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Diff for /loncom/xml/lonxml.pm between versions 1.312 and 1.316

version 1.312, 2004/03/19 22:06:53 version 1.316, 2004/04/12 22:55:59
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);
 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 409  sub latex_special_symbols { Line 387  sub latex_special_symbols {
         $string=~s/([^\\])\#/$1\\\#/g;          $string=~s/([^\\])\#/$1\\\#/g;
     } 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\\$2/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
  $string=&Apache::lonprintout::character_chart($string);   $string=&Apache::lonprintout::character_chart($string);
  # 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;
 #single { or } How to escape?  #single { or } How to escape?
     }      }
     return $string;      return $string;
Line 517  sub inner_xmlparse { Line 495  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'] .= $result;
       } else {        } else {
Line 871  sub get_all_text_unbalanced { Line 845  sub get_all_text_unbalanced {
    } elsif ($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);       &Apache::lonxml::debug('Got a winner with leftovers ::'.$2);
      &Apache::lonxml::debug('Result is :'.$1);       &Apache::lonxml::debug('Result is :'.$1);
      $result=$1;       $result=$1;
Line 933  sub get_all_text { Line 907  sub get_all_text {
  } elsif ($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 $string=
Line 967  sub get_all_text { Line 941  sub get_all_text {
     #never found the end tag ran out of text, throw error send back blank      #never found the end tag ran out of text, throw error send back blank
     &error('Never found end tag for &lt;'.$tag.      &error('Never found end tag for &lt;'.$tag.
    '&gt; current string <pre>'.     '&gt; current string <pre>'.
    &HTML::Entities::encode($result).     &HTML::Entities::encode($result,'<>&"').
    '</pre>');     '</pre>');
     if ($gotfullstack) {      if ($gotfullstack) {
  my $newstring='</'.$tag.'>'.$result;   my $newstring='</'.$tag.'>'.$result;
Line 985  sub get_all_text { Line 959  sub get_all_text {
  } elsif ($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 1144  SIMPLECONTENT Line 1118  SIMPLECONTENT
   
 sub inserteditinfo {  sub inserteditinfo {
       my ($result,$filecontents,$filetype)=@_;        my ($result,$filecontents,$filetype)=@_;
       $filecontents = &HTML::Entities::encode($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 $xml_help = '';
       if ($filetype eq 'html') {        if ($filetype eq 'html') {
Line 1329  sub debug { Line 1303  sub debug {
  $|=1;   $|=1;
  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");
     }      }
 }  }
   
Removed from v.1.312  
changed lines
  Added in v.1.316

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