version 1.16, 2000/08/03 19:34:11
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version 1.99, 2001/07/03 20:58:27
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Line 2
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Line 2
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# XML Parser Module |
# XML Parser Module |
# |
# |
# last modified 06/26/00 by Alexander Sakharuk |
# last modified 06/26/00 by Alexander Sakharuk |
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# 11/6 Gerd Kortemeyer |
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# 6/1/1 Gerd Kortemeyer |
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# 2/21,3/13 Guy |
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# 3/29,5/4 Gerd Kortemeyer |
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# 5/10 Scott Harrison |
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# 5/26 Gerd Kortemeyer |
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# 5/27 H. K. Ng |
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# 6/2,6/3,6/8,6/9 Gerd Kortemeyer |
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# 6/12,6/13 H. K. Ng |
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# 6/16 Gerd Kortemeyer |
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package Apache::lonxml; |
package Apache::lonxml; |
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use vars |
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qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace); |
use strict; |
use strict; |
use HTML::TokeParser; |
use HTML::TokeParser; |
use Safe; |
use Safe; |
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use Safe::Hole; |
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use Math::Cephes qw(:trigs :hypers :bessels erf erfc); |
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use Math::Random qw(:all); |
use Opcode; |
use Opcode; |
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sub register { |
sub register { |
Line 19 sub register {
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Line 33 sub register {
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$Apache::lonxml::alltags{$temptag}=$space; |
$Apache::lonxml::alltags{$temptag}=$space; |
} |
} |
} |
} |
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use Apache::style; |
use Apache::Constants qw(:common); |
use Apache::lontexconvert; |
use Apache::lontexconvert; |
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use Apache::style; |
use Apache::run; |
use Apache::run; |
use Apache::londefdef; |
use Apache::londefdef; |
use Apache::scripttag; |
use Apache::scripttag; |
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use Apache::edit; |
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use Apache::lonnet; |
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use Apache::File; |
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#================================================== Main subroutine: xmlparse |
#================================================== Main subroutine: xmlparse |
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#debugging control, to turn on debugging modify the correct handler |
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$Apache::lonxml::debug=0; |
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#path to the directory containing the file currently being processed |
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@pwd=(); |
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#these two are used for capturing a subset of the output for later processing, |
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#don't touch them directly use &startredirection and &endredirection |
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@outputstack = (); |
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$redirection = 0; |
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#controls wheter the <import> tag actually does |
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$import = 1; |
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@extlinks=(); |
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# meta mode is a bit weird only some output is to be turned off |
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#<output> tag turns metamode off (defined in londefdef.pm) |
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$metamode = 0; |
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# turns on and of run::evaluate actually derefencing var refs |
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$evaluate = 1; |
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# data structure for eidt mode, determines what tags can go into what other tags |
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%insertlist=(); |
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# stores the list of active tag namespaces |
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@namespace=(); |
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# has the dynamic menu been updated to know about this resource |
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$Apache::lonxml::registered=0; |
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sub xmlbegin { |
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my $output=''; |
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if ($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 { |
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return '</html>'; |
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} |
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sub fontsettings() { |
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my $headerstring=''; |
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if (($ENV{'browser.os'} eq 'mac') && (!$ENV{'browser.mathml'})) { |
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$headerstring.= |
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'<meta Content-Type="text/html; charset=x-mac-roman">'; |
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} |
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return $headerstring; |
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} |
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sub registerurl { |
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if ($Apache::lonxml::registered) { return ''; } |
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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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menu.switchbutton |
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(9,1,'sbkm.gif','set','bookmark','set_bookmark()'); |
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menu.switchbutton |
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(9,2,'vbkm.gif','view','bookmark','edit_bookmarks()'); |
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menu.switchbutton |
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(9,3,'anot.gif','anno-','tations','annotate()'); |
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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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'clearbut(9,1);clearbut(9,2);clearbut(9,3);', |
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2000); |
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} |
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// END LON-CAPA Internal |
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</script> |
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ENDREGTHIS |
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} else { |
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return (<<ENDDONOTREGTHIS); |
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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.currentStale=1; |
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menu.clearbut(2,1); |
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menu.clearbut(2,3); |
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menu.clearbut(8,1); |
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menu.clearbut(8,2); |
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menu.clearbut(8,3); |
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if (menu.currentURL) { |
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menu.switchbutton |
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(3,1,'reload.gif','return','location','go(currentURL)'); |
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} else { |
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menu.clearbut(3,1); |
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} |
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} |
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function LONCAPAstale() { |
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} |
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// END LON-CAPA Internal |
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</script> |
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ENDDONOTREGTHIS |
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} |
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} |
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sub loadevents() { |
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return 'LONCAPAreg();'; |
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} |
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sub unloadevents() { |
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return 'LONCAPAstale();'; |
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} |
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sub printalltags { |
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my $temp; |
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foreach $temp (sort keys %Apache::lonxml::alltags) { |
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&Apache::lonxml::debug("$temp -- $Apache::lonxml::alltags{$temp}"); |
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} |
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} |
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sub xmlparse { |
sub xmlparse { |
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my ($target,$content_file_string,$safeinit,%style_for_target) = @_; |
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my ($target,$content_file_string,%style_for_target) = @_; |
&setup_globals($target); |
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#&printalltags(); |
my @pars = (); |
my @pars = (); |
push (@pars,HTML::TokeParser->new(\$content_file_string)); |
@Apache::lonxml::pwd=(); |
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my $pwd=$ENV{'request.filename'}; |
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$pwd =~ s:/[^/]*$::; |
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&newparser(\@pars,\$content_file_string,$pwd); |
my $currentstring = ''; |
my $currentstring = ''; |
my $finaloutput = ''; |
my $finaloutput = ''; |
my $newarg = ''; |
my $newarg = ''; |
my $result; |
my $result; |
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my $safeeval = new Safe; |
my $safeeval = new Safe; |
$safeeval->permit("entereval"); |
my $safehole = new Safe::Hole; |
$safeeval->permit(":base_math"); |
&init_safespace($target,$safeeval,$safehole,$safeinit); |
#-------------------- Redefinition of the target in the case of compound target |
#-------------------- Redefinition of the target in the case of compound target |
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($target, my @tenta) = split('&&',$target); |
($target, my @tenta) = split('&&',$target); |
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my @stack = (); |
my @stack = (); |
my @parstack = (); |
my @parstack = (); |
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&initdepth; |
my $token; |
my $token; |
print $#pars; |
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while ( $#pars > -1 ) { |
while ( $#pars > -1 ) { |
while ($token = $pars[$#pars]->get_token) { |
while ($token = $pars[$#pars]->get_token) { |
if ($token->[0] eq 'T') { |
if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) { |
$result=$token->[1]; |
if ($metamode<1) { $result=$token->[1]; } |
# $finaloutput .= &Apache::run::evaluate($token->[1],$safeeval,''); |
} elsif ($token->[0] eq 'PI') { |
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if ($metamode<1) { $result=$token->[2]; } |
} elsif ($token->[0] eq 'S') { |
} elsif ($token->[0] eq 'S') { |
# add tag to stack |
# add tag to stack |
push (@stack,$token->[1]); |
push (@stack,$token->[1]); |
# add parameters list to another stack |
# add parameters list to another stack |
push (@parstack,&parstring($token)); |
push (@parstack,&parstring($token)); |
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&increasedepth($token); |
if (exists $style_for_target{$token->[1]}) { |
if (exists $style_for_target{$token->[1]}) { |
$finaloutput .= &recurse($style_for_target{$token->[1]}, |
if ($Apache::lonxml::redirection) { |
$target,$safeeval,\%style_for_target, |
$Apache::lonxml::outputstack['-1'] .= |
@parstack); |
&recurse($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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} |
} else { |
} else { |
my $result = &callsub("start_$token->[1]", $target, $token,\@parstack, |
$result = &callsub("start_$token->[1]", $target, $token, \@stack, |
\@pars, $safeeval, \%style_for_target); |
\@parstack, \@pars, $safeeval, \%style_for_target); |
} |
} |
} elsif ($token->[0] eq 'E') { |
} elsif ($token->[0] eq 'E') { |
#clear out any tags that didn't end |
#clear out any tags that didn't end |
while ($token->[1] ne $stack[$#stack] |
while ($token->[1] ne $stack[$#stack] && ($#stack > -1)) { |
&& ($#stack > -1)) {pop @stack;pop @parstack;} |
&Apache::lonxml::warning("Unbalanced tags in resource $stack['-1']"); |
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&end_tag(\@stack,\@parstack,$token); |
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} |
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if (exists $style_for_target{'/'."$token->[1]"}) { |
if (exists $style_for_target{'/'."$token->[1]"}) { |
$finaloutput .= &recurse($style_for_target{'/'."$token->[1]"}, |
if ($Apache::lonxml::redirection) { |
$target,$safeeval,\%style_for_target, |
$Apache::lonxml::outputstack['-1'] .= |
@parstack); |
&recurse($style_for_target{'/'."$token->[1]"}, |
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$target,$safeeval,\%style_for_target,@parstack); |
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} else { |
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$finaloutput .= &recurse($style_for_target{'/'."$token->[1]"}, |
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$target,$safeeval,\%style_for_target, |
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@parstack); |
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} |
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} else { |
} else { |
my $result = &callsub("end_$token->[1]", $target, $token, \@parstack, |
$result = &callsub("end_$token->[1]", $target, $token, \@stack, |
\@pars,$safeeval, \%style_for_target); |
\@parstack, \@pars,$safeeval, \%style_for_target); |
} |
} |
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} else { |
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&Apache::lonxml::error("Unknown token event :$token->[0]:$token->[1]:"); |
} |
} |
if ($result ne "" ) { |
#evaluate variable refs in result |
if ( $#parstack > -1 ) { |
if ($result ne "") { |
$finaloutput .= &Apache::run::evaluate($result,$safeeval, |
if ( $#parstack > -1 ) { |
$parstack[$#parstack]); |
if ($Apache::lonxml::redirection) { |
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$Apache::lonxml::outputstack['-1'] .= |
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&Apache::run::evaluate($result,$safeeval,$parstack[$#parstack]); |
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} else { |
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$finaloutput .= &Apache::run::evaluate($result,$safeeval, |
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$parstack[$#parstack]); |
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} |
} else { |
} else { |
$finaloutput .= &Apache::run::evaluate($result,$safeeval,''); |
$finaloutput .= &Apache::run::evaluate($result,$safeeval,''); |
} |
} |
$result = ''; |
$result = ''; |
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} |
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if ($token->[0] eq 'E') { |
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&end_tag(\@stack,\@parstack,$token); |
} |
} |
if ($token->[0] eq 'E') { pop @stack;pop @parstack; } |
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} |
} |
pop @pars; |
pop @pars; |
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pop @Apache::lonxml::pwd; |
} |
} |
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# if ($target eq 'meta') { |
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# $finaloutput.=&endredirection; |
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# } |
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if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) { |
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$finaloutput=&afterburn($finaloutput); |
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} |
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return $finaloutput; |
return $finaloutput; |
} |
} |
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sub recurse { |
sub recurse { |
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my @innerstack = (); |
my @innerstack = (); |
my @innerparstack = (); |
my @innerparstack = (); |
my ($newarg,$target,$safeeval,$style_for_target,@parstack) = @_; |
my ($newarg,$target,$safeeval,$style_for_target,@parstack) = @_; |
my @pat = (); |
my @pat = (); |
push (@pat,HTML::TokeParser->new(\$newarg)); |
&newparser(\@pat,\$newarg); |
my $tokenpat; |
my $tokenpat; |
my $partstring = ''; |
my $partstring = ''; |
my $output=''; |
my $output=''; |
my $decls=''; |
my $decls=''; |
while ( $#pat > -1 ) { |
while ( $#pat > -1 ) { |
while ($tokenpat = $pat[$#pat]->get_token) { |
while ($tokenpat = $pat[$#pat]->get_token) { |
if ($tokenpat->[0] eq 'T') { |
if (($tokenpat->[0] eq 'T') || ($tokenpat->[0] eq 'C') || ($tokenpat->[0] eq 'D') ) { |
$partstring = $tokenpat->[1]; |
if ($metamode<1) { $partstring=$tokenpat->[1]; } |
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} elsif ($tokenpat->[0] eq 'PI') { |
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if ($metamode<1) { $partstring=$tokenpat->[2]; } |
} elsif ($tokenpat->[0] eq 'S') { |
} elsif ($tokenpat->[0] eq 'S') { |
push (@innerstack,$tokenpat->[1]); |
push (@innerstack,$tokenpat->[1]); |
push (@innerparstack,&parstring($tokenpat)); |
push (@innerparstack,&parstring($tokenpat)); |
$partstring = &callsub("start_$tokenpat->[1]", |
&increasedepth($tokenpat); |
$target, $tokenpat, \@innerparstack, |
$partstring = &callsub("start_$tokenpat->[1]", $target, $tokenpat, |
\@pat, $safeeval, $style_for_target); |
\@innerstack, \@innerparstack, \@pat, |
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$safeeval, $style_for_target); |
} elsif ($tokenpat->[0] eq 'E') { |
} elsif ($tokenpat->[0] eq 'E') { |
#clear out any tags that didn't end |
#clear out any tags that didn't end |
while ($tokenpat->[1] ne $innerstack[$#innerstack] |
while ($tokenpat->[1] ne $innerstack[$#innerstack] |
&& ($#innerstack > -1)) {pop @innerstack;pop @innerparstack;} |
&& ($#innerstack > -1)) { |
$partstring = &callsub("end_$tokenpat->[1]", |
&Apache::lonxml::warning("Unbalanced tags in resource $innerstack['-1']"); |
$target, $tokenpat, \@innerparstack, |
&end_tag(\@innerstack,\@innerparstack,$tokenpat); |
\@pat, $safeeval, $style_for_target); |
} |
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$partstring = &callsub("end_$tokenpat->[1]", $target, $tokenpat, |
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\@innerstack, \@innerparstack, \@pat, |
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$safeeval, $style_for_target); |
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} else { |
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&Apache::lonxml::error("Unknown token event :$tokenpat->[0]:$tokenpat->[1]:"); |
} |
} |
#pass both the variable to the style tag, and the tag we |
#pass both the variable to the style tag, and the tag we |
#are processing inside the <definedtag> |
#are processing inside the <definedtag> |
Line 144 sub recurse {
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Line 394 sub recurse {
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$output .= &Apache::run::evaluate($partstring,$safeeval,$decls); |
$output .= &Apache::run::evaluate($partstring,$safeeval,$decls); |
$partstring = ''; |
$partstring = ''; |
} |
} |
if ($tokenpat->[0] eq 'E') { pop @innerstack;pop @innerparstack; } |
if ($tokenpat->[0] eq 'E') { pop @innerstack;pop @innerparstack; |
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&decreasedepth($tokenpat);} |
} |
} |
pop @pat; |
pop @pat; |
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pop @Apache::lonxml::pwd; |
} |
} |
return $output; |
return $output; |
} |
} |
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sub callsub { |
sub callsub { |
my ($sub,$target,$token,$parstack,$parser,$safeeval,$style)=@_; |
my ($sub,$target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $currentstring=''; |
my $currentstring=''; |
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my $nodefault; |
{ |
{ |
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my $sub1; |
no strict 'refs'; |
no strict 'refs'; |
if (my $space=$Apache::lonxml::alltags{$token->[1]}) { |
my $tag=$token->[1]; |
#print "Calling sub $sub in $space \n"; |
my $space=$Apache::lonxml::alltags{$tag}; |
$sub="$space\:\:$sub"; |
if (!$space) { |
$currentstring = &$sub($target,$token,$parstack,$parser, |
$tag=~tr/A-Z/a-z/; |
$safeeval,$style); |
$sub=~tr/A-Z/a-z/; |
} else { |
$space=$Apache::lonxml::alltags{$tag} |
#print "NOT Calling sub $sub\n"; |
} |
if (defined($token->[4])) { |
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$currentstring = $token->[4]; |
my $deleted=0; |
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$Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter); |
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if (($token->[0] eq 'S') && ($target eq 'modified')) { |
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$deleted=&Apache::edit::handle_delete($space,$target,$token,$tagstack, |
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$parstack,$parser,$safeeval, |
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$style); |
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} |
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if (!$deleted) { |
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if ($space) { |
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#&Apache::lonxml::debug("Calling sub $sub in $space $metamode<br />\n"); |
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$sub1="$space\:\:$sub"; |
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($currentstring,$nodefault) = &$sub1($target,$token,$tagstack, |
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$parstack,$parser,$safeeval, |
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$style); |
} else { |
} else { |
$currentstring = $token->[2]; |
#&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode<br />\n"); |
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if ($metamode <1) { |
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if (defined($token->[4]) && ($metamode < 1)) { |
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$currentstring = $token->[4]; |
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} else { |
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$currentstring = $token->[2]; |
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} |
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} |
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} |
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# &Apache::lonxml::debug("nodefalt:$nodefault:"); |
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if ($currentstring eq '' && $nodefault eq '') { |
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if ($target eq 'edit') { |
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&Apache::lonxml::debug("doing default edit for $token->[1]"); |
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if ($token->[0] eq 'S') { |
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$currentstring = &Apache::edit::tag_start($target,$token); |
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} elsif ($token->[0] eq 'E') { |
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$currentstring = &Apache::edit::tag_end($target,$token); |
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} |
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} elsif ($target eq 'modified') { |
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if ($token->[0] eq 'S') { |
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$currentstring = $token->[4]; |
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$currentstring.=&Apache::edit::handle_insert(); |
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} else { |
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$currentstring = $token->[2]; |
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} |
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} |
} |
} |
} |
} |
use strict 'refs'; |
use strict 'refs'; |
Line 174 sub callsub {
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Line 466 sub callsub {
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return $currentstring; |
return $currentstring; |
} |
} |
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sub setup_globals { |
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my ($target)=@_; |
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$Apache::lonxml::registered = 0; |
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if ($target eq 'meta') { |
|
$Apache::lonxml::redirection = 0; |
|
$Apache::lonxml::metamode = 1; |
|
$Apache::lonxml::evaluate = 1; |
|
$Apache::lonxml::import = 0; |
|
} elsif ($target eq 'grade') { |
|
&startredirection; |
|
$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; |
|
} else { |
|
$Apache::lonxml::redirection = 0; |
|
$Apache::lonxml::metamode = 0; |
|
$Apache::lonxml::evaluate = 1; |
|
$Apache::lonxml::import = 1; |
|
} |
|
} |
|
|
|
sub init_safespace { |
|
my ($target,$safeeval,$safehole,$safeinit) = @_; |
|
$safeeval->permit("entereval"); |
|
$safeeval->permit(":base_math"); |
|
$safeeval->permit("sort"); |
|
$safeeval->deny(":base_io"); |
|
$safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT'); |
|
|
|
$safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin'); |
|
$safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos'); |
|
$safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan'); |
|
$safehole->wrap(\&Math::Cephes::sinh,$safeeval,'&sinh'); |
|
$safehole->wrap(\&Math::Cephes::cosh,$safeeval,'&cosh'); |
|
$safehole->wrap(\&Math::Cephes::tanh,$safeeval,'&tanh'); |
|
$safehole->wrap(\&Math::Cephes::asinh,$safeeval,'&asinh'); |
|
$safehole->wrap(\&Math::Cephes::acosh,$safeeval,'&acosh'); |
|
$safehole->wrap(\&Math::Cephes::atanh,$safeeval,'&atanh'); |
|
$safehole->wrap(\&Math::Cephes::erf,$safeeval,'&erf'); |
|
$safehole->wrap(\&Math::Cephes::erfc,$safeeval,'&erfc'); |
|
$safehole->wrap(\&Math::Cephes::j0,$safeeval,'&j0'); |
|
$safehole->wrap(\&Math::Cephes::j1,$safeeval,'&j1'); |
|
$safehole->wrap(\&Math::Cephes::jn,$safeeval,'&jn'); |
|
$safehole->wrap(\&Math::Cephes::jv,$safeeval,'&jv'); |
|
$safehole->wrap(\&Math::Cephes::y0,$safeeval,'&y0'); |
|
$safehole->wrap(\&Math::Cephes::y1,$safeeval,'&y1'); |
|
$safehole->wrap(\&Math::Cephes::yn,$safeeval,'&yn'); |
|
$safehole->wrap(\&Math::Cephes::yv,$safeeval,'&yv'); |
|
$safehole->wrap(\&Math::Random::random_beta,$safeeval,'&math_random_beta'); |
|
$safehole->wrap(\&Math::Random::random_chi_square,$safeeval,'&math_random_chi_square'); |
|
$safehole->wrap(\&Math::Random::random_exponential,$safeeval,'&math_random_exponential'); |
|
$safehole->wrap(\&Math::Random::random_f,$safeeval,'&math_random_f'); |
|
$safehole->wrap(\&Math::Random::random_gamma,$safeeval,'&math_random_gamma'); |
|
$safehole->wrap(\&Math::Random::random_multivariate_normal,$safeeval,'&math_random_multivariate_normal'); |
|
$safehole->wrap(\&Math::Random::random_multinomial,$safeeval,'&math_random_multinomial'); |
|
$safehole->wrap(\&Math::Random::random_noncentral_chi_square,$safeeval,'&math_random_noncentral_chi_square'); |
|
$safehole->wrap(\&Math::Random::random_noncentral_f,$safeeval,'&math_random_noncentral_f'); |
|
$safehole->wrap(\&Math::Random::random_normal,$safeeval,'&math_random_normal'); |
|
$safehole->wrap(\&Math::Random::random_permutation,$safeeval,'&math_random_permutation'); |
|
$safehole->wrap(\&Math::Random::random_permuted_index,$safeeval,'&math_random_permuted_index'); |
|
$safehole->wrap(\&Math::Random::random_uniform,$safeeval,'&math_random_uniform'); |
|
$safehole->wrap(\&Math::Random::random_poisson,$safeeval,'&math_random_poisson'); |
|
$safehole->wrap(\&Math::Random::random_uniform_integer,$safeeval,'&math_random_uniform_integer'); |
|
$safehole->wrap(\&Math::Random::random_negative_binomial,$safeeval,'&math_random_negative_binomial'); |
|
$safehole->wrap(\&Math::Random::random_binomial,$safeeval,'&math_random_binomial'); |
|
$safehole->wrap(\&Math::Random::random_seed_from_phrase,$safeeval,'&random_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'); |
|
$safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed'); |
|
|
|
#need to inspect this class of ops |
|
# $safeeval->deny(":base_orig"); |
|
$safeinit .= ';$external::target="'.$target.'";'; |
|
$safeinit .= ';$external::randomseed='.&Apache::lonnet::rndseed().';'; |
|
&Apache::run::run($safeinit,$safeeval); |
|
} |
|
|
|
sub startredirection { |
|
$Apache::lonxml::redirection++; |
|
push (@Apache::lonxml::outputstack, ''); |
|
} |
|
|
|
sub endredirection { |
|
if (!$Apache::lonxml::redirection) { |
|
&Apache::lonxml::error("Endredirection was called, before a startredirection, perhaps you have unbalanced tags. Some debuging information:".join ":",caller); |
|
return ''; |
|
} |
|
$Apache::lonxml::redirection--; |
|
pop @Apache::lonxml::outputstack; |
|
} |
|
|
|
sub end_tag { |
|
my ($tagstack,$parstack,$token)=@_; |
|
pop(@$tagstack); |
|
pop(@$parstack); |
|
&decreasedepth($token); |
|
} |
|
|
|
sub initdepth { |
|
@Apache::lonxml::depthcounter=(); |
|
$Apache::lonxml::depth=-1; |
|
$Apache::lonxml::olddepth=-1; |
|
} |
|
|
|
sub increasedepth { |
|
my ($token) = @_; |
|
$Apache::lonxml::depth++; |
|
$Apache::lonxml::depthcounter[$Apache::lonxml::depth]++; |
|
if ($Apache::lonxml::depthcounter[$Apache::lonxml::depth]==1) { |
|
$Apache::lonxml::olddepth=$Apache::lonxml::depth; |
|
} |
|
my $curdepth=join('_',@Apache::lonxml::depthcounter); |
|
&Apache::lonxml::debug("s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n"); |
|
#print "<br />s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n"; |
|
} |
|
|
|
sub decreasedepth { |
|
my ($token) = @_; |
|
$Apache::lonxml::depth--; |
|
if ($Apache::lonxml::depth<$Apache::lonxml::olddepth-1) { |
|
$#Apache::lonxml::depthcounter--; |
|
$Apache::lonxml::olddepth=$Apache::lonxml::depth+1; |
|
} |
|
if ( $Apache::lonxml::depth < -1) { |
|
&Apache::lonxml::warning("Unbalanced tags in resource"); |
|
$Apache::lonxml::depth='-1'; |
|
} |
|
my $curdepth=join('_',@Apache::lonxml::depthcounter); |
|
&Apache::lonxml::debug("e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n"); |
|
#print "<br />e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n"; |
|
} |
|
|
|
sub get_all_text { |
|
|
|
my($tag,$pars)= @_; |
|
my $depth=0; |
|
my $token; |
|
my $result=''; |
|
if ( $tag =~ m:^/: ) { |
|
my $tag=substr($tag,1); |
|
# &Apache::lonxml::debug("have:$tag:"); |
|
while (($depth >=0) && ($token = $pars->get_token)) { |
|
# &Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]"); |
|
if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) { |
|
$result.=$token->[1]; |
|
} elsif ($token->[0] eq 'PI') { |
|
$result.=$token->[2]; |
|
} elsif ($token->[0] eq 'S') { |
|
if ($token->[1] eq $tag) { $depth++; } |
|
$result.=$token->[4]; |
|
} elsif ($token->[0] eq 'E') { |
|
if ( $token->[1] eq $tag) { $depth--; } |
|
#skip sending back the last end tag |
|
if ($depth > -1) { $result.=$token->[2]; } else { |
|
$pars->unget_token($token); |
|
} |
|
} |
|
} |
|
} else { |
|
while ($token = $pars->get_token) { |
|
# &Apache::lonxml::debug("s token:$token->[0]:$depth:$token->[1]"); |
|
if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) { |
|
$result.=$token->[1]; |
|
} elsif ($token->[0] eq 'PI') { |
|
$result.=$token->[2]; |
|
} elsif ($token->[0] eq 'S') { |
|
if ( $token->[1] eq $tag) { |
|
$pars->unget_token($token); last; |
|
} else { |
|
$result.=$token->[4]; |
|
} |
|
} elsif ($token->[0] eq 'E') { |
|
$result.=$token->[2]; |
|
} |
|
} |
|
} |
|
# &Apache::lonxml::debug("Exit:$result:"); |
|
return $result |
|
} |
|
|
|
sub newparser { |
|
my ($parser,$contentref,$dir) = @_; |
|
push (@$parser,HTML::TokeParser->new($contentref)); |
|
$$parser['-1']->xml_mode('1'); |
|
if ( $dir eq '' ) { |
|
push (@Apache::lonxml::pwd, $Apache::lonxml::pwd[$#Apache::lonxml::pwd]); |
|
} else { |
|
push (@Apache::lonxml::pwd, $dir); |
|
} |
|
# &Apache::lonxml::debug("pwd:$#Apache::lonxml::pwd"); |
|
# &Apache::lonxml::debug("pwd:$Apache::lonxml::pwd[$#Apache::lonxml::pwd]"); |
|
} |
|
|
sub parstring { |
sub parstring { |
my ($token) = @_; |
my ($token) = @_; |
my $temp=''; |
my $temp=''; |
map {$temp .= "my \$$_=\"$token->[2]->{$_}\";"} @{$token->[3]}; |
map { |
|
unless ($_=~/\W/) { |
|
my $val=$token->[2]->{$_}; |
|
$val =~ s/([\%\@\\])/\\$1/g; |
|
#if ($val =~ m/^[\%\@]/) { $val="\\".$val; } |
|
$temp .= "my \$$_=\"$val\";" |
|
} |
|
} @{$token->[3]}; |
return $temp; |
return $temp; |
} |
} |
1; |
|
__END__ |
|
|
|
|
sub writeallows { |
|
my $thisurl='/res/'.&Apache::lonnet::declutter(shift); |
|
my $thisdir=$thisurl; |
|
$thisdir=~s/\/[^\/]+$//; |
|
my %httpref=(); |
|
map { |
|
$httpref{'httpref.'. |
|
&Apache::lonnet::hreflocation($thisdir,$_)}=$thisurl; } @extlinks; |
|
&Apache::lonnet::appenv(%httpref); |
|
} |
|
|
|
# |
|
# Afterburner handles anchors, highlights and links |
|
# |
|
sub afterburn { |
|
my $result=shift; |
|
map { |
|
my ($name, $value) = split(/=/,$_); |
|
$value =~ tr/+/ /; |
|
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
|
if (($name eq 'highlight')||($name eq 'anchor')||($name eq 'link')) { |
|
unless ($ENV{'form.'.$name}) { |
|
$ENV{'form.'.$name}=$value; |
|
} |
|
} |
|
} (split(/&/,$ENV{'QUERY_STRING'})); |
|
if ($ENV{'form.highlight'}) { |
|
map { |
|
my $anchorname=$_; |
|
my $matchthis=$anchorname; |
|
$matchthis=~s/\_+/\\s\+/g; |
|
$result=~s/($matchthis)/\<font color=\"red\"\>$1\<\/font\>/gs; |
|
} split(/\,/,$ENV{'form.highlight'}); |
|
} |
|
if ($ENV{'form.link'}) { |
|
map { |
|
my ($anchorname,$linkurl)=split(/\>/,$_); |
|
my $matchthis=$anchorname; |
|
$matchthis=~s/\_+/\\s\+/g; |
|
$result=~s/($matchthis)/\<a href=\"$linkurl\"\>$1\<\/a\>/gs; |
|
} split(/\,/,$ENV{'form.link'}); |
|
} |
|
if ($ENV{'form.anchor'}) { |
|
my $anchorname=$ENV{'form.anchor'}; |
|
my $matchthis=$anchorname; |
|
$matchthis=~s/\_+/\\s\+/g; |
|
$result=~s/($matchthis)/\<a name=\"$anchorname\"\>$1\<\/a\>/s; |
|
$result.=(<<"ENDSCRIPT"); |
|
<script> |
|
document.location.hash='$anchorname'; |
|
</script> |
|
ENDSCRIPT |
|
} |
|
return $result; |
|
} |
|
|
|
sub storefile { |
|
my ($file,$contents)=@_; |
|
if (my $fh=Apache::File->new('>'.$file)) { |
|
print $fh $contents; |
|
$fh->close(); |
|
} |
|
} |
|
|
|
sub inserteditinfo { |
|
my ($result,$filecontents)=@_; |
|
unless ($filecontents) { |
|
$filecontents=(<<SIMPLECONTENT); |
|
<html> |
|
<head> |
|
<title> |
|
Title of Document Goes Here |
|
</title> |
|
</head> |
|
<body bgcolor="#FFFFFF"> |
|
|
|
Body of Document Goes Here |
|
|
|
</body> |
|
</html> |
|
SIMPLECONTENT |
|
} |
|
my $editheader='<a href="#editsection">Edit below</a><hr />'; |
|
my $editfooter=(<<ENDFOOTER); |
|
<hr /> |
|
<a name="editsection" /> |
|
<form method="post"> |
|
<textarea cols="80" rows="40" name="filecont">$filecontents</textarea> |
|
<br /> |
|
<input type="submit" name="savethisfile" value="Save this file" /> |
|
</form> |
|
ENDFOOTER |
|
$result=~s/(\<body[^\>]*\>)/$1$editheader/is; |
|
$result=~s/(\<\/body\>)/$editfooter/is; |
|
return $result; |
|
} |
|
|
|
sub handler { |
|
my $request=shift; |
|
|
|
my $target='web'; |
|
|
|
$Apache::lonxml::debug=0; |
|
|
|
if ($ENV{'browser.mathml'}) { |
|
$request->content_type('text/xml'); |
|
} else { |
|
$request->content_type('text/html'); |
|
} |
|
|
|
$request->send_http_header; |
|
|
|
return OK if $request->header_only; |
|
|
|
|
|
my $file=&Apache::lonnet::filelocation("",$request->uri); |
|
# |
|
# Edit action? Save file. |
|
# |
|
unless ($ENV{'request.state'} eq 'published') { |
|
if ($ENV{'form.savethisfile'}) { |
|
&storefile($file,$ENV{'form.filecont'}); |
|
} |
|
} |
|
my %mystyle; |
|
my $result = ''; |
|
my $filecontents=&Apache::lonnet::getfile($file); |
|
if ($filecontents == -1) { |
|
$result=(<<ENDNOTFOUND); |
|
<html> |
|
<head> |
|
<title>File not found</title> |
|
</head> |
|
<body bgcolor="#FFFFFF"> |
|
<b>File not found: $file</b> |
|
</body> |
|
</html> |
|
ENDNOTFOUND |
|
$filecontents=''; |
|
} else { |
|
$result = &Apache::lonxml::xmlparse($target,$filecontents,'',%mystyle); |
|
} |
|
|
|
# |
|
# Edit action? Insert editing commands |
|
# |
|
unless ($ENV{'request.state'} eq 'published') { |
|
$result=&inserteditinfo($result,$filecontents); |
|
} |
|
|
|
$request->print($result); |
|
|
|
writeallows($request->uri); |
|
return OK; |
|
} |
|
|
|
sub debug { |
|
if ($Apache::lonxml::debug eq 1) { |
|
print("DEBUG:".$_[0]."<br />\n"); |
|
} |
|
} |
|
|
|
sub error { |
|
if (($Apache::lonxml::debug eq 1) || ($ENV{'request.state'} eq 'construct') ) { |
|
print "<b>ERROR:</b>".$_[0]."<br />\n"; |
|
} else { |
|
print "<b>An Error occured while processing this resource. The instructor has been notified.</b> <br />"; |
|
#notify author |
|
&Apache::lonmsg::author_res_msg($ENV{'request.filename'},$_[0]); |
|
#notify course |
|
if ( $ENV{'request.course.id'} ) { |
|
my $users=$ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'}; |
|
foreach my $user (split /\,/, $users) { |
|
($user,my $domain) = split /:/, $user; |
|
&Apache::lonmsg::user_normal_msg($user,$domain,"Error in $ENV{'request.filename'}",$_[0]); |
|
} |
|
} |
|
|
|
#FIXME probably shouldn't have me get everything forever. |
|
&Apache::lonmsg::user_normal_msg('albertel','msu',"Error in $ENV{'request.filename'}",$_[0]); |
|
#&Apache::lonmsg::user_normal_msg('albertel','103',"Error in $ENV{'request.filename'}",$_[0]); |
|
} |
|
} |
|
|
|
sub warning { |
|
if ($ENV{'request.state'} eq 'construct') { |
|
print "<b>W</b>ARNING<b>:</b>".$_[0]."<br />\n"; |
|
} |
|
} |
|
|
|
sub get_param { |
|
my ($param,$parstack,$safeeval,$context) = @_; |
|
if ( ! $context ) { $context = -1; } |
|
my $args =''; |
|
if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; } |
|
return &Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #' |
|
} |
|
|
|
sub register_insert { |
|
my @data = split /\n/, &Apache::lonnet::getfile('/home/httpd/lonTabs/insertlist.tab'); |
|
my $i; |
|
my $tagnum=0; |
|
my @order; |
|
for ($i=0;$i < $#data; $i++) { |
|
my $line = $data[$i]; |
|
if ( $line =~ /^\#/ || $line =~ /^\s*\n/) { next; } |
|
if ( $line =~ /TABLE/ ) { last; } |
|
my ($tag,$descrip,$color,$function,$show) = split(/,/, $line); |
|
$insertlist{"$tagnum.tag"} = $tag; |
|
$insertlist{"$tagnum.description"} = $descrip; |
|
$insertlist{"$tagnum.color"} = $color; |
|
$insertlist{"$tagnum.function"} = $function; |
|
$insertlist{"$tagnum.show"}= $show; |
|
$insertlist{"$tag.num"}=$tagnum; |
|
$tagnum++; |
|
} |
|
$i++; #skipping TABLE line |
|
$tagnum = 0; |
|
for (;$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); |
|
} |
|
} |
|
} |
|
$tagnum++; |
|
} |
|
} |
|
|
|
sub description { |
|
my ($token)=@_; |
|
return $insertlist{$insertlist{"$token->[1].num"}.'.description'}; |
|
} |
|
1; |
|
__END__ |
|
|
|
|