blob: 0317a215171e9f5299c1b0384f0e32a3d6ca6709
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * Licensed under GPLv2, see file LICENSE in this source tree. |
4 | */ |
5 | #ifndef UNICODE_H |
6 | #define UNICODE_H 1 |
7 | |
8 | #if ENABLE_UNICODE_USING_LOCALE |
9 | # include <wchar.h> |
10 | # include <wctype.h> |
11 | #endif |
12 | |
13 | PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN |
14 | |
15 | enum { |
16 | UNICODE_UNKNOWN = 0, |
17 | UNICODE_OFF = 1, |
18 | UNICODE_ON = 2, |
19 | }; |
20 | |
21 | #define unicode_bidi_isrtl(wc) 0 |
22 | #define unicode_bidi_is_neutral_wchar(wc) (wc <= 126 && !isalpha(wc)) |
23 | |
24 | #if !ENABLE_UNICODE_SUPPORT |
25 | |
26 | # define unicode_strlen(string) strlen(string) |
27 | # define unicode_strwidth(string) strlen(string) |
28 | # define unicode_status UNICODE_OFF |
29 | # define init_unicode() ((void)0) |
30 | # define reinit_unicode(LANG) ((void)0) |
31 | |
32 | #else |
33 | |
34 | # if CONFIG_LAST_SUPPORTED_WCHAR < 126 || CONFIG_LAST_SUPPORTED_WCHAR >= 0x30000 |
35 | # undef CONFIG_LAST_SUPPORTED_WCHAR |
36 | # define CONFIG_LAST_SUPPORTED_WCHAR 0x2ffff |
37 | # endif |
38 | |
39 | # if CONFIG_LAST_SUPPORTED_WCHAR < 0x300 |
40 | # undef ENABLE_UNICODE_COMBINING_WCHARS |
41 | # define ENABLE_UNICODE_COMBINING_WCHARS 0 |
42 | # endif |
43 | |
44 | # if CONFIG_LAST_SUPPORTED_WCHAR < 0x1100 |
45 | # undef ENABLE_UNICODE_WIDE_WCHARS |
46 | # define ENABLE_UNICODE_WIDE_WCHARS 0 |
47 | # endif |
48 | |
49 | # if CONFIG_LAST_SUPPORTED_WCHAR < 0x590 |
50 | # undef ENABLE_UNICODE_BIDI_SUPPORT |
51 | # define ENABLE_UNICODE_BIDI_SUPPORT 0 |
52 | # endif |
53 | |
54 | /* Number of unicode chars. Falls back to strlen() on invalid unicode */ |
55 | size_t FAST_FUNC unicode_strlen(const char *string); |
56 | /* Width on terminal */ |
57 | size_t FAST_FUNC unicode_strwidth(const char *string); |
58 | enum { |
59 | UNI_FLAG_PAD = (1 << 0), |
60 | }; |
61 | //UNUSED: unsigned FAST_FUNC unicode_padding_to_width(unsigned width, const char *src); |
62 | //UNUSED: char* FAST_FUNC unicode_conv_to_printable2(uni_stat_t *stats, const char *src, unsigned width, int flags); |
63 | char* FAST_FUNC unicode_conv_to_printable(uni_stat_t *stats, const char *src); |
64 | //UNUSED: char* FAST_FUNC unicode_conv_to_printable_maxwidth(uni_stat_t *stats, const char *src, unsigned maxwidth); |
65 | char* FAST_FUNC unicode_conv_to_printable_fixedwidth(/*uni_stat_t *stats,*/ const char *src, unsigned width); |
66 | |
67 | # if ENABLE_UNICODE_USING_LOCALE |
68 | |
69 | extern uint8_t unicode_status; |
70 | void init_unicode(void) FAST_FUNC; |
71 | void reinit_unicode(const char *LANG) FAST_FUNC; |
72 | |
73 | # else |
74 | |
75 | /* Homegrown Unicode support. It knows only C and Unicode locales. */ |
76 | |
77 | # if !ENABLE_FEATURE_CHECK_UNICODE_IN_ENV |
78 | # define unicode_status UNICODE_ON |
79 | # define init_unicode() ((void)0) |
80 | # define reinit_unicode(LANG) ((void)0) |
81 | # else |
82 | extern uint8_t unicode_status; |
83 | void init_unicode(void) FAST_FUNC; |
84 | void reinit_unicode(const char *LANG) FAST_FUNC; |
85 | # endif |
86 | |
87 | # undef MB_CUR_MAX |
88 | # define MB_CUR_MAX 6 |
89 | |
90 | /* Prevent name collisions */ |
91 | # define wint_t bb_wint_t |
92 | # define mbstate_t bb_mbstate_t |
93 | # define mbstowcs bb_mbstowcs |
94 | # define wcstombs bb_wcstombs |
95 | # define wcrtomb bb_wcrtomb |
96 | # define iswspace bb_iswspace |
97 | # define iswalnum bb_iswalnum |
98 | # define iswpunct bb_iswpunct |
99 | # define wcwidth bb_wcwidth |
100 | |
101 | typedef int32_t wint_t; |
102 | typedef struct { |
103 | char bogus; |
104 | } mbstate_t; |
105 | |
106 | size_t mbstowcs(wchar_t *dest, const char *src, size_t n) FAST_FUNC; |
107 | size_t wcstombs(char *dest, const wchar_t *src, size_t n) FAST_FUNC; |
108 | size_t wcrtomb(char *s, wchar_t wc, mbstate_t *ps) FAST_FUNC; |
109 | int iswspace(wint_t wc) FAST_FUNC; |
110 | int iswalnum(wint_t wc) FAST_FUNC; |
111 | int iswpunct(wint_t wc) FAST_FUNC; |
112 | int wcwidth(unsigned ucs) FAST_FUNC; |
113 | # if ENABLE_UNICODE_BIDI_SUPPORT |
114 | # undef unicode_bidi_isrtl |
115 | int unicode_bidi_isrtl(wint_t wc) FAST_FUNC; |
116 | # if ENABLE_UNICODE_NEUTRAL_TABLE |
117 | # undef unicode_bidi_is_neutral_wchar |
118 | int unicode_bidi_is_neutral_wchar(wint_t wc) FAST_FUNC; |
119 | # endif |
120 | # endif |
121 | |
122 | |
123 | # endif /* !UNICODE_USING_LOCALE */ |
124 | |
125 | #endif /* UNICODE_SUPPORT */ |
126 | |
127 | POP_SAVED_FUNCTION_VISIBILITY |
128 | |
129 | #endif |
130 |