| /* |
| * Copyright (C) 2004, 2006, 2007, 2008, 2009 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 SKY_ENGINE_WTF_TEXT_TEXTENCODING_H_ |
| #define SKY_ENGINE_WTF_TEXT_TEXTENCODING_H_ |
| |
| #include "sky/engine/wtf/Forward.h" |
| #include "sky/engine/wtf/WTFExport.h" |
| #include "sky/engine/wtf/text/TextCodec.h" |
| #include "sky/engine/wtf/unicode/Unicode.h" |
| |
| namespace WTF { |
| |
| class WTF_EXPORT TextEncoding { |
| public: |
| TextEncoding() : m_name(0) { } |
| TextEncoding(const char* name); |
| TextEncoding(const String& name); |
| |
| bool isValid() const { return m_name; } |
| const char* name() const { return m_name; } |
| bool usesVisualOrdering() const; |
| const TextEncoding& closestByteBasedEquivalent() const; |
| const TextEncoding& encodingForFormSubmission() const; |
| |
| String decode(const char* str, size_t length) const |
| { |
| bool ignored; |
| return decode(str, length, false, ignored); |
| } |
| String decode(const char*, size_t length, bool stopOnError, bool& sawError) const; |
| |
| // Encodes the string, but does *not* normalize first. |
| CString encode(const String&, UnencodableHandling) const; |
| |
| // Applies Unicode NFC normalization, then encodes the normalized string. |
| CString normalizeAndEncode(const String&, UnencodableHandling) const; |
| |
| private: |
| bool isNonByteBasedEncoding() const; |
| bool isUTF7Encoding() const; |
| |
| const char* m_name; |
| }; |
| |
| inline bool operator==(const TextEncoding& a, const TextEncoding& b) { return a.name() == b.name(); } |
| inline bool operator!=(const TextEncoding& a, const TextEncoding& b) { return a.name() != b.name(); } |
| |
| WTF_EXPORT const TextEncoding& ASCIIEncoding(); |
| WTF_EXPORT const TextEncoding& Latin1Encoding(); |
| WTF_EXPORT const TextEncoding& UTF16BigEndianEncoding(); |
| WTF_EXPORT const TextEncoding& UTF16LittleEndianEncoding(); |
| WTF_EXPORT const TextEncoding& UTF32BigEndianEncoding(); |
| WTF_EXPORT const TextEncoding& UTF32LittleEndianEncoding(); |
| WTF_EXPORT const TextEncoding& UTF8Encoding(); |
| WTF_EXPORT const TextEncoding& WindowsLatin1Encoding(); |
| |
| } // namespace WTF |
| |
| using WTF::ASCIIEncoding; |
| using WTF::Latin1Encoding; |
| using WTF::UTF16BigEndianEncoding; |
| using WTF::UTF16LittleEndianEncoding; |
| using WTF::UTF32BigEndianEncoding; |
| using WTF::UTF32LittleEndianEncoding; |
| using WTF::UTF8Encoding; |
| using WTF::WindowsLatin1Encoding; |
| |
| #endif // SKY_ENGINE_WTF_TEXT_TEXTENCODING_H_ |