[BACK]Return to lonxml.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / xml

Diff for /loncom/xml/lonxml.pm between versions 1.320 and 1.350

version 1.320, 2004/06/03 14:28:39 version 1.350, 2004/12/09 23:45:59
Line 51  use Math::Cephes(); Line 51  use Math::Cephes();
 use Math::Random();  use Math::Random();
 use Opcode();  use Opcode();
 use POSIX qw(strftime);  use POSIX qw(strftime);
   use Time::HiRes qw( gettimeofday tv_interval );
   
 sub register {  sub register {
   my ($space,@taglist) = @_;    my ($space,@taglist) = @_;
Line 150  $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 158  sub xmlbegin { Line 159  sub xmlbegin {
             .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '               .'<html xmlns:math="http://www.w3.org/1998/Math/MathML" ' 
  .'xmlns="http://www.w3.org/TR/REC-html40">';   .'xmlns="http://www.w3.org/TR/REC-html40">';
   } else {    } else {
       $output='<html>';        $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
   <html>';
   }    }
   return $output;    return $output;
 }  }
   
 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 278  sub fontsettings() { Line 288  sub fontsettings() {
     my $headerstring='';      my $headerstring='';
     if (($ENV{'browser.os'} eq 'mac') && (!$ENV{'browser.mathml'})) {       if (($ENV{'browser.os'} eq 'mac') && (!$ENV{'browser.mathml'})) { 
  $headerstring.=   $headerstring.=
     '<meta Content-Type="text/html; charset=x-mac-roman">';      '<meta Content-Type="text/html; charset=x-mac-roman" />';
     } elsif (!$ENV{'browser.mathml'} && $ENV{'browser.unicode'}) {      } elsif (!$ENV{'browser.mathml'} && $ENV{'browser.unicode'}) {
  $headerstring.=   $headerstring.=
     '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';      '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
Line 311  sub xmlparse { Line 321  sub xmlparse {
      my $bodytext=       my $bodytext=
  $ENV{'course.'.$ENV{'request.course.id'}.'.default_xml_style'};   $ENV{'course.'.$ENV{'request.course.id'}.'.default_xml_style'};
      if ($bodytext) {       if ($bodytext) {
        my $location=&Apache::lonnet::filelocation('',$bodytext);   foreach my $file (split(',',$bodytext)) {
        my $styletext=&Apache::lonnet::getfile($location);       my $location=&Apache::lonnet::filelocation('',$file);
        if ($styletext ne '-1') {       my $styletext=&Apache::lonnet::getfile($location);
           %style_for_target = (%style_for_target,       if ($styletext ne '-1') {
                           &Apache::style::styleparser($target,$styletext));   %style_for_target = (%style_for_target,
        }        &Apache::style::styleparser($target,$styletext));
     }       }
    }
        }
  } elsif ($ENV{'construct.style'} && ($ENV{'request.state'} eq 'construct')) {   } elsif ($ENV{'construct.style'} && ($ENV{'request.state'} eq 'construct')) {
      my $location=&Apache::lonnet::filelocation('',$ENV{'construct.style'});       my $location=&Apache::lonnet::filelocation('',$ENV{'construct.style'});
      my $styletext=&Apache::lonnet::getfile($location);       my $styletext=&Apache::lonnet::getfile($location);
Line 388  sub latex_special_symbols { Line 400  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 397  sub latex_special_symbols { Line 411  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 $string;
Line 604  sub setup_globals { Line 619  sub setup_globals {
   my ($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 662  sub init_safespace { Line 678  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 736  sub init_safespace { Line 754  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();
Line 747  sub init_safespace { Line 767  sub init_safespace {
   &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 782  sub default_homework_load { Line 781  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 809  sub initdepth { Line 816  sub initdepth {
   $Apache::lonxml::olddepth=-1;    $Apache::lonxml::olddepth=-1;
 }  }
   
   my @timers;
   my $lasttime;
 sub increasedepth {  sub increasedepth {
   my ($token) = @_;    my ($token) = @_;
   $Apache::lonxml::depth++;    $Apache::lonxml::depth++;
Line 816  sub increasedepth { Line 825  sub increasedepth {
   if ($Apache::lonxml::depthcounter[$Apache::lonxml::depth]==1) {    if ($Apache::lonxml::depthcounter[$Apache::lonxml::depth]==1) {
     $Apache::lonxml::olddepth=$Apache::lonxml::depth;      $Apache::lonxml::olddepth=$Apache::lonxml::depth;
   }    }
     my $time;
     if ($Apache::lonxml::debug eq "1") {
         push(@timers,[&gettimeofday()]);
         $time=&tv_interval($lasttime);
         $lasttime=[&gettimeofday()];
     }
     my $spacing='  'x($Apache::lonxml::depth-1);
   my $curdepth=join('_',@Apache::lonxml::depthcounter);    my $curdepth=join('_',@Apache::lonxml::depthcounter);
   &Apache::lonxml::debug("s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n");    &Apache::lonxml::debug("s$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1] : $time : \n");
 #print "<br />s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n";  #print "<br />s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n";
 }  }
   
Line 832  sub decreasedepth { Line 848  sub decreasedepth {
     &Apache::lonxml::warning(&mt("Missing tags, unable to properly run file."));      &Apache::lonxml::warning(&mt("Missing tags, unable to properly run file."));
     $Apache::lonxml::depth='-1';      $Apache::lonxml::depth='-1';
   }    }
     my ($timer,$time);
     if ($Apache::lonxml::debug eq "1") {
         $timer=pop(@timers);
         $time=&tv_interval($lasttime);
         $lasttime=[&gettimeofday()];
     }
     my $spacing='  'x$Apache::lonxml::depth;
   my $curdepth=join('_',@Apache::lonxml::depthcounter);    my $curdepth=join('_',@Apache::lonxml::depthcounter);
   &Apache::lonxml::debug("e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n");    &Apache::lonxml::debug("e$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1] : $time : ".&tv_interval($timer)."\n");
 #print "<br />e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n";  #print "<br />e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n";
 }  }
   
 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(.*)/is) {   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 1006  sub parstring { Line 1029  sub parstring {
     unless ($_=~/\W/) {      unless ($_=~/\W/) {
       my $val=$token->[2]->{$_};        my $val=$token->[2]->{$_};
       $val =~ s/([\%\@\\\"\'])/\\$1/g;        $val =~ s/([\%\@\\\"\'])/\\$1/g;
         $val =~ s/(\$[^{a-zA-Z_])/\\$1/g;
         $val =~ s/(\$)$/\\$1/;
       #if ($val =~ m/^[\%\@]/) { $val="\\".$val; }        #if ($val =~ m/^[\%\@]/) { $val="\\".$val; }
       $temp .= "my \$$_=\"$val\";";        $temp .= "my \$$_=\"$val\";";
     }      }
Line 1094  sub storefile { Line 1119  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 1129  sub inserteditinfo { Line 1153  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();
     if (!&Apache::lonhtmlcommon::htmlareablocked() &&
         &Apache::lonhtmlcommon::htmlareabrowser()) {
         $initialize.=(<<FULLPAGE);
   <script type="text/javascript">
   $addbuttons
   
       HTMLArea.loadPlugin("FullPage");
   
       function initDocument() {
    var editor=new HTMLArea("filecont",config);
    editor.registerPlugin(FullPage);
    editor.generate();
       }
   </script>
   FULLPAGE
             } else {
         $initialize.=(<<FULLPAGE);
   <script type="text/javascript">
   $addbuttons
       function initDocument() {
       }
   </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 1146  $cleanbut Line 1199  $cleanbut
 <input type="submit" name="savethisfile" accesskey="s"  value="$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');
         $buttons.=&Apache::lonhtmlcommon::htmlareaselectactive('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 1245  $bodytag Line 1302  $bodytag
 </body>  </body>
 </html>  </html>
 ENDNOTFOUND  ENDNOTFOUND
     $filecontents='';          $filecontents='';
  if ($ENV{'request.state'} ne 'published') {   if ($ENV{'request.state'} ne 'published') {
     if ($filetype eq 'sty') {      if ($filetype eq 'sty') {
  $filecontents=&createnewsty();   $filecontents=&createnewsty();
Line 1256  ENDNOTFOUND Line 1313  ENDNOTFOUND
  }   }
     } else {      } else {
  unless ($ENV{'request.state'} eq 'published') {   unless ($ENV{'request.state'} eq 'published') {
       if ($filecontents=~/BEGIN LON-CAPA Internal/) {
    &Apache::lonxml::error(&mt('This file appears to be a rendering of a Lon-CAPA resource. If this is correct, this resource will act very oddly and incorrectly.'));
       }
   
     if ($ENV{'form.attemptclean'}) {      if ($ENV{'form.attemptclean'}) {
  $filecontents=&htmlclean($filecontents,1);   $filecontents=&htmlclean($filecontents,1);
     }      }
Line 1277  ENDNOTFOUND Line 1338  ENDNOTFOUND
  if ($ENV{'form.editmode'} && (!($ENV{'form.viewmode'}))) {   if ($ENV{'form.editmode'} && (!($ENV{'form.viewmode'}))) {
     my $displayfile=$request->uri;      my $displayfile=$request->uri;
     $displayfile=~s/^\/[^\/]*//;      $displayfile=~s/^\/[^\/]*//;
     $result='<html><body bgcolor="#FFFFFF">'.      my $bodytag='<body bgcolor="#FFFFFF">';
       if ($ENV{'environment.remote'} eq 'off') {
    $bodytag=&Apache::loncommon::bodytag();
       }
       $result='<html>'.$bodytag.
  &Apache::lonxml::message_location().'<h3>'.   &Apache::lonxml::message_location().'<h3>'.
  $displayfile.   $displayfile.
  '</h3></body></html>';   '</h3></body></html>';
Line 1312  sub debug { Line 1377  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 show_error_warn_msg {
       return (($Apache::lonxml::debug eq 1) ||
       ($ENV{'request.state'} eq 'construct') ||
       ($Apache::lonhomework::browse eq 'F'
        &&
        $ENV{'form.show_errors'} eq 'on'));
   }
   
 sub error {  sub error {
   $errorcount++;      $errorcount++;
   my $request=$Apache::lonxml::request;      if ( &show_error_warn_msg() ) {
   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 {
     $warningcount++;      $warningcount++;
       
     if ($ENV{'form.grade_target'} ne 'tex') {      if ($ENV{'form.grade_target'} ne 'tex') {
  if ($ENV{'request.state'} eq 'construct' || $Apache::lonxml::debug) {   if ( &show_error_warn_msg() ) {
     my $request=$Apache::lonxml::request;      my $request=$Apache::lonxml::request;
     if (!$request) { $request=Apache->request; }      if (!$request) { $request=Apache->request; }
     push(@Apache::lonxml::warning_messages,      push(@Apache::lonxml::warning_messages,
Line 1424  sub get_param_var { Line 1508  sub get_param_var {
   } elsif ( $args !~ /my \$\Q$param\E=\"/ ) { return undef; }    } elsif ( $args !~ /my \$\Q$param\E=\"/ ) { return undef; }
   my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #'    my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #'
   &Apache::lonxml::debug("first run is $value");    &Apache::lonxml::debug("first run is $value");
   if ($value =~ /^[\$\@\%]\w+$/) {    if ($value =~ /^[\$\@\%][a-zA-Z_]\w*$/) {
       &Apache::lonxml::debug("doing second");        &Apache::lonxml::debug("doing second");
       my @result=&Apache::run::run("return $value",$safeeval,1);        my @result=&Apache::run::run("return $value",$safeeval,1);
       if (!defined($result[0])) {        if (!defined($result[0])) {
Line 1512  sub whichuser { Line 1596  sub whichuser {
   my ($passedsymb)=@_;    my ($passedsymb)=@_;
   my ($symb,$courseid,$domain,$name,$publicuser);    my ($symb,$courseid,$domain,$name,$publicuser);
   if (defined($ENV{'form.grade_symb'})) {    if (defined($ENV{'form.grade_symb'})) {
     my $tmp_courseid=$ENV{'form.grade_courseid'};        my ($tmp_courseid)=
     my $allowed=&Apache::lonnet::allowed('vgr',$tmp_courseid);    &Apache::loncommon::get_env_multiple('form.grade_courseid');
     if ($allowed) {        my $allowed=&Apache::lonnet::allowed('vgr',$tmp_courseid);
       $symb=$ENV{'form.grade_symb'};        if (!$allowed && 
       $courseid=$ENV{'form.grade_courseid'};    exists($ENV{'request.course.sec'}) && 
       $domain=$ENV{'form.grade_domain'};    $ENV{'request.course.sec'} !~ /^\s*$/) {
       $name=$ENV{'form.grade_username'};    $allowed=&Apache::lonnet::allowed('vgr',$tmp_courseid.
     }      '/'.$ENV{'request.course.sec'});
   } else {  
       if (!$passedsymb) {  
           $symb=&Apache::lonnet::symbread();  
       } else {  
           $symb=$passedsymb;  
       }        }
       $courseid=$ENV{'request.course.id'};        if ($allowed) {
       $domain=$ENV{'user.domain'};    ($symb)=&Apache::loncommon::get_env_multiple('form.grade_symb');
       $name=$ENV{'user.name'};    $courseid=$tmp_courseid;
       if ($name eq 'public' && $domain eq 'public') {    ($domain)=&Apache::loncommon::get_env_multiple('form.grade_domain');
   if (!defined($ENV{'form.username'})) {    ($name)=&Apache::loncommon::get_env_multiple('form.grade_username');
       $ENV{'form.username'}.=time.rand(10000000);    return ($symb,$courseid,$domain,$name,$publicuser);
   }        }
   $name.=$ENV{'form.username'};    }
     if (!$passedsymb) {
         $symb=&Apache::lonnet::symbread();
     } else {
         $symb=$passedsymb;
     }
     $courseid=$ENV{'request.course.id'};
     $domain=$ENV{'user.domain'};
     $name=$ENV{'user.name'};
     if ($name eq 'public' && $domain eq 'public') {
         if (!defined($ENV{'form.username'})) {
     $ENV{'form.username'}.=time.rand(10000000);
       }        }
         $name.=$ENV{'form.username'};
   }    }
   return ($symb,$courseid,$domain,$name,$publicuser);    return ($symb,$courseid,$domain,$name,$publicuser);
 }  }
Removed from v.1.320  
changed lines
  Added in v.1.350

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