| 13 |
|
# file(file) : Specify an environment description file |
| 14 |
|
# doc(var) : Print out any documentation for the runtime env |
| 15 |
|
# list() : return a list of all variables set |
| 16 |
+ |
# sethash(hashref) : Set the environment in the hash provided |
| 17 |
|
# printenv(shell) : output environment to stdout in shell format |
| 18 |
|
# getvalue(var) : return a string - modified by type for the var specified |
| 19 |
+ |
# addvar(name,value[,type]) : add a variable - if necessary specify a type |
| 20 |
+ |
# unshiftvar(name,value{,type]) : unshift a variable |
| 21 |
|
|
| 22 |
|
package Runtime; |
| 23 |
|
require 5.004; |
| 39 |
|
$self->_parsefile($filename); |
| 40 |
|
} |
| 41 |
|
|
| 42 |
+ |
sub sethash { |
| 43 |
+ |
my $self=shift; |
| 44 |
+ |
my $hashref=shift; |
| 45 |
+ |
|
| 46 |
+ |
foreach $var ( @{$self->{'varlist'}} ) { |
| 47 |
+ |
$$hashref{$var}=$self->_expandvar($self->getvalue($var)); |
| 48 |
+ |
} |
| 49 |
+ |
} |
| 50 |
+ |
|
| 51 |
|
sub printenv { |
| 52 |
|
my $self=shift; |
| 53 |
|
my $shell=shift; |
| 77 |
|
my @vals=@{$self->{vars}{$name}}; |
| 78 |
|
|
| 79 |
|
if ( defined $self->{'vartype'}{$name} ) { #any type proceesing |
| 80 |
< |
$string=&{"_".$self->{'vartype'}{$name}}(@vals); |
| 80 |
> |
$string=&{"_".$self->{'vartype'}{$name}}($self,@vals); |
| 81 |
|
} |
| 82 |
|
else { |
| 83 |
|
$string=$vals[0]; |
| 85 |
|
return $string; |
| 86 |
|
} |
| 87 |
|
|
| 88 |
+ |
sub addvar { |
| 89 |
+ |
my $self=shift; |
| 90 |
+ |
my $name=shift; |
| 91 |
+ |
my $val=shift; |
| 92 |
+ |
|
| 93 |
+ |
push @{$self->{'varlist'}}, $name; |
| 94 |
+ |
push @{$self->{'vars'}{$name}}, $val; |
| 95 |
+ |
if ( @_ ) { |
| 96 |
+ |
$self->{'vartype'}{$name}=shift;; |
| 97 |
+ |
} |
| 98 |
+ |
else { |
| 99 |
+ |
$self->{'vartype'}{$name}=undef; |
| 100 |
+ |
} |
| 101 |
+ |
} |
| 102 |
+ |
|
| 103 |
+ |
sub unshiftvar { |
| 104 |
+ |
my $self=shift; |
| 105 |
+ |
my $name=shift; |
| 106 |
+ |
my $val=shift; |
| 107 |
+ |
|
| 108 |
+ |
if ( exists $self->{'vars'}{$name} ) { |
| 109 |
+ |
unshift @{$self->{'vars'}{$name}}, $val; |
| 110 |
+ |
} |
| 111 |
+ |
else { |
| 112 |
+ |
$self->addvar($name,$val,@_); |
| 113 |
+ |
} |
| 114 |
+ |
} |
| 115 |
+ |
|
| 116 |
|
# ---- Support Routines |
| 117 |
|
sub _expandvar { |
| 118 |
|
my $self=shift; |
| 149 |
|
return $string; |
| 150 |
|
} |
| 151 |
|
|
| 152 |
+ |
# |
| 153 |
+ |
# removes doubles and whitespace |
| 154 |
+ |
# |
| 155 |
+ |
sub _removedoubles { |
| 156 |
+ |
my $self=shift; |
| 157 |
+ |
my @red=(); |
| 158 |
+ |
|
| 159 |
+ |
foreach $elem ( @_ ) { |
| 160 |
+ |
$elem=~s/^\s+//; # chop leading whitespace |
| 161 |
+ |
if ( (! grep { $_ eq $elem } @red ) && ( $elem ne "")) { |
| 162 |
+ |
push @red,$elem; |
| 163 |
+ |
} |
| 164 |
+ |
} |
| 165 |
+ |
return @red; |
| 166 |
+ |
} |
| 167 |
+ |
|
| 168 |
|
sub _parsefile { |
| 169 |
|
my $self=shift; |
| 170 |
|
my $filename=shift; |
