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