| /************************************************************** |
| * |
| * 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. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_toolkit.hxx" |
| |
| |
| #include <toolkit/helper/unomemorystream.hxx> |
| #include <algorithm> |
| |
| // ---------------------------------------------------- |
| // class UnoMemoryStream |
| // ---------------------------------------------------- |
| UnoMemoryStream::UnoMemoryStream( sal_uInt32 nInitSize, sal_uInt32 nInitResize ) |
| : SvMemoryStream( nInitSize, nInitResize ) |
| { |
| } |
| |
| // ::com::sun::star::uno::XInterface |
| ::com::sun::star::uno::Any UnoMemoryStream::queryInterface( const ::com::sun::star::uno::Type & rType ) throw(::com::sun::star::uno::RuntimeException) |
| { |
| ::com::sun::star::uno::Any aRet = ::cppu::queryInterface( rType, |
| SAL_STATIC_CAST( ::com::sun::star::io::XInputStream*, this ) ); |
| return (aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType )); |
| } |
| |
| |
| // ::com::sun::star::io::XInputStream |
| sal_Int32 UnoMemoryStream::readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& rData, sal_Int32 nBytesToRead ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException) |
| { |
| ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); |
| |
| sal_Int32 nRead = available(); |
| if ( nRead > nBytesToRead ) |
| nRead = nBytesToRead; |
| |
| rData = ::com::sun::star::uno::Sequence< sal_Int8 >( nRead ); |
| Read( rData.getArray(), nRead ); |
| |
| return nRead; |
| } |
| |
| sal_Int32 UnoMemoryStream::readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& rData, sal_Int32 nMaxBytesToRead ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException) |
| { |
| ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); |
| |
| sal_Int32 nAvailable = available(); |
| if( nAvailable ) |
| { |
| return readBytes( rData, std::min( nMaxBytesToRead , nAvailable ) ); |
| } |
| else |
| { |
| // Not the most effective method, but it sticks to the specification |
| return readBytes( rData, 1 ); |
| } |
| } |
| |
| void UnoMemoryStream::skipBytes( sal_Int32 nBytesToSkip ) throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException) |
| { |
| ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); |
| |
| SeekRel( nBytesToSkip ); |
| } |
| |
| sal_Int32 UnoMemoryStream::available() throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException) |
| { |
| ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() ); |
| |
| sal_uInt32 nStreamPos = Tell(); |
| sal_uInt32 nEnd = Seek( STREAM_SEEK_TO_END ); |
| Seek( nStreamPos ); |
| return nEnd - nStreamPos; |
| } |
| |
| void UnoMemoryStream::closeInput() throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException) |
| { |
| // nothing to do |
| } |
| |
| |
| |
| |
| |