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#ifndef _ZIP_OUTPUT_STREAM_HXX
#define _ZIP_OUTPUT_STREAM_HXX

#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/xml/crypto/XCipherContext.hpp>
#include <com/sun/star/xml/crypto/XDigestContext.hpp>

#include <package/Deflater.hxx>
#include <ByteChucker.hxx>
#include <CRC32.hxx>

#include <vector>

struct ZipEntry;
class ZipPackageStream;
namespace rtl
{
    template < class T > class Reference;
}

class ZipOutputStream
{
protected:
    ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > m_xFactory;
    ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > xStream;

    ::std::vector < ZipEntry * >            aZipList;

    ::com::sun::star::uno::Sequence< sal_Int8 > m_aDeflateBuffer;

    ::rtl::OUString     sComment;
    ZipUtils::Deflater  aDeflater;

    ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XCipherContext > m_xCipherContext;
    ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XDigestContext > m_xDigestContext;

    CRC32               aCRC;
    ByteChucker         aChucker;
    ZipEntry            *pCurrentEntry;
    sal_Int16           nMethod, nLevel, mnDigested;
    sal_Bool            bFinished, bEncryptCurrentEntry;
    ZipPackageStream*   m_pCurrentStream;

public:
    ZipOutputStream(
        const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory,
        const ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > &xOStream );
    ~ZipOutputStream();

    // rawWrite to support a direct write to the output stream
    void SAL_CALL rawWrite( ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void SAL_CALL rawCloseEntry(  )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);

    // XZipOutputStream interfaces
    void SAL_CALL setMethod( sal_Int32 nNewMethod )
        throw(::com::sun::star::uno::RuntimeException);
    void SAL_CALL setLevel( sal_Int32 nNewLevel )
        throw(::com::sun::star::uno::RuntimeException);
    void SAL_CALL putNextEntry( ZipEntry& rEntry,
            ZipPackageStream* pStream,
            sal_Bool bEncrypt = sal_False )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void SAL_CALL closeEntry(  )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void SAL_CALL write( const ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void SAL_CALL finish(  )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    static sal_uInt32 getCurrentDosTime ( );
protected:
    void doDeflate();
    void writeEND(sal_uInt32 nOffset, sal_uInt32 nLength)
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void writeCEN( const ZipEntry &rEntry )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    void writeEXT( const ZipEntry &rEntry )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
    sal_Int32 writeLOC( const ZipEntry &rEntry )
        throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
};

#endif

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