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

/*************************************************************************
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: XFileStream.hxx,v $
 * $Revision: 1.6 $
 *
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 * only, as published by the Free Software Foundation.
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 * 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).
 *
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#ifndef _XFILE_STREAM_HXX
#define _XFILE_STREAM_HXX

#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <cppuhelper/implbase2.hxx>
#ifndef _VOS_REF_H_
#include <vos/ref.hxx>
#endif
#ifndef _INFLATER_HXX
#include <Inflater.hxx>
#endif
#include <ZipEntry.hxx>

namespace com { namespace sun { namespace star {
    namespace io { class XOutputStream; }
} } }
class EncryptionData;
typedef void* rtlCipher;
class XFileStream : public cppu::WeakImplHelper2
<
    com::sun::star::io::XInputStream,
    com::sun::star::io::XSeekable
>
{
protected:
    com::sun::star::uno::Reference < com::sun::star::io::XInputStream > mxZipStream;
    com::sun::star::uno::Reference < com::sun::star::io::XSeekable > mxZipSeek;
    com::sun::star::uno::Reference < com::sun::star::io::XInputStream > mxTempIn;
    com::sun::star::uno::Reference < com::sun::star::io::XSeekable > mxTempSeek;
    com::sun::star::uno::Reference < com::sun::star::io::XOutputStream > mxTempOut;
    com::sun::star::uno::Sequence < sal_Int8 > maBuffer, maCompBuffer;
    ZipEntry maEntry;
    vos::ORef < EncryptionData > mxData;
    rtlCipher maCipher;
    Inflater maInflater;
    sal_Bool mbRawStream, mbFinished;
    sal_Int64 mnZipCurrent, mnZipEnd, mnZipSize;
    void fill( sal_Int64 nUntil );

public:
    XFileStream( ZipEntry & rEntry,
                 com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewZipStream,
                 com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewTempStream,
                 const vos::ORef < EncryptionData > &rData,
                 sal_Bool bRawStream,
                 sal_Bool bIsEncrypted );
    virtual ~XFileStream();

    // 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);
};
#endif