File:  [LON-CAPA] / loncom / xml / scripttag.pm
Revision 1.23: download - view: text, annotated - select for diffs
Tue Nov 14 22:24:38 2000 UTC (23 years, 6 months ago) by albertel
Branches: MAIN
CVS tags: HEAD
- new Apache::run::evaluate() still has quoting problems.

These probably can be gotten around by safe->share()ing a var?

    1: # The LearningOnline Network with CAPA
    2: # <script> definiton
    3: 
    4: 
    5: package Apache::scripttag; 
    6: 
    7: use strict;
    8: use Apache::lonnet;
    9: 
   10: sub BEGIN {
   11:   &Apache::lonxml::register('Apache::scripttag',('script','scriptlib',
   12: 						 'parserlib','import',
   13:                                                  'footnote'));
   14: }
   15: 
   16: $Apache::scripttag::SCRIPT_RESULT='';
   17: sub start_script {
   18:   my ($target,$token,$parstack,$parser,$safeeval)=@_;
   19:   my $args ='';
   20:   if ( $#$parstack > -1 ) {
   21:     $args=$$parstack[$#$parstack];
   22:   }
   23:   my $type = &Apache::run::run("{$args;".'return $type}',$safeeval);
   24:   #&Apache::lonxml::debug("found type of $type");
   25:   $Apache::scripttag::SCRIPT_RESULT='';
   26:   if ($type eq "loncapa/perl") {
   27:     $safeeval->share('$SCRIPT_RESULT');
   28:     my $bodytext=&Apache::lonxml::get_all_text("/script",$$parser[$#$parser]);
   29:     
   30:     if ( $target eq "modified" ) {
   31:     }
   32:     &Apache::run::run($bodytext,$safeeval);
   33:     
   34:     if ($target eq "edit" ) {
   35:       $Apache::scripttag::SCRIPT_RESULT = 
   36: 	"<br> &lt;$token->[1]&gt; output: <br>$bodytext<br>Source:<br>";
   37:       $Apache::scripttag::SCRIPT_RESULT.=&editfield($token->[1],$bodytext);
   38:     }
   39:   } else {
   40:     $Apache::scripttag::SCRIPT_RESULT = $token->[4];
   41:   }
   42:   return $Apache::scripttag::SCRIPT_RESULT;
   43: }
   44: 
   45: sub end_script {
   46:   my ($target,$token,$parstack,$parser,$safeeval)=@_;
   47:   return $token->[2]; 
   48: }
   49: 
   50: sub start_scriptlib {
   51:   my ($target,$token,$parstack,$parser,$safeeval)=@_;
   52:   my $bodytext=$$parser[$#$parser]->get_text("/scriptlib");
   53:   my $result ="";
   54: 
   55:   $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
   56: 				   $$parstack[$#$parstack]);
   57:   my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
   58: 					     $bodytext);
   59:   my $script=&Apache::lonnet::getfile($location);
   60:   if ($script == -1) {
   61:     &Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>");
   62:     return "";
   63:   }
   64:   &Apache::run::run($script,$safeeval);
   65:   #&Apache::lonxml::debug("ran $bodytext:<br>".&Apache::lonnet::getfile($bodytext)."<br>");
   66: 
   67:   if ($target eq "edit" ) {
   68:     $result.=&editfield($token->[1],$bodytext);
   69:   }
   70:   return $result;
   71: }
   72: 
   73: sub end_scriptlib {}
   74: 
   75: sub start_parserlib {
   76:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
   77:   my $bodytext=$$parser[$#$parser]->get_text("/parserlib");
   78:   my $result ="";
   79: 
   80:   $bodytext=&Apache::run::evaluate($bodytext,$safeeval,
   81: 				  $$parstack[$#$parstack]);
   82:   my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],
   83: 					     $bodytext);
   84:   my $styletext=&Apache::lonnet::getfile($location);
   85:   if ($styletext == -1) {
   86:     &Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>");
   87:     return "";
   88:   }
   89:   %$style = ( %$style , &Apache::style::styleparser($target,$styletext));
   90: 
   91:   if ($target eq "edit" ) {
   92:     $result=&editfield($token->[1],$bodytext);
   93:   }
   94:   return $result;
   95: }
   96: 
   97: sub end_parserlib {
   98: }
   99: 
  100: sub start_footnote {
  101:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
  102:   my $result = '';
  103:   $Apache::lonxml::redirection = 0;
  104:   return $result;  
  105: }
  106: 
  107: sub end_footnote {
  108:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
  109:   $Apache::lonxml::outputstack =~ s/\"/\&quot\;/g;
  110:   my $result = "<a href=\"javascript:newWindow=open(\'\',\'new_W\',\'width=500,height=200\');newWindow.document.open(\'text/html\',\'replace\');newWindow.document.writeln(\'<html><head><title>newwindow</title></head><body bgcolor=&quot;#FFFFFF&quot;> $Apache::lonxml::outputstack </body></html>\');newWindow.document.close();void(0);\"><sup>*</sup></a>";
  111:    $Apache::lonxml::outputstack = "";
  112:    $Apache::lonxml::redirection = 1;
  113:   return $result; 
  114: }
  115: 
  116: sub start_import {
  117:   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;
  118:   my $bodytext=$$parser[$#$parser]->get_text("/import");
  119:   my $result ="";
  120: 
  121:   $bodytext=Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]);
  122:   my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext);
  123:   my $file=&Apache::lonnet::getfile($location);
  124:   if ($file == -1) {
  125:     &Apache::lonxml::error("<b> Unable to find <i>$bodytext $location</i> for import</b>");
  126:     return "";
  127:   }
  128: 
  129:   my $dir=$location;
  130:   $dir=~s:/[^/]*$::;
  131:   &Apache::lonxml::newparser($parser,\$file,$dir);
  132: 
  133:   if ($target eq "edit" ) {
  134:     $result.=&editfield($token->[1],$bodytext);
  135:     $result.="Click<a href=\"/res/$bodytext\">here</a> to edit<br></br>"
  136:   }
  137: }
  138: 
  139: sub end_import {
  140: }
  141: 
  142: sub editfield {
  143:   my ($tag,$data)=@_;
  144:   
  145:   my $count=0;
  146:   my $maxlength=-1;
  147:   map { $count++;
  148: 	if (length($_) > $maxlength) { $maxlength = length ($_); }
  149:       } split ("\n", $data);
  150: 	  
  151:   return "<br></br>\n&lt;$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;/$tag&gt;<br></br>\n";
  152: }
  153: 
  154: sub getfilenothere {
  155:   my ($filename) = @_;
  156:   my $a="";
  157:   
  158:   $filename=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces
  159:   $filename="/home/httpd/html/res".$filename;
  160:   if (! -e $filename ) {
  161:     &Apache::lonnet::subscribe($filename);
  162:     &Apache::lonnet::repcopy($filename);
  163:   }
  164:   if (! -e $filename ) { return -1; };
  165:   my $fh=Apache::File->new($filename);
  166:   while (<$fh>) {
  167:       $a .=$_;
  168:   }
  169:   return $a
  170: }
  171: 
  172: 1;
  173: __END__

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