diff -r 2fe1408b6811 -r e1b950c65cb4 epoc32/include/stdapis/stlport/stl/_hashtable.c --- a/epoc32/include/stdapis/stlport/stl/_hashtable.c Tue Mar 16 16:12:26 2010 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,471 +0,0 @@ -/* - * - * - * Copyright (c) 1994 - * Hewlett-Packard Company - * - * Copyright (c) 1996,1997 - * Silicon Graphics Computer Systems, Inc. - * - * Copyright (c) 1997 - * Moscow Center for SPARC Technology - * - * Copyright (c) 1999 - * Boris Fomitchev - * - * This material is provided "as is", with absolutely no warranty expressed - * or implied. Any use is at your own risk. - * - * Permission to use or copy this software for any purpose is hereby granted - * without fee, provided the above notices are retained on all copies. - * Permission to modify the code and to distribute modified code is granted, - * provided the above notices are retained, and a notice that the code was - * modified is included with the above copyright notice. - * - */ -#ifndef _STLP_HASHTABLE_C -#define _STLP_HASHTABLE_C - -#ifndef _STLP_INTERNAL_HASHTABLE_H -# include -#endif - -#ifdef _STLP_DEBUG -# define hashtable __WORKAROUND_DBG_RENAME(hashtable) -#endif - -_STLP_BEGIN_NAMESPACE - -# define __PRIME_LIST_BODY { \ - 53ul, 97ul, 193ul, 389ul, 769ul, \ - 1543ul, 3079ul, 6151ul, 12289ul, 24593ul, \ - 49157ul, 98317ul, 196613ul, 393241ul, 786433ul, \ - 1572869ul, 3145739ul, 6291469ul, 12582917ul, 25165843ul, \ - 50331653ul, 100663319ul, 201326611ul, 402653189ul, 805306457ul,\ - 1610612741ul, 3221225473ul, 4294967291ul \ -} - -#if ( _STLP_STATIC_TEMPLATE_DATA > 0 ) -template -const size_t _Stl_prime<_Tp>::_M_list[__stl_num_primes] = __PRIME_LIST_BODY; -#else -__DECLARE_INSTANCE(const size_t, - _Stl_prime_type::_M_list[], =__PRIME_LIST_BODY); -#endif /* _STLP_STATIC_TEMPLATE_DATA */ - -# undef __PRIME_LIST_BODY - -// fbp: these defines are for outline methods definitions. -// needed to definitions to be portable. Should not be used in method bodies. - -# if defined ( _STLP_NESTED_TYPE_PARAM_BUG ) -# define __size_type__ size_t -# define size_type size_t -# define value_type _Val -# define key_type _Key -# define _Node _Hashtable_node<_Val> -# define __reference__ _Val& - -# define __iterator__ _Ht_iterator<_Val, _Nonconst_traits<_Val>, _Key, _HF, _ExK, _EqK, _All> -# define __const_iterator__ _Ht_iterator<_Val, _Const_traits<_Val>, _Key, _HF, _ExK, _EqK, _All> -# else -# define __size_type__ _STLP_TYPENAME_ON_RETURN_TYPE hashtable<_Val, _Key, _HF, _ExK, _EqK, _All>::size_type -# define __reference__ _STLP_TYPENAME_ON_RETURN_TYPE hashtable<_Val, _Key, _HF, _ExK, _EqK, _All>::reference -# define __iterator__ _STLP_TYPENAME_ON_RETURN_TYPE hashtable<_Val, _Key, _HF, _ExK, _EqK, _All>::iterator -# endif - -template -_Hashtable_node<_Val>* -_Hashtable_iterator<_Val,_Key,_HF,_ExK,_EqK,_All>::_M_skip_to_next() { - size_t __bucket = _M_ht->_M_bkt_num(_M_cur->_M_val); - size_t __h_sz; - __h_sz = this->_M_ht->bucket_count(); - - _Node* __i=0; - while (__i==0 && ++__bucket < __h_sz) - __i = (_Node*)_M_ht->_M_buckets[__bucket]; - return __i; -} - -template -__size_type__ -hashtable<_Val,_Key,_HF,_ExK,_EqK,_All>::_M_next_size(size_type __n) const { - const size_type* __first = (const size_type*)_Stl_prime_type::_M_list; - const size_type* __last = (const size_type*)_Stl_prime_type::_M_list + (int)__stl_num_primes; - const size_type* pos = __lower_bound(__first, __last, __n, __less((size_type*)0), (ptrdiff_t*)0); - return (pos == __last ? *(__last - 1) : *pos); -} - -template -bool -hashtable<_Val,_Key,_HF,_ExK,_EqK,_All>::_M_equal( - const hashtable<_Val,_Key,_HF,_ExK,_EqK,_All>& __ht1, - const hashtable<_Val,_Key,_HF,_ExK,_EqK,_All>& __ht2) -{ - // typedef _Hashtable_node<_Val> _Node; - if (__ht1.bucket_count() != __ht2.bucket_count()) - return false; - for (size_t __n = 0; __n < __ht1.bucket_count(); ++__n) { - const _Node* __cur1 = __ht1._M_get_bucket(__n); - const _Node* __cur2 = __ht2._M_get_bucket(__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 -pair< _Ht_iterator<_Val, _Nonconst_traits<_Val>, _Key, _HF, _ExK, _EqK, _All> , bool> -hashtable<_Val,_Key,_HF,_ExK,_EqK,_All> - ::insert_unique_noresize(const value_type& __obj) -{ - const size_type __n = _M_bkt_num(__obj); - _Node* __first = (_Node*)_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 pair(iterator(__cur, this), false); - - _Node* __tmp = _M_new_node(__obj); - __tmp->_M_next = __first; - _M_buckets[__n] = __tmp; - ++_M_num_elements._M_data; - return pair(iterator(__tmp, this), true); -} - -template -__iterator__ -hashtable<_Val,_Key,_HF,_ExK,_EqK,_All> - ::insert_equal_noresize(const value_type& __obj) -{ - const size_type __n = _M_bkt_num(__obj); - _Node* __first = (_Node*)_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._M_data; - return iterator(__tmp, this); - } - - _Node* __tmp = _M_new_node(__obj); - __tmp->_M_next = __first; - _M_buckets[__n] = __tmp; - ++_M_num_elements._M_data; - return iterator(__tmp, this); -} - -template -__reference__ -hashtable<_Val,_Key,_HF,_ExK,_EqK,_All>::_M_insert(const value_type& __obj) -{ - resize(_M_num_elements._M_data + 1); - - size_type __n = _M_bkt_num(__obj); - _Node* __first = (_Node*)_M_buckets[__n]; - - _Node* __tmp = _M_new_node(__obj); - __tmp->_M_next = __first; - _M_buckets[__n] = __tmp; - ++_M_num_elements._M_data; - return __tmp->_M_val; -} - -template -__reference__ -hashtable<_Val,_Key,_HF,_ExK,_EqK,_All>::find_or_insert(const value_type& __obj) -{ - - _Node* __first = _M_find(_M_get_key(__obj)); - if (__first) - return __first->_M_val; - else - return _M_insert(__obj); -} - -template -pair< _Ht_iterator<_Val, _Nonconst_traits<_Val>, _Key, _HF, _ExK, _EqK, _All>, - _Ht_iterator<_Val, _Nonconst_traits<_Val>, _Key, _HF, _ExK, _EqK, _All> > -hashtable<_Val,_Key,_HF,_ExK,_EqK,_All>::equal_range(const key_type& __key) -{ - typedef pair _Pii; - const size_type __n = _M_bkt_num_key(__key); - - for (_Node* __first = (_Node*)_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((_Node*)_M_buckets[__m], this)); - return _Pii(iterator(__first, this), end()); - } - return _Pii(end(), end()); -} - -template -pair< _Ht_iterator<_Val, _Const_traits<_Val>, _Key, _HF, _ExK, _EqK, _All>, - _Ht_iterator<_Val, _Const_traits<_Val>, _Key, _HF, _ExK, _EqK, _All> > -hashtable<_Val,_Key,_HF,_ExK,_EqK,_All> - ::equal_range(const key_type& __key) const -{ - typedef pair _Pii; - const size_type __n = _M_bkt_num_key(__key); - - for (const _Node* __first = (_Node*)_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((_Node*)_M_buckets[__m], this)); - return _Pii(const_iterator(__first, this), end()); - } - } - return _Pii(end(), end()); -} - -template -__size_type__ -hashtable<_Val,_Key,_HF,_ExK,_EqK,_All>::erase(const key_type& __key) -{ - const size_type __n = _M_bkt_num_key(__key); - _Node* __first = (_Node*)_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._M_data; - } - 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._M_data; - } - } - return __erased; -} - -template -void hashtable<_Val,_Key,_HF,_ExK,_EqK,_All>::erase(const const_iterator& __it) -{ - // const iterator& __it = __REINTERPRET_CAST(const iterator&,_c_it); - const _Node* __p = __it._M_cur; - if (__p) { - const size_type __n = _M_bkt_num(__p->_M_val); - _Node* __cur = (_Node*)_M_buckets[__n]; - - if (__cur == __p) { - _M_buckets[__n] = __cur->_M_next; - _M_delete_node(__cur); - --_M_num_elements._M_data; - } - else { - _Node* __next = __cur->_M_next; - while (__next) { - if (__next == __p) { - __cur->_M_next = __next->_M_next; - _M_delete_node(__next); - --_M_num_elements._M_data; - break; - } - else { - __cur = __next; - __next = __cur->_M_next; - } - } - } - } -} - -template -void hashtable<_Val,_Key,_HF,_ExK,_EqK,_All> - ::erase(const_iterator _c_first, const_iterator _c_last) -{ - iterator& __first = (iterator&)_c_first; - iterator& __last = (iterator&)_c_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 -void hashtable<_Val,_Key,_HF,_ExK,_EqK,_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) { - _BucketVector __tmp(__n, (void*)(0), - _M_buckets.get_allocator()); - _STLP_PUSH_CLEANUP_ITEM(_BucketVector, &__tmp); - _STLP_TRY { - for (size_type __bucket = 0; __bucket < __old_n; ++__bucket) { - _Node* __first = (_Node*)_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 = (_Node*)__tmp[__new_bucket]; - __tmp[__new_bucket] = __first; - __first = (_Node*)_M_buckets[__bucket]; - } - } - _M_buckets.swap(__tmp); - } - _STLP_CATCH_ALL { - for (size_type __bucket = 0; __bucket < __tmp.size(); ++__bucket) { - while (__tmp[__bucket]) { - _Node* __next = ((_Node*)__tmp[__bucket])->_M_next; - _M_delete_node((_Node*)__tmp[__bucket]); - __tmp[__bucket] = __next; - } - } - _STLP_RETHROW; - } -#ifdef _STLP_USE_TRAP_LEAVE - CleanupStack::Pop(); -#endif - - } - } -} - -template -void hashtable<_Val,_Key,_HF,_ExK,_EqK,_All> - ::_M_erase_bucket(const size_type __n, _Node* __first, _Node* __last) -{ - _Node* __cur = (_Node*)_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._M_data; - } - } -} - -template -void hashtable<_Val,_Key,_HF,_ExK,_EqK,_All> - ::_M_erase_bucket(const size_type __n, _Node* __last) -{ - _Node* __cur = (_Node*)_M_buckets[__n]; - while (__cur && __cur != __last) { - _Node* __next = __cur->_M_next; - _M_delete_node(__cur); - __cur = __next; - _M_buckets[__n] = __cur; - --_M_num_elements._M_data; - } -} - -template -void hashtable<_Val,_Key,_HF,_ExK,_EqK,_All>::clear() -{ - for (size_type __i = 0; __i < _M_buckets.size(); ++__i) { - _Node* __cur = (_Node*)_M_buckets[__i]; - while (__cur != 0) { - _Node* __next = __cur->_M_next; - _M_delete_node(__cur); - __cur = __next; - } - _M_buckets[__i] = 0; - } - _M_num_elements._M_data = 0; -} - - -template -void hashtable<_Val,_Key,_HF,_ExK,_EqK,_All> - ::_M_copy_from(const hashtable<_Val,_Key,_HF,_ExK,_EqK,_All>& __ht) -{ - _M_buckets.clear(); - _M_buckets.reserve(__ht._M_buckets.size()); - _M_buckets.insert(_M_buckets.end(), __ht._M_buckets.size(), (void*) 0); - _STLP_TRY { - for (size_type __i = 0; __i < __ht._M_buckets.size(); ++__i) { - const _Node* __cur = (_Node*)__ht._M_buckets[__i]; - if (__cur) { - _Node* __xcopy = _M_new_node(__cur->_M_val); - _M_buckets[__i] = __xcopy; - - for (_Node* __next = __cur->_M_next; - __next; - __cur = __next, __next = __cur->_M_next) { - __xcopy->_M_next = _M_new_node(__next->_M_val); - __xcopy = __xcopy->_M_next; - } - } - } - _M_num_elements._M_data = __ht._M_num_elements._M_data; - } - _STLP_UNWIND(clear()); -} - -# undef __iterator__ -# undef const_iterator -# undef __size_type__ -# undef __reference__ -# undef size_type -# undef value_type -# undef key_type -# undef _Node -# undef __stl_num_primes -# undef hashtable - -_STLP_END_NAMESPACE - -#endif /* _STLP_HASHTABLE_C */ - -// Local Variables: -// mode:C++ -// End: