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Side by Side Diff: third_party/WebKit/Source/wtf/text/StringUTF8Adaptor.h

Issue 1436153002: Apply clang-format with Chromium-style without column limit. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 1 month ago
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1 /* 1 /*
2 * Copyright (C) 2013 Google Inc. All rights reserved. 2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are 5 * modification, are permitted provided that the following conditions are
6 * met: 6 * met:
7 * 7 *
8 * * Redistributions of source code must retain the above copyright 8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above 10 * * Redistributions in binary form must reproduce the above
(...skipping 23 matching lines...) Expand all
34 #include "wtf/text/CString.h" 34 #include "wtf/text/CString.h"
35 #include "wtf/text/TextEncoding.h" 35 #include "wtf/text/TextEncoding.h"
36 #include "wtf/text/WTFString.h" 36 #include "wtf/text/WTFString.h"
37 37
38 namespace WTF { 38 namespace WTF {
39 39
40 // This class lets you get UTF-8 data out of a String without mallocing a 40 // This class lets you get UTF-8 data out of a String without mallocing a
41 // separate buffer to hold the data if the String happens to be 8 bit and 41 // separate buffer to hold the data if the String happens to be 8 bit and
42 // contain only ASCII characters. 42 // contain only ASCII characters.
43 class StringUTF8Adaptor { 43 class StringUTF8Adaptor {
44 public: 44 public:
45 explicit StringUTF8Adaptor(const String& string) 45 explicit StringUTF8Adaptor(const String& string)
46 : m_data(0) 46 : m_data(0), m_length(0) {
47 , m_length(0) 47 if (string.isEmpty())
48 { 48 return;
49 if (string.isEmpty()) 49 // Unfortunately, 8 bit WTFStrings are encoded in Latin-1 and GURL uses UTF- 8
50 return; 50 // when processing 8 bit strings. If |relative| is entirely ASCII, we luck o ut
51 // Unfortunately, 8 bit WTFStrings are encoded in Latin-1 and GURL uses UTF-8 51 // and can avoid mallocing a new buffer to hold the UTF-8 data because UTF-8
52 // when processing 8 bit strings. If |relative| is entirely ASCII, we lu ck out 52 // and Latin-1 use the same code units for ASCII code points.
53 // and can avoid mallocing a new buffer to hold the UTF-8 data because U TF-8 53 if (string.is8Bit() && string.containsOnlyASCII()) {
54 // and Latin-1 use the same code units for ASCII code points. 54 m_data = reinterpret_cast<const char*>(string.characters8());
55 if (string.is8Bit() && string.containsOnlyASCII()) { 55 m_length = string.length();
56 m_data = reinterpret_cast<const char*>(string.characters8()); 56 } else {
57 m_length = string.length(); 57 m_utf8Buffer = string.utf8();
58 } else { 58 m_data = m_utf8Buffer.data();
59 m_utf8Buffer = string.utf8(); 59 m_length = m_utf8Buffer.length();
60 m_data = m_utf8Buffer.data();
61 m_length = m_utf8Buffer.length();
62 }
63 } 60 }
61 }
64 62
65 const char* data() const { return m_data; } 63 const char* data() const { return m_data; }
66 size_t length() const { return m_length; } 64 size_t length() const { return m_length; }
67 65
68 private: 66 private:
69 CString m_utf8Buffer; 67 CString m_utf8Buffer;
70 const char* m_data; 68 const char* m_data;
71 size_t m_length; 69 size_t m_length;
72 }; 70 };
73 71
74 } // namespace WTF 72 } // namespace WTF
75 73
76 using WTF::StringUTF8Adaptor; 74 using WTF::StringUTF8Adaptor;
77 75
78 #endif // StringUTF8Adaptor_h 76 #endif // StringUTF8Adaptor_h
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