# The LearningOnline Network with CAPA
# <script> definiton
package Apache::structuretags;
use strict;
use Apache::lonnet;
sub BEGIN {
&Apache::lonxml::register('Apache::structuretags',('block','while'));
}
sub start_block {
my ($target,$token,$parstack,$parser,$safeeval)=@_;
my $code = @$parstack[$#$parstack];
$code =~ s/\"//g;
$code .=';return $condition;';
# print "<br>$code<br>";
my $result = &Apache::run::run($code,$safeeval);
if ( ! $result ) {
# my $skip=$$parser[$#$parser]->get_text("/block");
my $skip=&Apache::lonxml::get_all_text("block",$$parser[$#$parser]);
# print "skipped $skip";
}
return "";
}
sub end_block {
}
sub start_while {
my ($target,$token,$parstack,$parser,$safeeval)=@_;
my $code = @$parstack[$#$parstack];
$code =~ s/\"//g;
$code .=';return $condition;';
push( @Apache::structuretags::whileconds, $code);
my $result = &Apache::run::run($code,$safeeval);
my $bodytext=$$parser[$#$parser]->get_text("/while");
push( @Apache::structuretags::whilebody, $bodytext);
if ( $result ) {
my $tempparser=HTML::TokeParser->new(\$bodytext);
push (@$parser,$tempparser);
}
return "";
}
sub end_while {
my ($target,$token,$parstack,$parser,$safeeval)=@_;
my $code = pop @Apache::structuretags::whileconds;
my $bodytext = pop @Apache::structuretags::whilebody;
my $result = &Apache::run::run($code,$safeeval);
if ( $result ) {
my $tempparser=HTML::TokeParser->new(\$bodytext);
push (@$parser,$tempparser);
}
return "";
}
1;
__END__
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