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Side by Side Diff: third_party/WebKit/Source/wtf/text/TextEncoding.h

Issue 2764283002: Move files in wtf/ to platform/wtf/ (Part 10). (Closed)
Patch Set: Rebase. Created 3 years, 9 months ago
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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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