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34 lines
680 B
34 lines
680 B
7 years ago
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#ifndef _SWAY_UNICODE_H
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#define _SWAY_UNICODE_H
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#include <stddef.h>
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#include <stdint.h>
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// Technically UTF-8 supports up to 6 byte codepoints, but Unicode itself
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// doesn't really bother with more than 4.
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#define UTF8_MAX_SIZE 4
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#define UTF8_INVALID 0x80
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/**
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* Grabs the next UTF-8 character and advances the string pointer
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*/
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uint32_t utf8_decode(const char **str);
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/**
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* Encodes a character as UTF-8 and returns the length of that character.
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*/
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size_t utf8_encode(char *str, uint32_t ch);
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/**
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* Returns the size of the next UTF-8 character
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*/
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int utf8_size(const char *str);
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/**
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* Returns the size of a UTF-8 character
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*/
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size_t utf8_chsize(uint32_t ch);
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#endif
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