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Diff for /loncom/xml/run.pm between versions 1.18 and 1.23

version 1.18, 2001/07/20 21:19:38 version 1.23, 2002/02/15 21:33:12
Line 1 Line 1
 package Apache::run;  package Apache::run;
   #
   # $Id$
   #
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
   
 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 ''; }
   my $result = '';    my $result = '';
   $@='';    $@='';
   $safeeval->reval('$_=q|'.$expression.'|;');    $safeeval->reval('$_=q|'.$expression.'|;');
Line 14  sub evaluateold { Line 39  sub evaluateold {
     if ($@ eq '') {      if ($@ eq '') {
       $result = $safeeval->reval('return $_;');        $result = $safeeval->reval('return $_;');
     } else {      } else {
       &Apache::lonxml::error("substitution on:$expression:with:$decls:caused");        &Apache::lonxml::error("substitution on:$expression:with:$decls:caused:$@:");
     }      }
   } else {    } else {
     &Apache::lonxml::error("defining:$expression:caused");      &Apache::lonxml::error("defining:$expression:caused:$@:");
   }    }
   if ($@ ne '') {&Apache::lonxml::error($@);}  
   return $result    return $result
 }  }
   
Line 33  ENDEVALUATE Line 57  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 $expression; }    if (!$Apache::lonxml::evaluate) { return $expression; }
   my $result = '';    my $result = '';
   $@='';    $@='';
Line 55  sub run { Line 79  sub run {
   $@='';    $@='';
   my (@result)=$safeeval->reval($code);    my (@result)=$safeeval->reval($code);
   if ($@ ne '' && !$hideerrors) {    if ($@ ne '' && !$hideerrors) {
     &Apache::lonxml::error(":$code:caused");      &Apache::lonxml::error(":$@: occured while running :$code:");
     &Apache::lonxml::error($@);  
   }    }
   if ( $#result < '1') {    if ( $#result < '1') {
     return $result[0];      return $result[0];
Line 66  sub run { Line 89  sub run {
   }    }
 }  }
   
   sub dump {
     my ($target,$safeeval)=@_;
     my $dump='';
     foreach my $symname (sort keys %{$safeeval->varglob('main::')}) {
       if (($symname!~/^\_/) && ($symname!~/\:$/)) {
         if ($safeeval->reval('defined($'.$symname.')')) {
    $dump.='$'.$symname.'='.$safeeval->reval('$'.$symname)."\n";
         }
         if ($safeeval->reval('defined(@'.$symname.')')) {
    $dump.='@'.$symname.'=('.
     $safeeval->reval('join(",",@'.$symname.')').")\n";
         }
         if ($safeeval->reval('defined(%'.$symname.')')) {
    $dump.='%'.$symname.'=(';
    $dump.=$safeeval->reval('join(",",map { $_."=>".$'.
    $symname.'{$_} } sort keys %'.
    $symname.')').")\n";
         }
       }
     }
     $dump.='';
     return $dump;
   }
   
 1;  1;
 __END__;  __END__;
Removed from v.1.18  
changed lines
  Added in v.1.23

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