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Side by Side Diff: base/string16.h

Issue 9071010: NOT FOR SUBMISSION (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Only one hack needed left! Created 8 years, 11 months ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef BASE_STRING16_H_ 5 #ifndef BASE_STRING16_H_
6 #define BASE_STRING16_H_ 6 #define BASE_STRING16_H_
7 #pragma once 7 #pragma once
8 8
9 // WHAT: 9 // WHAT:
10 // A version of std::basic_string that provides 2-byte characters even when 10 // A version of std::basic_string that provides 2-byte characters even when
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47 // char16 versions of the functions required by string16_char_traits; these 47 // char16 versions of the functions required by string16_char_traits; these
48 // are based on the wide character functions of similar names ("w" or "wcs" 48 // are based on the wide character functions of similar names ("w" or "wcs"
49 // instead of "c16"). 49 // instead of "c16").
50 BASE_EXPORT int c16memcmp(const char16* s1, const char16* s2, size_t n); 50 BASE_EXPORT int c16memcmp(const char16* s1, const char16* s2, size_t n);
51 BASE_EXPORT size_t c16len(const char16* s); 51 BASE_EXPORT size_t c16len(const char16* s);
52 BASE_EXPORT const char16* c16memchr(const char16* s, char16 c, size_t n); 52 BASE_EXPORT const char16* c16memchr(const char16* s, char16 c, size_t n);
53 BASE_EXPORT char16* c16memmove(char16* s1, const char16* s2, size_t n); 53 BASE_EXPORT char16* c16memmove(char16* s1, const char16* s2, size_t n);
54 BASE_EXPORT char16* c16memcpy(char16* s1, const char16* s2, size_t n); 54 BASE_EXPORT char16* c16memcpy(char16* s1, const char16* s2, size_t n);
55 BASE_EXPORT char16* c16memset(char16* s, char16 c, size_t n); 55 BASE_EXPORT char16* c16memset(char16* s, char16 c, size_t n);
56 56
57 struct string16_char_traits { 57 struct BASE_EXPORT string16_char_traits {
58 typedef char16 char_type; 58 typedef char16 char_type;
59 typedef int int_type; 59 typedef int int_type;
60 60
61 // int_type needs to be able to hold each possible value of char_type, and in 61 // int_type needs to be able to hold each possible value of char_type, and in
62 // addition, the distinct value of eof(). 62 // addition, the distinct value of eof().
63 COMPILE_ASSERT(sizeof(int_type) > sizeof(char_type), unexpected_type_width); 63 COMPILE_ASSERT(sizeof(int_type) > sizeof(char_type), unexpected_type_width);
64 64
65 typedef std::streamoff off_type; 65 typedef std::streamoff off_type;
66 typedef mbstate_t state_type; 66 typedef mbstate_t state_type;
67 typedef std::fpos<state_type> pos_type; 67 typedef std::fpos<state_type> pos_type;
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169 typedef std::basic_string<char16, base::string16_char_traits> string16; 169 typedef std::basic_string<char16, base::string16_char_traits> string16;
170 170
171 namespace base { 171 namespace base {
172 BASE_EXPORT extern std::ostream& operator<<(std::ostream& out, 172 BASE_EXPORT extern std::ostream& operator<<(std::ostream& out,
173 const string16& str); 173 const string16& str);
174 } 174 }
175 175
176 #endif // WCHAR_T_IS_UTF32 176 #endif // WCHAR_T_IS_UTF32
177 177
178 #endif // BASE_STRING16_H_ 178 #endif // BASE_STRING16_H_
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