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Diff for /loncom/xml/scripttag.pm between versions 1.12 and 1.61

version 1.12, 2000/08/11 15:27:58 version 1.61, 2002/01/06 02:19:25
Line 1 Line 1
 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # <script> definiton  # <script> definiton
   #
   # $Id$
   #
   # 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/
   #
   # 2/21 Guy
   # 8/20 Gerd Kortemeyer
   
   package Apache::scripttag;
 package Apache::scripttag;   
   
 use strict;  use strict;
 use Apache::lonnet;  use Apache::lonnet;
   use Apache::style;
   
   #Globals
   # this used to pass around the standard callsub arguments to a tag func
   # so xmlparse can reenter the inner_xmlparse loop.
   
 sub BEGIN {  @Apache::scripttag::parser_env = ();
   BEGIN {
   &Apache::lonxml::register('Apache::scripttag',('script','scriptlib',    &Apache::lonxml::register('Apache::scripttag',('script','scriptlib',
  'parserlib','import'));   'parserlib','import',
                                                    'window','display',
                                                    'storetc','physnet'));
 }  }
   
 sub start_script {  sub start_script {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   my $result="";    @Apache::scripttag::parser_env = @_;
   my $bodytext=$$parser[$#$parser]->get_text("/script");    my $result='';
   if ($target ne "edit" ) {    my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval);
     $result = &Apache::run::run($bodytext,$safeeval);    &Apache::lonxml::debug("found type of $type");
     if ($type eq "loncapa/perl") {
       my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
       if ( $target eq "modified" ) {
         $result=$token->[4].&Apache::edit::modifiedfield();
       } elsif ( $target eq 'web' || $target eq 'tex' ||
         $target eq 'grade' || $target eq 'answer') {
         &Apache::run::run($bodytext,$safeeval);
         if (($target eq 'answer') && ($Apache::lonhomework::viewgrades == 'F')) {
    $Apache::lonxml::evaluate--;
    $result.="<a href=\"javascript:newWindow=open(\'\',\'new_W\',\'width=500,height=200,scrollbars=1\');newWindow.document.open(\'text/html\',\'replace\');newWindow.document.writeln(\'<html><head><title>newwindow</title></head><body bgcolor=&quot;#FFFFFF&quot;><pre>";
    my $listing= &Apache::run::dump($target,$safeeval);
    $listing =~ s/\n/\\n/g;
    $listing =~ s/\"/&quot;/g;
    $listing =~ s/\'/&rsquo;/g;
    $listing =~ s/</&lt;/g;
    $listing =~ s/>/&gt;/g;
    $listing =~ s/&/&amp;/g;
    $result.=$listing;
    $result.= "</pre></body></html>\');newWindow.document.close();void(0);\">Script Vars</a><br />";
         }
       } elsif ($target eq "edit" ) {
         #&Apache::run::run($bodytext,$safeeval);
         #$result="<br /> &lt;$token->[1]&gt; output: <br />$bodytext<br />Source:<br />";
         $result=&Apache::edit::tag_start($target,$token,'Script');
         $result.=&Apache::edit::editfield($token->[1],$bodytext,'',50,4);
       }
   } else {    } else {
     $result=&editfield($token->[1],$bodytext);      if ($target ne "meta") { $result = $token->[4]; }
   }    }
   return $result;    return $result;
 }  }
   
 sub end_script {}  sub end_script {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     if ( $target eq "meta" ) { return ''; } 
     my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
     my $result='';
     #other script blocks need to survive
     if ($type ne "loncapa/perl") {
       return $token->[2];
     } elsif ($target eq 'edit' ) {
       return &Apache::edit::end_table();
     } elsif (($ENV{'request.state'} eq 'construct') && ($target eq 'answer')) {
       $Apache::lonxml::evaluate++;
     }
     return '';
   }
   
   sub start_display {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   
     my $result;
     my $bodytext=&Apache::lonxml::get_all_text("/display",$$parser[$#$parser]);
   
     if ( $target eq "modified" ) {
       $result=$token->[4].&Apache::edit::modifiedfield();
     } elsif ( $target eq 'web' || $target eq 'tex' ||
       $target eq 'grade' || $target eq 'answer') {
       $result=&Apache::run::run($bodytext,$safeeval);
       if ($target eq 'grade' || $target eq 'answer' ) {
         $result=''; # grade should produce no output
       }
     } elsif ($target eq "edit" ) {
       #$result = 
       #  "<br /> &lt;$token->[1]&gt; output: <br />$bodytext<br />Source:<br />";
       #$result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
       $result=&Apache::edit::tag_start($target,$token,'Script With Display');
       $result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1)
     }
     return $result;
   }
   
   sub end_display {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
     return '';
   }
   
 sub start_scriptlib {  sub start_scriptlib {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $bodytext=$$parser[$#$parser]->get_text("/scriptlib");    my $bodytext;
   my $result ="";    my $result ='';
   if ($target ne "edit" ) {    my $error='';
     $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);  
     &Apache::run::run(&getfile($bodytext),$safeeval);    if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit' || $target eq 'answer') {
     #print "ran $bodytext:<br>".&getfile($bodytext)."<br>";      $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
   } else {      $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
     $result=&editfield($token->[1],$bodytext);       $$parstack[$#$parstack]);
       my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
          $bodytext);
       my $script=&Apache::lonnet::getfile($location);
       if ($script == -1) {
         if ($target eq 'edit') {
           $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
         } else {
    &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
    return "";
         }
       }
       &Apache::run::run($script,$safeeval);
       #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");
     }
     if ($target eq "edit" ) {
       $result=
         &Apache::edit::tag_start($target,$token,'New Script Functions').
    &Apache::edit::editfield($token->[1],$bodytext,'',40,1).
     $error.'</td></tr>'.
       &Apache::edit::end_table();
     }
     if ($target eq "modified" ) {
       $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
       $result=&Apache::edit::modifiedfield($token);
       &Apache::lonxml::debug($result);
   }    }
   return $result;    return $result;
 }  }
   
 sub end_scriptlib {}  sub end_scriptlib {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my @result;
     if ($target eq "edit" ) { $result[1]='no'; }
     return @result;
   }
   
 sub start_parserlib {  sub start_parserlib {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $bodytext=$$parser[$#$parser]->get_text("/parserlib");    my $bodytext;
   my $result ="";    my $result ="";
   if ($target ne "edit" ) {    my $error='';
     $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);    if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || $target eq 'edit' || $target eq 'answer') {
     %$style = ( %$style , &Apache::style::styleparser($target,       $bodytext=$$parser[$#$parser]->get_text("/parserlib");
  &getfile($bodytext)));      $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
   } else {       $$parstack[$#$parstack]);
     $result=&editfield($token->[1],$bodytext);      my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
          $bodytext);
       my $styletext=&Apache::lonnet::getfile($location);
       #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");
       if ($styletext == -1) {
         if ($target eq 'edit') {
    $error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n";
         } else {
    &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
    return "";
         }
       }
       %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
     }
     if ($target eq "edit" ) {
       $result=
         &Apache::edit::tag_start($target,$token,'New Tag Definitions').
    &Apache::edit::editfield($token->[1],$bodytext,'',40,1).
     $error.'</td></tr>'.
       &Apache::edit::end_table();
     }
     if ($target eq "modified" ) {
       $bodytext=$$parser[$#$parser]->get_text("/parserlib");
       $result=&Apache::edit::modifiedfield($token);
       &Apache::lonxml::debug($result);
   }    }
   return $result;    return $result;
 }  }
   
 sub end_parserlib {  sub end_parserlib {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my @result;
     if ($target eq "edit" ) { $result[1]='no'; }
     return @result;
   }
   
   sub start_window {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result = '';
     if ($target eq 'web') {
       &Apache::lonxml::startredirection;
     }  elsif ($target eq 'tex') {
          $result = '\unskip\footnote{';
      }
     return $result;  
   }
   
   sub end_window {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;
     if ($target eq 'web') {
       my $output=&Apache::lonxml::endredirection;
       $output =~ s/\"/\&quot\;/g;
       $result = "<a href=\"javascript:newWindow=open(\'\',\'new_W\',\'width=500,height=200,scrollbars=1\');newWindow.document.open(\'text/html\',\'replace\');newWindow.document.writeln(\'<html><head><title>newwindow</title></head><body bgcolor=&quot;#FFFFFF&quot;> $output </body></html>\');newWindow.document.close();void(0);\"><sup>*</sup></a>";
     } elsif ($target eq 'tex') {
         $result = '}';
     } else {
         $result = '';
     }
     return $result; 
 }  }
   
 sub start_import {  sub start_import {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $bodytext=$$parser[$#$parser]->get_text("/import");    my $bodytext=$$parser[$#$parser]->get_text("/import");
   my $result ="";    my $result ="";
   if ($target ne "edit" ) {  
     $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);    $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
     my $file=&getfile($bodytext);  
     my $tempparser=HTML::TokeParser->new(\$file);    if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
     push (@$parser,$tempparser);      # FIXME this probably needs to be smart about construction vs.
   } else {      # non construction space.
     $result=&editfield($token->[1],$bodytext);      my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
     $result.="Click<a href=\"/res/$bodytext\">here</a> to edit<br></br>"      my $file=&Apache::lonnet::getfile($location);
       if ($file == -1) {
         &Apache::lonxml::error("<b> Unable to find <i>$bodytext as $location</i> for import</b>");
         return "";
       }
   
       my $dir=$location;
       $dir=~s:/[^/]*$::;
       #  &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");
       my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
       if (!$id) { $id=$Apache::lonxml::curdepth; }
       push(@Apache::inputtags::import,$id);
       &Apache::lonxml::newparser($parser,\$file,$dir);
     } elsif ($target eq "edit" ) {
       $result.=&Apache::edit::tag_start($target,$token);
       $result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1);
       #FIXME this need to convert $bodytext to be a contruction space reference
       #my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
       #$result.="Click<a href=\"$location\">here</a> to edit<br />"
     } elsif ($target eq 'modified') {
       $bodytext=$$parser[$#$parser]->get_text("/import");
       $result=&Apache::edit::modifiedfield($token);
       &Apache::lonxml::debug($result);
     } elsif ($target eq 'meta') {
       my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
       $result.='<import part="'.$Apache::inputtags::part;
       if ($id) {
         $result.='" id="'.$id;
       }
       $result.='">';
       $result.=$bodytext;
       $result.='</import>';
   }    }
     return $result;
 }  }
   
 sub end_import {  sub end_import {
     pop(@Apache::inputtags::import);
     return '';
 }  }
   
 sub editfield {  sub start_storetc {
   my ($tag,$data)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       my $result = '';
   my $count=0;    &Apache::lonxml::startredirection;
   my $maxlength=-1;    return $result; 
   map { $count++;  }
  if (length($_) > $maxlength) { $maxlength = length ($_); }  
       } split ("\n", $data);  sub end_storetc {
         my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   return "<br></br>\n&lt;$tag&gt;<br></br>\n&nbsp;&nbsp;&nbsp;<textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea><br></br>\n&lt;/$tag&gt;<br></br>\n";      my $result;
 }      my $output=&Apache::lonxml::endredirection;
       $output =~ s/\"/\&quot\;/g;
 sub getfile {      $result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}';
   my ($filename) = @_;      return $result;
   my $a="";  }
     
   $filename=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces  
   $filename="/home/httpd/html/res".$filename;  sub start_physnet {
   if (! -e $filename ) {      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     &Apache::lonnet::subscribe($filename);      my $bodytext = '/adm/includes/physnet.sty';
     &Apache::lonnet::repcopy($filename);      my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
   }      my $cbistyletext=&Apache::lonnet::getfile($location);
   my $fh=Apache::File->new($filename);  
   while (<$fh>) {      %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext));
       $a .=$_;      $$parser['-1']->unget_token($token);
   }  #    if ( defined($$style{'physnet'}) ) {
   return $a  #        &Apache::lonxml::newparser($parser,\$$style{'physnet'});
   #    }
       return "";
   }
   
   sub end_physnet {
     return '';
   }
   
   sub xmlparse {
     my ($string) = @_;
     &Apache::lonxml::debug("Got $string");
     my ($target,$token,$tagstack,$parstack,$oldparser,$safeeval,$style)=
       @Apache::scripttag::parser_env;
     my @parser;
     &Apache::lonxml::newparser(\@parser,\$string);
     my $result=&Apache::lonxml::inner_xmlparse($target,$tagstack,
        $parstack,\@parser,
        $safeeval,$style);
     return $result;
 }  }
   
 1;  1;
Removed from v.1.12  
changed lines
  Added in v.1.61

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