diff options
Diffstat (limited to 'comm/mailnews/db/mork/morkAtomSpace.cpp')
| -rw-r--r-- | comm/mailnews/db/mork/morkAtomSpace.cpp | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/comm/mailnews/db/mork/morkAtomSpace.cpp b/comm/mailnews/db/mork/morkAtomSpace.cpp new file mode 100644 index 0000000000..5ecdfe2b4c --- /dev/null +++ b/comm/mailnews/db/mork/morkAtomSpace.cpp @@ -0,0 +1,233 @@ +/* -*- 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 _MDB_ +# include "mdb.h" +#endif + +#ifndef _MORK_ +# include "mork.h" +#endif + +#ifndef _MORKNODE_ +# include "morkNode.h" +#endif + +#ifndef _MORKMAP_ +# include "morkMap.h" +#endif + +#ifndef _MORKSPACE_ +# include "morkSpace.h" +#endif + +#ifndef _MORKENV_ +# include "morkEnv.h" +#endif + +#ifndef _MORKSPACE_ +# include "morkSpace.h" +#endif + +#ifndef _MORKATOMSPACE_ +# include "morkAtomSpace.h" +#endif + +#ifndef _MORKPOOL_ +# include "morkPool.h" +#endif + +#ifndef _MORKSTORE_ +# include "morkStore.h" +#endif + +#ifndef _MORKATOM_ +# include "morkAtom.h" +#endif + +// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789 + +// ````` ````` ````` ````` ````` +// { ===== begin morkNode interface ===== + +/*public virtual*/ void morkAtomSpace::CloseMorkNode( + morkEnv* ev) // CloseAtomSpace() only if open +{ + if (this->IsOpenNode()) { + this->MarkClosing(); + this->CloseAtomSpace(ev); + this->MarkShut(); + } +} + +/*public virtual*/ +morkAtomSpace::~morkAtomSpace() // assert CloseAtomSpace() executed earlier +{ + MORK_ASSERT(mAtomSpace_HighUnderId == 0); + MORK_ASSERT(mAtomSpace_HighOverId == 0); + MORK_ASSERT(this->IsShutNode()); + MORK_ASSERT(mAtomSpace_AtomAids.IsShutNode()); + MORK_ASSERT(mAtomSpace_AtomBodies.IsShutNode()); +} + +/*public non-poly*/ +morkAtomSpace::morkAtomSpace(morkEnv* ev, const morkUsage& inUsage, + mork_scope inScope, morkStore* ioStore, + nsIMdbHeap* ioHeap, nsIMdbHeap* ioSlotHeap) + : morkSpace(ev, inUsage, inScope, ioStore, ioHeap, ioSlotHeap), + mAtomSpace_HighUnderId(morkAtomSpace_kMinUnderId), + mAtomSpace_HighOverId(morkAtomSpace_kMinOverId), + mAtomSpace_AtomAids(ev, morkUsage::kMember, (nsIMdbHeap*)0, ioSlotHeap), + mAtomSpace_AtomBodies(ev, morkUsage::kMember, (nsIMdbHeap*)0, + ioSlotHeap) { + // the morkSpace base constructor handles any dirty propagation + if (ev->Good()) mNode_Derived = morkDerived_kAtomSpace; +} + +/*public non-poly*/ void morkAtomSpace::CloseAtomSpace( + morkEnv* ev) // called by CloseMorkNode(); +{ + if (this->IsNode()) { + mAtomSpace_AtomBodies.CloseMorkNode(ev); + morkStore* store = mSpace_Store; + if (store) this->CutAllAtoms(ev, &store->mStore_Pool); + + mAtomSpace_AtomAids.CloseMorkNode(ev); + this->CloseSpace(ev); + mAtomSpace_HighUnderId = 0; + mAtomSpace_HighOverId = 0; + this->MarkShut(); + } else + this->NonNodeError(ev); +} + +// } ===== end morkNode methods ===== +// ````` ````` ````` ````` ````` + +/*static*/ void morkAtomSpace::NonAtomSpaceTypeError(morkEnv* ev) { + ev->NewError("non morkAtomSpace"); +} + +mork_num morkAtomSpace::CutAllAtoms(morkEnv* ev, morkPool* ioPool) { +#ifdef MORK_ENABLE_ZONE_ARENAS + MORK_USED_2(ev, ioPool); + return 0; +#else /*MORK_ENABLE_ZONE_ARENAS*/ + if (this->IsAtomSpaceClean()) this->MaybeDirtyStoreAndSpace(); + + mork_num outSlots = mAtomSpace_AtomAids.MapFill(); + morkBookAtom* a = 0; // old key atom in the map + + morkStore* store = mSpace_Store; + mork_change* c = 0; + morkAtomAidMapIter i(ev, &mAtomSpace_AtomAids); + for (c = i.FirstAtom(ev, &a); c; c = i.NextAtom(ev, &a)) { + if (a) ioPool->ZapAtom(ev, a, &store->mStore_Zone); + +# ifdef MORK_ENABLE_PROBE_MAPS + // do not cut anything from the map +# else /*MORK_ENABLE_PROBE_MAPS*/ + i.CutHereAtom(ev, /*key*/ (morkBookAtom**)0); +# endif /*MORK_ENABLE_PROBE_MAPS*/ + } + + return outSlots; +#endif /*MORK_ENABLE_ZONE_ARENAS*/ +} + +morkBookAtom* morkAtomSpace::MakeBookAtomCopyWithAid( + morkEnv* ev, const morkFarBookAtom& inAtom, mork_aid inAid) +// Make copy of inAtom and put it in both maps, using specified ID. +{ + morkBookAtom* outAtom = 0; + morkStore* store = mSpace_Store; + if (ev->Good() && store) { + morkPool* pool = this->GetSpaceStorePool(); + outAtom = pool->NewFarBookAtomCopy(ev, inAtom, &store->mStore_Zone); + if (outAtom) { + if (store->mStore_CanDirty) { + outAtom->SetAtomDirty(); + if (this->IsAtomSpaceClean()) this->MaybeDirtyStoreAndSpace(); + } + + outAtom->mBookAtom_Id = inAid; + outAtom->mBookAtom_Space = this; + mAtomSpace_AtomAids.AddAtom(ev, outAtom); + mAtomSpace_AtomBodies.AddAtom(ev, outAtom); + if (this->SpaceScope() == morkAtomSpace_kColumnScope) + outAtom->MakeCellUseForever(ev); + + if (mAtomSpace_HighUnderId <= inAid) mAtomSpace_HighUnderId = inAid + 1; + } + } + return outAtom; +} + +morkBookAtom* morkAtomSpace::MakeBookAtomCopy(morkEnv* ev, + const morkFarBookAtom& inAtom) +// make copy of inAtom and put it in both maps, using a new ID as needed. +{ + morkBookAtom* outAtom = 0; + morkStore* store = mSpace_Store; + if (ev->Good() && store) { + if (store->mStore_CanAutoAssignAtomIdentity) { + morkPool* pool = this->GetSpaceStorePool(); + morkBookAtom* atom = + pool->NewFarBookAtomCopy(ev, inAtom, &mSpace_Store->mStore_Zone); + if (atom) { + mork_aid id = this->MakeNewAtomId(ev, atom); + if (id) { + if (store->mStore_CanDirty) { + atom->SetAtomDirty(); + if (this->IsAtomSpaceClean()) this->MaybeDirtyStoreAndSpace(); + } + + outAtom = atom; + atom->mBookAtom_Space = this; + mAtomSpace_AtomAids.AddAtom(ev, atom); + mAtomSpace_AtomBodies.AddAtom(ev, atom); + if (this->SpaceScope() == morkAtomSpace_kColumnScope) + outAtom->MakeCellUseForever(ev); + } else + pool->ZapAtom(ev, atom, &mSpace_Store->mStore_Zone); + } + } else + mSpace_Store->CannotAutoAssignAtomIdentityError(ev); + } + return outAtom; +} + +mork_aid morkAtomSpace::MakeNewAtomId(morkEnv* ev, morkBookAtom* ioAtom) { + mork_aid outAid = 0; + mork_tid id = mAtomSpace_HighUnderId; + mork_num count = 8; // try up to eight times + + while (!outAid && count) // still trying to find an unused table ID? + { + --count; + ioAtom->mBookAtom_Id = id; + if (!mAtomSpace_AtomAids.GetAtom(ev, ioAtom)) + outAid = id; + else { + MORK_ASSERT(morkBool_kFalse); // alert developer about ID problems + ++id; + } + } + + mAtomSpace_HighUnderId = id + 1; + return outAid; +} + +// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789 + +morkAtomSpaceMap::~morkAtomSpaceMap() {} + +morkAtomSpaceMap::morkAtomSpaceMap(morkEnv* ev, const morkUsage& inUsage, + nsIMdbHeap* ioHeap, nsIMdbHeap* ioSlotHeap) + : morkNodeMap(ev, inUsage, ioHeap, ioSlotHeap) { + if (ev->Good()) mNode_Derived = morkDerived_kAtomSpaceMap; +} + +// 456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789 |