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Diff for /loncom/xml/run.pm between versions 1.12 and 1.16

version 1.12, 2000/11/16 14:20:05 version 1.16, 2001/05/04 21:17:24
Line 2  package Apache::run; Line 2  package Apache::run;
   
 sub evaluateold {  sub evaluateold {
   my ($expression,$safeeval,$decls) = @_;    my ($expression,$safeeval,$decls) = @_;
 # print "inside2 evaluate $decls with $expression<br>\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 ''; }
Line 27  $Apache::run::EVALUATE_STRING=<<'ENDEVAL Line 27  $Apache::run::EVALUATE_STRING=<<'ENDEVAL
   my %oldexpressions=();    my %oldexpressions=();
   while (!$oldexpressions{$_}) {    while (!$oldexpressions{$_}) {
     $oldexpressions{$_}=1;      $oldexpressions{$_}=1;
     $_ =~s/((?:\$|\&)(?:[\#|\$]*[A-Za-z][\w]*|\{[A-Za-z][\w]*\}))([\[|\{][\w\'\"]+[\]\}])*?(\([\w\'\"]+\))*?(?=[^\[\{\(]|$)/eval(defined(eval($1.$2))?eval('$1.$2.$3'):'$1.$2.$3')/seg;      $_ =~s/((?:\$|\&)(?:[\#|\$]*[A-Za-z][\w]*|\{[A-Za-z][\w]*\}))([\[\{][^\$\&\]\}]+[\]\}])*?(\([^\$\&\)]+\))*?(?=[^\[\{\(]|$)/eval(defined(eval($1.$2))?eval('$1.$2.$3'):'$1.$2.$3')/seg;
   }    }
 ENDEVALUATE  ENDEVALUATE
   
 sub evaluate {  sub evaluate {
   my ($expression,$safeeval,$decls) = @_;    my ($expression,$safeeval,$decls) = @_;
   unless (defined $expression) { return ''; }    unless (defined $expression) { return ''; }
     if (!$Apache::lonxml::evaluate) { return $expression; }
   my $result = '';    my $result = '';
   $@='';    $@='';
   print $decls    print $decls
Line 42  sub evaluate { Line 43  sub evaluate {
 #  $safeeval->reval('{'.$decls.';<< &evaluate(q|'.$expression.'|);}');  #  $safeeval->reval('{'.$decls.';<< &evaluate(q|'.$expression.'|);}');
   if ($@ eq '') {    if ($@ eq '') {
     $result = $safeeval->reval('return $_;');      $result = $safeeval->reval('return $_;');
     chop $result;      chomp $result;
   } else {    } else {
     &Apache::lonxml::error("substitution on:$expression:with:$decls:caused $@");      &Apache::lonxml::error("substitution on:$expression:with:$decls:caused $@");
   }      }  
Line 53  sub run { Line 54  sub run {
   my ($code,$safeeval) = @_;    my ($code,$safeeval) = @_;
 #  print "inside run\n";  #  print "inside run\n";
   $@='';    $@='';
   my $result=$safeeval->reval($code);    my (@result)=$safeeval->reval($code);
   if ($@ ne '') {     if ($@ ne '') { 
     &Apache::lonxml::error(":$code:caused");       &Apache::lonxml::error(":$code:caused"); 
     &Apache::lonxml::error($@);       &Apache::lonxml::error($@); 
   }    }
   return $result;    if ( $#result < '1') {
       return $result[0];
     } else {
       &Apache::lonxml::debug("<b>Got lots results</b>:$#result:");
       return (@result);
     }
 }  }
   
 1;  1;
Removed from v.1.12  
changed lines
  Added in v.1.16

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