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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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