Added utf8proc_is_punctuation.

We'll probably need this when the spec for emph/strong gets
revised.

2 files changed, 161 insertions, 0 deletions

diff --git a/src/utf8.c b/src/utf8.c
index d642ef4..c798981 100644
--- a/src/utf8.c
+++ b/src/utf8.c
@@ -189,3 +189,163 @@ void utf8proc_case_fold(strbuf *dest, const uint8_t *str, int len)
 		len -= char_len;
 	}
 }
+
+// matches anything in the P[cdefios] classes.
+int utf8proc_is_punctuation(int32_t uc)
+{
+	return ((uc >= 33 && uc <= 35) ||
+		(uc >= 37 && uc <= 42) ||
+		(uc >= 44 && uc <= 47) ||
+		(uc >= 58 && uc <= 59) ||
+		(uc >= 63 && uc <= 64) ||
+		(uc >= 91 && uc <= 93) ||
+		uc == 95 ||
+		uc == 123 ||
+		uc == 125 ||
+		uc == 161 ||
+		uc == 167 ||
+		uc == 171 ||
+		(uc >= 182 && uc <= 183) ||
+		uc == 187 ||
+		uc == 191 ||
+		uc == 894 ||
+		uc == 903 ||
+		(uc >= 1370 && uc <= 1375) ||
+		(uc >= 1417 && uc <= 1418) ||
+		uc == 1470 ||
+		uc == 1472 ||
+		uc == 1475 ||
+		uc == 1478 ||
+		(uc >= 1523 && uc <= 1524) ||
+		(uc >= 1545 && uc <= 1546) ||
+		(uc >= 1548 && uc <= 1549) ||
+		uc == 1563 ||
+		(uc >= 1566 && uc <= 1567) ||
+		(uc >= 1642 && uc <= 1645) ||
+		uc == 1748 ||
+		(uc >= 1792 && uc <= 1805) ||
+		(uc >= 2039 && uc <= 2041) ||
+		(uc >= 2096 && uc <= 2110) ||
+		uc == 2142 ||
+		(uc >= 2404 && uc <= 2405) ||
+		uc == 2416 ||
+		uc == 2800 ||
+		uc == 3572 ||
+		uc == 3663 ||
+		(uc >= 3674 && uc <= 3675) ||
+		(uc >= 3844 && uc <= 3858) ||
+		uc == 3860 ||
+		(uc >= 3898 && uc <= 3901) ||
+		uc == 3973 ||
+		(uc >= 4048 && uc <= 4052) ||
+		(uc >= 4057 && uc <= 4058) ||
+		(uc >= 4170 && uc <= 4175) ||
+		uc == 4347 ||
+		(uc >= 4960 && uc <= 4968) ||
+		uc == 5120 ||
+		(uc >= 5741 && uc <= 5742) ||
+		(uc >= 5787 && uc <= 5788) ||
+		(uc >= 5867 && uc <= 5869) ||
+		(uc >= 5941 && uc <= 5942) ||
+		(uc >= 6100 && uc <= 6102) ||
+		(uc >= 6104 && uc <= 6106) ||
+		(uc >= 6144 && uc <= 6154) ||
+		(uc >= 6468 && uc <= 6469) ||
+		(uc >= 6686 && uc <= 6687) ||
+		(uc >= 6816 && uc <= 6822) ||
+		(uc >= 6824 && uc <= 6829) ||
+		(uc >= 7002 && uc <= 7008) ||
+		(uc >= 7164 && uc <= 7167) ||
+		(uc >= 7227 && uc <= 7231) ||
+		(uc >= 7294 && uc <= 7295) ||
+		(uc >= 7360 && uc <= 7367) ||
+		uc == 7379 ||
+		(uc >= 8208 && uc <= 8231) ||
+		(uc >= 8240 && uc <= 8259) ||
+		(uc >= 8261 && uc <= 8273) ||
+		(uc >= 8275 && uc <= 8286) ||
+		(uc >= 8317 && uc <= 8318) ||
+		(uc >= 8333 && uc <= 8334) ||
+		(uc >= 8968 && uc <= 8971) ||
+		(uc >= 9001 && uc <= 9002) ||
+		(uc >= 10088 && uc <= 10101) ||
+		(uc >= 10181 && uc <= 10182) ||
+		(uc >= 10214 && uc <= 10223) ||
+		(uc >= 10627 && uc <= 10648) ||
+		(uc >= 10712 && uc <= 10715) ||
+		(uc >= 10748 && uc <= 10749) ||
+		(uc >= 11513 && uc <= 11516) ||
+		(uc >= 11518 && uc <= 11519) ||
+		uc == 11632 ||
+		(uc >= 11776 && uc <= 11822) ||
+		(uc >= 11824 && uc <= 11842) ||
+		(uc >= 12289 && uc <= 12291) ||
+		(uc >= 12296 && uc <= 12305) ||
+		(uc >= 12308 && uc <= 12319) ||
+		uc == 12336 ||
+		uc == 12349 ||
+		uc == 12448 ||
+		uc == 12539 ||
+		(uc >= 42238 && uc <= 42239) ||
+		(uc >= 42509 && uc <= 42511) ||
+		uc == 42611 ||
+		uc == 42622 ||
+		(uc >= 42738 && uc <= 42743) ||
+		(uc >= 43124 && uc <= 43127) ||
+		(uc >= 43214 && uc <= 43215) ||
+		(uc >= 43256 && uc <= 43258) ||
+		(uc >= 43310 && uc <= 43311) ||
+		uc == 43359 ||
+		(uc >= 43457 && uc <= 43469) ||
+		(uc >= 43486 && uc <= 43487) ||
+		(uc >= 43612 && uc <= 43615) ||
+		(uc >= 43742 && uc <= 43743) ||
+		(uc >= 43760 && uc <= 43761) ||
+		uc == 44011 ||
+		(uc >= 64830 && uc <= 64831) ||
+		(uc >= 65040 && uc <= 65049) ||
+		(uc >= 65072 && uc <= 65106) ||
+		(uc >= 65108 && uc <= 65121) ||
+		uc == 65123 ||
+		uc == 65128 ||
+		(uc >= 65130 && uc <= 65131) ||
+		(uc >= 65281 && uc <= 65283) ||
+		(uc >= 65285 && uc <= 65290) ||
+		(uc >= 65292 && uc <= 65295) ||
+		(uc >= 65306 && uc <= 65307) ||
+		(uc >= 65311 && uc <= 65312) ||
+		(uc >= 65339 && uc <= 65341) ||
+		uc == 65343 ||
+		uc == 65371 ||
+		uc == 65373 ||
+		(uc >= 65375 && uc <= 65381) ||
+		(uc >= 65792 && uc <= 65794) ||
+		uc == 66463 ||
+		uc == 66512 ||
+		uc == 66927 ||
+		uc == 67671 ||
+		uc == 67871 ||
+		uc == 67903 ||
+		(uc >= 68176 && uc <= 68184) ||
+		uc == 68223 ||
+		(uc >= 68336 && uc <= 68342) ||
+		(uc >= 68409 && uc <= 68415) ||
+		(uc >= 68505 && uc <= 68508) ||
+		(uc >= 69703 && uc <= 69709) ||
+		(uc >= 69819 && uc <= 69820) ||
+		(uc >= 69822 && uc <= 69825) ||
+		(uc >= 69952 && uc <= 69955) ||
+		(uc >= 70004 && uc <= 70005) ||
+		(uc >= 70085 && uc <= 70088) ||
+		uc == 70093 ||
+		(uc >= 70200 && uc <= 70205) ||
+		uc == 70854 ||
+		(uc >= 71105 && uc <= 71113) ||
+		(uc >= 71233 && uc <= 71235) ||
+		(uc >= 74864 && uc <= 74868) ||
+		(uc >= 92782 && uc <= 92783) ||
+		uc == 92917 ||
+		(uc >= 92983 && uc <= 92987) ||
+		uc == 92996 ||
+		uc == 113823);
+}
diff --git a/src/utf8.h b/src/utf8.h
index 4114063..2474e07 100644
--- a/src/utf8.h
+++ b/src/utf8.h
@@ -13,6 +13,7 @@ void utf8proc_encode_char(int32_t uc, cmark_strbuf *buf);
 int utf8proc_iterate(const uint8_t *str, int str_len, int32_t *dst);
 int utf8proc_charlen(const uint8_t *str, int str_len);
 void utf8proc_detab(cmark_strbuf *dest, const uint8_t *line, size_t size);
+int utf8proc_is_punctuation(int32_t uc);
 
 #ifdef __cplusplus
 }