diff --git a/core/unicode/utf8/utf8.odin b/core/unicode/utf8/utf8.odin index 6d0b32f48..5b4a6c7a0 100644 --- a/core/unicode/utf8/utf8.odin +++ b/core/unicode/utf8/utf8.odin @@ -128,6 +128,35 @@ decode_rune :: proc(s: []u8) -> (rune, int) { return rune(s0&MASK4)<<18 | rune(b1&MASKX)<<12 | rune(b2&MASKX)<<6 | rune(b3&MASKX), 4; } +string_to_runes :: proc(s: string, allocator := context.allocator) -> (runes: []rune) { + n := rune_count_in_string(s); + + runes = make([]rune, n, allocator); + i := 0; + for r in s { + runes[i] = r; + i += 1; + } + return; +} + +runes_to_string :: proc(runes: []rune, allocator := context.allocator) -> string { + byte_count := 0; + for r in runes { + _, w := encode_rune(r); + byte_count += w; + } + + bytes := make([]byte, byte_count); + offset := 0; + for r in runes { + b, w := encode_rune(r); + copy(bytes[offset:], b[:w]); + offset += w; + } + + return string(bytes); +} decode_last_rune_in_string :: inline proc(s: string) -> (rune, int) do return decode_last_rune(transmute([]u8)s);