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authorMatt A. Tobin <email@mattatobin.com>2019-11-03 00:17:46 -0400
committerMatt A. Tobin <email@mattatobin.com>2019-11-03 00:17:46 -0400
commit302bf1b523012e11b60425d6eee1221ebc2724eb (patch)
treeb191a895f8716efcbe42f454f37597a545a6f421 /db/mork/src/morkUniqRowCursor.h
parent21b3f6247403c06f85e1f45d219f87549862198f (diff)
downloaduxp-302bf1b523012e11b60425d6eee1221ebc2724eb.tar.gz
Issue #1258 - Part 1: Import mailnews, ldap, and mork from comm-esr52.9.1
Diffstat (limited to 'db/mork/src/morkUniqRowCursor.h')
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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_ */