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StringCompare.hxx
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1 /*
2 * Copyright (C) 2013-2015 Max Kellermann <max.kellermann@gmail.com>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * - Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the
14 * distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
19 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
20 * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
27 * OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #ifndef STRING_COMPARE_HXX
31 #define STRING_COMPARE_HXX
32
33 #include "StringView.hxx"
34 #include "Compiler.h"
35
36 #ifdef _UNICODE
37 #include "WStringCompare.hxx"
38 #endif
39
40 static inline bool
41 StringIsEmpty(const char *string)
42 {
43 return *string == 0;
44 }
45
46 gcc_pure gcc_nonnull_all
47 static inline bool
48 StringStartsWith(const char *haystack, StringView needle)
49 {
50 return strncmp(haystack, needle.data, needle.size) == 0;
51 }
52
53 gcc_pure
54 bool
55 StringEndsWith(const char *haystack, const char *needle);
56
62 gcc_pure gcc_nonnull_all
63 static inline const char *
64 StringAfterPrefix(const char *haystack, StringView needle)
65 {
66 return StringStartsWith(haystack, needle)
67 ? haystack + needle.size
68 : nullptr;
69 }
70
75 gcc_pure
76 const char *
77 FindStringSuffix(const char *p, const char *suffix);
78
79 #endif
gcc_nonnull_all
#define gcc_nonnull_all
Definition: Compiler.h:122
StringEndsWith
gcc_pure bool StringEndsWith(const char *haystack, const char *needle)
StringStartsWith
gcc_pure static gcc_nonnull_all bool StringStartsWith(const char *haystack, StringView needle)
Definition: StringCompare.hxx:48
WStringCompare.hxx
StringAfterPrefix
gcc_pure static gcc_nonnull_all const char * StringAfterPrefix(const char *haystack, StringView needle)
Returns the portion of the string after a prefix.
Definition: StringCompare.hxx:64
ConstBuffer::size
size_type size
Definition: ConstBuffer.hxx:97
Compiler.h
FindStringSuffix
gcc_pure const char * FindStringSuffix(const char *p, const char *suffix)
Check if the given string ends with the specified suffix.
StringView
Definition: StringView.hxx:37
StringView.hxx
ConstBuffer::data
pointer_type data
Definition: ConstBuffer.hxx:96
StringIsEmpty
static bool StringIsEmpty(const char *string)
Definition: StringCompare.hxx:41
gcc_pure
#define gcc_pure
Definition: Compiler.h:116