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Diff for /loncom/xml/lonxml.pm between versions 1.314 and 1.336

version 1.314, 2004/03/30 07:16:24 version 1.336, 2004/08/19 20:53:48
Line 36 Line 36
 # The C source of the Code may not be distributed by the Licensee  # The C source of the Code may not be distributed by the Licensee
 # to any other parties under any circumstances.  # to any other parties under any circumstances.
 #  #
 # last modified 06/26/00 by Alexander Sakharuk  
 # 11/6 Gerd Kortemeyer  
 # 6/1/1 Gerd Kortemeyer  
 # 2/21,3/13 Guy  
 # 3/29,5/4 Gerd Kortemeyer  
 # 5/26 Gerd Kortemeyer  
 # 5/27 H. K. Ng  
 # 6/2,6/3,6/8,6/9 Gerd Kortemeyer  
 # 6/12,6/13 H. K. Ng  
 # 6/16 Gerd Kortemeyer  
 # 7/27 H. K. Ng  
 # 8/7,8/9,8/10,8/11,8/15,8/16,8/17,8/18,8/20,8/23,8/24 Gerd Kortemeyer  
 # Guy Albertelli  
 # 9/26 Gerd Kortemeyer  
 # Dec Guy Albertelli  
 # YEAR=2002  
 # 1/1 Gerd Kortemeyer  
 # 1/2 Matthew Hall  
 # 1/3 Gerd Kortemeyer  
 #  
   
 package Apache::lonxml;   package Apache::lonxml; 
 use vars   use vars 
 qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $prevent_entity_encode $errorcount $warningcount);  qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $errorcount $warningcount @htmlareafields);
 use strict;  use strict;
 use HTML::LCParser();  use HTML::LCParser();
 use HTML::TreeBuilder();  use HTML::TreeBuilder();
Line 141  $evaluate = 1; Line 122  $evaluate = 1;
 # stores the list of active tag namespaces  # stores the list of active tag namespaces
 @namespace=();  @namespace=();
   
 # if 0 all high ASCII characters will be encoded into HTML Entities  
 $prevent_entity_encode=0;  
   
 # has the dynamic menu been updated to know about this resource  # has the dynamic menu been updated to know about this resource
 $Apache::lonxml::registered=0;  $Apache::lonxml::registered=0;
   
Line 172  $Apache::lonxml::warnings_error_header=' Line 150  $Apache::lonxml::warnings_error_header='
   
 sub xmlbegin {  sub xmlbegin {
   my $output='';    my $output='';
     @htmlareafields=();
   if ($ENV{'browser.mathml'}) {    if ($ENV{'browser.mathml'}) {
       $output='<?xml version="1.0"?>'        $output='<?xml version="1.0"?>'
             .'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'              .'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'
Line 186  sub xmlbegin { Line 165  sub xmlbegin {
 }  }
   
 sub xmlend {  sub xmlend {
       my ($target,$parser)=@_;
     my $mode='xml';      my $mode='xml';
     my $status='OPEN';      my $status='OPEN';
     if ($Apache::lonhomework::parsing_a_problem) {      if ($Apache::lonhomework::parsing_a_problem) {
  $mode='problem';   $mode='problem';
  $status=$Apache::inputtags::status[-1];    $status=$Apache::inputtags::status[-1]; 
     }      }
     return &Apache::lonfeedback::list_discussion($mode,$status).'</html>';      my $discussion=&Apache::lonfeedback::list_discussion($mode,$status);    
       if ($target eq 'tex') {
    $discussion.='<tex>\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\end{document}</tex>';
    &Apache::lonxml::newparser($parser,\$discussion,'');
    return '';
       } else {
    return $discussion.'</html>';
       }
 }  }
   
 sub tokeninputfield {  sub tokeninputfield {
Line 410  sub latex_special_symbols { Line 397  sub latex_special_symbols {
     } else {      } else {
  $string=~s/\\/\\ensuremath{\\backslash}/g;   $string=~s/\\/\\ensuremath{\\backslash}/g;
  $string=~s/([^\\]|^)\%/$1\\\%/g;   $string=~s/([^\\]|^)\%/$1\\\%/g;
  $string=~s/([^\\]|^)(\$|_)/$1\\$2/g;   $string=~s/([^\\]|^)\$/$1\\\$/g;
    $string=~s/([^\\])\_/$1\\_/g;
  $string=~s/\$\$/\$\\\$/g;   $string=~s/\$\$/\$\\\$/g;
    $string=~s/\_\_/\_\\\_/g;
  $string=~s/\#\#/\#\\\#/g;   $string=~s/\#\#/\#\\\#/g;
         $string=~s/([^\\]|^)(\~|\^)/$1\\$2\\strut /g;          $string=~s/([^\\]|^)(\~|\^)/$1\\$2\\strut /g;
  $string=~s/(>|<)/\\ensuremath\{$1\}/g; #more or less   $string=~s/(>|<)/\\ensuremath\{$1\}/g; #more or less
Line 419  sub latex_special_symbols { Line 408  sub latex_special_symbols {
  # any & or # leftover should be safe to just escape   # any & or # leftover should be safe to just escape
         $string=~s/([^\\]|^)\&/$1\\\&/g;          $string=~s/([^\\]|^)\&/$1\\\&/g;
         $string=~s/([^\\]|^)\#/$1\\\#/g;          $string=~s/([^\\]|^)\#/$1\\\#/g;
           $string=~s/\|/\$\\mid\$/g;
 #single { or } How to escape?  #single { or } How to escape?
     }      }
     return $string;      return $string;
Line 482  sub inner_xmlparse { Line 472  sub inner_xmlparse {
     #clear out any tags that didn't end      #clear out any tags that didn't end
     while ($token->[1] ne $$stack['-1'] && ($#$stack > -1)) {      while ($token->[1] ne $$stack['-1'] && ($#$stack > -1)) {
  my $lasttag=$$stack[-1];   my $lasttag=$$stack[-1];
  if ($token->[1] =~ /^$lasttag$/i) {   if ($token->[1] =~ /^\Q$lasttag\E$/i) {
     &Apache::lonxml::warning('Using tag &lt;/'.$token->[1].'&gt; on line '.$token->[3].' as end tag to &lt;'.$$stack[-1].'&gt;');      &Apache::lonxml::warning('Using tag &lt;/'.$token->[1].'&gt; on line '.$token->[3].' as end tag to &lt;'.$$stack[-1].'&gt;');
     last;      last;
  } else {   } else {
Line 517  sub inner_xmlparse { Line 507  sub inner_xmlparse {
   }    }
       }        }
   
       # Encode any high ASCII characters  
 #      if (!$Apache::lonxml::prevent_entity_encode) {  
 # $result=&HTML::Entities::encode($result,"\200-\377");  
 #      }  
       if ($Apache::lonxml::redirection) {        if ($Apache::lonxml::redirection) {
  $Apache::lonxml::outputstack['-1'] .= $result;   $Apache::lonxml::outputstack['-1'] .= $result;
       } else {        } else {
Line 550  sub inner_xmlparse { Line 536  sub inner_xmlparse {
   return $finaloutput;    return $finaloutput;
 }  }
   
   ## 
   ## Looks to see if there is a subroutine defined for this tag.  If so, call it,
   ## otherwise do not call it as we do not know what it is.
   ##
 sub callsub {  sub callsub {
   my ($sub,$target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;    my ($sub,$target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $currentstring='';    my $currentstring='';
Line 582  sub callsub { Line 572  sub callsub {
      $parstack,$parser,$safeeval,       $parstack,$parser,$safeeval,
      $style);       $style);
       } else {        } else {
             if ($target eq 'tex') {
                 # throw away tag name
                 return '';
             }
  #&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode");   #&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode");
  if ($metamode <1) {   if ($metamode <1) {
   if (defined($token->[4]) && ($metamode < 1)) {    if (defined($token->[4]) && ($metamode < 1)) {
Line 622  sub setup_globals { Line 616  sub setup_globals {
   my ($request,$target)=@_;    my ($request,$target)=@_;
   $Apache::lonxml::request=$request;    $Apache::lonxml::request=$request;
   $Apache::lonxml::registered = 0;    $Apache::lonxml::registered = 0;
     @Apache::lonxml::htmlareafields=();
   $errorcount=0;    $errorcount=0;
   $warningcount=0;    $warningcount=0;
   $Apache::lonxml::default_homework_loaded=0;    $Apache::lonxml::default_homework_loaded=0;
Line 680  sub init_safespace { Line 675  sub init_safespace {
   $safehole->wrap(\&Apache::scripttag::xmlparse,$safeeval,'&xmlparse');    $safehole->wrap(\&Apache::scripttag::xmlparse,$safeeval,'&xmlparse');
   $safehole->wrap(\&Apache::outputtags::multipart,$safeeval,'&multipart');    $safehole->wrap(\&Apache::outputtags::multipart,$safeeval,'&multipart');
   $safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT');    $safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT');
       $safehole->wrap(\&Apache::chemresponse::chem_standard_order,$safeeval,
     '&chem_standard_order');
   
   $safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin');    $safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin');
   $safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos');    $safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos');
   $safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan');    $safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan');
Line 754  sub init_safespace { Line 751  sub init_safespace {
   $safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed');    $safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed');
   $safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR');    $safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR');
   $safehole->wrap(\&Apache::lonxml::debug,$safeeval,'&LONCAPA_INTERNAL_DEBUG');    $safehole->wrap(\&Apache::lonxml::debug,$safeeval,'&LONCAPA_INTERNAL_DEBUG');
     $safehole->wrap(\&Apache::caparesponse::get_sigrange,$safeeval,'&LONCAPA_INTERNAL_get_sigrange');
   
 #need to inspect this class of ops  #need to inspect this class of ops
 # $safeeval->deny(":base_orig");  # $safeeval->deny(":base_orig");
     $safeeval->permit("require");
   $safeinit .= ';$external::target="'.$target.'";';    $safeinit .= ';$external::target="'.$target.'";';
   my $rndseed;    my $rndseed;
   my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();    my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
   $rndseed=&Apache::lonnet::rndseed($symb,$courseid,$domain,$name);    $rndseed=&Apache::lonnet::rndseed($symb,$courseid,$domain,$name);
   $safeinit .= ';$external::randomseed='.$rndseed.';';    $safeinit .= ';$external::randomseed="'.$rndseed.'";';
   &Apache::lonxml::debug("Setting rndseed to $rndseed");    &Apache::lonxml::debug("Setting rndseed to $rndseed");
   &Apache::run::run($safeinit,$safeeval);    &Apache::run::run($safeinit,$safeeval);
   
   my $subroutine=<<'EVALUATESUB';  
 sub __LC_INTERNAL_EVALUATE__ {  
     my ($__LC__a,$__LC__b,$__LC__c)=@_;  
     my $__LC__prefix;  
     while(1){  
  {   
     use strict;  
     no strict "vars";  
     if (eval(defined(eval($__LC__a.$__LC__b)))) {  
  return $__LC__prefix.eval($__LC__a.$__LC__b.$__LC__c);  
     }  
  }  
  $__LC__prefix.=substr($__LC__a,0,1,"");  
  if ($__LC__a!~/^(\$|&|\#)/) { last; }  
     }  
     return $__LC__prefix.$__LC__a.$__LC__b.$__LC__c;  
 }  
 EVALUATESUB  
     $safeeval->permit("require");  
     $safeeval->reval($subroutine);  
     $safeeval->deny("require");  
 }  }
   
 sub default_homework_load {  sub default_homework_load {
Line 800  sub default_homework_load { Line 778  sub default_homework_load {
     }      }
 }  }
   
   my $metamode_was;
 sub startredirection {  sub startredirection {
   $Apache::lonxml::redirection++;      if (!$Apache::lonxml::redirection) {
   push (@Apache::lonxml::outputstack, '');   $metamode_was=$Apache::lonxml::metamode;
       }
       $Apache::lonxml::metamode=0;
       $Apache::lonxml::redirection++;
       push (@Apache::lonxml::outputstack, '');
 }  }
   
 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 debuging 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--;      $Apache::lonxml::redirection--;
   pop @Apache::lonxml::outputstack;      if (!$Apache::lonxml::redirection) {
    $Apache::lonxml::metamode=$metamode_was;
       }
       pop @Apache::lonxml::outputstack;
 }  }
   
 sub end_tag {  sub end_tag {
Line 857  sub decreasedepth { Line 843  sub decreasedepth {
   
 sub get_all_text_unbalanced {  sub get_all_text_unbalanced {
 #there is a copy of this in lonpublisher.pm  #there is a copy of this in lonpublisher.pm
  my($tag,$pars)= @_;      my($tag,$pars)= @_;
  my $token;      my $token;
  my $result='';      my $result='';
  $tag='<'.$tag.'>';      $tag='<'.$tag.'>';
  while ($token = $$pars[-1]->get_token) {      while ($token = $$pars[-1]->get_token) {
    if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {   if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
      $result.=$token->[1];      $result.=$token->[1];
    } elsif ($token->[0] eq 'PI') {   } elsif ($token->[0] eq 'PI') {
      $result.=$token->[2];      $result.=$token->[2];
    } elsif ($token->[0] eq 'S') {   } elsif ($token->[0] eq 'S') {
      $result.=$token->[4];      $result.=$token->[4];
    } elsif ($token->[0] eq 'E')  {   } elsif ($token->[0] eq 'E')  {
      $result.=$token->[2];      $result.=$token->[2];
    }   }
    if ($result =~ /(.*)\Q$tag\E(.*)/s) {   if ($result =~ /\Q$tag\E/is) {
      &Apache::lonxml::debug('Got a winner with leftovers ::'.$2);      ($result,my $redo)=$result =~ /(.*)\Q$tag\E(.*)/is;
      &Apache::lonxml::debug('Result is :'.$1);      #&Apache::lonxml::debug('Got a winner with leftovers ::'.$2);
      $result=$1;      #&Apache::lonxml::debug('Result is :'.$1);
      my $redo=$tag.$2;      $redo=$tag.$redo;
      &Apache::lonxml::newparser($pars,\$redo);      &Apache::lonxml::newparser($pars,\$redo);
      last;      last;
    }   }
  }      }
  return $result      return $result
 }  }
   
 sub increment_counter {  sub increment_counter {
Line 933  sub get_all_text { Line 919  sub get_all_text {
  } elsif ($token->[0] eq 'PI') {   } elsif ($token->[0] eq 'PI') {
     $result.=$token->[2];      $result.=$token->[2];
  } elsif ($token->[0] eq 'S') {   } elsif ($token->[0] eq 'S') {
     if ($token->[1] =~ /^$tag$/i) { $depth++; }      if ($token->[1] =~ /^\Q$tag\E$/i) { $depth++; }
     if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/i) { $Apache::lonxml::usestyle=1; }      if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/) { $Apache::lonxml::usestyle=1; }
     if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/i) { $Apache::lonxml::usestyle=0; }      if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/) { $Apache::lonxml::usestyle=0; }
     $result.=$token->[4];      $result.=$token->[4];
  } elsif ($token->[0] eq 'E')  {   } elsif ($token->[0] eq 'E')  {
     if ( $token->[1] =~ /^$tag$/i) { $depth--; }      if ( $token->[1] =~ /^\Q$tag\E$/i) { $depth--; }
     #skip sending back the last end tag      #skip sending back the last end tag
     if ($depth == 0 && exists($$style{'/'.$token->[1]}) && $Apache::lonxml::usestyle) {      if ($depth == 0 && exists($$style{'/'.$token->[1]}) && $Apache::lonxml::usestyle) {
  my $string=   my $string=
Line 985  sub get_all_text { Line 971  sub get_all_text {
  } elsif ($token->[0] eq 'PI') {   } elsif ($token->[0] eq 'PI') {
     $result.=$token->[2];      $result.=$token->[2];
  } elsif ($token->[0] eq 'S') {   } elsif ($token->[0] eq 'S') {
     if ( $token->[1] =~ /^$tag$/i) {      if ( $token->[1] =~ /^\Q$tag\E$/i) {
  $$pars[-1]->unget_token($token); last;   $$pars[-1]->unget_token($token); last;
     } else {      } else {
  $result.=$token->[4];   $result.=$token->[4];
     }      }
     if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/i) { $Apache::lonxml::usestyle=1; }      if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/) { $Apache::lonxml::usestyle=1; }
     if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/i) { $Apache::lonxml::usestyle=0; }      if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/) { $Apache::lonxml::usestyle=0; }
  } elsif ($token->[0] eq 'E')  {   } elsif ($token->[0] eq 'E')  {
     $result.=$token->[2];      $result.=$token->[2];
  }   }
Line 1073  sub afterburn { Line 1059  sub afterburn {
            my $anchorname=$_;             my $anchorname=$_;
    my $matchthis=$anchorname;     my $matchthis=$anchorname;
            $matchthis=~s/\_+/\\s\+/g;             $matchthis=~s/\_+/\\s\+/g;
            $result=~s/($matchthis)/\<font color=\"red\"\>$1\<\/font\>/gs;             $result=~s/(\Q$matchthis\E)/\<font color=\"red\"\>$1\<\/font\>/gs;
        }         }
     }      }
     if ($ENV{'form.link'}) {      if ($ENV{'form.link'}) {
Line 1081  sub afterburn { Line 1067  sub afterburn {
            my ($anchorname,$linkurl)=split(/\>/,$_);             my ($anchorname,$linkurl)=split(/\>/,$_);
    my $matchthis=$anchorname;     my $matchthis=$anchorname;
            $matchthis=~s/\_+/\\s\+/g;             $matchthis=~s/\_+/\\s\+/g;
            $result=~s/($matchthis)/\<a href=\"$linkurl\"\>$1\<\/a\>/gs;             $result=~s/(\Q$matchthis\E)/\<a href=\"$linkurl\"\>$1\<\/a\>/gs;
        }         }
     }      }
     if ($ENV{'form.anchor'}) {      if ($ENV{'form.anchor'}) {
         my $anchorname=$ENV{'form.anchor'};          my $anchorname=$ENV{'form.anchor'};
  my $matchthis=$anchorname;   my $matchthis=$anchorname;
         $matchthis=~s/\_+/\\s\+/g;          $matchthis=~s/\_+/\\s\+/g;
         $result=~s/($matchthis)/\<a name=\"$anchorname\"\>$1\<\/a\>/s;          $result=~s/(\Q$matchthis\E)/\<a name=\"$anchorname\"\>$1\<\/a\>/s;
         $result.=(<<"ENDSCRIPT");          $result.=(<<"ENDSCRIPT");
 <script type="text/javascript">  <script type="text/javascript">
     document.location.hash='$anchorname';      document.location.hash='$anchorname';
Line 1112  sub storefile { Line 1098  sub storefile {
 }  }
   
 sub createnewhtml {  sub createnewhtml {
   my $filecontents=(<<SIMPLECONTENT);      my $title=&mt('Title of document goes here');
       my $body=&mt('Body of document goes here');
       my $filecontents=(<<SIMPLECONTENT);
   <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml/11/DTD/xhtml11.dtd">
 <html>  <html>
 <head>  <head>
 <title>  <title>$title</title>
                            Title of Document Goes Here  
 </title>  
 </head>  </head>
 <body bgcolor="#FFFFFF">  <body bgcolor="#FFFFFF">
   $body
                            Body of Document Goes Here  
   
 </body>  </body>
 </html>  </html>
 SIMPLECONTENT  SIMPLECONTENT
   return $filecontents;      return $filecontents;
 }  }
   
 sub createnewsty {  sub createnewsty {
Line 1147  sub inserteditinfo { Line 1132  sub inserteditinfo {
       $filecontents = &HTML::Entities::encode($filecontents,'<>&"');        $filecontents = &HTML::Entities::encode($filecontents,'<>&"');
 #      my $editheader='<a href="#editsection">Edit below</a><hr />';  #      my $editheader='<a href="#editsection">Edit below</a><hr />';
       my $xml_help = '';        my $xml_help = '';
         my $initialize='';
       if ($filetype eq 'html') {        if ($filetype eq 'html') {
   $xml_help=Apache::loncommon::helpLatexCheatsheet();    my $addbuttons=&Apache::lonhtmlcommon::htmlareaaddbuttons();
     $initialize=&Apache::lonhtmlcommon::htmlareaheaders().
         &Apache::lonhtmlcommon::spellheader().(<<FULLPAGE);
   <script type="text/javascript">
   $addbuttons
   
       HTMLArea.loadPlugin("FullPage");
   
       function initDocument() {
    var editor=new HTMLArea("filecont",config);
    editor.registerPlugin(FullPage);
    editor.generate();
       }
   </script>
   FULLPAGE
             $result=~s/\<body([^\>]*)\>/\<body onload="initDocument()" $1\>/i;
     $xml_help=&Apache::loncommon::helpLatexCheatsheet();
       }        }
       my $cleanbut = '';        my $cleanbut = '';
       if ($filetype eq 'html') {        if ($filetype eq 'html') {
Line 1164  $cleanbut Line 1166  $cleanbut
 <input type="submit" name="savethisfile" accesskey="s"  value="$lt{'st'}" />  <input type="submit" name="savethisfile" accesskey="s"  value="$lt{'st'}" />
 <input type="submit" name="viewmode" accesskey="v" value="$lt{'vi'}" />  <input type="submit" name="viewmode" accesskey="v" value="$lt{'vi'}" />
 BUTTONS  BUTTONS
         $buttons.=&Apache::lonhtmlcommon::spelllink('xmledit','filecont');
       my $editfooter=(<<ENDFOOTER);        my $editfooter=(<<ENDFOOTER);
   $initialize
 <hr />  <hr />
 <a name="editsection" />  <a name="editsection" />
 <form method="post">  <form method="post" name="xmledit">
 $xml_help  $xml_help
 <input type="hidden" name="editmode" value="$lt{'ed'}" />  <input type="hidden" name="editmode" value="$lt{'ed'}" />
 $buttons<br />  $buttons<br />
 <textarea cols="80" rows="40" name="filecont">$filecontents</textarea>  <textarea cols="80" rows="44" name="filecont" id="filecont">$filecontents</textarea>
 <br />$buttons  <br />$buttons
 <br />  <br />
 </form>  </form>
 $titledisplay  $titledisplay
   </body>
 ENDFOOTER  ENDFOOTER
 #      $result=~s/(\<body[^\>]*\>)/$1$editheader/is;  #      $result=~s/(\<body[^\>]*\>)/$1$editheader/is;
       $result=~s/(\<\/body\>)/$editfooter/is;        $result=~s/(\<\/body\>)/$editfooter/is;
Line 1330  sub debug { Line 1335  sub debug {
  my $request=$Apache::lonxml::request;   my $request=$Apache::lonxml::request;
  if (!$request) { $request=Apache->request; }   if (!$request) { $request=Apache->request; }
  $request->print('<font size="-2"><pre>DEBUG:'.&HTML::Entities::encode($_[0],'<>&"')."</pre></font>\n");   $request->print('<font size="-2"><pre>DEBUG:'.&HTML::Entities::encode($_[0],'<>&"')."</pre></font>\n");
   # &Apache::lonnet::logthis($_[0]);
     }      }
 }  }
   
 sub error {  sub error {
   $errorcount++;      $errorcount++;
   my $request=$Apache::lonxml::request;      if (($Apache::lonxml::debug eq 1) || ($ENV{'request.state'} eq 'construct') ) {
   if (!$request) { $request=Apache->request; }   # If printing in construction space, put the error inside <pre></pre>
   if (($Apache::lonxml::debug eq 1) || ($ENV{'request.state'} eq 'construct') ) {   push(@Apache::lonxml::error_messages,
     # If printing in construction space, put the error inside <pre></pre>       $Apache::lonxml::warnings_error_header.
       push(@Apache::lonxml::error_messages,       "<b>ERROR:</b>".join("<br />\n",@_)."<br />\n");
    $Apache::lonxml::warnings_error_header.   $Apache::lonxml::warnings_error_header='';
    "<b>ERROR:</b>".join("<br />\n",@_)."<br />\n");      } else {
       $Apache::lonxml::warnings_error_header='';   my $errormsg;
   } else {   my ($symb)=&Apache::lonnet::symbread();
       push(@Apache::lonxml::error_messages,   if ( !$symb ) {
    "<b>An Error occured while processing this resource. The instructor has been notified.</b> <br />");      #public or browsers
     #notify author      $errormsg=&mt("An error occured while processing this resource. The author has been notified.");
     &Apache::lonmsg::author_res_msg($ENV{'request.filename'},join('<br />',@_));   } 
     #notify course   #notify author
     if ( $ENV{'request.course.id'} ) {   &Apache::lonmsg::author_res_msg($ENV{'request.filename'},join('<br />',@_));
       my (undef,%users)=&Apache::lonfeedback::decide_receiver(undef,0,1,1,1);   #notify course
       my $declutter=&Apache::lonnet::declutter($ENV{'request.filename'});   if ( $symb && $ENV{'request.course.id'} ) {
       foreach (keys %users) {      my (undef,%users)=&Apache::lonfeedback::decide_receiver(undef,0,1,1,1);
  my ($user,$domain) = split(/:/, $_);      my $declutter=&Apache::lonnet::declutter($ENV{'request.filename'});
  &Apache::lonmsg::user_normal_msg($user,$domain,      my @userlist;
         "Error [$declutter]",join('<br />',@_));      foreach (keys %users) {
       }   my ($user,$domain) = split(/:/, $_);
    push(@userlist,"$user\@$domain");
    &Apache::lonmsg::user_normal_msg($user,$domain,
    "Error [$declutter]",join('<br />',@_));
       }
       if ($ENV{'request.role.adv'}) {
    $errormsg=&mt("An error occured while processing this resource. The course personnel ([_1]) and the author have been notified.",join(', ',@userlist));
       } else {
    $errormsg=&mt("An error occured while processing this resource. The instructor has been notified.");
       }
    }
    push(@Apache::lonxml::error_messages,"<b>$errormsg</b> <br />");
     }      }
   }  
 }  }
   
 sub warning {  sub warning {
Removed from v.1.314  
changed lines
  Added in v.1.336

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