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#!/bin/sh
cache()
{
name="/tmp/librune/rtype/$(basename "$1")"
if test ! -f "$name"
then
mkdir -p /tmp/librune/rtype
wget -q "$1" -O "$name"
fi
}
set -e
cd "${0%/*}/.."
exec >include/internal/rtype/jg.h
readonly URL='https://www.unicode.org/Public/UCD/latest/ucd/extracted/DerivedJoiningGroup.txt'
cache "$URL"
cat <<C
/* This file is autogenerated by gen/rtype-jg; DO NOT EDIT. */
#ifndef RUNE_INTERNAL_RTYPE_JG_H
#define RUNE_INTERNAL_RTYPE_JG_H
/* IWYU pragma: private */
/* clang-format off */
#include "../types.h"
#include "../../rtype.h"
#include "../../rune.h"
static const struct {
rune lo, hi;
rprop_jg_bf val;
} rtype_jg_tbl[] = {
C
gawk '
BEGIN {
FS = "( *#.*| +; +)"
}
/^[^#]/ {
n = split($1, a, /\.\./)
lo = strtonum("0X" a[1])
hi = strtonum("0X" a[n])
for (i = lo; i <= hi; i++)
props[i] = toupper($2)
}
END {
for (i = 0; i <= 0x10FFFF; i++) {
if (!props[i])
continue
lo = i
while (props[lo] == props[i + 1])
i++
printf "\t{RUNE_C(0x%06X), RUNE_C(0x%06X), JG_%s},\n", lo, i, props[lo]
}
}
' /tmp/librune/rtype/DerivedJoiningGroup.txt | sort
cat <<C
};
#endif /* !RUNE_INTERNAL_RTYPE_JG_H */
C
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