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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       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             : #ifndef INCLUDED_PACKAGE_INC_BYTEGRABBER_HXX
      20             : #define INCLUDED_PACKAGE_INC_BYTEGRABBER_HXX
      21             : 
      22             : #include <com/sun/star/uno/Sequence.h>
      23             : #include <com/sun/star/uno/Reference.h>
      24             : #include <com/sun/star/io/BufferSizeExceededException.hpp>
      25             : #include <com/sun/star/io/IOException.hpp>
      26             : #include <com/sun/star/io/NotConnectedException.hpp>
      27             : #include <com/sun/star/uno/RuntimeException.hpp>
      28             : #include <com/sun/star/lang/IllegalArgumentException.hpp>
      29             : 
      30             : #include <osl/mutex.hxx>
      31             : 
      32             : namespace com { namespace sun { namespace star {
      33             :     namespace io { class XSeekable; class XInputStream; }
      34             : } } }
      35             : class ByteGrabber
      36             : {
      37             : protected:
      38             :     ::osl::Mutex m_aMutex;
      39             : 
      40             :     com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xStream;
      41             :     com::sun::star::uno::Reference < com::sun::star::io::XSeekable > xSeek;
      42             :     com::sun::star::uno::Sequence < sal_Int8 > aSequence;
      43             :     const sal_Int8 *pSequence;
      44             : 
      45             : public:
      46             :     ByteGrabber (com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xIstream);
      47             :     ~ByteGrabber();
      48             : 
      49             :     void setInputStream (com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewStream);
      50             :     // XInputStream
      51             :     sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
      52             :         throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
      53             :     // XSeekable
      54             :     sal_Int64 SAL_CALL seek( sal_Int64 location )
      55             :         throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
      56             :     sal_Int64 SAL_CALL getPosition(  )
      57             :         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
      58             :     sal_Int64 SAL_CALL getLength(  )
      59             :         throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
      60             : 
      61             :     sal_uInt16 ReadUInt16();
      62             :     sal_uInt32 ReadUInt32();
      63      271015 :     sal_Int16 ReadInt16()
      64             :     {
      65      271015 :         return static_cast<sal_Int16>(ReadUInt16());
      66             :     }
      67      295151 :     sal_Int32 ReadInt32()
      68             :     {
      69      295151 :         return static_cast<sal_Int32>(ReadUInt32());
      70             :     }
      71             : };
      72             : 
      73             : #endif
      74             : 
      75             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */