package/source/xstor/selfterminatefilestream.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_PACKAGE_SOURCE_XSTOR_SELFTERMINATEFILESTREAM_HXX
  21 #define INCLUDED_PACKAGE_SOURCE_XSTOR_SELFTERMINATEFILESTREAM_HXX
  22
  23 #include <com/sun/star/io/XInputStream.hpp>
  24 #include <com/sun/star/io/XSeekable.hpp>
  25 #include <com/sun/star/ucb/XSimpleFileAccess3.hpp>
  26 #include <com/sun/star/uno/XComponentContext.hpp>
  27 #include <comphelper/bytereader.hxx>
  28 #include <cppuhelper/implbase.hxx>
  29 #include <unotools/streamwrap.hxx>
  30 #include <unotools/tempfile.hxx>
  31 #include <rtl/ref.hxx>
  32 #include <optional>
  33
  34 struct OWriteStream_Impl;
  35
  36 class OSelfTerminateFileStream final : public cppu::WeakImplHelper< css::io::XInputStream,
  37                                                                css::io::XSeekable >,
  38                                         public comphelper::ByteReader
  39 {
  40     std::optional<utl::TempFileFast> m_oTempFile;
  41     rtl::Reference< utl::OSeekableInputStreamWrapper > m_xStreamWrapper;
  42
  43 public:
  44     OSelfTerminateFileStream( const css::uno::Reference< css::uno::XComponentContext >& xContext, utl::TempFileFast aTempFile );
  45
  46     virtual ~OSelfTerminateFileStream() override;
  47
  48     void CloseStreamDeleteFile();
  49
  50     // XInputStream
  51     virtual sal_Int32 SAL_CALL readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) override;
  52     virtual sal_Int32 SAL_CALL readSomeBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) override;
  53     virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) override;
  54     virtual sal_Int32 SAL_CALL available() override;
  55     virtual void SAL_CALL closeInput() override;
  56
  57     //XSeekable
  58     virtual void SAL_CALL seek( sal_Int64 location ) override;
  59     virtual sal_Int64 SAL_CALL getPosition() override;
  60     virtual sal_Int64 SAL_CALL getLength() override;
  61
  62     // comphelper::ByteReader
  63     virtual sal_Int32 readSomeBytes(sal_Int8* aData, sal_Int32 nBytesToRead) override;
  64 };
  65
  66 #endif
  67
  68 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */