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a0d0e21e | 1 | ;# $RCSfile: termcap.pl,v $$Revision: 4.1 $$Date: 92/08/07 18:24:16 $ |
a6d71656 GS |
2 | # |
3 | # This library is no longer being maintained, and is included for backward | |
4 | # compatibility with Perl 4 programs which may require it. | |
9748ec9a S |
5 | # This legacy library is deprecated and will be removed in a future |
6 | # release of perl. | |
a6d71656 GS |
7 | # |
8 | # In particular, this should not be used as an example of modern Perl | |
9 | # programming techniques. | |
10 | # | |
11 | # Suggested alternative: Term::Cap | |
12 | # | |
9748ec9a S |
13 | |
14 | warn( "The 'termcap.pl' legacy library is deprecated and will be" | |
15 | . " removed in the next major release of perl. Please use the" | |
16 | . " Term::Cap module instead." ); | |
17 | ||
a687059c LW |
18 | ;# |
19 | ;# Usage: | |
e929a76b | 20 | ;# require 'ioctl.pl'; |
a687059c LW |
21 | ;# ioctl(TTY,$TIOCGETP,$foo); |
22 | ;# ($ispeed,$ospeed) = unpack('cc',$foo); | |
a0d0e21e | 23 | ;# require 'termcap.pl'; |
9f68db38 LW |
24 | ;# &Tgetent('vt100'); # sets $TC{'cm'}, etc. |
25 | ;# &Tputs(&Tgoto($TC{'cm'},$col,$row), 0, 'FILEHANDLE'); | |
26 | ;# &Tputs($TC{'dl'},$affcnt,'FILEHANDLE'); | |
a687059c LW |
27 | ;# |
28 | sub Tgetent { | |
29 | local($TERM) = @_; | |
30 | local($TERMCAP,$_,$entry,$loop,$field); | |
31 | ||
a60e505a | 32 | # warn "Tgetent: no ospeed set" unless $ospeed; |
40da2db3 | 33 | foreach $key (keys %TC) { |
a687059c LW |
34 | delete $TC{$key}; |
35 | } | |
36 | $TERM = $ENV{'TERM'} unless $TERM; | |
a0d0e21e | 37 | $TERM =~ s/(\W)/\\$1/g; |
a687059c LW |
38 | $TERMCAP = $ENV{'TERMCAP'}; |
39 | $TERMCAP = '/etc/termcap' unless $TERMCAP; | |
40 | if ($TERMCAP !~ m:^/:) { | |
7c0587c8 | 41 | if ($TERMCAP !~ /(^|\|)$TERM[:\|]/) { |
a687059c LW |
42 | $TERMCAP = '/etc/termcap'; |
43 | } | |
44 | } | |
45 | if ($TERMCAP =~ m:^/:) { | |
46 | $entry = ''; | |
47 | do { | |
48 | $loop = " | |
49 | open(TERMCAP,'<$TERMCAP') || die \"Can't open $TERMCAP\"; | |
50 | while (<TERMCAP>) { | |
51 | next if /^#/; | |
52 | next if /^\t/; | |
a0d0e21e | 53 | if (/(^|\\|)${TERM}[:\\|]/) { |
a687059c LW |
54 | chop; |
55 | while (chop eq '\\\\') { | |
56 | \$_ .= <TERMCAP>; | |
57 | chop; | |
58 | } | |
59 | \$_ .= ':'; | |
60 | last; | |
61 | } | |
62 | } | |
63 | close TERMCAP; | |
64 | \$entry .= \$_; | |
65 | "; | |
66 | eval $loop; | |
9f68db38 | 67 | } while s/:tc=([^:]+):/:/ && ($TERM = $1); |
a687059c LW |
68 | $TERMCAP = $entry; |
69 | } | |
70 | ||
71 | foreach $field (split(/:[\s:\\]*/,$TERMCAP)) { | |
72 | if ($field =~ /^\w\w$/) { | |
73 | $TC{$field} = 1; | |
74 | } | |
75 | elsif ($field =~ /^(\w\w)#(.*)/) { | |
a0d0e21e | 76 | $TC{$1} = $2 if $TC{$1} eq ''; |
a687059c LW |
77 | } |
78 | elsif ($field =~ /^(\w\w)=(.*)/) { | |
79 | $entry = $1; | |
80 | $_ = $2; | |
81 | s/\\E/\033/g; | |
55497cff | 82 | s/\\(200)/pack('c',0)/eg; # NUL character |
83 | s/\\(0\d\d)/pack('c',oct($1))/eg; # octal | |
84 | s/\\(0x[0-9A-Fa-f][0-9A-Fa-f])/pack('c',hex($1))/eg; # hex | |
a687059c LW |
85 | s/\\(\d\d\d)/pack('c',$1 & 0177)/eg; |
86 | s/\\n/\n/g; | |
87 | s/\\r/\r/g; | |
88 | s/\\t/\t/g; | |
89 | s/\\b/\b/g; | |
90 | s/\\f/\f/g; | |
91 | s/\\\^/\377/g; | |
92 | s/\^\?/\177/g; | |
63f2c1e1 | 93 | s/\^(.)/pack('c',ord($1) & 31)/eg; |
a687059c LW |
94 | s/\\(.)/$1/g; |
95 | s/\377/^/g; | |
a0d0e21e | 96 | $TC{$entry} = $_ if $TC{$entry} eq ''; |
a687059c LW |
97 | } |
98 | } | |
a0d0e21e LW |
99 | $TC{'pc'} = "\0" if $TC{'pc'} eq ''; |
100 | $TC{'bc'} = "\b" if $TC{'bc'} eq ''; | |
a687059c LW |
101 | } |
102 | ||
103 | @Tputs = (0,200,133.3,90.9,74.3,66.7,50,33.3,16.7,8.3,5.5,4.1,2,1,.5,.2); | |
104 | ||
105 | sub Tputs { | |
106 | local($string,$affcnt,$FH) = @_; | |
107 | local($ms); | |
108 | if ($string =~ /(^[\d.]+)(\*?)(.*)$/) { | |
109 | $ms = $1; | |
110 | $ms *= $affcnt if $2; | |
111 | $string = $3; | |
112 | $decr = $Tputs[$ospeed]; | |
113 | if ($decr > .1) { | |
114 | $ms += $decr / 2; | |
115 | $string .= $TC{'pc'} x ($ms / $decr); | |
116 | } | |
117 | } | |
118 | print $FH $string if $FH; | |
119 | $string; | |
120 | } | |
121 | ||
122 | sub Tgoto { | |
123 | local($string) = shift(@_); | |
124 | local($result) = ''; | |
125 | local($after) = ''; | |
126 | local($code,$tmp) = @_; | |
9f68db38 LW |
127 | local(@tmp); |
128 | @tmp = ($tmp,$code); | |
a687059c LW |
129 | local($online) = 0; |
130 | while ($string =~ /^([^%]*)%(.)(.*)/) { | |
131 | $result .= $1; | |
132 | $code = $2; | |
133 | $string = $3; | |
134 | if ($code eq 'd') { | |
9f68db38 | 135 | $result .= sprintf("%d",shift(@tmp)); |
a687059c LW |
136 | } |
137 | elsif ($code eq '.') { | |
9f68db38 | 138 | $tmp = shift(@tmp); |
a687059c LW |
139 | if ($tmp == 0 || $tmp == 4 || $tmp == 10) { |
140 | if ($online) { | |
141 | ++$tmp, $after .= $TC{'up'} if $TC{'up'}; | |
142 | } | |
143 | else { | |
144 | ++$tmp, $after .= $TC{'bc'}; | |
145 | } | |
146 | } | |
147 | $result .= sprintf("%c",$tmp); | |
148 | $online = !$online; | |
149 | } | |
150 | elsif ($code eq '+') { | |
9f68db38 | 151 | $result .= sprintf("%c",shift(@tmp)+ord($string)); |
a687059c LW |
152 | $string = substr($string,1,99); |
153 | $online = !$online; | |
154 | } | |
155 | elsif ($code eq 'r') { | |
9f68db38 LW |
156 | ($code,$tmp) = @tmp; |
157 | @tmp = ($tmp,$code); | |
a687059c LW |
158 | $online = !$online; |
159 | } | |
160 | elsif ($code eq '>') { | |
161 | ($code,$tmp,$string) = unpack("CCa99",$string); | |
9f68db38 LW |
162 | if ($tmp[$[] > $code) { |
163 | $tmp[$[] += $tmp; | |
a687059c LW |
164 | } |
165 | } | |
166 | elsif ($code eq '2') { | |
9f68db38 | 167 | $result .= sprintf("%02d",shift(@tmp)); |
a687059c LW |
168 | $online = !$online; |
169 | } | |
170 | elsif ($code eq '3') { | |
9f68db38 | 171 | $result .= sprintf("%03d",shift(@tmp)); |
a687059c LW |
172 | $online = !$online; |
173 | } | |
174 | elsif ($code eq 'i') { | |
9f68db38 LW |
175 | ($code,$tmp) = @tmp; |
176 | @tmp = ($code+1,$tmp+1); | |
a687059c LW |
177 | } |
178 | else { | |
179 | return "OOPS"; | |
180 | } | |
181 | } | |
182 | $result . $string . $after; | |
183 | } | |
184 | ||
185 | 1; |