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
|
#include "vcpkg_Strings.h"
#include <cstdarg>
#include <algorithm>
#include <codecvt>
#include <iterator>
#include <functional>
#include <cctype>
namespace vcpkg::Strings::details
{
// To disambiguate between two overloads
static const auto isspace = [](const char c)
{
return std::isspace(c);
};
std::string format_internal(const char* fmtstr, ...)
{
va_list lst;
va_start(lst, fmtstr);
auto sz = _vscprintf(fmtstr, lst);
std::string output(sz, '\0');
_vsnprintf_s(&output[0], output.size() + 1, output.size() + 1, fmtstr, lst);
va_end(lst);
return output;
}
std::wstring wformat_internal(const wchar_t* fmtstr, ...)
{
va_list lst;
va_start(lst, fmtstr);
auto sz = _vscwprintf(fmtstr, lst);
std::wstring output(sz, '\0');
_vsnwprintf_s(&output[0], output.size() + 1, output.size() + 1, fmtstr, lst);
va_end(lst);
return output;
}
}
namespace vcpkg::Strings
{
std::wstring utf8_to_utf16(const std::string& s)
{
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>, wchar_t> conversion;
return conversion.from_bytes(s);
}
std::string utf16_to_utf8(const std::wstring& w)
{
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>, wchar_t> conversion;
return conversion.to_bytes(w);
}
std::string::const_iterator case_insensitive_ascii_find(const std::string& s, const std::string& pattern)
{
std::string pattern_as_lower_case;
std::transform(pattern.begin(), pattern.end(), back_inserter(pattern_as_lower_case), tolower);
return search(s.begin(), s.end(), pattern_as_lower_case.begin(), pattern_as_lower_case.end(), [](const char a, const char b)
{
return tolower(a) == b;
});
}
std::string ascii_to_lowercase(const std::string& input)
{
std::string output = input;
std::transform(output.begin(), output.end(), output.begin(), ::tolower);
return output;
}
std::string join(const std::vector<std::string>& v, const std::string& delimiter)
{
if (v.empty())
{
return std::string();
}
std::string output;
size_t size = v.size();
output.append(v.at(0));
for (size_t i = 1; i < size; ++i)
{
output.append(delimiter);
output.append(v.at(i));
}
return output;
}
void trim(std::string* s)
{
s->erase(std::find_if_not(s->rbegin(), s->rend(), details::isspace).base(), s->end());
s->erase(s->begin(), std::find_if_not(s->begin(), s->end(), details::isspace));
}
std::string trimmed(const std::string& s)
{
auto whitespace_back = std::find_if_not(s.rbegin(), s.rend(), details::isspace).base();
auto whitespace_front = std::find_if_not(s.begin(), whitespace_back, details::isspace);
return std::string(whitespace_front, whitespace_back);
}
void trim_all_and_remove_whitespace_strings(std::vector<std::string>* strings)
{
for (std::string& s : *strings)
{
trim(&s);
}
strings->erase(std::remove_if(strings->begin(), strings->end(), [](const std::string& s)-> bool
{
return s == "";
}), strings->end());
}
}
|
