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Diff for /loncom/xml/scripttag.pm between versions 1.35 and 1.81

version 1.35, 2001/03/27 16:56:56 version 1.81, 2002/11/06 23:05:02
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  # 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;
   
 sub BEGIN {  #Globals
   &Apache::lonxml::register('Apache::scripttag',('script','scriptlib',  # this used to pass around the standard callsub arguments to a tag func
  'parserlib','import',  # so xmlparse can reenter the inner_xmlparse loop.
                                                  'window','display'));  
   @Apache::scripttag::parser_env = ();
   BEGIN {
     &Apache::lonxml::register('Apache::scripttag',
       ('script','scriptlib','parserlib','import',
        'window','display','storetc','physnet',
        'standalone','comment',
        'LONCAPA_INTERNAL_TURN_STYLE_ON'));
   }
   
   sub start_LONCAPA_INTERNAL_TURN_STYLE_ON {
       $Apache::lonxml::usestyle=1;
       return ('','no');
   }
   
   sub end_LONCAPA_INTERNAL_TURN_STYLE_ON {
       return ('','no');
 }  }
   
 sub start_script {  sub start_script {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   my $args ='';    @Apache::scripttag::parser_env = @_;
   if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }  
   my $type = &Apache::run::run("{$args;".'return $type}',$safeeval);  
   my $result='';    my $result='';
   #&Apache::lonxml::debug("found type of $type");    my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval);
     &Apache::lonxml::debug("found type of $type");
   if ($type eq "loncapa/perl") {    if ($type eq "loncapa/perl") {
     my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);      my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
       
     if ( $target eq "modified" ) {      if ( $target eq "modified" ) {
     } elsif ( $target eq "web" || $target eq "grade" ) {        $result=$token->[4].&Apache::edit::modifiedfield();
       &Apache::run::run($bodytext,$safeeval);      } elsif ( $target eq 'web' || $target eq 'tex' ||
         $target eq 'grade' || $target eq 'answer' ||
         $target eq 'analyze' ) {
    if (!$Apache::lonxml::default_homework_loaded) {
       &Apache::lonxml::default_homework_load($safeeval);
    }
    &Apache::run::run($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 $listing= &HTML::Entities::encode(&Apache::run::dump($target,$safeeval));
   
       $result.=$listing;
       $result.= "</pre></body></html>\');newWindow.document.close();void(0);\">Script Vars</a><br />";
    }
     } elsif ($target eq "edit" ) {      } elsif ($target eq "edit" ) {
       &Apache::run::run($bodytext,$safeeval);        #&Apache::run::run($bodytext,$safeeval);
       $result="<br /> &lt;$token->[1]&gt; output: <br />$bodytext<br />Source:<br />";        #$result="<br /> &lt;$token->[1]&gt; output: <br />$bodytext<br />Source:<br />";
       $result.=&editfield($token->[1],$bodytext);        $result=&Apache::edit::tag_start($target,$token,'Script');
         $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4);
     }      }
   } else {    } else {
     if ($target ne "meta") { $result = $token->[4]; }      if ($target ne "meta") {
         $result = $token->[4];
         my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
         $result.=$bodytext;
       }
   }    }
   return $result;    return $result;
 }  }
   
 sub end_script {  sub end_script {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   if ( $target eq "meta" ) { return ''; }     if ( $target eq "meta" ) { return ''; } 
   my $args ='';    my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
   if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }  
   my $type = &Apache::run::run("{$args;".'return $type}',$safeeval);  
   my $result='';    my $result='';
   #other script blocks need to survive    #other script blocks need to survive
   if ($type ne "loncapa/perl") { return $token->[2]; }    if ($type ne "loncapa/perl") {
       return $token->[2];
     } elsif ($target eq 'edit' ) {
       return &Apache::edit::end_table();
     } elsif ($target eq 'answer') {
       $Apache::lonxml::evaluate++;
     }
   return '';    return '';
 }  }
   
 sub start_display {  sub start_display {
   my ($target,$token,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   my $args ='';  
   if ( $#$parstack > -1 ) {    my $result;
     $args=$$parstack[$#$parstack];  
   }  
   my $bodytext=&Apache::lonxml::get_all_text("/display",$$parser[$#$parser]);    my $bodytext=&Apache::lonxml::get_all_text("/display",$$parser[$#$parser]);
     
   if ( $target eq "modified" ) {    if ( $target eq "modified" ) {
   }      $result=$token->[4].&Apache::edit::modifiedfield();
   my $result=&Apache::run::run($bodytext,$safeeval);    } elsif ( $target eq 'web' || $target eq 'tex' ||
   if ($target eq 'grade' ) {      $target eq 'grade' || $target eq 'answer' ||
     # grade should produce no output        $target eq 'analyze') {
     $result='';        if (!$Apache::lonxml::default_homework_loaded) {
   }    &Apache::lonxml::default_homework_load($safeeval);
   if ($target eq "edit" ) {        }
     $result =         $result=&Apache::run::run($bodytext,$safeeval);
       "<br /> &lt;$token->[1]&gt; output: <br />$bodytext<br />Source:<br />";        if ($target eq 'grade' || $target eq 'answer' ||
     $result.=&editfield($token->[1],$bodytext);    $target eq 'analyze') {
     $result=''; # grade should produce no output
         }
     } elsif ($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,'',80,1)
   }    }
   return $result;    return $result;
 }  }
   
 sub end_display {  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=$$parser[$#$parser]->get_text("/scriptlib");    my $bodytext;
   my $result ="";    my $result ='';
     my $error='';
   $bodytext=&Apache::run::evaluate($bodytext,$safeeval,  
    $$parstack[$#$parstack]);    if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' || 
   my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],        $target eq 'edit' || $target eq 'answer' || $target eq 'analyze') {
      $bodytext);      $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
   my $script=&Apache::lonnet::getfile($location);      $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
   if ($script == -1) {       $$parstack[$#$parstack]);
     &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");      my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
     return "";         $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 />");
   }    }
   &Apache::run::run($script,$safeeval);  
   #&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />");  
   
   if ($target eq "edit" ) {    if ($target eq "edit" ) {
     $result.=&editfield($token->[1],$bodytext);      $result=
         &Apache::edit::tag_start($target,$token,'New Script Functions').
    &Apache::edit::editline($token->[1],$bodytext,'',40).
     $error.'</td></tr>'.
       &Apache::edit::end_table();
     }
     if ($target eq "modified" ) {
       $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
       $result=$token->[4].&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=$$parser[$#$parser]->get_text("/parserlib");    my $bodytext;
   my $result ="";    my $result ="";
     my $error='';
   $bodytext=&Apache::run::evaluate($bodytext,$safeeval,    if ($target eq 'web' || $target eq 'grade' || $target eq 'meta' ||
   $$parstack[$#$parstack]);        $target eq 'edit' || $target eq 'answer' || $target eq 'analyze') {
   my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],      $bodytext=$$parser[$#$parser]->get_text("/parserlib");
      $bodytext);      $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
   my $styletext=&Apache::lonnet::getfile($location);       $$parstack[$#$parstack]);
   #&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:");      my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
   if ($styletext == -1) {         $bodytext);
     &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");      my $styletext=&Apache::lonnet::getfile($location);
     return "";      #&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,$styletext));
   }    }
   %$style = ( %$style , &Apache::style::styleparser($target,$styletext));  
   
   if ($target eq "edit" ) {    if ($target eq "edit" ) {
     $result=&editfield($token->[1],$bodytext);      $result=
         &Apache::edit::tag_start($target,$token,'New Tag Definitions').
    &Apache::edit::editline($token->[1],$bodytext,'',40).
     $error.'</td></tr>'.
       &Apache::edit::end_table();
     }
     if ($target eq "modified" ) {
       $bodytext=$$parser[$#$parser]->get_text("/parserlib");
       $result=$token->[4].&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 {  sub start_window {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result = '';    my $result = '';
   if ($target eq 'web') {    if ($target eq 'web') {
     &Apache::lonxml::startredirection;      &Apache::lonxml::startredirection;
   }  elsif ($target eq 'tex') {    }  elsif ($target eq 'tex') {
        $result = '\footnote{';         $result = '\unskip\footnote{';
    }     }
   return $result;      return $result;  
 }  }
   
 sub end_window {  sub end_window {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result;    my $result;
   if ($target eq 'web') {    if ($target eq 'web') {
     my $output=&Apache::lonxml::endredirection;      my $output=&Apache::lonxml::endredirection;
Line 153  sub end_window { Line 268  sub end_window {
 }  }
   
 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 ="";
   
   $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);    $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
   my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);  
   my $file=&Apache::lonnet::getfile($location);  
   if ($file == -1) {  
     &Apache::lonxml::error("<b> Unable to find <i>$bodytext $location</i> for import</b>");  
     return "";  
   }  
   
   my $dir=$location;    if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
   $dir=~s:/[^/]*$::;          $target eq 'tex' || $target eq 'analyze' ) {
 #  &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n");      # FIXME this probably needs to be smart about construction vs.
   &Apache::lonxml::newparser($parser,\$file,$dir);      # non construction space.
       my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
       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 "";
       }
   
   if ($target eq "edit" ) {      my $dir=$location;
     $result.=&editfield($token->[1],$bodytext);      $dir=~s:/[^/]*$::;
     $result.="Click<a href=\"/res/$bodytext\">here</a> to edit<br />"      #  &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);
       $result.=&Apache::edit::editline($token->[1],$bodytext,'',40);
       #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");
       $result=$token->[4].&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 '';    return $result;
 }  }
   
 sub end_import {  sub end_import {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     pop(@Apache::inputtags::import);
     my $result;
     if ($target eq 'edit' ) { $result=&Apache::edit::end_table(); }
     return $result;
 }  }
   
 sub start_meta {  sub start_storetc {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result = '';    my $result = '';
     if ($target ne 'meta') {    &Apache::lonxml::startredirection;
        $result = &Apache::lonxml::get_all_text("/meta",$$parser[$#$parser]);     return $result; 
        $result = '';  
       return $result;   
     } else {  
        return $result;   
     }  
 }  }
   
 sub end_meta {  sub end_storetc {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       my $result;
       my $output=&Apache::lonxml::endredirection;
       $output =~ s/\"/\&quot\;/g;
       $result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}';
       return $result;
 }  }
   
 sub editfield {  
   my ($tag,$data)=@_;  sub start_physnet {
         my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $count=0;      my $bodytext = '/adm/includes/physnet.sty';
   my $maxlength=-1;      my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
   map { $count++;      my $cbistyletext=&Apache::lonnet::getfile($location);
  if (length($_) > $maxlength) { $maxlength = length ($_); }  
       } split ("\n", $data);      %$style = (%$style,&Apache::style::styleparser($target,$cbistyletext));
         $$parser['-1']->unget_token($token);
   return "<br />\n&lt;$tag&gt;<br />\n&nbsp;&nbsp;&nbsp;<textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea><br />\n&lt;/$tag&gt;<br />\n";  #    if ( defined($$style{'physnet'}) ) {
   #        &Apache::lonxml::newparser($parser,\$$style{'physnet'});
   #    }
       return "";
 }  }
   
 sub getfilenothere {  sub end_physnet {
   my ($filename) = @_;    return '';
   my $a="";  }
     
   $filename=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces  sub start_standalone {
   $filename="/home/httpd/html/res".$filename;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   if (! -e $filename ) {    my $result='';
     &Apache::lonnet::subscribe($filename);    if ($target eq 'web' ) {
     &Apache::lonnet::repcopy($filename);      if ( $ENV{'request.course.id'} ) {
         my $inside = &Apache::lonxml::get_all_text("/standalone",$$parser[-1]);
       } else {
         $result='<table bgcolor="#E1E1E1" border="2"><tr><td>';
       }
   }    }
   if (! -e $filename ) { return -1; };    return $result;
   my $fh=Apache::File->new($filename);  }
   while (<$fh>) {  
       $a .=$_;  sub end_standalone {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result='';
     if ($target eq 'web' ) {
       if ( $ENV{'request.course.id'} ) {
       } else {
         $result='</td></tr></table>';
       }
     }
     return $result;
   }
   
   sub start_comment {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result='';
     if ($target eq 'edit') {
       $result=&Apache::edit::tag_start($target,$token);
       my $bodytext=&Apache::lonxml::get_all_text("/comment",$$parser[$#$parser]);
       $result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4)
     } elsif ( $target eq 'modified') {
       $result=$token->[4].&Apache::edit::modifiedfield($token);
     } elsif ( $target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
       $target eq 'answer' || $target eq 'meta' || $target eq 'analyze') {
       #normally throw away comments
       my $bodytext=&Apache::lonxml::get_all_text("/comment",$$parser[$#$parser]);
   }    }
   return $a    return $result;
   }
   
   sub end_comment {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     if ($target eq 'edit' ) { return &Apache::edit::end_table(); }
     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.1.35  
changed lines
  Added in v.1.81

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