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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itk_hashtable.h.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:46 $ |
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Version: $Revision: 1.4 $ |
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Copyright (c) Insight Software Consortium. All rights reserved. |
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See ITKCopyright.txt or http://www.itk.org/HTML/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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** Exception Handling: |
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** Copyright (c) 1997 |
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** Mark of the Unicorn, 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. Mark of the Unicorn 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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** Adaptation: |
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** Copyright (c) 1997 |
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** Moscow Center for SPARC Technology |
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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. Moscow Center for SPARC Technology 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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DEF |
#ifndef itk_emulation_hashtable_h |
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DEF |
#define itk_emulation_hashtable_h |
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LEN |
#if !defined(__GNUC__) || !((__GNUC__==3) && (__GNUC_MINOR__>=1) || (__GNUC__>3)) || defined(__INTEL_COMPILER) |
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/** \brief Hashtable class, used to implement the hashed associative containers |
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* itk_hash_set, itk_hash_map, itk_hash_multiset, and itk_hash_multimap. |
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*/ |
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#include "itkMacro.h" |
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#include <iostream> |
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#include "itk_alloc.h" |
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#include <vector> |
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#include <utility> |
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#include <memory> |
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#include "vcl_compiler.h" |
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#include <functional> |
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#include <algorithm> |
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#include <iterator> |
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namespace itk |
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{ |
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template <class Key> struct hash { }; |
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|
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inline size_t hash_string(const char* s) |
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{ |
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unsigned long h = 0; |
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SEM |
for ( ; *s; ++s) |
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IND |
****h = 5*h + *s; |
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return size_t(h); |
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} |
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template<> |
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struct hash<char*> |
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{ |
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size_t operator()(const char* s) const { return hash_string(s); } |
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}; |
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template<> |
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struct hash<const char*> |
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{ |
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size_t operator()(const char* s) const { return hash_string(s); } |
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}; |
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template<> |
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struct hash<char> { |
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size_t operator()(char x) const { return x; } |
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}; |
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template<> |
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struct hash<unsigned char> { |
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size_t operator()(unsigned char x) const { return x; } |
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}; |
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template<> |
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struct hash<signed char> { |
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size_t operator()(unsigned char x) const { return x; } |
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}; |
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template<> |
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struct hash<short> { |
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size_t operator()(short x) const { return x; } |
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}; |
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template<> |
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struct hash<unsigned short> { |
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size_t operator()(unsigned short x) const { return x; } |
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}; |
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template<> |
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struct hash<int> { |
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size_t operator()(int x) const { return x; } |
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}; |
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template<> |
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struct hash<unsigned int> { |
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size_t operator()(unsigned int x) const { return x; } |
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}; |
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|
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template<> |
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struct hash<long> { |
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size_t operator()(long x) const { return x; } |
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}; |
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template<> |
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struct hash<unsigned long> { |
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size_t operator()(unsigned long x) const { return x; } |
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}; |
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|
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template <class Value> |
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struct hashtable_node |
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{ |
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TDR |
typedef hashtable_node<Value> self; |
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self* next; |
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Value val; |
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}; |
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|
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LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey , VCL_DFL_TYPE_PARAM_STLDECL(Alloc,std::allocator<char>)> |
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class hashtable; |
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|
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LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
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struct hashtable_iterator; |
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|
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LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
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struct hashtable_const_iterator; |
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|
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LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
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struct hashtable_iterator |
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{ |
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typedef hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc> |
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TDR,IND |
**********hash_table; |
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typedef hashtable_iterator<Value, Key, HashFcn, |
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ExtractKey, EqualKey, Alloc> |
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TDR,IND |
**********iterator; |
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typedef hashtable_const_iterator<Value, Key, HashFcn, |
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ExtractKey, EqualKey, Alloc> |
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TDR,IND |
**********const_iterator; |
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TDA,TDR |
typedef hashtable_node<Value> node; |
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TDA,TDR |
typedef size_t size_type; |
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TDA,TDR |
typedef Value& reference; |
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TDA,TDR |
typedef const Value& const_reference; |
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|
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node* cur; |
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hash_table* ht; |
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hashtable_iterator(node* n, hash_table* tab) : cur(n), ht(tab) {} |
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hashtable_iterator() {} |
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reference operator*() const { |
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IND |
********return cur->val; |
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IND |
**} |
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IUEi_STL_INLINE iterator& operator++(); |
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IUEi_STL_INLINE iterator operator++(int); |
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bool operator==(const iterator& it) const { |
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IND |
******return cur == it.cur; |
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IND |
**} |
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bool operator!=(const iterator& it) const { |
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IND |
******return cur != it.cur; |
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IND |
**} |
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}; |
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|
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|
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LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
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struct hashtable_const_iterator |
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{ |
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typedef hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc> |
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TDR,IND |
**********hash_table; |
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typedef hashtable_iterator<Value, Key, HashFcn, |
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TDA,TDR |
ExtractKey, EqualKey, Alloc> iterator; |
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typedef hashtable_const_iterator<Value, Key, HashFcn, |
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TDA,TDR |
ExtractKey, EqualKey, Alloc> const_iterator; |
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TDA,TDR |
typedef hashtable_node<Value> node; |
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TDA,TDR |
typedef size_t size_type; |
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TDA,TDR |
typedef Value& reference; |
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TDA,TDR |
typedef const Value& const_reference; |
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|
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|
const node* cur; |
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const hash_table* ht; |
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|
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LEN |
hashtable_const_iterator(const node* n, const hash_table* tab) : cur(n), ht(tab) {} |
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hashtable_const_iterator() {} |
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hashtable_const_iterator(const iterator& it) : cur(it.cur), ht(it.ht) {} |
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const_reference operator*() const { |
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IND |
******return cur->val; |
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IND |
**} |
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|
IUEi_STL_INLINE const_iterator& operator++(); |
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|
IUEi_STL_INLINE const_iterator operator++(int); |
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bool operator==(const const_iterator& it) const { |
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IND |
******return cur == it.cur; |
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IND |
**} |
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bool operator!=(const const_iterator& it) const { |
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IND |
******return cur != it.cur; |
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IND |
**} |
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|
}; |
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|
// Note: assumes long is at least 32 bits. |
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// fbp: try to avoid intances in every module |
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enum { num_primes = 28 }; |
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|
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#if ( __STL_STATIC_TEMPLATE_DATA > 0 ) && ! defined (WIN32) |
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# define prime_list prime<false>::list_ |
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IND |
***template <bool dummy> |
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IND,IND |
***struct prime { |
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IND |
***public: |
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IND |
*******static const unsigned long list_[]; |
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IND |
***}; |
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IND |
******static const unsigned long prime_list_dummy[num_primes] = |
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# else |
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|
# if ( __STL_WEAK_ATTRIBUTE > 0 ) |
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IND |
******extern const unsigned long prime_list[num_primes] __attribute__((weak)) = |
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# else |
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IND |
******// give up |
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IND |
******static const unsigned long prime_list[num_primes] = |
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|
# endif /* __STL_WEAK_ATTRIBUTE */ |
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|
#endif /* __STL_STATIC_TEMPLATE_DATA */ |
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{ |
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53, 97, 193, 389, 769, |
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1543, 3079, 6151, 12289, 24593, |
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49157, 98317, 196613, 393241, 786433, |
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1572869, 3145739, 6291469, 12582917, 25165843, |
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50331653, 100663319, 201326611, 402653189, 805306457, |
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1610612741, 3221225473U, 4294967291U |
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|
}; |
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|
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|
inline unsigned long next_prime(unsigned long n) |
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|
{ |
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|
const unsigned long* first = prime_list; |
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const unsigned long* last = prime_list; |
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last += num_primes; |
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const unsigned long* pos = std::lower_bound(first, last, n); |
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return pos == last ? *(last - 1) : *pos; |
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} |
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|
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|
template <class Value, class Alloc> |
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class hashtable_base |
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{ |
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private: |
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TDR,IND |
****typedef Value value_type; |
| 287 |
TDA,TDR,IND |
****typedef size_t size_type; |
| 288 |
TDA,TDR,IND |
****typedef hashtable_node<Value> node; |
| 289 |
TDA,TDR,IND |
****typedef itk_simple_alloc<node, Alloc> node_allocator; |
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|
public: // These are public to get around restriction on protected access |
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TDR,SEM,IND |
****typedef std::vector<VCL_SUNPRO_ALLOCATOR_HACK(node*) > buckets_type ; |
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IND |
****buckets_type buckets; // awf killed optional allocator |
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IND |
****size_type num_elements; |
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|
protected: |
| 295 |
IND |
****IUEi_STL_INLINE void clear(); |
| 296 |
|
|
| 297 |
IND |
****node* new_node(const value_type& obj) |
| 298 |
IND |
**{ |
| 299 |
IND |
************node* n = node_allocator::allocate(); |
| 300 |
IND |
************try { |
| 301 |
IND |
********new (&(n->val)) value_type(obj); |
| 302 |
IND |
************} |
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IND |
************catch (...) { |
| 304 |
IND |
********node_allocator::deallocate(n); |
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IND |
********throw ""; |
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IND |
************} |
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IND |
************n->next = 0; |
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IND |
************return n; |
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IND |
**} |
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|
|
| 311 |
IND |
****void delete_node(node* n) |
| 312 |
IND |
**{ |
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|
#define vcli_destroy(T, p) ((T*)p)->~T() |
| 314 |
IND |
************vcli_destroy(Value, &(n->val)); |
| 315 |
IND |
#undef vcli_destroy |
| 316 |
IND |
************node_allocator::deallocate(n); |
| 317 |
IND |
**} |
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|
| 319 |
IND |
****IUEi_STL_INLINE void copy_from(const hashtable_base<Value,Alloc>& ht); |
| 320 |
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|
| 321 |
|
public: // These are public to get around restriction on protected access |
| 322 |
IND |
****hashtable_base() : num_elements(0) { } |
| 323 |
IND |
// hashtable_base(size_type n) : num_elements(0) {} |
| 324 |
IND |
****~hashtable_base() { clear(); } |
| 325 |
|
}; |
| 326 |
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|
| 327 |
|
|
| 328 |
|
// forward declarations |
| 329 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> class hashtable; |
| 330 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 331 |
LEN,IND |
**bool operator== (hashtable<Value,Key,HashFcn,ExtractKey,EqualKey,Alloc>const&,hashtable<Value,Key,HashFcn,ExtractKey,EqualKey,Alloc>const&); |
| 332 |
|
|
| 333 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 334 |
|
class hashtable : protected hashtable_base<Value, Alloc> |
| 335 |
|
{ |
| 336 |
TDR |
typedef hashtable_base<Value, Alloc> super; |
| 337 |
TDA,TDR |
typedef hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc> self; |
| 338 |
|
public: |
| 339 |
TDR |
typedef Key key_type; |
| 340 |
TDA,TDR |
typedef Value value_type; |
| 341 |
TDA,TDR |
typedef HashFcn hasher; |
| 342 |
TDA,TDR |
typedef EqualKey key_equal; |
| 343 |
|
|
| 344 |
TDR |
typedef size_t size_type; |
| 345 |
TDR |
typedef ptrdiff_t difference_type; |
| 346 |
TDR |
typedef value_type* pointer; |
| 347 |
TDR |
typedef const value_type* const_pointer; |
| 348 |
TDR |
typedef value_type& reference; |
| 349 |
TDR |
typedef const value_type& const_reference; |
| 350 |
|
|
| 351 |
|
hasher hash_funct() const { return hashfun; } |
| 352 |
|
key_equal key_eq() const { return equals; } |
| 353 |
|
|
| 354 |
|
private: |
| 355 |
|
hasher hashfun; |
| 356 |
|
key_equal equals; |
| 357 |
|
ExtractKey get_key; |
| 358 |
|
|
| 359 |
TDR |
typedef hashtable_node<Value> node; |
| 360 |
TDA,TDR |
typedef itk_simple_alloc<node, Alloc> node_allocator; |
| 361 |
|
|
| 362 |
|
public: |
| 363 |
LEN,TDR |
typedef hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc> iterator; |
| 364 |
LEN,TDA,TDR |
typedef hashtable_const_iterator<Value, Key, HashFcn, ExtractKey, EqualKey,Alloc> const_iterator; |
| 365 |
|
friend struct |
| 366 |
|
hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>; |
| 367 |
|
friend struct |
| 368 |
|
hashtable_const_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>; |
| 369 |
|
|
| 370 |
|
public: |
| 371 |
|
hashtable(size_type n, |
| 372 |
|
const HashFcn& hf, |
| 373 |
|
const EqualKey& eql, |
| 374 |
|
const ExtractKey& ext) |
| 375 |
IND |
******: hashfun(hf), equals(eql), get_key(ext) { |
| 376 |
IND |
********initialize_buckets(n); |
| 377 |
|
} |
| 378 |
|
|
| 379 |
|
hashtable(size_type n, |
| 380 |
|
const HashFcn& hf, |
| 381 |
|
const EqualKey& eql) |
| 382 |
IND |
******: hashfun(hf), equals(eql), get_key(ExtractKey()) { |
| 383 |
IND |
********initialize_buckets(n); |
| 384 |
|
} |
| 385 |
|
|
| 386 |
|
hashtable(const self& ht) |
| 387 |
IND |
****: hashfun(ht.hashfun), equals(ht.equals), get_key(ht.get_key) { |
| 388 |
IND |
********copy_from(ht); |
| 389 |
IND |
**} |
| 390 |
|
|
| 391 |
|
self& operator= (const self& ht) |
| 392 |
IND |
**{ |
| 393 |
|
if (&ht != this) { |
| 394 |
|
hashfun = ht.hashfun; |
| 395 |
|
equals = ht.equals; |
| 396 |
|
get_key = ht.get_key; |
| 397 |
|
clear(); |
| 398 |
|
buckets.clear(); |
| 399 |
|
copy_from(ht); |
| 400 |
IND |
****} |
| 401 |
|
return *this; |
| 402 |
IND |
**} |
| 403 |
|
|
| 404 |
|
~hashtable() {} |
| 405 |
|
|
| 406 |
|
size_type size() const { return num_elements; } |
| 407 |
|
size_type max_size() const { return size_type(-1); } |
| 408 |
|
bool empty() const { return size() == 0; } |
| 409 |
|
|
| 410 |
|
void swap(self& ht) |
| 411 |
IND |
**{ |
| 412 |
|
std::swap(hashfun, ht.hashfun); |
| 413 |
|
std::swap(equals, ht.equals); |
| 414 |
|
std::swap(get_key, ht.get_key); |
| 415 |
|
buckets.swap(ht.buckets); |
| 416 |
|
std::swap(num_elements, ht.num_elements); |
| 417 |
IND |
**} |
| 418 |
|
|
| 419 |
|
iterator begin() |
| 420 |
IND |
**{ |
| 421 |
|
for (size_type n = 0; n < buckets.size(); ++n) |
| 422 |
|
if (buckets[n]) |
| 423 |
|
return iterator(buckets[n], this); |
| 424 |
|
return end(); |
| 425 |
|
} |
| 426 |
|
|
| 427 |
|
iterator end() { return iterator((node*)0, this); } |
| 428 |
|
|
| 429 |
|
const_iterator begin() const |
| 430 |
|
{ |
| 431 |
|
for (size_type n = 0; n < buckets.size(); ++n) |
| 432 |
|
if (buckets[n]) |
| 433 |
|
return const_iterator(buckets[n], this); |
| 434 |
|
return end(); |
| 435 |
|
} |
| 436 |
|
|
| 437 |
|
const_iterator end() const { return const_iterator((node*)0, this); } |
| 438 |
|
|
| 439 |
|
// friend IUEi_STL_INLINE bool operator== VCL_NULL_TMPL_ARGS (const |
| 440 |
|
// self&,const self&); |
| 441 |
|
friend bool operator== VCL_NULL_TMPL_ARGS (const self&,const self&); |
| 442 |
|
public: |
| 443 |
|
|
| 444 |
|
size_type bucket_count() const { return buckets.size(); } |
| 445 |
|
|
| 446 |
|
size_type max_bucket_count() const |
| 447 |
|
{ return prime_list[num_primes - 1]; } |
| 448 |
|
|
| 449 |
|
size_type elems_in_bucket(size_type bucket) const |
| 450 |
|
{ |
| 451 |
|
size_type result = 0; |
| 452 |
|
for (node* cur = buckets[bucket]; cur; cur = cur->next) |
| 453 |
IND |
******result += 1; |
| 454 |
|
return result; |
| 455 |
IND |
**} |
| 456 |
|
|
| 457 |
|
std::pair<iterator, bool> insert_unique(const value_type& obj) |
| 458 |
IND |
**{ |
| 459 |
|
resize(num_elements + 1); |
| 460 |
|
return insert_unique_noresize(obj); |
| 461 |
IND |
**} |
| 462 |
|
|
| 463 |
|
iterator insert_equal(const value_type& obj) |
| 464 |
IND |
**{ |
| 465 |
|
resize(num_elements + 1); |
| 466 |
|
return insert_equal_noresize(obj); |
| 467 |
IND |
**} |
| 468 |
|
|
| 469 |
LEN |
IUEi_STL_INLINE std::pair<iterator, bool> insert_unique_noresize(const value_type& obj); |
| 470 |
|
IUEi_STL_INLINE iterator insert_equal_noresize(const value_type& obj); |
| 471 |
|
|
| 472 |
|
void insert_unique(const value_type* f, const value_type* l) |
| 473 |
IND |
**{ |
| 474 |
|
size_type n = l - f; |
| 475 |
|
resize(num_elements + n); |
| 476 |
SEM |
for ( ; n > 0; --n) |
| 477 |
IND |
******insert_unique_noresize(*f++); |
| 478 |
IND |
**} |
| 479 |
|
|
| 480 |
|
void insert_equal(const value_type* f, const value_type* l) |
| 481 |
IND |
**{ |
| 482 |
|
size_type n = l - f; |
| 483 |
|
resize(num_elements + n); |
| 484 |
SEM |
for ( ; n > 0; --n) |
| 485 |
IND |
******insert_equal_noresize(*f++); |
| 486 |
IND |
**} |
| 487 |
|
|
| 488 |
IND |
*void insert_unique(const_iterator f, const_iterator l) |
| 489 |
IND |
**{ |
| 490 |
|
size_type n = 0; |
| 491 |
|
std::distance(f, l, n); |
| 492 |
|
resize(num_elements + n); |
| 493 |
SEM |
for ( ; n > 0; --n) |
| 494 |
IND |
******insert_unique_noresize(*f++); |
| 495 |
IND |
**} |
| 496 |
|
|
| 497 |
|
void insert_equal(const_iterator f, const_iterator l) |
| 498 |
IND |
**{ |
| 499 |
|
size_type n = 0; |
| 500 |
|
std::distance(f, l, n); |
| 501 |
|
resize(num_elements + n); |
| 502 |
SEM |
for ( ; n > 0; --n) |
| 503 |
IND |
******insert_equal_noresize(*f++); |
| 504 |
IND |
**} |
| 505 |
|
|
| 506 |
|
IUEi_STL_INLINE reference find_or_insert(const value_type& obj); |
| 507 |
|
|
| 508 |
|
iterator find(const key_type& key) |
| 509 |
IND |
**{ |
| 510 |
|
size_type n = bkt_num_key(key); |
| 511 |
|
node* first; |
| 512 |
|
for ( first = buckets[n]; |
| 513 |
|
first && !equals(get_key(first->val), key); |
| 514 |
IND |
**********first = first->next) |
| 515 |
|
{} |
| 516 |
|
return iterator(first, this); |
| 517 |
IND |
**} |
| 518 |
|
|
| 519 |
|
const_iterator find(const key_type& key) const |
| 520 |
IND |
**{ |
| 521 |
|
size_type n = bkt_num_key(key); |
| 522 |
|
const node* first; |
| 523 |
|
for ( first = buckets[n]; |
| 524 |
|
first && !equals(get_key(first->val), key); |
| 525 |
IND |
**********first = first->next) |
| 526 |
|
{} |
| 527 |
|
return const_iterator(first, this); |
| 528 |
IND |
**} |
| 529 |
|
|
| 530 |
|
size_type count(const key_type& key) const |
| 531 |
IND |
**{ |
| 532 |
|
const size_type n = bkt_num_key(key); |
| 533 |
|
size_type result = 0; |
| 534 |
|
|
| 535 |
|
for (const node* cur = buckets[n]; cur; cur = cur->next) |
| 536 |
IND |
******if (equals(get_key(cur->val), key)) |
| 537 |
IND |
********++result; |
| 538 |
|
return result; |
| 539 |
IND |
**} |
| 540 |
|
|
| 541 |
LEN |
IUEi_STL_INLINE std::pair<iterator, iterator> equal_range(const key_type& key); |
| 542 |
LEN |
IUEi_STL_INLINE std::pair<const_iterator, const_iterator> equal_range(const key_type& key) const; |
| 543 |
|
|
| 544 |
|
IUEi_STL_INLINE size_type erase(const key_type& key); |
| 545 |
|
IUEi_STL_INLINE void erase(const iterator& it); |
| 546 |
|
IUEi_STL_INLINE void erase(iterator first, iterator last); |
| 547 |
|
|
| 548 |
|
IUEi_STL_INLINE void erase(const const_iterator& it); |
| 549 |
|
IUEi_STL_INLINE void erase(const_iterator first, const_iterator last); |
| 550 |
|
|
| 551 |
|
IUEi_STL_INLINE void resize(size_type num_elements_hint); |
| 552 |
|
void clear() { super::clear(); } |
| 553 |
|
private: |
| 554 |
IND |
****size_type next_size(size_type n) const { |
| 555 |
IND |
*******return static_cast<size_type>( |
| 556 |
|
next_prime( static_cast<unsigned long>(n) ) ); } |
| 557 |
|
|
| 558 |
IND |
****void initialize_buckets(size_type n) |
| 559 |
|
{ |
| 560 |
IND |
********const size_type n_buckets = next_size(n); |
| 561 |
IND |
********buckets.reserve(n_buckets); |
| 562 |
IND |
********buckets.insert(buckets.end(), n_buckets, (node*) 0); |
| 563 |
IND |
********num_elements = 0; |
| 564 |
|
} |
| 565 |
IND |
****size_type bkt_num_key(const key_type& key) const{ |
| 566 |
IND |
********return bkt_num_key(key, buckets.size()); |
| 567 |
|
} |
| 568 |
|
|
| 569 |
IND |
****size_type bkt_num(const value_type& obj) const { |
| 570 |
IND |
********return bkt_num_key(get_key(obj)); |
| 571 |
|
} |
| 572 |
|
|
| 573 |
IND |
****size_type bkt_num_key(const key_type& key, size_t n) const { |
| 574 |
IND |
********return hashfun(key) % n; |
| 575 |
|
} |
| 576 |
|
|
| 577 |
IND |
****size_type bkt_num(const value_type& obj, size_t n) const { |
| 578 |
IND |
********return bkt_num_key(get_key(obj), n); |
| 579 |
|
} |
| 580 |
LEN,IND |
****IUEi_STL_INLINE void erase_bucket(const size_type n, node* first, node* last); |
| 581 |
IND |
****IUEi_STL_INLINE void erase_bucket(const size_type n, node* last); |
| 582 |
|
}; |
| 583 |
|
|
| 584 |
|
// fbp: these defines are for outline methods definitions. |
| 585 |
|
// needed to definitions to be portable. Should not be used in method bodies. |
| 586 |
|
|
| 587 |
|
# if defined ( __STL_NESTED_TYPE_PARAM_BUG ) |
| 588 |
|
# define __difference_type__ ptrdiff_t |
| 589 |
|
# define __size_type__ size_t |
| 590 |
|
# define __value_type__ Value |
| 591 |
|
# define __key_type__ Key |
| 592 |
|
# define __node__ hashtable_node<Value> |
| 593 |
|
# define __reference__ Value& |
| 594 |
|
# else |
| 595 |
LEN |
# define __difference_type__ typename hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::difference_type |
| 596 |
LEN |
# define __size_type__ typename hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::size_type |
| 597 |
LEN |
# define __value_type__ typename hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::value_type |
| 598 |
LEN |
# define __key_type__ typename hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::key_type |
| 599 |
LEN |
# define __node__ typename hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::node |
| 600 |
LEN |
# define __reference__ typename hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::reference |
| 601 |
|
# endif |
| 602 |
|
|
| 603 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 604 |
|
inline hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>& |
| 605 |
LEN |
hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::operator++() |
| 606 |
|
{ |
| 607 |
|
const node* old = cur; |
| 608 |
|
cur = cur->next; |
| 609 |
|
if (!cur) { |
| 610 |
|
size_type bucket = ht->bkt_num(old->val); |
| 611 |
|
while (!cur && ++bucket < ht->buckets.size()) |
| 612 |
IND |
******cur = ht->buckets[bucket]; |
| 613 |
IND |
**} |
| 614 |
|
return *this; |
| 615 |
|
} |
| 616 |
|
|
| 617 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 618 |
|
inline hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc> |
| 619 |
LEN |
hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::operator++(int) |
| 620 |
|
{ |
| 621 |
|
iterator tmp = *this; |
| 622 |
|
++*this; |
| 623 |
|
return tmp; |
| 624 |
|
} |
| 625 |
|
|
| 626 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 627 |
LEN |
inline hashtable_const_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>& |
| 628 |
LEN |
hashtable_const_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::operator++() |
| 629 |
|
{ |
| 630 |
|
const node* old = cur; |
| 631 |
|
cur = cur->next; |
| 632 |
|
if (!cur) { |
| 633 |
|
size_type bucket = ht->bkt_num(old->val); |
| 634 |
|
while (!cur && ++bucket < ht->buckets.size()) |
| 635 |
IND |
******cur = ht->buckets[bucket]; |
| 636 |
IND |
**} |
| 637 |
|
return *this; |
| 638 |
|
} |
| 639 |
|
|
| 640 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 641 |
LEN |
inline hashtable_const_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc> |
| 642 |
LEN |
hashtable_const_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::operator++(int) |
| 643 |
|
{ |
| 644 |
|
const_iterator tmp = *this; |
| 645 |
|
++*this; |
| 646 |
|
return tmp; |
| 647 |
|
} |
| 648 |
|
|
| 649 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 650 |
|
inline std::forward_iterator_tag |
| 651 |
LEN |
iterator_category (const hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>&) |
| 652 |
|
{ |
| 653 |
|
return std::forward_iterator_tag(); |
| 654 |
|
} |
| 655 |
|
|
| 656 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 657 |
|
inline Value* |
| 658 |
LEN |
value_type(const hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>&) |
| 659 |
|
{ |
| 660 |
|
return (Value*) 0; |
| 661 |
|
} |
| 662 |
|
|
| 663 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 664 |
|
inline ptrdiff_t* |
| 665 |
LEN |
distance_type(const hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>&) |
| 666 |
|
{ |
| 667 |
|
return (ptrdiff_t*) 0; |
| 668 |
|
} |
| 669 |
|
|
| 670 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 671 |
|
inline std::forward_iterator_tag |
| 672 |
LEN |
iterator_category (const hashtable_const_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>&) |
| 673 |
|
{ |
| 674 |
|
return std::forward_iterator_tag(); |
| 675 |
|
} |
| 676 |
|
|
| 677 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 678 |
|
inline Value* |
| 679 |
LEN |
value_type(const hashtable_const_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>&) |
| 680 |
|
{ |
| 681 |
|
return (Value*) 0; |
| 682 |
|
} |
| 683 |
|
|
| 684 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 685 |
|
inline ptrdiff_t* |
| 686 |
LEN |
distance_type(const hashtable_const_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>&) |
| 687 |
|
{ |
| 688 |
|
return (ptrdiff_t*) 0; |
| 689 |
|
} |
| 690 |
|
|
| 691 |
|
|
| 692 |
EML |
|
| 693 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 694 |
|
IUEi_STL_INLINE |
| 695 |
LEN |
bool operator==(const hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>& ht1, |
| 696 |
LEN |
const hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>& ht2) |
| 697 |
|
{ |
| 698 |
LEN,TDR |
typedef typename hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::node node; |
| 699 |
|
if (ht1.buckets.size() != ht2.buckets.size()) |
| 700 |
IND |
****return false; |
| 701 |
|
for (int n = 0; n < ht1.buckets.size(); ++n) { |
| 702 |
|
node* cur1 = ht1.buckets[n]; |
| 703 |
|
node* cur2 = ht2.buckets[n]; |
| 704 |
SEM |
for ( ; cur1 && cur2 && cur1->val == cur2->val; |
| 705 |
|
cur1 = cur1->next, cur2 = cur2->next) |
| 706 |
|
{} |
| 707 |
|
if (cur1 || cur2) |
| 708 |
IND |
******return false; |
| 709 |
IND |
**} |
| 710 |
|
return true; |
| 711 |
|
} |
| 712 |
|
|
| 713 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 714 |
LEN |
std::pair<hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>, bool> |
| 715 |
LEN |
hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::insert_unique_noresize(const __value_type__& obj) |
| 716 |
|
{ |
| 717 |
|
const size_type n = bkt_num(obj); |
| 718 |
|
node* first = buckets[n]; |
| 719 |
|
|
| 720 |
|
for (node* cur = first; cur; cur = cur->next) |
| 721 |
IND |
****if (equals(get_key(cur->val), get_key(obj))) |
| 722 |
IND |
******return std::pair<iterator, bool>(iterator(cur, this), false); |
| 723 |
|
|
| 724 |
|
node* tmp = new_node(obj); |
| 725 |
|
tmp->next = first; |
| 726 |
|
buckets[n] = tmp; |
| 727 |
|
++num_elements; |
| 728 |
|
return std::pair<iterator, bool>(iterator(tmp, this), true); |
| 729 |
|
} |
| 730 |
|
|
| 731 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 732 |
|
hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc> |
| 733 |
LEN |
hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::insert_equal_noresize(const __value_type__& obj) |
| 734 |
|
{ |
| 735 |
|
const size_type n = bkt_num(obj); |
| 736 |
|
node* first = buckets[n]; |
| 737 |
|
|
| 738 |
|
for (node* cur = first; cur; cur = cur->next) |
| 739 |
IND |
****if (equals(get_key(cur->val), get_key(obj))) { |
| 740 |
IND |
******node* tmp = new_node(obj); |
| 741 |
IND |
******tmp->next = cur->next; |
| 742 |
IND |
******cur->next = tmp; |
| 743 |
IND |
******++num_elements; |
| 744 |
IND |
******return iterator(tmp, this); |
| 745 |
|
} |
| 746 |
|
|
| 747 |
|
node* tmp = new_node(obj); |
| 748 |
|
tmp->next = first; |
| 749 |
|
buckets[n] = tmp; |
| 750 |
|
++num_elements; |
| 751 |
|
return iterator(tmp, this); |
| 752 |
|
} |
| 753 |
|
|
| 754 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 755 |
|
__reference__ |
| 756 |
LEN |
hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::find_or_insert(const __value_type__& obj) |
| 757 |
|
{ |
| 758 |
|
resize(num_elements + 1); |
| 759 |
|
|
| 760 |
|
size_type n = bkt_num(obj); |
| 761 |
|
node* first = buckets[n]; |
| 762 |
|
|
| 763 |
|
for (node* cur = first; cur; cur = cur->next) |
| 764 |
IND |
****if (equals(get_key(cur->val), get_key(obj))) |
| 765 |
IND |
******return cur->val; |
| 766 |
|
|
| 767 |
|
node* tmp = new_node(obj); |
| 768 |
|
tmp->next = first; |
| 769 |
|
buckets[n] = tmp; |
| 770 |
|
++num_elements; |
| 771 |
|
return tmp->val; |
| 772 |
|
} |
| 773 |
|
|
| 774 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 775 |
|
std::pair<hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>, |
| 776 |
IND |
*****hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc> > |
| 777 |
LEN |
hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::equal_range(const __key_type__& key) |
| 778 |
|
{ |
| 779 |
TDR |
typedef std::pair<iterator, iterator> pii; |
| 780 |
|
const size_type n = bkt_num_key(key); |
| 781 |
|
|
| 782 |
|
for (node* first = buckets[n]; first; first = first->next) { |
| 783 |
|
if (equals(get_key(first->val), key)) { |
| 784 |
|
for (node* cur = first->next; cur; cur = cur->next) |
| 785 |
IND |
********if (!equals(get_key(cur->val), key)) |
| 786 |
IND |
**********return pii(iterator(first, this), iterator(cur, this)); |
| 787 |
|
for (size_type m = n + 1; m < buckets.size(); ++m) |
| 788 |
|
if (buckets[m]) |
| 789 |
|
return pii(iterator(first, this), |
| 790 |
|
iterator(buckets[m], this)); |
| 791 |
|
return pii(iterator(first, this), end()); |
| 792 |
|
} |
| 793 |
|
} |
| 794 |
|
return pii(end(), end()); |
| 795 |
|
} |
| 796 |
|
|
| 797 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 798 |
LEN |
std::pair<hashtable_const_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>, |
| 799 |
LEN,IND |
*****hashtable_const_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc> > |
| 800 |
LEN |
hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::equal_range(const __key_type__& key) const |
| 801 |
|
{ |
| 802 |
TDR |
typedef std::pair<const_iterator, const_iterator> pii; |
| 803 |
|
const size_type n = bkt_num_key(key); |
| 804 |
|
|
| 805 |
SEM |
for (const node* first = buckets[n] ; first; first = first->next) { |
| 806 |
|
if (equals(get_key(first->val), key)) { |
| 807 |
|
for (const node* cur = first->next; cur; cur = cur->next) |
| 808 |
IND |
********if (!equals(get_key(cur->val), key)) |
| 809 |
IND |
**********return pii(const_iterator(first, this), |
| 810 |
IND |
*********************const_iterator(cur, this)); |
| 811 |
|
for (size_type m = n + 1; m < buckets.size(); ++m) |
| 812 |
|
if (buckets[m]) |
| 813 |
|
return pii(const_iterator(first, this), |
| 814 |
|
const_iterator(buckets[m], this)); |
| 815 |
|
return pii(const_iterator(first, this), end()); |
| 816 |
|
} |
| 817 |
|
} |
| 818 |
|
return pii(end(), end()); |
| 819 |
|
} |
| 820 |
|
|
| 821 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 822 |
|
__size_type__ |
| 823 |
LEN |
hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::erase(const __key_type__& key) |
| 824 |
|
{ |
| 825 |
|
const size_type n = bkt_num_key(key); |
| 826 |
|
node* first = buckets[n]; |
| 827 |
|
size_type erased = 0; |
| 828 |
|
|
| 829 |
|
if (first) { |
| 830 |
|
node* cur = first; |
| 831 |
|
node* next = cur->next; |
| 832 |
|
while (next) { |
| 833 |
|
if (equals(get_key(next->val), key)) { |
| 834 |
|
cur->next = next->next; |
| 835 |
|
delete_node(next); |
| 836 |
|
next = cur->next; |
| 837 |
|
++erased; |
| 838 |
IND |
******} |
| 839 |
|
else { |
| 840 |
|
cur = next; |
| 841 |
|
next = cur->next; |
| 842 |
IND |
******} |
| 843 |
IND |
****} |
| 844 |
|
if (equals(get_key(first->val), key)) { |
| 845 |
|
buckets[n] = first->next; |
| 846 |
|
delete_node(first); |
| 847 |
|
++erased; |
| 848 |
IND |
****} |
| 849 |
IND |
**} |
| 850 |
|
num_elements -= erased; |
| 851 |
|
return erased; |
| 852 |
|
} |
| 853 |
|
|
| 854 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 855 |
|
void |
| 856 |
LEN |
hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::erase(const hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>& it) |
| 857 |
|
{ |
| 858 |
|
node* const p = it.cur; |
| 859 |
|
if (p) { |
| 860 |
|
const size_type n = bkt_num(p->val); |
| 861 |
|
node* cur = buckets[n]; |
| 862 |
|
|
| 863 |
|
if (cur == p) { |
| 864 |
|
buckets[n] = cur->next; |
| 865 |
|
delete_node(cur); |
| 866 |
|
--num_elements; |
| 867 |
IND |
****} |
| 868 |
|
else { |
| 869 |
|
node* next = cur->next; |
| 870 |
|
while (next) { |
| 871 |
|
if (next == p) { |
| 872 |
|
cur->next = next->next; |
| 873 |
|
delete_node(next); |
| 874 |
|
--num_elements; |
| 875 |
|
break; |
| 876 |
IND |
********} |
| 877 |
|
else { |
| 878 |
|
cur = next; |
| 879 |
|
next = cur->next; |
| 880 |
IND |
********} |
| 881 |
IND |
******} |
| 882 |
IND |
****} |
| 883 |
IND |
**} |
| 884 |
|
} |
| 885 |
|
|
| 886 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 887 |
|
void |
| 888 |
LEN |
hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::erase(hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc> first, |
| 889 |
LEN |
hashtable_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc> last) |
| 890 |
|
{ |
| 891 |
|
size_type f_bucket = first.cur ? bkt_num(first.cur->val) : buckets.size(); |
| 892 |
|
size_type l_bucket = last.cur ? bkt_num(last.cur->val) : buckets.size(); |
| 893 |
|
if (first.cur == last.cur) |
| 894 |
IND |
****return; |
| 895 |
|
else if (f_bucket == l_bucket) |
| 896 |
IND |
****erase_bucket(f_bucket, first.cur, last.cur); |
| 897 |
|
else { |
| 898 |
|
erase_bucket(f_bucket, first.cur, 0); |
| 899 |
|
for (size_type n = f_bucket + 1; n < l_bucket; ++n) |
| 900 |
|
erase_bucket(n, 0); |
| 901 |
|
if (l_bucket != buckets.size()) |
| 902 |
|
erase_bucket(l_bucket, last.cur); |
| 903 |
|
} |
| 904 |
|
} |
| 905 |
|
|
| 906 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 907 |
|
inline void |
| 908 |
LEN |
hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::erase(hashtable_const_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc> first, |
| 909 |
LEN |
hashtable_const_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc> last) |
| 910 |
|
{ |
| 911 |
|
erase(iterator(const_cast<node*>(first.cur), |
| 912 |
IND |
*****************const_cast<self*>(first.ht)), |
| 913 |
IND |
********iterator(const_cast<node*>(last.cur), |
| 914 |
IND |
*****************const_cast<self*>(last.ht))); |
| 915 |
|
} |
| 916 |
|
|
| 917 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 918 |
|
inline void |
| 919 |
LEN |
hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::erase(const hashtable_const_iterator<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>& it) |
| 920 |
|
{ |
| 921 |
|
erase(iterator(const_cast<node*>(it.cur), |
| 922 |
IND |
*****************const_cast<self*>(it.ht))); |
| 923 |
|
} |
| 924 |
|
|
| 925 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 926 |
|
void |
| 927 |
LEN |
hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::resize(__size_type__ num_elements_hint) |
| 928 |
|
{ |
| 929 |
IND |
****const size_type old_n = buckets.size(); |
| 930 |
IND |
****if (num_elements_hint > old_n) { |
| 931 |
IND |
********const size_type n = next_size(num_elements_hint); |
| 932 |
IND |
********if (n > old_n) { |
| 933 |
LEN |
hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::buckets_type tmp(n, (node*)0); |
| 934 |
IND |
************for (size_type bucket = 0; bucket < old_n; ++bucket) { |
| 935 |
|
node* first = buckets[bucket]; |
| 936 |
|
while (first) { |
| 937 |
|
size_type new_bucket = bkt_num(first->val, n); |
| 938 |
IND |
********************buckets[bucket] = first->next; |
| 939 |
IND |
********************first->next = tmp[new_bucket]; |
| 940 |
IND |
********************tmp[new_bucket] = first; |
| 941 |
IND |
********************first = buckets[bucket]; |
| 942 |
IND |
****************} |
| 943 |
IND |
************} |
| 944 |
IND |
************buckets.clear(); |
| 945 |
IND |
************buckets.swap(tmp); |
| 946 |
IND |
********} |
| 947 |
|
} |
| 948 |
|
} |
| 949 |
|
|
| 950 |
|
|
| 951 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 952 |
|
void |
| 953 |
LEN |
hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::erase_bucket(const size_t n, |
| 954 |
|
hashtable_node<Value>* first, |
| 955 |
|
hashtable_node<Value>* last) |
| 956 |
|
{ |
| 957 |
|
node* cur = buckets[n]; |
| 958 |
|
if (cur == first) |
| 959 |
IND |
****erase_bucket(n, last); |
| 960 |
|
else { |
| 961 |
|
node* next; |
| 962 |
|
for (next = cur->next; next != first; cur = next, next = cur->next) |
| 963 |
SEM,SEM,SEM,SEM,SEM,SEM,IND |
******; |
| 964 |
|
while (next) { |
| 965 |
|
cur->next = next->next; |
| 966 |
|
delete_node(next); |
| 967 |
|
next = cur->next; |
| 968 |
|
--num_elements; |
| 969 |
IND |
****} |
| 970 |
IND |
**} |
| 971 |
|
} |
| 972 |
|
|
| 973 |
LEN |
template <class Value, class Key, class HashFcn, class ExtractKey, class EqualKey, class Alloc> |
| 974 |
|
void |
| 975 |
LEN |
hashtable<Value, Key, HashFcn, ExtractKey, EqualKey, Alloc>::erase_bucket(const size_t n, |
| 976 |
LEN |
hashtable_node<Value>* last) |
| 977 |
|
{ |
| 978 |
|
node* cur = buckets[n]; |
| 979 |
|
while (cur != last) { |
| 980 |
|
node* next = cur->next; |
| 981 |
|
delete_node(cur); |
| 982 |
|
cur = next; |
| 983 |
|
buckets[n] = cur; |
| 984 |
|
--num_elements; |
| 985 |
IND |
**} |
| 986 |
|
} |
| 987 |
|
|
| 988 |
|
template <class Value, class Alloc> |
| 989 |
|
void hashtable_base<Value, Alloc>::clear() |
| 990 |
|
{ |
| 991 |
|
for (size_type i = 0; i < buckets.size(); ++i) { |
| 992 |
|
node* cur = buckets[i]; |
| 993 |
|
while (cur != 0) { |
| 994 |
|
node* next = cur->next; |
| 995 |
|
delete_node(cur); |
| 996 |
|
cur = next; |
| 997 |
IND |
****} |
| 998 |
|
buckets[i] = 0; |
| 999 |
IND |
**} |
| 1000 |
|
num_elements = 0; |
| 1001 |
|
} |
| 1002 |
|
|
| 1003 |
|
|
| 1004 |
|
template <class Value, class Alloc> |
| 1005 |
LEN |
void hashtable_base<Value, Alloc>::copy_from(const hashtable_base<Value, Alloc>& ht) |
| 1006 |
|
{ |
| 1007 |
|
buckets.reserve(ht.buckets.size()); |
| 1008 |
|
buckets.insert(buckets.end(), ht.buckets.size(), (node*) 0); |
| 1009 |
|
for (size_type i = 0; i < ht.buckets.size(); ++i) { |
| 1010 |
|
const node* cur = ht.buckets[i]; |
| 1011 |
|
if (cur) { |
| 1012 |
|
node* copy = new_node(cur->val); |
| 1013 |
|
buckets[i] = copy; |
| 1014 |
|
++num_elements; |
| 1015 |
|
|
| 1016 |
|
for (node* next = cur->next; next; cur = next, next = cur->next) { |
| 1017 |
|
copy->next = new_node(next->val); |
| 1018 |
|
++num_elements; |
| 1019 |
|
copy = copy->next; |
| 1020 |
IND |
******} |
| 1021 |
IND |
****} |
| 1022 |
IND |
**} |
| 1023 |
|
} |
| 1024 |
|
|
| 1025 |
|
}// end namespace itk |
| 1026 |
|
|
| 1027 |
|
|
| 1028 |
|
# undef __difference_type__ |
| 1029 |
|
# undef __size_type__ |
| 1030 |
|
# undef __value_type__ |
| 1031 |
|
# undef __key_type__ |
| 1032 |
|
# undef __node__ |
| 1033 |
|
|
| 1034 |
|
// the following is added for itk compatability: |
| 1035 |
|
|
| 1036 |
|
// -- |
| 1037 |
|
|
| 1038 |
|
// A few compatability fixes. Placed here for automatic include in |
| 1039 |
|
// both the hash_set and the hash_map sources. |
| 1040 |
LEN |
# if defined(VCL_SUNPRO_CC) || defined (_MSC_VER) || defined(__BORLANDC__) || ((defined(__ICC)||defined(__ECC)) && defined(linux)) |
| 1041 |
|
namespace std |
| 1042 |
|
{ |
| 1043 |
|
template <class T> |
| 1044 |
|
struct identity : public std::unary_function<T, T> { |
| 1045 |
|
public: |
| 1046 |
|
const T& operator()(const T& x) const { return x; } |
| 1047 |
|
}; |
| 1048 |
|
} |
| 1049 |
|
|
| 1050 |
|
template <class _Pair> |
| 1051 |
LEN |
struct itk_Select1st : public std::unary_function<_Pair, typename _Pair::first_type> { |
| 1052 |
|
typename _Pair::first_type const & operator()(_Pair const & __x) const { |
| 1053 |
|
return __x.first; |
| 1054 |
IND |
**} |
| 1055 |
IND |
}; |
| 1056 |
|
|
| 1057 |
|
template <class _Pair> |
| 1058 |
LEN |
struct itk_Select2nd : public std::unary_function<_Pair, typename _Pair::second_type> { |
| 1059 |
|
typename _Pair::second_type const & operator()(_Pair const & __x) const { |
| 1060 |
|
return __x.second; |
| 1061 |
IND |
**} |
| 1062 |
IND |
}; |
| 1063 |
|
|
| 1064 |
|
// Add select* to std. |
| 1065 |
|
namespace std { |
| 1066 |
IND |
**template <class _Pair> |
| 1067 |
IND,IND,IND |
**struct select1st : public itk_Select1st<_Pair> { }; |
| 1068 |
IND,IND,IND |
**template <class _Pair> struct select2nd : public itk_Select2nd<_Pair> { }; |
| 1069 |
|
}; |
| 1070 |
|
|
| 1071 |
|
#endif |
| 1072 |
|
|
| 1073 |
|
#endif |
| 1074 |
|
|
| 1075 |
|
#endif // itk_emulation_hashtable_h |
| 1076 |
|
|