1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "base/string_util.h"
#include <windows.h>
#include <string>
#include "unicode/numfmt.h"
#include "base/logging.h"
// See WideToUTF8.
static std::string WideToMultiByte(const std::wstring& wide, UINT code_page) {
int wide_length = static_cast<int>(wide.length());
if (wide_length == 0)
return std::string();
// compute the length of the buffer we'll need
int charcount = WideCharToMultiByte(code_page, 0, wide.data(), wide_length,
NULL, 0, NULL, NULL);
if (charcount == 0)
return std::string();
// convert
std::string mb;
WideCharToMultiByte(code_page, 0, wide.data(), wide_length,
WriteInto(&mb, charcount + 1), charcount, NULL, NULL);
return mb;
}
// Converts the given 8-bit string into a wide string, using the given
// code page. The code page identifier is one accepted by MultiByteToWideChar()
//
// Danger: do not assert in this function, as it is used by the assertion code.
// Doing so will cause an infinite loop.
static std::wstring MultiByteToWide(const std::string& mb, UINT code_page) {
if (mb.length() == 0)
return std::wstring();
// compute the length of the buffer
int charcount = MultiByteToWideChar(code_page, 0, mb.c_str(), -1, NULL, 0);
if (charcount == 0)
return std::wstring();
// convert
std::wstring wide;
MultiByteToWideChar(code_page, 0, mb.c_str(), -1,
WriteInto(&wide, charcount), charcount);
return wide;
}
// Wide <--> UTF-8
std::string WideToUTF8(const std::wstring& wide) {
return WideToMultiByte(wide, CP_UTF8);
}
std::wstring UTF8ToWide(const std::string& utf8) {
return MultiByteToWide(utf8, CP_UTF8);
}
// Wide <--> native multibyte
std::string WideToNativeMB(const std::wstring& wide) {
return WideToMultiByte(wide, CP_ACP);
}
std::wstring NativeMBToWide(const std::string& native_mb) {
return MultiByteToWide(native_mb, CP_ACP);
}
NumberFormat* NumberFormatSingleton() {
static NumberFormat* number_format = NULL;
if (!number_format) {
// Make sure we are thread-safe.
UErrorCode status = U_ZERO_ERROR;
NumberFormat* new_number_format = NumberFormat::createInstance(status);
if (U_FAILURE(status)) {
NOTREACHED();
}
if (InterlockedCompareExchangePointer(
reinterpret_cast<PVOID*>(&number_format), new_number_format, NULL)) {
// The old value was non-NULL, so no replacement was done. Another
// thread did the initialization out from under us.
if (new_number_format)
delete new_number_format;
}
}
return number_format;
}
int64 StringToInt64(const std::string& value) {
return _atoi64(value.c_str());
}
int64 StringToInt64(const std::wstring& value) {
return _wtoi64(value.c_str());
}
|
