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Mozilla/mozilla/db/mork/src/orkinEnv.cpp
gerv%gerv.net 98831918fc Bug 236613: change to MPL/LGPL/GPL tri-license.
git-svn-id: svn://10.0.0.236/trunk@155044 18797224-902f-48f8-a5cc-f745e15eee43
2004-04-17 21:52:36 +00:00

489 lines
11 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef _MDB_
#include "mdb.h"
#endif
#ifndef _MORK_
#include "mork.h"
#endif
#ifndef _MORKNODE_
#include "morkNode.h"
#endif
#ifndef _MORKHANDLE_
#include "morkHandle.h"
#endif
#ifndef _MORKENV_
#include "morkEnv.h"
#endif
#ifndef _ORKINENV_
#include "orkinEnv.h"
#endif
#ifndef _ORKINHEAP_
#include "orkinHeap.h"
#endif
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/* public virtual*/
orkinEnv:: ~orkinEnv() // morkHandle destructor does everything
{
}
void orkinEnv::CloseMorkNode(morkEnv* ev) // override to clean up mork env
{
morkEnv* mev = (morkEnv*) this->mHandle_Object;
if ( mev->IsOpenNode() )
{
mev->MarkClosing();
mev->CloseEnv(ev);
mev->MarkShut();
}
morkHandle::CloseMorkNode(ev);
}
/*protected non-poly construction*/
orkinEnv::orkinEnv(morkEnv* ev, // morkUsage is morkUsage_kPool
morkHandleFace* ioFace, // must not be nil, cookie for this handle
morkEnv* ioObject) // must not be nil, the object for this handle
: morkHandle(ev, ioFace, ioObject, morkMagic_kEnv)
{
// do not modify mNode_Derived; leave it equal to morkDerived_kHandle
}
/*static */ orkinEnv*
orkinEnv::MakeEnv(morkEnv* ev, morkEnv* ioObject)
{
mork_bool isEnv = ev->IsEnv();
MORK_ASSERT(isEnv);
if ( isEnv )
{
morkHandleFace* face = ev->NewHandle(sizeof(orkinEnv));
if ( face )
return new(face) orkinEnv(ev, face, ioObject);
else
ev->OutOfMemoryError();
}
return (orkinEnv*) 0;
}
morkEnv*
orkinEnv::CanUseEnv(mork_bool inMutable, mdb_err* outErr) const
{
MORK_USED_1(inMutable);
morkEnv* outEnv = 0;
mdb_err err = morkEnv_kBadEnvError;
if ( this->IsHandle() )
{
if ( this->IsOpenNode() )
{
morkEnv* ev = (morkEnv*) this->mHandle_Object;
if ( ev && ev->IsEnv() )
{
outEnv = ev;
err = 0;
}
else
{
err = morkEnv_kNonEnvTypeError;
MORK_ASSERT(outEnv);
}
}
else
{
err = morkEnv_kNonOpenNodeError;
MORK_ASSERT(outEnv);
}
}
else
{
err = morkEnv_kNonHandleTypeError;
MORK_ASSERT(outEnv);
}
*outErr = err;
return outEnv;
}
// { ===== begin nsIMdbISupports methods =====
NS_IMPL_QUERY_INTERFACE0(orkinEnv)
/*virtual*/ nsrefcnt
orkinEnv::AddRef() // add strong ref with no
{
morkEnv* ev = mHandle_Env;
if ( ev && ev->IsEnv() )
return this->Handle_AddStrongRef(ev->AsMdbEnv());
else
return morkEnv_kNonEnvTypeError;
}
/*virtual*/ nsrefcnt
orkinEnv::Release() // cut strong ref
{
morkEnv* ev = mHandle_Env;
if ( ev && ev->IsEnv() )
return this->Handle_CutStrongRef(ev->AsMdbEnv());
else
return morkEnv_kNonEnvTypeError;
}
// } ===== end nsIMdbObject methods =====
// { ===== begin nsIMdbObject methods =====
// { ----- begin attribute methods -----
/*virtual*/ mdb_err
orkinEnv::IsFrozenMdbObject(nsIMdbEnv* mev, mdb_bool* outIsReadonly)
{
return this->Handle_IsFrozenMdbObject(mev, outIsReadonly);
}
// same as nsIMdbPort::GetIsPortReadonly() when this object is inside a port.
// } ----- end attribute methods -----
// { ----- begin factory methods -----
/*virtual*/ mdb_err
orkinEnv::GetMdbFactory(nsIMdbEnv* mev, nsIMdbFactory** acqFactory)
{
return this->Handle_GetMdbFactory(mev, acqFactory);
}
// } ----- end factory methods -----
// { ----- begin ref counting for well-behaved cyclic graphs -----
/*virtual*/ mdb_err
orkinEnv::GetWeakRefCount(nsIMdbEnv* mev, // weak refs
mdb_count* outCount)
{
return this->Handle_GetWeakRefCount(mev, outCount);
}
/*virtual*/ mdb_err
orkinEnv::GetStrongRefCount(nsIMdbEnv* mev, // strong refs
mdb_count* outCount)
{
return this->Handle_GetStrongRefCount(mev, outCount);
}
/*virtual*/ mdb_err
orkinEnv::AddWeakRef(nsIMdbEnv* mev)
{
return this->Handle_AddWeakRef(mev);
}
/*virtual*/ mdb_err
orkinEnv::AddStrongRef(nsIMdbEnv* mev)
{
return this->Handle_AddStrongRef(mev);
}
/*virtual*/ mdb_err
orkinEnv::CutWeakRef(nsIMdbEnv* mev)
{
return this->Handle_CutWeakRef(mev);
}
/*virtual*/ mdb_err
orkinEnv::CutStrongRef(nsIMdbEnv* mev)
{
return this->Handle_CutStrongRef(mev);
}
/*virtual*/ mdb_err
orkinEnv::CloseMdbObject(nsIMdbEnv* mev)
{
morkEnv* ev = (morkEnv*) this->mHandle_Object;
mdb_err ret = this->Handle_CloseMdbObject(mev);
if (ev && ev->mEnv_Heap)
{
mork_bool ownsHeap = ev->mEnv_OwnsHeap;
nsIMdbHeap*saveHeap = ev->mEnv_Heap;
ev->mEnv_Heap->Free(this, ev);
if (ownsHeap)
{
#ifdef MORK_DEBUG_HEAP_STATS
printf("%d blocks remaining \n", ((orkinHeap *) saveHeap)->HeapBlockCount());
#endif // MORK_DEBUG_HEAP_STATS
delete saveHeap;
}
}
return ret;
}
/*virtual*/ mdb_err
orkinEnv::IsOpenMdbObject(nsIMdbEnv* mev, mdb_bool* outOpen)
{
return this->Handle_IsOpenMdbObject(mev, outOpen);
}
// } ----- end ref counting -----
// } ===== end nsIMdbObject methods =====
// { ===== begin nsIMdbEnv methods =====
// { ----- begin attribute methods -----
/*virtual*/ mdb_err
orkinEnv::GetErrorCount(mdb_count* outCount,
mdb_bool* outShouldAbort)
{
mdb_err outErr = 0;
mdb_count count = 1;
mork_bool shouldAbort = morkBool_kFalse;
morkEnv* ev = this->CanUseEnv(/*inMutable*/ morkBool_kFalse, &outErr);
if ( ev )
{
count = (mdb_count) ev->mEnv_ErrorCount;
shouldAbort = ev->mEnv_ShouldAbort;
}
if ( outCount )
*outCount = count;
if ( outShouldAbort )
*outShouldAbort = shouldAbort;
return outErr;
}
/*virtual*/ mdb_err
orkinEnv::GetWarningCount(mdb_count* outCount,
mdb_bool* outShouldAbort)
{
mdb_err outErr = 0;
mdb_count count = 1;
mork_bool shouldAbort = morkBool_kFalse;
morkEnv* ev = this->CanUseEnv(/*inMutable*/ morkBool_kFalse, &outErr);
if ( ev )
{
count = (mdb_count) ev->mEnv_WarningCount;
shouldAbort = ev->mEnv_ShouldAbort;
}
if ( outCount )
*outCount = count;
if ( outShouldAbort )
*outShouldAbort = shouldAbort;
return outErr;
}
/*virtual*/ mdb_err
orkinEnv::GetEnvBeVerbose(mdb_bool* outBeVerbose)
{
mdb_err outErr = 0;
mork_bool beVerbose = morkBool_kFalse;
morkEnv* ev = this->CanUseEnv(/*inMutable*/ morkBool_kFalse, &outErr);
if ( ev )
{
beVerbose = ev->mEnv_BeVerbose;
}
if ( outBeVerbose )
*outBeVerbose = beVerbose;
return outErr;
}
/*virtual*/ mdb_err
orkinEnv::SetEnvBeVerbose(mdb_bool inBeVerbose)
{
mdb_err outErr = 0;
morkEnv* ev = this->CanUseEnv(/*inMutable*/ morkBool_kTrue, &outErr);
if ( ev )
{
ev->mEnv_BeVerbose = inBeVerbose;
}
return outErr;
}
/*virtual*/ mdb_err
orkinEnv::GetDoTrace(mdb_bool* outDoTrace)
{
mdb_err outErr = 0;
mork_bool doTrace = morkBool_kFalse;
morkEnv* ev = this->CanUseEnv(/*inMutable*/ morkBool_kFalse, &outErr);
if ( ev )
{
doTrace = ev->mEnv_DoTrace;
}
if ( outDoTrace )
*outDoTrace = doTrace;
return outErr;
}
/*virtual*/ mdb_err
orkinEnv::SetDoTrace(mdb_bool inDoTrace)
{
mdb_err outErr = 0;
morkEnv* ev = this->CanUseEnv(/*inMutable*/ morkBool_kTrue, &outErr);
if ( ev )
{
ev->mEnv_DoTrace = inDoTrace;
}
return outErr;
}
/*virtual*/ mdb_err
orkinEnv::GetAutoClear(mdb_bool* outAutoClear)
{
mdb_err outErr = 0;
mork_bool autoClear = morkBool_kFalse;
morkEnv* ev = this->CanUseEnv(/*inMutable*/ morkBool_kFalse, &outErr);
if ( ev )
{
autoClear = ev->DoAutoClear();
}
if ( outAutoClear )
*outAutoClear = autoClear;
return outErr;
}
/*virtual*/ mdb_err
orkinEnv::SetAutoClear(mdb_bool inAutoClear)
{
mdb_err outErr = 0;
morkEnv* ev = this->CanUseEnv(/*inMutable*/ morkBool_kTrue, &outErr);
if ( ev )
{
if ( inAutoClear )
ev->EnableAutoClear();
else
ev->DisableAutoClear();
}
return outErr;
}
/*virtual*/ mdb_err
orkinEnv::GetErrorHook(nsIMdbErrorHook** acqErrorHook)
{
mdb_err outErr = 0;
nsIMdbErrorHook* outErrorHook = 0;
morkEnv* ev = this->CanUseEnv(/*inMutable*/ morkBool_kFalse, &outErr);
if ( ev )
{
outErrorHook = ev->mEnv_ErrorHook;
}
if ( acqErrorHook )
*acqErrorHook = outErrorHook;
return outErr;
}
/*virtual*/ mdb_err
orkinEnv::SetErrorHook(
nsIMdbErrorHook* ioErrorHook) // becomes referenced
{
mdb_err outErr = 0;
morkEnv* ev = this->CanUseEnv(/*inMutable*/ morkBool_kTrue, &outErr);
if ( ev )
{
ev->mEnv_ErrorHook = ioErrorHook;
}
return outErr;
}
/*virtual*/ mdb_err
orkinEnv::GetHeap(nsIMdbHeap** acqHeap)
{
mdb_err outErr = 0;
nsIMdbHeap* outHeap = 0;
morkEnv* ev = this->CanUseEnv(/*inMutable*/ morkBool_kFalse, &outErr);
if ( ev )
{
nsIMdbHeap* heap = ev->mEnv_Heap;
if ( heap && heap->HeapAddStrongRef(this) == 0 )
outHeap = heap;
}
if ( acqHeap )
*acqHeap = outHeap;
return outErr;
}
/*virtual*/ mdb_err
orkinEnv::SetHeap(
nsIMdbHeap* ioHeap) // becomes referenced
{
mdb_err outErr = 0;
morkEnv* ev = this->CanUseEnv(/*inMutable*/ morkBool_kTrue, &outErr);
if ( ev )
{
nsIMdbHeap_SlotStrongHeap(ioHeap, ev, &ev->mEnv_Heap);
}
return outErr;
}
// } ----- end attribute methods -----
/*virtual*/ mdb_err
orkinEnv::ClearErrors() // clear errors beore re-entering db API
{
mdb_err outErr = 0;
morkEnv* ev = this->CanUseEnv(/*inMutable*/ morkBool_kTrue, &outErr);
if ( ev )
{
ev->mEnv_ErrorCount = 0;
ev->mEnv_ErrorCode = 0;
ev->mEnv_ShouldAbort = morkBool_kFalse;
}
return outErr;
}
/*virtual*/ mdb_err
orkinEnv::ClearWarnings() // clear warning
{
mdb_err outErr = 0;
morkEnv* ev = this->CanUseEnv(/*inMutable*/ morkBool_kTrue, &outErr);
if ( ev )
{
ev->mEnv_WarningCount = 0;
}
return outErr;
}
/*virtual*/ mdb_err
orkinEnv::ClearErrorsAndWarnings() // clear both errors & warnings
{
mdb_err outErr = 0;
morkEnv* ev = this->CanUseEnv(/*inMutable*/ morkBool_kTrue, &outErr);
if ( ev )
{
ev->ClearMorkErrorsAndWarnings();
}
return outErr;
}
// } ===== end nsIMdbEnv methods =====
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