Deflater.h

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/*
 * 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 under the License.
 */

#ifndef _DECAF_UTI_ZIP_DEFLATER_H_
#define _DECAF_UTI_ZIP_DEFLATER_H_

#include <decaf/util/Config.h>

#include <decaf/lang/exceptions/NullPointerException.h>
#include <decaf/lang/exceptions/IllegalArgumentException.h>
#include <decaf/lang/exceptions/IllegalStateException.h>
#include <decaf/lang/exceptions/IndexOutOfBoundsException.h>

#include <vector>

namespace decaf {
namespace util {
namespace zip {

    class DeflaterData;

    class DECAF_API Deflater {
    public:

        static const int BEST_SPEED;

        static const int BEST_COMPRESSION;

        static const int DEFAULT_COMPRESSION;

        static const int DEFLATED;

        static const int NO_COMPRESSION;

        static const int FILTERED;

        static const int HUFFMAN_ONLY;

        static const int DEFAULT_STRATEGY;

    private:

        // Class internal data used during compression.
        DeflaterData* data;

    private:

        Deflater( const Deflater& );
        Deflater operator= ( const Deflater& );

    public:

        Deflater( int level, bool nowrap = false );

        Deflater();

        virtual ~Deflater();

        void setInput( const unsigned char* buffer, int size, int offset, int length );

        void setInput( const std::vector<unsigned char>& buffer, int offset, int length );

        void setInput( const std::vector<unsigned char>& buffer );

        void setDictionary( const unsigned char* buffer, int size, int offset, int length );

        void setDictionary( const std::vector<unsigned char>& buffer, int offset, int length );

        void setDictionary( const std::vector<unsigned char>& buffer );

        void setStrategy( int strategy );

        void setLevel( int level );

        bool needsInput() const;

        void finish();

        bool finished() const;

        int deflate( unsigned char* buffer, int size, int offset, int length );

        int deflate( std::vector<unsigned char>& buffer, int offset, int length );

        int deflate( std::vector<unsigned char>& buffer );

        long long getAdler() const;

        long long getBytesRead() const;

        long long getBytesWritten() const;

        void reset();

        void end();

    };

}}}

#endif /* _DECAF_UTI_ZIP_DEFLATER_H_ */