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121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
#ifndef SEAD_LIST_IMPL_H_
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#define SEAD_LIST_IMPL_H_
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#include <basis/seadTypes.h>
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namespace sead
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{
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class Random;
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class ListNode
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{
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public:
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ListNode* next() const { return mNext; }
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ListNode* prev() const { return mPrev; }
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bool isLinked() const { return mNext || mPrev; }
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private:
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friend class ListImpl;
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void init_() { *this = {}; }
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void insertBack_(ListNode* node);
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void insertFront_(ListNode* node);
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void erase_();
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ListNode* mPrev = nullptr;
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ListNode* mNext = nullptr;
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};
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class ListImpl
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{
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public:
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__attribute__((always_inline)) ListImpl() : mStartEnd(), mCount(0)
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{
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mStartEnd.mNext = &mStartEnd;
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mStartEnd.mPrev = &mStartEnd;
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}
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bool isEmpty() const { return mCount == 0; }
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s32 size() const { return mCount; }
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void reverse();
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void shuffle();
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void shuffle(Random* random);
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bool checkLinks() const;
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protected:
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using CompareCallbackImpl = int (*)(const void*, const void*);
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template <class T, class ComparePredicate>
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void sort(s32 offset, const ComparePredicate& cmp)
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{
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this->mergeSort<T, ComparePredicate>(offset, cmp);
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}
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template <class T, class ComparePredicate>
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void mergeSort(s32 offset, const ComparePredicate& cmp)
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{
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this->mergeSortImpl_<T, ComparePredicate>(mStartEnd.mNext, mStartEnd.mPrev, size(), offset,
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cmp);
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}
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void pushBack(ListNode* item)
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{
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mStartEnd.insertFront_(item);
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++mCount;
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}
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void pushFront(ListNode* item)
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{
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mStartEnd.insertBack_(item);
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++mCount;
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}
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ListNode* popBack();
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ListNode* popFront();
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void insertBefore(ListNode* node, ListNode* node_to_insert)
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{
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node->insertFront_(node_to_insert);
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++mCount;
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}
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void insertAfter(ListNode* node, ListNode* node_to_insert)
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{
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node->insertBack_(node_to_insert);
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++mCount;
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}
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void erase(ListNode* item)
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{
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item->erase_();
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--mCount;
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}
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ListNode* front() const { return mCount >= 1 ? mStartEnd.mNext : nullptr; }
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ListNode* back() const { return mCount >= 1 ? mStartEnd.mPrev : nullptr; }
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ListNode* nth(int n) const;
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s32 indexOf(const ListNode*) const;
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void swap(ListNode* n1, ListNode* n2);
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void moveAfter(ListNode* basis, ListNode* n);
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void moveBefore(ListNode* basis, ListNode* n);
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ListNode* find(const void* ptr, s32 offset, CompareCallbackImpl cmp) const;
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void uniq(s32 offset, CompareCallbackImpl cmp);
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void clear();
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// FIXME: this should take an rvalue reference for predicate.
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template <class T, class ComparePredicate>
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static void mergeSortImpl_(ListNode* front, ListNode* back, s32 num, s32 offset,
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const ComparePredicate& predicate);
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protected:
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ListNode mStartEnd;
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s32 mCount;
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};
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} // namespace sead
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#endif // SEAD_LIST_IMPL_H_
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