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98 lines
3.6 KiB
C++
98 lines
3.6 KiB
C++
/*
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* Copyright (C) 2004, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_WTF_TEXT_TEXTENCODING_H_
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#define SKY_ENGINE_WTF_TEXT_TEXTENCODING_H_
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#include "flutter/sky/engine/wtf/Forward.h"
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#include "flutter/sky/engine/wtf/WTFExport.h"
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#include "flutter/sky/engine/wtf/text/TextCodec.h"
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#include "flutter/sky/engine/wtf/unicode/Unicode.h"
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namespace WTF {
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class WTF_EXPORT TextEncoding {
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public:
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TextEncoding() : m_name(0) {}
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TextEncoding(const char* name);
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TextEncoding(const String& name);
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bool isValid() const { return m_name; }
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const char* name() const { return m_name; }
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bool usesVisualOrdering() const;
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const TextEncoding& closestByteBasedEquivalent() const;
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const TextEncoding& encodingForFormSubmission() const;
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String decode(const char* str, size_t length) const {
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bool ignored;
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return decode(str, length, false, ignored);
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}
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String decode(const char*,
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size_t length,
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bool stopOnError,
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bool& sawError) const;
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// Encodes the string, but does *not* normalize first.
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CString encode(const String&, UnencodableHandling) const;
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// Applies Unicode NFC normalization, then encodes the normalized string.
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CString normalizeAndEncode(const String&, UnencodableHandling) const;
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private:
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bool isNonByteBasedEncoding() const;
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bool isUTF7Encoding() const;
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const char* m_name;
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};
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inline bool operator==(const TextEncoding& a, const TextEncoding& b) {
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return a.name() == b.name();
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}
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inline bool operator!=(const TextEncoding& a, const TextEncoding& b) {
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return a.name() != b.name();
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}
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WTF_EXPORT const TextEncoding& ASCIIEncoding();
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WTF_EXPORT const TextEncoding& Latin1Encoding();
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WTF_EXPORT const TextEncoding& UTF16BigEndianEncoding();
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WTF_EXPORT const TextEncoding& UTF16LittleEndianEncoding();
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WTF_EXPORT const TextEncoding& UTF32BigEndianEncoding();
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WTF_EXPORT const TextEncoding& UTF32LittleEndianEncoding();
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WTF_EXPORT const TextEncoding& UTF8Encoding();
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WTF_EXPORT const TextEncoding& WindowsLatin1Encoding();
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} // namespace WTF
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using WTF::ASCIIEncoding;
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using WTF::Latin1Encoding;
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using WTF::UTF16BigEndianEncoding;
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using WTF::UTF16LittleEndianEncoding;
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using WTF::UTF32BigEndianEncoding;
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using WTF::UTF32LittleEndianEncoding;
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using WTF::UTF8Encoding;
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using WTF::WindowsLatin1Encoding;
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#endif // SKY_ENGINE_WTF_TEXT_TEXTENCODING_H_
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