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/*
* 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 TextEncoding_h
#define TextEncoding_h
#include "wtf/Forward.h"
#include "wtf/WTFExport.h"
#include "wtf/text/TextCodec.h"
#include "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 // TextEncoding_h
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