/*

 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

 */

#ifndef TextEncodingRegistry_h

#define TextEncodingRegistry_h

#include <memory>

#include <wtf/unicode/Unicode.h>

namespace WebCore {

    class TextCodec;

    class TextEncoding;

    // Only TextEncoding and TextDecoder should use this function directly.

    // - Use TextDecoder::decode to decode, since it handles BOMs.

    // - Use TextEncoding::decode to decode if you have all the data at once.

    //   It's implemented by calling TextDecoder::decode so works just as well.

    // - Use TextEncoding::encode to encode, since it takes care of normalization.

    std::auto_ptr<TextCodec> newTextCodec(const TextEncoding&);

    // Only TextEncoding should use this function directly.

    const char* atomicCanonicalTextEncodingName(const char* alias);

    const char* atomicCanonicalTextEncodingName(const UChar* aliasCharacters, size_t aliasLength);

    // Only TextEncoding should use this function directly.

    bool noExtendedTextEncodingNameUsed();

}

#endif // TextEncodingRegistry_h