diff options
Diffstat (limited to 'db/mork/src/morkCursor.cpp')
-rw-r--r-- | db/mork/src/morkCursor.cpp | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/db/mork/src/morkCursor.cpp b/db/mork/src/morkCursor.cpp new file mode 100644 index 000000000..f6aa59297 --- /dev/null +++ b/db/mork/src/morkCursor.cpp @@ -0,0 +1,201 @@ +/* -*- 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 _MORKENV_ +#include "morkEnv.h" +#endif + +#ifndef _MORKCURSOR_ +#include "morkCursor.h" +#endif + +//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789 + +// ````` ````` ````` ````` ````` +// { ===== begin morkNode interface ===== + +/*public virtual*/ void +morkCursor::CloseMorkNode(morkEnv* ev) // CloseCursor() only if open +{ + if ( this->IsOpenNode() ) + { + this->MarkClosing(); + this->CloseCursor(ev); + this->MarkShut(); + } +} + +/*public virtual*/ +morkCursor::~morkCursor() // assert CloseCursor() executed earlier +{ +} + +/*public non-poly*/ +morkCursor::morkCursor(morkEnv* ev, + const morkUsage& inUsage, nsIMdbHeap* ioHeap) +: morkObject(ev, inUsage, ioHeap, morkColor_kNone, (morkHandle*) 0) +, mCursor_Seed( 0 ) +, mCursor_Pos( -1 ) +, mCursor_DoFailOnSeedOutOfSync( morkBool_kFalse ) +{ + if ( ev->Good() ) + mNode_Derived = morkDerived_kCursor; +} + +NS_IMPL_ISUPPORTS_INHERITED(morkCursor, morkObject, nsIMdbCursor) + +/*public non-poly*/ void +morkCursor::CloseCursor(morkEnv* ev) // called by CloseMorkNode(); +{ + if ( this->IsNode() ) + { + mCursor_Seed = 0; + mCursor_Pos = -1; + this->MarkShut(); + } + else + this->NonNodeError(ev); +} + +// { ----- begin ref counting for well-behaved cyclic graphs ----- +NS_IMETHODIMP +morkCursor::GetWeakRefCount(nsIMdbEnv* mev, // weak refs + mdb_count* outCount) +{ + *outCount = WeakRefsOnly(); + return NS_OK; +} +NS_IMETHODIMP +morkCursor::GetStrongRefCount(nsIMdbEnv* mev, // strong refs + mdb_count* outCount) +{ + *outCount = StrongRefsOnly(); + return NS_OK; +} +// ### TODO - clean up this cast, if required +NS_IMETHODIMP +morkCursor::AddWeakRef(nsIMdbEnv* mev) +{ + // XXX Casting mork_refs to nsresult + return static_cast<nsresult>(morkNode::AddWeakRef((morkEnv *) mev)); +} + +#ifndef _MSC_VER +NS_IMETHODIMP_(mork_uses) +morkCursor::AddStrongRef(morkEnv* mev) +{ + return morkNode::AddStrongRef(mev); +} +#endif + +NS_IMETHODIMP_(mork_uses) +morkCursor::AddStrongRef(nsIMdbEnv* mev) +{ + return morkNode::AddStrongRef((morkEnv *) mev); +} + +NS_IMETHODIMP +morkCursor::CutWeakRef(nsIMdbEnv* mev) +{ + // XXX Casting mork_refs to nsresult + return static_cast<nsresult>(morkNode::CutWeakRef((morkEnv *) mev)); +} + +#ifndef _MSC_VER +NS_IMETHODIMP_(mork_uses) +morkCursor::CutStrongRef(morkEnv* mev) +{ + return morkNode::CutStrongRef(mev); +} +#endif + +NS_IMETHODIMP +morkCursor::CutStrongRef(nsIMdbEnv* mev) +{ + // XXX Casting mork_uses to nsresult + return static_cast<nsresult>(morkNode::CutStrongRef((morkEnv *) mev)); +} + +NS_IMETHODIMP +morkCursor::CloseMdbObject(nsIMdbEnv* mev) +{ + return morkNode::CloseMdbObject((morkEnv *) mev); +} + +NS_IMETHODIMP +morkCursor::IsOpenMdbObject(nsIMdbEnv* mev, mdb_bool* outOpen) +{ + *outOpen = IsOpenNode(); + return NS_OK; +} +NS_IMETHODIMP +morkCursor::IsFrozenMdbObject(nsIMdbEnv* mev, mdb_bool* outIsReadonly) +{ + *outIsReadonly = IsFrozen(); + return NS_OK; +} +// } ===== end morkNode methods ===== +// ````` ````` ````` ````` ````` + +NS_IMETHODIMP +morkCursor::GetCount(nsIMdbEnv* mev, mdb_count* outCount) +{ + NS_ASSERTION(false, "not implemented"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +morkCursor::GetSeed(nsIMdbEnv* mev, mdb_seed* outSeed) +{ + NS_ASSERTION(false, "not implemented"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +morkCursor::SetPos(nsIMdbEnv* mev, mdb_pos inPos) +{ + NS_ASSERTION(false, "not implemented"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +morkCursor::GetPos(nsIMdbEnv* mev, mdb_pos* outPos) +{ + NS_ASSERTION(false, "not implemented"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +morkCursor::SetDoFailOnSeedOutOfSync(nsIMdbEnv* mev, mdb_bool inFail) +{ + NS_ASSERTION(false, "not implemented"); + return NS_ERROR_NOT_IMPLEMENTED; +} + +NS_IMETHODIMP +morkCursor::GetDoFailOnSeedOutOfSync(nsIMdbEnv* mev, mdb_bool* outFail) +{ + NS_ASSERTION(false, "not implemented"); + return NS_ERROR_NOT_IMPLEMENTED; +} + + +//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789 |