[3320] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Licensed under GPLv2, see file LICENSE in this source tree.
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| 4 | */
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| 5 | #ifndef UNICODE_H
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| 6 | #define UNICODE_H 1
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| 7 |
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| 8 | #if ENABLE_UNICODE_USING_LOCALE
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| 9 | # include <wchar.h>
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| 10 | # include <wctype.h>
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| 11 | #endif
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| 12 |
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| 13 | PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
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| 14 |
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| 15 | enum {
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| 16 | UNICODE_UNKNOWN = 0,
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| 17 | UNICODE_OFF = 1,
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| 18 | UNICODE_ON = 2,
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| 19 | };
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| 20 |
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| 21 | #define unicode_bidi_isrtl(wc) 0
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| 22 | #define unicode_bidi_is_neutral_wchar(wc) (wc <= 126 && !isalpha(wc))
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| 23 |
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| 24 | #if !ENABLE_UNICODE_SUPPORT
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| 25 |
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| 26 | # define unicode_strlen(string) strlen(string)
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| 27 | # define unicode_strwidth(string) strlen(string)
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| 28 | # define unicode_status UNICODE_OFF
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| 29 | # define init_unicode() ((void)0)
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| 30 |
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| 31 | #else
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| 32 |
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| 33 | # if CONFIG_LAST_SUPPORTED_WCHAR < 126 || CONFIG_LAST_SUPPORTED_WCHAR >= 0x30000
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| 34 | # undef CONFIG_LAST_SUPPORTED_WCHAR
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| 35 | # define CONFIG_LAST_SUPPORTED_WCHAR 0x2ffff
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| 36 | # endif
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| 37 |
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| 38 | # if CONFIG_LAST_SUPPORTED_WCHAR < 0x300
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| 39 | # undef ENABLE_UNICODE_COMBINING_WCHARS
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| 40 | # define ENABLE_UNICODE_COMBINING_WCHARS 0
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| 41 | # endif
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| 42 |
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| 43 | # if CONFIG_LAST_SUPPORTED_WCHAR < 0x1100
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| 44 | # undef ENABLE_UNICODE_WIDE_WCHARS
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| 45 | # define ENABLE_UNICODE_WIDE_WCHARS 0
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| 46 | # endif
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| 47 |
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| 48 | # if CONFIG_LAST_SUPPORTED_WCHAR < 0x590
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| 49 | # undef ENABLE_UNICODE_BIDI_SUPPORT
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| 50 | # define ENABLE_UNICODE_BIDI_SUPPORT 0
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| 51 | # endif
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| 52 |
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| 53 | /* Number of unicode chars. Falls back to strlen() on invalid unicode */
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| 54 | size_t FAST_FUNC unicode_strlen(const char *string);
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| 55 | /* Width on terminal */
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| 56 | size_t FAST_FUNC unicode_strwidth(const char *string);
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| 57 | enum {
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| 58 | UNI_FLAG_PAD = (1 << 0),
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| 59 | };
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| 60 | //UNUSED: unsigned FAST_FUNC unicode_padding_to_width(unsigned width, const char *src);
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| 61 | //UNUSED: char* FAST_FUNC unicode_conv_to_printable2(uni_stat_t *stats, const char *src, unsigned width, int flags);
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| 62 | char* FAST_FUNC unicode_conv_to_printable(uni_stat_t *stats, const char *src);
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| 63 | char* FAST_FUNC unicode_conv_to_printable_maxwidth(uni_stat_t *stats, const char *src, unsigned maxwidth);
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| 64 | char* FAST_FUNC unicode_conv_to_printable_fixedwidth(uni_stat_t *stats, const char *src, unsigned width);
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| 65 |
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| 66 | # if ENABLE_UNICODE_USING_LOCALE
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| 67 |
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| 68 | extern uint8_t unicode_status;
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| 69 | void init_unicode(void) FAST_FUNC;
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| 70 |
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| 71 | # else
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| 72 |
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| 73 | /* Homegrown Unicode support. It knows only C and Unicode locales. */
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| 74 |
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| 75 | # if !ENABLE_FEATURE_CHECK_UNICODE_IN_ENV
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| 76 | # define unicode_status UNICODE_ON
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| 77 | # define init_unicode() ((void)0)
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| 78 | # else
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| 79 | extern uint8_t unicode_status;
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| 80 | void init_unicode(void) FAST_FUNC;
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| 81 | # endif
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| 82 |
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| 83 | # undef MB_CUR_MAX
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| 84 | # define MB_CUR_MAX 6
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| 85 |
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| 86 | /* Prevent name collisions */
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| 87 | # define wint_t bb_wint_t
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| 88 | # define mbstate_t bb_mbstate_t
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| 89 | # define mbstowcs bb_mbstowcs
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| 90 | # define wcstombs bb_wcstombs
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| 91 | # define wcrtomb bb_wcrtomb
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| 92 | # define iswspace bb_iswspace
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| 93 | # define iswalnum bb_iswalnum
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| 94 | # define iswpunct bb_iswpunct
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| 95 | # define wcwidth bb_wcwidth
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| 96 |
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| 97 | typedef int32_t wint_t;
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| 98 | typedef struct {
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| 99 | char bogus;
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| 100 | } mbstate_t;
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| 101 |
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| 102 | size_t mbstowcs(wchar_t *dest, const char *src, size_t n) FAST_FUNC;
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| 103 | size_t wcstombs(char *dest, const wchar_t *src, size_t n) FAST_FUNC;
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| 104 | size_t wcrtomb(char *s, wchar_t wc, mbstate_t *ps) FAST_FUNC;
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| 105 | int iswspace(wint_t wc) FAST_FUNC;
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| 106 | int iswalnum(wint_t wc) FAST_FUNC;
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| 107 | int iswpunct(wint_t wc) FAST_FUNC;
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| 108 | int wcwidth(unsigned ucs) FAST_FUNC;
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| 109 | # if ENABLE_UNICODE_BIDI_SUPPORT
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| 110 | # undef unicode_bidi_isrtl
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| 111 | int unicode_bidi_isrtl(wint_t wc) FAST_FUNC;
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| 112 | # if ENABLE_UNICODE_NEUTRAL_TABLE
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| 113 | # undef unicode_bidi_is_neutral_wchar
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| 114 | int unicode_bidi_is_neutral_wchar(wint_t wc) FAST_FUNC;
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| 115 | # endif
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| 116 | # endif
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| 117 |
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| 118 |
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| 119 | # endif /* !UNICODE_USING_LOCALE */
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| 120 |
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| 121 | #endif /* UNICODE_SUPPORT */
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| 122 |
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| 123 | POP_SAVED_FUNCTION_VISIBILITY
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| 124 |
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| 125 | #endif
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