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| 1 /* | 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 * Copyright (C) 2004, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 * | 3 // found in the LICENSE file. |
| 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 | 4 |
| 26 #ifndef TextEncoding_h | 5 #include "platform/wtf/text/TextEncoding.h" |
| 27 #define TextEncoding_h | |
| 28 | 6 |
| 29 #include "wtf/Allocator.h" | 7 // The contents of this header was moved to platform/wtf as part of |
| 30 #include "wtf/Forward.h" | 8 // WTF migration project. See the following post for details: |
| 31 #include "wtf/WTFExport.h" | 9 // https://groups.google.com/a/chromium.org/d/msg/blink-dev/tLdAZCTlcAA/bYXVT8gY
CAAJ |
| 32 #include "wtf/text/TextCodec.h" | |
| 33 #include "wtf/text/Unicode.h" | |
| 34 | |
| 35 namespace WTF { | |
| 36 | |
| 37 class WTF_EXPORT TextEncoding final { | |
| 38 USING_FAST_MALLOC(TextEncoding); | |
| 39 | |
| 40 public: | |
| 41 TextEncoding() : m_name(0) {} | |
| 42 TextEncoding(const char* name); | |
| 43 TextEncoding(const String& name); | |
| 44 | |
| 45 bool isValid() const { return m_name; } | |
| 46 const char* name() const { return m_name; } | |
| 47 bool usesVisualOrdering() const; | |
| 48 const TextEncoding& closestByteBasedEquivalent() const; | |
| 49 const TextEncoding& encodingForFormSubmission() const; | |
| 50 | |
| 51 String decode(const char* str, size_t length) const { | |
| 52 bool ignored; | |
| 53 return decode(str, length, false, ignored); | |
| 54 } | |
| 55 String decode(const char*, | |
| 56 size_t length, | |
| 57 bool stopOnError, | |
| 58 bool& sawError) const; | |
| 59 | |
| 60 CString encode(const String&, UnencodableHandling) const; | |
| 61 | |
| 62 bool isNonByteBasedEncoding() const; | |
| 63 | |
| 64 private: | |
| 65 bool isUTF7Encoding() const; | |
| 66 | |
| 67 const char* m_name; | |
| 68 }; | |
| 69 | |
| 70 inline bool operator==(const TextEncoding& a, const TextEncoding& b) { | |
| 71 return a.name() == b.name(); | |
| 72 } | |
| 73 inline bool operator!=(const TextEncoding& a, const TextEncoding& b) { | |
| 74 return a.name() != b.name(); | |
| 75 } | |
| 76 | |
| 77 WTF_EXPORT const TextEncoding& ASCIIEncoding(); | |
| 78 WTF_EXPORT const TextEncoding& Latin1Encoding(); | |
| 79 WTF_EXPORT const TextEncoding& UTF16BigEndianEncoding(); | |
| 80 WTF_EXPORT const TextEncoding& UTF16LittleEndianEncoding(); | |
| 81 WTF_EXPORT const TextEncoding& UTF32Encoding(); | |
| 82 WTF_EXPORT const TextEncoding& UTF32BigEndianEncoding(); | |
| 83 WTF_EXPORT const TextEncoding& UTF32LittleEndianEncoding(); | |
| 84 WTF_EXPORT const TextEncoding& UTF8Encoding(); | |
| 85 WTF_EXPORT const TextEncoding& WindowsLatin1Encoding(); | |
| 86 | |
| 87 } // namespace WTF | |
| 88 | |
| 89 using WTF::ASCIIEncoding; | |
| 90 using WTF::Latin1Encoding; | |
| 91 using WTF::UTF16BigEndianEncoding; | |
| 92 using WTF::UTF16LittleEndianEncoding; | |
| 93 using WTF::UTF32Encoding; | |
| 94 using WTF::UTF32BigEndianEncoding; | |
| 95 using WTF::UTF32LittleEndianEncoding; | |
| 96 using WTF::UTF8Encoding; | |
| 97 using WTF::WindowsLatin1Encoding; | |
| 98 | |
| 99 #endif // TextEncoding_h | |
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