1 /*

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

     3  *

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

     5  * modification, are permitted provided that the following conditions

     6  * are met:

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

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

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

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

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

    12  *

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

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

    15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

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

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

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

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

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

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

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

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

    24  */

    25 

    26 #ifndef TextEncodingRegistry_h

    27 #define TextEncodingRegistry_h

    28 

    29 #include <memory>

    30 #include <wtf/unicode/Unicode.h>

    31 

    32 namespace WebCore {

    33 

    34     class TextCodec;

    35     class TextEncoding;

    36 

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

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

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

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

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

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

    43 

    44     // Only TextEncoding should use this function directly.

    45     const char* atomicCanonicalTextEncodingName(const char* alias);

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

    47 

    48     // Only TextEncoding should use this function directly.

    49     bool noExtendedTextEncodingNameUsed();

    50 

    51 }

    52 

    53 #endif // TextEncodingRegistry_h