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      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/PassOwnPtr.h>
     31 #include <wtf/unicode/Unicode.h>
     32 
     33 namespace WebCore {
     34 
     35     class TextCodec;
     36     class TextEncoding;
     37 
     38     // Use TextResourceDecoder::decode to decode resources, since it handles BOMs.
     39     // Use TextEncoding::encode to encode, since it takes care of normalization.
     40     PassOwnPtr<TextCodec> newTextCodec(const TextEncoding&);
     41 
     42     // Only TextEncoding should use the following functions directly.
     43     const char* atomicCanonicalTextEncodingName(const char* alias);
     44     const char* atomicCanonicalTextEncodingName(const UChar* aliasCharacters, size_t aliasLength);
     45     bool noExtendedTextEncodingNameUsed();
     46     bool isJapaneseEncoding(const char* canonicalEncodingName);
     47     bool shouldShowBackslashAsCurrencySymbolIn(const char* canonicalEncodingName);
     48 
     49 #ifndef NDEBUG
     50     void dumpTextEncodingNameMap();
     51 #endif
     52 }
     53 
     54 #endif // TextEncodingRegistry_h
     55