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#ifndef _ZIP_PACKAGE_BUFFER_HXX
#define _ZIP_PACKAGE_BUFFER_HXX

#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <cppuhelper/implbase3.hxx>

class ZipPackage;

class ZipPackageBuffer : public ::cppu::WeakImplHelper3
<
    com::sun::star::io::XInputStream,
    com::sun::star::io::XOutputStream,
    com::sun::star::io::XSeekable
>
{
protected:
    com::sun::star::uno::Sequence < sal_Int8 > m_aBuffer;
    sal_Int64 m_nBufferSize, m_nEnd, m_nCurrent;
    sal_Bool m_bMustInitBuffer;
public:
    ZipPackageBuffer(sal_Int64 nNewBufferSize);
    virtual ~ZipPackageBuffer(void);

    inline void realloc ( sal_Int32 nSize ) { m_aBuffer.realloc ( nSize ); }
    inline const sal_Int8 * getConstArray () const { return m_aBuffer.getConstArray(); }
    inline const com::sun::star::uno::Sequence < sal_Int8> getSequence () const { return m_aBuffer; }

    // 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);
    // XOutputStream
    virtual void SAL_CALL writeBytes( const ::com::sun::star::uno::Sequence< sal_Int8 >& aData )
        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 flush(  )
        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 closeOutput(  )
        throw(::com::sun::star::io::NotConnectedException, ::com::sun::star::io::BufferSizeExceededException, ::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

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