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Side by Side Diff: base/string16.h

Issue 7461141: Rename BASE_API to BASE_EXPORT. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: '' Created 9 years, 4 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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23 // entirely improper on those systems where the encoding of wchar_t is defined 23 // entirely improper on those systems where the encoding of wchar_t is defined
24 // as UTF-32. 24 // as UTF-32.
25 // 25 //
26 // Here, we define string16, which is similar to std::wstring but replaces all 26 // Here, we define string16, which is similar to std::wstring but replaces all
27 // libc functions with custom, 2-byte-char compatible routines. It is capable 27 // libc functions with custom, 2-byte-char compatible routines. It is capable
28 // of carrying UTF-16-encoded data. 28 // of carrying UTF-16-encoded data.
29 29
30 #include <stdio.h> 30 #include <stdio.h>
31 #include <string> 31 #include <string>
32 32
33 #include "base/base_api.h" 33 #include "base/base_export.h"
34 #include "base/basictypes.h" 34 #include "base/basictypes.h"
35 35
36 #if defined(WCHAR_T_IS_UTF16) 36 #if defined(WCHAR_T_IS_UTF16)
37 37
38 typedef wchar_t char16; 38 typedef wchar_t char16;
39 typedef std::wstring string16; 39 typedef std::wstring string16;
40 40
41 #elif defined(WCHAR_T_IS_UTF32) 41 #elif defined(WCHAR_T_IS_UTF32)
42 42
43 typedef uint16 char16; 43 typedef uint16 char16;
44 44
45 namespace base { 45 namespace base {
46 46
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_API 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_API size_t c16len(const char16* s); 51 BASE_EXPORT size_t c16len(const char16* s);
52 BASE_API 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_API 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_API 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_API 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 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;
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162 // to occur even when a std::basic_string<> does not cross shared library 162 // to occur even when a std::basic_string<> does not cross shared library
163 // boundaries, such as in statically-linked executables. 163 // boundaries, such as in statically-linked executables.
164 // 164 //
165 // TODO(mark): File this bug with Apple and update this note with a bug number. 165 // TODO(mark): File this bug with Apple and update this note with a bug number.
166 166
167 extern template class std::basic_string<char16, base::string16_char_traits>; 167 extern template class std::basic_string<char16, base::string16_char_traits>;
168 168
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_API 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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