InflaterInputStream.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_INFLATERINPUTSTREAM_H_
#define _DECAF_UTIL_ZIP_INFLATERINPUTSTREAM_H_
 
#include <decaf/util/Config.h>
 
#include <decaf/io/FilterInputStream.h>
#include <decaf/io/IOException.h>
#include <decaf/util/zip/Inflater.h>
 
#include <vector>
 
namespace decaf {
namespace util {
namespace zip {
 
    class DECAF_API InflaterInputStream : public decaf::io::FilterInputStream {
    protected:
 
        Inflater* inflater;
 
        std::vector<unsigned char> buff;
 
        int length;
 
        bool ownInflater;
        bool atEOF;
 
        static const int DEFAULT_BUFFER_SIZE;
 
    private:
 
        InflaterInputStream(const InflaterInputStream&);
        InflaterInputStream& operator=(const InflaterInputStream&);
 
    public:
 
        InflaterInputStream(decaf::io::InputStream* inputStream, bool own = false);
 
        InflaterInputStream(decaf::io::InputStream* inputStream, Inflater* inflater,
                            bool own = false, bool ownInflater = false);
 
        InflaterInputStream(decaf::io::InputStream* inputStream, Inflater* inflater,
                            int bufferSize, bool own = false, bool ownInflater = false);
 
        virtual ~InflaterInputStream();
 
        virtual int available() const;
 
        virtual void close();
 
        virtual long long skip(long long num);
 
        virtual void mark(int readLimit);
 
        virtual void reset();
 
        virtual bool markSupported() const;
 
    protected:
 
        virtual void fill();
 
    protected:
 
        virtual int doReadByte();
 
        virtual int doReadArrayBounded(unsigned char* buffer, int size, int offset, int length);
 
    };
 
}}}
 
#endif /* _DECAF_UTIL_ZIP_INFLATERINPUTSTREAM_H_ */