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#!/bin/sh
set -e
cd "${0%/*}/../.."
exec >lib/unicode/prop/uprop_get_scf.c
gawk '
BEGIN {
FS = "[ ;]+"
print "/* This file is autogenerated by gen/prop/scf; DO NOT EDIT. */"
print ""
print "#include \"_bsearch.h\""
print "#include \"macros.h\""
print "#include \"rune.h\""
print "#include \"unicode/prop.h\""
print ""
}
$0 !~ /^#/ && $2 ~ /[CS]/ {
map[strtonum("0X" $1)] = strtonum("0X" $3)
}
END {
print "static constexpr rune lookup_lat1[] = {"
for (i = 0; i < 0x100; i++) {
if (i % 8 == 0)
printf "\t"
printf "0x%03X,%s", map[i] ? map[i] : i, i % 8 == 7 ? "\n" : " "
}
print "};"
print ""
print "static const struct {"
print "\trune k, v;"
print "} lookup[] = {"
for (i = 0x100; i <= 0x10FFFF; i++) {
if (!map[i])
continue
printf "\t{RUNE_C(0x%06X), RUNE_C(0x%06X)},\n", i, map[i]
}
print "};"
print ""
print "_MLIB_DEFINE_BSEARCH_KV(rune, lookup, ch)"
print ""
print "rune"
print "uprop_get_scf(rune ch, bool az_or_tr)"
print "{"
print "\tif (az_or_tr) {"
print "\t\tif (ch == \x27I\x27)"
print "\t\t\treturn U\x27ı\x27;"
print "\t\tif (ch == U\x27İ\x27)"
print "\t\t\treturn \x27i\x27;"
print "\t}"
print "\treturn ch < lengthof(lookup_lat1) ? lookup_lat1[ch] : mlib_lookup_kv(ch);"
print "}"
}
' data/CaseFolding
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