#ifndef UNICODE_H
#define UNICODE_H 1
-#if !ENABLE_FEATURE_ASSUME_UNICODE
+#if ENABLE_UNICODE_USING_LOCALE
+# include <wchar.h>
+# include <wctype.h>
+#endif
-# define bb_mbstrlen(string) strlen(string)
-# define check_unicode_in_env() ((void)0)
+PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
-#else
+enum {
+ UNICODE_UNKNOWN = 0,
+ UNICODE_OFF = 1,
+ UNICODE_ON = 2,
+};
+
+#define unicode_bidi_isrtl(wc) 0
+#define unicode_bidi_is_neutral_wchar(wc) (wc <= 126 && !isalpha(wc))
+
+#if !ENABLE_UNICODE_SUPPORT
-size_t bb_mbstrlen(const char *string) FAST_FUNC;
+# define unicode_strlen(string) strlen(string)
+# define unicode_strwidth(string) strlen(string)
+# define unicode_status UNICODE_OFF
+# define init_unicode() ((void)0)
-# if ENABLE_LOCALE_SUPPORT
+#else
-# include <wchar.h>
-# include <wctype.h>
-# define check_unicode_in_env() ((void)0)
+# if CONFIG_LAST_SUPPORTED_WCHAR < 126 || CONFIG_LAST_SUPPORTED_WCHAR >= 0x30000
+# undef CONFIG_LAST_SUPPORTED_WCHAR
+# define CONFIG_LAST_SUPPORTED_WCHAR 0x2ffff
+# endif
+
+# if CONFIG_LAST_SUPPORTED_WCHAR < 0x300
+# undef ENABLE_UNICODE_COMBINING_WCHARS
+# define ENABLE_UNICODE_COMBINING_WCHARS 0
+# endif
+
+# if CONFIG_LAST_SUPPORTED_WCHAR < 0x1100
+# undef ENABLE_UNICODE_WIDE_WCHARS
+# define ENABLE_UNICODE_WIDE_WCHARS 0
+# endif
+
+# if CONFIG_LAST_SUPPORTED_WCHAR < 0x590
+# undef ENABLE_UNICODE_BIDI_SUPPORT
+# define ENABLE_UNICODE_BIDI_SUPPORT 0
+# endif
+
+/* Number of unicode chars. Falls back to strlen() on invalid unicode */
+size_t FAST_FUNC unicode_strlen(const char *string);
+/* Width on terminal */
+size_t FAST_FUNC unicode_strwidth(const char *string);
+enum {
+ UNI_FLAG_PAD = (1 << 0),
+};
+//UNUSED: unsigned FAST_FUNC unicode_padding_to_width(unsigned width, const char *src);
+//UNUSED: char* FAST_FUNC unicode_conv_to_printable2(uni_stat_t *stats, const char *src, unsigned width, int flags);
+char* FAST_FUNC unicode_conv_to_printable(uni_stat_t *stats, const char *src);
+char* FAST_FUNC unicode_conv_to_printable_maxwidth(uni_stat_t *stats, const char *src, unsigned maxwidth);
+char* FAST_FUNC unicode_conv_to_printable_fixedwidth(uni_stat_t *stats, const char *src, unsigned width);
+
+# if ENABLE_UNICODE_USING_LOCALE
+
+extern uint8_t unicode_status;
+void init_unicode(void) FAST_FUNC;
# else
-/* Crude "locale support" which knows only C and Unicode locales */
+/* Homegrown Unicode support. It knows only C and Unicode locales. */
# if !ENABLE_FEATURE_CHECK_UNICODE_IN_ENV
-# define check_unicode_in_env() ((void)0)
+# define unicode_status UNICODE_ON
+# define init_unicode() ((void)0)
# else
-void check_unicode_in_env(void) FAST_FUNC;
+extern uint8_t unicode_status;
+void init_unicode(void) FAST_FUNC;
# endif
# undef MB_CUR_MAX
# define iswspace bb_iswspace
# define iswalnum bb_iswalnum
# define iswpunct bb_iswpunct
+# define wcwidth bb_wcwidth
typedef int32_t wint_t;
typedef struct {
int iswspace(wint_t wc) FAST_FUNC;
int iswalnum(wint_t wc) FAST_FUNC;
int iswpunct(wint_t wc) FAST_FUNC;
+int wcwidth(unsigned ucs) FAST_FUNC;
+# if ENABLE_UNICODE_BIDI_SUPPORT
+# undef unicode_bidi_isrtl
+int unicode_bidi_isrtl(wint_t wc) FAST_FUNC;
+# if ENABLE_UNICODE_NEUTRAL_TABLE
+# undef unicode_bidi_is_neutral_wchar
+int unicode_bidi_is_neutral_wchar(wint_t wc) FAST_FUNC;
+# endif
+# endif
+
+
+# endif /* !UNICODE_USING_LOCALE */
-# endif /* !LOCALE_SUPPORT */
+#endif /* UNICODE_SUPPORT */
-#endif /* FEATURE_ASSUME_UNICODE */
+POP_SAVED_FUNCTION_VISIBILITY
#endif