#!/usr/bin/env bash
# Copyright (C) 2017-2018 Luke Shumaker <lukeshu@lukeshu.cm>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

{
	printf '//'
	printf ' %q' "$0" "$@"
	printf '\n// Code generated by the above command; DO NOT EDIT.\n\n'
	sed -rn '
		1apackage sd_messages
		1aimport "git.lukeshu.com/go/libsystemd/sd_id128"
		1avar (
		/^#define\s+SD_MESSAGE_/ {
			/\\$/{N;s/\\\n//g;}

			s/^#define\s+SD_MESSAGE_(\S*)/\1 =/

			s/SD_ID128_MAKE\(/sd_id128.ID128{0x/
			s/,/,0x/g
			s/\)/}/

			/SD_ID128_MAKE_STR/d

			s/(^|_)([A-Z])([A-Z]*)/\U\2\L\3/g

			p
		}
		/^$/p
		$a)
		' "$@"
} | gofmt