1#!/bin/sh
2##############################################################################
3# Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.                #
4#                                                                            #
5# Permission is hereby granted, free of charge, to any person obtaining a    #
6# copy of this software and associated documentation files (the "Software"), #
7# to deal in the Software without restriction, including without limitation  #
8# the rights to use, copy, modify, merge, publish, distribute, distribute    #
9# with modifications, sublicense, and/or sell copies of the Software, and to #
10# permit persons to whom the Software is furnished to do so, subject to the  #
11# following conditions:                                                      #
12#                                                                            #
13# The above copyright notice and this permission notice shall be included in #
14# all copies or substantial portions of the Software.                        #
15#                                                                            #
16# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
17# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   #
18# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    #
19# THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER      #
20# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    #
21# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        #
22# DEALINGS IN THE SOFTWARE.                                                  #
23#                                                                            #
24# Except as contained in this notice, the name(s) of the above copyright     #
25# holders shall not be used in advertising or otherwise to promote the sale, #
26# use or other dealings in this Software without prior written               #
27# authorization.                                                             #
28##############################################################################
29# $Id: MKfallback.sh,v 1.15 2010/08/07 20:32:34 tom Exp $
30#
31# MKfallback.sh -- create fallback table for entry reads
32#
33# This script generates source code for a custom version of read_entry.c
34# that (instead of reading capabilities for an argument terminal type
35# from an on-disk terminfo tree) tries to match the type with one of a
36# specified list of types generated in.
37#
38
39terminfo_dir=$1
40shift
41
42terminfo_src=$1
43shift
44
45tic_path=$1
46shift
47
48case $tic_path in #(vi
49/*)
50	tic_head=`echo "$tic_path" | sed -e 's,/[^/]*$,,'`
51	PATH=$tic_head:$PATH
52	export PATH
53	;;
54esac
55
56if test $# != 0 ; then
57	tmp_info=tmp_info
58	echo creating temporary terminfo directory... >&2
59
60	TERMINFO=`pwd`/$tmp_info
61	export TERMINFO
62
63	TERMINFO_DIRS=$TERMINFO:$terminfo_dir
64	export TERMINFO_DIRS
65
66	$tic_path -x $terminfo_src >&2
67else
68	tmp_info=
69fi
70
71cat <<EOF
72/*
73 * DO NOT EDIT THIS FILE BY HAND!  It is generated by MKfallback.sh.
74 */
75
76#include <curses.priv.h>
77
78EOF
79
80if [ "$*" ]
81then
82	cat <<EOF
83#include <tic.h>
84
85/* fallback entries for: $* */
86EOF
87	for x in $*
88	do
89		echo "/* $x */"
90		infocmp -E $x
91	done
92
93	cat <<EOF
94static const TERMTYPE fallbacks[$#] =
95{
96EOF
97	comma=""
98	for x in $*
99	do
100		echo "$comma /* $x */"
101		infocmp -e $x
102		comma=","
103	done
104
105	cat <<EOF
106};
107
108EOF
109fi
110
111cat <<EOF
112NCURSES_EXPORT(const TERMTYPE *) _nc_fallback (const char *name GCC_UNUSED)
113{
114EOF
115
116if [ "$*" ]
117then
118	cat <<EOF
119    const TERMTYPE	*tp;
120
121    for (tp = fallbacks;
122	 	tp < fallbacks + sizeof(fallbacks)/sizeof(TERMTYPE);
123	 	tp++)
124	if (_nc_name_match(tp->term_names, name, "|"))
125	    return(tp);
126EOF
127else
128	echo "	/* the fallback list is empty */";
129fi
130
131cat <<EOF
132	return((TERMTYPE *)0);
133}
134EOF
135
136if test -n "$tmp_info" ; then
137	echo removing temporary terminfo directory... >&2
138	rm -rf $tmp_info
139fi
140