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98 lines
3.8 KiB
98 lines
3.8 KiB
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
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/* This Source Code Form is subject to the terms of the Mozilla Public |
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* License, v. 2.0. If a copy of the MPL was not distributed with this |
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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#ifndef _MORKARRAY_ |
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#define _MORKARRAY_ 1 |
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#ifndef _MORK_ |
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#include "mork.h" |
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#endif |
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#ifndef _MORKNODE_ |
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#include "morkNode.h" |
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#endif |
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//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789 |
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#define morkDerived_kArray /*i*/ 0x4179 /* ascii 'Ay' */ |
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class morkArray : public morkNode { // row iterator |
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// public: // slots inherited from morkObject (meant to inform only) |
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// nsIMdbHeap* mNode_Heap; |
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// mork_able mNode_Mutable; // can this node be modified? |
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// mork_load mNode_Load; // is this node clean or dirty? |
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// mork_base mNode_Base; // must equal morkBase_kNode |
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// mork_derived mNode_Derived; // depends on specific node subclass |
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// mork_access mNode_Access; // kOpen, kClosing, kShut, or kDead |
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// mork_usage mNode_Usage; // kHeap, kStack, kMember, kGlobal, kNone |
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// mork_uses mNode_Uses; // refcount for strong refs |
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// mork_refs mNode_Refs; // refcount for strong refs + weak refs |
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public: // state is public because the entire Mork system is private |
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void** mArray_Slots; // array of pointers |
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nsIMdbHeap* mArray_Heap; // required heap for allocating mArray_Slots |
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mork_fill mArray_Fill; // logical count of used slots in mArray_Slots |
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mork_size mArray_Size; // physical count of mArray_Slots ( >= Fill) |
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mork_seed mArray_Seed; // change counter for syncing with iterators |
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// { ===== begin morkNode interface ===== |
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public: // morkNode virtual methods |
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virtual void CloseMorkNode(morkEnv* ev) override; // CloseArray() |
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virtual ~morkArray(); // assert that close executed earlier |
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public: // morkArray construction & destruction |
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morkArray(morkEnv* ev, const morkUsage& inUsage, |
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nsIMdbHeap* ioHeap, mork_size inSize, nsIMdbHeap* ioSlotHeap); |
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void CloseArray(morkEnv* ev); // called by CloseMorkNode(); |
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private: // copying is not allowed |
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morkArray(const morkArray& other); |
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morkArray& operator=(const morkArray& other); |
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public: // dynamic type identification |
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mork_bool IsArray() const |
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{ return IsNode() && mNode_Derived == morkDerived_kArray; } |
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// } ===== end morkNode methods ===== |
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public: // typing & errors |
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static void NonArrayTypeError(morkEnv* ev); |
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static void IndexBeyondEndError(morkEnv* ev); |
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static void NilSlotsAddressError(morkEnv* ev); |
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static void FillBeyondSizeError(morkEnv* ev); |
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public: // other table row cursor methods |
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mork_fill Length() const { return mArray_Fill; } |
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mork_size Capacity() const { return mArray_Size; } |
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mork_bool Grow(morkEnv* ev, mork_size inNewSize); |
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// Grow() returns true if capacity becomes >= inNewSize and ev->Good() |
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void* At(mork_pos inPos) const { return mArray_Slots[ inPos ]; } |
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void AtPut(mork_pos inPos, void* ioSlot) |
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{ mArray_Slots[ inPos ] = ioSlot; } |
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void* SafeAt(morkEnv* ev, mork_pos inPos); |
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void SafeAtPut(morkEnv* ev, mork_pos inPos, void* ioSlot); |
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mork_pos AppendSlot(morkEnv* ev, void* ioSlot); |
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void AddSlot(morkEnv* ev, mork_pos inPos, void* ioSlot); |
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void CutSlot(morkEnv* ev, mork_pos inPos); |
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void CutAllSlots(morkEnv* ev); |
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public: // typesafe refcounting inlines calling inherited morkNode methods |
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static void SlotWeakArray(morkArray* me, |
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morkEnv* ev, morkArray** ioSlot) |
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{ morkNode::SlotWeakNode((morkNode*) me, ev, (morkNode**) ioSlot); } |
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static void SlotStrongArray(morkArray* me, |
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morkEnv* ev, morkArray** ioSlot) |
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{ morkNode::SlotStrongNode((morkNode*) me, ev, (morkNode**) ioSlot); } |
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}; |
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//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789 |
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#endif /* _MORKTABLEROWCURSOR_ */
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