/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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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);
	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