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Add %q for runes in fmt

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This commit is contained in:
gingerBill
2020-11-18 23:40:54 +00:00
parent a39921aa6a
commit fef5172278
2 changed files with 18 additions and 0 deletions
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core/fmt/fmt.odin
+2
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@@ -776,6 +776,8 @@ fmt_rune :: proc(fi: ^Info, r: rune, verb: rune) {
switch verb { switch verb {
case 'c', 'r', 'v': case 'c', 'r', 'v':
strings.write_rune(fi.buf, r); strings.write_rune(fi.buf, r);
case 'q':
strings.write_quoted_rune(fi.buf, r);
case: case:
fmt_int(fi, u64(r), false, 32, verb); fmt_int(fi, u64(r), false, 32, verb);
} }
core/strings/builder.odin
+16
View File
@@ -131,6 +131,22 @@ write_rune :: proc(b: ^Builder, r: rune) -> int {
return n; return n;
} }
write_quoted_rune :: proc(b: ^Builder, r: rune) -> (n: int) {
quote := byte('\'');
n += write_byte(b, quote);
buf, width := utf8.encode_rune(r);
if width == 1 && r == utf8.RUNE_ERROR {
n += write_byte(b, '\\');
n += write_byte(b, 'x');
n += write_byte(b, DIGITS_LOWER[buf[0]>>4]);
n += write_byte(b, DIGITS_LOWER[buf[0]&0xf]);
} else {
n += write_escaped_rune(b, r, quote);
}
n += write_byte(b, quote);
return;
}
write_string :: proc(b: ^Builder, s: string) -> (n: int) { write_string :: proc(b: ^Builder, s: string) -> (n: int) {
return write_bytes(b, transmute([]byte)s); return write_bytes(b, transmute([]byte)s);
} }