1#!/bin/sh
2# Copyright (C) 2000-2022 Free Software Foundation, Inc.
3# This file is part of the GNU C Library.
4#
5
6# The GNU C Library is free software; you can redistribute it and/or
7# modify it under the terms of the GNU Lesser General Public
8# License as published by the Free Software Foundation; either
9# version 2.1 of the License, or (at your option) any later version.
10
11# The GNU C Library is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14# Lesser General Public License for more details.
15
16# You should have received a copy of the GNU Lesser General Public
17# License along with the GNU C Library; if not, see
18# <https://www.gnu.org/licenses/>.
19
20# Converts a glibc format charmap to a simple format .table file.
21
22LC_ALL=C
23export LC_ALL
24
25case "$1" in
26  POSIX )
27    # Old POSIX/DKUUG borrowed format
28    grep '^<.*>.*/x[0-9A-Fa-f]*[ 	]*<U....>.*$' | grep -v 'not a real character' | sed -e 's,^<.*>[ 	]*\([/x0-9A-Fa-f]*\)[ 	]*<U\(....\)>.*$,\1	0x\2,' | tr abcdef ABCDEF | sed -e 's,/x\([0-9A-F][0-9A-F]\),\1,g' | sed -e 's,^,0x,' | sort | uniq | grep -v '^0x00	0x\([1-9A-F]...\|.[1-9A-F]..\|..[1-9A-F].\|...[1-9A-F]\)'
29    ;;
30  *)
31    # New Unicode based format
32    sed -e 's,^%IRREVERSIBLE%,,' | grep '^<U[0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]*>[ 	]*/x' | grep -v 'not a real character' | sed -e 's,<U\(....\)>[ 	]*\([/x0-9A-Fa-f]*\).*$,\2	0x\1,' -e 's,<U0*\([1-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F][0-9A-F]*\)>[ 	]*\([/x0-9A-Fa-f]*\).*$,\2	0x\1,' | tr abcdef ABCDEF | sed -e 's,/x\([0-9A-F][0-9A-F]\),\1,g' | sed -e 's,^,0x,' | sort | uniq | grep -v '^0x00	0x\([1-9A-F]...\|.[1-9A-F]..\|..[1-9A-F].\|...[1-9A-F]\)'
33    ;;
34esac
35