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Diff for /loncom/xml/lonxml.pm between versions 1.391 and 1.397

version 1.391, 2005/12/06 10:21:18 version 1.397, 2006/02/05 18:30:56
Line 52  use Math::Random(); Line 52  use Math::Random();
 use Opcode();  use Opcode();
 use POSIX qw(strftime);  use POSIX qw(strftime);
 use Time::HiRes qw( gettimeofday tv_interval );  use Time::HiRes qw( gettimeofday tv_interval );
   use Symbol();
   
 sub register {  sub register {
   my ($space,@taglist) = @_;    my ($space,@taglist) = @_;
Line 148  $Apache::lonxml::post_evaluate=1; Line 149  $Apache::lonxml::post_evaluate=1;
 #a header message to emit in the case of any generated warning or errors  #a header message to emit in the case of any generated warning or errors
 $Apache::lonxml::warnings_error_header='';  $Apache::lonxml::warnings_error_header='';
   
   #  Control whether or not LaTeX symbols should be substituted for their
   #  \ style equivalents...this may be turned off e.g. in an verbatim
   #  environment.
   
   $Apache::lonxml::substitute_LaTeX_symbols = 1; # Starts out on.
   
   sub enable_LaTeX_substitutions {
       $Apache::lonxml::substitute_LaTeX_symbols = 1;
   }
   sub disable_LaTeX_substitutions {
       $Apache::lonxml::substitute_LaTeX_symbols = 0;
   }
   
 sub xmlbegin {  sub xmlbegin {
     my ($style)=@_;      my ($style)=@_;
     my $output='';      my $output='';
Line 363  sub xmlparse { Line 377  sub xmlparse {
  &initdepth();   &initdepth();
  &init_alarm();   &init_alarm();
  my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars,   my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars,
    $safeeval,\%style_for_target);     $safeeval,\%style_for_target,1);
   
  if ($env{'request.uri'}) {   if ($env{'request.uri'}) {
     &writeallows($env{'request.uri'});      &writeallows($env{'request.uri'});
  }   }
  &do_registered_ssi();   &do_registered_ssi();
  if ($Apache::lonxml::counter_changed) { &store_counter() }   if ($Apache::lonxml::counter_changed) { &store_counter() }
   
    &clean_safespace($safeeval);
   
  if ($env{'form.return_only_error_and_warning_counts'}) {   if ($env{'form.return_only_error_and_warning_counts'}) {
      return "$errorcount:$warningcount";       return "$errorcount:$warningcount";
  }   }
Line 378  sub xmlparse { Line 395  sub xmlparse {
   
 sub latex_special_symbols {  sub latex_special_symbols {
     my ($string,$where)=@_;      my ($string,$where)=@_;
       #
       #  If e.g. in verbatim mode, then don't substitute.
       #  but return original string.
       #
       if (!($Apache::lonxml::substitute_LaTeX_symbols)) {
    return $string;
       }
     if ($where eq 'header') {      if ($where eq 'header') {
  $string =~ s/(\\|_|\^)/ /g;   $string =~ s/(\\|_|\^)/ /g;
  $string =~ s/(\$|%|\{|\})/\\$1/g;   $string =~ s/(\$|%|\{|\})/\\$1/g;
Line 407  sub latex_special_symbols { Line 431  sub latex_special_symbols {
 }  }
   
 sub inner_xmlparse {  sub inner_xmlparse {
   my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target)=@_;    my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target,$start)=@_;
   my $finaloutput = '';    my $finaloutput = '';
   my $result;    my $result;
   my $token;    my $token;
Line 522  sub inner_xmlparse { Line 546  sub inner_xmlparse {
   #   $finaloutput.=&endredirection;    #   $finaloutput.=&endredirection;
   # }    # }
   
   if ($target eq 'grade') { &endredirection(); }    if ( $start && $target eq 'grade') { &endredirection(); }
   if ( $Apache::lonxml::redirection > $startredirection) {    if ( $Apache::lonxml::redirection > $startredirection) {
       while ($Apache::lonxml::redirection > $startredirection) {        while ($Apache::lonxml::redirection > $startredirection) {
   $finaloutput .= &endredirection();    $finaloutput .= &endredirection();
Line 625  sub setup_globals { Line 649  sub setup_globals {
   @Apache::lonxml::ssi_info=();    @Apache::lonxml::ssi_info=();
   $Apache::lonxml::post_evaluate=1;    $Apache::lonxml::post_evaluate=1;
   $Apache::lonxml::warnings_error_header='';    $Apache::lonxml::warnings_error_header='';
     $Apache::lonxml::substitute_LaTeX_symbols = 1;
   if ($target eq 'meta') {    if ($target eq 'meta') {
     $Apache::lonxml::redirection = 0;      $Apache::lonxml::redirection = 0;
     $Apache::lonxml::metamode = 1;      $Apache::lonxml::metamode = 1;
Line 795  sub init_safespace { Line 820  sub init_safespace {
   &initialize_rndseed($safeeval);    &initialize_rndseed($safeeval);
 }  }
   
   sub clean_safespace {
       my ($safeeval) = @_;
       delete_package_recurse($safeeval->{Root});
   }
   
   sub delete_package_recurse {
        my ($package) = @_;
        my @subp;
        {
    no strict 'refs';
    while (my ($key,$val) = each(%{*{"$package\::"}})) {
        if (!defined($val)) { next; }
        local (*ENTRY) = $val;
        if (defined *ENTRY{HASH} && $key =~ /::$/ &&
    $key ne "main::" && $key ne "<none>::")
        {
    my ($p) = $package ne "main" ? "$package\::" : "";
    ($p .= $key) =~ s/::$//;
    push(@subp,$p);
        }
    }
        }
        foreach my $p (@subp) {
    delete_package_recurse($p);
        }
        Symbol::delete_package($package);
   }
   
 sub initialize_rndseed {  sub initialize_rndseed {
     my ($safeeval)=@_;      my ($safeeval)=@_;
     my $rndseed;      my $rndseed;
Line 1405  ENDNOTFOUND Line 1458  ENDNOTFOUND
     undef($Apache::lonhomework::parsing_a_task);      undef($Apache::lonhomework::parsing_a_task);
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
     ['rawmode']);      ['rawmode']);
     if ($env{'rawmode'}) { $result = $filecontents; }      if ($env{'form.rawmode'}) { $result = $filecontents; }
  }   }
     }      }
           
Removed from v.1.391  
changed lines
  Added in v.1.397

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