170 lines
3.7 KiB
Perl
170 lines
3.7 KiB
Perl
;# $RCSfile: termcap.pl,v $$Revision: 4.1 $$Date: 92/08/07 18:24:16 $
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;#
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;# Usage:
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;# require 'ioctl.pl';
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;# ioctl(TTY,$TIOCGETP,$foo);
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;# ($ispeed,$ospeed) = unpack('cc',$foo);
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;# require 'termcap.pl';
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;# &Tgetent('vt100'); # sets $TC{'cm'}, etc.
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;# &Tputs(&Tgoto($TC{'cm'},$col,$row), 0, 'FILEHANDLE');
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;# &Tputs($TC{'dl'},$affcnt,'FILEHANDLE');
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;#
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sub Tgetent {
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local($TERM) = @_;
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local($TERMCAP,$_,$entry,$loop,$field);
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warn "Tgetent: no ospeed set" unless $ospeed;
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foreach $key (keys %TC) {
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delete $TC{$key};
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}
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$TERM = $ENV{'TERM'} unless $TERM;
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$TERM =~ s/(\W)/\\$1/g;
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$TERMCAP = $ENV{'TERMCAP'};
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$TERMCAP = '/etc/termcap' unless $TERMCAP;
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if ($TERMCAP !~ m:^/:) {
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if ($TERMCAP !~ /(^|\|)$TERM[:\|]/) {
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$TERMCAP = '/etc/termcap';
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}
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}
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if ($TERMCAP =~ m:^/:) {
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$entry = '';
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do {
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$loop = "
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open(TERMCAP,'<$TERMCAP') || die \"Can't open $TERMCAP\";
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while (<TERMCAP>) {
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next if /^#/;
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next if /^\t/;
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if (/(^|\\|)${TERM}[:\\|]/) {
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chop;
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while (chop eq '\\\\') {
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\$_ .= <TERMCAP>;
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chop;
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}
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\$_ .= ':';
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last;
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}
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}
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close TERMCAP;
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\$entry .= \$_;
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";
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eval $loop;
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} while s/:tc=([^:]+):/:/ && ($TERM = $1);
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$TERMCAP = $entry;
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}
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foreach $field (split(/:[\s:\\]*/,$TERMCAP)) {
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if ($field =~ /^\w\w$/) {
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$TC{$field} = 1;
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}
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elsif ($field =~ /^(\w\w)#(.*)/) {
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$TC{$1} = $2 if $TC{$1} eq '';
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}
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elsif ($field =~ /^(\w\w)=(.*)/) {
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$entry = $1;
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$_ = $2;
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s/\\E/\033/g;
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s/\\(200)/pack('c',0)/eg; # NUL character
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s/\\(0\d\d)/pack('c',oct($1))/eg; # octal
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s/\\(0x[0-9A-Fa-f][0-9A-Fa-f])/pack('c',hex($1))/eg; # hex
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s/\\(\d\d\d)/pack('c',$1 & 0177)/eg;
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s/\\n/\n/g;
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s/\\r/\r/g;
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s/\\t/\t/g;
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s/\\b/\b/g;
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s/\\f/\f/g;
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s/\\\^/\377/g;
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s/\^\?/\177/g;
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s/\^(.)/pack('c',ord($1) & 31)/eg;
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s/\\(.)/$1/g;
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s/\377/^/g;
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$TC{$entry} = $_ if $TC{$entry} eq '';
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}
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}
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$TC{'pc'} = "\0" if $TC{'pc'} eq '';
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$TC{'bc'} = "\b" if $TC{'bc'} eq '';
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}
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@Tputs = (0,200,133.3,90.9,74.3,66.7,50,33.3,16.7,8.3,5.5,4.1,2,1,.5,.2);
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sub Tputs {
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local($string,$affcnt,$FH) = @_;
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local($ms);
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if ($string =~ /(^[\d.]+)(\*?)(.*)$/) {
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$ms = $1;
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$ms *= $affcnt if $2;
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$string = $3;
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$decr = $Tputs[$ospeed];
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if ($decr > .1) {
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$ms += $decr / 2;
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$string .= $TC{'pc'} x ($ms / $decr);
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}
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}
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print $FH $string if $FH;
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$string;
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}
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sub Tgoto {
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local($string) = shift(@_);
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local($result) = '';
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local($after) = '';
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local($code,$tmp) = @_;
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local(@tmp);
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@tmp = ($tmp,$code);
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local($online) = 0;
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while ($string =~ /^([^%]*)%(.)(.*)/) {
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$result .= $1;
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$code = $2;
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$string = $3;
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if ($code eq 'd') {
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$result .= sprintf("%d",shift(@tmp));
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}
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elsif ($code eq '.') {
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$tmp = shift(@tmp);
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if ($tmp == 0 || $tmp == 4 || $tmp == 10) {
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if ($online) {
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++$tmp, $after .= $TC{'up'} if $TC{'up'};
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}
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else {
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++$tmp, $after .= $TC{'bc'};
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}
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}
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$result .= sprintf("%c",$tmp);
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$online = !$online;
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}
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elsif ($code eq '+') {
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$result .= sprintf("%c",shift(@tmp)+ord($string));
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$string = substr($string,1,99);
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$online = !$online;
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}
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elsif ($code eq 'r') {
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($code,$tmp) = @tmp;
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@tmp = ($tmp,$code);
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$online = !$online;
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}
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elsif ($code eq '>') {
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($code,$tmp,$string) = unpack("CCa99",$string);
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if ($tmp[$[] > $code) {
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$tmp[$[] += $tmp;
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}
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}
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elsif ($code eq '2') {
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$result .= sprintf("%02d",shift(@tmp));
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$online = !$online;
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}
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elsif ($code eq '3') {
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$result .= sprintf("%03d",shift(@tmp));
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$online = !$online;
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}
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elsif ($code eq 'i') {
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($code,$tmp) = @tmp;
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@tmp = ($code+1,$tmp+1);
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}
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else {
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return "OOPS";
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}
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}
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$result . $string . $after;
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}
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1;
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