1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ 2 /* This Source Code Form is subject to the terms of the Mozilla Public 3 * License, v. 2.0. If a copy of the MPL was not distributed with this 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 5 6 #ifndef _MORKARRAY_ 7 #define _MORKARRAY_ 1 8 9 #ifndef _MORK_ 10 # include "mork.h" 11 #endif 12 13 #ifndef _MORKNODE_ 14 # include "morkNode.h" 15 #endif 16 17 // 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789 18 19 #define morkDerived_kArray /*i*/ 0x4179 /* ascii 'Ay' */ 20 21 class morkArray : public morkNode { // row iterator 22 23 // public: // slots inherited from morkObject (meant to inform only) 24 // nsIMdbHeap* mNode_Heap; 25 // mork_able mNode_Mutable; // can this node be modified? 26 // mork_load mNode_Load; // is this node clean or dirty? 27 // mork_base mNode_Base; // must equal morkBase_kNode 28 // mork_derived mNode_Derived; // depends on specific node subclass 29 // mork_access mNode_Access; // kOpen, kClosing, kShut, or kDead 30 // mork_usage mNode_Usage; // kHeap, kStack, kMember, kGlobal, kNone 31 // mork_uses mNode_Uses; // refcount for strong refs 32 // mork_refs mNode_Refs; // refcount for strong refs + weak refs 33 34 public: // state is public because the entire Mork system is private 35 void** mArray_Slots; // array of pointers 36 nsIMdbHeap* mArray_Heap; // required heap for allocating mArray_Slots 37 mork_fill mArray_Fill; // logical count of used slots in mArray_Slots 38 mork_size mArray_Size; // physical count of mArray_Slots ( >= Fill) 39 mork_seed mArray_Seed; // change counter for syncing with iterators 40 41 // { ===== begin morkNode interface ===== 42 public: // morkNode virtual methods 43 virtual void CloseMorkNode(morkEnv* ev) override; // CloseArray() 44 virtual ~morkArray(); // assert that close executed earlier 45 46 public: // morkArray construction & destruction 47 morkArray(morkEnv* ev, const morkUsage& inUsage, nsIMdbHeap* ioHeap, 48 mork_size inSize, nsIMdbHeap* ioSlotHeap); 49 void CloseArray(morkEnv* ev); // called by CloseMorkNode(); 50 51 private: // copying is not allowed 52 morkArray(const morkArray& other); 53 morkArray& operator=(const morkArray& other); 54 55 public: // dynamic type identification IsArray()56 mork_bool IsArray() const { 57 return IsNode() && mNode_Derived == morkDerived_kArray; 58 } 59 // } ===== end morkNode methods ===== 60 61 public: // typing & errors 62 static void NonArrayTypeError(morkEnv* ev); 63 static void IndexBeyondEndError(morkEnv* ev); 64 static void NilSlotsAddressError(morkEnv* ev); 65 static void FillBeyondSizeError(morkEnv* ev); 66 67 public: // other table row cursor methods Length()68 mork_fill Length() const { return mArray_Fill; } Capacity()69 mork_size Capacity() const { return mArray_Size; } 70 71 mork_bool Grow(morkEnv* ev, mork_size inNewSize); 72 // Grow() returns true if capacity becomes >= inNewSize and ev->Good() 73 At(mork_pos inPos)74 void* At(mork_pos inPos) const { return mArray_Slots[inPos]; } AtPut(mork_pos inPos,void * ioSlot)75 void AtPut(mork_pos inPos, void* ioSlot) { mArray_Slots[inPos] = ioSlot; } 76 77 void* SafeAt(morkEnv* ev, mork_pos inPos); 78 void SafeAtPut(morkEnv* ev, mork_pos inPos, void* ioSlot); 79 80 mork_pos AppendSlot(morkEnv* ev, void* ioSlot); 81 void AddSlot(morkEnv* ev, mork_pos inPos, void* ioSlot); 82 void CutSlot(morkEnv* ev, mork_pos inPos); 83 void CutAllSlots(morkEnv* ev); 84 85 public: // typesafe refcounting inlines calling inherited morkNode methods SlotWeakArray(morkArray * me,morkEnv * ev,morkArray ** ioSlot)86 static void SlotWeakArray(morkArray* me, morkEnv* ev, morkArray** ioSlot) { 87 morkNode::SlotWeakNode((morkNode*)me, ev, (morkNode**)ioSlot); 88 } 89 SlotStrongArray(morkArray * me,morkEnv * ev,morkArray ** ioSlot)90 static void SlotStrongArray(morkArray* me, morkEnv* ev, morkArray** ioSlot) { 91 morkNode::SlotStrongNode((morkNode*)me, ev, (morkNode**)ioSlot); 92 } 93 }; 94 95 // 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789 96 97 #endif /* _MORKTABLEROWCURSOR_ */ 98