From 940b4d1848e8c70ab7642901a68594e8016caffc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 18:51:28 +0200 Subject: Adding upstream version 1:7.0.4. Signed-off-by: Daniel Baumann --- include/unotools/streamhelper.hxx | 66 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 include/unotools/streamhelper.hxx (limited to 'include/unotools/streamhelper.hxx') diff --git a/include/unotools/streamhelper.hxx b/include/unotools/streamhelper.hxx new file mode 100644 index 000000000..05c5a5b45 --- /dev/null +++ b/include/unotools/streamhelper.hxx @@ -0,0 +1,66 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_UNOTOOLS_STREAMHELPER_HXX +#define INCLUDED_UNOTOOLS_STREAMHELPER_HXX + +#include +#include +#include +#include +#include +#include + +namespace utl +{ + +/** + * The helper implementation for a using input streams based on SvLockBytes. + */ +class UNOTOOLS_DLLPUBLIC OInputStreamHelper final : public cppu::WeakImplHelper +{ + ::osl::Mutex m_aMutex; + SvLockBytesRef m_xLockBytes; + sal_uInt64 m_nActPos; + sal_Int32 m_nAvailable; // this is typically the chunk(buffer) size + +public: + OInputStreamHelper(const SvLockBytesRef& _xLockBytes, + sal_uInt32 _nAvailable) + :m_xLockBytes(_xLockBytes) + ,m_nActPos(0) + ,m_nAvailable(_nAvailable){} + +// css::io::XInputStream + virtual sal_Int32 SAL_CALL readBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead ) override; + virtual sal_Int32 SAL_CALL readSomeBytes( css::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead ) override; + virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip ) override; + virtual sal_Int32 SAL_CALL available( ) override; + virtual void SAL_CALL closeInput( ) override; + + virtual void SAL_CALL seek( sal_Int64 location ) override; + virtual sal_Int64 SAL_CALL getPosition( ) override; + virtual sal_Int64 SAL_CALL getLength( ) override; +}; + +} // namespace utl + +#endif // _UNOTOOLS_STREAM_WRAPPER_HXX_ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3