1 | ;# $RCSfile: termcap.pl,v $$Revision: 4.1 $$Date: 92/08/07 18:24:16 $
|
---|
2 | #
|
---|
3 | # This library is no longer being maintained, and is included for backward
|
---|
4 | # compatibility with Perl 4 programs which may require it.
|
---|
5 | #
|
---|
6 | # In particular, this should not be used as an example of modern Perl
|
---|
7 | # programming techniques.
|
---|
8 | #
|
---|
9 | # Suggested alternative: Term::Cap
|
---|
10 | #
|
---|
11 | ;#
|
---|
12 | ;# Usage:
|
---|
13 | ;# require 'ioctl.pl';
|
---|
14 | ;# ioctl(TTY,$TIOCGETP,$foo);
|
---|
15 | ;# ($ispeed,$ospeed) = unpack('cc',$foo);
|
---|
16 | ;# require 'termcap.pl';
|
---|
17 | ;# &Tgetent('vt100'); # sets $TC{'cm'}, etc.
|
---|
18 | ;# &Tputs(&Tgoto($TC{'cm'},$col,$row), 0, 'FILEHANDLE');
|
---|
19 | ;# &Tputs($TC{'dl'},$affcnt,'FILEHANDLE');
|
---|
20 | ;#
|
---|
21 | sub Tgetent {
|
---|
22 | local($TERM) = @_;
|
---|
23 | local($TERMCAP,$_,$entry,$loop,$field);
|
---|
24 |
|
---|
25 | # warn "Tgetent: no ospeed set" unless $ospeed;
|
---|
26 | foreach $key (keys %TC) {
|
---|
27 | delete $TC{$key};
|
---|
28 | }
|
---|
29 | $TERM = $ENV{'TERM'} unless $TERM;
|
---|
30 | $TERM =~ s/(\W)/\\$1/g;
|
---|
31 | $TERMCAP = $ENV{'TERMCAP'};
|
---|
32 | $TERMCAP = '/etc/termcap' unless $TERMCAP;
|
---|
33 | if ($TERMCAP !~ m:^/:) {
|
---|
34 | if ($TERMCAP !~ /(^|\|)$TERM[:\|]/) {
|
---|
35 | $TERMCAP = '/etc/termcap';
|
---|
36 | }
|
---|
37 | }
|
---|
38 | if ($TERMCAP =~ m:^/:) {
|
---|
39 | $entry = '';
|
---|
40 | do {
|
---|
41 | $loop = "
|
---|
42 | open(TERMCAP,'<$TERMCAP') || die \"Can't open $TERMCAP\";
|
---|
43 | while (<TERMCAP>) {
|
---|
44 | next if /^#/;
|
---|
45 | next if /^\t/;
|
---|
46 | if (/(^|\\|)${TERM}[:\\|]/) {
|
---|
47 | chop;
|
---|
48 | while (chop eq '\\\\') {
|
---|
49 | \$_ .= <TERMCAP>;
|
---|
50 | chop;
|
---|
51 | }
|
---|
52 | \$_ .= ':';
|
---|
53 | last;
|
---|
54 | }
|
---|
55 | }
|
---|
56 | close TERMCAP;
|
---|
57 | \$entry .= \$_;
|
---|
58 | ";
|
---|
59 | eval $loop;
|
---|
60 | } while s/:tc=([^:]+):/:/ && ($TERM = $1);
|
---|
61 | $TERMCAP = $entry;
|
---|
62 | }
|
---|
63 |
|
---|
64 | foreach $field (split(/:[\s:\\]*/,$TERMCAP)) {
|
---|
65 | if ($field =~ /^\w\w$/) {
|
---|
66 | $TC{$field} = 1;
|
---|
67 | }
|
---|
68 | elsif ($field =~ /^(\w\w)#(.*)/) {
|
---|
69 | $TC{$1} = $2 if $TC{$1} eq '';
|
---|
70 | }
|
---|
71 | elsif ($field =~ /^(\w\w)=(.*)/) {
|
---|
72 | $entry = $1;
|
---|
73 | $_ = $2;
|
---|
74 | s/\\E/\033/g;
|
---|
75 | s/\\(200)/pack('c',0)/eg; # NUL character
|
---|
76 | s/\\(0\d\d)/pack('c',oct($1))/eg; # octal
|
---|
77 | s/\\(0x[0-9A-Fa-f][0-9A-Fa-f])/pack('c',hex($1))/eg; # hex
|
---|
78 | s/\\(\d\d\d)/pack('c',$1 & 0177)/eg;
|
---|
79 | s/\\n/\n/g;
|
---|
80 | s/\\r/\r/g;
|
---|
81 | s/\\t/\t/g;
|
---|
82 | s/\\b/\b/g;
|
---|
83 | s/\\f/\f/g;
|
---|
84 | s/\\\^/\377/g;
|
---|
85 | s/\^\?/\177/g;
|
---|
86 | s/\^(.)/pack('c',ord($1) & 31)/eg;
|
---|
87 | s/\\(.)/$1/g;
|
---|
88 | s/\377/^/g;
|
---|
89 | $TC{$entry} = $_ if $TC{$entry} eq '';
|
---|
90 | }
|
---|
91 | }
|
---|
92 | $TC{'pc'} = "\0" if $TC{'pc'} eq '';
|
---|
93 | $TC{'bc'} = "\b" if $TC{'bc'} eq '';
|
---|
94 | }
|
---|
95 |
|
---|
96 | @Tputs = (0,200,133.3,90.9,74.3,66.7,50,33.3,16.7,8.3,5.5,4.1,2,1,.5,.2);
|
---|
97 |
|
---|
98 | sub Tputs {
|
---|
99 | local($string,$affcnt,$FH) = @_;
|
---|
100 | local($ms);
|
---|
101 | if ($string =~ /(^[\d.]+)(\*?)(.*)$/) {
|
---|
102 | $ms = $1;
|
---|
103 | $ms *= $affcnt if $2;
|
---|
104 | $string = $3;
|
---|
105 | $decr = $Tputs[$ospeed];
|
---|
106 | if ($decr > .1) {
|
---|
107 | $ms += $decr / 2;
|
---|
108 | $string .= $TC{'pc'} x ($ms / $decr);
|
---|
109 | }
|
---|
110 | }
|
---|
111 | print $FH $string if $FH;
|
---|
112 | $string;
|
---|
113 | }
|
---|
114 |
|
---|
115 | sub Tgoto {
|
---|
116 | local($string) = shift(@_);
|
---|
117 | local($result) = '';
|
---|
118 | local($after) = '';
|
---|
119 | local($code,$tmp) = @_;
|
---|
120 | local(@tmp);
|
---|
121 | @tmp = ($tmp,$code);
|
---|
122 | local($online) = 0;
|
---|
123 | while ($string =~ /^([^%]*)%(.)(.*)/) {
|
---|
124 | $result .= $1;
|
---|
125 | $code = $2;
|
---|
126 | $string = $3;
|
---|
127 | if ($code eq 'd') {
|
---|
128 | $result .= sprintf("%d",shift(@tmp));
|
---|
129 | }
|
---|
130 | elsif ($code eq '.') {
|
---|
131 | $tmp = shift(@tmp);
|
---|
132 | if ($tmp == 0 || $tmp == 4 || $tmp == 10) {
|
---|
133 | if ($online) {
|
---|
134 | ++$tmp, $after .= $TC{'up'} if $TC{'up'};
|
---|
135 | }
|
---|
136 | else {
|
---|
137 | ++$tmp, $after .= $TC{'bc'};
|
---|
138 | }
|
---|
139 | }
|
---|
140 | $result .= sprintf("%c",$tmp);
|
---|
141 | $online = !$online;
|
---|
142 | }
|
---|
143 | elsif ($code eq '+') {
|
---|
144 | $result .= sprintf("%c",shift(@tmp)+ord($string));
|
---|
145 | $string = substr($string,1,99);
|
---|
146 | $online = !$online;
|
---|
147 | }
|
---|
148 | elsif ($code eq 'r') {
|
---|
149 | ($code,$tmp) = @tmp;
|
---|
150 | @tmp = ($tmp,$code);
|
---|
151 | $online = !$online;
|
---|
152 | }
|
---|
153 | elsif ($code eq '>') {
|
---|
154 | ($code,$tmp,$string) = unpack("CCa99",$string);
|
---|
155 | if ($tmp[$[] > $code) {
|
---|
156 | $tmp[$[] += $tmp;
|
---|
157 | }
|
---|
158 | }
|
---|
159 | elsif ($code eq '2') {
|
---|
160 | $result .= sprintf("%02d",shift(@tmp));
|
---|
161 | $online = !$online;
|
---|
162 | }
|
---|
163 | elsif ($code eq '3') {
|
---|
164 | $result .= sprintf("%03d",shift(@tmp));
|
---|
165 | $online = !$online;
|
---|
166 | }
|
---|
167 | elsif ($code eq 'i') {
|
---|
168 | ($code,$tmp) = @tmp;
|
---|
169 | @tmp = ($code+1,$tmp+1);
|
---|
170 | }
|
---|
171 | else {
|
---|
172 | return "OOPS";
|
---|
173 | }
|
---|
174 | }
|
---|
175 | $result . $string . $after;
|
---|
176 | }
|
---|
177 |
|
---|
178 | 1;
|
---|