blob: 9e6b46801b14f9cb74ab8e22d0d26881a1cb0810 (
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
138
|
/* See LICENSE file for copyright and license details. */
#include "lib-common.h"
enum libcharconv_result
libcharconv_cards(const char *s, size_t slen, size_t *n, uint_least32_t *cp, size_t *ncp)
{
uint_least32_t c;
unsigned value;
unsigned j;
int num;
*n = 0;
for (; slen--; s++) {
switch (*s) {
case '#': c = UINT32_C(0x1F0A0); goto conv;
case 'f': case 'F': case '0': c = UINT32_C(0x1F0E0); goto conv;
case 'r': case 'R': c = UINT32_C(0x1F0BF); goto conv;
case 'b': case 'B': c = UINT32_C(0x1F0CF); goto conv;
case 'w': case 'W': c = UINT32_C(0x1F0DF); goto conv;
case 'S': c = UINT32_C(0x2660); goto conv;
case 'h': c = UINT32_C(0x2661); goto conv;
case 'd': c = UINT32_C(0x2662); goto conv;
case 's': c = UINT32_C(0x2664); goto conv;
case 'H': c = UINT32_C(0x2665); goto conv;
case 'D': c = UINT32_C(0x2666); goto conv;
case 'A': case 'a': value = 1u; goto face;
case 'J': case 'j': value = 11u; goto face;
case 'C': case 'c': value = 12u; goto face;
case 'Q': case 'q': value = 13u; goto face;
case 'K': case 'k': value = 14u; face:
j = 1u;
if (!slen) {
if (*s == 'C')
c = UINT32_C(0x2663);
else if (*s == 'c')
c = UINT32_C(0x2667);
else
return LIBCHARCONV_INDETERMINATE;
goto conv_if_end;
}
if (value == 14u && (s[j] == 'N' || s[j] == 'n')) {
value = 12u;
j++;
if (slen == 1u)
return LIBCHARCONV_INDETERMINATE;
}
num = 0;
common:
if (s[j] == 'S' || s[j] == 's')
c = UINT32_C(0x1F0A0) + value;
else if (s[j] == 'H' || s[j] == 'h')
c = UINT32_C(0x1F0B0) + value;
else if (s[j] == 'D' || s[j] == 'd')
c = UINT32_C(0x1F0C0) + value;
else if (s[j] == 'C' || s[j] == 'c')
c = UINT32_C(0x1F0D0) + value;
else if (num)
goto trump;
else if (s[0] == 'C' || s[0] == 'c')
goto clubs;
else
goto no_match;
j++;
goto convj;
clubs:
j = 1u;
c = *s == 'C' ? UINT32_C(0x2663) : UINT32_C(0x2667);
goto conv;
case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8':
case '9':
value = (unsigned)(*s - '0');
j = 1u;
if (!slen) {
c = UINT32_C(0x1F0E0) + value;
goto conv_if_end;
}
if ('0' <= s[j] && s[j] <= '9') {
value *= 10u;
value += (unsigned)(s[j] - '0');
j++;
if (value > 10u) {
if (value > 21u) {
value /= 10u;
j--;
}
trump:
c = UINT32_C(0x1F0E0) + value;
goto convj;
}
if (slen == 1u) {
c = UINT32_C(0x1F0E0) + value;
goto conv_if_end;
}
}
num = 1;
goto common;
default:
no_match:
*n += 1u;
break;
}
}
no_conv:
return LIBCHARCONV_NO_CONVERT;
conv_if_end:
if (*n)
goto no_conv;
if (*ncp)
*cp = c;
*n += j;
*ncp = 1u;
return LIBCHARCONV_CONVERT_IF_END;
conv:
if (*n)
goto no_conv;
if (*ncp)
*cp = c;
*n += 1u;
*ncp = 1u;
return LIBCHARCONV_CONVERTED;
convj:
if (*n)
goto no_conv;
if (*ncp)
*cp = c;
*n += j;
*ncp = 1u;
return LIBCHARCONV_CONVERTED;
}
|
