#!/bin/sh
# $NetBSD: genman,v 1.6 2024/04/05 22:30:18 christos Exp $

# Copyright (c) 2009, 2013 The NetBSD Foundation, Inc.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Roy Marples.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.


# Generate variable tables for terminfo.5 from our source files.

set -e
: ${TOOL_SED:=sed}
: ${TOOL_SORT:=sort}

TERMM=${1:-terminfo.5.in}
TERMH=${2:-term.h}
TERMC=${3:-termcap_map.c}

gentab()
{
	local ti=$1 tc=$2 tab=$3

	# Generate a list of long names and codes
	$TOOL_SED -n \
	-e "s/#define t_\([^(]*\).*>$tab\[TICODE_\([^]]*\).*/\1 \2/p" \
	$ti | $TOOL_SORT | while read name code _; do
		cap=$($TOOL_SED -ne "s/.*{ \"\(..\)\", TICODE_$code }.*/\1/p" \
		    $tc | head -n 1)
		desc=$($TOOL_SED -ne "s/ \* $name\: \(.*\)/\1/p" $ti)
		printf '.It "\\&%s" Ta Sy "\\&%s" Ta Sy "\\&%s" Ta "\\&%s"\n' "${name}" "${code}" "${cap}" "${desc}"
	done
}

boolcaps=$(gentab $TERMH $TERMC flags)
numcaps=$(gentab $TERMH $TERMC nums)
strcaps=$(gentab $TERMH $TERMC strs)

printf '.\\"DO NOT EDIT\n'
printf '.\\"Automatically generated from termcap.5.in\n'
printf '.\\"\n'

while read -r line; do
	case "$line" in
	"@BOOLCAPS@")	printf '%s\n' "${boolcaps}";;
	"@NUMCAPS@")	printf '%s\n' "${numcaps}";;
	"@STRCAPS@")	printf '%s\n' "${strcaps}";;
	*)		printf '%s\n' "${line}";;
	esac
done <$TERMM