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