diff options
Diffstat (limited to 'lib/Term/Cap.pm')
| -rw-r--r-- | lib/Term/Cap.pm | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/lib/Term/Cap.pm b/lib/Term/Cap.pm new file mode 100644 index 0000000000..30389bb37c --- /dev/null +++ b/lib/Term/Cap.pm @@ -0,0 +1,174 @@ +package Term::Cap; +require 5.000; +require Exporter; +use Carp; + +@ISA = qw(Exporter); +@EXPORT = qw(&Tgetent &Tputs &Tgoto $ispeed $ospeed %TC); + +# $RCSfile: termcap.pl,v $$Revision: 4.1 $$Date: 92/08/07 18:24:16 $ +# +# Usage: +# require 'ioctl.pl'; +# ioctl(TTY,$TIOCGETP,$foo); +# ($ispeed,$ospeed) = unpack('cc',$foo); +# use Termcap; +# &Tgetent('vt100'); # sets $TC{'cm'}, etc. +# &Tputs(&Tgoto($TC{'cm'},$col,$row), 0, 'FILEHANDLE'); +# &Tputs($TC{'dl'},$affcnt,'FILEHANDLE'); +# +sub Tgetent { + local($TERM) = @_; + local($TERMCAP,$_,$entry,$loop,$field); + + warn "Tgetent: no ospeed set" unless $ospeed; + foreach $key (keys(%TC)) { + delete $TC{$key}; + } + $TERM = $ENV{'TERM'} unless $TERM; + $TERM =~ s/(\W)/\\$1/g; + $TERMCAP = $ENV{'TERMCAP'}; + $TERMCAP = '/etc/termcap' unless $TERMCAP; + if ($TERMCAP !~ m:^/:) { + if ($TERMCAP !~ /(^|\|)$TERM[:\|]/) { + $TERMCAP = '/etc/termcap'; + } + } + if ($TERMCAP =~ m:^/:) { + $entry = ''; + do { + $loop = " + open(TERMCAP,'<$TERMCAP') || croak \"Can't open $TERMCAP\"; + while (<TERMCAP>) { + next if /^#/; + next if /^\t/; + if (/(^|\\|)${TERM}[:\\|]/) { + chop; + while (chop eq '\\\\') { + \$_ .= <TERMCAP>; + chop; + } + \$_ .= ':'; + last; + } + } + close TERMCAP; + \$entry .= \$_; + "; + eval $loop; + } while s/:tc=([^:]+):/:/ && ($TERM = $1); + $TERMCAP = $entry; + } + + foreach $field (split(/:[\s:\\]*/,$TERMCAP)) { + if ($field =~ /^\w\w$/) { + $TC{$field} = 1; + } + elsif ($field =~ /^(\w\w)#(.*)/) { + $TC{$1} = $2 unless defined $TC{$1}; + } + elsif ($field =~ /^(\w\w)=(.*)/) { + $entry = $1; + $_ = $2; + s/\\E/\033/g; + s/\\(\d\d\d)/pack('c',$1 & 0177)/eg; + s/\\n/\n/g; + s/\\r/\r/g; + s/\\t/\t/g; + s/\\b/\b/g; + s/\\f/\f/g; + s/\\\^/\377/g; + s/\^\?/\177/g; + s/\^(.)/pack('c',ord($1) & 31)/eg; + s/\\(.)/$1/g; + s/\377/^/g; + $TC{$entry} = $_ unless defined $TC{$entry}; + } + } + $TC{'pc'} = "\0" unless defined $TC{'pc'}; + $TC{'bc'} = "\b" unless defined $TC{'bc'}; +} + +@Tputs = (0,200,133.3,90.9,74.3,66.7,50,33.3,16.7,8.3,5.5,4.1,2,1,.5,.2); + +sub Tputs { + local($string,$affcnt,$FH) = @_; + local($ms); + if ($string =~ /(^[\d.]+)(\*?)(.*)$/) { + $ms = $1; + $ms *= $affcnt if $2; + $string = $3; + $decr = $Tputs[$ospeed]; + if ($decr > .1) { + $ms += $decr / 2; + $string .= $TC{'pc'} x ($ms / $decr); + } + } + print $FH $string if $FH; + $string; +} + +sub Tgoto { + local($string) = shift(@_); + local($result) = ''; + local($after) = ''; + local($code,$tmp) = @_; + local(@tmp); + @tmp = ($tmp,$code); + local($online) = 0; + while ($string =~ /^([^%]*)%(.)(.*)/) { + $result .= $1; + $code = $2; + $string = $3; + if ($code eq 'd') { + $result .= sprintf("%d",shift(@tmp)); + } + elsif ($code eq '.') { + $tmp = shift(@tmp); + if ($tmp == 0 || $tmp == 4 || $tmp == 10) { + if ($online) { + ++$tmp, $after .= $TC{'up'} if $TC{'up'}; + } + else { + ++$tmp, $after .= $TC{'bc'}; + } + } + $result .= sprintf("%c",$tmp); + $online = !$online; + } + elsif ($code eq '+') { + $result .= sprintf("%c",shift(@tmp)+ord($string)); + $string = substr($string,1,99); + $online = !$online; + } + elsif ($code eq 'r') { + ($code,$tmp) = @tmp; + @tmp = ($tmp,$code); + $online = !$online; + } + elsif ($code eq '>') { + ($code,$tmp,$string) = unpack("CCa99",$string); + if ($tmp[$[] > $code) { + $tmp[$[] += $tmp; + } + } + elsif ($code eq '2') { + $result .= sprintf("%02d",shift(@tmp)); + $online = !$online; + } + elsif ($code eq '3') { + $result .= sprintf("%03d",shift(@tmp)); + $online = !$online; + } + elsif ($code eq 'i') { + ($code,$tmp) = @tmp; + @tmp = ($code+1,$tmp+1); + } + else { + return "OOPS"; + } + } + $result . $string . $after; +} + +1; |