aboutsummaryrefslogtreecommitdiffstats
path: root/src/util/StringUtil.hxx
blob: 2d0773a621cbeac5475f1413bf84f74a76326c17 (plain) (blame)
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
129
130
131
132
133
134
135
136
137
/*
 * Copyright (C) 2003-2015 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.
 */

#ifndef MPD_STRING_UTIL_HXX
#define MPD_STRING_UTIL_HXX

#include "Compiler.h"

#include <stddef.h>

#ifdef _UNICODE
#include "WStringUtil.hxx"
#endif

gcc_pure
bool
StringStartsWith(const char *haystack, const char *needle);

gcc_pure
bool
StringEndsWith(const char *haystack, const char *needle);

/**
 * Check if the given string ends with the specified suffix.  If yes,
 * returns the position of the suffix, and nullptr otherwise.
 */
gcc_pure
const char *
FindStringSuffix(const char *p, const char *suffix);

/**
 * Copy a string.  If the buffer is too small, then the string is
 * truncated.  This is a safer version of strncpy().
 *
 * @param size the size of the destination buffer (including the null
 * terminator)
 * @return a pointer to the null terminator
 */
gcc_nonnull_all
char *
CopyString(char *dest, const char *src, size_t size);

/**
 * Returns a pointer to the first non-whitespace character in the
 * string, or to the end of the string.
 */
gcc_pure
const char *
StripLeft(const char *p);

gcc_pure
static inline char *
StripLeft(char *p)
{
	return const_cast<char *>(StripLeft((const char *)p));
}

gcc_pure
const char *
StripLeft(const char *p, const char *end);

/**
 * Determine the string's end as if it was stripped on the right side.
 */
gcc_pure
const char *
StripRight(const char *p, const char *end);

/**
 * Determine the string's end as if it was stripped on the right side.
 */
gcc_pure
static inline char *
StripRight(char *p, char *end)
{
	return const_cast<char *>(StripRight((const char *)p,
					     (const char *)end));
}

/**
 * Determine the string's length as if it was stripped on the right
 * side.
 */
gcc_pure
size_t
StripRight(const char *p, size_t length);

/**
 * Strip trailing whitespace by null-terminating the string.
 */
void
StripRight(char *p);

/**
 * Skip whitespace at the beginning and terminate the string after the
 * last non-whitespace character.
 */
char *
Strip(char *p);

/**
 * Checks whether a string array contains the specified string.
 *
 * @param haystack a NULL terminated list of strings
 * @param needle the string to search for; the comparison is
 * case-insensitive for ASCII characters
 * @return true if found
 */
gcc_pure
bool
string_array_contains(const char *const* haystack, const char *needle);

/**
 * Convert the specified ASCII string (0x00..0x7f) to upper case.
 *
 * @param size the destination buffer size
 */
void
ToUpperASCII(char *dest, const char *src, size_t size);

#endif