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 | # define reinit_unicode(LANG) ((void)0)
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31 |
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32 | #else
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33 |
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34 | # if CONFIG_LAST_SUPPORTED_WCHAR < 126 || CONFIG_LAST_SUPPORTED_WCHAR >= 0x30000
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35 | # undef CONFIG_LAST_SUPPORTED_WCHAR
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36 | # define CONFIG_LAST_SUPPORTED_WCHAR 0x2ffff
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37 | # endif
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38 |
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39 | # if CONFIG_LAST_SUPPORTED_WCHAR < 0x300
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40 | # undef ENABLE_UNICODE_COMBINING_WCHARS
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41 | # define ENABLE_UNICODE_COMBINING_WCHARS 0
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42 | # endif
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43 |
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44 | # if CONFIG_LAST_SUPPORTED_WCHAR < 0x1100
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45 | # undef ENABLE_UNICODE_WIDE_WCHARS
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46 | # define ENABLE_UNICODE_WIDE_WCHARS 0
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47 | # endif
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48 |
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49 | # if CONFIG_LAST_SUPPORTED_WCHAR < 0x590
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50 | # undef ENABLE_UNICODE_BIDI_SUPPORT
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51 | # define ENABLE_UNICODE_BIDI_SUPPORT 0
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52 | # endif
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53 |
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54 | /* Number of unicode chars. Falls back to strlen() on invalid unicode */
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55 | size_t FAST_FUNC unicode_strlen(const char *string);
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56 | /* Width on terminal */
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57 | size_t FAST_FUNC unicode_strwidth(const char *string);
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58 | enum {
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59 | UNI_FLAG_PAD = (1 << 0),
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60 | };
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61 | //UNUSED: unsigned FAST_FUNC unicode_padding_to_width(unsigned width, const char *src);
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62 | //UNUSED: char* FAST_FUNC unicode_conv_to_printable2(uni_stat_t *stats, const char *src, unsigned width, int flags);
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63 | char* FAST_FUNC unicode_conv_to_printable(uni_stat_t *stats, const char *src);
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64 | //UNUSED: char* FAST_FUNC unicode_conv_to_printable_maxwidth(uni_stat_t *stats, const char *src, unsigned maxwidth);
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65 | char* FAST_FUNC unicode_conv_to_printable_fixedwidth(/*uni_stat_t *stats,*/ const char *src, unsigned width);
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66 |
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67 | # if ENABLE_UNICODE_USING_LOCALE
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68 |
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69 | extern uint8_t unicode_status;
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70 | void init_unicode(void) FAST_FUNC;
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71 | void reinit_unicode(const char *LANG) FAST_FUNC;
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72 |
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73 | # else
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74 |
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75 | /* Homegrown Unicode support. It knows only C and Unicode locales. */
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76 |
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77 | # if !ENABLE_FEATURE_CHECK_UNICODE_IN_ENV
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78 | # define unicode_status UNICODE_ON
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79 | # define init_unicode() ((void)0)
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80 | # define reinit_unicode(LANG) ((void)0)
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81 | # else
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82 | extern uint8_t unicode_status;
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83 | void init_unicode(void) FAST_FUNC;
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84 | void reinit_unicode(const char *LANG) FAST_FUNC;
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85 | # endif
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86 |
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87 | # undef MB_CUR_MAX
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88 | # define MB_CUR_MAX 6
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89 |
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90 | /* Prevent name collisions */
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91 | # define wint_t bb_wint_t
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92 | # define mbstate_t bb_mbstate_t
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93 | # define mbstowcs bb_mbstowcs
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94 | # define wcstombs bb_wcstombs
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95 | # define wcrtomb bb_wcrtomb
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96 | # define iswspace bb_iswspace
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97 | # define iswalnum bb_iswalnum
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98 | # define iswpunct bb_iswpunct
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99 | # define wcwidth bb_wcwidth
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100 |
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101 | typedef int32_t wint_t;
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102 | typedef struct {
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103 | char bogus;
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104 | } mbstate_t;
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105 |
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106 | size_t mbstowcs(wchar_t *dest, const char *src, size_t n) FAST_FUNC;
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107 | size_t wcstombs(char *dest, const wchar_t *src, size_t n) FAST_FUNC;
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108 | size_t wcrtomb(char *s, wchar_t wc, mbstate_t *ps) FAST_FUNC;
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109 | int iswspace(wint_t wc) FAST_FUNC;
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110 | int iswalnum(wint_t wc) FAST_FUNC;
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111 | int iswpunct(wint_t wc) FAST_FUNC;
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112 | int wcwidth(unsigned ucs) FAST_FUNC;
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113 | # if ENABLE_UNICODE_BIDI_SUPPORT
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114 | # undef unicode_bidi_isrtl
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115 | int unicode_bidi_isrtl(wint_t wc) FAST_FUNC;
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116 | # if ENABLE_UNICODE_NEUTRAL_TABLE
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117 | # undef unicode_bidi_is_neutral_wchar
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118 | int unicode_bidi_is_neutral_wchar(wint_t wc) FAST_FUNC;
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119 | # endif
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120 | # endif
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121 |
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122 |
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123 | # endif /* !UNICODE_USING_LOCALE */
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124 |
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125 | #endif /* UNICODE_SUPPORT */
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126 |
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127 | POP_SAVED_FUNCTION_VISIBILITY
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128 |
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129 | #endif
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