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57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
#ifndef linklist_h_
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#define linklist_h_
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#include "compat.h"
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namespace LL
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{
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template <typename T> FORCE_INLINE CONSTEXPR_CXX14 void Reset(T const node) { node->next = node->prev = node; }
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template <typename T> FORCE_INLINE CONSTEXPR_CXX14 void Unlink(T const node)
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{
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node->prev->next = node->next;
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node->next->prev = node->prev;
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}
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template <typename T> FORCE_INLINE CONSTEXPR_CXX14 void Insert(T const root, T const node)
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{
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node->next = root;
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node->prev = root->prev;
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root->prev->next = node;
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root->prev = node;
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}
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template <typename T> FORCE_INLINE CONSTEXPR_CXX14 void Remove(T const node)
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{
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Unlink(node);
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Reset(node);
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}
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template <typename T> FORCE_INLINE CONSTEXPR_CXX14 void Move(T const node, T const root)
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{
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Unlink(node);
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Insert(root, node);
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}
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template <typename T, typename Tt> FORCE_INLINE CONSTEXPR_CXX14 void SortedInsert(T const root, T const node, Tt remove_pointer_t<T>::*m)
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{
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T best = root->next;
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while ((best != root) && (node->*m > best->*m))
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best = best->next;
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Insert(best, node);
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}
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template <typename T> FORCE_INLINE CONSTEXPR bool Empty(T const root) { return ((root->next == root) && (root->prev == root)); }
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#if 0
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template <typename T> FORCE_INLINE void ReverseList(T const root)
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{
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T node = root->next;
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for (T trav = root->prev, tprev; trav != node; trav = tprev)
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{
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tprev = trav->prev;
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Move(trav, node);
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}
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}
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#endif
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} // namespace LL
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#endif
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