office-gobmx/package/source/zipapi/EntryInputStream.hxx

86 lines
4.5 KiB
C++

/*************************************************************************
*
* 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.
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************************************************************************/
#ifndef _ENTRY_INPUT_STREAM_HXX
#define _ENTRY_INPUT_STREAM_HXX
#include <cppuhelper/implbase2.hxx> // helper for implementations
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <Inflater.hxx>
#include <com/sun/star/packages/zip/ZipEntry.hpp>
#ifndef _VOS_REF_H_
#include <vos/ref.hxx>
#endif
#ifndef _ENCRYPTION_DATA_HXX
#include <EncryptionData.hxx>
#endif
class EntryInputStream : public cppu::WeakImplHelper2< com::sun::star::io::XInputStream,
com::sun::star::io::XSeekable >
{
protected:
com::sun::star::uno::Reference< com::sun::star::io::XInputStream > xStream;
com::sun::star::uno::Reference< com::sun::star::io::XSeekable > xSeek;
sal_Int64 nEnd, nCurrent, nUncompressedSize;
sal_Bool bRawStream, bHaveInMemory, bEncrypted;
com::sun::star::uno::Sequence < sal_Int8 > aBuffer;
const vos::ORef < EncryptionData > xEncryptionData;
const com::sun::star::packages::zip::ZipEntry aEntry;
Inflater aInflater;
void readIntoMemory()
throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
public:
EntryInputStream( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xInput,
const com::sun::star::packages::zip::ZipEntry &rNewEntry,
const vos::ORef < EncryptionData > &xEncryptData,
sal_Bool bGetRawStream = sal_False);
virtual ~EntryInputStream();
// XInputStream
virtual sal_Int32 SAL_CALL readBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nBytesToRead )
throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL readSomeBytes( ::com::sun::star::uno::Sequence< sal_Int8 >& aData, sal_Int32 nMaxBytesToRead )
throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL 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);
virtual sal_Int32 SAL_CALL available( )
throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL closeInput( )
throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
// XSeekable
virtual void SAL_CALL seek( sal_Int64 location )
throw(::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
virtual sal_Int64 SAL_CALL getPosition( )
throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
virtual sal_Int64 SAL_CALL getLength( )
throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
/*
private:
void fill( void );
*/
};
#endif