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
|
/* MIT License
*
* Copyright (c) 2023 Tyge Løvset
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#define _i_inc_utf8
#include "utf8.h"
#ifndef CSVIEW_H_INCLUDED
#define CSVIEW_H_INCLUDED
#define csview_init() c_sv_1("")
#define csview_drop(p) c_default_drop(p)
#define csview_clone(sv) c_default_clone(sv)
#define csview_from_n(str, n) c_sv_2(str, n)
STC_INLINE csview csview_from(const char* str)
{ return csview_from_n(str, c_strlen(str)); }
STC_INLINE void csview_clear(csview* self) { *self = csview_init(); }
STC_INLINE csubstr csview_ss(csview sv) { return c_ss_2(sv.str, sv.size); }
STC_INLINE intptr_t csview_size(csview sv) { return sv.size; }
STC_INLINE bool csview_empty(csview sv) { return sv.size == 0; }
STC_INLINE bool csview_equals(csview sv, const char* str) {
intptr_t n = c_strlen(str);
return sv.size == n && !c_memcmp(sv.str, str, n);
}
STC_INLINE intptr_t csview_find_v(csview sv, csview search) {
char* res = cstrnstrn(sv.str, search.str, sv.size, search.size);
return res ? (res - sv.str) : c_NPOS;
}
STC_INLINE intptr_t csview_find(csview sv, const char* str)
{ return csview_find_v(sv, c_sv_2(str, c_strlen(str))); }
STC_INLINE bool csview_contains(csview sv, const char* str)
{ return csview_find(sv, str) != c_NPOS; }
STC_INLINE bool csview_starts_with(csview sv, const char* str) {
intptr_t n = c_strlen(str);
return n > sv.size ? false : !c_memcmp(sv.str, str, n);
}
STC_INLINE bool csview_ends_with(csview sv, const char* str) {
intptr_t n = c_strlen(str);
return n > sv.size ? false : !c_memcmp(sv.str + sv.size - n, str, n);
}
/* utf8 iterator */
STC_INLINE csview_iter csview_begin(const csview* self) {
if (!self->size) return c_LITERAL(csview_iter){.ref = NULL};
return c_LITERAL(csview_iter){.u8 = {{self->str, utf8_chr_size(self->str)}}};
}
STC_INLINE csview_iter csview_end(const csview* self) {
(void)self; return c_LITERAL(csview_iter){.ref = NULL};
}
STC_INLINE void csview_next(csview_iter* it) {
it->ref += it->u8.chr.size;
it->u8.chr.size = utf8_chr_size(it->ref);
if (!*it->ref) it->ref = NULL;
}
STC_INLINE csview_iter csview_advance(csview_iter it, intptr_t pos) {
int inc = -1;
if (pos > 0) pos = -pos, inc = 1;
while (pos && *it.ref) pos += (*(it.ref += inc) & 0xC0) != 0x80;
it.u8.chr.size = utf8_chr_size(it.ref);
if (!*it.ref) it.ref = NULL;
return it;
}
/* utf8 size */
STC_INLINE intptr_t csview_u8_size(csview sv)
{ return utf8_size_n(sv.str, sv.size); }
/* utf8 validation: depends on src/utf8code.c */
STC_INLINE bool csview_valid_utf8(csview sv)
{ return utf8_valid_n(sv.str, sv.size); }
/* utf8 ignore case cmp: depends on src/utf8code.c */
STC_INLINE int csview_icmp(const csview* x, const csview* y)
{ return utf8_icmp_ss(c_ss_2(x->str, x->size), c_ss_2(y->str, y->size)); }
STC_INLINE int csview_cmp(const csview* x, const csview* y) {
intptr_t n = x->size < y->size ? x->size : y->size;
int c = c_memcmp(x->str, y->str, n);
return c ? c : (int)(x->size - y->size);
}
STC_INLINE bool csview_eq(const csview* x, const csview* y)
{ return x->size == y->size && !c_memcmp(x->str, y->str, x->size); }
STC_INLINE uint64_t csview_hash(const csview *self)
{ return cfasthash(self->str, self->size); }
#endif // CSVIEW_H_INCLUDED
#undef i_static
#undef i_header
#undef i_implement
#undef i_import
#undef i_opt
|
