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Side by Side Diff: third_party/WebKit/Source/wtf/text/CString.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) 2003, 2006, 2008, 2009, 2010, 2012 Apple Inc. All rights reserv ed. 2 * Copyright (C) 2003, 2006, 2008, 2009, 2010, 2012 Apple Inc. All rights reserv ed.
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 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 1. Redistributions of source code must retain the above copyright 7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright 9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 10 * notice, this list of conditions and the following disclaimer in the
(...skipping 17 matching lines...) Expand all
28 28
29 #include "wtf/RefCounted.h" 29 #include "wtf/RefCounted.h"
30 #include "wtf/RefPtr.h" 30 #include "wtf/RefPtr.h"
31 #include "wtf/WTFExport.h" 31 #include "wtf/WTFExport.h"
32 32
33 namespace WTF { 33 namespace WTF {
34 34
35 // CStringBuffer is the ref-counted storage class for the characters in a CStrin g. 35 // CStringBuffer is the ref-counted storage class for the characters in a CStrin g.
36 // The data is implicitly allocated 1 character longer than length(), as it is z ero-terminated. 36 // The data is implicitly allocated 1 character longer than length(), as it is z ero-terminated.
37 class WTF_EXPORT CStringBuffer : public RefCounted<CStringBuffer> { 37 class WTF_EXPORT CStringBuffer : public RefCounted<CStringBuffer> {
38 public: 38 public:
39 const char* data() { return mutableData(); } 39 const char* data() { return mutableData(); }
40 size_t length() const { return m_length; } 40 size_t length() const { return m_length; }
41 41
42 private: 42 private:
43 friend class CString; 43 friend class CString;
44 friend class RefCounted<CStringBuffer>; 44 friend class RefCounted<CStringBuffer>;
45 // CStringBuffers are allocated out of the WTF buffer partition. 45 // CStringBuffers are allocated out of the WTF buffer partition.
46 void* operator new(size_t, void* ptr) { return ptr; } 46 void* operator new(size_t, void* ptr) { return ptr; }
47 void operator delete(void*); 47 void operator delete(void*);
48 48
49 static PassRefPtr<CStringBuffer> createUninitialized(size_t length); 49 static PassRefPtr<CStringBuffer> createUninitialized(size_t length);
50 50
51 CStringBuffer(size_t length) : m_length(length) { } 51 CStringBuffer(size_t length)
52 char* mutableData() { return reinterpret_cast<char*>(this + 1); } 52 : m_length(length) {}
53 char* mutableData() { return reinterpret_cast<char*>(this + 1); }
53 54
54 const unsigned m_length; 55 const unsigned m_length;
55 }; 56 };
56 57
57 // A container for a null-terminated char array supporting copy-on-write 58 // A container for a null-terminated char array supporting copy-on-write
58 // assignment. The contained char array may be null. 59 // assignment. The contained char array may be null.
59 class WTF_EXPORT CString { 60 class WTF_EXPORT CString {
60 public: 61 public:
61 CString() { } 62 CString() {}
62 CString(const char*); 63 CString(const char*);
63 CString(const char*, size_t length); 64 CString(const char*, size_t length);
64 CString(CStringBuffer* buffer) : m_buffer(buffer) { } 65 CString(CStringBuffer* buffer)
65 static CString newUninitialized(size_t length, char*& characterBuffer); 66 : m_buffer(buffer) {}
67 static CString newUninitialized(size_t length, char*& characterBuffer);
66 68
67 const char* data() const 69 const char* data() const {
68 { 70 return m_buffer ? m_buffer->data() : 0;
69 return m_buffer ? m_buffer->data() : 0; 71 }
70 } 72 char* mutableData();
71 char* mutableData(); 73 size_t length() const {
72 size_t length() const 74 return m_buffer ? m_buffer->length() : 0;
73 { 75 }
74 return m_buffer ? m_buffer->length() : 0;
75 }
76 76
77 bool isNull() const { return !m_buffer; } 77 bool isNull() const { return !m_buffer; }
78 bool isSafeToSendToAnotherThread() const; 78 bool isSafeToSendToAnotherThread() const;
79 79
80 CStringBuffer* buffer() const { return m_buffer.get(); } 80 CStringBuffer* buffer() const { return m_buffer.get(); }
81 81
82 private: 82 private:
83 void copyBufferIfNeeded(); 83 void copyBufferIfNeeded();
84 void init(const char*, size_t length); 84 void init(const char*, size_t length);
85 RefPtr<CStringBuffer> m_buffer; 85 RefPtr<CStringBuffer> m_buffer;
86 }; 86 };
87 87
88 WTF_EXPORT bool operator==(const CString& a, const CString& b); 88 WTF_EXPORT bool operator==(const CString& a, const CString& b);
89 inline bool operator!=(const CString& a, const CString& b) { return !(a == b); } 89 inline bool operator!=(const CString& a, const CString& b) {
90 return !(a == b);
91 }
90 WTF_EXPORT bool operator==(const CString& a, const char* b); 92 WTF_EXPORT bool operator==(const CString& a, const char* b);
91 inline bool operator!=(const CString& a, const char* b) { return !(a == b); } 93 inline bool operator!=(const CString& a, const char* b) {
94 return !(a == b);
95 }
92 96
93 } // namespace WTF 97 } // namespace WTF
94 98
95 using WTF::CString; 99 using WTF::CString;
96 100
97 #endif // CString_h 101 #endif // CString_h
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