src/main/decaf/util/zip/Checksum.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_UTIL_ZIP_CHECKSUM_H_
#define _DECAF_UTIL_ZIP_CHECKSUM_H_

#include <decaf/util/Config.h>

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

#include <vector>

namespace decaf {
namespace util {
namespace zip {

    class DECAF_API Checksum {
    public:

        virtual ~Checksum();

        virtual long long getValue() const = 0;

        virtual void reset() = 0;

        virtual void update( const std::vector<unsigned char>& buffer ) = 0;

        virtual void update( const std::vector<unsigned char>& buffer, int offset, int length ) = 0;

        virtual void update( const unsigned char* buffer, int size, int offset, int length ) = 0;

        virtual void update( int byte ) = 0;

    };

}}}

#endif /* _DECAF_UTIL_ZIP_CHECKSUM_H_ */

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