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Diff for /loncom/xml/lonxml.pm between versions 1.70 and 1.89

version 1.70, 2001/05/04 17:33:35 version 1.89, 2001/06/09 12:32:42
Line 6 Line 6
 # 6/1/1 Gerd Kortemeyer  # 6/1/1 Gerd Kortemeyer
 # 2/21,3/13 Guy  # 2/21,3/13 Guy
 # 3/29,5/4 Gerd Kortemeyer  # 3/29,5/4 Gerd Kortemeyer
   # 5/10 Scott Harrison
   # 5/26 Gerd Kortemeyer
   # 5/27 H. K. Ng
   # 6/2,6/3,6/8,6/9 Gerd Kortemeyer
   
 package Apache::lonxml;   package Apache::lonxml; 
 use vars   use vars 
 qw(@pwd @outputstack $redirection $import @extlinks $metamode);  qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace);
 use strict;  use strict;
 use HTML::TokeParser;  use HTML::TokeParser;
 use Safe;  use Safe;
 use Safe::Hole;  use Safe::Hole;
   use Math::Cephes qw(:trigs :hypers :bessels erf erfc);
 use Opcode;  use Opcode;
   
   sub register {
     my $space;
     my @taglist;
     my $temptag;
     ($space,@taglist) = @_;
     foreach $temptag (@taglist) {
       $Apache::lonxml::alltags{$temptag}=$space;
     }
   }
   
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
   use Apache::lontexconvert;
   use Apache::style;
   use Apache::run;
   use Apache::londefdef;
   use Apache::scripttag;
   use Apache::edit;
   use Apache::lonnet;
   use Apache::File;
   
   #==================================================   Main subroutine: xmlparse  
   #debugging control, to turn on debugging modify the correct handler
   $Apache::lonxml::debug=0;
   
   #path to the directory containing the file currently being processed
   @pwd=();
   
   #these two are used for capturing a subset of the output for later processing,
   #don't touch them directly use &startredirection and &endredirection
   @outputstack = ();
   $redirection = 0;
   
   #controls wheter the <import> tag actually does
   $import = 1;
   @extlinks=();
   
   # meta mode is a bit weird only some output is to be turned off
   #<output> tag turns metamode off (defined in londefdef.pm)
   $metamode = 0;
   
   # turns on and of run::evaluate actually derefencing var refs
   $evaluate = 1;
   
   # data structure for eidt mode, determines what tags can go into what other tags
   %insertlist=();
   
   #stores the list of active tag namespaces
   @namespace=();
   
 sub xmlbegin {  sub xmlbegin {
   my $output='';    my $output='';
Line 47  sub fontsettings() { Line 99  sub fontsettings() {
 }  }
   
 sub registerurl {  sub registerurl {
   return (<<ENDSCRIPT);      if ($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) {
           my $hwkadd='';
           if ($ENV{'REQUEST_URI'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
       if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
    $hwkadd.=(<<ENDSUBM);
                        menu.switchbutton
              (7,1,'subm.gif','view sub','missions',
                   'gocmd("/adm/grades","submission")');
   ENDSUBM
               }
       if (&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) {
    $hwkadd.=(<<ENDGRDS);
                        menu.switchbutton
              (7,2,'pgrd.gif','problem','grades',
                   'gocmd("/adm/grades","viewgrades")');
   ENDGRDS
               }
       if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
    $hwkadd.=(<<ENDPARM);
                        menu.switchbutton
              (7,3,'pparm.gif','problem','parms',
                   'gocmd("/adm/parmset","set")');
   ENDPARM
               }
    }
    return (<<ENDREGTHIS);
        
 <script language="JavaScript">  <script language="JavaScript">
   // BEGIN LON-CAPA Internal
   
     function LONCAPAreg() {      function LONCAPAreg() {
        if (window.location.pathname!="/res/adm/pages/menu.html") {  
   menu=window.open("","LONCAPAmenu");    menu=window.open("","LONCAPAmenu");
             menu.clearTimeout(menu.menucltim);
   menu.currentURL=window.location.pathname;    menu.currentURL=window.location.pathname;
           menu.currentStale=0;            menu.currentStale=0;
        }            menu.clearbut(3,1);
             menu.switchbutton
          (8,1,'eval.gif','evaluate','this','gopost("/adm/evaluate",currentURL)');
             menu.switchbutton
       (8,2,'fdbk.gif','feedback','on this','gopost("/adm/feedback",currentURL)');
             menu.switchbutton
        (8,3,'prt.gif','prepare','printout','gopost("/adm/printout",currentURL)');
             menu.switchbutton
          (2,1,'back.gif','backward','','gopost("/adm/flip","back:"+currentURL)');
             menu.switchbutton
        (2,3,'forw.gif','forward','','gopost("/adm/flip","forward:"+currentURL)');
             $hwkadd
     }      }
     
     function LONCAPAstale() {      function LONCAPAstale() {
        if (window.location.pathname!="/res/adm/pages/menu.html") {  
   menu=window.open("","LONCAPAmenu");    menu=window.open("","LONCAPAmenu");
           menu.currentStale=1;            menu.currentStale=1;
        }            menu.switchbutton
               (3,1,'reload.gif','return','location','go(currentURL)');
             menu.menucltim=menu.setTimeout(
    'clearbut(2,1);clearbut(2,3);clearbut(7,1);clearbut(7,2);clearbut(7,3);'.
    'clearbut(8,1);clearbut(8,2);clearbut(8,3);',
     2000);
   
         }
   
   // END LON-CAPA Internal
   </script>
   ENDREGTHIS
   
       } else {
           return (<<ENDDONOTREGTHIS);
   
   <script language="JavaScript">
   // BEGIN LON-CAPA Internal
   
       function LONCAPAreg() {
     menu=window.open("","LONCAPAmenu");
             menu.currentStale=1;
             menu.clearbut(2,1);
             menu.clearbut(2,3);
             menu.clearbut(8,1);
             menu.clearbut(8,2);
             menu.clearbut(8,3);
             if (menu.currentURL) {
                menu.switchbutton
                 (3,1,'reload.gif','return','location','go(currentURL)');
      } else {
         menu.clearbut(3,1);
             }
     }      }
   
       function LONCAPAstale() {
       }
   
   // END LON-CAPA Internal
 </script>  </script>
 ENDSCRIPT  ENDDONOTREGTHIS
   
       }
 }  }
   
 sub loadevents() {  sub loadevents() {
Line 75  sub unloadevents() { Line 204  sub unloadevents() {
     return 'LONCAPAstale();';      return 'LONCAPAstale();';
 }  }
   
 sub register {  
   my $space;  
   my @taglist;  
   my $temptag;  
   ($space,@taglist) = @_;  
   foreach $temptag (@taglist) {  
     $Apache::lonxml::alltags{$temptag}=$space;  
   }  
 }  
   
 sub printalltags {  sub printalltags {
   my $temp;    my $temp;
   foreach $temp (sort keys %Apache::lonxml::alltags) {    foreach $temp (sort keys %Apache::lonxml::alltags) {
     &Apache::lonxml::debug("$temp -- $Apache::lonxml::alltags{$temp}");      &Apache::lonxml::debug("$temp -- $Apache::lonxml::alltags{$temp}");
   }    }
 }  }
 use Apache::style;  
 use Apache::run;  
 use Apache::londefdef;  
 use Apache::scripttag;  
 use Apache::edit;  
 #==================================================   Main subroutine: xmlparse    
 @pwd=();  
 @outputstack = ();  
 $redirection = 0;  
 $import = 1;  
 @extlinks=();  
 $metamode = 0;  
   
 sub xmlparse {  sub xmlparse {
   
  my ($target,$content_file_string,$safeinit,%style_for_target) = @_;   my ($target,$content_file_string,$safeinit,%style_for_target) = @_;
  if ($target eq 'meta') {   if ($target eq 'meta') {
    # meta mode is a bit weird only some output is to be turned off  
    #<output> tag turns metamode off (defined in londefdef.pm)  
    $Apache::lonxml::redirection = 0;     $Apache::lonxml::redirection = 0;
    $Apache::lonxml::metamode = 1;     $Apache::lonxml::metamode = 1;
      $Apache::lonxml::evaluate = 1;
    $Apache::lonxml::import = 0;     $Apache::lonxml::import = 0;
  } elsif ($target eq 'grade') {   } elsif ($target eq 'grade') {
    &startredirection;     &startredirection;
    $Apache::lonxml::metamode = 0;     $Apache::lonxml::metamode = 0;
      $Apache::lonxml::evaluate = 1;
    $Apache::lonxml::import = 1;     $Apache::lonxml::import = 1;
  } else {   } elsif ($target eq 'modified') {
      $Apache::lonxml::redirection = 0;
    $Apache::lonxml::metamode = 0;     $Apache::lonxml::metamode = 0;
      $Apache::lonxml::evaluate = 0;
      $Apache::lonxml::import = 0;
    } else {
    $Apache::lonxml::redirection = 0;     $Apache::lonxml::redirection = 0;
      $Apache::lonxml::metamode = 0;
      $Apache::lonxml::evaluate = 1;
    $Apache::lonxml::import = 1;     $Apache::lonxml::import = 1;
  }   }
  #&printalltags();   #&printalltags();
Line 135  sub xmlparse { Line 248  sub xmlparse {
   
  my $safeeval = new Safe;   my $safeeval = new Safe;
  my $safehole = new Safe::Hole;   my $safehole = new Safe::Hole;
  $safeeval->permit("entereval");   &init_safespace($target,$safeeval,$safehole,$safeinit);
  $safeeval->permit(":base_math");  
  $safeeval->deny(":base_io");  
  $safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT');  
 #need to inspect this class of ops  
 # $safeeval->deny(":base_orig");  
  $safeinit .= ';$external::target='.$target.';';  
  $safeinit .= ';$external::randomseed='.&Apache::lonnet::rndseed().';';  
  &Apache::run::run($safeinit,$safeeval);  
 #-------------------- Redefinition of the target in the case of compound target  #-------------------- Redefinition of the target in the case of compound target
   
  ($target, my @tenta) = split('&&',$target);   ($target, my @tenta) = split('&&',$target);
Line 174  sub xmlparse { Line 279  sub xmlparse {
     $safeeval,\%style_for_target,@parstack);      $safeeval,\%style_for_target,@parstack);
  }   }
        } else {         } else {
  $result = &callsub("start_$token->[1]", $target, $token,\@parstack,   $result = &callsub("start_$token->[1]", $target, $token, \@stack,
     \@pars, $safeeval, \%style_for_target);      \@parstack, \@pars, $safeeval, \%style_for_target);
        }                       }              
      } elsif ($token->[0] eq 'E')  {       } elsif ($token->[0] eq 'E')  {
        #clear out any tags that didn't end         #clear out any tags that didn't end
Line 196  sub xmlparse { Line 301  sub xmlparse {
  }   }
   
        } else {         } else {
  $result = &callsub("end_$token->[1]", $target, $token, \@parstack,   $result = &callsub("end_$token->[1]", $target, $token, \@stack, 
     \@pars,$safeeval, \%style_for_target);      \@parstack, \@pars,$safeeval, \%style_for_target);
        }         }
      } else {       } else {
        &Apache::lonxml::error("Unknown token event :$token->[0]:$token->[1]:");         &Apache::lonxml::error("Unknown token event :$token->[0]:$token->[1]:");
Line 258  sub recurse { Line 363  sub recurse {
  push (@innerstack,$tokenpat->[1]);   push (@innerstack,$tokenpat->[1]);
  push (@innerparstack,&parstring($tokenpat));   push (@innerparstack,&parstring($tokenpat));
  &increasedepth($tokenpat);   &increasedepth($tokenpat);
  $partstring = &callsub("start_$tokenpat->[1]",    $partstring = &callsub("start_$tokenpat->[1]", $target, $tokenpat,
        $target, $tokenpat, \@innerparstack,         \@innerstack, \@innerparstack, \@pat,
        \@pat, $safeeval, $style_for_target);         $safeeval, $style_for_target);
       } elsif ($tokenpat->[0] eq 'E') {        } elsif ($tokenpat->[0] eq 'E') {
  #clear out any tags that didn't end   #clear out any tags that didn't end
  while ($tokenpat->[1] ne $innerstack[$#innerstack]    while ($tokenpat->[1] ne $innerstack[$#innerstack] 
Line 268  sub recurse { Line 373  sub recurse {
   &Apache::lonxml::warning("Unbalanced tags in resource $innerstack['-1']");    &Apache::lonxml::warning("Unbalanced tags in resource $innerstack['-1']");
   pop @innerstack;pop @innerparstack;&decreasedepth($tokenpat);    pop @innerstack;pop @innerparstack;&decreasedepth($tokenpat);
  }   }
  $partstring = &callsub("end_$tokenpat->[1]",   $partstring = &callsub("end_$tokenpat->[1]", $target, $tokenpat,
        $target, $tokenpat, \@innerparstack,         \@innerstack, \@innerparstack, \@pat,
        \@pat, $safeeval, $style_for_target);         $safeeval, $style_for_target);
       } else {        } else {
  &Apache::lonxml::error("Unknown token event :$tokenpat->[0]:$tokenpat->[1]:");   &Apache::lonxml::error("Unknown token event :$tokenpat->[0]:$tokenpat->[1]:");
       }        }
Line 303  sub recurse { Line 408  sub recurse {
 }  }
   
 sub callsub {  sub callsub {
   my ($sub,$target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($sub,$target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $currentstring='';    my $currentstring='';
     my $nodefault;
   {    {
     my $sub1;      my $sub1;
     no strict 'refs';      no strict 'refs';
     if ($target eq 'edit' && $token->[0] eq 'S') {      if ($target eq 'edit' && $token->[0] eq 'S') {
       $currentstring = &Apache::edit::tag_start($target,$token,$parstack,$parser,        $currentstring = &Apache::edit::tag_start($target,$token,$tagstack,
    $parstack,$parser,
  $safeeval,$style);   $safeeval,$style);
     }      }
     my $tag=$token->[1];      my $tag=$token->[1];
Line 320  sub callsub { Line 427  sub callsub {
  $space=$Apache::lonxml::alltags{$tag}   $space=$Apache::lonxml::alltags{$tag}
     }      }
     if ($space) {      if ($space) {
       &Apache::lonxml::debug("Calling sub $sub in $space $metamode<br />\n");        #&Apache::lonxml::debug("Calling sub $sub in $space $metamode<br />\n");
       $sub1="$space\:\:$sub";        $sub1="$space\:\:$sub";
       $Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter);        $Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter);
       $currentstring .= &$sub1($target,$token,$parstack,$parser,        ($currentstring,$nodefault) = &$sub1($target,$token,$tagstack,
      $safeeval,$style);     $parstack,$parser,$safeeval,
      $style);
     } else {      } else {
       &Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode<br />\n");        #&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode<br />\n");
       if ($metamode <1) {        if ($metamode <1) {
  if (defined($token->[4]) && ($metamode < 1)) {   if (defined($token->[4]) && ($metamode < 1)) {
   $currentstring .= $token->[4];    $currentstring = $token->[4];
  } else {   } else {
   $currentstring .= $token->[2];    $currentstring = $token->[2];
  }   }
       }        }
     }      }
     if ($target eq 'edit' && $token->[0] eq 'E') {  #    &Apache::lonxml::debug("nodefalt:$nodefault:");
       $currentstring .= &Apache::edit::tag_end($target,$token,$parstack,$parser,      if ($currentstring eq '' && $nodefault eq '') {
  $safeeval,$style);        if ($target eq 'edit') {
    &Apache::lonxml::debug("doing default edit for $token->[1]");
    if ($token->[0] eq 'S') {
     $currentstring = &Apache::edit::tag_start($target,$token);
    } elsif ($token->[0] eq 'E') {
     $currentstring = &Apache::edit::tag_end($target,$token);
    }
         } elsif ($target eq 'modified') {
    if ($token->[0] eq 'S') {
     $currentstring = $token->[4];
     $currentstring.=&Apache::edit::handle_insert();
    } else {
     $currentstring = $token->[2];
    }
         }
     }      }
     use strict 'refs';      use strict 'refs';
   }    }
   return $currentstring;    return $currentstring;
 }  }
   
   sub init_safespace {
     my ($target,$safeeval,$safehole,$safeinit) = @_;
     $safeeval->permit("entereval");
     $safeeval->permit(":base_math");
     $safeeval->permit("sort");
     $safeeval->deny(":base_io");
     $safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT');
     
     $safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin');
     $safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos');
     $safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan');
     $safehole->wrap(\&Math::Cephes::sinh,$safeeval,'&sinh');
     $safehole->wrap(\&Math::Cephes::cosh,$safeeval,'&cosh');
     $safehole->wrap(\&Math::Cephes::tanh,$safeeval,'&tanh');
     $safehole->wrap(\&Math::Cephes::asinh,$safeeval,'&asinh');
     $safehole->wrap(\&Math::Cephes::acosh,$safeeval,'&acosh');
     $safehole->wrap(\&Math::Cephes::atanh,$safeeval,'&atanh');
     $safehole->wrap(\&Math::Cephes::erf,$safeeval,'&erf');
     $safehole->wrap(\&Math::Cephes::erfc,$safeeval,'&erfc');
     $safehole->wrap(\&Math::Cephes::j0,$safeeval,'&j0');
     $safehole->wrap(\&Math::Cephes::j1,$safeeval,'&j1');
     $safehole->wrap(\&Math::Cephes::jn,$safeeval,'&jn');
     $safehole->wrap(\&Math::Cephes::jv,$safeeval,'&jv');
     $safehole->wrap(\&Math::Cephes::y0,$safeeval,'&y0');
     $safehole->wrap(\&Math::Cephes::y1,$safeeval,'&y1');
     $safehole->wrap(\&Math::Cephes::yn,$safeeval,'&yn');
     $safehole->wrap(\&Math::Cephes::yv,$safeeval,'&yv');
     
   #need to inspect this class of ops
   # $safeeval->deny(":base_orig");
     $safeinit .= ';$external::target='.$target.';';
     $safeinit .= ';$external::randomseed='.&Apache::lonnet::rndseed().';';
     &Apache::run::run($safeinit,$safeeval);
   }
   
 sub startredirection {  sub startredirection {
   $Apache::lonxml::redirection++;    $Apache::lonxml::redirection++;
   push (@Apache::lonxml::outputstack, '');    push (@Apache::lonxml::outputstack, '');
Line 351  sub startredirection { Line 508  sub startredirection {
   
 sub endredirection {  sub endredirection {
   if (!$Apache::lonxml::redirection) {    if (!$Apache::lonxml::redirection) {
     &Apache::lonxml::error("Endredirection was called, before a startredirection, perhaps you have unbalanced tags. Some debuggin information:".join ":",caller);      &Apache::lonxml::error("Endredirection was called, before a startredirection, perhaps you have unbalanced tags. Some debuging information:".join ":",caller);
     return '';      return '';
   }    }
   $Apache::lonxml::redirection--;    $Apache::lonxml::redirection--;
Line 481  sub writeallows { Line 638  sub writeallows {
 #  #
 # Afterburner handles anchors, highlights and links  # Afterburner handles anchors, highlights and links
 #  #
   
 sub afterburn {  sub afterburn {
     my $result=shift;      my $result=shift;
     map {      map {
Line 524  ENDSCRIPT Line 680  ENDSCRIPT
     return $result;      return $result;
 }  }
   
   sub storefile {
       my ($file,$contents)=@_;
       if (my $fh=Apache::File->new('>'.$file)) {
    print $fh $contents;
           $fh->close();
       }
   }
   
   sub inserteditinfo {
         my ($result,$filecontents)=@_;
         unless ($filecontents) {
     $filecontents=(<<SIMPLECONTENT);
   <html>
   <head>
   <title>
                              Title of Document Goes Here
   </title>
   </head>
   <body bgcolor="#FFFFFF">
   
                              Body of Document Goes Here
   
   </body>
   </html>
   SIMPLECONTENT
         }
         my $editheader='<a href="#editsection">Edit below</a><hr />';
         my $editfooter=(<<ENDFOOTER);
   <hr />
   <a name="editsection" />
   <form method="post">
   <textarea cols="80" rows="40" name="filecont">$filecontents</textarea>
   <br />
   <input type="submit" name="savethisfile" value="Save this file" />
   </form>
   ENDFOOTER
         $result=~s/(\<body[^\>]*\>)/$1$editheader/is;
         $result=~s/(\<\/body\>)/$editfooter/is;
         return $result;
   }
   
 sub handler {  sub handler {
   my $request=shift;    my $request=shift;
   
Line 537  sub handler { Line 734  sub handler {
     $request->content_type('text/html');      $request->content_type('text/html');
   }    }
       
 #  $request->print(<<ENDHEADER);  
 #<html>  
 #<head>  
 #<title>Just test</title>  
 #</head>  
 #<body bgcolor="#FFFFFF">  
 #ENDHEADER  
 #  &Apache::lonhomework::send_header($request);  
   $request->send_http_header;    $request->send_http_header;
       
   return OK if $request->header_only;    return OK if $request->header_only;
   
   
   my $file=&Apache::lonnet::filelocation("",$request->uri);    my $file=&Apache::lonnet::filelocation("",$request->uri);
   #
   # Edit action? Save file.
   #
     unless ($ENV{'request.state'} eq 'published') {
         if ($ENV{'form.savethisfile'}) {
     &storefile($file,$ENV{'form.filecont'});
         }
     }
   my %mystyle;    my %mystyle;
   my $result = '';     my $result = ''; 
   my $filecontents=&Apache::lonnet::getfile($file);    my $filecontents=&Apache::lonnet::getfile($file);
   if ($filecontents == -1) {    if ($filecontents == -1) {
     &Apache::lonxml::error("<b> Unable to find <i>$file</i></b>");      $result=(<<ENDNOTFOUND);
   <html>
   <head>
   <title>File not found</title>
   </head>
   <body bgcolor="#FFFFFF">
   <b>File not found: $file</b>
   </body>
   </html>
   ENDNOTFOUND
     $filecontents='';      $filecontents='';
   } else {    } else {
     $result = &Apache::lonxml::xmlparse($target,$filecontents,'',%mystyle);      $result = &Apache::lonxml::xmlparse($target,$filecontents,'',%mystyle);
   }    }
   
   #
   # Edit action? Insert editing commands
   #
     unless ($ENV{'request.state'} eq 'published') {
         $result=&inserteditinfo($result,$filecontents);
     }
   
   $request->print($result);    $request->print($result);
   
   writeallows($request->uri);    writeallows($request->uri);
Line 574  sub debug { Line 787  sub debug {
 }  }
   
 sub error {  sub error {
   if ($Apache::lonxml::debug eq 1) {    if (($Apache::lonxml::debug eq 1) || ($ENV{'request.state'} eq 'construct') ) {
     print "<b>ERROR:</b>".$_[0]."<br />\n";      print "<b>ERROR:</b>".$_[0]."<br />\n";
   } else {    } else {
     print "<b>An Error occured while processing this resource. The instructor has been notified.</b> <br />";      print "<b>An Error occured while processing this resource. The instructor has been notified.</b> <br />";
Line 588  sub error { Line 801  sub error {
  &Apache::lonmsg::user_normal_msg($user,$domain,"Error in $ENV{'request.filename'}",$_[0]);   &Apache::lonmsg::user_normal_msg($user,$domain,"Error in $ENV{'request.filename'}",$_[0]);
       }        }
     }      }
       
     #FIXME probably shouldn't have me get everything forever.      #FIXME probably shouldn't have me get everything forever.
     &Apache::lonmsg::user_normal_msg('albertel','msu',"Error in $ENV{'request.filename'}",$_[0]);      &Apache::lonmsg::user_normal_msg('albertel','msu',"Error in $ENV{'request.filename'}",$_[0]);
     #&Apache::lonmsg::user_normal_msg('albertel','103',"Error in $ENV{'request.filename'}",$_[0]);         #&Apache::lonmsg::user_normal_msg('albertel','103',"Error in $ENV{'request.filename'}",$_[0]);
   }    }
 }  }
   
 sub warning {  sub warning {
   if ($Apache::lonxml::debug eq 1) {    if ($ENV{'request.state'} eq 'construct') {
     print "<b>W</b>ARNING<b>:</b>".$_[0]."<br />\n";      print "<b>W</b>ARNING<b>:</b>".$_[0]."<br />\n";
   }    }
 }  }
   
   sub get_param {
     my ($param,$parstack,$safeeval,$context) = @_;
     if ( ! $context ) { $context = -1; }
     my $args ='';
     if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; }
     return &Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #'
   }
   
   sub register_insert {
     my @data = split /\n/, &Apache::lonnet::getfile('/home/httpd/lonTabs/insertlist.tab');
     my $i;
     my $tagnum=0;
     my @order;
     for ($i=0;$i < $#data; $i++) {
       my $line = $data[$i];
       if ( $line =~ /^\#/ || $line =~ /^\s*\n/) { next; }
       if ( $line =~ /TABLE/ ) { last; }
       my ($tag,$descrip,$function,$show) = split(/,/, $line);
       $insertlist{"$tagnum.tag"} = $tag;
       $insertlist{"$tagnum.description"} = $descrip;
       $insertlist{"$tagnum.function"} = $function;
       $insertlist{"$tagnum.show"}= $show;
       $tagnum++;
     }
     $i++; #skipping TABLE line
     $tagnum = 0;
     for (;$i < $#data;$i++) {
       my $line = $data[$i];
       my ($mnemonic,@which) = split(/ +/,$line);
       my $tag = $insertlist{"$tagnum.tag"};
       for (my $j=0;$j <$#which;$j++) {
         if ( $which[$j] eq 'Y' ) {
    if ($insertlist{"$j.show"} ne 'no') {
     push(@{ $insertlist{"$tag.which"} },$j);
    }
         }
       }
       $tagnum++;
     }
   }
 1;  1;
 __END__  __END__
   
Removed from v.1.70  
changed lines
  Added in v.1.89

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