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 #ifndef INCLUDED_UCB_SOURCE_UCP_CMIS_STD_INPUTSTREAM_HXX
  11 #define INCLUDED_UCB_SOURCE_UCP_CMIS_STD_INPUTSTREAM_HXX
  12
  13 #include <boost/shared_ptr.hpp>
  14 #include <istream>
  15
  16 #include <osl/mutex.hxx>
  17 #include <cppuhelper/weak.hxx>
  18 #include <com/sun/star/io/XInputStream.hpp>
  19 #include <com/sun/star/io/XSeekable.hpp>
  20
  21 namespace cmis
  22 {
  23     /** Implements a seekable InputStream
  24      *  working on an std::istream
  25      */
  26     class StdInputStream
  27         : public cppu::OWeakObject,
  28           public css::io::XInputStream,
  29           public css::io::XSeekable
  30     {
  31         public:
  32
  33             StdInputStream( boost::shared_ptr< std::istream > const & pStream );
  34
  35             virtual ~StdInputStream() override;
  36
  37             virtual css::uno::Any SAL_CALL queryInterface ( const css::uno::Type& rType ) override;
  38
  39             virtual void SAL_CALL acquire( ) throw ( ) override;
  40
  41             virtual void SAL_CALL release( ) throw ( ) override;
  42
  43             virtual sal_Int32 SAL_CALL
  44             readBytes ( css::uno::Sequence< sal_Int8 >& aData,
  45                         sal_Int32 nBytesToRead ) override;
  46
  47             virtual sal_Int32 SAL_CALL
  48             readSomeBytes ( css::uno::Sequence< sal_Int8 >& aData,
  49                            sal_Int32 nMaxBytesToRead ) override;
  50
  51             virtual void SAL_CALL
  52             skipBytes ( sal_Int32 nBytesToSkip ) override;
  53
  54             virtual sal_Int32 SAL_CALL
  55             available ( ) override;
  56
  57             virtual void SAL_CALL
  58             closeInput ( ) override;
  59
  60
  61             /** XSeekable
  62              */
  63
  64             virtual void SAL_CALL
  65             seek ( sal_Int64 location ) override;
  66
  67
  68             virtual sal_Int64 SAL_CALL
  69             getPosition ( ) override;
  70
  71
  72             virtual sal_Int64 SAL_CALL
  73             getLength ( ) override;
  74
  75         private:
  76
  77             osl::Mutex m_aMutex;
  78             boost::shared_ptr< std::istream > m_pStream;
  79             sal_Int64 m_nLength;
  80     };
  81
  82 }
  83
  84 #endif
  85
  86 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */