#!/usr/bin/env bash
# Copyright (C) 2015 Luke Shumaker <lukeshu@sbcglobal.net>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301 USA

requests=$1
printf '//'
printf ' %q' "$0" "$@"
printf '\n// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT\n\n'
cat <<EOF | gofmt
package nslcd_server

import (
	"golang.org/x/sys/unix"
	p "git.lukeshu.com/go/libnslcd/nslcd_proto"
)

// The Backend interface allows the backend store to be implemented
// separately from the protocol implementation.  Each request type
// that the nslcd server may reply to is implemented simply as a
// method that returns a channel of the resulting values.
type Backend interface {
	$(sed -rn 's/([^_]+)(.*)/\1\2(unix.Ucred, p.Request_\1\2) <-chan p.\1/p' "$requests" | grep -v PAM)
	$(sed -rn 's/(PAM)(.*)/\1\2(unix.Ucred, p.Request_\1\2) <-chan p.\1\2/p' "$requests")
}
EOF