/*************************************************************************
 *
 * 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: ZipPackageBuffer.hxx,v $
 * $Revision: 1.17 $
 *
 * 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>
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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>
#ifndef _CPPUHELPER_IMPLBASE3_HXX
#include <cppuhelper/implbase3.hxx>
#endif

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);
    ZipPackageBuffer( com::sun::star::uno::Sequence < sal_Int8 > &nNewBuffer );
    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