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Diff for /loncom/xml/run.pm between versions 1.5 and 1.10

version 1.5, 2000/06/29 20:27:44 version 1.10, 2000/11/14 22:24:38
Line 1 Line 1
 package Apache::run;  package Apache::run;
   
 sub evaluate {  sub evaluateold {
   my ($expression,$safeeval,$decls) = @_;    my ($expression,$safeeval,$decls) = @_;
 # print "inside2 evaluate with $expression\n";  # print "inside2 evaluate $decls with $expression<br>\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 ''; }    unless (defined $expression) { return ''; }
   $safeeval->reval('$_=\''.$expression.'\';');    my $result = '';
   $safeeval->reval('{'.$decls.'$_=~s/(\$\{?[A-Za-z]\w*\}?)/(defined(eval($1))?eval($1):$1)/ge;}');    $@='';
   $safeeval->reval('return $_;');    $safeeval->reval('$_=q|'.$expression.'|;');
     if ($@ eq '') {
       $safeeval->reval('{'.$decls.'$_=~s/(\$[A-Za-z]\w*)/(defined(eval($1))?eval($1):$1)/ge;}');
       if ($@ eq '') {
         $result = $safeeval->reval('return $_;');
       } else {
         &Apache::lonxml::error("substitution on:$expression:with:$decls:caused");
       }
     } else {
       &Apache::lonxml::error("defining:$expression:caused");
     }
     if ($@ ne '') {&Apache::lonxml::error($@);}
     return $result
   }
   
   sub evaluate {
     my ($expression,$safeeval,$decls) = @_;
     unless (defined $expression) { return ''; }
     my $result = '';
     $@='';
     $safeeval->reval('{'.$decls.';&evaluate(q|'.$expression.'|);}');
     if ($@ eq '') {
       $result = $safeeval->reval('return $_;');
     } else {
       &Apache::lonxml::error("substitution on:$expression:with:$decls:caused $@");
     }  
     return $result
 }  }
   
 sub run {  sub run {
   my ($code,$safeeval) = @_;    my ($code,$safeeval) = @_;
 #  print "inside run\n";  #  print "inside run\n";
   $safeeval->reval($code);    $@='';
     my $result=$safeeval->reval($code);
     if ($@ ne '') { 
       &Apache::lonxml::error(":$code:caused"); 
       &Apache::lonxml::error($@); 
     }
     return $result;
 }  }
   
 1;  1;
Removed from v.1.5  
changed lines
  Added in v.1.10

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