xmlhelp/source/cxxhelp/provider/bufferedinputstream.hxx

   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
  20 #ifndef INCLUDED_XMLHELP_SOURCE_CXXHELP_PROVIDER_BUFFEREDINPUTSTREAM_HXX
  21 #define INCLUDED_XMLHELP_SOURCE_CXXHELP_PROVIDER_BUFFEREDINPUTSTREAM_HXX
  22
  23 #include <cppuhelper/weak.hxx>
  24 #include <osl/mutex.hxx>
  25 #include <com/sun/star/io/XInputStream.hpp>
  26 #include <com/sun/star/io/XSeekable.hpp>
  27
  28
  29 namespace chelp {
  30
  31     class BufferedInputStream
  32         : public cppu::OWeakObject,
  33           public com::sun::star::io::XInputStream,
  34           public com::sun::star::io::XSeekable
  35     {
  36     private:
  37
  38         sal_Int32      m_nBufferLocation;
  39         sal_Int32      m_nBufferSize;
  40         sal_Int8      *m_pBuffer;
  41         osl::Mutex     m_aMutex;
  42
  43     public:
  44
  45         BufferedInputStream(
  46             const com::sun::star::uno::Reference<com::sun::star::io::XInputStream>& xInputStream);
  47
  48         virtual ~BufferedInputStream();
  49
  50         virtual com::sun::star::uno::Any SAL_CALL
  51         queryInterface( const com::sun::star::uno::Type& rType )
  52             throw( com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  53
  54         virtual void SAL_CALL acquire() throw() SAL_OVERRIDE;
  55
  56         virtual void SAL_CALL release() throw() SAL_OVERRIDE;
  57
  58
  59         virtual sal_Int32 SAL_CALL readBytes( com::sun::star::uno::Sequence< sal_Int8 >& aData,
  60                                               sal_Int32 nBytesToRead )
  61             throw( com::sun::star::io::NotConnectedException,
  62                    com::sun::star::io::BufferSizeExceededException,
  63                    com::sun::star::io::IOException,
  64                    com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  65
  66         virtual sal_Int32 SAL_CALL readSomeBytes( com::sun::star::uno::Sequence< sal_Int8 >& aData,
  67                                                   sal_Int32 nMaxBytesToRead )
  68             throw( com::sun::star::io::NotConnectedException,
  69                    com::sun::star::io::BufferSizeExceededException,
  70                    com::sun::star::io::IOException,
  71                    com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  72
  73         virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip )
  74             throw( com::sun::star::io::NotConnectedException,
  75                    com::sun::star::io::BufferSizeExceededException,
  76                    com::sun::star::io::IOException,
  77                    com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  78
  79         virtual sal_Int32 SAL_CALL available()
  80             throw( com::sun::star::io::NotConnectedException,
  81                    com::sun::star::io::IOException,
  82                    com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  83
  84         virtual void SAL_CALL closeInput()
  85             throw( com::sun::star::io::NotConnectedException,
  86                    com::sun::star::io::IOException,
  87                    com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  88
  89         virtual void SAL_CALL seek( sal_Int64 location )
  90             throw( com::sun::star::lang::IllegalArgumentException,
  91                    com::sun::star::io::IOException,
  92                    com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  93
  94         virtual sal_Int64 SAL_CALL getPosition()
  95             throw( com::sun::star::io::IOException,
  96                    com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
  97
  98         virtual sal_Int64 SAL_CALL getLength()
  99             throw( com::sun::star::io::IOException,
 100                    com::sun::star::uno::RuntimeException, std::exception ) SAL_OVERRIDE;
 101     };
 102
 103
 104     extern com::sun::star::uno::Reference<com::sun::star::io::XInputStream>
 105     turnToSeekable(
 106         const com::sun::star::uno::Reference<com::sun::star::io::XInputStream>& xInputStream);
 107
 108 }
 109
 110 #endif // INCLUDED_XMLHELP_SOURCE_CXXHELP_PROVIDER_BUFFEREDINPUTSTREAM_HXX
 111
 112 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */