Replace wchar and friends with Unicode handling.

All text handling should now be explicitly UTF-8 or UTF-32, removing the
ambiguity around wchar_t and related functions.

1 files changed, 27 insertions, 0 deletions

diff --git a/src/unicode.h b/src/unicode.h
new file mode 100644
index 0000000..45631d9
--- /dev/null
+++ b/src/unicode.h
@@ -0,0 +1,27 @@
+#ifndef UNICODE_H
+#define UNICODE_H
+
+#include <glib.h>
+#include <stdint.h>
+
+uint8_t utf32_to_utf8(uint32_t c, char *buf);
+uint32_t utf8_to_utf32(const char *s);
+
+uint32_t utf32_isprint(uint32_t c);
+uint32_t utf32_isspace(uint32_t c);
+uint32_t utf32_isupper(uint32_t c);
+uint32_t utf32_islower(uint32_t c);
+uint32_t utf32_isalnum(uint32_t c);
+uint32_t utf32_toupper(uint32_t c);
+uint32_t utf32_tolower(uint32_t c);
+
+char *utf8_next_char(const char *s);
+char *utf8_prev_char(const char *s);
+char *utf8_strchr(const char *s, uint32_t c);
+char *utf8_strcasechr(const char *s, uint32_t c);
+size_t utf8_strlen(const char *s);
+char *utf8_strcasestr(const char * restrict haystack, const char * restrict needle);
+char *utf8_normalize(const char *s);
+char *utf8_compose(const char *s);
+
+#endif /* UNICODE_H */