--- loncom/xml/lonxml.pm 2001/10/31 17:44:42 1.137
+++ loncom/xml/lonxml.pm 2006/03/10 23:49:35 1.401
@@ -1,60 +1,103 @@
# The LearningOnline Network with CAPA
# XML Parser Module
#
-# 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
-# 5/10 Scott Harrison
-# 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
+# $Id: lonxml.pm,v 1.401 2006/03/10 23:49:35 albertel Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
+# Copyright for TtHfunc and TtMfunc by Ian Hutchinson.
+# TtHfunc and TtMfunc (the "Code") may be compiled and linked into
+# binary executable programs or libraries distributed by the
+# Michigan State University (the "Licensee"), but any binaries so
+# distributed are hereby licensed only for use in the context
+# of a program or computational system for which the Licensee is the
+# primary author or distributor, and which performs substantial
+# additional tasks beyond the translation of (La)TeX into HTML.
+# The C source of the Code may not be distributed by the Licensee
+# to any other parties under any circumstances.
+#
package Apache::lonxml;
use vars
-qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace);
+qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $errorcount $warningcount @htmlareafields);
use strict;
-use HTML::TokeParser;
-use HTML::TreeBuilder;
-use Safe;
-use Safe::Hole;
-use Math::Cephes qw(:trigs :hypers :bessels erf erfc);
-use Math::Random qw(:all);
-use Opcode;
+use HTML::LCParser();
+use HTML::TreeBuilder();
+use HTML::Entities();
+use Safe();
+use Safe::Hole();
+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;
- my @taglist;
- my $temptag;
- ($space,@taglist) = @_;
- foreach $temptag (@taglist) {
- $Apache::lonxml::alltags{$temptag}=$space;
+ my ($space,@taglist) = @_;
+ foreach my $temptag (@taglist) {
+ push(@{ $Apache::lonxml::alltags{$temptag} },$space);
+ }
+}
+
+sub deregister {
+ my ($space,@taglist) = @_;
+ foreach my $temptag (@taglist) {
+ my $tempspace = $Apache::lonxml::alltags{$temptag}[-1];
+ if ($tempspace eq $space) {
+ pop(@{ $Apache::lonxml::alltags{$temptag} });
+ }
}
+ #&printalltags();
}
use Apache::Constants qw(:common);
-use Apache::lontexconvert;
-use Apache::style;
-use Apache::run;
-use Apache::londefdef;
-use Apache::scripttag;
-use Apache::edit;
+use Apache::lontexconvert();
+use Apache::style();
+use Apache::run();
+use Apache::londefdef();
+use Apache::scripttag();
+use Apache::languagetags();
+use Apache::edit();
+use Apache::inputtags();
+use Apache::outputtags();
use Apache::lonnet;
-use Apache::File;
-use Apache::loncommon;
+use Apache::File();
+use Apache::loncommon();
+use Apache::lonfeedback();
+use Apache::lonmsg();
+use Apache::loncacc();
+use Apache::lonlocal;
#================================================== Main subroutine: xmlparse
#debugging control, to turn on debugging modify the correct handler
$Apache::lonxml::debug=0;
+# keeps count of the number of warnings and errors generated in a parse
+$warningcount=0;
+$errorcount=0;
+
#path to the directory containing the file currently being processed
@pwd=();
@@ -83,84 +126,94 @@ $evaluate = 1;
# has the dynamic menu been updated to know about this resource
$Apache::lonxml::registered=0;
+# a pointer the the Apache request object
+$Apache::lonxml::request='';
+
+# a problem number counter, and check on ether it is used
+$Apache::lonxml::counter=1;
+$Apache::lonxml::counter_changed=0;
+
+#internal check on whether to look at style defs
+$Apache::lonxml::usestyle=1;
+
+#locations used to store the parameter string for style substitutions
+$Apache::lonxml::style_values='';
+$Apache::lonxml::style_end_values='';
+
+#array of ssi calls that need to occur after we are done parsing
+@Apache::lonxml::ssi_info=();
+
+#should we do the postag variable interpolation
+$Apache::lonxml::post_evaluate=1;
+
+#a header message to emit in the case of any generated warning or errors
+$Apache::lonxml::warnings_error_header='';
+
+# Control whether or not LaTeX symbols should be substituted for their
+# \ style equivalents...this may be turned off e.g. in an verbatim
+# environment.
+
+$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 {
- my $output='';
- if ($ENV{'browser.mathml'}) {
- $output='<?xml version="1.0"?>'
- .'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'
- .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
- .'[<!ENTITY mathns "http://www.w3.org/1998/Math/MathML">]>'
+ my ($style)=@_;
+ my $output='';
+ @htmlareafields=();
+ if ($env{'browser.mathml'}) {
+ $output='<?xml version="1.0"?>'
+ #.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>'."\n"
+# .'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" '
+
+# .'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" [<!ENTITY mathns "http://www.w3.org/1998/Math/MathML">] >'
+ .'<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg.dtd">'
.'<html xmlns:math="http://www.w3.org/1998/Math/MathML" '
- .'xmlns="http://www.w3.org/TR/REC-html40">';
- } else {
- $output='<html>';
- }
- return $output;
+ .'xmlns="http://www.w3.org/1999/xhtml">';
+ } else {
+ $output='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>';
+ }
+ if ($style eq 'encode') {
+ $output=&HTML::Entities::encode($output,'<>&"');
+ }
+ return $output;
}
sub xmlend {
- my $discussion='';
- if ($ENV{'request.course.id'}) {
- my $crs='/'.$ENV{'request.course.id'};
- if ($ENV{'request.course.sec'}) {
- $crs.='_'.$ENV{'request.course.sec'};
- }
- $crs=~s/\_/\//g;
- my $seeid=&Apache::lonnet::allowed('rin',$crs);
- my $symb=&Apache::lonnet::symbread();
- if ($symb) {
- my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
- $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
- $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
- if ($contrib{'version'}) {
- $discussion.=
- '<address><hr /><h2>Course Discussion of Resource</h2>';
- my $idx;
- for ($idx=1;$idx<=$contrib{'version'};$idx++) {
- my $hidden=($contrib{'hidden'}=~/\.$idx\./);
- unless (($hidden) && (!$seeid)) {
- my $message=$contrib{$idx.':message'};
- $message=~s/\n/\<br \/\>/g;
- if ($message) {
- if ($hidden) {
- $message='<font color="#888888">'.$message.'</font>';
- }
- my $sender='Anonymous';
- if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
- $sender=$contrib{$idx.':sendername'}.' at '.
- $contrib{$idx.':senderdomain'};
- if ($contrib{$idx.':anonymous'}) {
- $sender.=' (anonymous)';
- }
- if ($seeid) {
- if ($hidden) {
- $sender.=' <a href="/adm/feedback?unhide='.
- $symb.':::'.$idx.'">Make Visible</a>';
- } else {
- $sender.=' <a href="/adm/feedback?hide='.
- $symb.':::'.$idx.'">Hide</a>';
- }
- }
- }
- $discussion.='<p><b>'.$sender.'</b> ('.
- localtime($contrib{$idx.':timestamp'}).
- '):<blockquote>'.$message.
- '</blockquote></p>';
- }
- }
- }
- $discussion.='</address>';
- }
- }
+ my ($target,$parser)=@_;
+ my $mode='xml';
+ my $status='OPEN';
+ if ($Apache::lonhomework::parsing_a_problem ||
+ $Apache::lonhomework::parsing_a_task ) {
+ $mode='problem';
+ $status=$Apache::inputtags::status[-1];
+ }
+ 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') {
+ $discussion.='<tex>\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\end{document}</tex>';
+ &Apache::lonxml::newparser($parser,\$discussion,'');
+ return '';
+ } else {
+ return $discussion.&Apache::loncommon::endbodytag();
}
- return $discussion.'</html>';
}
sub tokeninputfield {
my $defhost=$Apache::lonnet::perlvar{'lonHostID'};
$defhost=~tr/a-z/A-Z/;
return (<<ENDINPUTFIELD)
-<script>
+<script type="text/javascript">
function updatetoken() {
var comp=new Array;
var barcode=unescape(document.tokeninput.barcode.value);
@@ -211,9 +264,9 @@ 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);
@@ -233,174 +286,82 @@ 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));
return
- '<img align="right" src="/cgi-bin/barcode.gif?encode='.$token.'" />'.
- 'Checked out for '.$plainname.
- '<br />User: '.$tuname.' at '.$tudom.
- '<br />CourseID: '.$tcrsid.
- '<br />DocID: '.$token.
- '<br />Time: '.localtime().'<hr />';
+ '<img align="right" src="/cgi-bin/barcode.png?encode='.$token.'" />'.
+ &mt('Checked out for').' '.$plainname.
+ '<br />'.&mt('User').': '.$tuname.' at '.$tudom.
+ '<br />'.&mt('ID').': '.$idhash{$tuname}.
+ '<br />'.&mt('CourseID').': '.$tcrsid.
+ '<br />'.&mt('Course').': '.$env{'course.'.$tcrsid.'.description'}.
+ '<br />'.&mt('DocID').': '.$token.
+ '<br />'.&mt('Time').': '.&Apache::lonlocal::locallocaltime().'<hr />';
} else {
return $token;
}
}
-sub fontsettings() {
+sub fontsettings {
my $headerstring='';
- if (($ENV{'browser.os'} eq 'mac') && (!$ENV{'browser.mathml'})) {
- $headerstring.=
- '<meta Content-Type="text/html; charset=x-mac-roman">';
+ if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) {
+ $headerstring.=
+ '<meta Content-Type="text/html; charset=x-mac-roman" />';
+ } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
+ $headerstring.=
+ '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
}
return $headerstring;
}
-sub registerurl {
- my $forcereg=shift;
- if ($ENV{'request.publicaccess'}) {
- return
- '<script>function LONCAPAreg(){} function LONCAPAstale(){}</script>';
- }
- if ($Apache::lonxml::registered && !$forcereg) { return ''; }
- $Apache::lonxml::registered=1;
- if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
- my $hwkadd='';
- if ($ENV{'REQUEST_URI'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
- if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
- $hwkadd.=(<<ENDSUBM);
- menu.switchbutton
- (7,1,'subm.gif','view sub','missions',
- 'gocmd("/adm/grades","submission")');
-ENDSUBM
- }
- if (&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) {
- $hwkadd.=(<<ENDGRDS);
- menu.switchbutton
- (7,2,'pgrd.gif','problem','grades',
- 'gocmd("/adm/grades","viewgrades")');
-ENDGRDS
- }
- if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
- $hwkadd.=(<<ENDPARM);
- menu.switchbutton
- (7,3,'pparm.gif','problem','parms',
- 'gocmd("/adm/parmset","set")');
-ENDPARM
- }
- }
- return (<<ENDREGTHIS);
-
-<script language="JavaScript">
-// BEGIN LON-CAPA Internal
-
- function LONCAPAreg() {
- menu=window.open("","LONCAPAmenu");
- menu.clearTimeout(menu.menucltim);
- menu.currentURL=window.location.pathname;
- menu.currentStale=0;
- menu.clearbut(3,1);
- menu.switchbutton
- (6,3,'catalog.gif','catalog','info','catalog_info()');
- menu.switchbutton
- (8,1,'eval.gif','evaluate','this','gopost("/adm/evaluate",currentURL)');
- menu.switchbutton
- (8,2,'fdbk.gif','feedback','on this','gopost("/adm/feedback",currentURL)');
- menu.switchbutton
- (8,3,'prt.gif','prepare','printout','gopost("/adm/printout",currentURL)');
- menu.switchbutton
- (2,1,'back.gif','backward','','gopost("/adm/flip","back:"+currentURL)');
- menu.switchbutton
- (2,3,'forw.gif','forward','','gopost("/adm/flip","forward:"+currentURL)');
- menu.switchbutton
- (9,1,'sbkm.gif','set','bookmark','set_bookmark()');
- menu.switchbutton
- (9,2,'vbkm.gif','view','bookmark','edit_bookmarks()');
- menu.switchbutton
- (9,3,'anot.gif','anno-','tations','annotate()');
- $hwkadd
- }
-
- function LONCAPAstale() {
- menu=window.open("","LONCAPAmenu");
- menu.currentStale=1;
- menu.switchbutton
- (3,1,'reload.gif','return','location','go(currentURL)');
- menu.clearbut(7,1);
- menu.clearbut(7,2);
- menu.clearbut(7,3);
- menu.menucltim=menu.setTimeout(
- 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
- 'clearbut(9,1);clearbut(9,2);clearbut(9,3);clearbut(6,3)',
- 2000);
-
- }
-
-// END LON-CAPA Internal
-</script>
-ENDREGTHIS
-
- } else {
- return (<<ENDDONOTREGTHIS);
-
-<script language="JavaScript">
-// BEGIN LON-CAPA Internal
-
- function LONCAPAreg() {
- menu=window.open("","LONCAPAmenu");
- menu.currentStale=1;
- menu.clearbut(2,1);
- menu.clearbut(2,3);
- menu.clearbut(8,1);
- menu.clearbut(8,2);
- menu.clearbut(8,3);
- if (menu.currentURL) {
- menu.switchbutton
- (3,1,'reload.gif','return','location','go(currentURL)');
- } else {
- menu.clearbut(3,1);
- }
- }
-
- function LONCAPAstale() {
- }
-
-// END LON-CAPA Internal
-</script>
-ENDDONOTREGTHIS
-
- }
-}
-
-sub loadevents() {
- return 'LONCAPAreg();';
-}
-
-sub unloadevents() {
- return 'LONCAPAstale();';
-}
-
sub printalltags {
my $temp;
foreach $temp (sort keys %Apache::lonxml::alltags) {
- &Apache::lonxml::debug("$temp -- $Apache::lonxml::alltags{$temp}");
+ &Apache::lonxml::debug("$temp -- ".
+ join(',',@{ $Apache::lonxml::alltags{$temp} }));
}
}
sub xmlparse {
- my ($target,$content_file_string,$safeinit,%style_for_target) = @_;
+ my ($request,$target,$content_file_string,$safeinit,%style_for_target) = @_;
- &setup_globals($target);
- #&printalltags();
+ &setup_globals($request,$target);
+ &Apache::inputtags::initialize_inputtags();
+ &Apache::bridgetask::initialize_bridgetask();
+ &Apache::outputtags::initialize_outputtags();
+ &Apache::edit::initialize_edit();
+ &Apache::londefdef::initialize_londefdef();
+
+#
+# do we have a course style file?
+#
+
+ if ($env{'request.course.id'} && $env{'request.state'} ne 'construct') {
+ my $bodytext=
+ $env{'course.'.$env{'request.course.id'}.'.default_xml_style'};
+ if ($bodytext) {
+ 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));
+ }
+ }
+#&printalltags();
my @pars = ();
- my $pwd=$ENV{'request.filename'};
+ my $pwd=$env{'request.filename'};
$pwd =~ s:/[^/]*$::;
&newparser(\@pars,\$content_file_string,$pwd);
@@ -411,195 +372,196 @@ sub xmlparse {
($target, my @tenta) = split('&&',$target);
- my @stack = ();
+ my @stack = ();
my @parstack = ();
- &initdepth;
-
+ &initdepth();
+ &init_alarm();
my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars,
- $safeeval,\%style_for_target);
- if ($ENV{'request.uri'}) {
- &writeallows($ENV{'request.uri'});
+ $safeeval,\%style_for_target,1);
+
+ if ($env{'request.uri'}) {
+ &writeallows($env{'request.uri'});
}
- return $finaloutput;
-}
+ &do_registered_ssi();
+ if ($Apache::lonxml::counter_changed) { &store_counter() }
-sub htmlclean {
- my ($raw,$full)=@_;
+ &clean_safespace($safeeval);
- my $tree = HTML::TreeBuilder->new;
- $tree->ignore_unknown(0);
-
- $tree->parse($raw);
+ if ($env{'form.return_only_error_and_warning_counts'}) {
+ return "$errorcount:$warningcount";
+ }
+ return $finaloutput;
+}
- 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) {
- $output=~s/\<[\/]*(body|head|html)\>//gis;
+sub latex_special_symbols {
+ my ($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/(\$|%|\{|\})/\\$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;
+ } else {
+ $string=~s/\\/\\ensuremath{\\backslash}/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/\\\&|\&/\\\&/g;
+ $string=~s/\\\#|\#/\\\#/g;
+ $string=~s/\|/\$\\mid\$/g;
+#single { or } How to escape?
}
-
- $tree = $tree->delete;
-
- return $output;
+ 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 = $$pars['-1']->get_token) {
- if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) {
+ if (($token->[0] eq 'T') || ($token->[0] eq 'C') ) {
if ($metamode<1) {
- $result=$token->[1];
+ my $text=$token->[1];
+ if ($token->[0] eq 'C' && $target eq 'tex') {
+ $text = '';
+# $text = '%'.$text."\n";
+ }
+ $result.=$text;
+ }
+ } elsif (($token->[0] eq 'D')) {
+ if ($metamode<1 && $target eq 'web') {
+ my $text=$token->[1];
+ $result.=$text;
}
} elsif ($token->[0] eq 'PI') {
- if ($metamode<1) {
+ if ($metamode<1 && $target eq 'web') {
$result=$token->[2];
}
} elsif ($token->[0] eq 'S') {
- # add tag to stack
+ # add tag to stack
push (@$stack,$token->[1]);
# add parameters list to another stack
push (@$parstack,&parstring($token));
- &increasedepth($token);
- if (exists $$style_for_target{$token->[1]}) {
- if ($Apache::lonxml::redirection) {
- $Apache::lonxml::outputstack['-1'] .=
- &recurse($$style_for_target{$token->[1]},$target,$safeeval,
- $style_for_target,@$parstack);
- } else {
- $finaloutput .= &recurse($$style_for_target{$token->[1]},$target,
- $safeeval,$style_for_target,@$parstack);
- }
+ &increasedepth($token);
+ if ($Apache::lonxml::usestyle &&
+ exists($$style_for_target{$token->[1]})) {
+ $Apache::lonxml::usestyle=0;
+ my $string=$$style_for_target{$token->[1]}.
+ '<LONCAPA_INTERNAL_TURN_STYLE_ON />';
+ &Apache::lonxml::newparser($pars,\$string);
+ $Apache::lonxml::style_values=$$parstack[-1];
+ $Apache::lonxml::style_end_values=$$parstack[-1];
} else {
$result = &callsub("start_$token->[1]", $target, $token, $stack,
$parstack, $pars, $safeeval, $style_for_target);
- }
+ }
} elsif ($token->[0] eq 'E') {
- #clear out any tags that didn't end
- while ($token->[1] ne $$stack['-1'] && ($#$stack > -1)) {
- &Apache::lonxml::warning("Unbalanced tags in resource $$stack['-1']");
- &end_tag($stack,$parstack,$token);
- }
-
- if (exists $$style_for_target{'/'."$token->[1]"}) {
- if ($Apache::lonxml::redirection) {
- $Apache::lonxml::outputstack['-1'] .=
- &recurse($$style_for_target{'/'."$token->[1]"},
- $target,$safeeval,$style_for_target,@$parstack);
- } else {
- $finaloutput .= &recurse($$style_for_target{'/'."$token->[1]"},
- $target,$safeeval,$style_for_target,
- @$parstack);
- }
-
+ if ($Apache::lonxml::usestyle &&
+ exists($$style_for_target{'/'."$token->[1]"})) {
+ $Apache::lonxml::usestyle=0;
+ my $string=$$style_for_target{'/'.$token->[1]}.
+ '<LONCAPA_INTERNAL_TURN_STYLE_ON end="'.$token->[1].'" />';
+ &Apache::lonxml::newparser($pars,\$string);
+ $Apache::lonxml::style_values=$Apache::lonxml::style_end_values;
+ $Apache::lonxml::style_end_values='';
+ $dontpop=1;
} else {
- $result = &callsub("end_$token->[1]", $target, $token, $stack,
- $parstack, $pars,$safeeval, $style_for_target);
+ #clear out any tags that didn't end
+ while ($token->[1] ne $$stack['-1'] && ($#$stack > -1)) {
+ my $lasttag=$$stack[-1];
+ if ($token->[1] =~ /^\Q$lasttag\E$/i) {
+ &Apache::lonxml::warning('Using tag </'.$token->[1].'> on line '.$token->[3].' as end tag to <'.$$stack[-1].'>');
+ last;
+ } else {
+ &Apache::lonxml::warning('Found tag </'.$token->[1].'> on line '.$token->[3].' when looking for </'.$$stack[-1].'> in file');
+ &end_tag($stack,$parstack,$token);
+ }
+ }
+ $result = &callsub("end_$token->[1]", $target, $token, $stack,
+ $parstack, $pars,$safeeval, $style_for_target);
}
} else {
&Apache::lonxml::error("Unknown token event :$token->[0]:$token->[1]:");
}
#evaluate variable refs in result
- if ($result ne "") {
- if ( $#$parstack > -1 ) {
- if ($Apache::lonxml::redirection) {
- $Apache::lonxml::outputstack['-1'] .=
- &Apache::run::evaluate($result,$safeeval,$$parstack['-1']);
- } else {
- $finaloutput .= &Apache::run::evaluate($result,$safeeval,
- $$parstack['-1']);
+ if ($Apache::lonxml::post_evaluate &&$result ne "") {
+ my $extras;
+ if (!$Apache::lonxml::usestyle) {
+ $extras=$Apache::lonxml::style_values;
}
+ if ( $#$parstack > -1 ) {
+ $result=&Apache::run::evaluate($result,$safeeval,$extras.$$parstack[-1]);
} else {
- $finaloutput .= &Apache::run::evaluate($result,$safeeval,'');
+ $result= &Apache::run::evaluate($result,$safeeval,$extras);
}
- $result = '';
- }
- if ($token->[0] eq 'E') {
+ }
+ $Apache::lonxml::post_evaluate=1;
+
+ if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) {
+ #Style file definitions should be correct
+ if ($target eq 'tex' && ($Apache::lonxml::usestyle)) {
+ $result=&latex_special_symbols($result);
+ }
+ }
+
+ if ($Apache::lonxml::redirection) {
+ $Apache::lonxml::outputstack['-1'] .= $result;
+ } else {
+ $finaloutput.=$result;
+ }
+ $result = '';
+
+ if ($token->[0] eq 'E' && !$dontpop) {
&end_tag($stack,$parstack,$token);
}
+ $dontpop=0;
+ }
+ if ($#$pars > -1) {
+ pop @$pars;
+ pop @Apache::lonxml::pwd;
}
- pop @$pars;
- pop @Apache::lonxml::pwd;
}
# if ($target eq 'meta') {
# $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);
- }
+ }
return $finaloutput;
}
-sub recurse {
- my @innerstack = ();
- my @innerparstack = ();
- my ($newarg,$target,$safeeval,$style_for_target,@parstack) = @_;
- my @pat = ();
- &newparser(\@pat,\$newarg);
- my $tokenpat;
- my $partstring = '';
- my $output='';
- my $decls='';
- while ( $#pat > -1 ) {
- while ($tokenpat = $pat[$#pat]->get_token) {
- if (($tokenpat->[0] eq 'T') || ($tokenpat->[0] eq 'C') || ($tokenpat->[0] eq 'D') ) {
- if ($metamode<1) { $partstring=$tokenpat->[1]; }
- } elsif ($tokenpat->[0] eq 'PI') {
- if ($metamode<1) { $partstring=$tokenpat->[2]; }
- } elsif ($tokenpat->[0] eq 'S') {
- push (@innerstack,$tokenpat->[1]);
- push (@innerparstack,&parstring($tokenpat));
- &increasedepth($tokenpat);
- $partstring = &callsub("start_$tokenpat->[1]", $target, $tokenpat,
- \@innerstack, \@innerparstack, \@pat,
- $safeeval, $style_for_target);
- } elsif ($tokenpat->[0] eq 'E') {
- #clear out any tags that didn't end
- while ($tokenpat->[1] ne $innerstack[$#innerstack]
- && ($#innerstack > -1)) {
- &Apache::lonxml::warning("Unbalanced tags in resource $innerstack['-1']");
- &end_tag(\@innerstack,\@innerparstack,$tokenpat);
- }
- $partstring = &callsub("end_$tokenpat->[1]", $target, $tokenpat,
- \@innerstack, \@innerparstack, \@pat,
- $safeeval, $style_for_target);
- } else {
- &Apache::lonxml::error("Unknown token event :$tokenpat->[0]:$tokenpat->[1]:");
- }
- #pass both the variable to the style tag, and the tag we
- #are processing inside the <definedtag>
- if ( $partstring ne "" ) {
- if ( $#parstack > -1 ) {
- if ( $#innerparstack > -1 ) {
- $decls= $parstack[$#parstack].$innerparstack[$#innerparstack];
- } else {
- $decls= $parstack[$#parstack];
- }
- } else {
- if ( $#innerparstack > -1 ) {
- $decls=$innerparstack[$#innerparstack];
- } else {
- $decls='';
- }
- }
- $output .= &Apache::run::evaluate($partstring,$safeeval,$decls);
- $partstring = '';
- }
- if ($tokenpat->[0] eq 'E') { pop @innerstack;pop @innerparstack;
- &decreasedepth($tokenpat);}
- }
- pop @pat;
- pop @Apache::lonxml::pwd;
- }
- return $output;
-}
-
+##
+## Looks to see if there is a subroutine defined for this tag. If so, call it,
+## otherwise do not call it as we do not know what it is.
+##
sub callsub {
my ($sub,$target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $currentstring='';
@@ -608,11 +570,13 @@ sub callsub {
my $sub1;
no strict 'refs';
my $tag=$token->[1];
- my $space=$Apache::lonxml::alltags{$tag};
+# get utterly rid of extended html tags
+ if ($tag=~/^x\-/i) { return ''; }
+ my $space=$Apache::lonxml::alltags{$tag}[-1];
if (!$space) {
- $tag=~tr/A-Z/a-z/;
+ $tag=~tr/A-Z/a-z/;
$sub=~tr/A-Z/a-z/;
- $space=$Apache::lonxml::alltags{$tag}
+ $space=$Apache::lonxml::alltags{$tag}[-1]
}
my $deleted=0;
@@ -624,13 +588,17 @@ sub callsub {
}
if (!$deleted) {
if ($space) {
- #&Apache::lonxml::debug("Calling sub $sub in $space $metamode<br />\n");
+ #&Apache::lonxml::debug("Calling sub $sub in $space $metamode");
$sub1="$space\:\:$sub";
($currentstring,$nodefault) = &$sub1($target,$token,$tagstack,
$parstack,$parser,$safeeval,
$style);
} else {
- #&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode<br />\n");
+ if ($target eq 'tex') {
+ # throw away tag name
+ return '';
+ }
+ #&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode");
if ($metamode <1) {
if (defined($token->[4]) && ($metamode < 1)) {
$currentstring = $token->[4];
@@ -642,7 +610,7 @@ sub callsub {
# &Apache::lonxml::debug("nodefalt:$nodefault:");
if ($currentstring eq '' && $nodefault eq '') {
if ($target eq 'edit') {
- &Apache::lonxml::debug("doing default edit for $token->[1]");
+ #&Apache::lonxml::debug("doing default edit for $token->[1]");
if ($token->[0] eq 'S') {
$currentstring = &Apache::edit::tag_start($target,$token);
} elsif ($token->[0] eq 'E') {
@@ -652,6 +620,9 @@ sub callsub {
if ($token->[0] eq 'S') {
$currentstring = $token->[4];
$currentstring.=&Apache::edit::handle_insert();
+ } elsif ($token->[0] eq 'E') {
+ $currentstring = $token->[2];
+ $currentstring.=&Apache::edit::handle_insertafter($token->[1]);
} else {
$currentstring = $token->[2];
}
@@ -664,10 +635,21 @@ sub callsub {
}
sub setup_globals {
- my ($target)=@_;
+ my ($request,$target)=@_;
+ $Apache::lonxml::request=$request;
$Apache::lonxml::registered = 0;
+ @Apache::lonxml::htmlareafields=();
+ $errorcount=0;
+ $warningcount=0;
+ $Apache::lonxml::default_homework_loaded=0;
+ $Apache::lonxml::usestyle=1;
+ &init_counter();
@Apache::lonxml::pwd=();
@Apache::lonxml::extlinks=();
+ @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;
@@ -679,7 +661,7 @@ 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;
@@ -693,6 +675,11 @@ sub setup_globals {
$Apache::lonxml::metamode = 0;
$Apache::lonxml::evaluate = 0;
$Apache::lonxml::import = 0;
+ } elsif ($target eq 'analyze') {
+ $Apache::lonxml::redirection = 0;
+ $Apache::lonxml::metamode = 0;
+ $Apache::lonxml::evaluate = 1;
+ $Apache::lonxml::import = 1;
} else {
$Apache::lonxml::redirection = 0;
$Apache::lonxml::metamode = 0;
@@ -703,13 +690,23 @@ sub setup_globals {
sub init_safespace {
my ($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');
+
$safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin');
$safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos');
$safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan');
@@ -729,6 +726,67 @@ sub init_safespace {
$safehole->wrap(\&Math::Cephes::y1,$safeeval,'&y1');
$safehole->wrap(\&Math::Cephes::yn,$safeeval,'&yn');
$safehole->wrap(\&Math::Cephes::yv,$safeeval,'&yv');
+
+ $safehole->wrap(\&Math::Cephes::bdtr ,$safeeval,'&bdtr' );
+ $safehole->wrap(\&Math::Cephes::bdtrc ,$safeeval,'&bdtrc' );
+ $safehole->wrap(\&Math::Cephes::bdtri ,$safeeval,'&bdtri' );
+ $safehole->wrap(\&Math::Cephes::btdtr ,$safeeval,'&btdtr' );
+ $safehole->wrap(\&Math::Cephes::chdtr ,$safeeval,'&chdtr' );
+ $safehole->wrap(\&Math::Cephes::chdtrc,$safeeval,'&chdtrc');
+ $safehole->wrap(\&Math::Cephes::chdtri,$safeeval,'&chdtri');
+ $safehole->wrap(\&Math::Cephes::fdtr ,$safeeval,'&fdtr' );
+ $safehole->wrap(\&Math::Cephes::fdtrc ,$safeeval,'&fdtrc' );
+ $safehole->wrap(\&Math::Cephes::fdtri ,$safeeval,'&fdtri' );
+ $safehole->wrap(\&Math::Cephes::gdtr ,$safeeval,'&gdtr' );
+ $safehole->wrap(\&Math::Cephes::gdtrc ,$safeeval,'&gdtrc' );
+ $safehole->wrap(\&Math::Cephes::nbdtr ,$safeeval,'&nbdtr' );
+ $safehole->wrap(\&Math::Cephes::nbdtrc,$safeeval,'&nbdtrc');
+ $safehole->wrap(\&Math::Cephes::nbdtri,$safeeval,'&nbdtri');
+ $safehole->wrap(\&Math::Cephes::ndtr ,$safeeval,'&ndtr' );
+ $safehole->wrap(\&Math::Cephes::ndtri ,$safeeval,'&ndtri' );
+ $safehole->wrap(\&Math::Cephes::pdtr ,$safeeval,'&pdtr' );
+ $safehole->wrap(\&Math::Cephes::pdtrc ,$safeeval,'&pdtrc' );
+ $safehole->wrap(\&Math::Cephes::pdtri ,$safeeval,'&pdtri' );
+ $safehole->wrap(\&Math::Cephes::stdtr ,$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');
+# $safehole->wrap(\&Math::Cephes::rmul,$safeeval,'&rmul');
+# $safehole->wrap(\&Math::Cephes::rdiv,$safeeval,'&rdiv');
+# $safehole->wrap(\&Math::Cephes::euclid,$safeeval,'&euclid');
+
$safehole->wrap(\&Math::Random::random_beta,$safeeval,'&math_random_beta');
$safehole->wrap(\&Math::Random::random_chi_square,$safeeval,'&math_random_chi_square');
$safehole->wrap(\&Math::Random::random_exponential,$safeeval,'&math_random_exponential');
@@ -750,29 +808,110 @@ 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');
+ $safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR');
+ $safehole->wrap(\&Apache::lonxml::debug,$safeeval,'&LONCAPA_INTERNAL_DEBUG');
+ $safehole->wrap(\&Apache::caparesponse::get_sigrange,$safeeval,'&LONCAPA_INTERNAL_get_sigrange');
#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='.$rndseed.';';
&Apache::run::run($safeinit,$safeeval);
+ &initialize_rndseed($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($package);
+}
+
+sub initialize_rndseed {
+ my ($safeeval)=@_;
+ my $rndseed;
+ my ($symb,$courseid,$domain,$name) = &Apache::lonxml::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,$safeeval);
+}
+
+sub default_homework_load {
+ my ($safeeval)=@_;
+ &Apache::lonxml::debug('Loading default_homework');
+ my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/default_homework.lcpm');
+ if ($default eq -1) {
+ &Apache::lonxml::error("<b>Unable to find <i>default_homework.lcpm</i></b>");
+ } else {
+ &Apache::run::run($default,$safeeval);
+ $Apache::lonxml::default_homework_loaded=1;
+ }
}
+{
+ 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 end_tag {
@@ -788,6 +927,8 @@ sub initdepth {
$Apache::lonxml::olddepth=-1;
}
+my @timers;
+my $lasttime;
sub increasedepth {
my ($token) = @_;
$Apache::lonxml::depth++;
@@ -795,8 +936,15 @@ sub increasedepth {
if ($Apache::lonxml::depthcounter[$Apache::lonxml::depth]==1) {
$Apache::lonxml::olddepth=$Apache::lonxml::depth;
}
+ my $time;
+ if ($Apache::lonxml::debug eq "1") {
+ push(@timers,[&gettimeofday()]);
+ $time=&tv_interval($lasttime);
+ $lasttime=[&gettimeofday()];
+ }
+ my $spacing=' 'x($Apache::lonxml::depth-1);
my $curdepth=join('_',@Apache::lonxml::depthcounter);
- &Apache::lonxml::debug("s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n");
+ &Apache::lonxml::debug("s$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1] : $time : \n");
#print "<br />s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n";
}
@@ -808,144 +956,320 @@ sub decreasedepth {
$Apache::lonxml::olddepth=$Apache::lonxml::depth+1;
}
if ( $Apache::lonxml::depth < -1) {
- &Apache::lonxml::warning("Unbalanced tags in resource");
+ &Apache::lonxml::warning(&mt("Missing tags, unable to properly run file."));
$Apache::lonxml::depth='-1';
}
+ my ($timer,$time);
+ if ($Apache::lonxml::debug eq "1") {
+ $timer=pop(@timers);
+ $time=&tv_interval($lasttime);
+ $lasttime=[&gettimeofday()];
+ }
+ my $spacing=' 'x$Apache::lonxml::depth;
my $curdepth=join('_',@Apache::lonxml::depthcounter);
- &Apache::lonxml::debug("e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n");
+ &Apache::lonxml::debug("e$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1] : $time : ".&tv_interval($timer)."\n");
#print "<br />e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n";
}
-sub get_all_text {
+sub get_id {
+ my ($parstack,$safeeval)=@_;
+ my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
+ if ($env{'request.state'} eq 'construct' && $id =~ /(\.|_)/) {
+ &error(&mt("IDs are not allowed to contain "<tt>_</tt>" or "<tt>.</tt>""));
+ }
+ if ($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')) {
+ if ($token->[0] eq 'T' && $token->[2]) {
+ $result.='<![CDATA['.$token->[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
+}
- my($tag,$pars)= @_;
- my $depth=0;
- my $token;
- my $result='';
- if ( $tag =~ m:^/: ) {
- my $tag=substr($tag,1);
-# &Apache::lonxml::debug("have:$tag:");
- while (($depth >=0) && ($token = $pars->get_token)) {
-# &Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]");
- 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') {
- if ($token->[1] eq $tag) { $depth++; }
- $result.=$token->[4];
- } elsif ($token->[0] eq 'E') {
- if ( $token->[1] eq $tag) { $depth--; }
- #skip sending back the last end tag
- if ($depth > -1) { $result.=$token->[2]; } else {
- $pars->unget_token($token);
- }
- }
- }
- } else {
- while ($token = $pars->get_token) {
-# &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];
- } elsif ($token->[0] eq 'PI') {
- $result.=$token->[2];
- } elsif ($token->[0] eq 'S') {
- if ( $token->[1] eq $tag) {
- $pars->unget_token($token); last;
- } else {
- $result.=$token->[4];
- }
- } elsif ($token->[0] eq 'E') {
- $result.=$token->[2];
- }
- }
- }
-# &Apache::lonxml::debug("Exit:$result:");
- return $result
+sub increment_counter {
+ my ($increment) = @_;
+ if (defined($increment) && $increment gt 0) {
+ $Apache::lonxml::counter+=$increment;
+ } else {
+ $Apache::lonxml::counter++;
+ }
+ $Apache::lonxml::counter_changed=1;
+}
+
+sub init_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;
+ $Apache::lonxml::counter_changed=1;
+ }
+}
+
+sub store_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();
+ $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();
+ return $env{'form.counter'};
+ }
+}
+
+sub get_all_text {
+ my($tag,$pars,$style)= @_;
+ my $gotfullstack=1;
+ if (ref($pars) ne 'ARRAY') {
+ $gotfullstack=0;
+ $pars=[$pars];
+ }
+ if (ref($style) ne 'HASH') {
+ $style={};
+ }
+ my $depth=0;
+ my $token;
+ my $result='';
+ if ( $tag =~ m:^/: ) {
+ my $tag=substr($tag,1);
+ #&Apache::lonxml::debug("have:$tag:");
+ my $top_empty=0;
+ while (($depth >=0) && ($#$pars > -1) && (!$top_empty)) {
+ 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')||($token->[0] eq 'D')) {
+ if ($token->[2]) {
+ $result.='<![CDATA['.$token->[1].']]>';
+ } else {
+ $result.=$token->[1];
+ }
+ } elsif ($token->[0] eq 'PI') {
+ $result.=$token->[2];
+ } elsif ($token->[0] eq 'S') {
+ if ($token->[1] =~ /^\Q$tag\E$/i) { $depth++; }
+ if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/) { $Apache::lonxml::usestyle=1; }
+ if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/) { $Apache::lonxml::usestyle=0; }
+ $result.=$token->[4];
+ } elsif ($token->[0] eq 'E') {
+ if ( $token->[1] =~ /^\Q$tag\E$/i) { $depth--; }
+ #skip sending back the last end tag
+ if ($depth == 0 && exists($$style{'/'.$token->[1]}) && $Apache::lonxml::usestyle) {
+ my $string=
+ '<LONCAPA_INTERNAL_TURN_STYLE_OFF end="yes" />'.
+ $$style{'/'.$token->[1]}.
+ $token->[2].
+ '<LONCAPA_INTERNAL_TURN_STYLE_ON />';
+ &Apache::lonxml::newparser($pars,\$string);
+ #&Apache::lonxml::debug("reParsing $string");
+ next;
+ }
+ if ($depth > -1) {
+ $result.=$token->[2];
+ } else {
+ $$pars[-1]->unget_token($token);
+ }
+ }
+ }
+ if (($depth >=0) && ($#$pars == 0) ) { $top_empty=1; }
+ if (($depth >=0) && ($#$pars > 0) ) {
+ pop(@$pars);
+ pop(@Apache::lonxml::pwd);
+ }
+ }
+ if ($top_empty && $depth >= 0) {
+ #never found the end tag ran out of text, throw error send back blank
+ &error('Never found end tag for <'.$tag.
+ '> current string <pre>'.
+ &HTML::Entities::encode($result,'<>&"').
+ '</pre>');
+ if ($gotfullstack) {
+ my $newstring='</'.$tag.'>'.$result;
+ &Apache::lonxml::newparser($pars,\$newstring);
+ }
+ $result='';
+ }
+ } else {
+ while ($#$pars > -1) {
+ while ($token = $$pars[-1]->get_token) {
+ #&Apache::lonxml::debug("s token:$token->[0]:$depth:$token->[1]");
+ if (($token->[0] eq 'T')||($token->[0] eq 'C')||
+ ($token->[0] eq 'D')) {
+ if ($token->[2]) {
+ $result.='<![CDATA['.$token->[1].']]>';
+ } else {
+ $result.=$token->[1];
+ }
+ } elsif ($token->[0] eq 'PI') {
+ $result.=$token->[2];
+ } elsif ($token->[0] eq 'S') {
+ if ( $token->[1] =~ /^\Q$tag\E$/i) {
+ $$pars[-1]->unget_token($token); last;
+ } else {
+ $result.=$token->[4];
+ }
+ if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/) { $Apache::lonxml::usestyle=1; }
+ if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/) { $Apache::lonxml::usestyle=0; }
+ } elsif ($token->[0] eq 'E') {
+ $result.=$token->[2];
+ }
+ }
+ if (($#$pars > 0) ) {
+ pop(@$pars);
+ pop(@Apache::lonxml::pwd);
+ } else { last; }
+ }
+ }
+ #&Apache::lonxml::debug("Exit:$result:");
+ return $result
}
sub newparser {
my ($parser,$contentref,$dir) = @_;
- push (@$parser,HTML::TokeParser->new($contentref));
- $$parser['-1']->xml_mode('1');
+ push (@$parser,HTML::LCParser->new($contentref));
+ $$parser[-1]->xml_mode(1);
+ $$parser[-1]->marked_sections(1);
if ( $dir eq '' ) {
push (@Apache::lonxml::pwd, $Apache::lonxml::pwd[$#Apache::lonxml::pwd]);
} else {
push (@Apache::lonxml::pwd, $dir);
}
-# &Apache::lonxml::debug("pwd:$#Apache::lonxml::pwd");
-# &Apache::lonxml::debug("pwd:$Apache::lonxml::pwd[$#Apache::lonxml::pwd]");
}
sub parstring {
my ($token) = @_;
my $temp='';
- map {
+ foreach (@{$token->[3]}) {
unless ($_=~/\W/) {
my $val=$token->[2]->{$_};
- $val =~ s/([\%\@\\])/\\$1/g;
+ $val =~ s/([\%\@\\\"\'])/\\$1/g;
+ $val =~ s/(\$[^{a-zA-Z_])/\\$1/g;
+ $val =~ s/(\$)$/\\$1/;
#if ($val =~ m/^[\%\@]/) { $val="\\".$val; }
- $temp .= "my \$$_=\"$val\";"
+ $temp .= "my \$$_=\"$val\";";
}
- } @{$token->[3]};
+ }
return $temp;
}
+sub extlink {
+ my ($res,$exact)=@_;
+ if (!$exact) {
+ $res=&Apache::lonnet::hreflocation($Apache::lonxml::pwd[-1],$res);
+ }
+ push(@Apache::lonxml::extlinks,$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=();
- map {
+ foreach (@extlinks) {
$httpref{'httpref.'.
&Apache::lonnet::hreflocation($thisdir,$_)}=$thisurl;
- } @extlinks;
+ }
@extlinks=();
&Apache::lonnet::appenv(%httpref);
}
+sub register_ssi {
+ my ($url,%form)=@_;
+ push (@Apache::lonxml::ssi_info,{'url'=>$url,'form'=>\%form});
+ return '';
+}
+
+sub do_registered_ssi {
+ foreach my $info (@Apache::lonxml::ssi_info) {
+ my %form=%{ $info->{'form'}};
+ my $url=$info->{'url'};
+ &Apache::lonnet::ssi($url,%form);
+ }
+}
#
# Afterburner handles anchors, highlights and links
#
sub afterburn {
my $result=shift;
- map {
- my ($name, $value) = split(/=/,$_);
- $value =~ tr/+/ /;
- $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
- if (($name eq 'highlight')||($name eq 'anchor')||($name eq 'link')) {
- unless ($ENV{'form.'.$name}) {
- $ENV{'form.'.$name}=$value;
- }
- }
- } (split(/&/,$ENV{'QUERY_STRING'}));
- if ($ENV{'form.highlight'}) {
- map {
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['highlight','anchor','link']);
+ if ($env{'form.highlight'}) {
+ foreach (split(/\,/,$env{'form.highlight'})) {
my $anchorname=$_;
my $matchthis=$anchorname;
$matchthis=~s/\_+/\\s\+/g;
- $result=~s/($matchthis)/\<font color=\"red\"\>$1\<\/font\>/gs;
- } split(/\,/,$ENV{'form.highlight'});
+ $result=~s/(\Q$matchthis\E)/\<font color=\"red\"\>$1\<\/font\>/gs;
+ }
}
- if ($ENV{'form.link'}) {
- map {
+ if ($env{'form.link'}) {
+ foreach (split(/\,/,$env{'form.link'})) {
my ($anchorname,$linkurl)=split(/\>/,$_);
my $matchthis=$anchorname;
$matchthis=~s/\_+/\\s\+/g;
- $result=~s/($matchthis)/\<a href=\"$linkurl\"\>$1\<\/a\>/gs;
- } split(/\,/,$ENV{'form.link'});
+ $result=~s/(\Q$matchthis\E)/\<a href=\"$linkurl\"\>$1\<\/a\>/gs;
+ }
}
- if ($ENV{'form.anchor'}) {
- my $anchorname=$ENV{'form.anchor'};
+ if ($env{'form.anchor'}) {
+ my $anchorname=$env{'form.anchor'};
my $matchthis=$anchorname;
$matchthis=~s/\_+/\\s\+/g;
- $result=~s/($matchthis)/\<a name=\"$anchorname\"\>$1\<\/a\>/s;
+ $result=~s/(\Q$matchthis\E)/\<a name=\"$anchorname\"\>$1\<\/a\>/s;
$result.=(<<"ENDSCRIPT");
-<script>
+<script type="text/javascript">
document.location.hash='$anchorname';
</script>
ENDSCRIPT
@@ -955,167 +1279,430 @@ ENDSCRIPT
sub storefile {
my ($file,$contents)=@_;
+ &Apache::lonnet::correct_line_ends(\$contents);
if (my $fh=Apache::File->new('>'.$file)) {
print $fh $contents;
$fh->close();
+ return 1;
+ } else {
+ &warning("Unable to save file $file");
+ return 0;
}
}
-sub inserteditinfo {
- my ($result,$filecontents)=@_;
- unless ($filecontents) {
- $filecontents=(<<SIMPLECONTENT);
+sub createnewhtml {
+ my $title=&mt('Title of document goes here');
+ my $body=&mt('Body of document goes here');
+ my $filecontents=(<<SIMPLECONTENT);
<html>
<head>
-<title>
- Title of Document Goes Here
-</title>
+<title>$title</title>
</head>
<body bgcolor="#FFFFFF">
-
- Body of Document Goes Here
-
+$body
</body>
</html>
SIMPLECONTENT
+ return $filecontents;
+}
+
+sub createnewsty {
+ my $filecontents=(<<SIMPLECONTENT);
+<definetag name="">
+ <render>
+ <web></web>
+ <tex></tex>
+ </render>
+</definetag>
+SIMPLECONTENT
+ return $filecontents;
+}
+
+
+sub inserteditinfo {
+ my ($result,$filecontents,$filetype)=@_;
+ $filecontents = &HTML::Entities::encode($filecontents,'<>&"');
+# my $editheader='<a href="#editsection">Edit below</a><hr />';
+ my $xml_help = '';
+ my $initialize='';
+ if ($filetype eq 'html') {
+ my $addbuttons=&Apache::lonhtmlcommon::htmlareaaddbuttons();
+ $initialize=&Apache::lonhtmlcommon::htmlareaheaders().
+ &Apache::lonhtmlcommon::spellheader();
+ if (!&Apache::lonhtmlcommon::htmlareablocked() &&
+ &Apache::lonhtmlcommon::htmlareabrowser()) {
+ $initialize.=(<<FULLPAGE);
+<script type="text/javascript">
+$addbuttons
+
+ HTMLArea.loadPlugin("FullPage");
+
+ function initDocument() {
+ var editor=new HTMLArea("filecont",config);
+ editor.registerPlugin(FullPage);
+ editor.generate();
+ }
+</script>
+FULLPAGE
+ } else {
+ $initialize.=(<<FULLPAGE);
+<script type="text/javascript">
+$addbuttons
+ function initDocument() {
+ }
+</script>
+FULLPAGE
+ }
+ $result=~s/\<body([^\>]*)\>/\<body onload="initDocument()" $1\>/i;
+ $xml_help=&Apache::loncommon::helpLatexCheatsheet();
}
- my $editheader='<a href="#editsection">Edit below</a><hr />';
+ my $cleanbut = '';
+
+ my $titledisplay=&display_title();
+ my %lt=&Apache::lonlocal::texthash('st' => 'Save this',
+ 'vi' => 'View',
+ 'ed' => 'Edit');
+ my $buttons=(<<BUTTONS);
+$cleanbut
+<input type="submit" name="savethisfile" accesskey="s" value="$lt{'st'}" />
+<input type="submit" name="viewmode" accesskey="v" value="$lt{'vi'}" />
+BUTTONS
+ $buttons.=&Apache::lonhtmlcommon::spelllink('xmledit','filecont');
+ $buttons.=&Apache::lonhtmlcommon::htmlareaselectactive('filecont');
my $editfooter=(<<ENDFOOTER);
+$initialize
<hr />
<a name="editsection" />
-<form method="post">
-<textarea cols="80" rows="40" name="filecont">$filecontents</textarea>
+<form method="post" name="xmledit">
+$xml_help
+<input type="hidden" name="editmode" value="$lt{'ed'}" />
+$buttons<br />
+<textarea style="width:100%" cols="80" rows="44" name="filecont" id="filecont">$filecontents</textarea>
+<br />$buttons
<br />
-<input type="submit" name="attemptclean"
- value="Save and then attempt to clean HTML" />
-<input type="submit" name="savethisfile" value="Save this" />
</form>
+$titledisplay
+</body>
ENDFOOTER
- $result=~s/(\<body[^\>]*\>)/$1$editheader/is;
+# $result=~s/(\<body[^\>]*\>)/$1$editheader/is;
$result=~s/(\<\/body\>)/$editfooter/is;
return $result;
}
-sub handler {
- my $request=shift;
-
- my $target='web';
-
- $Apache::lonxml::debug=0;
-
- if ($ENV{'browser.mathml'}) {
- $request->content_type('text/xml');
+sub get_target {
+ my $viewgrades=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
+ if ( $env{'request.state'} eq 'published') {
+ if ( defined($env{'form.grade_target'})
+ && ($viewgrades == 'F' )) {
+ return ($env{'form.grade_target'});
+ } elsif (defined($env{'form.grade_target'})) {
+ if (($env{'form.grade_target'} eq 'web') ||
+ ($env{'form.grade_target'} eq 'tex') ) {
+ return $env{'form.grade_target'}
+ } else {
+ return 'web';
+ }
+ } else {
+ return 'web';
+ }
+ } elsif ($env{'request.state'} eq 'construct') {
+ if ( defined($env{'form.grade_target'})) {
+ return ($env{'form.grade_target'});
+ } else {
+ return 'web';
+ }
} else {
- $request->content_type('text/html');
+ return 'web';
}
- &Apache::loncommon::no_cache($request);
- $request->send_http_header;
-
- return OK if $request->header_only;
+}
+sub handler {
+ my $request=shift;
+
+ my $target=&get_target();
+
+ $Apache::lonxml::debug=$env{'user.debug'};
+
+ &Apache::loncommon::content_type($request,'text/html');
+ &Apache::loncommon::no_cache($request);
+ if ($env{'request.state'} eq 'published') {
+ $request->set_last_modified(&Apache::lonnet::metadata($request->uri,
+ 'lastrevisiondate'));
+ }
+ $request->send_http_header;
+
+ return OK if $request->header_only;
- my $file=&Apache::lonnet::filelocation("",$request->uri);
+
+ my $file=&Apache::lonnet::filelocation("",$request->uri);
+ my $filetype;
+ if ($file =~ /\.sty$/) {
+ $filetype='sty';
+ } else {
+ $filetype='html';
+ }
#
# Edit action? Save file.
#
- unless ($ENV{'request.state'} eq 'published') {
- if (($ENV{'form.savethisfile'}) || ($ENV{'form.attemptclean'})) {
- &storefile($file,$ENV{'form.filecont'});
- }
- }
- my %mystyle;
- my $result = '';
- my $filecontents=&Apache::lonnet::getfile($file);
- if ($filecontents == -1) {
- $result=(<<ENDNOTFOUND);
+ unless ($env{'request.state'} eq 'published') {
+ if ($env{'form.savethisfile'}) {
+ if (&storefile($file,$env{'form.filecont'})) {
+ &Apache::lonxml::info("<font COLOR=\"#0000FF\">".
+ &mt('Updated').": ".
+ &Apache::lonlocal::locallocaltime(time).
+ " </font>");
+ }
+ }
+ }
+ my %mystyle;
+ my $result = '';
+ my $filecontents=&Apache::lonnet::getfile($file);
+ if ($filecontents eq -1) {
+ my $bodytag=&Apache::loncommon::bodytag('File Error');
+ my $fnf=&mt('File not found');
+ $result=(<<ENDNOTFOUND);
<html>
<head>
-<title>File not found</title>
+<title>$fnf</title>
</head>
-<body bgcolor="#FFFFFF">
-<b>File not found: $file</b>
+$bodytag
+<b>$fnf: $file</b>
</body>
</html>
ENDNOTFOUND
- $filecontents='';
- } else {
- unless ($ENV{'request.state'} eq 'published') {
- if ($ENV{'form.attemptclean'}) {
- $filecontents=&htmlclean($filecontents,1);
- }
- }
- $result = &Apache::lonxml::xmlparse($target,$filecontents,'',%mystyle);
- }
-
+ $filecontents='';
+ if ($env{'request.state'} ne 'published') {
+ if ($filetype eq 'sty') {
+ $filecontents=&createnewsty();
+ } else {
+ $filecontents=&createnewhtml();
+ }
+ $env{'form.editmode'}='Edit'; #force edit mode
+ }
+ } else {
+ unless ($env{'request.state'} eq 'published') {
+ if ($filecontents=~/BEGIN LON-CAPA Internal/) {
+ &Apache::lonxml::error(&mt('This file appears to be a rendering of a LON-CAPA resource. If this is correct, this resource will act very oddly and incorrectly.'));
+ }
+#
+# we are in construction space, see if edit mode forced
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['editmode']);
+ }
+ if (!$env{'form.editmode'} || $env{'form.viewmode'}) {
+ $result = &Apache::lonxml::xmlparse($request,$target,$filecontents,
+ '',%mystyle);
+ undef($Apache::lonhomework::parsing_a_task);
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['rawmode']);
+ if ($env{'form.rawmode'}) { $result = $filecontents; }
+ }
+ }
+
#
# Edit action? Insert editing commands
#
- unless ($ENV{'request.state'} eq 'published') {
- $result=&inserteditinfo($result,$filecontents);
- }
-
- writeallows($request->uri);
-
- $request->print($result);
+ unless ($env{'request.state'} eq 'published') {
+ if ($env{'form.editmode'} && (!($env{'form.viewmode'}))) {
+ my $displayfile=$request->uri;
+ $displayfile=~s/^\/[^\/]*//;
+ my $bodytag='<body bgcolor="#FFFFFF">';
+ if ($env{'environment.remote'} eq 'off') {
+ $bodytag=&Apache::loncommon::bodytag();
+ }
+ $result='<html>'.$bodytag.
+ &Apache::lonxml::message_location().'<h3>'.
+ $displayfile.
+ '</h3></body></html>';
+ $result=&inserteditinfo($result,$filecontents,$filetype);
+ }
+ }
+ if ($filetype eq 'html') { writeallows($request->uri); }
+
+
+ &Apache::lonxml::add_messages(\$result);
+ $request->print($result);
+
+ return OK;
+}
- return OK;
+sub display_title {
+ my $result;
+ if ($env{'request.state'} eq 'construct') {
+ my $title=&Apache::lonnet::gettitle();
+ if (!defined($title) || $title eq '') {
+ $title = $env{'request.filename'};
+ $title = substr($title, rindex($title, '/') + 1);
+ }
+ $result = "<script type='text/javascript'>top.document.title = '$title - LON-CAPA Construction Space';</script>";
+ }
+ return $result;
}
-
+
sub debug {
- if ($Apache::lonxml::debug eq 1) {
- print("DEBUG:".$_[0]."<br />\n");
- }
+ if ($Apache::lonxml::debug eq "1") {
+ $|=1;
+ my $request=$Apache::lonxml::request;
+ if (!$request) {
+ eval { $request=Apache->request; };
+ }
+ if (!$request) {
+ eval { $request=Apache2::RequestUtil->request; };
+ }
+ $request->print('<font size="-2"><pre>DEBUG:'.&HTML::Entities::encode($_[0],'<>&"')."</pre></font>\n");
+ #&Apache::lonnet::logthis($_[0]);
+ }
}
-sub error {
- if (($Apache::lonxml::debug eq 1) || ($ENV{'request.state'} eq 'construct') ) {
- print "<b>ERROR:</b>".$_[0]."<br />\n";
- } else {
- print "<b>An Error occured while processing this resource. The instructor has been notified.</b> <br />";
- #notify author
- &Apache::lonmsg::author_res_msg($ENV{'request.filename'},$_[0]);
- #notify course
- if ( $ENV{'request.course.id'} ) {
- my $users=$ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'};
- foreach my $user (split /\,/, $users) {
- ($user,my $domain) = split /:/, $user;
- &Apache::lonmsg::user_normal_msg($user,$domain,"Error in $ENV{'request.filename'}",$_[0]);
- }
+sub show_error_warn_msg {
+ if ($env{'request.filename'} eq '/home/httpd/html/res/lib/templates/simpleproblem.problem' &&
+ &Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
+ return 1;
}
+ return (($Apache::lonxml::debug eq 1) ||
+ ($env{'request.state'} eq 'construct') ||
+ ($Apache::lonhomework::browse eq 'F'
+ &&
+ $env{'form.show_errors'} eq 'on'));
+}
- #FIXME probably shouldn't have me get everything forever.
- &Apache::lonmsg::user_normal_msg('albertel','msu',"Error in $ENV{'request.filename'}",$_[0]);
- #&Apache::lonmsg::user_normal_msg('albertel','103',"Error in $ENV{'request.filename'}",$_[0]);
- }
+sub error {
+ $errorcount++;
+ if ( &show_error_warn_msg() ) {
+ # If printing in construction space, put the error inside <pre></pre>
+ push(@Apache::lonxml::error_messages,
+ $Apache::lonxml::warnings_error_header.
+ "<b>ERROR:</b>".join("<br />\n",@_)."<br />\n");
+ $Apache::lonxml::warnings_error_header='';
+ } else {
+ my $errormsg;
+ my ($symb)=&Apache::lonnet::symbread();
+ if ( !$symb ) {
+ #public or browsers
+ $errormsg=&mt("An error occured while processing this resource. The author has been notified.");
+ }
+ #notify author
+ &Apache::lonmsg::author_res_msg($env{'request.filename'},join('<br />',@_));
+ #notify course
+ if ( $symb && $env{'request.course.id'} ) {
+ my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'};
+ my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
+ my (undef,%users)=&Apache::lonfeedback::decide_receiver(undef,0,1,1,1);
+ my $declutter=&Apache::lonnet::declutter($env{'request.filename'});
+ my @userlist;
+ foreach (keys %users) {
+ my ($user,$domain) = split(/:/, $_);
+ push(@userlist,"$user\@$domain");
+ my $key=$declutter.'_'.$user.'_'.$domain;
+ my %lastnotified=&Apache::lonnet::get('nohist_xmlerrornotifications',
+ [$key],
+ $cdom,$cnum);
+ my $now=time;
+ if ($now-$lastnotified{$key}>86400) {
+ &Apache::lonmsg::user_normal_msg($user,$domain,
+ "Error [$declutter]",join('<br />',@_));
+ &Apache::lonnet::put('nohist_xmlerrornotifications',
+ {$key => $now},
+ $cdom,$cnum);
+ }
+ }
+ if ($env{'request.role.adv'}) {
+ $errormsg=&mt("An error occured while processing this resource. The course personnel ([_1]) and the author have been notified.",join(', ',@userlist));
+ } else {
+ $errormsg=&mt("An error occured while processing this resource. The instructor has been notified.");
+ }
+ }
+ push(@Apache::lonxml::error_messages,"<b>$errormsg</b> <br />");
+ }
}
sub warning {
- if ($ENV{'request.state'} eq 'construct') {
- print "<b>W</b>ARNING<b>:</b>".$_[0]."<br />\n";
- }
+ $warningcount++;
+
+ if ($env{'form.grade_target'} ne 'tex') {
+ if ( &show_error_warn_msg() ) {
+ push(@Apache::lonxml::warning_messages,
+ $Apache::lonxml::warnings_error_header.
+ "<b>W</b>ARNING<b>:</b>".join('<br />',@_)."<br />\n");
+ $Apache::lonxml::warnings_error_header='';
+ }
+ }
+}
+
+sub info {
+ if ($env{'form.grade_target'} ne 'tex'
+ && $env{'request.state'} eq 'construct') {
+ push(@Apache::lonxml::info_messages,join('<br />',@_)."<br />\n");
+ }
+}
+
+sub message_location {
+ return '__LONCAPA_INTERNAL_MESSAGE_LOCATION__';
+}
+
+sub add_messages {
+ my ($msg)=@_;
+ my $result=join(' ',
+ @Apache::lonxml::info_messages,
+ @Apache::lonxml::error_messages,
+ @Apache::lonxml::warning_messages);
+ undef(@Apache::lonxml::info_messages);
+ undef(@Apache::lonxml::error_messages);
+ undef(@Apache::lonxml::warning_messages);
+ $$msg=~s/__LONCAPA_INTERNAL_MESSAGE_LOCATION__/$result/;
+ $$msg=~s/__LONCAPA_INTERNAL_MESSAGE_LOCATION__//g;
}
sub get_param {
- my ($param,$parstack,$safeeval,$context) = @_;
- if ( ! $context ) { $context = -1; }
- my $args ='';
- if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; }
- if ( $args =~ /my \$$param=\"/ ) {
- return &Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #'
- } else {
- return undef;
- }
+ my ($param,$parstack,$safeeval,$context,$case_insensitive) = @_;
+ if ( ! $context ) { $context = -1; }
+ my $args ='';
+ if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; }
+ if ( ! $Apache::lonxml::usestyle ) {
+ $args=$Apache::lonxml::style_values.$args;
+ }
+ if ( ! $args ) { return undef; }
+ if ( $case_insensitive ) {
+ if ($args =~ s/(my \$)(\Q$param\E)(=\")/$1.lc($2).$3/ei) {
+ return &Apache::run::run("{$args;".'return $'.$param.'}',
+ $safeeval); #'
+ } else {
+ return undef;
+ }
+ } else {
+ if ( $args =~ /my \$\Q$param\E=\"/ ) {
+ return &Apache::run::run("{$args;".'return $'.$param.'}',
+ $safeeval); #'
+ } else {
+ return undef;
+ }
+ }
}
sub get_param_var {
- my ($param,$parstack,$safeeval,$context) = @_;
+ my ($param,$parstack,$safeeval,$context,$case_insensitive) = @_;
if ( ! $context ) { $context = -1; }
my $args ='';
if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; }
- if ( $args !~ /my \$$param=\"/ ) { return undef; }
+ if ( ! $Apache::lonxml::usestyle ) {
+ $args=$Apache::lonxml::style_values.$args;
+ }
+ &Apache::lonxml::debug("Args are $args param is $param");
+ if ($case_insensitive) {
+ if (! ($args=~s/(my \$)(\Q$param\E)(=\")/$1.lc($2).$3/ei)) {
+ return undef;
+ }
+ } elsif ( $args !~ /my \$\Q$param\E=\"/ ) { return undef; }
my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #'
- if ($value =~ /^[\$\@\%]/) {
- return &Apache::run::run("return $value",$safeeval,1);
+ &Apache::lonxml::debug("first run is $value");
+ if ($value =~ /^[\$\@\%][a-zA-Z_]\w*$/) {
+ &Apache::lonxml::debug("doing second");
+ my @result=&Apache::run::run("return $value",$safeeval,1);
+ if (!defined($result[0])) {
+ return $value
+ } else {
+ if (wantarray) { return @result; } else { return $result[0]; }
+ }
} else {
return $value;
}
@@ -1130,7 +1717,7 @@ sub register_insert {
my $line = $data[$i];
if ( $line =~ /^\#/ || $line =~ /^\s*\n/) { next; }
if ( $line =~ /TABLE/ ) { last; }
- my ($tag,$descrip,$color,$function,$show) = split(/,/, $line);
+ my ($tag,$descrip,$color,$function,$show,$helpfile,$helpdesc) = split(/,/, $line);
if ($tag) {
$insertlist{"$tagnum.tag"} = $tag;
$insertlist{"$tagnum.description"} = $descrip;
@@ -1138,6 +1725,8 @@ sub register_insert {
$insertlist{"$tagnum.function"} = $function;
if (!defined($show)) { $show='yes'; }
$insertlist{"$tagnum.show"}= $show;
+ $insertlist{"$tagnum.helpfile"} = $helpfile;
+ $insertlist{"$tagnum.helpdesc"} = $helpdesc;
$insertlist{"$tag.num"}=$tagnum;
$tagnum++;
}
@@ -1148,7 +1737,7 @@ sub register_insert {
my $line = $data[$i];
my ($mnemonic,@which) = split(/ +/,$line);
my $tag = $insertlist{"$tagnum.tag"};
- for (my $j=0;$j <$#which;$j++) {
+ for (my $j=0;$j <=$#which;$j++) {
if ( $which[$j] eq 'Y' ) {
if ($insertlist{"$j.show"} ne 'no') {
push(@{ $insertlist{"$tag.which"} },$j);
@@ -1161,7 +1750,29 @@ sub register_insert {
sub description {
my ($token)=@_;
- return $insertlist{$insertlist{"$token->[1].num"}.'.description'};
+ my $tagnum;
+ my $tag=$token->[1];
+ foreach my $namespace (reverse @Apache::lonxml::namespace) {
+ my $testtag=$namespace.'::'.$tag;
+ $tagnum=$insertlist{"$testtag.num"};
+ if (defined($tagnum)) { last; }
+ }
+ if (!defined ($tagnum)) { $tagnum=$Apache::lonxml::insertlist{"$tag.num"}; }
+ return $insertlist{$tagnum.'.description'};
+}
+
+# Returns a list containing the help file, and the description
+sub helpinfo {
+ my ($token)=@_;
+ my $tagnum;
+ my $tag=$token->[1];
+ foreach my $namespace (reverse @Apache::lonxml::namespace) {
+ my $testtag=$namespace.'::'.$tag;
+ $tagnum=$insertlist{"$testtag.num"};
+ if (defined($tagnum)) { last; }
+ }
+ if (!defined ($tagnum)) { $tagnum=$Apache::lonxml::insertlist{"$tag.num"}; }
+ return ($insertlist{$tagnum.'.helpfile'}, $insertlist{$tagnum.'.helpdesc'});
}
# ----------------------------------------------------------------- whichuser
@@ -1169,23 +1780,41 @@ sub description {
# calls to lonnet functions for this setup.
# - looks for form.grade_ parameters
sub whichuser {
- my ($symb,$courseid,$domain,$name);
- if (defined($ENV{'form.grade_symb'})) {
- my $tmp_courseid=$ENV{'form.grade_courseid'};
- my $allowed=&Apache::lonnet::allowed('mgr',$tmp_courseid);
- if ($allowed) {
- $symb=$ENV{'form.grade_symb'};
- $courseid=$ENV{'form.grade_courseid'};
- $domain=$ENV{'form.grade_domain'};
- $name=$ENV{'form.grade_username'};
- }
+ 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=&Apache::lonnet::symbread();
- $courseid=$ENV{'request.course.id'};
- $domain=$ENV{'user.domain'};
- $name=$ENV{'user.name'};
+ $symb=$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);
+ return ($symb,$courseid,$domain,$name,$publicuser);
}
1;