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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
commit940b4d1848e8c70ab7642901a68594e8016caffc (patch)
treeeb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /lotuswordpro/inc/lwpobjstrm.hxx
parentInitial commit. (diff)
downloadlibreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz
libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source 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.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: IBM Corporation
+ *
+ * Copyright: 2008 by IBM Corporation
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+/*************************************************************************
+ * @file
+ * object stream header file
+ * stream for one LwpObject body data
+ ************************************************************************/
+
+#ifndef INCLUDED_LOTUSWORDPRO_INC_LWPOBJSTRM_HXX
+#define INCLUDED_LOTUSWORDPRO_INC_LWPOBJSTRM_HXX
+
+#include <config_lgpl.h>
+
+#include <rtl/ustring.hxx>
+#include <vector>
+
+#include "lwpsvstream.hxx"
+
+/**
+ * @brief stream class for LwpObject body data
+ * provide stream like interface to read object data
+*/
+class LwpObjectStream
+{
+public:
+ LwpObjectStream(LwpSvStream *pStrm, bool isCompressed, sal_uInt16 size);
+ ~LwpObjectStream();
+private:
+ sal_uInt8* m_pContentBuf; //The content buffer of the object
+ sal_uInt8 m_SmallBuffer[100]; //To avoid frequent new
+ std::vector<sal_uInt8> m_BigBuffer; //otherwise use this
+ enum
+ {
+ IO_BUFFERSIZE = 0xFF00 //Refer to LWP, not sure if it is enough
+ };
+ sal_uInt16 m_nBufSize; //The total size of m_pContentBuf
+ sal_uInt16 m_nReadPos; //The position of the quick read
+ LwpSvStream* m_pStrm;
+ bool m_bCompressed;
+public:
+ sal_uInt16 remainingSize() const;
+ sal_uInt16 QuickRead(void* buf, sal_uInt16 len);
+ sal_uInt16 GetPos() const { return m_nReadPos; }
+ void SeekRel(sal_uInt16 pos);
+ void Seek( sal_uInt16 pos);
+ void SkipExtra();
+ sal_uInt16 CheckExtra();
+
+ bool QuickReadBool();
+ sal_uInt32 QuickReaduInt32(bool *pFailure=nullptr);
+ sal_uInt16 QuickReaduInt16(bool *pFailure=nullptr);
+ sal_uInt8 QuickReaduInt8(bool *pFailure=nullptr);
+ sal_Int32 QuickReadInt32();
+ sal_Int16 QuickReadInt16();
+ double QuickReadDouble();
+
+ OUString QuickReadStringPtr();
+
+ void ReadComplete();
+ LwpSvStream *GetStream();
+private:
+ void Read2Buffer();
+ sal_uInt8* AllocBuffer(sal_uInt16 size);
+ static sal_uInt16 DecompressBuffer(sal_uInt8* pDst, sal_uInt8* pSrc, sal_uInt16 Size);
+ void ReleaseBuffer();
+};
+
+inline LwpSvStream *LwpObjectStream::GetStream()
+{
+ return m_pStrm;
+}
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */