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Diffstat (limited to 'vos/source/stream.cxx')
-rw-r--r-- | vos/source/stream.cxx | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/vos/source/stream.cxx b/vos/source/stream.cxx new file mode 100644 index 000000000000..5f7b5b55304f --- /dev/null +++ b/vos/source/stream.cxx @@ -0,0 +1,115 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#include <limits> + +#include <osl/diagnose.h> +#include <vos/object.hxx> +#include <vos/stream.hxx> + +using namespace vos; + +///////////////////////////////////////////////////////////////////////////// +// +// Stream class +// + +VOS_IMPLEMENT_CLASSINFO(VOS_CLASSNAME(OStream, vos), VOS_NAMESPACE(OStream, vos), VOS_NAMESPACE(OObject, vos), 0); + +OStream::OStream(IPositionableStream& rStream) + : m_rStream(rStream) +{ +} + +OStream::~OStream() +{ +} + +sal_Int32 OStream::read(void* pbuffer, sal_uInt32 n) const +{ + return (m_rStream.read(pbuffer, n)); +} + +sal_Int32 OStream::read(IPositionableStream::Offset offset, + void* pbuffer, sal_uInt32 n) const +{ + return (seekTo(offset) ? read(pbuffer, n) : -1); +} + +sal_Int32 OStream::write(const void* pbuffer, sal_uInt32 n) +{ + return + n <= static_cast< sal_uInt32 >(std::numeric_limits< sal_Int32 >::max()) + && (m_rStream.write(pbuffer, n) == static_cast< sal_Int32 >(n)); +} + +sal_Int32 OStream::write(IPositionableStream::Offset offset, + const void* pbuffer, sal_uInt32 n) +{ + return (seekTo(offset) && write(pbuffer, n)); +} + +sal_Bool OStream::append(void* pbuffer, sal_uInt32 n) +{ + return (seekToEnd() && write(pbuffer, n)); +} + +sal_Bool OStream::seekTo(IPositionableStream::Offset pos) const +{ + return (m_rStream.seekTo(pos)); +} + +sal_Bool OStream::seekToEnd() const +{ + return (m_rStream.seekToEnd()); +} + +sal_Bool OStream::seekRelative(sal_Int32 change) const +{ + return (m_rStream.seekRelative(change)); +} + +sal_Bool OStream::changeSize(sal_uInt32 new_size) +{ + return (m_rStream.changeSize(new_size)); +} + +sal_uInt32 OStream::getSize() const +{ + return (m_rStream.getSize()); +} + +sal_Bool OStream::isEof() const +{ + return (m_rStream.isEof()); +} + +IPositionableStream::Offset OStream::getOffset() const +{ + return (m_rStream.getOffset()); +} + |