include/svl/strmadpt.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef SVTOOLS_STRMADPT_HXX
  21 #define SVTOOLS_STRMADPT_HXX
  22
  23 #include "svl/svldllapi.h"
  24 #include <com/sun/star/io/XInputStream.hpp>
  25 #include <com/sun/star/io/XOutputStream.hpp>
  26 #include <com/sun/star/io/XSeekable.hpp>
  27 #include <cppuhelper/weak.hxx>
  28 #include <tools/stream.hxx>
  29
  30 //============================================================================
  31 class SVL_DLLPUBLIC SvOutputStreamOpenLockBytes: public SvOpenLockBytes
  32 {
  33     com::sun::star::uno::Reference< com::sun::star::io::XOutputStream >
  34         m_xOutputStream;
  35     sal_uInt32 m_nPosition;
  36
  37 public:
  38     TYPEINFO();
  39
  40     SvOutputStreamOpenLockBytes(
  41             const com::sun::star::uno::Reference<
  42                       com::sun::star::io::XOutputStream > &
  43                 rTheOutputStream):
  44         m_xOutputStream(rTheOutputStream), m_nPosition(0) {}
  45
  46     virtual ErrCode ReadAt(sal_uLong, void *, sal_uLong, sal_uLong *) const;
  47
  48     virtual ErrCode WriteAt(sal_uLong nPos, const void * pBuffer, sal_uLong nCount,
  49                             sal_uLong * pWritten);
  50
  51     virtual ErrCode Flush() const;
  52
  53     virtual ErrCode SetSize(sal_uLong);
  54
  55     virtual ErrCode Stat(SvLockBytesStat * pStat, SvLockBytesStatFlag) const;
  56
  57     virtual ErrCode FillAppend(const void * pBuffer, sal_uLong nCount,
  58                                sal_uLong * pWritten);
  59
  60     virtual sal_uLong Tell() const;
  61
  62     virtual sal_uLong Seek(sal_uLong);
  63
  64     virtual void Terminate();
  65 };
  66
  67 //============================================================================
  68 class SVL_DLLPUBLIC SvLockBytesInputStream: public cppu::OWeakObject,
  69                               public com::sun::star::io::XInputStream,
  70                               public com::sun::star::io::XSeekable
  71 {
  72     SvLockBytesRef m_xLockBytes;
  73     sal_Int64 m_nPosition;
  74
  75 public:
  76     SvLockBytesInputStream(SvLockBytes * pTheLockBytes):
  77         m_xLockBytes(pTheLockBytes), m_nPosition(0) {}
  78
  79     virtual com::sun::star::uno::Any SAL_CALL
  80     queryInterface(const com::sun::star::uno::Type & rType)
  81         throw (com::sun::star::uno::RuntimeException);
  82
  83     virtual void SAL_CALL acquire() throw();
  84
  85     virtual void SAL_CALL release() throw();
  86
  87     virtual sal_Int32 SAL_CALL
  88     readBytes(com::sun::star::uno::Sequence< sal_Int8 > & rData,
  89               sal_Int32 nBytesToRead)
  90         throw (com::sun::star::io::IOException,
  91                com::sun::star::uno::RuntimeException);
  92
  93     virtual sal_Int32 SAL_CALL
  94     readSomeBytes(com::sun::star::uno::Sequence< sal_Int8 > & rData,
  95                   sal_Int32 nMaxBytesToRead)
  96         throw (com::sun::star::io::IOException,
  97                com::sun::star::uno::RuntimeException);
  98
  99     virtual void SAL_CALL skipBytes(sal_Int32 nBytesToSkip)
 100         throw (com::sun::star::io::IOException,
 101                com::sun::star::uno::RuntimeException);
 102
 103     virtual sal_Int32 SAL_CALL available()
 104         throw (com::sun::star::io::IOException,
 105                com::sun::star::uno::RuntimeException);
 106
 107     virtual void SAL_CALL closeInput()
 108         throw (com::sun::star::io::IOException,
 109                com::sun::star::uno::RuntimeException);
 110
 111     virtual void SAL_CALL seek(sal_Int64 nLocation)
 112         throw (com::sun::star::lang::IllegalArgumentException,
 113                com::sun::star::io::IOException,
 114                com::sun::star::uno::RuntimeException);
 115
 116     virtual sal_Int64 SAL_CALL getPosition()
 117         throw (com::sun::star::io::IOException,
 118                com::sun::star::uno::RuntimeException);
 119
 120     virtual sal_Int64 SAL_CALL getLength()
 121         throw (com::sun::star::io::IOException,
 122                com::sun::star::uno::RuntimeException);
 123 };
 124
 125 #endif // SVTOOLS_STRMADPT_HXX
 126
 127 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */