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
125
126
127
128
|
// file : libbutl/utility.ixx -*- C++ -*-
// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
namespace butl
{
inline char
ucase (char c)
{
return std::toupper (c);
}
inline void
ucase (char* s, std::size_t n)
{
for (const char* e (s + n); s != e; ++s)
*s = ucase (*s);
}
inline std::string&
ucase (std::string& s)
{
if (size_t n = s.size ())
{
s.front () = s.front (); // Force copy in CoW.
ucase (const_cast<char*> (s.data ()), n);
}
return s;
}
inline std::string
ucase (const char* s, std::size_t n)
{
std::string r (s, n == std::string::npos ? std::strlen (s) : n);
return ucase (r);
}
inline std::string
ucase (const std::string& s)
{
return ucase (s.c_str (), s.size ());
}
inline char
lcase (char c)
{
return std::tolower (c);
}
inline void
lcase (char* s, std::size_t n)
{
for (const char* e (s + n); s != e; ++s)
*s = lcase (*s);
}
inline std::string&
lcase (std::string& s)
{
if (size_t n = s.size ())
{
s.front () = s.front (); // Force copy in CoW.
lcase (const_cast<char*> (s.data ()), n);
}
return s;
}
inline std::string
lcase (const char* s, std::size_t n)
{
std::string r (s, n == std::string::npos ? std::strlen (s) : n);
return lcase (r);
}
inline std::string
lcase (const std::string& s)
{
return lcase (s.c_str (), s.size ());
}
inline int
casecmp (char l, char r)
{
l = lcase (l);
r = lcase (r);
return l < r ? -1 : (l > r ? 1 : 0);
}
inline int
casecmp (const char* l, const char* r, std::size_t n)
{
#ifndef _WIN32
return n == std::string::npos ? strcasecmp (l, r) : strncasecmp (l, r, n);
#else
return n == std::string::npos ? _stricmp (l, r) : _strnicmp (l, r, n);
#endif
}
inline int
casecmp (const std::string& l, const std::string& r, std::size_t n)
{
return casecmp (l.c_str (), r.c_str (), n);
}
inline int
casecmp (const std::string& l, const char* r, std::size_t n)
{
return casecmp (l.c_str (), r, n);
}
inline bool
alpha (char c)
{
return std::isalpha (c);
}
inline bool
digit (char c)
{
return std::isdigit (c);
}
inline bool
alnum (char c)
{
return std::isalnum (c);
}
}
|