coco
461 lines
12 KiB
C++
461 lines
12 KiB
C++
// Copyright (C) 2003 Davis E. King (davis@dlib.net)
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// License: Boost Software License See LICENSE.txt for the full license.
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#ifndef DLIB_HASH_MAP_KERNEl_1_
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#define DLIB_HASH_MAP_KERNEl_1_
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#include "hash_map_kernel_abstract.h"
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#include "../algs.h"
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#include "../general_hash/general_hash.h"
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#include "../interfaces/enumerable.h"
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#include "../interfaces/map_pair.h"
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#include "../interfaces/remover.h"
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#include "../assert.h"
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#include "../serialize.h"
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namespace dlib
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{
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager = default_memory_manager
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>
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class hash_map_kernel_1 : public enumerable<map_pair<domain,range> >,
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public pair_remover<domain,range>
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{
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/*!
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REQUIREMENTS ON hash_table
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hash_table is instantiated with domain and range and
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T_is_POD must be set to false and
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implements hash_table/hash_table_kernel_abstract.h
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INITIAL VALUE
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table.size() == 0
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CONVENTION
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table.size() = size() == the number of elements in the map
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the elements in this hash_map are stored in table
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!*/
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public:
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typedef domain domain_type;
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typedef range range_type;
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typedef typename hash_table::compare_type compare_type;
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typedef mem_manager mem_manager_type;
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hash_map_kernel_1(
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) :
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table(expnum)
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{
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COMPILE_TIME_ASSERT(expnum < 32);
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}
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virtual ~hash_map_kernel_1(
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)
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{}
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inline void clear(
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);
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void add (
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domain& d,
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range& r
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);
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inline bool is_in_domain (
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const domain& d
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) const;
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void remove (
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const domain& d,
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domain& d_copy,
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range& r
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);
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void destroy (
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const domain& d
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);
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range& operator[] (
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const domain& d
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);
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const range& operator[] (
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const domain& d
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) const;
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inline void swap (
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hash_map_kernel_1& item
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);
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// functions from the remover interface
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inline void remove_any (
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domain& d,
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range& r
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);
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// functions from the enumerable interface
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inline size_t size (
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) const;
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inline bool at_start (
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) const;
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inline void reset (
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) const;
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inline bool current_element_valid (
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) const;
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inline const map_pair<domain,range>& element (
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) const;
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inline map_pair<domain,range>& element (
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);
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inline bool move_next (
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) const;
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private:
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hash_table table;
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// restricted functions
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hash_map_kernel_1(hash_map_kernel_1&);
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hash_map_kernel_1& operator= ( hash_map_kernel_1&);
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};
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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inline void swap (
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hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>& a,
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hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>& b
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) { a.swap(b); }
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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void deserialize (
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hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>& item,
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std::istream& in
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)
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{
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try
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{
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item.clear();
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unsigned long size;
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deserialize(size,in);
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domain d;
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range r;
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for (unsigned long i = 0; i < size; ++i)
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{
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deserialize(d,in);
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deserialize(r,in);
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item.add(d,r);
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}
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}
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catch (serialization_error& e)
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{
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item.clear();
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throw serialization_error(e.info + "\n while deserializing object of type hash_map_kernel_1");
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}
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}
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// ----------------------------------------------------------------------------------------
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// ----------------------------------------------------------------------------------------
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// member function definitions
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// ----------------------------------------------------------------------------------------
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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void hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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clear (
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)
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{
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table.clear();
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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void hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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add (
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domain& d,
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range& r
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)
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{
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table.add(d,r);
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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bool hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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is_in_domain(
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const domain& d
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) const
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{
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return (table[d] != 0);
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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void hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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remove_any (
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domain& d,
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range& r
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)
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{
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table.remove_any(d,r);
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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void hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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remove(
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const domain& d,
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domain& d_copy,
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range& r
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)
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{
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table.remove(d,d_copy,r);
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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void hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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destroy(
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const domain& d
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)
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{
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table.destroy(d);
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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range& hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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operator[](
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const domain& d
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)
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{
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return *table[d];
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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const range& hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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operator[](
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const domain& d
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) const
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{
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return *table[d];
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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size_t hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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size (
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) const
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{
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return table.size();
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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void hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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swap (
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hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>& item
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)
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{
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table.swap(item.table);
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}
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// ----------------------------------------------------------------------------------------
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// ----------------------------------------------------------------------------------------
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// enumerable function definitions
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// ----------------------------------------------------------------------------------------
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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bool hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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at_start (
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) const
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{
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return table.at_start();
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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void hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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reset (
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) const
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{
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table.reset();
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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bool hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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current_element_valid (
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) const
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{
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return table.current_element_valid();
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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const map_pair<domain,range>& hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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element (
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) const
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{
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return table.element();
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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map_pair<domain,range>& hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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element (
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)
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{
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return table.element();
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}
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// ----------------------------------------------------------------------------------------
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template <
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typename domain,
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typename range,
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unsigned long expnum,
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typename hash_table,
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typename mem_manager
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>
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bool hash_map_kernel_1<domain,range,expnum,hash_table,mem_manager>::
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move_next (
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) const
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{
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return table.move_next();
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}
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// ----------------------------------------------------------------------------------------
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}
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#endif // DLIB_HASH_MAP_KERNEl_1_
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