| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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()); |
| } |
| |