Add uprop_get_na()

1 files changed, 38 insertions, 0 deletions

diff --git a/gen/prop/na b/gen/prop/na
new file mode 100755
index 0000000..5aa24e3
--- /dev/null
+++ b/gen/prop/na
@@ -0,0 +1,38 @@
+#!/bin/sh
+
+set -e
+cd "${0%/*}/../.."
+exec >lib/unicode/prop/uprop_get_na.c
+
+gawk '
+BEGIN {
+	FS = ";"
+
+	print "/* This file is autogenerated by gen/prop/nv; DO NOT EDIT. */"
+	print ""
+	print "#include \"macros.h\""
+	print "#include \"rune.h\""
+	print "#include \"unicode/prop.h\""
+	print ""
+	print "#define _(...) \\"
+	print "\t{(const char8_t []){__VA_ARGS__}, sizeof((const char8_t []){__VA_ARGS__})}"
+	print ""
+	print "static const struct u8view lookup[] = {"
+}
+
+$2 !~ /^</ {
+	gsub(/./, "\x27&\x27, ", $2)
+	sub(/, $/, "", $2)
+	printf "\t[RUNE_C(0x%06X)] = _(%s),\n", strtonum("0X" $1), $2
+}
+
+END {
+	print "};"
+	print ""
+	print "struct u8view"
+	print "uprop_get_na(rune ch)"
+	print "{"
+	print "\treturn ch < lengthof(lookup) ? lookup[ch] : (struct u8view){};"
+	print "}"
+}
+' data/UnicodeData.txt