--- loncom/xml/lonxml.pm 2004/05/27 04:25:13 1.319
+++ loncom/xml/lonxml.pm 2008/04/28 14:38:45 1.476
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# XML Parser Module
#
-# $Id: lonxml.pm,v 1.319 2004/05/27 04:25:13 albertel Exp $
+# $Id: lonxml.pm,v 1.476 2008/04/28 14:38:45 bisitz Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -42,6 +42,7 @@ package Apache::lonxml;
use vars
qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $errorcount $warningcount);
use strict;
+use LONCAPA;
use HTML::LCParser();
use HTML::TreeBuilder();
use HTML::Entities();
@@ -51,7 +52,8 @@ use Math::Cephes();
use Math::Random();
use Opcode();
use POSIX qw(strftime);
-
+use Time::HiRes qw( gettimeofday tv_interval );
+use Symbol();
sub register {
my ($space,@taglist) = @_;
@@ -81,16 +83,19 @@ use Apache::languagetags();
use Apache::edit();
use Apache::inputtags();
use Apache::outputtags();
-use Apache::lonnet();
+use Apache::lonnet;
use Apache::File();
use Apache::loncommon();
use Apache::lonfeedback();
use Apache::lonmsg();
use Apache::loncacc();
+use Apache::lonmaxima();
use Apache::lonlocal;
-#================================================== Main subroutine: xmlparse
+#==================================== Main subroutine: xmlparse
+
#debugging control, to turn on debugging modify the correct handler
+
$Apache::lonxml::debug=0;
# keeps count of the number of warnings and errors generated in a parse
@@ -122,8 +127,8 @@ $evaluate = 1;
# stores the list of active tag namespaces
@namespace=();
-# has the dynamic menu been updated to know about this resource
-$Apache::lonxml::registered=0;
+# stores all Scrit Vars displays for later showing
+my @script_var_displays=();
# a pointer the the Apache request object
$Apache::lonxml::request='';
@@ -132,6 +137,16 @@ $Apache::lonxml::request='';
$Apache::lonxml::counter=1;
$Apache::lonxml::counter_changed=0;
+# Part counter hash. In analysis mode, the
+# problems can use this to record which parts increment the counter
+# by how much. The counter subs will maintain this hash via
+# their optional part parameters. Note that the assumption is that
+# analysis is done in one request and therefore it is not necessary to
+# save this information request-to-request.
+
+
+%Apache::lonxml::counters_per_part = ();
+
#internal check on whether to look at style defs
$Apache::lonxml::usestyle=1;
@@ -148,29 +163,42 @@ $Apache::lonxml::post_evaluate=1;
#a header message to emit in the case of any generated warning or errors
$Apache::lonxml::warnings_error_header='';
-sub xmlbegin {
- my $output='';
- if ($ENV{'browser.mathml'}) {
- $output=''
- .''
- .']>'
- .'';
- } else {
- $output='';
- }
- return $output;
+# Control whether or not LaTeX symbols should be substituted for their
+# \ style equivalents...this may be turned off e.g. in an verbatim
+# environment.
+
+$Apache::lonxml::substitute_LaTeX_symbols = 1; # Starts out on.
+
+sub enable_LaTeX_substitutions {
+ $Apache::lonxml::substitute_LaTeX_symbols = 1;
+}
+sub disable_LaTeX_substitutions {
+ $Apache::lonxml::substitute_LaTeX_symbols = 0;
}
sub xmlend {
+ my ($target,$parser)=@_;
my $mode='xml';
my $status='OPEN';
- if ($Apache::lonhomework::parsing_a_problem) {
+ if ($Apache::lonhomework::parsing_a_problem ||
+ $Apache::lonhomework::parsing_a_task ) {
$mode='problem';
$status=$Apache::inputtags::status[-1];
}
- return &Apache::lonfeedback::list_discussion($mode,$status).'';
+ my $discussion;
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['LONCAPA_INTERNAL_no_discussion']);
+ if (! exists($env{'form.LONCAPA_INTERNAL_no_discussion'}) ||
+ $env{'form.LONCAPA_INTERNAL_no_discussion'} ne 'true') {
+ $discussion=&Apache::lonfeedback::list_discussion($mode,$status);
+ }
+ if ($target eq 'tex') {
+ $discussion.='\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\end{document}';
+ &Apache::lonxml::newparser($parser,\$discussion,'');
+ return '';
+ }
+
+ return $discussion;
}
sub tokeninputfield {
@@ -228,9 +256,9 @@ sub maketoken {
$symb=&Apache::lonnet::symbread();
}
unless ($tuname) {
- $tuname=$ENV{'user.name'};
- $tudom=$ENV{'user.domain'};
- $tcrsid=$ENV{'request.course.id'};
+ $tuname=$env{'user.name'};
+ $tudom=$env{'user.domain'};
+ $tcrsid=$env{'request.course.id'};
}
return &Apache::lonnet::checkout($symb,$tuname,$tudom,$tcrsid);
@@ -240,7 +268,7 @@ sub printtokenheader {
my ($target,$token,$tsymb,$tcrsid,$tudom,$tuname)=@_;
unless ($token) { return ''; }
- my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
+ my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
unless ($tsymb) {
$tsymb=$symb;
}
@@ -250,13 +278,7 @@ sub printtokenheader {
$tcrsid=$courseid;
}
- my %reply=&Apache::lonnet::get('environment',
- ['firstname','middlename','lastname','generation'],
- $tudom,$tuname);
- my $plainname=$reply{'firstname'}.' '.
- $reply{'middlename'}.' '.
- $reply{'lastname'}.' '.
- $reply{'generation'};
+ my $plainname=&Apache::loncommon::plainname($tuname,$tudom);
if ($target eq 'web') {
my %idhash=&Apache::lonnet::idrget($tudom,($tuname));
@@ -266,7 +288,7 @@ sub printtokenheader {
'
'.&mt('User').': '.$tuname.' at '.$tudom.
'
'.&mt('ID').': '.$idhash{$tuname}.
'
'.&mt('CourseID').': '.$tcrsid.
- '
'.&mt('Course').': '.$ENV{'course.'.$tcrsid.'.description'}.
+ '
'.&mt('Course').': '.$env{'course.'.$tcrsid.'.description'}.
'
'.&mt('DocID').': '.$token.
'
'.&mt('Time').': '.&Apache::lonlocal::locallocaltime().'
';
} else {
@@ -274,18 +296,6 @@ sub printtokenheader {
}
}
-sub fontsettings() {
- my $headerstring='';
- if (($ENV{'browser.os'} eq 'mac') && (!$ENV{'browser.mathml'})) {
- $headerstring.=
- '';
- } elsif (!$ENV{'browser.mathml'} && $ENV{'browser.unicode'}) {
- $headerstring.=
- '';
- }
- return $headerstring;
-}
-
sub printalltags {
my $temp;
foreach $temp (sort keys %Apache::lonxml::alltags) {
@@ -299,6 +309,7 @@ sub xmlparse {
&setup_globals($request,$target);
&Apache::inputtags::initialize_inputtags();
+ &Apache::bridgetask::initialize_bridgetask();
&Apache::outputtags::initialize_outputtags();
&Apache::edit::initialize_edit();
&Apache::londefdef::initialize_londefdef();
@@ -307,28 +318,31 @@ sub xmlparse {
# do we have a course style file?
#
- if ($ENV{'request.course.id'} && $ENV{'request.state'} ne 'construct') {
+ if ($env{'request.course.id'} && $env{'request.state'} ne 'construct') {
my $bodytext=
- $ENV{'course.'.$ENV{'request.course.id'}.'.default_xml_style'};
+ $env{'course.'.$env{'request.course.id'}.'.default_xml_style'};
if ($bodytext) {
- my $location=&Apache::lonnet::filelocation('',$bodytext);
- my $styletext=&Apache::lonnet::getfile($location);
- if ($styletext ne '-1') {
- %style_for_target = (%style_for_target,
- &Apache::style::styleparser($target,$styletext));
- }
- }
- } elsif ($ENV{'construct.style'} && ($ENV{'request.state'} eq 'construct')) {
- my $location=&Apache::lonnet::filelocation('',$ENV{'construct.style'});
+ foreach my $file (split(',',$bodytext)) {
+ my $location=&Apache::lonnet::filelocation('',$file);
+ my $styletext=&Apache::lonnet::getfile($location);
+ if ($styletext ne '-1') {
+ %style_for_target = (%style_for_target,
+ &Apache::style::styleparser($target,$styletext));
+ }
+ }
+ }
+ } elsif ($env{'construct.style'}
+ && ($env{'request.state'} eq 'construct')) {
+ my $location=&Apache::lonnet::filelocation('',$env{'construct.style'});
my $styletext=&Apache::lonnet::getfile($location);
- if ($styletext ne '-1') {
- %style_for_target = (%style_for_target,
- &Apache::style::styleparser($target,$styletext));
- }
+ if ($styletext ne '-1') {
+ %style_for_target = (%style_for_target,
+ &Apache::style::styleparser($target,$styletext));
+ }
}
#&printalltags();
my @pars = ();
- my $pwd=$ENV{'request.filename'};
+ my $pwd=$env{'request.filename'};
$pwd =~ s:/[^/]*$::;
&newparser(\@pars,\$content_file_string,$pwd);
@@ -341,73 +355,84 @@ sub xmlparse {
my @stack = ();
my @parstack = ();
- &initdepth;
-
+ &initdepth();
+ &init_alarm();
my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars,
- $safeeval,\%style_for_target);
+ $safeeval,\%style_for_target,1);
- if ($ENV{'request.uri'}) {
- &writeallows($ENV{'request.uri'});
+ if (@stack) {
+ &warning("At end of file some tags were still left unclosed, ".
+ '<'.join('>, <',reverse(@stack)).
+ '>');
+ }
+ if ($env{'request.uri'}) {
+ &writeallows($env{'request.uri'});
}
&do_registered_ssi();
if ($Apache::lonxml::counter_changed) { &store_counter() }
- return $finaloutput;
-}
-sub htmlclean {
- my ($raw,$full)=@_;
+ &clean_safespace($safeeval);
- my $tree = HTML::TreeBuilder->new;
- $tree->ignore_unknown(0);
-
- $tree->parse($raw);
-
- my $output= $tree->as_HTML(undef,' ');
-
- $output=~s/\<(br|hr|img|meta|allow)(.*?)\>/\<$1$2 \/\>/gis;
- $output=~s/\<\/(br|hr|img|meta|allow)\>//gis;
- unless ($full) {
- $output=~s/\<[\/]*(body|head|html)\>//gis;
- }
-
- $tree = $tree->delete;
-
- return $output;
+ if (@script_var_displays) {
+ $finaloutput .= join('',@script_var_displays);
+ undef(@script_var_displays);
+ }
+ &init_state();
+ if ($env{'form.return_only_error_and_warning_counts'}) {
+ if ($env{'request.filename'}=~/\.(html|htm|xml)$/i) {
+ my $error=&verify_html($content_file_string);
+ if ($error) { $errorcount++; }
+ }
+ return "$errorcount:$warningcount";
+ }
+ return $finaloutput;
}
sub latex_special_symbols {
my ($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') {
- $string =~ s/(\\|_|\^)/ /g;
+ $string =~ s/\\/\$\\backslash\$/g; # \ -> $\backslash$ per LaTex line by line pg 10.
$string =~ s/(\$|%|\{|\})/\\$1/g;
- $string =~ s/_/ /g;
$string=&Apache::lonprintout::character_chart($string);
# any & or # leftover should be safe to just escape
$string=~s/([^\\])\&/$1\\\&/g;
$string=~s/([^\\])\#/$1\\\#/g;
+ $string =~ s/_/\\_/g; # _ -> \_
+ $string =~ s/\^/\\\^{}/g; # ^ -> \^{}
} else {
$string=~s/\\/\\ensuremath{\\backslash}/g;
- $string=~s/([^\\]|^)\%/$1\\\%/g;
- $string=~s/([^\\]|^)(\$|_)/$1\\$2/g;
- $string=~s/\$\$/\$\\\$/g;
- $string=~s/\#\#/\#\\\#/g;
+ $string=~s/\\\%|\%/\\\%/g;
+ $string=~s/\\{|{/\\{/g;
+ $string=~s/\\}|}/\\}/g;
+ $string=~s/\\ensuremath\\{\\backslash\\}/\\ensuremath{\\backslash}/g;
+ $string=~s/\\\$|\$/\\\$/g;
+ $string=~s/\\\_|\_/\\\_/g;
$string=~s/([^\\]|^)(\~|\^)/$1\\$2\\strut /g;
$string=~s/(>|<)/\\ensuremath\{$1\}/g; #more or less
$string=&Apache::lonprintout::character_chart($string);
# any & or # leftover should be safe to just escape
- $string=~s/([^\\]|^)\&/$1\\\&/g;
- $string=~s/([^\\]|^)\#/$1\\\#/g;
+ $string=~s/\\\&|\&/\\\&/g;
+ $string=~s/\\\#|\#/\\\#/g;
+ $string=~s/\|/\$\\mid\$/g;
#single { or } How to escape?
}
return $string;
}
sub inner_xmlparse {
- my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target)=@_;
+ my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target,$start)=@_;
my $finaloutput = '';
my $result;
my $token;
my $dontpop=0;
+ my $startredirection = $Apache::lonxml::redirection;
while ( $#$pars > -1 ) {
while ($token = $$pars['-1']->get_token) {
if (($token->[0] eq 'T') || ($token->[0] eq 'C') ) {
@@ -517,7 +542,12 @@ sub inner_xmlparse {
# $finaloutput.=&endredirection;
# }
-
+ if ( $start && $target eq 'grade') { &endredirection(); }
+ if ( $Apache::lonxml::redirection > $startredirection) {
+ while ($Apache::lonxml::redirection > $startredirection) {
+ $finaloutput .= &endredirection();
+ }
+ }
if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) {
$finaloutput=&afterburn($finaloutput);
}
@@ -546,7 +576,6 @@ sub callsub {
}
my $deleted=0;
- $Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter);
if (($token->[0] eq 'S') && ($target eq 'modified')) {
$deleted=&Apache::edit::handle_delete($space,$target,$token,$tagstack,
$parstack,$parser,$safeeval,
@@ -582,17 +611,23 @@ sub callsub {
} elsif ($token->[0] eq 'E') {
$currentstring = &Apache::edit::tag_end($target,$token);
}
- } elsif ($target eq 'modified') {
+ }
+ }
+ if ($target eq 'modified' && $nodefault eq '') {
+ if ($currentstring eq '') {
+ if ($token->[0] eq 'S') {
+ $currentstring = $token->[4];
+ } elsif ($token->[0] eq 'E') {
+ $currentstring = $token->[2];
+ } else {
+ $currentstring = $token->[2];
+ }
+ }
if ($token->[0] eq 'S') {
- $currentstring = $token->[4];
- $currentstring.=&Apache::edit::handle_insert();
+ $currentstring.=&Apache::edit::handle_insert();
} elsif ($token->[0] eq 'E') {
- $currentstring = $token->[2];
- $currentstring.=&Apache::edit::handle_insertafter($token->[1]);
- } else {
- $currentstring = $token->[2];
+ $currentstring.=&Apache::edit::handle_insertafter($token->[1]);
}
- }
}
}
use strict 'refs';
@@ -600,20 +635,42 @@ sub callsub {
return $currentstring;
}
+{
+ my %state;
+
+ sub init_state {
+ undef(%state);
+ }
+
+ sub set_state {
+ my ($key,$value) = @_;
+ $state{$key} = $value;
+ return $value;
+ }
+ sub get_state {
+ my ($key) = @_;
+ return $state{$key};
+ }
+}
+
sub setup_globals {
my ($request,$target)=@_;
$Apache::lonxml::request=$request;
- $Apache::lonxml::registered = 0;
$errorcount=0;
$warningcount=0;
$Apache::lonxml::default_homework_loaded=0;
$Apache::lonxml::usestyle=1;
&init_counter();
+ &clear_bubble_lines_for_part();
+ &init_state();
+ &set_state('target',$target);
@Apache::lonxml::pwd=();
@Apache::lonxml::extlinks=();
+ @script_var_displays=();
@Apache::lonxml::ssi_info=();
$Apache::lonxml::post_evaluate=1;
$Apache::lonxml::warnings_error_header='';
+ $Apache::lonxml::substitute_LaTeX_symbols = 1;
if ($target eq 'meta') {
$Apache::lonxml::redirection = 0;
$Apache::lonxml::metamode = 1;
@@ -625,7 +682,7 @@ sub setup_globals {
$Apache::lonxml::evaluate = 1;
$Apache::lonxml::import = 1;
} elsif ($target eq 'grade') {
- &startredirection;
+ &startredirection(); #ended in inner_xmlparse on exit
$Apache::lonxml::metamode = 0;
$Apache::lonxml::evaluate = 1;
$Apache::lonxml::import = 1;
@@ -654,15 +711,32 @@ sub setup_globals {
sub init_safespace {
my ($target,$safeeval,$safehole,$safeinit) = @_;
+ $safeeval->deny_only(':dangerous');
+ $safeeval->reval('use Math::Complex;');
+ $safeeval->permit_only(":default");
$safeeval->permit("entereval");
$safeeval->permit(":base_math");
$safeeval->permit("sort");
$safeeval->permit("time");
+ $safeeval->deny("rand");
+ $safeeval->deny("srand");
$safeeval->deny(":base_io");
$safehole->wrap(\&Apache::scripttag::xmlparse,$safeeval,'&xmlparse');
$safehole->wrap(\&Apache::outputtags::multipart,$safeeval,'&multipart');
$safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT');
-
+ $safehole->wrap(\&Apache::chemresponse::chem_standard_order,$safeeval,
+ '&chem_standard_order');
+ $safehole->wrap(\&Apache::response::check_status,$safeeval,'&check_status');
+ $safehole->wrap(\&Apache::response::implicit_multiplication,$safeeval,'&implicit_multiplication');
+
+ $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::acos,$safeeval,'&acos');
$safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan');
@@ -706,6 +780,36 @@ sub init_safespace {
$safehole->wrap(\&Math::Cephes::stdtr ,$safeeval,'&stdtr' );
$safehole->wrap(\&Math::Cephes::stdtri,$safeeval,'&stdtri');
+ $safehole->wrap(\&Math::Cephes::Matrix::mat,$safeeval,'&mat');
+ $safehole->wrap(\&Math::Cephes::Matrix::new,$safeeval,
+ '&Math::Cephes::Matrix::new');
+ $safehole->wrap(\&Math::Cephes::Matrix::coef,$safeeval,
+ '&Math::Cephes::Matrix::coef');
+ $safehole->wrap(\&Math::Cephes::Matrix::clr,$safeeval,
+ '&Math::Cephes::Matrix::clr');
+ $safehole->wrap(\&Math::Cephes::Matrix::add,$safeeval,
+ '&Math::Cephes::Matrix::add');
+ $safehole->wrap(\&Math::Cephes::Matrix::sub,$safeeval,
+ '&Math::Cephes::Matrix::sub');
+ $safehole->wrap(\&Math::Cephes::Matrix::mul,$safeeval,
+ '&Math::Cephes::Matrix::mul');
+ $safehole->wrap(\&Math::Cephes::Matrix::div,$safeeval,
+ '&Math::Cephes::Matrix::div');
+ $safehole->wrap(\&Math::Cephes::Matrix::inv,$safeeval,
+ '&Math::Cephes::Matrix::inv');
+ $safehole->wrap(\&Math::Cephes::Matrix::transp,$safeeval,
+ '&Math::Cephes::Matrix::transp');
+ $safehole->wrap(\&Math::Cephes::Matrix::simq,$safeeval,
+ '&Math::Cephes::Matrix::simq');
+ $safehole->wrap(\&Math::Cephes::Matrix::mat_to_vec,$safeeval,
+ '&Math::Cephes::Matrix::mat_to_vec');
+ $safehole->wrap(\&Math::Cephes::Matrix::vec_to_mat,$safeeval,
+ '&Math::Cephes::Matrix::vec_to_mat');
+ $safehole->wrap(\&Math::Cephes::Matrix::check,$safeeval,
+ '&Math::Cephes::Matrix::check');
+ $safehole->wrap(\&Math::Cephes::Matrix::check,$safeeval,
+ '&Math::Cephes::Matrix::check');
+
# $safehole->wrap(\&Math::Cephes::new_fract,$safeeval,'&new_fract');
# $safehole->wrap(\&Math::Cephes::radd,$safeeval,'&radd');
# $safehole->wrap(\&Math::Cephes::rsub,$safeeval,'&rsub');
@@ -734,40 +838,58 @@ sub init_safespace {
$safehole->wrap(\&Math::Random::random_set_seed_from_phrase,$safeeval,'&random_set_seed_from_phrase');
$safehole->wrap(\&Math::Random::random_get_seed,$safeeval,'&random_get_seed');
$safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed');
+ $safehole->wrap(\&Apache::loncommon::languages,$safeeval,'&languages');
$safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR');
$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');
+# use Data::Dumper;
+# $safehole->wrap(\&Data::Dumper::Dumper,$safeeval,'&LONCAPA_INTERNAL_Dumper');
#need to inspect this class of ops
# $safeeval->deny(":base_orig");
+ $safeeval->permit("require");
$safeinit .= ';$external::target="'.$target.'";';
- my $rndseed;
- my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
- $rndseed=&Apache::lonnet::rndseed($symb,$courseid,$domain,$name);
- $safeinit .= ';$external::randomseed="'.$rndseed.'";';
- &Apache::lonxml::debug("Setting rndseed to $rndseed");
&Apache::run::run($safeinit,$safeeval);
+ &initialize_rndseed($safeeval);
+}
- my $subroutine=<<'EVALUATESUB';
-sub __LC_INTERNAL_EVALUATE__ {
- my ($__LC__a,$__LC__b,$__LC__c)=@_;
- my $__LC__prefix;
- while(1){
- {
- use strict;
- no strict "vars";
- if (eval(defined(eval($__LC__a.$__LC__b)))) {
- return $__LC__prefix.eval($__LC__a.$__LC__b.$__LC__c);
- }
- }
- $__LC__prefix.=substr($__LC__a,0,1,"");
- if ($__LC__a!~/^(\$|&|\#)/) { last; }
- }
- return $__LC__prefix.$__LC__a.$__LC__b.$__LC__c;
+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 "::")
+ {
+ my ($p) = $package ne "main" ? "$package\::" : "";
+ ($p .= $key) =~ s/::$//;
+ push(@subp,$p);
+ }
+ }
+ }
+ foreach my $p (@subp) {
+ delete_package_recurse($p);
+ }
+ Symbol::delete_package($package);
}
-EVALUATESUB
- $safeeval->permit("require");
- $safeeval->reval($subroutine);
- $safeeval->deny("require");
+
+sub initialize_rndseed {
+ my ($safeeval)=@_;
+ my $rndseed;
+ my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
+ $rndseed=&Apache::lonnet::rndseed($symb,$courseid,$domain,$name);
+ my $safeinit = '$external::randomseed="'.$rndseed.'";';
+ &Apache::lonxml::debug("Setting rndseed to $rndseed");
+ &Apache::run::run($safeinit,$safeeval);
}
sub default_homework_load {
@@ -782,18 +904,51 @@ sub default_homework_load {
}
}
+{
+ my $alarm_depth;
+ sub init_alarm {
+ alarm(0);
+ $alarm_depth=0;
+ }
+
+ sub start_alarm {
+ if ($alarm_depth<1) {
+ my $old=alarm($Apache::lonnet::perlvar{'lonScriptTimeout'});
+ if ($old) {
+ &Apache::lonxml::error("Cancelled an alarm of $old, this shouldn't occur.");
+ }
+ }
+ $alarm_depth++;
+ }
+
+ sub end_alarm {
+ $alarm_depth--;
+ if ($alarm_depth<1) { alarm(0); }
+ }
+}
+my $metamode_was;
sub startredirection {
- $Apache::lonxml::redirection++;
- push (@Apache::lonxml::outputstack, '');
+ if (!$Apache::lonxml::redirection) {
+ $metamode_was=$Apache::lonxml::metamode;
+ }
+ $Apache::lonxml::metamode=0;
+ $Apache::lonxml::redirection++;
+ push (@Apache::lonxml::outputstack, '');
}
sub endredirection {
- if (!$Apache::lonxml::redirection) {
- &Apache::lonxml::error("Endredirection was called, before a startredirection, perhaps you have unbalanced tags. Some debuging information:".join ":",caller);
- return '';
- }
- $Apache::lonxml::redirection--;
- pop @Apache::lonxml::outputstack;
+ if (!$Apache::lonxml::redirection) {
+ &Apache::lonxml::error("Endredirection was called before a startredirection, perhaps you have unbalanced tags. Some debugging information:".join ":",caller);
+ return '';
+ }
+ $Apache::lonxml::redirection--;
+ if (!$Apache::lonxml::redirection) {
+ $Apache::lonxml::metamode=$metamode_was;
+ }
+ pop @Apache::lonxml::outputstack;
+}
+sub in_redirection {
+ return ($Apache::lonxml::redirection > 0)
}
sub end_tag {
@@ -805,79 +960,159 @@ sub end_tag {
sub initdepth {
@Apache::lonxml::depthcounter=();
- $Apache::lonxml::depth=-1;
- $Apache::lonxml::olddepth=-1;
+ undef($Apache::lonxml::last_depth_count);
}
+
+my @timers;
+my $lasttime;
+# @Apache::lonxml::depthcounter -> count of tags that exist so
+# far at each level
+# $Apache::lonxml::last_depth_count -> when ascending, need to
+# remember the count for the level below the current level (for
+# example going from 1_2 -> 1 -> 1_3 need to remember the 2 )
+
sub increasedepth {
my ($token) = @_;
- $Apache::lonxml::depth++;
- $Apache::lonxml::depthcounter[$Apache::lonxml::depth]++;
- if ($Apache::lonxml::depthcounter[$Apache::lonxml::depth]==1) {
- $Apache::lonxml::olddepth=$Apache::lonxml::depth;
- }
- my $curdepth=join('_',@Apache::lonxml::depthcounter);
- &Apache::lonxml::debug("s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n");
+ push(@Apache::lonxml::depthcounter,$Apache::lonxml::last_depth_count+1);
+ undef($Apache::lonxml::last_depth_count);
+ my $time;
+ if ($Apache::lonxml::debug eq "1") {
+ push(@timers,[&gettimeofday()]);
+ $time=&tv_interval($lasttime);
+ $lasttime=[&gettimeofday()];
+ }
+ my $spacing=' 'x($#Apache::lonxml::depthcounter);
+ $Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter);
+# &Apache::lonxml::debug("s$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $Apache::lonxml::curdepth : $token->[1] : $time");
#print "
s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n";
}
sub decreasedepth {
my ($token) = @_;
- $Apache::lonxml::depth--;
- if ($Apache::lonxml::depth<$Apache::lonxml::olddepth-1) {
- $#Apache::lonxml::depthcounter--;
- $Apache::lonxml::olddepth=$Apache::lonxml::depth+1;
- }
- if ( $Apache::lonxml::depth < -1) {
- &Apache::lonxml::warning(&mt("Missing tags, unable to properly run file."));
- $Apache::lonxml::depth='-1';
+ if ( $#Apache::lonxml::depthcounter == -1) {
+ &Apache::lonxml::warning(&mt("Missing tags, unable to properly run file."));
}
- my $curdepth=join('_',@Apache::lonxml::depthcounter);
- &Apache::lonxml::debug("e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n");
+ $Apache::lonxml::last_depth_count = pop(@Apache::lonxml::depthcounter);
+
+ my ($timer,$time);
+ if ($Apache::lonxml::debug eq "1") {
+ $timer=pop(@timers);
+ $time=&tv_interval($lasttime);
+ $lasttime=[&gettimeofday()];
+ }
+ my $spacing=' 'x($#Apache::lonxml::depthcounter);
+ $Apache::lonxml::curdepth = join('_',@Apache::lonxml::depthcounter);
+# &Apache::lonxml::debug("e$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $Apache::lonxml::curdepth : $token->[1] : $time : ".&tv_interval($timer));
#print "
e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n";
}
+sub get_id {
+ my ($parstack,$safeeval)=@_;
+ my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
+ if ($env{'request.state'} eq 'construct' && $id =~ /([._]|[^\w\d\s[:punct:]])/) {
+ &error(&mt("ID "[_1]" contains invalid characters, IDs are only allowed to contain letters, numbers, spaces and -",''.$id.''));
+ }
+ if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }
+ return $id;
+}
+
sub get_all_text_unbalanced {
#there is a copy of this in lonpublisher.pm
- my($tag,$pars)= @_;
- my $token;
- my $result='';
- $tag='<'.$tag.'>';
- while ($token = $$pars[-1]->get_token) {
- if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
- $result.=$token->[1];
- } elsif ($token->[0] eq 'PI') {
- $result.=$token->[2];
- } elsif ($token->[0] eq 'S') {
- $result.=$token->[4];
- } elsif ($token->[0] eq 'E') {
- $result.=$token->[2];
- }
- if ($result =~ /(.*)\Q$tag\E(.*)/is) {
- &Apache::lonxml::debug('Got a winner with leftovers ::'.$2);
- &Apache::lonxml::debug('Result is :'.$1);
- $result=$1;
- my $redo=$tag.$2;
- &Apache::lonxml::newparser($pars,\$redo);
- last;
- }
- }
- return $result
+ my($tag,$pars)= @_;
+ my $token;
+ my $result='';
+ $tag='<'.$tag.'>';
+ while ($token = $$pars[-1]->get_token) {
+ if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
+ if ($token->[0] eq 'T' && $token->[2]) {
+ $result.='[1].']]>';
+ } else {
+ $result.=$token->[1];
+ }
+ } elsif ($token->[0] eq 'PI') {
+ $result.=$token->[2];
+ } elsif ($token->[0] eq 'S') {
+ $result.=$token->[4];
+ } elsif ($token->[0] eq 'E') {
+ $result.=$token->[2];
+ }
+ if ($result =~ /\Q$tag\E/is) {
+ ($result,my $redo)=$result =~ /(.*)\Q$tag\E(.*)/is;
+ #&Apache::lonxml::debug('Got a winner with leftovers ::'.$2);
+ #&Apache::lonxml::debug('Result is :'.$1);
+ $redo=$tag.$redo;
+ &Apache::lonxml::newparser($pars,\$redo);
+ last;
+ }
+ }
+ return $result
+
}
+#########################################################################
+# #
+# bubble line counter management #
+# #
+#########################################################################
+
+=pod
+
+For bubble grading mode and exam bubble printing mode, the tracking of
+the current 'bubble line number' is stored in the %env element
+'form.counter', and is modifed and handled by the following routines.
+
+The value of it is stored in $Apache:lonxml::counter when live and
+stored back to env after done.
+
+=item &increment_counter($increment);
+
+Increments the internal counter environment variable a specified amount
+
+Optional Arguments:
+ $increment - amount to increment by (defaults to 1)
+ Also 1 if the value is negative or zero.
+ $part_response - A concatenation of the part and response id
+ identifying exactly what is being 'answered'.
+
+
+=cut
+
sub increment_counter {
- my ($increment) = @_;
- if (defined($increment) && $increment gt 0) {
- $Apache::lonxml::counter+=$increment;
- } else {
- $Apache::lonxml::counter++;
+ my ($increment, $part_response) = @_;
+ if (!defined($increment) || $increment le 0) {
+ $increment = 1;
}
+ $Apache::lonxml::counter += $increment;
+
+ # If the caller supplied the response_id parameter,
+ # Maintain its counter.. creating if necessary.
+
+ if (defined($part_response)) {
+ if (!defined($Apache::lonxml::counters_per_part{$part_response})) {
+ $Apache::lonxml::counters_per_part{$part_response} = 0;
+ }
+ $Apache::lonxml::counters_per_part{$part_response} += $increment;
+ my $new_value = $Apache::lonxml::counters_per_part{$part_response};
+ }
+
$Apache::lonxml::counter_changed=1;
}
+=pod
+
+=item &init_counter($increment);
+
+Initialize the internal counter environment variable
+
+=cut
+
sub init_counter {
- if (defined($ENV{'form.counter'})) {
- $Apache::lonxml::counter=$ENV{'form.counter'};
+ if ($env{'request.state'} eq 'construct') {
+ $Apache::lonxml::counter=1;
+ $Apache::lonxml::counter_changed=1;
+ } elsif (defined($env{'form.counter'})) {
+ $Apache::lonxml::counter=$env{'form.counter'};
$Apache::lonxml::counter_changed=0;
} else {
$Apache::lonxml::counter=1;
@@ -886,10 +1121,104 @@ sub init_counter {
}
sub store_counter {
- &Apache::lonnet::appenv(('form.counter' => $Apache::lonxml::counter));
+ &Apache::lonnet::appenv({'form.counter' => $Apache::lonxml::counter});
+ $Apache::lonxml::counter_changed=0;
return '';
}
+{
+ my $state;
+ sub clear_problem_counter {
+ undef($state);
+ &Apache::lonnet::delenv('form.counter');
+ &Apache::lonxml::init_counter();
+ &Apache::lonxml::store_counter();
+ }
+
+ sub remember_problem_counter {
+ &Apache::lonnet::transfer_profile_to_env(undef,undef,1);
+ $state = $env{'form.counter'};
+ }
+
+ sub restore_problem_counter {
+ if (defined($state)) {
+ &Apache::lonnet::appenv({'form.counter' => $state});
+ }
+ }
+ sub get_problem_counter {
+ if ($Apache::lonxml::counter_changed) { &store_counter() }
+ &Apache::lonnet::transfer_profile_to_env(undef,undef,1);
+ return $env{'form.counter'};
+ }
+}
+
+=pod
+
+=item bubble_lines_for_part(part_response)
+
+Returns the number of lines required to get a response for
+$part_response (this is just $Apache::lonxml::counters_per_part{$part_response}
+
+=cut
+
+sub bubble_lines_for_part {
+ my ($part_response) = @_;
+
+ if (!defined($Apache::lonxml::counters_per_part{$part_response})) {
+ return 0;
+ } else {
+ return $Apache::lonxml::counters_per_part{$part_response};
+ }
+}
+
+=pod
+
+=item clear_bubble_lines_for_part
+
+Clears the hash of bubble lines per part. If a caller
+needs to analyze several resources this should be called between
+resources to reset the hash for each problem being analyzed.
+
+=cut
+
+sub clear_bubble_lines_for_part {
+ undef(%Apache::lonxml::counters_per_part);
+}
+
+=pod
+
+=item set_bubble_lines(part_response, value)
+
+If there is a problem part, that for whatever reason
+requires bubble lines that are not
+the same as the counter increment, it can call this sub during
+analysis to set its hash value explicitly.
+
+=cut
+
+sub set_bubble_lines {
+ my ($part_response, $value) = @_;
+
+ $Apache::lonxml::counters_per_part{$part_response} = $value;
+}
+
+=pod
+
+=item get_bubble_line_hash
+
+Returns the current bubble line hash. This is assumed to
+be small so we return a copy
+
+
+=cut
+
+sub get_bubble_line_hash {
+ return %Apache::lonxml::counters_per_part;
+}
+
+
+#--------------------------------------------------
+
sub get_all_text {
my($tag,$pars,$style)= @_;
my $gotfullstack=1;
@@ -911,7 +1240,11 @@ sub get_all_text {
while (($depth >=0) && ($token = $$pars[-1]->get_token)) {
#&Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]:".$#$pars.":".$#Apache::lonxml::pwd);
if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
- $result.=$token->[1];
+ if ($token->[2]) {
+ $result.='[1].']]>';
+ } else {
+ $result.=$token->[1];
+ }
} elsif ($token->[0] eq 'PI') {
$result.=$token->[2];
} elsif ($token->[0] eq 'S') {
@@ -963,7 +1296,11 @@ sub get_all_text {
#&Apache::lonxml::debug("s token:$token->[0]:$depth:$token->[1]");
if (($token->[0] eq 'T')||($token->[0] eq 'C')||
($token->[0] eq 'D')) {
- $result.=$token->[1];
+ if ($token->[2]) {
+ $result.='[1].']]>';
+ } else {
+ $result.=$token->[1];
+ }
} elsif ($token->[0] eq 'PI') {
$result.=$token->[2];
} elsif ($token->[0] eq 'S') {
@@ -991,7 +1328,8 @@ sub get_all_text {
sub newparser {
my ($parser,$contentref,$dir) = @_;
push (@$parser,HTML::LCParser->new($contentref));
- $$parser['-1']->xml_mode('1');
+ $$parser[-1]->xml_mode(1);
+ $$parser[-1]->marked_sections(1);
if ( $dir eq '' ) {
push (@Apache::lonxml::pwd, $Apache::lonxml::pwd[$#Apache::lonxml::pwd]);
} else {
@@ -1000,34 +1338,48 @@ sub newparser {
}
sub parstring {
- my ($token) = @_;
- my $temp='';
- foreach (@{$token->[3]}) {
- unless ($_=~/\W/) {
- my $val=$token->[2]->{$_};
- $val =~ s/([\%\@\\\"\'])/\\$1/g;
- #if ($val =~ m/^[\%\@]/) { $val="\\".$val; }
- $temp .= "my \$$_=\"$val\";";
+ my ($token) = @_;
+ my (@vars,@values);
+ foreach my $attr (@{$token->[3]}) {
+ if ($attr!~/\W/) {
+ my $val=$token->[2]->{$attr};
+ $val =~ s/([\%\@\\\"\'])/\\$1/g;
+ $val =~ s/(\$[^\{a-zA-Z_])/\\$1/g;
+ $val =~ s/(\$)$/\\$1/;
+ #if ($val =~ m/^[\%\@]/) { $val="\\".$val; }
+ push(@vars,"\$$attr");
+ push(@values,"\"$val\"");
+ }
+ }
+ my $var_init =
+ (@vars) ? 'my ('.join(',',@vars).') = ('.join(',',@values).');'
+ : '';
+ return $var_init;
+}
+
+sub extlink {
+ my ($res,$exact)=@_;
+ if (!$exact) {
+ $res=&Apache::lonnet::hreflocation($Apache::lonxml::pwd[-1],$res);
}
- }
- return $temp;
+ push(@Apache::lonxml::extlinks,$res)
}
sub writeallows {
unless ($#extlinks>=0) { return; }
- my $thisurl='/res/'.&Apache::lonnet::declutter(shift);
- if ($ENV{'httpref.'.$thisurl}) {
- $thisurl=$ENV{'httpref.'.$thisurl};
+ my $thisurl = &Apache::lonnet::clutter(shift);
+ if ($env{'httpref.'.$thisurl}) {
+ $thisurl=$env{'httpref.'.$thisurl};
}
my $thisdir=$thisurl;
$thisdir=~s/\/[^\/]+$//;
my %httpref=();
foreach (@extlinks) {
$httpref{'httpref.'.
- &Apache::lonnet::hreflocation($thisdir,$_)}=$thisurl;
+ &Apache::lonnet::hreflocation($thisdir,&unescape($_))}=$thisurl;
}
@extlinks=();
- &Apache::lonnet::appenv(%httpref);
+ &Apache::lonnet::appenv(\%httpref);
}
sub register_ssi {
@@ -1043,6 +1395,12 @@ sub do_registered_ssi {
&Apache::lonnet::ssi($url,%form);
}
}
+
+sub add_script_result {
+ my ($display) = @_;
+ push(@script_var_displays, $display);
+}
+
#
# Afterburner handles anchors, highlights and links
#
@@ -1050,24 +1408,24 @@ sub afterburn {
my $result=shift;
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['highlight','anchor','link']);
- if ($ENV{'form.highlight'}) {
- foreach (split(/\,/,$ENV{'form.highlight'})) {
+ if ($env{'form.highlight'}) {
+ foreach (split(/\,/,$env{'form.highlight'})) {
my $anchorname=$_;
my $matchthis=$anchorname;
$matchthis=~s/\_+/\\s\+/g;
$result=~s/(\Q$matchthis\E)/\$1\<\/font\>/gs;
}
}
- if ($ENV{'form.link'}) {
- foreach (split(/\,/,$ENV{'form.link'})) {
+ if ($env{'form.link'}) {
+ foreach (split(/\,/,$env{'form.link'})) {
my ($anchorname,$linkurl)=split(/\>/,$_);
my $matchthis=$anchorname;
$matchthis=~s/\_+/\\s\+/g;
$result=~s/(\Q$matchthis\E)/\$1\<\/a\>/gs;
}
}
- if ($ENV{'form.anchor'}) {
- my $anchorname=$ENV{'form.anchor'};
+ if ($env{'form.anchor'}) {
+ my $anchorname=$env{'form.anchor'};
my $matchthis=$anchorname;
$matchthis=~s/\_+/\\s\+/g;
$result=~s/(\Q$matchthis\E)/\$1\<\/a\>/s;
@@ -1094,21 +1452,19 @@ sub storefile {
}
sub createnewhtml {
- my $filecontents=(<
-
- Title of Document Goes Here
-
+$title
-
- Body of Document Goes Here
-
+$body
SIMPLECONTENT
- return $filecontents;
+ return $filecontents;
}
sub createnewsty {
@@ -1123,66 +1479,139 @@ SIMPLECONTENT
return $filecontents;
}
+sub verify_html {
+ my ($filecontents)=@_;
+ if ($filecontents!~/(?:\<|\<\;)(?:html|xml)[^\<]*(?:\>|\>\;)/is) {
+ return &mt('File does not have [_1] or [_2] starting tag','<html>','<xml>');
+ }
+ if ($filecontents!~/(?:\<|\<\;)\/(?:html|xml)(?:\>|\>\;)/is) {
+ return &mt('File does not have [_1] or [_2] ending tag','<html>','<xml>');
+ }
+ if ($filecontents!~/(?:\<|\<\;)(?:body|frameset)[^\<]*(?:\>|\>\;)/is) {
+ return &mt('File does not have [_1] or [_2] starting tag','<body>','<frameset>');
+ }
+ if ($filecontents!~/(?:\<|\<\;)\/(?:body|frameset)[^\<]*(?:\>|\>\;)/is) {
+ return &mt('File does not have [_1] or [_2] ending tag','<body>','<frameset>');
+ }
+ return '';
+}
sub inserteditinfo {
- my ($result,$filecontents,$filetype)=@_;
+ my ($filecontents, $filetype, $filename)=@_;
$filecontents = &HTML::Entities::encode($filecontents,'<>&"');
-# my $editheader='Edit below
';
my $xml_help = '';
- if ($filetype eq 'html') {
- $xml_help=Apache::loncommon::helpLatexCheatsheet();
+ my $initialize='';
+ my $textarea_id = 'filecont';
+ my ($add_to_onload, $add_to_onresize);
+ $initialize=&Apache::lonhtmlcommon::spellheader();
+ if ($filetype eq 'html'
+ && (!&Apache::lonhtmlcommon::htmlareablocked() &&
+ &Apache::lonhtmlcommon::htmlareabrowser())) {
+ $textarea_id .= '___Frame';
+ my $lang = &Apache::lonhtmlcommon::htmlarea_lang();
+ $initialize.=(<
+lonca
+ function initDocument() {
+ var oFCKeditor = new FCKeditor('filecont');
+ oFCKeditor.Config['CustomConfigurationsPath'] = '/fckeditor/loncapaconfig.js' ;
+ oFCKeditor.Config['FullPage'] = true
+ oFCKeditor.Config['AutoDetectLanguage'] = false;
+ oFCKeditor.Config['DefaultLanguage'] = "$lang";
+ oFCKeditor.ReplaceTextarea();
+ }
+ function check_if_dirty(editor) {
+ if (editor.IsDirty()) {
+ unClean();
+ }
+ }
+ function FCKeditor_OnComplete(editor) {
+ editor.Events.AttachEvent("OnSelectionChange",check_if_dirty);
+ resize_textarea('$textarea_id','LC_aftertextarea');
+ }
+
+FULLPAGE
+ } else {
+ $initialize.=(<
+ function initDocument() {
+ resize_textarea('$textarea_id','LC_aftertextarea');
+ }
+
+FULLPAGE
}
- my $cleanbut = '';
+
+ $add_to_onload = 'initDocument();';
+ $add_to_onresize = "resize_textarea('$textarea_id','LC_aftertextarea');";
+
if ($filetype eq 'html') {
- $cleanbut='';
+ $xml_help=&Apache::loncommon::helpLatexCheatsheet();
}
+
my $titledisplay=&display_title();
- my %lt=&Apache::lonlocal::texthash('st' => 'Save this',
- 'vi' => 'View',
+ my %lt=&Apache::lonlocal::texthash('st' => 'Save and Edit',
+ 'vi' => 'Save and View',
+ 'dv' => 'Discard Edits and View',
+ 'un' => 'undo',
'ed' => 'Edit');
- my $buttons=(<
-
-BUTTONS
+ my $spelllink .=&Apache::lonhtmlcommon::spelllink('xmledit','filecont');
+ my $textarea_events = &Apache::edit::element_change_detection();
+ my $form_events = &Apache::edit::form_change_detection();
+ my $htmlerror=&verify_html($filecontents);
+ if ($htmlerror) {
+ $htmlerror=''.$htmlerror.'';
+ }
my $editfooter=(<
+$initialize
-
-$titledisplay
+
ENDFOOTER
-# $result=~s/(\