143 lines
4.0 KiB
C++
143 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef _MDB_
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#include "mdb.h"
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#endif
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#ifndef _MORK_
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#include "mork.h"
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#endif
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#ifndef _MORKBLOB_
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#include "morkBlob.h"
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#endif
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#ifndef _MORKENV_
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#include "morkEnv.h"
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#endif
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//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
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/*static*/ void
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morkBuf::NilBufBodyError(morkEnv* ev)
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{
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ev->NewError("nil mBuf_Body");
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}
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//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
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/*static*/ void
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morkBlob::BlobFillOverSizeError(morkEnv* ev)
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{
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ev->NewError("mBuf_Fill > mBlob_Size");
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}
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//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
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mork_bool
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morkBlob::GrowBlob(morkEnv* ev, nsIMdbHeap* ioHeap, mork_size inNewSize)
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{
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if ( ioHeap )
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{
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if ( !mBuf_Body ) // no body? implies zero sized?
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mBlob_Size = 0;
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if ( mBuf_Fill > mBlob_Size ) // fill more than size?
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{
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ev->NewWarning("mBuf_Fill > mBlob_Size");
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mBuf_Fill = mBlob_Size;
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}
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if ( inNewSize > mBlob_Size ) // need to allocate larger blob?
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{
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mork_u1* body = 0;
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ioHeap->Alloc(ev->AsMdbEnv(), inNewSize, (void**) &body);
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if ( body && ev->Good() )
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{
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void* oldBody = mBuf_Body;
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if ( mBlob_Size ) // any old content to transfer?
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MORK_MEMCPY(body, oldBody, mBlob_Size);
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mBlob_Size = inNewSize; // install new size
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mBuf_Body = body; // install new body
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if ( oldBody ) // need to free old buffer body?
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ioHeap->Free(ev->AsMdbEnv(), oldBody);
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}
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}
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}
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else
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ev->NilPointerError();
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if ( ev->Good() && mBlob_Size < inNewSize )
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ev->NewError("mBlob_Size < inNewSize");
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return ev->Good();
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}
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//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
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morkCoil::morkCoil(morkEnv* ev, nsIMdbHeap* ioHeap)
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{
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mBuf_Body = 0;
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mBuf_Fill = 0;
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mBlob_Size = 0;
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mText_Form = 0;
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mCoil_Heap = ioHeap;
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if ( !ioHeap )
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ev->NilPointerError();
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}
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void
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morkCoil::CloseCoil(morkEnv* ev)
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{
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void* body = mBuf_Body;
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nsIMdbHeap* heap = mCoil_Heap;
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mBuf_Body = 0;
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mCoil_Heap = 0;
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if ( body && heap )
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{
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heap->Free(ev->AsMdbEnv(), body);
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}
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}
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//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
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