Diff for /loncom/xml/lonxml.pm between versions 1.412 and 1.433

version 1.412, 2006/05/15 22:30:10 version 1.433, 2006/12/20 22:51:27
Line 88  use Apache::loncommon(); Line 88  use Apache::loncommon();
 use Apache::lonfeedback();  use Apache::lonfeedback();
 use Apache::lonmsg();  use Apache::lonmsg();
 use Apache::loncacc();  use Apache::loncacc();
   use Apache::lonmaxima();
 use Apache::lonlocal;  use Apache::lonlocal;
   
 #==================================================   Main subroutine: xmlparse    #==================================================   Main subroutine: xmlparse  
Line 251  sub printtokenheader { Line 252  sub printtokenheader {
     my ($target,$token,$tsymb,$tcrsid,$tudom,$tuname)=@_;      my ($target,$token,$tsymb,$tcrsid,$tudom,$tuname)=@_;
     unless ($token) { return ''; }      unless ($token) { return ''; }
   
     my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();      my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
     unless ($tsymb) {      unless ($tsymb) {
  $tsymb=$symb;   $tsymb=$symb;
     }      }
Line 342  sub xmlparse { Line 343  sub xmlparse {
  my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars,   my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars,
    $safeeval,\%style_for_target,1);     $safeeval,\%style_for_target,1);
   
    if (@stack) {
        &warning("At end of file some tags were still left unclosed, ".
         '<tt>&lt;'.join('&gt;</tt>, <tt>&lt;',reverse(@stack)).
         '&gt;</tt>');
    }
  if ($env{'request.uri'}) {   if ($env{'request.uri'}) {
     &writeallows($env{'request.uri'});      &writeallows($env{'request.uri'});
  }   }
Line 366  sub latex_special_symbols { Line 372  sub latex_special_symbols {
  return $string;   return $string;
     }      }
     if ($where eq 'header') {      if ($where eq 'header') {
  $string =~ s/(\\|_|\^)/ /g;   $string =~ s/\\/\$\\backslash\$/g; # \  -> $\backslash$ per LaTex line by line pg  10.
  $string =~ s/(\$|%|\{|\})/\\$1/g;   $string =~ s/(\$|%|\{|\})/\\$1/g;
  $string =~ s/_/ /g;  
  $string=&Apache::lonprintout::character_chart($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;
    $string =~ s/_/\\_/g;              # _ -> \_
    $string =~ s/\^/\\\^{}/g;          # ^ -> \^{} 
     } else {      } else {
  $string=~s/\\/\\ensuremath{\\backslash}/g;   $string=~s/\\/\\ensuremath{\\backslash}/g;
  $string=~s/\\\%|\%/\\\%/g;   $string=~s/\\\%|\%/\\\%/g;
Line 668  sub init_safespace { Line 675  sub init_safespace {
   '&chem_standard_order');    '&chem_standard_order');
   $safehole->wrap(\&Apache::response::check_status,$safeeval,'&check_status');    $safehole->wrap(\&Apache::response::check_status,$safeeval,'&check_status');
   
     $safehole->wrap(\&Apache::lonmaxima::maxima_eval,$safeeval,'&maxima_eval');
     $safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check');
     $safehole->wrap(\&Apache::lonmaxima::maxima_cas_formula_fix,$safeeval,
     '&maxima_cas_formula_fix');
   
     $safehole->wrap(\&Apache::caparesponse::capa_formula_fix,$safeeval,
     '&capa_formula_fix');
   
   $safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin');    $safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin');
   $safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos');    $safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos');
   $safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan');    $safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan');
Line 771  sub init_safespace { Line 786  sub init_safespace {
   $safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed');    $safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed');
   $safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR');    $safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR');
   $safehole->wrap(\&Apache::lonxml::debug,$safeeval,'&LONCAPA_INTERNAL_DEBUG');    $safehole->wrap(\&Apache::lonxml::debug,$safeeval,'&LONCAPA_INTERNAL_DEBUG');
     $safehole->wrap(\&Apache::lonnet::logthis,$safeeval,'&LONCAPA_INTERNAL_LOGTHIS');
     $safehole->wrap(\&Apache::inputtags::finalizeawards,$safeeval,'&LONCAPA_INTERNAL_FINALIZEAWARDS');
   $safehole->wrap(\&Apache::caparesponse::get_sigrange,$safeeval,'&LONCAPA_INTERNAL_get_sigrange');    $safehole->wrap(\&Apache::caparesponse::get_sigrange,$safeeval,'&LONCAPA_INTERNAL_get_sigrange');
   #  use Data::Dumper;
   #  $safehole->wrap(\&Data::Dumper::Dumper,$safeeval,'&LONCAPA_INTERNAL_Dumper');
 #need to inspect this class of ops  #need to inspect this class of ops
 # $safeeval->deny(":base_orig");  # $safeeval->deny(":base_orig");
   $safeeval->permit("require");    $safeeval->permit("require");
Line 812  sub delete_package_recurse { Line 830  sub delete_package_recurse {
 sub initialize_rndseed {  sub initialize_rndseed {
     my ($safeeval)=@_;      my ($safeeval)=@_;
     my $rndseed;      my $rndseed;
     my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();      my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
     $rndseed=&Apache::lonnet::rndseed($symb,$courseid,$domain,$name);      $rndseed=&Apache::lonnet::rndseed($symb,$courseid,$domain,$name);
     my $safeinit = '$external::randomseed="'.$rndseed.'";';      my $safeinit = '$external::randomseed="'.$rndseed.'";';
     &Apache::lonxml::debug("Setting rndseed to $rndseed");      &Apache::lonxml::debug("Setting rndseed to $rndseed");
Line 1013  sub store_counter { Line 1031  sub store_counter {
     }      }
   
     sub remember_problem_counter {      sub remember_problem_counter {
  &Apache::lonnet::transfer_profile_to_env();   &Apache::lonnet::transfer_profile_to_env(undef,undef,1);
  $state = $env{'form.counter'};   $state = $env{'form.counter'};
     }      }
   
Line 1024  sub store_counter { Line 1042  sub store_counter {
     }      }
     sub get_problem_counter {      sub get_problem_counter {
  if ($Apache::lonxml::counter_changed) { &store_counter() }   if ($Apache::lonxml::counter_changed) { &store_counter() }
  &Apache::lonnet::transfer_profile_to_env();   &Apache::lonnet::transfer_profile_to_env(undef,undef,1);
  return $env{'form.counter'};   return $env{'form.counter'};
     }      }
 }  }
Line 1148  sub newparser { Line 1166  sub newparser {
 }  }
   
 sub parstring {  sub parstring {
   my ($token) = @_;      my ($token) = @_;
   my $temp='';      my (@vars,@values);
   foreach (@{$token->[3]}) {      foreach my $attr (@{$token->[3]}) {
     unless ($_=~/\W/) {   if ($attr!~/\W/) {
       my $val=$token->[2]->{$_};      my $val=$token->[2]->{$attr};
       $val =~ s/([\%\@\\\"\'])/\\$1/g;      $val =~ s/([\%\@\\\"\'])/\\$1/g;
       $val =~ s/(\$[^{a-zA-Z_])/\\$1/g;      $val =~ s/(\$[^\{a-zA-Z_])/\\$1/g;
       $val =~ s/(\$)$/\\$1/;      $val =~ s/(\$)$/\\$1/;
       #if ($val =~ m/^[\%\@]/) { $val="\\".$val; }      #if ($val =~ m/^[\%\@]/) { $val="\\".$val; }
       $temp .= "my \$$_=\"$val\";";      push(@vars,"\$$attr");
     }      push(@values,"\"$val\"");
   }   }
   return $temp;      }
       my $var_init = 
    (@vars) ? 'my ('.join(',',@vars).') = ('.join(',',@values).');'
           : '';
       return $var_init;
 }  }
   
 sub extlink {  sub extlink {
Line 1319  FULLPAGE Line 1341  FULLPAGE
       my $cleanbut = '';        my $cleanbut = '';
   
       my $titledisplay=&display_title();        my $titledisplay=&display_title();
       my %lt=&Apache::lonlocal::texthash('st' => 'Save this',        my %lt=&Apache::lonlocal::texthash('st' => 'Save and Edit',
  'vi' => 'View',   'vi' => 'Save and View',
    'dv' => 'Discard Edits and View',
    'un' => 'undo',
  'ed' => 'Edit');   'ed' => 'Edit');
       my $buttons=(<<BUTTONS);        my $buttons=(<<BUTTONS);
 $cleanbut  $cleanbut
   <input type="submit" name="discardview" accesskey="d"  value="$lt{'dv'}" />
   <input type="submit" name="Undo" accesskey="u"  value="$lt{'un'}" /><hr>
 <input type="submit" name="savethisfile" accesskey="s"  value="$lt{'st'}" />  <input type="submit" name="savethisfile" accesskey="s"  value="$lt{'st'}" />
 <input type="submit" name="viewmode" accesskey="v" value="$lt{'vi'}" />  <input type="submit" name="viewmode" accesskey="v" value="$lt{'vi'}" />
 BUTTONS  BUTTONS
       $buttons.=&Apache::lonhtmlcommon::spelllink('xmledit','filecont');        $buttons.=&Apache::lonhtmlcommon::spelllink('xmledit','filecont');
       $buttons.=&Apache::lonhtmlcommon::htmlareaselectactive('filecont');  
       my $editfooter=(<<ENDFOOTER);        my $editfooter=(<<ENDFOOTER);
 $initialize  $initialize
 <hr />  <hr />
Line 1404  sub handler { Line 1429  sub handler {
 #  #
 # Edit action? Save file.  # Edit action? Save file.
 #  #
     unless ($env{'request.state'} eq 'published') {      if (!($env{'request.state'} eq 'published')) {
  if ($env{'form.savethisfile'}) {   if ($env{'form.savethisfile'} || $env{'form.viewmode'} || $env{'form.Undo'}) {
     if (&storefile($file,$env{'form.filecont'})) {      my $html_file=&Apache::lonnet::getfile($file);
  &Apache::lonxml::info("<font COLOR=\"#0000FF\">".      my $error = &Apache::lonhomework::handle_save_or_undo($request, \$html_file, \$env{'form.filecont'});
       &mt('Updated').": ".  
       &Apache::lonlocal::locallocaltime(time).  
       " </font>");  
     }   
  }   }
     }      }
     my %mystyle;      my %mystyle;
Line 1445  ENDNOTFOUND Line 1466  ENDNOTFOUND
             &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},              &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
     ['editmode']);      ['editmode']);
  }   }
  if (!$env{'form.editmode'} || $env{'form.viewmode'}) {   &Apache::lonnet::logthis("edit mode is ".$env{'form.editmode'});
    if (!$env{'form.editmode'} || $env{'form.viewmode'} || $env{'form.discardview'}) {
     $result = &Apache::lonxml::xmlparse($request,$target,$filecontents,      $result = &Apache::lonxml::xmlparse($request,$target,$filecontents,
  '',%mystyle);   '',%mystyle);
     undef($Apache::lonhomework::parsing_a_task);      undef($Apache::lonhomework::parsing_a_task);
Line 1459  ENDNOTFOUND Line 1481  ENDNOTFOUND
 # Edit action? Insert editing commands  # Edit action? Insert editing commands
 #  #
     unless ($env{'request.state'} eq 'published') {      unless ($env{'request.state'} eq 'published') {
  if ($env{'form.editmode'} && (!($env{'form.viewmode'}))) {   if ($env{'form.editmode'} && (!($env{'form.viewmode'})) && (!($env{'form.discardview'})))
       {
     my $displayfile=$request->uri;      my $displayfile=$request->uri;
     $displayfile=~s/^\/[^\/]*//;      $displayfile=~s/^\/[^\/]*//;
     my %options = ();      my %options = ();
Line 1539  sub error { Line 1562  sub error {
     #public or browsers      #public or browsers
     $errormsg=&mt("An error occured while processing this resource. The author has been notified.");      $errormsg=&mt("An error occured while processing this resource. The author has been notified.");
  }   }
  my $msg = join('<br />',@_);   my $host=$Apache::lonnet::perlvar{'lonHostID'};
    my $msg = join('<br />',(@_,"The error occurred on host <tt>$host</tt>"));
  #notify author   #notify author
  &Apache::lonmsg::author_res_msg($env{'request.filename'},$msg);   &Apache::lonmsg::author_res_msg($env{'request.filename'},$msg);
  #notify course   #notify course
Line 1622  sub get_param { Line 1646  sub get_param {
     }      }
     if ( ! $args ) { return undef; }      if ( ! $args ) { return undef; }
     if ( $case_insensitive ) {      if ( $case_insensitive ) {
  if ($args =~ s/(my \$)(\Q$param\E)(=\")/$1.lc($2).$3/ei) {   if ($args =~ s/(my (?:.*))(\$\Q$param\E[,\)])/$1.lc($2)/ei) {
     return &Apache::run::run("{$args;".'return $'.$param.'}',      return &Apache::run::run("{$args;".'return $'.$param.'}',
                                      $safeeval); #'                                       $safeeval); #'
  } else {   } else {
     return undef;      return undef;
  }   }
     } else {      } else {
  if ( $args =~ /my \$\Q$param\E=\"/ ) {   if ( $args =~ /my .*\$\Q$param\E[,\)]/ ) {
     return &Apache::run::run("{$args;".'return $'.$param.'}',      return &Apache::run::run("{$args;".'return $'.$param.'}',
                                      $safeeval); #'                                       $safeeval); #'
  } else {   } else {
Line 1648  sub get_param_var { Line 1672  sub get_param_var {
   }    }
   &Apache::lonxml::debug("Args are $args param is $param");    &Apache::lonxml::debug("Args are $args param is $param");
   if ($case_insensitive) {    if ($case_insensitive) {
       if (! ($args=~s/(my \$)(\Q$param\E)(=\")/$1.lc($2).$3/ei)) {        if (! ($args=~s/(my (?:.*))(\$\Q$param\E[,\)])/$1.lc($2)/ei)) {
   return undef;    return undef;
       }        }
   } elsif ( $args !~ /my \$\Q$param\E=\"/ ) { return undef; }    } elsif ( $args !~ /my .*\$\Q$param\E[,\)]/ ) { return undef; }
   my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #'    my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #'
   &Apache::lonxml::debug("first run is $value");    &Apache::lonxml::debug("first run is $value");
   if ($value =~ /^[\$\@\%][a-zA-Z_]\w*$/) {    if ($value =~ /^[\$\@\%][a-zA-Z_]\w*$/) {
Line 1734  sub helpinfo { Line 1758  sub helpinfo {
   return ($insertlist{$tagnum.'.helpfile'}, $insertlist{$tagnum.'.helpdesc'});    return ($insertlist{$tagnum.'.helpfile'}, $insertlist{$tagnum.'.helpdesc'});
 }  }
   
 # ----------------------------------------------------------------- whichuser  
 # returns a list of $symb, $courseid, $domain, $name that is correct for  
 # calls to lonnet functions for this setup.  
 # - looks for form.grade_ parameters  
 sub whichuser {  
   my ($passedsymb)=@_;  
   my ($symb,$courseid,$domain,$name,$publicuser);  
   if (defined($env{'form.grade_symb'})) {  
       my ($tmp_courseid)=  
   &Apache::loncommon::get_env_multiple('form.grade_courseid');  
       my $allowed=&Apache::lonnet::allowed('vgr',$tmp_courseid);  
       if (!$allowed &&   
   exists($env{'request.course.sec'}) &&   
   $env{'request.course.sec'} !~ /^\s*$/) {  
   $allowed=&Apache::lonnet::allowed('vgr',$tmp_courseid.  
     '/'.$env{'request.course.sec'});  
       }  
       if ($allowed) {  
   ($symb)=&Apache::loncommon::get_env_multiple('form.grade_symb');  
   $courseid=$tmp_courseid;  
   ($domain)=&Apache::loncommon::get_env_multiple('form.grade_domain');  
   ($name)=&Apache::loncommon::get_env_multiple('form.grade_username');  
   return ($symb,$courseid,$domain,$name,$publicuser);  
       }  
   }  
   if (!$passedsymb) {  
       $symb=&Apache::lonnet::symbread();  
   } else {  
       $symb=$passedsymb;  
   }  
   $courseid=$env{'request.course.id'};  
   $domain=$env{'user.domain'};  
   $name=$env{'user.name'};  
   if ($name eq 'public' && $domain eq 'public') {  
       if (!defined($env{'form.username'})) {  
   $env{'form.username'}.=time.rand(10000000);  
       }  
       $name.=$env{'form.username'};  
   }  
   return ($symb,$courseid,$domain,$name,$publicuser);  
 }  
   
 1;  1;
 __END__  __END__
   

Removed from v.1.412  
changed lines
  Added in v.1.433


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