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
|
/*
* Copyright (C) 2003-2014 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "StringUtil.hxx"
#include "CharUtil.hxx"
#include "ASCII.hxx"
#include <algorithm>
#include <assert.h>
#include <string.h>
const char *
StripLeft(const char *p)
{
while (IsWhitespaceNotNull(*p))
++p;
return p;
}
const char *
StripLeft(const char *p, const char *end)
{
while (p < end && IsWhitespaceOrNull(*p))
++p;
return p;
}
const char *
StripRight(const char *p, const char *end)
{
while (end > p && IsWhitespaceOrNull(end[-1]))
--end;
return end;
}
size_t
StripRight(const char *p, size_t length)
{
while (length > 0 && IsWhitespaceOrNull(p[length - 1]))
--length;
return length;
}
void
StripRight(char *p)
{
size_t old_length = strlen(p);
size_t new_length = StripRight(p, old_length);
p[new_length] = 0;
}
char *
Strip(char *p)
{
p = StripLeft(p);
StripRight(p);
return p;
}
bool
StringStartsWith(const char *haystack, const char *needle)
{
const size_t length = strlen(needle);
return memcmp(haystack, needle, length) == 0;
}
bool
StringEndsWith(const char *haystack, const char *needle)
{
const size_t haystack_length = strlen(haystack);
const size_t needle_length = strlen(needle);
return haystack_length >= needle_length &&
memcmp(haystack + haystack_length - needle_length,
needle, needle_length) == 0;
}
char *
CopyString(char *gcc_restrict dest, const char *gcc_restrict src, size_t size)
{
size_t length = strlen(src);
if (length >= size)
length = size - 1;
char *p = std::copy(src, src + length, dest);
*p = '\0';
return p;
}
bool
string_array_contains(const char *const* haystack, const char *needle)
{
assert(haystack != nullptr);
assert(needle != nullptr);
for (; *haystack != nullptr; ++haystack)
if (StringEqualsCaseASCII(*haystack, needle))
return true;
return false;
}
|