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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 _MORKROWMAP_
+#define _MORKROWMAP_ 1
+
+#ifndef _MORK_
+# include "mork.h"
+#endif
+
+#ifndef _MORKNODE_
+# include "morkNode.h"
+#endif
+
+#ifndef _MORKMAP_
+# include "morkMap.h"
+#endif
+
+#ifndef _MORKPROBEMAP_
+# include "morkProbeMap.h"
+#endif
+
+// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+#define morkDerived_kRowMap /*i*/ 0x724D /* ascii 'rM' */
+
+/*| morkRowMap: maps a set of morkRow by contained Oid
+|*/
+class morkRowMap : public morkMap { // for mapping row IDs to rows
+
+ // { ===== begin morkNode interface =====
+ public: // morkNode virtual methods
+ virtual void CloseMorkNode(
+ morkEnv* ev) override; // CloseRowMap() only if open
+ virtual ~morkRowMap(); // assert that CloseRowMap() executed earlier
+
+ public: // morkMap construction & destruction
+ morkRowMap(morkEnv* ev, const morkUsage& inUsage, nsIMdbHeap* ioHeap,
+ nsIMdbHeap* ioSlotHeap, mork_size inSlots);
+ void CloseRowMap(morkEnv* ev); // called by CloseMorkNode();
+
+ public: // dynamic type identification
+ mork_bool IsRowMap() const {
+ return IsNode() && mNode_Derived == morkDerived_kRowMap;
+ }
+ // } ===== end morkNode methods =====
+
+ // { ===== begin morkMap poly interface =====
+ virtual mork_bool // note: equal(a,b) implies hash(a) == hash(b)
+ Equal(morkEnv* ev, const void* inKeyA, const void* inKeyB) const override;
+ // implemented using morkRow::EqualRow()
+
+ virtual mork_u4 // note: equal(a,b) implies hash(a) == hash(b)
+ Hash(morkEnv* ev, const void* inKey) const override;
+ // implemented using morkRow::HashRow()
+ // } ===== end morkMap poly interface =====
+
+ public: // other map methods
+ mork_bool AddRow(morkEnv* ev, morkRow* ioRow);
+ // AddRow() returns ev->Good()
+
+ morkRow* CutOid(morkEnv* ev, const mdbOid* inOid);
+ // CutRid() returns the row removed equal to inRid, if there was one
+
+ morkRow* CutRow(morkEnv* ev, const morkRow* ioRow);
+ // CutRow() returns the row removed equal to ioRow, if there was one
+
+ morkRow* GetOid(morkEnv* ev, const mdbOid* inOid);
+ // GetOid() returns the row equal to inRid, or else nil
+
+ morkRow* GetRow(morkEnv* ev, const morkRow* ioRow);
+ // GetRow() returns the row equal to ioRow, or else nil
+
+ // note the rows are owned elsewhere, usually by morkRowSpace
+
+ public: // typesafe refcounting inlines calling inherited morkNode methods
+ static void SlotWeakRowMap(morkRowMap* me, morkEnv* ev, morkRowMap** ioSlot) {
+ morkNode::SlotWeakNode((morkNode*)me, ev, (morkNode**)ioSlot);
+ }
+
+ static void SlotStrongRowMap(morkRowMap* me, morkEnv* ev,
+ morkRowMap** ioSlot) {
+ morkNode::SlotStrongNode((morkNode*)me, ev, (morkNode**)ioSlot);
+ }
+};
+
+class morkRowMapIter : public morkMapIter { // typesafe wrapper class
+
+ public:
+ morkRowMapIter(morkEnv* ev, morkRowMap* ioMap) : morkMapIter(ev, ioMap) {}
+
+ morkRowMapIter() : morkMapIter() {}
+ void InitRowMapIter(morkEnv* ev, morkRowMap* ioMap) {
+ this->InitMapIter(ev, ioMap);
+ }
+
+ mork_change* FirstRow(morkEnv* ev, morkRow** outRowPtr) {
+ return this->First(ev, outRowPtr, /*val*/ (void*)0);
+ }
+
+ mork_change* NextRow(morkEnv* ev, morkRow** outRowPtr) {
+ return this->Next(ev, outRowPtr, /*val*/ (void*)0);
+ }
+
+ mork_change* HereRow(morkEnv* ev, morkRow** outRowPtr) {
+ return this->Here(ev, outRowPtr, /*val*/ (void*)0);
+ }
+
+ mork_change* CutHereRow(morkEnv* ev, morkRow** outRowPtr) {
+ return this->CutHere(ev, outRowPtr, /*val*/ (void*)0);
+ }
+};
+
+// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+#define morkDerived_kRowProbeMap /*i*/ 0x726D /* ascii 'rm' */
+
+/*| morkRowProbeMap: maps a set of morkRow by contained Oid
+|*/
+class morkRowProbeMap : public morkProbeMap { // for mapping row IDs to rows
+
+ // { ===== begin morkNode interface =====
+ public: // morkNode virtual methods
+ virtual void CloseMorkNode(
+ morkEnv* ev) override; // CloseRowProbeMap() only if open
+ virtual ~morkRowProbeMap(); // assert CloseRowProbeMap() executed earlier
+
+ public: // morkMap construction & destruction
+ morkRowProbeMap(morkEnv* ev, const morkUsage& inUsage, nsIMdbHeap* ioHeap,
+ nsIMdbHeap* ioSlotHeap, mork_size inSlots);
+ void CloseRowProbeMap(morkEnv* ev); // called by CloseMorkNode();
+
+ public: // dynamic type identification
+ mork_bool IsRowMap() const {
+ return IsNode() && mNode_Derived == morkDerived_kRowMap;
+ }
+ // } ===== end morkNode methods =====
+
+ // { ===== begin morkProbeMap methods =====
+ virtual mork_test // hit(a,b) implies hash(a) == hash(b)
+ MapTest(morkEnv* ev, const void* inMapKey,
+ const void* inAppKey) const override;
+
+ virtual mork_u4 // hit(a,b) implies hash(a) == hash(b)
+ MapHash(morkEnv* ev, const void* inAppKey) const override;
+
+ virtual mork_u4 ProbeMapHashMapKey(morkEnv* ev,
+ const void* inMapKey) const override;
+
+ // virtual mork_bool ProbeMapIsKeyNil(morkEnv* ev, void* ioMapKey);
+
+ // virtual void ProbeMapClearKey(morkEnv* ev, // put 'nil' into all keys
+ // inside map
+ // void* ioMapKey, mork_count inKeyCount); // array of keys inside map
+
+ // virtual void ProbeMapPushIn(morkEnv* ev, // move (key,val) into the map
+ // const void* inAppKey, const void* inAppVal, // (key,val) outside map
+ // void* outMapKey, void* outMapVal); // (key,val) inside map
+
+ // virtual void ProbeMapPullOut(morkEnv* ev, // move (key,val) out from the
+ // map
+ // const void* inMapKey, const void* inMapVal, // (key,val) inside map
+ // void* outAppKey, void* outAppVal) const; // (key,val) outside map
+ // } ===== end morkProbeMap methods =====
+
+ public: // other map methods
+ mork_bool AddRow(morkEnv* ev, morkRow* ioRow);
+ // AddRow() returns ev->Good()
+
+ morkRow* CutOid(morkEnv* ev, const mdbOid* inOid);
+ // CutRid() returns the row removed equal to inRid, if there was one
+
+ morkRow* CutRow(morkEnv* ev, const morkRow* ioRow);
+ // CutRow() returns the row removed equal to ioRow, if there was one
+
+ morkRow* GetOid(morkEnv* ev, const mdbOid* inOid);
+ // GetOid() returns the row equal to inRid, or else nil
+
+ morkRow* GetRow(morkEnv* ev, const morkRow* ioRow);
+ // GetRow() returns the row equal to ioRow, or else nil
+
+ // note the rows are owned elsewhere, usually by morkRowSpace
+
+ public: // typesafe refcounting inlines calling inherited morkNode methods
+ static void SlotWeakRowProbeMap(morkRowProbeMap* me, morkEnv* ev,
+ morkRowProbeMap** ioSlot) {
+ morkNode::SlotWeakNode((morkNode*)me, ev, (morkNode**)ioSlot);
+ }
+
+ static void SlotStrongRowProbeMap(morkRowProbeMap* me, morkEnv* ev,
+ morkRowProbeMap** ioSlot) {
+ morkNode::SlotStrongNode((morkNode*)me, ev, (morkNode**)ioSlot);
+ }
+};
+
+class morkRowProbeMapIter : public morkProbeMapIter { // typesafe wrapper class
+
+ public:
+ morkRowProbeMapIter(morkEnv* ev, morkRowProbeMap* ioMap)
+ : morkProbeMapIter(ev, ioMap) {}
+
+ morkRowProbeMapIter() : morkProbeMapIter() {}
+ void InitRowMapIter(morkEnv* ev, morkRowProbeMap* ioMap) {
+ this->InitMapIter(ev, ioMap);
+ }
+
+ mork_change* FirstRow(morkEnv* ev, morkRow** outRowPtr) {
+ return this->First(ev, outRowPtr, /*val*/ (void*)0);
+ }
+
+ mork_change* NextRow(morkEnv* ev, morkRow** outRowPtr) {
+ return this->Next(ev, outRowPtr, /*val*/ (void*)0);
+ }
+
+ mork_change* HereRow(morkEnv* ev, morkRow** outRowPtr) {
+ return this->Here(ev, outRowPtr, /*val*/ (void*)0);
+ }
+
+ mork_change* CutHereRow(morkEnv* ev, morkRow** outRowPtr) {
+ return this->CutHere(ev, outRowPtr, /*val*/ (void*)0);
+ }
+};
+
+// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+#endif /* _MORKROWMAP_ */
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