version 1.91, 2001/06/12 21:10:22
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version 1.458, 2007/09/11 20:36:18
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# XML Parser Module |
# XML Parser Module |
# |
# |
# last modified 06/26/00 by Alexander Sakharuk |
# $Id$ |
# 11/6 Gerd Kortemeyer |
# |
# 6/1/1 Gerd Kortemeyer |
# Copyright Michigan State University Board of Trustees |
# 2/21,3/13 Guy |
# |
# 3/29,5/4 Gerd Kortemeyer |
# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
# 5/10 Scott Harrison |
# |
# 5/26 Gerd Kortemeyer |
# LON-CAPA is free software; you can redistribute it and/or modify |
# 5/27 H. K. Ng |
# it under the terms of the GNU General Public License as published by |
# 6/2,6/3,6/8,6/9 Gerd Kortemeyer |
# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
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# Copyright for TtHfunc and TtMfunc by Ian Hutchinson. |
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# TtHfunc and TtMfunc (the "Code") may be compiled and linked into |
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# binary executable programs or libraries distributed by the |
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# Michigan State University (the "Licensee"), but any binaries so |
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# distributed are hereby licensed only for use in the context |
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# of a program or computational system for which the Licensee is the |
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# primary author or distributor, and which performs substantial |
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# additional tasks beyond the translation of (La)TeX into HTML. |
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# The C source of the Code may not be distributed by the Licensee |
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# to any other parties under any circumstances. |
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# |
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package Apache::lonxml; |
package Apache::lonxml; |
use vars |
use vars |
qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace); |
qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $errorcount $warningcount); |
use strict; |
use strict; |
use HTML::TokeParser; |
use LONCAPA; |
use Safe; |
use HTML::LCParser(); |
use Safe::Hole; |
use HTML::TreeBuilder(); |
use Math::Cephes qw(:trigs :hypers :bessels erf erfc); |
use HTML::Entities(); |
use Math::Random qw(:all); |
use Safe(); |
use Opcode; |
use Safe::Hole(); |
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use Math::Cephes(); |
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use Math::Random(); |
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use Opcode(); |
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use POSIX qw(strftime); |
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use Time::HiRes qw( gettimeofday tv_interval ); |
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use Symbol(); |
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sub register { |
sub register { |
my $space; |
my ($space,@taglist) = @_; |
my @taglist; |
foreach my $temptag (@taglist) { |
my $temptag; |
push(@{ $Apache::lonxml::alltags{$temptag} },$space); |
($space,@taglist) = @_; |
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foreach $temptag (@taglist) { |
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$Apache::lonxml::alltags{$temptag}=$space; |
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} |
} |
} |
} |
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sub deregister { |
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my ($space,@taglist) = @_; |
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foreach my $temptag (@taglist) { |
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my $tempspace = $Apache::lonxml::alltags{$temptag}[-1]; |
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if ($tempspace eq $space) { |
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pop(@{ $Apache::lonxml::alltags{$temptag} }); |
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} |
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} |
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#&printalltags(); |
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} |
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use Apache::Constants qw(:common); |
use Apache::Constants qw(:common); |
use Apache::lontexconvert; |
use Apache::lontexconvert(); |
use Apache::style; |
use Apache::style(); |
use Apache::run; |
use Apache::run(); |
use Apache::londefdef; |
use Apache::londefdef(); |
use Apache::scripttag; |
use Apache::scripttag(); |
use Apache::edit; |
use Apache::languagetags(); |
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use Apache::edit(); |
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use Apache::inputtags(); |
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use Apache::outputtags(); |
use Apache::lonnet; |
use Apache::lonnet; |
use Apache::File; |
use Apache::File(); |
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use Apache::loncommon(); |
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use Apache::lonfeedback(); |
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use Apache::lonmsg(); |
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use Apache::loncacc(); |
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use Apache::lonmaxima(); |
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use Apache::lonlocal; |
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#================================================== Main subroutine: xmlparse |
#================================================== Main subroutine: xmlparse |
#debugging control, to turn on debugging modify the correct handler |
#debugging control, to turn on debugging modify the correct handler |
$Apache::lonxml::debug=0; |
$Apache::lonxml::debug=0; |
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# keeps count of the number of warnings and errors generated in a parse |
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$warningcount=0; |
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$errorcount=0; |
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#path to the directory containing the file currently being processed |
#path to the directory containing the file currently being processed |
@pwd=(); |
@pwd=(); |
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Line 68 $evaluate = 1;
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Line 122 $evaluate = 1;
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# data structure for eidt mode, determines what tags can go into what other tags |
# data structure for eidt mode, determines what tags can go into what other tags |
%insertlist=(); |
%insertlist=(); |
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#stores the list of active tag namespaces |
# stores the list of active tag namespaces |
@namespace=(); |
@namespace=(); |
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sub xmlbegin { |
# stores all Scrit Vars displays for later showing |
my $output=''; |
my @script_var_displays=(); |
if ($ENV{'browser.mathml'}) { |
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$output='<?xml version="1.0"?>' |
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.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>' |
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.'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" ' |
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.'[<!ENTITY mathns "http://www.w3.org/1998/Math/MathML">]>' |
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.'<html xmlns:math="http://www.w3.org/1998/Math/MathML" ' |
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.'xmlns="http://www.w3.org/TR/REC-html40">'; |
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} else { |
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$output='<html>'; |
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} |
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return $output; |
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} |
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sub xmlend { |
# a pointer the the Apache request object |
return '</html>'; |
$Apache::lonxml::request=''; |
} |
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sub fontsettings() { |
# a problem number counter, and check on ether it is used |
my $headerstring=''; |
$Apache::lonxml::counter=1; |
if (($ENV{'browser.os'} eq 'mac') && (!$ENV{'browser.mathml'})) { |
$Apache::lonxml::counter_changed=0; |
$headerstring.= |
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'<meta Content-Type="text/html; charset=x-mac-roman">'; |
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} |
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return $headerstring; |
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} |
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sub registerurl { |
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if ($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) { |
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my $hwkadd=''; |
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if ($ENV{'REQUEST_URI'}=~/\.(problem|exam|quiz|assess|survey|form)$/) { |
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if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) { |
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$hwkadd.=(<<ENDSUBM); |
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menu.switchbutton |
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(7,1,'subm.gif','view sub','missions', |
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'gocmd("/adm/grades","submission")'); |
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ENDSUBM |
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} |
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if (&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) { |
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$hwkadd.=(<<ENDGRDS); |
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menu.switchbutton |
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(7,2,'pgrd.gif','problem','grades', |
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'gocmd("/adm/grades","viewgrades")'); |
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ENDGRDS |
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} |
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if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) { |
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$hwkadd.=(<<ENDPARM); |
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menu.switchbutton |
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(7,3,'pparm.gif','problem','parms', |
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'gocmd("/adm/parmset","set")'); |
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ENDPARM |
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} |
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} |
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return (<<ENDREGTHIS); |
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<script language="JavaScript"> |
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// BEGIN LON-CAPA Internal |
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function LONCAPAreg() { |
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menu=window.open("","LONCAPAmenu"); |
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menu.clearTimeout(menu.menucltim); |
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menu.currentURL=window.location.pathname; |
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menu.currentStale=0; |
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menu.clearbut(3,1); |
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menu.switchbutton |
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(8,1,'eval.gif','evaluate','this','gopost("/adm/evaluate",currentURL)'); |
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menu.switchbutton |
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(8,2,'fdbk.gif','feedback','on this','gopost("/adm/feedback",currentURL)'); |
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menu.switchbutton |
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(8,3,'prt.gif','prepare','printout','gopost("/adm/printout",currentURL)'); |
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menu.switchbutton |
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(2,1,'back.gif','backward','','gopost("/adm/flip","back:"+currentURL)'); |
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menu.switchbutton |
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(2,3,'forw.gif','forward','','gopost("/adm/flip","forward:"+currentURL)'); |
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$hwkadd |
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} |
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function LONCAPAstale() { |
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menu=window.open("","LONCAPAmenu"); |
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menu.currentStale=1; |
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menu.switchbutton |
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(3,1,'reload.gif','return','location','go(currentURL)'); |
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menu.clearbut(7,1); |
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menu.clearbut(7,2); |
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menu.clearbut(7,3); |
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menu.menucltim=menu.setTimeout( |
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'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);', |
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2000); |
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} |
#internal check on whether to look at style defs |
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$Apache::lonxml::usestyle=1; |
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// END LON-CAPA Internal |
#locations used to store the parameter string for style substitutions |
</script> |
$Apache::lonxml::style_values=''; |
ENDREGTHIS |
$Apache::lonxml::style_end_values=''; |
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} else { |
#array of ssi calls that need to occur after we are done parsing |
return (<<ENDDONOTREGTHIS); |
@Apache::lonxml::ssi_info=(); |
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<script language="JavaScript"> |
#should we do the postag variable interpolation |
// BEGIN LON-CAPA Internal |
$Apache::lonxml::post_evaluate=1; |
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function LONCAPAreg() { |
#a header message to emit in the case of any generated warning or errors |
menu=window.open("","LONCAPAmenu"); |
$Apache::lonxml::warnings_error_header=''; |
menu.currentStale=1; |
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menu.clearbut(2,1); |
# Control whether or not LaTeX symbols should be substituted for their |
menu.clearbut(2,3); |
# \ style equivalents...this may be turned off e.g. in an verbatim |
menu.clearbut(8,1); |
# environment. |
menu.clearbut(8,2); |
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menu.clearbut(8,3); |
$Apache::lonxml::substitute_LaTeX_symbols = 1; # Starts out on. |
if (menu.currentURL) { |
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menu.switchbutton |
sub enable_LaTeX_substitutions { |
(3,1,'reload.gif','return','location','go(currentURL)'); |
$Apache::lonxml::substitute_LaTeX_symbols = 1; |
} else { |
} |
menu.clearbut(3,1); |
sub disable_LaTeX_substitutions { |
} |
$Apache::lonxml::substitute_LaTeX_symbols = 0; |
} |
} |
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function LONCAPAstale() { |
sub xmlend { |
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my ($target,$parser)=@_; |
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my $mode='xml'; |
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my $status='OPEN'; |
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if ($Apache::lonhomework::parsing_a_problem || |
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$Apache::lonhomework::parsing_a_task ) { |
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$mode='problem'; |
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$status=$Apache::inputtags::status[-1]; |
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} |
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my $discussion; |
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&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
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['LONCAPA_INTERNAL_no_discussion']); |
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if (! exists($env{'form.LONCAPA_INTERNAL_no_discussion'}) || |
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$env{'form.LONCAPA_INTERNAL_no_discussion'} ne 'true') { |
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$discussion=&Apache::lonfeedback::list_discussion($mode,$status); |
} |
} |
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if ($target eq 'tex') { |
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$discussion.='<tex>\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\end{document}</tex>'; |
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&Apache::lonxml::newparser($parser,\$discussion,''); |
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return ''; |
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} |
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return $discussion; |
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} |
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// END LON-CAPA Internal |
sub tokeninputfield { |
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my $defhost=$Apache::lonnet::perlvar{'lonHostID'}; |
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$defhost=~tr/a-z/A-Z/; |
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return (<<ENDINPUTFIELD) |
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<script type="text/javascript"> |
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function updatetoken() { |
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var comp=new Array; |
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var barcode=unescape(document.tokeninput.barcode.value); |
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comp=barcode.split('*'); |
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if (typeof(comp[0])!="undefined") { |
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document.tokeninput.codeone.value=comp[0]; |
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} |
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if (typeof(comp[1])!="undefined") { |
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document.tokeninput.codetwo.value=comp[1]; |
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} |
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if (typeof(comp[2])!="undefined") { |
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comp[2]=comp[2].toUpperCase(); |
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document.tokeninput.codethree.value=comp[2]; |
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} |
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document.tokeninput.barcode.value=''; |
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} |
</script> |
</script> |
ENDDONOTREGTHIS |
<form method="post" name="tokeninput"> |
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<table border="2" bgcolor="#FFFFBB"> |
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<tr><th>DocID Checkin</th></tr> |
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<tr><td> |
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<table> |
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<tr> |
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<td>Scan in Barcode</td> |
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<td><input type="text" size="22" name="barcode" |
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onChange="updatetoken()"/></td> |
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</tr> |
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<tr><td><i>or</i> Type in DocID</td> |
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<td> |
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<input type="text" size="5" name="codeone" /> |
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<b><font size="+2">*</font></b> |
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<input type="text" size="5" name="codetwo" /> |
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<b><font size="+2">*</font></b> |
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<input type="text" size="10" name="codethree" value="$defhost" |
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onChange="this.value=this.value.toUpperCase()" /> |
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</td></tr> |
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</table> |
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</td></tr> |
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<tr><td><input type="submit" value="Check in DocID" /></td></tr> |
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</table> |
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</form> |
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ENDINPUTFIELD |
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} |
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sub maketoken { |
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my ($symb,$tuname,$tudom,$tcrsid)=@_; |
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unless ($symb) { |
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$symb=&Apache::lonnet::symbread(); |
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} |
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unless ($tuname) { |
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$tuname=$env{'user.name'}; |
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$tudom=$env{'user.domain'}; |
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$tcrsid=$env{'request.course.id'}; |
} |
} |
} |
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sub loadevents() { |
return &Apache::lonnet::checkout($symb,$tuname,$tudom,$tcrsid); |
return 'LONCAPAreg();'; |
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} |
} |
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sub unloadevents() { |
sub printtokenheader { |
return 'LONCAPAstale();'; |
my ($target,$token,$tsymb,$tcrsid,$tudom,$tuname)=@_; |
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unless ($token) { return ''; } |
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my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser(); |
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unless ($tsymb) { |
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$tsymb=$symb; |
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} |
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unless ($tuname) { |
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$tuname=$name; |
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$tudom=$domain; |
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$tcrsid=$courseid; |
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} |
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my $plainname=&Apache::loncommon::plainname($tuname,$tudom); |
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if ($target eq 'web') { |
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my %idhash=&Apache::lonnet::idrget($tudom,($tuname)); |
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return |
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'<img align="right" src="/cgi-bin/barcode.png?encode='.$token.'" />'. |
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&mt('Checked out for').' '.$plainname. |
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'<br />'.&mt('User').': '.$tuname.' at '.$tudom. |
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'<br />'.&mt('ID').': '.$idhash{$tuname}. |
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'<br />'.&mt('CourseID').': '.$tcrsid. |
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'<br />'.&mt('Course').': '.$env{'course.'.$tcrsid.'.description'}. |
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'<br />'.&mt('DocID').': '.$token. |
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'<br />'.&mt('Time').': '.&Apache::lonlocal::locallocaltime().'<hr />'; |
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} else { |
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return $token; |
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} |
} |
} |
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sub printalltags { |
sub printalltags { |
my $temp; |
my $temp; |
foreach $temp (sort keys %Apache::lonxml::alltags) { |
foreach $temp (sort keys %Apache::lonxml::alltags) { |
&Apache::lonxml::debug("$temp -- $Apache::lonxml::alltags{$temp}"); |
&Apache::lonxml::debug("$temp -- ". |
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join(',',@{ $Apache::lonxml::alltags{$temp} })); |
} |
} |
} |
} |
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sub xmlparse { |
sub xmlparse { |
# $Apache::lonxml::debug=1; |
my ($request,$target,$content_file_string,$safeinit,%style_for_target) = @_; |
my ($target,$content_file_string,$safeinit,%style_for_target) = @_; |
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if ($target eq 'meta') { |
&setup_globals($request,$target); |
$Apache::lonxml::redirection = 0; |
&Apache::inputtags::initialize_inputtags(); |
$Apache::lonxml::metamode = 1; |
&Apache::bridgetask::initialize_bridgetask(); |
$Apache::lonxml::evaluate = 1; |
&Apache::outputtags::initialize_outputtags(); |
$Apache::lonxml::import = 0; |
&Apache::edit::initialize_edit(); |
} elsif ($target eq 'grade') { |
&Apache::londefdef::initialize_londefdef(); |
&startredirection; |
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$Apache::lonxml::metamode = 0; |
# |
$Apache::lonxml::evaluate = 1; |
# do we have a course style file? |
$Apache::lonxml::import = 1; |
# |
} elsif ($target eq 'modified') { |
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$Apache::lonxml::redirection = 0; |
if ($env{'request.course.id'} && $env{'request.state'} ne 'construct') { |
$Apache::lonxml::metamode = 0; |
my $bodytext= |
$Apache::lonxml::evaluate = 0; |
$env{'course.'.$env{'request.course.id'}.'.default_xml_style'}; |
$Apache::lonxml::import = 0; |
if ($bodytext) { |
} else { |
foreach my $file (split(',',$bodytext)) { |
$Apache::lonxml::redirection = 0; |
my $location=&Apache::lonnet::filelocation('',$file); |
$Apache::lonxml::metamode = 0; |
my $styletext=&Apache::lonnet::getfile($location); |
$Apache::lonxml::evaluate = 1; |
if ($styletext ne '-1') { |
$Apache::lonxml::import = 1; |
%style_for_target = (%style_for_target, |
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&Apache::style::styleparser($target,$styletext)); |
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} |
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} |
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} |
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} elsif ($env{'construct.style'} |
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&& ($env{'request.state'} eq 'construct')) { |
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my $location=&Apache::lonnet::filelocation('',$env{'construct.style'}); |
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my $styletext=&Apache::lonnet::getfile($location); |
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if ($styletext ne '-1') { |
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%style_for_target = (%style_for_target, |
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&Apache::style::styleparser($target,$styletext)); |
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} |
} |
} |
#&printalltags(); |
#&printalltags(); |
my @pars = (); |
my @pars = (); |
@Apache::lonxml::pwd=(); |
my $pwd=$env{'request.filename'}; |
my $pwd=$ENV{'request.filename'}; |
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$pwd =~ s:/[^/]*$::; |
$pwd =~ s:/[^/]*$::; |
&newparser(\@pars,\$content_file_string,$pwd); |
&newparser(\@pars,\$content_file_string,$pwd); |
my $currentstring = ''; |
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my $finaloutput = ''; |
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my $newarg = ''; |
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my $result; |
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my $safeeval = new Safe; |
my $safeeval = new Safe; |
my $safehole = new Safe::Hole; |
my $safehole = new Safe::Hole; |
Line 256 sub xmlparse {
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Line 341 sub xmlparse {
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($target, my @tenta) = split('&&',$target); |
($target, my @tenta) = split('&&',$target); |
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my @stack = (); |
my @stack = (); |
my @parstack = (); |
my @parstack = (); |
&initdepth; |
&initdepth(); |
my $token; |
&init_alarm(); |
while ( $#pars > -1 ) { |
my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars, |
while ($token = $pars[$#pars]->get_token) { |
$safeeval,\%style_for_target,1); |
if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) { |
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if ($metamode<1) { $result=$token->[1]; } |
if (@stack) { |
} elsif ($token->[0] eq 'PI') { |
&warning("At end of file some tags were still left unclosed, ". |
if ($metamode<1) { $result=$token->[2]; } |
'<tt><'.join('></tt>, <tt><',reverse(@stack)). |
} elsif ($token->[0] eq 'S') { |
'></tt>'); |
# add tag to stack |
} |
push (@stack,$token->[1]); |
if ($env{'request.uri'}) { |
# add parameters list to another stack |
&writeallows($env{'request.uri'}); |
push (@parstack,&parstring($token)); |
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&increasedepth($token); |
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if (exists $style_for_target{$token->[1]}) { |
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if ($Apache::lonxml::redirection) { |
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$Apache::lonxml::outputstack['-1'] .= |
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&recurse($style_for_target{$token->[1]},$target,$safeeval, |
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\%style_for_target,@parstack); |
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} else { |
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$finaloutput .= &recurse($style_for_target{$token->[1]},$target, |
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$safeeval,\%style_for_target,@parstack); |
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} |
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} else { |
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$result = &callsub("start_$token->[1]", $target, $token, \@stack, |
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\@parstack, \@pars, $safeeval, \%style_for_target); |
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} |
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} elsif ($token->[0] eq 'E') { |
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#clear out any tags that didn't end |
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while ($token->[1] ne $stack[$#stack] && ($#stack > -1)) { |
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&Apache::lonxml::warning("Unbalanced tags in resource $stack['-1']"); |
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pop @stack;pop @parstack;&decreasedepth($token); |
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} |
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|
|
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); |
|
} |
|
|
|
} else { |
|
$result = &callsub("end_$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[$#parstack]); |
|
} else { |
|
$finaloutput .= &Apache::run::evaluate($result,$safeeval, |
|
$parstack[$#parstack]); |
|
} |
|
} else { |
|
$finaloutput .= &Apache::run::evaluate($result,$safeeval,''); |
|
} |
|
$result = ''; |
|
} |
|
if ($token->[0] eq 'E') { |
|
pop @stack;pop @parstack;&decreasedepth($token); |
|
} |
|
} |
|
pop @pars; |
|
pop @Apache::lonxml::pwd; |
|
} |
} |
|
&do_registered_ssi(); |
|
if ($Apache::lonxml::counter_changed) { &store_counter() } |
|
|
# if ($target eq 'meta') { |
&clean_safespace($safeeval); |
# $finaloutput.=&endredirection; |
|
# } |
|
|
|
if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) { |
if (@script_var_displays) { |
$finaloutput=&afterburn($finaloutput); |
$finaloutput .= join('',@script_var_displays); |
} |
undef(@script_var_displays); |
|
} |
|
|
|
if ($env{'form.return_only_error_and_warning_counts'}) { |
|
return "$errorcount:$warningcount"; |
|
} |
return $finaloutput; |
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/\\/\$\\backslash\$/g; # \ -> $\backslash$ per LaTex line by line pg 10. |
|
$string =~ s/(\$|%|\{|\})/\\$1/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/\\\%|\%/\\\%/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? |
|
} |
|
return $string; |
|
} |
|
|
sub recurse { |
sub inner_xmlparse { |
|
my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target,$start)=@_; |
my @innerstack = (); |
my $finaloutput = ''; |
my @innerparstack = (); |
my $result; |
my ($newarg,$target,$safeeval,$style_for_target,@parstack) = @_; |
my $token; |
my @pat = (); |
my $dontpop=0; |
&newparser(\@pat,\$newarg); |
my $startredirection = $Apache::lonxml::redirection; |
my $tokenpat; |
while ( $#$pars > -1 ) { |
my $partstring = ''; |
while ($token = $$pars['-1']->get_token) { |
my $output=''; |
if (($token->[0] eq 'T') || ($token->[0] eq 'C') ) { |
my $decls=''; |
if ($metamode<1) { |
while ( $#pat > -1 ) { |
my $text=$token->[1]; |
while ($tokenpat = $pat[$#pat]->get_token) { |
if ($token->[0] eq 'C' && $target eq 'tex') { |
if (($tokenpat->[0] eq 'T') || ($tokenpat->[0] eq 'C') || ($tokenpat->[0] eq 'D') ) { |
$text = ''; |
if ($metamode<1) { $partstring=$tokenpat->[1]; } |
# $text = '%'.$text."\n"; |
} elsif ($tokenpat->[0] eq 'PI') { |
} |
if ($metamode<1) { $partstring=$tokenpat->[2]; } |
$result.=$text; |
} elsif ($tokenpat->[0] eq 'S') { |
} |
push (@innerstack,$tokenpat->[1]); |
} elsif (($token->[0] eq 'D')) { |
push (@innerparstack,&parstring($tokenpat)); |
if ($metamode<1 && $target eq 'web') { |
&increasedepth($tokenpat); |
my $text=$token->[1]; |
$partstring = &callsub("start_$tokenpat->[1]", $target, $tokenpat, |
$result.=$text; |
\@innerstack, \@innerparstack, \@pat, |
} |
$safeeval, $style_for_target); |
} elsif ($token->[0] eq 'PI') { |
} elsif ($tokenpat->[0] eq 'E') { |
if ($metamode<1 && $target eq 'web') { |
#clear out any tags that didn't end |
$result=$token->[2]; |
while ($tokenpat->[1] ne $innerstack[$#innerstack] |
} |
&& ($#innerstack > -1)) { |
} elsif ($token->[0] eq 'S') { |
&Apache::lonxml::warning("Unbalanced tags in resource $innerstack['-1']"); |
# add tag to stack |
pop @innerstack;pop @innerparstack;&decreasedepth($tokenpat); |
push (@$stack,$token->[1]); |
} |
# add parameters list to another stack |
$partstring = &callsub("end_$tokenpat->[1]", $target, $tokenpat, |
push (@$parstack,&parstring($token)); |
\@innerstack, \@innerparstack, \@pat, |
&increasedepth($token); |
$safeeval, $style_for_target); |
if ($Apache::lonxml::usestyle && |
|
exists($$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=$$parstack[-1]; |
|
} else { |
|
$result = &callsub("start_$token->[1]", $target, $token, $stack, |
|
$parstack, $pars, $safeeval, $style_for_target); |
|
} |
|
} elsif ($token->[0] eq 'E') { |
|
if ($Apache::lonxml::usestyle && |
|
exists($$style_for_target{'/'."$token->[1]"})) { |
|
$Apache::lonxml::usestyle=0; |
|
my $string=$$style_for_target{'/'.$token->[1]}. |
|
'<LONCAPA_INTERNAL_TURN_STYLE_ON end="'.$token->[1].'" />'; |
|
&Apache::lonxml::newparser($pars,\$string); |
|
$Apache::lonxml::style_values=$Apache::lonxml::style_end_values; |
|
$Apache::lonxml::style_end_values=''; |
|
$dontpop=1; |
|
} else { |
|
#clear out any tags that didn't end |
|
while ($token->[1] ne $$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 </'.$$stack[-1].'> in file'); |
|
&end_tag($stack,$parstack,$token); |
|
} |
|
} |
|
$result = &callsub("end_$token->[1]", $target, $token, $stack, |
|
$parstack, $pars,$safeeval, $style_for_target); |
|
} |
} else { |
} else { |
&Apache::lonxml::error("Unknown token event :$tokenpat->[0]:$tokenpat->[1]:"); |
&Apache::lonxml::error("Unknown token event :$token->[0]:$token->[1]:"); |
} |
} |
#pass both the variable to the style tag, and the tag we |
#evaluate variable refs in result |
#are processing inside the <definedtag> |
if ($Apache::lonxml::post_evaluate &&$result ne "") { |
if ( $partstring ne "" ) { |
my $extras; |
if ( $#parstack > -1 ) { |
if (!$Apache::lonxml::usestyle) { |
if ( $#innerparstack > -1 ) { |
$extras=$Apache::lonxml::style_values; |
$decls= $parstack[$#parstack].$innerparstack[$#innerparstack]; |
|
} else { |
|
$decls= $parstack[$#parstack]; |
|
} |
} |
|
if ( $#$parstack > -1 ) { |
|
$result=&Apache::run::evaluate($result,$safeeval,$extras.$$parstack[-1]); |
} else { |
} else { |
if ( $#innerparstack > -1 ) { |
$result= &Apache::run::evaluate($result,$safeeval,$extras); |
$decls=$innerparstack[$#innerparstack]; |
|
} else { |
|
$decls=''; |
|
} |
|
} |
} |
$output .= &Apache::run::evaluate($partstring,$safeeval,$decls); |
|
$partstring = ''; |
|
} |
} |
if ($tokenpat->[0] eq 'E') { pop @innerstack;pop @innerparstack; |
$Apache::lonxml::post_evaluate=1; |
&decreasedepth($tokenpat);} |
|
|
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 @pat; |
|
pop @Apache::lonxml::pwd; |
|
} |
} |
return $output; |
|
|
# if ($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 $finaloutput; |
} |
} |
|
|
|
## |
|
## Looks to see if there is a subroutine defined for this tag. If so, call it, |
|
## otherwise do not call it as we do not know what it is. |
|
## |
sub callsub { |
sub callsub { |
my ($sub,$target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($sub,$target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $currentstring=''; |
my $currentstring=''; |
Line 417 sub callsub {
|
Line 549 sub callsub {
|
{ |
{ |
my $sub1; |
my $sub1; |
no strict 'refs'; |
no strict 'refs'; |
if ($target eq 'edit' && $token->[0] eq 'S') { |
|
$currentstring = &Apache::edit::tag_start($target,$token,$tagstack, |
|
$parstack,$parser, |
|
$safeeval,$style); |
|
} |
|
my $tag=$token->[1]; |
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) { |
if (!$space) { |
$tag=~tr/A-Z/a-z/; |
$tag=~tr/A-Z/a-z/; |
$sub=~tr/A-Z/a-z/; |
$sub=~tr/A-Z/a-z/; |
$space=$Apache::lonxml::alltags{$tag} |
$space=$Apache::lonxml::alltags{$tag}[-1] |
} |
} |
if ($space) { |
|
#&Apache::lonxml::debug("Calling sub $sub in $space $metamode<br />\n"); |
my $deleted=0; |
$sub1="$space\:\:$sub"; |
if (($token->[0] eq 'S') && ($target eq 'modified')) { |
$Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter); |
$deleted=&Apache::edit::handle_delete($space,$target,$token,$tagstack, |
($currentstring,$nodefault) = &$sub1($target,$token,$tagstack, |
$parstack,$parser,$safeeval, |
$parstack,$parser,$safeeval, |
$style); |
$style); |
|
} else { |
|
#&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode<br />\n"); |
|
if ($metamode <1) { |
|
if (defined($token->[4]) && ($metamode < 1)) { |
|
$currentstring = $token->[4]; |
|
} else { |
|
$currentstring = $token->[2]; |
|
} |
|
} |
|
} |
} |
# &Apache::lonxml::debug("nodefalt:$nodefault:"); |
if (!$deleted) { |
if ($currentstring eq '' && $nodefault eq '') { |
if ($space) { |
if ($target eq 'edit') { |
#&Apache::lonxml::debug("Calling sub $sub in $space $metamode"); |
&Apache::lonxml::debug("doing default edit for $token->[1]"); |
$sub1="$space\:\:$sub"; |
if ($token->[0] eq 'S') { |
($currentstring,$nodefault) = &$sub1($target,$token,$tagstack, |
$currentstring = &Apache::edit::tag_start($target,$token); |
$parstack,$parser,$safeeval, |
} elsif ($token->[0] eq 'E') { |
$style); |
$currentstring = &Apache::edit::tag_end($target,$token); |
} else { |
|
if ($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]; |
|
} else { |
|
$currentstring = $token->[2]; |
|
} |
} |
} |
} elsif ($target eq 'modified') { |
} |
if ($token->[0] eq 'S') { |
# &Apache::lonxml::debug("nodefalt:$nodefault:"); |
$currentstring = $token->[4]; |
if ($currentstring eq '' && $nodefault eq '') { |
$currentstring.=&Apache::edit::handle_insert(); |
if ($target eq 'edit') { |
} else { |
#&Apache::lonxml::debug("doing default edit for $token->[1]"); |
$currentstring = $token->[2]; |
if ($token->[0] eq 'S') { |
|
$currentstring = &Apache::edit::tag_start($target,$token); |
|
} elsif ($token->[0] eq 'E') { |
|
$currentstring = &Apache::edit::tag_end($target,$token); |
|
} |
} |
} |
} |
} |
|
if ($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') { |
|
$currentstring.=&Apache::edit::handle_insert(); |
|
} elsif ($token->[0] eq 'E') { |
|
$currentstring.=&Apache::edit::handle_insertafter($token->[1]); |
|
} |
|
} |
} |
} |
use strict 'refs'; |
use strict 'refs'; |
} |
} |
return $currentstring; |
return $currentstring; |
} |
} |
|
|
|
sub setup_globals { |
|
my ($request,$target)=@_; |
|
$Apache::lonxml::request=$request; |
|
$errorcount=0; |
|
$warningcount=0; |
|
$Apache::lonxml::default_homework_loaded=0; |
|
$Apache::lonxml::usestyle=1; |
|
&init_counter(); |
|
@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; |
|
$Apache::lonxml::evaluate = 1; |
|
$Apache::lonxml::import = 0; |
|
} elsif ($target eq 'answer') { |
|
$Apache::lonxml::redirection = 0; |
|
$Apache::lonxml::metamode = 1; |
|
$Apache::lonxml::evaluate = 1; |
|
$Apache::lonxml::import = 1; |
|
} elsif ($target eq 'grade') { |
|
&startredirection(); #ended in inner_xmlparse on exit |
|
$Apache::lonxml::metamode = 0; |
|
$Apache::lonxml::evaluate = 1; |
|
$Apache::lonxml::import = 1; |
|
} elsif ($target eq 'modified') { |
|
$Apache::lonxml::redirection = 0; |
|
$Apache::lonxml::metamode = 0; |
|
$Apache::lonxml::evaluate = 0; |
|
$Apache::lonxml::import = 0; |
|
} elsif ($target eq 'edit') { |
|
$Apache::lonxml::redirection = 0; |
|
$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; |
|
$Apache::lonxml::evaluate = 1; |
|
$Apache::lonxml::import = 1; |
|
} |
|
} |
|
|
sub init_safespace { |
sub init_safespace { |
my ($target,$safeeval,$safehole,$safeinit) = @_; |
my ($target,$safeeval,$safehole,$safeinit) = @_; |
|
$safeeval->deny_only(':dangerous'); |
|
$safeeval->reval('use Math::Complex;'); |
|
$safeeval->permit_only(":default"); |
$safeeval->permit("entereval"); |
$safeeval->permit("entereval"); |
$safeeval->permit(":base_math"); |
$safeeval->permit(":base_math"); |
$safeeval->permit("sort"); |
$safeeval->permit("sort"); |
|
$safeeval->permit("time"); |
|
$safeeval->deny("rand"); |
|
$safeeval->deny("srand"); |
$safeeval->deny(":base_io"); |
$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'); |
$safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT'); |
|
$safehole->wrap(\&Apache::chemresponse::chem_standard_order,$safeeval, |
|
'&chem_standard_order'); |
|
$safehole->wrap(\&Apache::response::check_status,$safeeval,'&check_status'); |
|
|
|
$safehole->wrap(\&Apache::lonmaxima::maxima_eval,$safeeval,'&maxima_eval'); |
|
$safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check'); |
|
$safehole->wrap(\&Apache::lonmaxima::maxima_cas_formula_fix,$safeeval, |
|
'&maxima_cas_formula_fix'); |
|
|
|
$safehole->wrap(\&Apache::caparesponse::capa_formula_fix,$safeeval, |
|
'&capa_formula_fix'); |
|
|
$safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin'); |
$safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin'); |
$safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos'); |
$safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos'); |
$safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan'); |
$safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan'); |
Line 496 sub init_safespace {
|
Line 718 sub init_safespace {
|
$safehole->wrap(\&Math::Cephes::y1,$safeeval,'&y1'); |
$safehole->wrap(\&Math::Cephes::y1,$safeeval,'&y1'); |
$safehole->wrap(\&Math::Cephes::yn,$safeeval,'&yn'); |
$safehole->wrap(\&Math::Cephes::yn,$safeeval,'&yn'); |
$safehole->wrap(\&Math::Cephes::yv,$safeeval,'&yv'); |
$safehole->wrap(\&Math::Cephes::yv,$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'); |
$safehole->wrap(\&Math::Random::random_beta,$safeeval,'&math_random_beta'); |
$safehole->wrap(\&Math::Random::random_chi_square,$safeeval,'&math_random_chi_square'); |
$safehole->wrap(\&Math::Random::random_chi_square,$safeeval,'&math_random_chi_square'); |
$safehole->wrap(\&Math::Random::random_exponential,$safeeval,'&math_random_exponential'); |
$safehole->wrap(\&Math::Random::random_exponential,$safeeval,'&math_random_exponential'); |
Line 507 sub init_safespace {
|
Line 790 sub init_safespace {
|
$safehole->wrap(\&Math::Random::random_noncentral_f,$safeeval,'&math_random_noncentral_f'); |
$safehole->wrap(\&Math::Random::random_noncentral_f,$safeeval,'&math_random_noncentral_f'); |
$safehole->wrap(\&Math::Random::random_normal,$safeeval,'&math_random_normal'); |
$safehole->wrap(\&Math::Random::random_normal,$safeeval,'&math_random_normal'); |
$safehole->wrap(\&Math::Random::random_permutation,$safeeval,'&math_random_permutation'); |
$safehole->wrap(\&Math::Random::random_permutation,$safeeval,'&math_random_permutation'); |
# $safehole->wrap(\&Math::Random::random_permuted_index,$safeeval,'&math_random_permuted_index'); |
$safehole->wrap(\&Math::Random::random_permuted_index,$safeeval,'&math_random_permuted_index'); |
$safehole->wrap(\&Math::Random::random_uniform,$safeeval,'&math_random_uniform'); |
$safehole->wrap(\&Math::Random::random_uniform,$safeeval,'&math_random_uniform'); |
$safehole->wrap(\&Math::Random::random_poisson,$safeeval,'&math_random_poisson'); |
$safehole->wrap(\&Math::Random::random_poisson,$safeeval,'&math_random_poisson'); |
$safehole->wrap(\&Math::Random::random_uniform_integer,$safeeval,'&math_random_uniform_integer'); |
$safehole->wrap(\&Math::Random::random_uniform_integer,$safeeval,'&math_random_uniform_integer'); |
Line 517 sub init_safespace {
|
Line 800 sub init_safespace {
|
$safehole->wrap(\&Math::Random::random_set_seed_from_phrase,$safeeval,'&random_set_seed_from_phrase'); |
$safehole->wrap(\&Math::Random::random_set_seed_from_phrase,$safeeval,'&random_set_seed_from_phrase'); |
$safehole->wrap(\&Math::Random::random_get_seed,$safeeval,'&random_get_seed'); |
$safehole->wrap(\&Math::Random::random_get_seed,$safeeval,'&random_get_seed'); |
$safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed'); |
$safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed'); |
|
$safehole->wrap(\&Apache::loncommon::languages,$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 |
#need to inspect this class of ops |
# $safeeval->deny(":base_orig"); |
# $safeeval->deny(":base_orig"); |
|
$safeeval->permit("require"); |
$safeinit .= ';$external::target="'.$target.'";'; |
$safeinit .= ';$external::target="'.$target.'";'; |
$safeinit .= ';$external::randomseed='.&Apache::lonnet::rndseed().';'; |
|
&Apache::run::run($safeinit,$safeeval); |
&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::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,$safeeval); |
|
} |
|
|
|
sub default_homework_load { |
|
my ($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 { |
sub startredirection { |
$Apache::lonxml::redirection++; |
if (!$Apache::lonxml::redirection) { |
push (@Apache::lonxml::outputstack, ''); |
$metamode_was=$Apache::lonxml::metamode; |
|
} |
|
$Apache::lonxml::metamode=0; |
|
$Apache::lonxml::redirection++; |
|
push (@Apache::lonxml::outputstack, ''); |
} |
} |
|
|
sub endredirection { |
sub endredirection { |
if (!$Apache::lonxml::redirection) { |
if (!$Apache::lonxml::redirection) { |
&Apache::lonxml::error("Endredirection was called, before a startredirection, perhaps you have unbalanced tags. Some debuging information:".join ":",caller); |
&Apache::lonxml::error("Endredirection was called before a startredirection, perhaps you have unbalanced tags. Some debugging information:".join ":",caller); |
return ''; |
return ''; |
} |
} |
$Apache::lonxml::redirection--; |
$Apache::lonxml::redirection--; |
pop @Apache::lonxml::outputstack; |
if (!$Apache::lonxml::redirection) { |
|
$Apache::lonxml::metamode=$metamode_was; |
|
} |
|
pop @Apache::lonxml::outputstack; |
|
} |
|
|
|
sub end_tag { |
|
my ($tagstack,$parstack,$token)=@_; |
|
pop(@$tagstack); |
|
pop(@$parstack); |
|
&decreasedepth($token); |
} |
} |
|
|
sub initdepth { |
sub initdepth { |
@Apache::lonxml::depthcounter=(); |
@Apache::lonxml::depthcounter=(); |
$Apache::lonxml::depth=-1; |
undef($Apache::lonxml::last_depth_count); |
$Apache::lonxml::olddepth=-1; |
|
} |
} |
|
|
|
|
|
my @timers; |
|
my $lasttime; |
|
# @Apache::lonxml::depthcounter -> count of tags that exist so |
|
# far at each level |
|
# $Apache::lonxml::last_depth_count -> when ascending, need to |
|
# remember the count for the level below the current level (for |
|
# example going from 1_2 -> 1 -> 1_3 need to remember the 2 ) |
|
|
sub increasedepth { |
sub increasedepth { |
my ($token) = @_; |
my ($token) = @_; |
$Apache::lonxml::depth++; |
push(@Apache::lonxml::depthcounter,$Apache::lonxml::last_depth_count+1); |
$Apache::lonxml::depthcounter[$Apache::lonxml::depth]++; |
undef($Apache::lonxml::last_depth_count); |
if ($Apache::lonxml::depthcounter[$Apache::lonxml::depth]==1) { |
my $time; |
$Apache::lonxml::olddepth=$Apache::lonxml::depth; |
if ($Apache::lonxml::debug eq "1") { |
|
push(@timers,[&gettimeofday()]); |
|
$time=&tv_interval($lasttime); |
|
$lasttime=[&gettimeofday()]; |
} |
} |
my $curdepth=join('_',@Apache::lonxml::depthcounter); |
my $spacing=' 'x($#Apache::lonxml::depthcounter); |
&Apache::lonxml::debug("s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n"); |
$Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter); |
|
# &Apache::lonxml::debug("s$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $Apache::lonxml::curdepth : $token->[1] : $time"); |
#print "<br />s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n"; |
#print "<br />s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n"; |
} |
} |
|
|
sub decreasedepth { |
sub decreasedepth { |
my ($token) = @_; |
my ($token) = @_; |
$Apache::lonxml::depth--; |
if ( $#Apache::lonxml::depthcounter == -1) { |
if ($Apache::lonxml::depth<$Apache::lonxml::olddepth-1) { |
&Apache::lonxml::warning(&mt("Missing tags, unable to properly run file.")); |
$#Apache::lonxml::depthcounter--; |
} |
$Apache::lonxml::olddepth=$Apache::lonxml::depth+1; |
$Apache::lonxml::last_depth_count = pop(@Apache::lonxml::depthcounter); |
} |
|
if ( $Apache::lonxml::depth < -1) { |
my ($timer,$time); |
&Apache::lonxml::warning("Unbalanced tags in resource"); |
if ($Apache::lonxml::debug eq "1") { |
$Apache::lonxml::depth='-1'; |
$timer=pop(@timers); |
|
$time=&tv_interval($lasttime); |
|
$lasttime=[&gettimeofday()]; |
} |
} |
my $curdepth=join('_',@Apache::lonxml::depthcounter); |
my $spacing=' 'x($#Apache::lonxml::depthcounter); |
&Apache::lonxml::debug("e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n"); |
$Apache::lonxml::curdepth = join('_',@Apache::lonxml::depthcounter); |
|
# &Apache::lonxml::debug("e$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $Apache::lonxml::curdepth : $token->[1] : $time : ".&tv_interval($timer)); |
#print "<br />e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\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' && $id =~ /([._]|[^\w\d\s[:punct:]])/) { |
|
&error(&mt("ID "[_1]" contains invalid characters, IDs are only allowed to contain letters, numbers, spaces and -",'<tt>'.$id.'</tt>')); |
|
} |
|
if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; } |
|
return $id; |
|
} |
|
|
my($tag,$pars)= @_; |
sub get_all_text_unbalanced { |
my $depth=0; |
#there is a copy of this in lonpublisher.pm |
my $token; |
my($tag,$pars)= @_; |
my $result=''; |
my $token; |
if ( $tag =~ m:^/: ) { |
my $result=''; |
my $tag=substr($tag,1); |
$tag='<'.$tag.'>'; |
# &Apache::lonxml::debug("have:$tag:"); |
while ($token = $$pars[-1]->get_token) { |
while (($depth >=0) && ($token = $pars->get_token)) { |
if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) { |
# &Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]"); |
if ($token->[0] eq 'T' && $token->[2]) { |
if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) { |
$result.='<![CDATA['.$token->[1].']]>'; |
$result.=$token->[1]; |
} else { |
} elsif ($token->[0] eq 'PI') { |
$result.=$token->[1]; |
$result.=$token->[2]; |
} |
} elsif ($token->[0] eq 'S') { |
} elsif ($token->[0] eq 'PI') { |
if ($token->[1] eq $tag) { $depth++; } |
$result.=$token->[2]; |
$result.=$token->[4]; |
} elsif ($token->[0] eq 'S') { |
} elsif ($token->[0] eq 'E') { |
$result.=$token->[4]; |
if ( $token->[1] eq $tag) { $depth--; } |
} elsif ($token->[0] eq 'E') { |
#skip sending back the last end tag |
$result.=$token->[2]; |
if ($depth > -1) { $result.=$token->[2]; } else { |
} |
$pars->unget_token($token); |
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); |
} else { |
$redo=$tag.$redo; |
while ($token = $pars->get_token) { |
&Apache::lonxml::newparser($pars,\$redo); |
# &Apache::lonxml::debug("s token:$token->[0]:$depth:$token->[1]"); |
last; |
if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) { |
} |
$result.=$token->[1]; |
} |
} elsif ($token->[0] eq 'PI') { |
return $result |
$result.=$token->[2]; |
} |
} elsif ($token->[0] eq 'S') { |
|
if ( $token->[1] eq $tag) { |
=pod |
$pars->unget_token($token); last; |
|
} else { |
For bubble grading mode and exam bubble printing mode, the tracking of |
$result.=$token->[4]; |
the current 'bubble line number' is stored in the %env element |
} |
'form.counter', and is modifed and handled by the following routines. |
} elsif ($token->[0] eq 'E') { |
|
$result.=$token->[2]; |
The value of it is stored in $Apache:lonxml::counter when live and |
} |
stored back to env after done. |
} |
|
} |
=item &increment_counter($increment); |
# &Apache::lonxml::debug("Exit:$result:"); |
|
return $result |
Increments the internal counter environment variable a specified amount |
|
|
|
Optional Arguments: |
|
$increment - amount to increment by (defaults to 1) |
|
|
|
=cut |
|
|
|
sub increment_counter { |
|
my ($increment) = @_; |
|
if (defined($increment) && $increment gt 0) { |
|
$Apache::lonxml::counter+=$increment; |
|
} else { |
|
$Apache::lonxml::counter++; |
|
} |
|
$Apache::lonxml::counter_changed=1; |
|
} |
|
|
|
=pod |
|
|
|
=item &init_counter($increment); |
|
|
|
Initialize the internal counter environment variable |
|
|
|
=cut |
|
|
|
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(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'}; |
|
} |
|
} |
|
|
|
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) { |
|
$$pars[-1]->unget_token($token); last; |
|
} else { |
|
$result.=$token->[4]; |
|
} |
|
if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/) { $Apache::lonxml::usestyle=1; } |
|
if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/) { $Apache::lonxml::usestyle=0; } |
|
} elsif ($token->[0] eq 'E') { |
|
$result.=$token->[2]; |
|
} |
|
} |
|
if (($#$pars > 0) ) { |
|
pop(@$pars); |
|
pop(@Apache::lonxml::pwd); |
|
} else { last; } |
|
} |
|
} |
|
#&Apache::lonxml::debug("Exit:$result:"); |
|
return $result |
} |
} |
|
|
sub newparser { |
sub newparser { |
my ($parser,$contentref,$dir) = @_; |
my ($parser,$contentref,$dir) = @_; |
push (@$parser,HTML::TokeParser->new($contentref)); |
push (@$parser,HTML::LCParser->new($contentref)); |
$$parser['-1']->xml_mode('1'); |
$$parser[-1]->xml_mode(1); |
|
$$parser[-1]->marked_sections(1); |
if ( $dir eq '' ) { |
if ( $dir eq '' ) { |
push (@Apache::lonxml::pwd, $Apache::lonxml::pwd[$#Apache::lonxml::pwd]); |
push (@Apache::lonxml::pwd, $Apache::lonxml::pwd[$#Apache::lonxml::pwd]); |
} else { |
} else { |
push (@Apache::lonxml::pwd, $dir); |
push (@Apache::lonxml::pwd, $dir); |
} |
} |
# &Apache::lonxml::debug("pwd:$#Apache::lonxml::pwd"); |
|
# &Apache::lonxml::debug("pwd:$Apache::lonxml::pwd[$#Apache::lonxml::pwd]"); |
|
} |
} |
|
|
sub parstring { |
sub parstring { |
my ($token) = @_; |
my ($token) = @_; |
my $temp=''; |
my (@vars,@values); |
map { |
foreach my $attr (@{$token->[3]}) { |
unless ($_=~/\W/) { |
if ($attr!~/\W/) { |
my $val=$token->[2]->{$_}; |
my $val=$token->[2]->{$attr}; |
$val =~ s/([\%\@\\])/\\$1/g; |
$val =~ s/([\%\@\\\"\'])/\\$1/g; |
#if ($val =~ m/^[\%\@]/) { $val="\\".$val; } |
$val =~ s/(\$[^\{a-zA-Z_])/\\$1/g; |
$temp .= "my \$$_=\"$val\";" |
$val =~ s/(\$)$/\\$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],$res); |
} |
} |
} @{$token->[3]}; |
push(@Apache::lonxml::extlinks,$res) |
return $temp; |
|
} |
} |
|
|
sub writeallows { |
sub writeallows { |
my $thisurl='/res/'.&Apache::lonnet::declutter(shift); |
unless ($#extlinks>=0) { return; } |
|
my $thisurl = &Apache::lonnet::clutter(shift); |
|
if ($env{'httpref.'.$thisurl}) { |
|
$thisurl=$env{'httpref.'.$thisurl}; |
|
} |
my $thisdir=$thisurl; |
my $thisdir=$thisurl; |
$thisdir=~s/\/[^\/]+$//; |
$thisdir=~s/\/[^\/]+$//; |
my %httpref=(); |
my %httpref=(); |
map { |
foreach (@extlinks) { |
$httpref{'httpref.'. |
$httpref{'httpref.'. |
&Apache::lonnet::hreflocation($thisdir,$_)}=$thisurl; } @extlinks; |
&Apache::lonnet::hreflocation($thisdir,&unescape($_))}=$thisurl; |
|
} |
|
@extlinks=(); |
&Apache::lonnet::appenv(%httpref); |
&Apache::lonnet::appenv(%httpref); |
} |
} |
|
|
|
sub register_ssi { |
|
my ($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($url,%form); |
|
} |
|
} |
|
|
|
sub add_script_result { |
|
my ($display) = @_; |
|
push(@script_var_displays, $display); |
|
} |
|
|
# |
# |
# Afterburner handles anchors, highlights and links |
# Afterburner handles anchors, highlights and links |
# |
# |
sub afterburn { |
sub afterburn { |
my $result=shift; |
my $result=shift; |
map { |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
my ($name, $value) = split(/=/,$_); |
['highlight','anchor','link']); |
$value =~ tr/+/ /; |
if ($env{'form.highlight'}) { |
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
foreach (split(/\,/,$env{'form.highlight'})) { |
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 { |
|
my $anchorname=$_; |
my $anchorname=$_; |
my $matchthis=$anchorname; |
my $matchthis=$anchorname; |
$matchthis=~s/\_+/\\s\+/g; |
$matchthis=~s/\_+/\\s\+/g; |
$result=~s/($matchthis)/\<font color=\"red\"\>$1\<\/font\>/gs; |
$result=~s/(\Q$matchthis\E)/\<font color=\"red\"\>$1\<\/font\>/gs; |
} split(/\,/,$ENV{'form.highlight'}); |
} |
} |
} |
if ($ENV{'form.link'}) { |
if ($env{'form.link'}) { |
map { |
foreach (split(/\,/,$env{'form.link'})) { |
my ($anchorname,$linkurl)=split(/\>/,$_); |
my ($anchorname,$linkurl)=split(/\>/,$_); |
my $matchthis=$anchorname; |
my $matchthis=$anchorname; |
$matchthis=~s/\_+/\\s\+/g; |
$matchthis=~s/\_+/\\s\+/g; |
$result=~s/($matchthis)/\<a href=\"$linkurl\"\>$1\<\/a\>/gs; |
$result=~s/(\Q$matchthis\E)/\<a href=\"$linkurl\"\>$1\<\/a\>/gs; |
} split(/\,/,$ENV{'form.link'}); |
} |
} |
} |
if ($ENV{'form.anchor'}) { |
if ($env{'form.anchor'}) { |
my $anchorname=$ENV{'form.anchor'}; |
my $anchorname=$env{'form.anchor'}; |
my $matchthis=$anchorname; |
my $matchthis=$anchorname; |
$matchthis=~s/\_+/\\s\+/g; |
$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"); |
$result.=(<<"ENDSCRIPT"); |
<script> |
<script type="text/javascript"> |
document.location.hash='$anchorname'; |
document.location.hash='$anchorname'; |
</script> |
</script> |
ENDSCRIPT |
ENDSCRIPT |
Line 706 ENDSCRIPT
|
Line 1310 ENDSCRIPT
|
|
|
sub storefile { |
sub storefile { |
my ($file,$contents)=@_; |
my ($file,$contents)=@_; |
|
&Apache::lonnet::correct_line_ends(\$contents); |
if (my $fh=Apache::File->new('>'.$file)) { |
if (my $fh=Apache::File->new('>'.$file)) { |
print $fh $contents; |
print $fh $contents; |
$fh->close(); |
$fh->close(); |
|
return 1; |
|
} else { |
|
&warning("Unable to save file $file"); |
|
return 0; |
} |
} |
} |
} |
|
|
sub inserteditinfo { |
sub createnewhtml { |
my ($result,$filecontents)=@_; |
my $title=&mt('Title of document goes here'); |
unless ($filecontents) { |
my $body=&mt('Body of document goes here'); |
$filecontents=(<<SIMPLECONTENT); |
my $filecontents=(<<SIMPLECONTENT); |
<html> |
<html> |
<head> |
<head> |
<title> |
<title>$title</title> |
Title of Document Goes Here |
|
</title> |
|
</head> |
</head> |
<body bgcolor="#FFFFFF"> |
<body bgcolor="#FFFFFF"> |
|
$body |
Body of Document Goes Here |
|
|
|
</body> |
</body> |
</html> |
</html> |
SIMPLECONTENT |
SIMPLECONTENT |
|
return $filecontents; |
|
} |
|
|
|
sub createnewsty { |
|
my $filecontents=(<<SIMPLECONTENT); |
|
<definetag name=""> |
|
<render> |
|
<web></web> |
|
<tex></tex> |
|
</render> |
|
</definetag> |
|
SIMPLECONTENT |
|
return $filecontents; |
|
} |
|
|
|
|
|
sub inserteditinfo { |
|
my ($filecontents,$filetype)=@_; |
|
$filecontents = &HTML::Entities::encode($filecontents,'<>&"'); |
|
# my $editheader='<a href="#editsection">Edit below</a><hr />'; |
|
my $xml_help = ''; |
|
my $initialize=''; |
|
my $textarea_id = 'filecont'; |
|
my ($add_to_onload, $add_to_onresize); |
|
my $addbuttons=&Apache::lonhtmlcommon::htmlareaaddbuttons(); |
|
$initialize=&Apache::lonhtmlcommon::spellheader(); |
|
if ($filetype eq 'html' |
|
&& (!&Apache::lonhtmlcommon::htmlareablocked() && |
|
&Apache::lonhtmlcommon::htmlareabrowser())) { |
|
$textarea_id .= '_htmlarea'; |
|
$initialize.=(<<FULLPAGE); |
|
<script type="text/javascript"> |
|
$addbuttons |
|
|
|
HTMLArea.loadPlugin("FullPage"); |
|
|
|
function initDocument() { |
|
var editor=new HTMLArea("filecont",config); |
|
editor.registerPlugin(FullPage); |
|
editor.generate(); |
|
setTimeout( |
|
function () { |
|
HTMLArea._addEvents(editor._doc, |
|
["keypress","mousedown"], unClean); |
|
editor._iframe.id = '$textarea_id'; |
|
resize_textarea('$textarea_id','LC_aftertextarea'); |
|
},300); |
|
} |
|
</script> |
|
FULLPAGE |
|
} else { |
|
$initialize.=(<<FULLPAGE); |
|
<script type="text/javascript"> |
|
$addbuttons |
|
function initDocument() { |
|
resize_textarea('$textarea_id','LC_aftertextarea'); |
|
} |
|
</script> |
|
FULLPAGE |
} |
} |
my $editheader='<a href="#editsection">Edit below</a><hr />'; |
|
|
$add_to_onload = 'initDocument();'; |
|
$add_to_onresize = "resize_textarea('$textarea_id','LC_aftertextarea');"; |
|
|
|
if ($filetype eq 'html') { |
|
$xml_help=&Apache::loncommon::helpLatexCheatsheet(); |
|
} |
|
|
|
my $cleanbut = ''; |
|
|
|
my $titledisplay=&display_title(); |
|
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); |
|
$cleanbut |
|
<input type="submit" name="discardview" accesskey="d" value="$lt{'dv'}" /> |
|
<input type="submit" name="Undo" accesskey="u" value="$lt{'un'}" /><hr /> |
|
<input type="submit" name="savethisfile" accesskey="s" value="$lt{'st'}" /> |
|
<input type="submit" name="viewmode" accesskey="v" value="$lt{'vi'}" /> |
|
BUTTONS |
|
$buttons.=&Apache::lonhtmlcommon::spelllink('xmledit','filecont'); |
|
my $textarea_events = &Apache::edit::element_change_detection(); |
|
my $form_events = &Apache::edit::form_change_detection(); |
my $editfooter=(<<ENDFOOTER); |
my $editfooter=(<<ENDFOOTER); |
|
$initialize |
<hr /> |
<hr /> |
<a name="editsection" /> |
<a name="editsection" /> |
<form method="post"> |
<form $form_events method="post" name="xmledit"> |
<textarea cols="80" rows="40" name="filecont">$filecontents</textarea> |
$xml_help |
|
<input type="hidden" name="editmode" value="$lt{'ed'}" /> |
|
$buttons<br /> |
|
<textarea $textarea_events style="width:100%" cols="80" rows="44" name="filecont" id="filecont">$filecontents</textarea> |
|
<div id="LC_aftertextarea"> |
|
<br />$buttons |
<br /> |
<br /> |
<input type="submit" name="savethisfile" value="Save this file" /> |
$titledisplay |
|
</div> |
</form> |
</form> |
|
</body> |
ENDFOOTER |
ENDFOOTER |
$result=~s/(\<body[^\>]*\>)/$1$editheader/is; |
return ($editfooter,$add_to_onload,$add_to_onresize);; |
$result=~s/(\<\/body\>)/$editfooter/is; |
|
return $result; |
|
} |
} |
|
|
sub handler { |
sub get_target { |
my $request=shift; |
my $viewgrades=&Apache::lonnet::allowed('vgr',$env{'request.course.id'}); |
|
if ( $env{'request.state'} eq 'published') { |
my $target='web'; |
if ( defined($env{'form.grade_target'}) |
|
&& ($viewgrades == 'F' )) { |
$Apache::lonxml::debug=0; |
return ($env{'form.grade_target'}); |
|
} elsif (defined($env{'form.grade_target'})) { |
if ($ENV{'browser.mathml'}) { |
if (($env{'form.grade_target'} eq 'web') || |
$request->content_type('text/xml'); |
($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 { |
} else { |
$request->content_type('text/html'); |
return 'web'; |
} |
} |
|
} |
$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 { |
|
$filetype='html'; |
|
} |
# |
# |
# Edit action? Save file. |
# Edit action? Save file. |
# |
# |
unless ($ENV{'request.state'} eq 'published') { |
if (!($env{'request.state'} eq 'published')) { |
if ($ENV{'form.savethisfile'}) { |
if ($env{'form.savethisfile'} || $env{'form.viewmode'} || $env{'form.Undo'}) { |
&storefile($file,$ENV{'form.filecont'}); |
my $html_file=&Apache::lonnet::getfile($file); |
} |
my $error = &Apache::lonhomework::handle_save_or_undo($request, \$html_file, \$env{'form.filecont'}); |
} |
} |
my %mystyle; |
} |
my $result = ''; |
my %mystyle; |
my $filecontents=&Apache::lonnet::getfile($file); |
my $result = ''; |
if ($filecontents == -1) { |
my $filecontents=&Apache::lonnet::getfile($file); |
$result=(<<ENDNOTFOUND); |
if ($filecontents eq -1) { |
<html> |
my $start_page=&Apache::loncommon::start_page('File Error'); |
<head> |
my $end_page=&Apache::loncommon::end_page(); |
<title>File not found</title> |
my $fnf=&mt('File not found'); |
</head> |
$result=(<<ENDNOTFOUND); |
<body bgcolor="#FFFFFF"> |
$start_page |
<b>File not found: $file</b> |
<b>$fnf: $file</b> |
</body> |
$end_page |
</html> |
|
ENDNOTFOUND |
ENDNOTFOUND |
$filecontents=''; |
$filecontents=''; |
} else { |
if ($env{'request.state'} ne 'published') { |
$result = &Apache::lonxml::xmlparse($target,$filecontents,'',%mystyle); |
if ($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'} || $env{'form.discardview'}) { |
|
&Apache::structuretags::reset_problem_globals(); |
|
$result = &Apache::lonxml::xmlparse($request,$target,$filecontents, |
|
'',%mystyle); |
|
# .html files may contain <problem> or <Task> need to clean |
|
# up if it did |
|
&Apache::structuretags::reset_problem_globals(); |
|
&Apache::lonhomework::finished_parsing(); |
|
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
|
['rawmode']); |
|
if ($env{'form.rawmode'}) { $result = $filecontents; } |
|
if ($filetype eq 'sty') { |
|
my $controls = |
|
($env{'request.state'} eq 'construct') ? &Apache::londefdef::edit_controls() |
|
: ''; |
|
my %options = ('bgcolor' => '#FFFFFF'); |
|
$result = |
|
&Apache::loncommon::start_page(undef,undef,\%options). |
|
$controls. |
|
$result. |
|
&Apache::loncommon::end_page(); |
|
} |
|
} |
|
} |
|
|
# |
# |
# Edit action? Insert editing commands |
# Edit action? Insert editing commands |
# |
# |
unless ($ENV{'request.state'} eq 'published') { |
unless ($env{'request.state'} eq 'published') { |
$result=&inserteditinfo($result,$filecontents); |
if ($env{'form.editmode'} && (!($env{'form.viewmode'})) && (!($env{'form.discardview'}))) |
} |
{ |
|
my ($edit_info, $add_to_onload, $add_to_onresize)= |
$request->print($result); |
&inserteditinfo($filecontents,$filetype); |
|
|
|
my $displayfile=$request->uri; |
|
$displayfile=~s/^\/[^\/]*//; |
|
my %options = |
|
('add_entries' => |
|
{'onresize' => $add_to_onresize, |
|
'onload' => $add_to_onload, }); |
|
|
|
if ($env{'environment.remote'} ne 'off') { |
|
$options{'bgcolor'} = '#FFFFFF'; |
|
$options{'only_body'} = 1; |
|
} |
|
my $js = |
|
&Apache::edit::js_change_detection(). |
|
&Apache::loncommon::resize_textarea_js(); |
|
my $start_page = &Apache::loncommon::start_page(undef,$js, |
|
\%options); |
|
$result=$start_page. |
|
&Apache::lonxml::message_location().'<h3>'. |
|
$displayfile. |
|
'</h3>'. |
|
$edit_info. |
|
&Apache::loncommon::end_page(); |
|
} |
|
} |
|
if ($filetype eq 'html') { &writeallows($request->uri); } |
|
|
|
&Apache::lonxml::add_messages(\$result); |
|
$request->print($result); |
|
|
|
return OK; |
|
} |
|
|
writeallows($request->uri); |
sub display_title { |
return OK; |
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 $result; |
} |
} |
|
|
sub debug { |
sub debug { |
if ($Apache::lonxml::debug eq 1) { |
if ($Apache::lonxml::debug eq "1") { |
print "DEBUG:".$_[0]."<br />\n"; |
$|=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($_[0]); |
|
} |
|
} |
|
|
|
sub show_error_warn_msg { |
|
if ($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' |
|
&& |
|
$env{'form.show_errors'} eq 'on')); |
} |
} |
|
|
sub error { |
sub error { |
if (($Apache::lonxml::debug eq 1) || ($ENV{'request.state'} eq 'construct') ) { |
my @errors = @_; |
print "<b>ERROR:</b>".$_[0]."<br />\n"; |
|
} else { |
$errorcount++; |
print "<b>An Error occured while processing this resource. The instructor has been notified.</b> <br />"; |
|
#notify author |
if (defined($Apache::inputtags::part)) { |
&Apache::lonmsg::author_res_msg($ENV{'request.filename'},$_[0]); |
if ( @Apache::inputtags::response ) { |
#notify course |
push(@errors, |
if ( $ENV{'request.course.id'} ) { |
&mt("This error occurred while processing response [_1] in part [_2]", |
my $users=$ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'}; |
$Apache::inputtags::response[-1], |
foreach my $user (split /\,/, $users) { |
$Apache::inputtags::part)); |
($user,my $domain) = split /:/, $user; |
} else { |
&Apache::lonmsg::user_normal_msg($user,$domain,"Error in $ENV{'request.filename'}",$_[0]); |
push(@errors, |
} |
&mt("This error occurred while processing part [_1]", |
|
$Apache::inputtags::part)); |
|
} |
} |
} |
|
|
#FIXME probably shouldn't have me get everything forever. |
if ( &show_error_warn_msg() ) { |
&Apache::lonmsg::user_normal_msg('albertel','msu',"Error in $ENV{'request.filename'}",$_[0]); |
# If printing in construction space, put the error inside <pre></pre> |
#&Apache::lonmsg::user_normal_msg('albertel','103',"Error in $ENV{'request.filename'}",$_[0]); |
push(@Apache::lonxml::error_messages, |
} |
$Apache::lonxml::warnings_error_header. |
|
"<b>ERROR:</b>".join("<br />\n",@errors)."<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."); |
|
} |
|
my $host=$Apache::lonnet::perlvar{'lonHostID'}; |
|
push(@errors, "The error occurred on host <tt>$host</tt>"); |
|
|
|
my $msg = join('<br />', @errors); |
|
|
|
#notify author |
|
&Apache::lonmsg::author_res_msg($env{'request.filename'},$msg); |
|
#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::lonmsg::decide_receiver(undef,0,1,1,1); |
|
my $declutter=&Apache::lonnet::declutter($env{'request.filename'}); |
|
my $baseurl = &Apache::lonnet::clutter($declutter); |
|
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) { |
|
my $title = &Apache::lonnet::gettitle($symb); |
|
my $sentmessage; |
|
&Apache::lonmsg::user_normal_msg($user,$domain, |
|
"Error [$title]",$msg,'',$baseurl,'','', |
|
\$sentmessage,$symb,$title,1); |
|
&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 { |
sub warning { |
if ($ENV{'request.state'} eq 'construct') { |
$warningcount++; |
print "<b>W</b>ARNING<b>:</b>".$_[0]."<br />\n"; |
|
} |
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 { |
sub get_param { |
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 ( ! $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($2)/ei) { |
|
return &Apache::run::run("{$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,$context,$case_insensitive) = @_; |
if ( ! $context ) { $context = -1; } |
if ( ! $context ) { $context = -1; } |
my $args =''; |
my $args =''; |
if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; } |
if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; } |
return &Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #' |
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)/ei)) { |
|
return undef; |
|
} |
|
} elsif ( $args !~ /my .*\$\Q$param\E[,\)]/ ) { return undef; } |
|
my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #' |
|
&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; |
|
} |
|
} |
|
|
|
sub register_insert_xml { |
|
my $parser = HTML::LCParser->new($Apache::lonnet::perlvar{'lonTabDir'} |
|
.'/insertlist.xml'); |
|
my ($tagnum,$in_help)=(0,0); |
|
my @alltags; |
|
my $tag; |
|
while (my $token = $parser->get_token()) { |
|
if ($token->[0] eq 'S') { |
|
my $key; |
|
if ($token->[1] eq 'tag') { |
|
$tag = $token->[2]{'name'}; |
|
$insertlist{"$tagnum.tag"} = $tag; |
|
$insertlist{"$tag.num"} = $tagnum; |
|
push(@alltags,$tag); |
|
} elsif ($in_help && $token->[1] eq 'file') { |
|
$key = $tag.'.helpfile'; |
|
} elsif ($in_help && $token->[1] eq 'description') { |
|
$key = $tag.'.helpdesc'; |
|
} elsif ($token->[1] eq 'description' || |
|
$token->[1] eq 'color' || |
|
$token->[1] eq 'show' ) { |
|
$key = $tag.'.'.$token->[1]; |
|
} elsif ($token->[1] eq 'insert_sub') { |
|
$key = $tag.'.function'; |
|
} elsif ($token->[1] eq 'help') { |
|
$in_help=1; |
|
} elsif ($token->[1] eq 'allow') { |
|
$key = $tag.'.allow'; |
|
} |
|
if (defined($key)) { |
|
$insertlist{$key} = $parser->get_text(); |
|
$insertlist{$key} =~ s/(^\s*|\s*$ )//gx; |
|
} |
|
} elsif ($token->[0] eq 'E') { |
|
if ($token->[1] eq 'tag') { |
|
undef($tag); |
|
$tagnum++; |
|
} elsif ($token->[1] eq 'help') { |
|
undef($in_help); |
|
} |
|
} |
|
} |
|
|
|
# parse the allows and ignore tags set to <show>no</show> |
|
foreach my $tag (@alltags) { |
|
next if (!exists($insertlist{"$tag.allow"})); |
|
my $allow = $insertlist{"$tag.allow"}; |
|
foreach my $element (split(',',$allow)) { |
|
$element =~ s/(^\s*|\s*$ )//gx; |
|
if (!exists($insertlist{"$element.show"}) |
|
|| $insertlist{"$element.show"} ne 'no') { |
|
push(@{ $insertlist{$tag.'.which'} },$element); |
|
} |
|
} |
|
} |
} |
} |
|
|
sub register_insert { |
sub register_insert { |
my @data = split /\n/, &Apache::lonnet::getfile('/home/httpd/lonTabs/insertlist.tab'); |
return ®ister_insert_xml(@_); |
my $i; |
# &dump_insertlist('2'); |
my $tagnum=0; |
} |
my @order; |
|
for ($i=0;$i < $#data; $i++) { |
sub dump_insertlist { |
my $line = $data[$i]; |
my ($ext) = @_; |
if ( $line =~ /^\#/ || $line =~ /^\s*\n/) { next; } |
open(XML,">/tmp/insertlist.xml.$ext"); |
if ( $line =~ /TABLE/ ) { last; } |
print XML ("<insertlist>"); |
my ($tag,$descrip,$function,$show) = split(/,/, $line); |
my $i=0; |
$insertlist{"$tagnum.tag"} = $tag; |
|
$insertlist{"$tagnum.description"} = $descrip; |
while (exists($insertlist{"$i.tag"})) { |
$insertlist{"$tagnum.function"} = $function; |
my $tag = $insertlist{"$i.tag"}; |
$insertlist{"$tagnum.show"}= $show; |
print XML (" |
$tagnum++; |
\t<tag name=\"$tag\">"); |
} |
if (defined($insertlist{"$tag.description"})) { |
$i++; #skipping TABLE line |
print XML (" |
$tagnum = 0; |
\t\t<description>".$insertlist{"$tag.description"}."</description>"); |
for (;$i < $#data;$i++) { |
|
my $line = $data[$i]; |
|
my ($mnemonic,@which) = split(/ +/,$line); |
|
my $tag = $insertlist{"$tagnum.tag"}; |
|
for (my $j=0;$j <$#which;$j++) { |
|
if ( $which[$j] eq 'Y' ) { |
|
if ($insertlist{"$j.show"} ne 'no') { |
|
push(@{ $insertlist{"$tag.which"} },$j); |
|
} |
} |
} |
if (defined($insertlist{"$tag.color"})) { |
|
print XML (" |
|
\t\t<color>".$insertlist{"$tag.color"}."</color>"); |
|
} |
|
if (defined($insertlist{"$tag.function"})) { |
|
print XML (" |
|
\t\t<insert_sub>".$insertlist{"$tag.function"}."</insert_sub>"); |
|
} |
|
if (defined($insertlist{"$tag.show"}) |
|
&& $insertlist{"$tag.show"} ne 'yes') { |
|
print XML (" |
|
\t\t<show>".$insertlist{"$tag.show"}."</show>"); |
|
} |
|
if (defined($insertlist{"$tag.helpfile"})) { |
|
print XML (" |
|
\t\t<help> |
|
\t\t\t<file>".$insertlist{"$tag.helpfile"}."</file>"); |
|
if ($insertlist{"$tag.helpdesc"} ne '') { |
|
print XML (" |
|
\t\t\t<description>".$insertlist{"$tag.helpdesc"}."</description>"); |
|
} |
|
print XML (" |
|
\t\t</help>"); |
|
} |
|
if (defined($insertlist{"$tag.which"})) { |
|
print XML (" |
|
\t\t<allow>".join(',',sort(@{ $insertlist{"$tag.which"} }))."</allow>"); |
|
} |
|
print XML (" |
|
\t</tag>"); |
|
$i++; |
} |
} |
$tagnum++; |
print XML ("\n</insertlist>\n"); |
} |
close(XML); |
|
} |
|
|
|
sub description { |
|
my ($token)=@_; |
|
my $tag = &get_tag($token); |
|
return $insertlist{$tag.'.description'}; |
} |
} |
|
|
|
# Returns a list containing the help file, and the description |
|
sub helpinfo { |
|
my ($token)=@_; |
|
my $tag = &get_tag($token); |
|
return ($insertlist{$tag.'.helpfile'}, $insertlist{$tag.'.helpdesc'}); |
|
} |
|
|
|
sub get_tag { |
|
my ($token)=@_; |
|
my $tagnum; |
|
my $tag=$token->[1]; |
|
foreach my $namespace (reverse(@Apache::lonxml::namespace)) { |
|
my $testtag = $namespace.'::'.$tag; |
|
$tagnum = $insertlist{"$testtag.num"}; |
|
last if (defined($tagnum)); |
|
} |
|
if (!defined($tagnum)) { |
|
$tagnum = $Apache::lonxml::insertlist{"$tag.num"}; |
|
} |
|
return $insertlist{"$tagnum.tag"}; |
|
} |
|
|
1; |
1; |
__END__ |
__END__ |
|
|