# Since the debugger uses Term::ReadLine which uses Term::Cap, we want
# to load as few modules as possible. This includes Carp.pm.
-sub carp {
+sub carp
+{
require Carp;
goto &Carp::carp;
}
-sub croak {
+sub croak
+{
require Carp;
goto &Carp::croak;
}
use vars qw($VERSION $VMS_TERMCAP);
use vars qw($termpat $state $first $entry);
-$VERSION = '1.09';
+$VERSION = '1.10';
# Version undef: Thu Dec 14 20:02:42 CST 1995 by sanders@bsdi.com
# Version 1.00: Thu Nov 30 23:34:29 EST 2000 by schwern@pobox.com
# Core (Fri Aug 30 14:15:55 CEST 2002):
# Cope with comments lines from 'infocmp' from Brendan O'Dea
# Allow for EBCDIC in Tgoto magic test.
+# Version 1.10: Thu Oct 18 16:52:20 BST 2007
+# Don't use try to use $ENV{HOME} if it doesn't exist
+# Give Win32 'dumb' if TERM isn't set
+# Provide fallback 'dumb' termcap entry as last resort
# TODO:
# support Berkeley DB termcaps
-# should probably be a .xs module
# force $FH into callers package?
# keep $FH in object at Tgetent time?
# If a different termcap is required then the text of one can be supplied
# in $Term::Cap::VMS_TERMCAP before Tgetent is called.
-if ( $^O eq 'VMS') {
- chomp (my @entry = <DATA>);
- $VMS_TERMCAP = join '', @entry;
+if ( $^O eq 'VMS' )
+{
+ chomp( my @entry = <DATA> );
+ $VMS_TERMCAP = join '', @entry;
}
# Returns a list of termcap files to check.
-sub termcap_path { ## private
+sub termcap_path
+{ ## private
my @termcap_path;
+
# $TERMCAP, if it's a filespec
- push(@termcap_path, $ENV{TERMCAP})
- if ((exists $ENV{TERMCAP}) &&
- (($^O eq 'os2' || $^O eq 'MSWin32' || $^O eq 'dos')
- ? $ENV{TERMCAP} =~ /^[a-z]:[\\\/]/is
- : $ENV{TERMCAP} =~ /^\//s));
- if ((exists $ENV{TERMPATH}) && ($ENV{TERMPATH})) {
- # Add the users $TERMPATH
- push(@termcap_path, split(/(:|\s+)/, $ENV{TERMPATH}))
+ push( @termcap_path, $ENV{TERMCAP} )
+ if (
+ ( exists $ENV{TERMCAP} )
+ && (
+ ( $^O eq 'os2' || $^O eq 'MSWin32' || $^O eq 'dos' )
+ ? $ENV{TERMCAP} =~ /^[a-z]:[\\\/]/is
+ : $ENV{TERMCAP} =~ /^\//s
+ )
+ );
+ if ( ( exists $ENV{TERMPATH} ) && ( $ENV{TERMPATH} ) )
+ {
+
+ # Add the users $TERMPATH
+ push( @termcap_path, split( /(:|\s+)/, $ENV{TERMPATH} ) );
}
- else {
- # Defaults
- push(@termcap_path,
- $ENV{'HOME'} . '/.termcap',
- '/etc/termcap',
- '/usr/share/misc/termcap',
- );
+ else
+ {
+
+ # Defaults
+ push( @termcap_path,
+ exists $ENV{'HOME'} ? $ENV{'HOME'} . '/.termcap' : undef,
+ '/etc/termcap', '/usr/share/misc/termcap', );
}
# return the list of those termcaps that exist
- return grep(-f, @termcap_path);
+ return grep { defined $_ && -f $_ } @termcap_path;
}
=item B<Tgetent>
=cut
-sub Tgetent { ## public -- static method
+sub Tgetent
+{ ## public -- static method
my $class = shift;
my ($self) = @_;
$self = {} unless defined $self;
bless $self, $class;
- my($term,$cap,$search,$field,$max,$tmp_term,$TERMCAP);
- local($termpat,$state,$first,$entry); # used inside eval
+ my ( $term, $cap, $search, $field, $max, $tmp_term, $TERMCAP );
+ local ( $termpat, $state, $first, $entry ); # used inside eval
local $_;
# Compute PADDING factor from OSPEED (to be used by Tpad)
- if (! $self->{OSPEED}) {
- if ( $^W ) {
- carp "OSPEED was not set, defaulting to 9600";
+ if ( !$self->{OSPEED} )
+ {
+ if ($^W)
+ {
+ carp "OSPEED was not set, defaulting to 9600";
}
- $self->{OSPEED} = 9600;
+ $self->{OSPEED} = 9600;
}
- if ($self->{OSPEED} < 16) {
- # delays for old style speeds
- my @pad = (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);
- $self->{PADDING} = $pad[$self->{OSPEED}];
+ if ( $self->{OSPEED} < 16 )
+ {
+
+ # delays for old style speeds
+ my @pad = (
+ 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
+ );
+ $self->{PADDING} = $pad[ $self->{OSPEED} ];
}
- else {
- $self->{PADDING} = 10000 / $self->{OSPEED};
+ else
+ {
+ $self->{PADDING} = 10000 / $self->{OSPEED};
}
- $self->{TERM} = ($self->{TERM} || $ENV{TERM} || croak "TERM not set");
- $term = $self->{TERM}; # $term is the term type we are looking for
+ unless ( $self->{TERM} )
+ {
+ if ( $ENV{TERM} )
+ {
+ $self->{TERM} = $ENV{TERM} ;
+ }
+ else
+ {
+ if ( $^O eq 'Win32' )
+ {
+ $self->{TERM} = 'dumb';
+ }
+ else
+ {
+ croak "TERM not set";
+ }
+ }
+ }
+
+ $term = $self->{TERM}; # $term is the term type we are looking for
# $tmp_term is always the next term (possibly :tc=...:) we are looking for
$tmp_term = $self->{TERM};
- # protect any pattern metacharacters in $tmp_term
- $termpat = $tmp_term; $termpat =~ s/(\W)/\\$1/g;
- my $foo = (exists $ENV{TERMCAP} ? $ENV{TERMCAP} : '');
+ # protect any pattern metacharacters in $tmp_term
+ $termpat = $tmp_term;
+ $termpat =~ s/(\W)/\\$1/g;
+
+ my $foo = ( exists $ENV{TERMCAP} ? $ENV{TERMCAP} : '' );
# $entry is the extracted termcap entry
- if (($foo !~ m:^/:s) && ($foo =~ m/(^|\|)${termpat}[:|]/s)) {
- $entry = $foo;
+ if ( ( $foo !~ m:^/:s ) && ( $foo =~ m/(^|\|)${termpat}[:|]/s ) )
+ {
+ $entry = $foo;
}
my @termcap_path = termcap_path();
- unless (@termcap_path || $entry)
+ unless ( @termcap_path || $entry )
{
- # last resort--fake up a termcap from terminfo
- local $ENV{TERM} = $term;
- if ( $^O eq 'VMS' ) {
- $entry = $VMS_TERMCAP;
+ # last resort--fake up a termcap from terminfo
+ local $ENV{TERM} = $term;
+
+ if ( $^O eq 'VMS' )
+ {
+ $entry = $VMS_TERMCAP;
}
- else {
- if ( grep { -x "$_/infocmp" } split /:/, $ENV{PATH} ) {
- eval
- {
- my $tmp = `infocmp -C 2>/dev/null`;
- $tmp =~ s/^#.*\n//gm; # remove comments
- if (( $tmp !~ m%^/%s ) && ( $tmp =~ /(^|\|)${termpat}[:|]/s)) {
- $entry = $tmp;
- }
- };
- }
+ else
+ {
+ if ( grep { -x "$_/infocmp" } split /:/, $ENV{PATH} )
+ {
+ eval {
+ my $tmp = `infocmp -C 2>/dev/null`;
+ $tmp =~ s/^#.*\n//gm; # remove comments
+ if ( ( $tmp !~ m%^/%s )
+ && ( $tmp =~ /(^|\|)${termpat}[:|]/s ) )
+ {
+ $entry = $tmp;
+ }
+ };
+ }
+ else
+ {
+ # this is getting desperate now
+ if ( $self->{TERM} eq 'dumb' )
+ {
+ $entry = 'dumb|80-column dumb tty::am::co#80::bl=^G:cr=^M:do=^J:sf=^J:';
+ }
+ }
}
}
croak "Can't find a valid termcap file" unless @termcap_path || $entry;
- $state = 1; # 0 == finished
- # 1 == next file
- # 2 == search again
+ $state = 1; # 0 == finished
+ # 1 == next file
+ # 2 == search again
- $first = 0; # first entry (keeps term name)
+ $first = 0; # first entry (keeps term name)
- $max = 32; # max :tc=...:'s
+ $max = 32; # max :tc=...:'s
- if ($entry) {
- # ok, we're starting with $TERMCAP
- $first++; # we're the first entry
- # do we need to continue?
- if ($entry =~ s/:tc=([^:]+):/:/) {
- $tmp_term = $1;
- # protect any pattern metacharacters in $tmp_term
- $termpat = $tmp_term; $termpat =~ s/(\W)/\\$1/g;
- }
- else {
- $state = 0; # we're already finished
- }
+ if ($entry)
+ {
+
+ # ok, we're starting with $TERMCAP
+ $first++; # we're the first entry
+ # do we need to continue?
+ if ( $entry =~ s/:tc=([^:]+):/:/ )
+ {
+ $tmp_term = $1;
+
+ # protect any pattern metacharacters in $tmp_term
+ $termpat = $tmp_term;
+ $termpat =~ s/(\W)/\\$1/g;
+ }
+ else
+ {
+ $state = 0; # we're already finished
+ }
}
# This is eval'ed inside the while loop for each file
$entry .= $_ if $_;
};
- while ($state != 0) {
- if ($state == 1) {
- # get the next TERMCAP
- $TERMCAP = shift @termcap_path
- || croak "failed termcap lookup on $tmp_term";
- }
- else {
- # do the same file again
- # prevent endless recursion
- $max-- || croak "failed termcap loop at $tmp_term";
- $state = 1; # ok, maybe do a new file next time
- }
+ while ( $state != 0 )
+ {
+ if ( $state == 1 )
+ {
+
+ # get the next TERMCAP
+ $TERMCAP = shift @termcap_path
+ || croak "failed termcap lookup on $tmp_term";
+ }
+ else
+ {
+
+ # do the same file again
+ # prevent endless recursion
+ $max-- || croak "failed termcap loop at $tmp_term";
+ $state = 1; # ok, maybe do a new file next time
+ }
+
+ open( TERMCAP, "< $TERMCAP\0" ) || croak "open $TERMCAP: $!";
+ eval $search;
+ die $@ if $@;
+ close TERMCAP;
- open(TERMCAP,"< $TERMCAP\0") || croak "open $TERMCAP: $!";
- eval $search;
- die $@ if $@;
- close TERMCAP;
+ # If :tc=...: found then search this file again
+ $entry =~ s/:tc=([^:]+):/:/ && ( $tmp_term = $1, $state = 2 );
- # If :tc=...: found then search this file again
- $entry =~ s/:tc=([^:]+):/:/ && ($tmp_term = $1, $state = 2);
- # protect any pattern metacharacters in $tmp_term
- $termpat = $tmp_term; $termpat =~ s/(\W)/\\$1/g;
+ # protect any pattern metacharacters in $tmp_term
+ $termpat = $tmp_term;
+ $termpat =~ s/(\W)/\\$1/g;
}
croak "Can't find $term" if $entry eq '';
- $entry =~ s/:+\s*:+/:/g; # cleanup $entry
- $entry =~ s/:+/:/g; # cleanup $entry
- $self->{TERMCAP} = $entry; # save it
- # print STDERR "DEBUG: $entry = ", $entry, "\n";
+ $entry =~ s/:+\s*:+/:/g; # cleanup $entry
+ $entry =~ s/:+/:/g; # cleanup $entry
+ $self->{TERMCAP} = $entry; # save it
+ # print STDERR "DEBUG: $entry = ", $entry, "\n";
# Precompile $entry into the object
$entry =~ s/^[^:]*://;
- foreach $field (split(/:[\s:\\]*/,$entry)) {
- if (defined $field && $field =~ /^(\w\w)$/) {
- $self->{'_' . $field} = 1 unless defined $self->{'_' . $1};
- # print STDERR "DEBUG: flag $1\n";
- }
- elsif (defined $field && $field =~ /^(\w\w)\@/) {
- $self->{'_' . $1} = "";
- # print STDERR "DEBUG: unset $1\n";
- }
- elsif (defined $field && $field =~ /^(\w\w)#(.*)/) {
- $self->{'_' . $1} = $2 unless defined $self->{'_' . $1};
- # print STDERR "DEBUG: numeric $1 = $2\n";
- }
- elsif (defined $field && $field =~ /^(\w\w)=(.*)/) {
- # print STDERR "DEBUG: string $1 = $2\n";
- next if defined $self->{'_' . ($cap = $1)};
- $_ = $2;
- s/\\E/\033/g;
- s/\\(\d\d\d)/pack('c',oct($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;
- $self->{'_' . $cap} = $_;
- }
- # else { carp "junk in $term ignored: $field"; }
+ foreach $field ( split( /:[\s:\\]*/, $entry ) )
+ {
+ if ( defined $field && $field =~ /^(\w\w)$/ )
+ {
+ $self->{ '_' . $field } = 1 unless defined $self->{ '_' . $1 };
+
+ # print STDERR "DEBUG: flag $1\n";
+ }
+ elsif ( defined $field && $field =~ /^(\w\w)\@/ )
+ {
+ $self->{ '_' . $1 } = "";
+
+ # print STDERR "DEBUG: unset $1\n";
+ }
+ elsif ( defined $field && $field =~ /^(\w\w)#(.*)/ )
+ {
+ $self->{ '_' . $1 } = $2 unless defined $self->{ '_' . $1 };
+
+ # print STDERR "DEBUG: numeric $1 = $2\n";
+ }
+ elsif ( defined $field && $field =~ /^(\w\w)=(.*)/ )
+ {
+
+ # print STDERR "DEBUG: string $1 = $2\n";
+ next if defined $self->{ '_' . ( $cap = $1 ) };
+ $_ = $2;
+ s/\\E/\033/g;
+ s/\\(\d\d\d)/pack('c',oct($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;
+ $self->{ '_' . $cap } = $_;
+ }
+
+ # else { carp "junk in $term ignored: $field"; }
}
$self->{'_pc'} = "\0" unless defined $self->{'_pc'};
$self->{'_bc'} = "\b" unless defined $self->{'_bc'};
=cut
-sub Tpad { ## public
+sub Tpad
+{ ## public
my $self = shift;
- my($string, $cnt, $FH) = @_;
- my($decr, $ms);
-
- if (defined $string && $string =~ /(^[\d.]+)(\*?)(.*)$/) {
- $ms = $1;
- $ms *= $cnt if $2;
- $string = $3;
- $decr = $self->{PADDING};
- if ($decr > .1) {
- $ms += $decr / 2;
- $string .= $self->{'_pc'} x ($ms / $decr);
- }
+ my ( $string, $cnt, $FH ) = @_;
+ my ( $decr, $ms );
+
+ if ( defined $string && $string =~ /(^[\d.]+)(\*?)(.*)$/ )
+ {
+ $ms = $1;
+ $ms *= $cnt if $2;
+ $string = $3;
+ $decr = $self->{PADDING};
+ if ( $decr > .1 )
+ {
+ $ms += $decr / 2;
+ $string .= $self->{'_pc'} x ( $ms / $decr );
+ }
}
print $FH $string if $FH;
$string;
=cut
-sub Tputs { ## public
+sub Tputs
+{ ## public
my $self = shift;
- my($cap, $cnt, $FH) = @_;
+ my ( $cap, $cnt, $FH ) = @_;
my $string;
$cnt = 0 unless $cnt;
- if ($cnt > 1) {
- $string = Tpad($self, $self->{'_' . $cap}, $cnt);
- } else {
- # cache result because Tpad can be slow
- unless (exists $self->{$cap}) {
- $self->{$cap} = exists $self->{"_$cap"} ?
- Tpad($self, $self->{"_$cap"}, 1) : undef;
- }
- $string = $self->{$cap};
+ if ( $cnt > 1 )
+ {
+ $string = Tpad( $self, $self->{ '_' . $cap }, $cnt );
+ }
+ else
+ {
+
+ # cache result because Tpad can be slow
+ unless ( exists $self->{$cap} )
+ {
+ $self->{$cap} =
+ exists $self->{"_$cap"}
+ ? Tpad( $self, $self->{"_$cap"}, 1 )
+ : undef;
+ }
+ $string = $self->{$cap};
}
print $FH $string if $FH;
$string;
=cut
-sub Tgoto { ## public
+sub Tgoto
+{ ## public
my $self = shift;
- my($cap, $code, $tmp, $FH) = @_;
- my $string = $self->{'_' . $cap};
+ my ( $cap, $code, $tmp, $FH ) = @_;
+ my $string = $self->{ '_' . $cap };
my $result = '';
- my $after = '';
+ my $after = '';
my $online = 0;
- my @tmp = ($tmp,$code);
- my $cnt = $code;
-
- while ($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 .= $self->{'_up'} if $self->{'_up'};
- }
- else {
- ++$tmp, $after .= $self->{'_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";
- }
+ my @tmp = ( $tmp, $code );
+ my $cnt = $code;
+
+ 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 .= $self->{'_up'} if $self->{'_up'};
+ }
+ else
+ {
+ ++$tmp, $after .= $self->{'_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";
+ }
}
- $string = Tpad($self, $result . $string . $after, $cnt);
+ $string = Tpad( $self, $result . $string . $after, $cnt );
print $FH $string if $FH;
$string;
}
=cut
-sub Trequire { ## public
+sub Trequire
+{ ## public
my $self = shift;
- my($cap,@undefined);
- foreach $cap (@_) {
- push(@undefined, $cap)
- unless defined $self->{'_' . $cap} && $self->{'_' . $cap};
+ my ( $cap, @undefined );
+ foreach $cap (@_)
+ {
+ push( @undefined, $cap )
+ unless defined $self->{ '_' . $cap } && $self->{ '_' . $cap };
}
croak "Terminal does not support: (@undefined)" if @undefined;
}
projects / platform / upstream / perl.git / commitdiff