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;# $RCSfile: termcap.pl,v $$Revision: 4.1 $$Date: 92/08/07 18:24:16 $ |
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# |
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# This library is no longer being maintained, and is included for backward |
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# compatibility with Perl 4 programs which may require it. |
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# |
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# In particular, this should not be used as an example of modern Perl |
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# programming techniques. |
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# |
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# Suggested alternative: Term::Cap |
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# |
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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; |
