EncodedStreamFactory.h

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/*
 * EncodedStreamFactory.h
 *
 * Smalltalk like class library for C++
 * EncodedStream constructor. Header.
 *
 * Copyright (c) 2005 Milan Cermak
 */
/*
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#ifndef __ENCODEDSTREAMFACTORY_H
#define __ENCODEDSTREAMFACTORY_H

#include <stlib/Object.h>

namespace Core {

class ByteArray;
class CharacterEncoder;
class Dictionary;
class EncodedStream;
class String;
class StreamEncoder;

class EncodedStreamFactory : public Object
{
  protected:
    String *_encoding;
    ByteArray *normalized_encoding;

    static Dictionary *encoding_map;    //< Map of byte encodings

  public:
    EncodedStreamFactory(String *encoding);

    /* Class-accessing protocol */
    virtual String *className(void) const;
    static Dictionary *encodingMap(void);

    /* Initialize protocol */
    virtual void initializeAsciiEncoder(void);

    /* Accessing protocol */
    virtual String *encoding(void);

    /* Stream construction protocol */
    virtual EncodedStream *readStream(void) abstract;
    virtual EncodedStream *writeStream(void) abstract;

    /* Utilities protocol */
    virtual ByteArray *normalizedEncoding(void);

    /* Private protocol */
    virtual CharacterEncoder *createCharacterEncoder(void);
    virtual CharacterEncoder *getCharacterEncoder(void);
    virtual StreamEncoder *getEncoder(void);
};

};

#endif /* __ENCODEDSTREAMFACTORY_H */

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