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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef _MORKUNIQROWCURSOR_
#define _MORKUNIQROWCURSOR_ 1
#ifndef _MORK_
#include "mork.h"
#endif
#ifndef _MORKCURSOR_
#include "morkCursor.h"
#endif
#ifndef _MORKMAP_
#include "morkMap.h"
#endif
//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
class orkinTableRowCursor;
// #define morkDerived_kUniqRowCursor /*i*/ 0x7352 /* ascii 'sR' */
class morkUniqRowCursor : public morkTableRowCursor { // row iterator
// public: // slots inherited from morkObject (meant to inform only)
// nsIMdbHeap* mNode_Heap;
// mork_able mNode_Mutable; // can this node be modified?
// mork_load mNode_Load; // is this node clean or dirty?
// mork_base mNode_Base; // must equal morkBase_kNode
// mork_derived mNode_Derived; // depends on specific node subclass
// mork_access mNode_Access; // kOpen, kClosing, kShut, or kDead
// mork_usage mNode_Usage; // kHeap, kStack, kMember, kGlobal, kNone
// mork_uses mNode_Uses; // refcount for strong refs
// mork_refs mNode_Refs; // refcount for strong refs + weak refs
// morkFactory* mObject_Factory; // weak ref to suite factory
// mork_seed mCursor_Seed;
// mork_pos mCursor_Pos;
// mork_bool mCursor_DoFailOnSeedOutOfSync;
// mork_u1 mCursor_Pad[ 3 ]; // explicitly pad to u4 alignment
// morkTable* mTableRowCursor_Table; // weak ref to table
public: // state is public because the entire Mork system is private
// { ===== begin morkNode interface =====
public: // morkNode virtual methods
virtual void CloseMorkNode(morkEnv* ev) override; // CloseUniqRowCursor()
virtual ~morkUniqRowCursor(); // assert that close executed earlier
public: // morkUniqRowCursor construction & destruction
morkUniqRowCursor(morkEnv* ev, const morkUsage& inUsage,
nsIMdbHeap* ioHeap, morkTable* ioTable, mork_pos inRowPos);
void CloseUniqRowCursor(morkEnv* ev); // called by CloseMorkNode();
private: // copying is not allowed
morkUniqRowCursor(const morkUniqRowCursor& other);
morkUniqRowCursor& operator=(const morkUniqRowCursor& other);
public: // dynamic type identification
// mork_bool IsUniqRowCursor() const
// { return IsNode() && mNode_Derived == morkDerived_kUniqRowCursor; }
// } ===== end morkNode methods =====
public: // typing
static void NonUniqRowCursorTypeError(morkEnv* ev);
public: // other search row cursor methods
virtual mork_bool CanHaveDupRowMembers(morkEnv* ev);
virtual mork_count GetMemberCount(morkEnv* ev);
virtual orkinTableRowCursor* AcquireUniqueRowCursorHandle(morkEnv* ev);
// virtual mdb_pos NextRowOid(morkEnv* ev, mdbOid* outOid);
virtual morkRow* NextRow(morkEnv* ev, mdbOid* outOid, mdb_pos* outPos);
public: // typesafe refcounting inlines calling inherited morkNode methods
static void SlotWeakUniqRowCursor(morkUniqRowCursor* me,
morkEnv* ev, morkUniqRowCursor** ioSlot)
{ morkNode::SlotWeakNode((morkNode*) me, ev, (morkNode**) ioSlot); }
static void SlotStrongUniqRowCursor(morkUniqRowCursor* me,
morkEnv* ev, morkUniqRowCursor** ioSlot)
{ morkNode::SlotStrongNode((morkNode*) me, ev, (morkNode**) ioSlot); }
};
//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
#endif /* _MORKUNIQROWCURSOR_ */
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