ucb/source/ucp/cmis/std_inputstream.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
  10 #pragma once
  11
  12 #include <boost/shared_ptr.hpp>
  13 #include <istream>
  14
  15 #include <osl/mutex.hxx>
  16 #include <cppuhelper/weak.hxx>
  17 #include <com/sun/star/io/XInputStream.hpp>
  18 #include <com/sun/star/io/XSeekable.hpp>
  19
  20 namespace cmis
  21 {
  22     /** Implements a seekable InputStream
  23      *  working on an std::istream
  24      */
  25     class StdInputStream
  26         : public cppu::OWeakObject,
  27           public css::io::XInputStream,
  28           public css::io::XSeekable
  29     {
  30         public:
  31
  32             StdInputStream( boost::shared_ptr< std::istream > const & pStream );
  33
  34             virtual ~StdInputStream() override;
  35
  36             virtual css::uno::Any SAL_CALL queryInterface ( const css::uno::Type& rType ) override;
  37
  38             virtual void SAL_CALL acquire( ) noexcept override;
  39
  40             virtual void SAL_CALL release( ) noexcept override;
  41
  42             virtual sal_Int32 SAL_CALL
  43             readBytes ( css::uno::Sequence< sal_Int8 >& aData,
  44                         sal_Int32 nBytesToRead ) override;
  45
  46             virtual sal_Int32 SAL_CALL
  47             readSomeBytes ( css::uno::Sequence< sal_Int8 >& aData,
  48                            sal_Int32 nMaxBytesToRead ) override;
  49
  50             virtual void SAL_CALL
  51             skipBytes ( sal_Int32 nBytesToSkip ) override;
  52
  53             virtual sal_Int32 SAL_CALL
  54             available ( ) override;
  55
  56             virtual void SAL_CALL
  57             closeInput ( ) override;
  58
  59
  60             /** XSeekable
  61              */
  62
  63             virtual void SAL_CALL
  64             seek ( sal_Int64 location ) override;
  65
  66
  67             virtual sal_Int64 SAL_CALL
  68             getPosition ( ) override;
  69
  70
  71             virtual sal_Int64 SAL_CALL
  72             getLength ( ) override;
  73
  74         private:
  75
  76             osl::Mutex m_aMutex;
  77             boost::shared_ptr< std::istream > m_pStream;
  78             sal_Int64 m_nLength;
  79     };
  80
  81 }
  82
  83 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */