loncom/xml/run.pm - diff

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version 1.3, 2000/06/29 13:58:23	version 1.5, 2000/06/29 20:27:44
Line 1	Line 1
package Apache::run;	package Apache::run;

sub evaluate {	sub evaluate {
my ($expression,$safeeval) = @_;	my ($expression,$safeeval,$decls) = @_;
# print "inside2 evaluate with $expression\n";	# print "inside2 evaluate with $expression\n";
# gerd's old method interpolates unset vars	# gerd's old method interpolates unset vars
# $safeeval->reval('return qq('.$expression.');');	# $safeeval->reval('return qq('.$expression.');');
	unless (defined $expression) { return ''; }
$safeeval->reval('$_=\''.$expression.'\';');	$safeeval->reval('$_=\''.$expression.'\';');
$safeeval->reval('$_=~s/(\$\{?[A-Za-z]\w*\}?)/(defined(eval($1))?eval($1):$1)/ge;');	$safeeval->reval('{'.$decls.'$_=~s/(\$\{?[A-Za-z]\w*\}?)/(defined(eval($1))?eval($1):$1)/ge;}');
$safeeval->reval('return $_;');	$safeeval->reval('return $_;');
}	}