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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).
 *
 * You should have received a copy of the GNU Lesser General Public License
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#ifndef _XUNBUFFERED_STREAM_HXX
#define _XUNBUFFERED_STREAM_HXX

#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <cppuhelper/implbase1.hxx>
#include <vos/ref.hxx>
#include <Inflater.hxx>
#include <ZipEntry.hxx>
#include <CRC32.hxx>
#include <mutexholder.hxx>

#define UNBUFF_STREAM_DATA          0
#define UNBUFF_STREAM_RAW           1
#define UNBUFF_STREAM_WRAPPEDRAW    2

class EncryptionData;
typedef void* rtlCipher;
class XUnbufferedStream : public cppu::WeakImplHelper1
<
    com::sun::star::io::XInputStream
>
{
protected:
    SotMutexHolderRef maMutexHolder;

    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::Sequence < sal_Int8 > maCompBuffer, maHeader;
    ZipEntry maEntry;
    vos::ORef < EncryptionData > mxData;
    rtlCipher maCipher;
    Inflater maInflater;
    sal_Bool mbRawStream, mbWrappedRaw, mbFinished;
    sal_Int16 mnHeaderToRead;
    sal_Int64 mnZipCurrent, mnZipEnd, mnZipSize, mnMyCurrent;
    CRC32 maCRC;
    sal_Bool mbCheckCRC;

public:
    XUnbufferedStream(
                 SotMutexHolderRef aMutexHolder,
                 ZipEntry & rEntry,
                 com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xNewZipStream,
                 const vos::ORef < EncryptionData > &rData,
                 sal_Int8 nStreamMode,
                 sal_Bool bIsEncrypted,
                 const ::rtl::OUString& aMediaType,
                 sal_Bool bRecoveryMode );

    // allows to read package raw stream
    XUnbufferedStream( const com::sun::star::uno::Reference < com::sun::star::io::XInputStream >& xRawStream,
                 const vos::ORef < EncryptionData > &rData );


    virtual ~XUnbufferedStream();

    // 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
