hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::size_type
|
|
hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::erase(const key_type& __key)
|
|
{
|
|
const size_type __n = _M_bkt_num_key(__key);
|
|
_Node* __first = _M_buckets[__n];
|
|
size_type __erased = 0;
|
|
|
|
if (__first) {
|
|
_Node* __cur = __first;
|
|
_Node* __next = __cur->_M_next;
|
|
while (__next) {
|
|
if (_M_equals(_M_get_key(__next->_M_val), __key)) {
|
|
__cur->_M_next = __next->_M_next;
|
|
_M_delete_node(__next);
|
|
__next = __cur->_M_next;
|
|
++__erased;
|
|
--_M_num_elements;
|
|
}
|
|
else {
|
|
__cur = __next;
|
|
__next = __cur->_M_next;
|
|
}
|
|
}
|
|
if (_M_equals(_M_get_key(__first->_M_val), __key)) {
|
|
_M_buckets[__n] = __first->_M_next;
|
|
_M_delete_node(__first);
|
|
++__erased;
|
|
--_M_num_elements;
|
|
}
|
|
}
|
|
return __erased;
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::erase(const iterator& __it)
|
|
{
|
|
_Node* __p = __it._M_cur;
|
|
if (__p) {
|
|
const size_type __n = _M_bkt_num(__p->_M_val);
|
|
_Node* __cur = _M_buckets[__n];
|
|
|
|
if (__cur == __p) {
|
|
_M_buckets[__n] = __cur->_M_next;
|
|
_M_delete_node(__cur);
|
|
--_M_num_elements;
|
|
}
|
|
else {
|
|
_Node* __next = __cur->_M_next;
|
|
while (__next) {
|
|
if (__next == __p) {
|
|
__cur->_M_next = __next->_M_next;
|
|
_M_delete_node(__next);
|
|
--_M_num_elements;
|
|
break;
|
|
}
|
|
else {
|
|
__cur = __next;
|
|
__next = __cur->_M_next;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
|
|
::erase(iterator __first, iterator __last)
|
|
{
|
|
size_type __f_bucket = __first._M_cur ?
|
|
_M_bkt_num(__first._M_cur->_M_val) : _M_buckets.size();
|
|
size_type __l_bucket = __last._M_cur ?
|
|
_M_bkt_num(__last._M_cur->_M_val) : _M_buckets.size();
|
|
|
|
if (__first._M_cur == __last._M_cur)
|
|
return;
|
|
else if (__f_bucket == __l_bucket)
|
|
_M_erase_bucket(__f_bucket, __first._M_cur, __last._M_cur);
|
|
else {
|
|
_M_erase_bucket(__f_bucket, __first._M_cur, 0);
|
|
for (size_type __n = __f_bucket + 1; __n < __l_bucket; ++__n)
|
|
_M_erase_bucket(__n, 0);
|
|
if (__l_bucket != _M_buckets.size())
|
|
_M_erase_bucket(__l_bucket, __last._M_cur);
|
|
}
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
inline void
|
|
hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::erase(const_iterator __first,
|
|
const_iterator __last)
|
|
{
|
|
erase(iterator(const_cast<_Node*>(__first._M_cur),
|
|
const_cast<hashtable*>(__first._M_ht)),
|
|
iterator(const_cast<_Node*>(__last._M_cur),
|
|
const_cast<hashtable*>(__last._M_ht)));
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
inline void
|
|
hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::erase(const const_iterator& __it)
|
|
{
|
|
erase(iterator(const_cast<_Node*>(__it._M_cur),
|
|
const_cast<hashtable*>(__it._M_ht)));
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
|
|
::resize(size_type __num_elements_hint)
|
|
{
|
|
const size_type __old_n = _M_buckets.size();
|
|
if (__num_elements_hint > __old_n) {
|
|
const size_type __n = _M_next_size(__num_elements_hint);
|
|
if (__n > __old_n) {
|
|
_M_buckets_type __tmp(
|
|
__n, (_Node*)(0)
|
|
@KWSYS_NAMESPACE@_HASH_BUCKETS_GET_ALLOCATOR(_M_buckets));
|
|
try {
|
|
for (size_type __bucket = 0; __bucket < __old_n; ++__bucket) {
|
|
_Node* __first = _M_buckets[__bucket];
|
|
while (__first) {
|
|
size_type __new_bucket = _M_bkt_num(__first->_M_val, __n);
|
|
_M_buckets[__bucket] = __first->_M_next;
|
|
__first->_M_next = __tmp[__new_bucket];
|
|
__tmp[__new_bucket] = __first;
|
|
__first = _M_buckets[__bucket];
|
|
}
|
|
}
|
|
_M_buckets.swap(__tmp);
|
|
}
|
|
catch(...) {
|
|
for (size_type __bucket = 0; __bucket < __tmp.size(); ++__bucket) {
|
|
while (__tmp[__bucket]) {
|
|
_Node* __next = __tmp[__bucket]->_M_next;
|
|
_M_delete_node(__tmp[__bucket]);
|
|
__tmp[__bucket] = __next;
|
|
}
|
|
}
|
|
throw;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
|
|
::_M_erase_bucket(const size_type __n, _Node* __first, _Node* __last)
|
|
{
|
|
_Node* __cur = _M_buckets[__n];
|
|
if (__cur == __first)
|
|
_M_erase_bucket(__n, __last);
|
|
else {
|
|
_Node* __next;
|
|
for (__next = __cur->_M_next;
|
|
__next != __first;
|
|
__cur = __next, __next = __cur->_M_next)
|
|
;
|
|
while (__next != __last) {
|
|
__cur->_M_next = __next->_M_next;
|
|
_M_delete_node(__next);
|
|
__next = __cur->_M_next;
|
|
--_M_num_elements;
|
|
}
|
|
}
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
|
|
::_M_erase_bucket(const size_type __n, _Node* __last)
|
|
{
|
|
_Node* __cur = _M_buckets[__n];
|
|
while (__cur != __last) {
|
|
_Node* __next = __cur->_M_next;
|
|
_M_delete_node(__cur);
|
|
__cur = __next;
|
|
_M_buckets[__n] = __cur;
|
|
--_M_num_elements;
|
|
}
|
|
}
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>::clear()
|
|
{
|
|
for (size_type __i = 0; __i < _M_buckets.size(); ++__i) {
|
|
_Node* __cur = _M_buckets[__i];
|
|
while (__cur != 0) {
|
|
_Node* __next = __cur->_M_next;
|
|
_M_delete_node(__cur);
|
|
__cur = __next;
|
|
}
|
|
_M_buckets[__i] = 0;
|
|
}
|
|
_M_num_elements = 0;
|
|
}
|
|
|
|
|
|
template <class _Val, class _Key, class _HF, class _Ex, class _Eq, class _All>
|
|
void hashtable<_Val,_Key,_HF,_Ex,_Eq,_All>
|
|
::_M_copy_from(const hashtable& __ht)
|
|
{
|
|
_M_buckets.clear();
|
|
_M_buckets.reserve(__ht._M_buckets.size());
|
|
_M_buckets.insert(_M_buckets.end(), __ht._M_buckets.size(), (_Node*) 0);
|
|
try {
|
|
for (size_type __i = 0; __i < __ht._M_buckets.size(); ++__i) {
|
|
const _Node* __cur = __ht._M_buckets[__i];
|
|
if (__cur) {
|
|
_Node* __copy = _M_new_node(__cur->_M_val);
|
|
_M_buckets[__i] = __copy;
|
|
|
|
for (_Node* __next = __cur->_M_next;
|
|
__next;
|
|
__cur = __next, __next = __cur->_M_next) {
|
|
__copy->_M_next = _M_new_node(__next->_M_val);
|
|
__copy = __copy->_M_next;
|
|
}
|
|
}
|
|
}
|
|
_M_num_elements = __ht._M_num_elements;
|
|
}
|
|
catch(...) {clear(); throw;}
|
|
}
|
|
|
|
} // namespace @KWSYS_NAMESPACE@
|
|
|
|
// Normally the comparison operators should be found in the @KWSYS_NAMESPACE@
|
|
// namespace by argument dependent lookup. For compilers that do not
|
|
// support it we must bring them into the global namespace now.
|
|
#if !@KWSYS_NAMESPACE@_CXX_HAS_ARGUMENT_DEPENDENT_LOOKUP
|
|
using @KWSYS_NAMESPACE@::operator==;
|
|
using @KWSYS_NAMESPACE@::operator!=;
|
|
#endif
|
|
|
|
#if defined(_MSC_VER)
|
|
# pragma warning (pop)
|
|
#endif
|
|
|
|
#endif
|