WebCore/TextEncodingRegistry.h

   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