xref: /openbsd/lib/libcurses/tinfo/MKfallback.sh (revision d415bd75) 
1# $OpenBSD: MKfallback.sh,v 1.5 2023/10/17 09:52:09 nicm Exp $
2#!/bin/sh
3##############################################################################
4# Copyright 2020,2023 Thomas E. Dickey                                       #
5# Copyright 1998-2019,2020 Free Software Foundation, Inc.                    #
6#                                                                            #
7# Permission is hereby granted, free of charge, to any person obtaining a    #
8# copy of this software and associated documentation files (the "Software"), #
9# to deal in the Software without restriction, including without limitation  #
10# the rights to use, copy, modify, merge, publish, distribute, distribute    #
11# with modifications, sublicense, and/or sell copies of the Software, and to #
12# permit persons to whom the Software is furnished to do so, subject to the  #
13# following conditions:                                                      #
14#                                                                            #
15# The above copyright notice and this permission notice shall be included in #
16# all copies or substantial portions of the Software.                        #
17#                                                                            #
18# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
19# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   #
20# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    #
21# THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER      #
22# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    #
23# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        #
24# DEALINGS IN THE SOFTWARE.                                                  #
25#                                                                            #
26# Except as contained in this notice, the name(s) of the above copyright     #
27# holders shall not be used in advertising or otherwise to promote the sale, #
28# use or other dealings in this Software without prior written               #
29# authorization.                                                             #
30##############################################################################
31# $Id: MKfallback.sh,v 1.5 2023/10/17 09:52:09 nicm Exp $
32#
33# MKfallback.sh -- create fallback table for entry reads
34#
35# This script generates source code for a custom version of read_entry.c
36# that (instead of reading capabilities for an argument terminal type
37# from an on-disk terminfo tree) tries to match the type with one of a
38# specified list of types generated in.
39#
40
41terminfo_dir=$1
42test $# != 0 && shift
43
44terminfo_src=$1
45test $# != 0 && shift
46
47tic_path=$1
48test -z "$tic_path" && tic_path=tic
49test $# != 0 && shift
50
51infocmp_path=$1
52test -z "$infocmp_path" && infocmp_path=infocmp
53test $# != 0 && shift
54
55case "$tic_path" in #(vi
56/*)
57	tic_head=`echo "$tic_path" | sed -e 's,/[^/]*$,,'`
58	PATH=$tic_head:$PATH
59	export PATH
60	;;
61esac
62
63if test $# != 0 ; then
64	tmp_info=tmp_info
65	echo creating temporary terminfo directory... >&2
66
67	TERMINFO=`pwd`/$tmp_info
68	export TERMINFO
69
70	TERMINFO_DIRS=$TERMINFO:$terminfo_dir
71	export TERMINFO_DIRS
72
73	"$tic_path" -x "$terminfo_src" >&2
74else
75	tmp_info=
76fi
77
78cat <<EOF
79/* This file was generated by $0 */
80
81/*
82 * DO NOT EDIT THIS FILE BY HAND!
83 */
84
85#include <curses.priv.h>
86
87EOF
88
89if [ "$*" ]
90then
91	cat <<EOF
92#include <tic.h>
93
94/* fallback entries for: $* */
95EOF
96	for x in "$@"
97	do
98		echo "/* $x */"
99		"$infocmp_path" -E "$x" | sed -e 's/\<short\>/NCURSES_INT2/g'
100	done
101
102	cat <<EOF
103static const TERMTYPE2 fallbacks[$#] =
104{
105EOF
106	comma=""
107	for x in "$@"
108	do
109		echo "$comma /* $x */"
110		"$infocmp_path" -e "$x"
111		comma=","
112	done
113
114	cat <<EOF
115};
116
117EOF
118fi
119
120cat <<EOF
121NCURSES_EXPORT(const TERMTYPE2 *)
122_nc_fallback2 (const char *name GCC_UNUSED)
123{
124EOF
125
126if [ "$*" ]
127then
128	cat <<EOF
129    const TERMTYPE2	*tp;
130
131    for (tp = fallbacks;
132	 tp < fallbacks + sizeof(fallbacks)/sizeof(TERMTYPE2);
133	 tp++) {
134	if (_nc_name_match(tp->term_names, name, "|")) {
135	    return(tp);
136	}
137    }
138EOF
139else
140	echo "	/* the fallback list is empty */";
141fi
142
143cat <<EOF
144    return((const TERMTYPE2 *)0);
145}
146
147#if NCURSES_EXT_NUMBERS
148#undef _nc_fallback
149
150NCURSES_EXPORT(const TERMTYPE *)
151_nc_fallback (const char *name)
152{
153    const TERMTYPE2 *tp = _nc_fallback2(name);
154    const TERMTYPE *result = 0;
155    if (tp != 0) {
156	static TERMTYPE temp;
157	_nc_export_termtype2(&temp, tp);
158	result = &temp;
159    }
160    return result;
161}
162#endif
163EOF
164
165if test -n "$tmp_info" ; then
166	echo removing temporary terminfo directory... >&2
167	rm -rf $tmp_info
168fi
169