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Diffstat (limited to '')
-rw-r--r-- | comm/mailnews/db/mork/morkRowMap.h | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/comm/mailnews/db/mork/morkRowMap.h b/comm/mailnews/db/mork/morkRowMap.h new file mode 100644 index 0000000000..d58515d4db --- /dev/null +++ b/comm/mailnews/db/mork/morkRowMap.h @@ -0,0 +1,228 @@ +/* -*- 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_ */ |