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version 1.1, 2000/06/19 15:52:29
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version 1.109, 2001/08/10 15:49:46
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Line 1
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Line 1
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| package Apache::lonxml; |
# The LearningOnline Network with CAPA |
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# XML Parser Module |
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# |
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# 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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# 7/27 H. K. Ng |
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# 8/7,8/9,8/10 Gerd Kortemeyer |
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|
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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; |
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use HTML::TreeBuilder; |
| 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); |
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use Opcode; |
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|
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sub register { |
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my $space; |
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my @taglist; |
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my $temptag; |
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($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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} |
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|
| use Apache::Constants qw(:common); |
use Apache::Constants qw(:common); |
| use Apache::lontexconvert; |
use Apache::lontexconvert; |
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use Apache::style; |
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use Apache::run; |
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use Apache::londefdef; |
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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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|
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#================================================== Main subroutine: xmlparse |
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#debugging control, to turn on debugging modify the correct handler |
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$Apache::lonxml::debug=0; |
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|
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#path to the directory containing the file currently being processed |
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@pwd=(); |
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|
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#these two are used for capturing a subset of the output for later processing, |
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#don't touch them directly use &startredirection and &endredirection |
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@outputstack = (); |
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$redirection = 0; |
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|
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#controls wheter the <import> tag actually does |
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$import = 1; |
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@extlinks=(); |
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|
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# meta mode is a bit weird only some output is to be turned off |
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#<output> tag turns metamode off (defined in londefdef.pm) |
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$metamode = 0; |
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|
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# turns on and of run::evaluate actually derefencing var refs |
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$evaluate = 1; |
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|
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# data structure for eidt mode, determines what tags can go into what other tags |
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%insertlist=(); |
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|
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# stores the list of active tag namespaces |
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@namespace=(); |
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|
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# has the dynamic menu been updated to know about this resource |
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$Apache::lonxml::registered=0; |
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|
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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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|
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sub xmlend { |
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my $discussion=''; |
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if ($ENV{'request.course.id'}) { |
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my $crs='/'.$ENV{'request.course.id'}; |
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if ($ENV{'request.course.sec'}) { |
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$crs.='_'.$ENV{'request.course.sec'}; |
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} |
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$crs=~s/\_/\//g; |
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my $seeid=&Apache::lonnet::allowed('rin',$crs); |
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my $symb=&Apache::lonnet::symbread(); |
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if ($symb) { |
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my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'}, |
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$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, |
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$ENV{'course.'.$ENV{'request.course.id'}.'.num'}); |
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if ($contrib{'version'}) { |
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$discussion.= |
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'<address><hr /><h2>Course Discussion of Resource</h2>'; |
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my $idx; |
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for ($idx=1;$idx<=$contrib{'version'};$idx++) { |
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my $message=$contrib{$idx.':message'}; |
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$message=~s/\n/\<br \/\>/g; |
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my $sender='Anonymous'; |
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if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { |
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$sender=$contrib{$idx.':sendername'}.' at '. |
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$contrib{$idx.':senderdomain'}; |
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if ($contrib{$idx.':anonymous'}) { |
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$sender.=' (anonymous)'; |
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} |
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} |
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$discussion.='<p><b>'.$sender.'</b> ('. |
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localtime($contrib{$idx.':timestamp'}). |
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'):<blockquote>'.$message. |
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'</blockquote></p>'; |
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} |
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$discussion.='</address>'; |
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} |
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} |
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} |
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return $discussion.'</html>'; |
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} |
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|
| #======================================================= Main subroutine: xmlparse |
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 xmlparse { |
sub registerurl { |
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my $forcereg=shift; |
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if ($Apache::lonxml::registered) { return ''; } |
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$Apache::lonxml::registered=1; |
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if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) { |
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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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|
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<script language="JavaScript"> |
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// BEGIN LON-CAPA Internal |
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|
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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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(6,3,'catalog.gif','catalog','info','catalog_info()'); |
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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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|
| my ($target,$content_file_string,%style_for_target) = @_; |
function LONCAPAstale() { |
| my $pars = HTML::TokeParser->new(\$content_file_string); |
menu=window.open("","LONCAPAmenu"); |
| my $currentstring = ''; |
menu.currentStale=1; |
| my $finaloutput = ''; |
menu.switchbutton |
| my $newarg = ''; |
(3,1,'reload.gif','return','location','go(currentURL)'); |
| my $tempostring = ''; |
menu.clearbut(7,1); |
| my $tempocont = ''; |
menu.clearbut(7,2); |
| my $safeeval = new Safe; |
menu.clearbut(7,3); |
| |
menu.menucltim=menu.setTimeout( |
| #------------------------- Redefinition of the target in the case of compound target |
'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+ |
| ($target, my @tenta) = split('&&',$target); |
'clearbut(9,1);clearbut(9,2);clearbut(9,3);clearbut(6,3)', |
| #------------------------------ Stack definition (in stack we have all current tags) |
2000); |
| |
|
| my @stack = (); |
} |
| my @parstack = (); |
|
| |
|
| #------------------------------------------ Parse input string (content_file_string) |
// END LON-CAPA Internal |
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</script> |
| my $token; |
ENDREGTHIS |
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|
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} else { |
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return (<<ENDDONOTREGTHIS); |
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|
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<script language="JavaScript"> |
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// BEGIN LON-CAPA Internal |
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|
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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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|
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function LONCAPAstale() { |
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} |
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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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|
| while ($token = $pars->get_token) { |
|
| if ($token->[0] eq 'T') { |
|
| $finaloutput .= $token->[1]; |
|
| $tempocont .= $token->[1]; |
|
| } elsif ($token->[0] eq 'S') { |
|
| #------------------------------------------------------------------ add tag to stack |
|
| push (@stack,$token->[1]); |
|
| #---------------------------------------------- add parameters list to another stack |
|
| map {$tempostring .= "$_=$token->[2]->{$_},"} @{$token->[3]}; |
|
| push (@parstack,$tempostring); |
|
| $tempostring = ''; |
|
| $tempocont = ''; |
|
| |
|
| if (exists $style_for_target{$token->[1]}) { |
|
| |
|
| #--------------------------------------------------------- use style file definition |
|
| |
|
| $newarg = $style_for_target{$token->[1]}; |
|
| |
|
| if (index($newarg,'script') != -1 ) { |
|
| my $pat = HTML::TokeParser->new(\$newarg); |
|
| my $tokenpat; |
|
| my $partstring = ''; |
|
| my $oustring = ''; |
|
| my $outputstring; |
|
| |
|
| while ($tokenpat = $pat->get_token) { |
|
| if ($tokenpat->[0] eq 'T') { |
|
| $oustring .= $tokenpat->[1]; |
|
| } elsif ($tokenpat->[0] eq 'S') { |
|
| if ($tokenpat->[1] eq 'script') { |
|
| while ($tokenpat = $pat->get_token and $tokenpat->[1] ne 'script') { |
|
| if ($tokenpat->[0] eq 'S') { |
|
| $partstring .= $tokenpat->[4]; |
|
| } elsif ($tokenpat->[0] eq 'T') { |
|
| $partstring .= $tokenpat->[1]; |
|
| } elsif ($tokenpat->[0] eq 'E') { |
|
| $partstring .= $tokenpat->[2]; |
|
| } |
|
| } |
|
| |
|
| map {$partstring =~ s/\$$_/$token->[2]->{$_}/g; } @{$token->[3]}; |
|
| |
|
| &run($partstring,$safeeval); |
|
| $partstring = ''; |
|
| } elsif ($tokenpat->[1] eq 'evaluate') { |
|
| $outputstring = &evaluate($tokenpat->[2]{expression},$safeeval); |
|
| $oustring .= $outputstring; |
|
| } else { |
|
| $oustring .= $tokenpat->[4]; |
|
| } |
|
| } elsif ($tokenpat->[0] eq 'E' and $tokenpat->[1] ne 'evaluate') { |
|
| $oustring .= $tokenpat->[1]; |
|
| } |
|
| } |
|
| $newarg = $oustring; |
|
| } else { |
|
| map {$newarg =~ s/\$$_/$token->[2]->{$_}/g; } @{$token->[3]}; |
|
| } |
|
| $finaloutput .= $newarg; |
|
| } else { |
|
| #----------------------------------------------------- use default definition of tag |
|
| my $sub="start_$token->[1]"; |
|
| |
|
| { |
|
| no strict 'refs'; |
|
| if (defined (&$sub)) { |
|
| $currentstring = &$sub($target,$token,\@parstack); |
|
| $finaloutput .= $currentstring; |
|
| $currentstring = ''; |
|
| } else { |
|
| $finaloutput .= $token->[4]; |
|
| } |
|
| use strict 'refs'; |
|
| } |
|
| } |
|
| } elsif ($token->[0] eq 'E') { |
|
| pop @stack; |
|
| unless (exists $style_for_target{$token->[1]}) { |
|
| my $sub="end_$token->[1]"; |
|
| { |
|
| no strict 'refs'; |
|
| if (defined (&$sub)) { |
|
| $currentstring = &$sub($target,$token,\@parstack); |
|
| $finaloutput .= $currentstring; |
|
| $currentstring = ''; |
|
| } else { |
|
| $finaloutput .= $token->[4]; |
|
| } |
|
| use strict 'refs'; |
|
| } |
|
| } |
|
| #------------------------------------------------------- end tag from the style file |
|
| if (exists $style_for_target{'/'."$token->[1]"}) { |
|
| $newarg = $style_for_target{'/'."$token->[1]"}; |
|
| my @very_temp = split(',',@parstack[$#parstack]); |
|
| map {my @ret= split('=',$_); $newarg =~ s/\$$ret[0]/$ret[1]/g; } @very_temp; |
|
| $finaloutput .= $newarg; |
|
| } |
|
| pop @parstack; |
|
| } |
|
| } |
} |
| return $finaloutput; |
|
| } |
} |
| |
|
| |
sub loadevents() { |
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return 'LONCAPAreg();'; |
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} |
| |
|
| #================================================================== style subroutine |
sub unloadevents() { |
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return 'LONCAPAstale();'; |
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} |
| |
|
| sub styleparser { |
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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} |
| |
|
| my ($target,$content_style_string) = @_; |
sub xmlparse { |
| |
my ($target,$content_file_string,$safeinit,%style_for_target) = @_; |
| |
|
| #------------------------------------------------ target redefinition (if necessary) |
&setup_globals($target); |
| |
#&printalltags(); |
| my @target_string = ''; |
my @pars = (); |
| my $element; |
my $pwd=$ENV{'request.filename'}; |
| |
$pwd =~ s:/[^/]*$::; |
| ($element,@target_string) = split ('&&',$target); |
&newparser(\@pars,\$content_file_string,$pwd); |
| |
|
| map {$content_style_string =~ s/\<(.*)$_\>/\<$1$element\>/g; } @target_string; |
my $safeeval = new Safe; |
| |
my $safehole = new Safe::Hole; |
| $target = $element; |
&init_safespace($target,$safeeval,$safehole,$safeinit); |
| |
#-------------------- Redefinition of the target in the case of compound target |
| #------------------------------------------------- create a table for defined target |
|
| #---------------------------------------------- from the information from Style File |
($target, my @tenta) = split('&&',$target); |
| |
|
| my @value_style = (); |
my @stack = (); |
| my $current_key = ''; |
my @parstack = (); |
| my $current_value = ''; |
&initdepth; |
| |
|
| my $pstyle = HTML::TokeParser->new(\$content_style_string); |
|
| |
|
| my $stoken; |
|
| |
|
| while ($stoken = $pstyle->get_token) { |
|
| #---------------------------------------------------------- start for tag definition |
|
| if ($stoken->[0] eq 'S' and $stoken->[1] eq 'definetag') { |
|
| #------------------------------------------------------------------- new key in hash |
|
| $current_key = $stoken->[2]{name}; |
|
| if ($target eq 'meta') { |
|
| #-------------------------------------------------- reserved for the metadate output |
|
| |
|
| |
|
| } else { |
|
| #-------------------------------------------------------------------- outtext output |
|
| while ($stoken = $pstyle->get_token and $stoken->[1] ne 'outtext') { |
|
| } |
|
| while ($stoken = $pstyle->get_token and $stoken->[0] ne 'S') { |
|
| $current_value .= $stoken->[1]; |
|
| } |
|
| while ($stoken->[1] ne 'definetag') { |
|
| if ($stoken->[0] eq 'S' and $stoken->[1] eq $target) { |
|
| while ($stoken = $pstyle->get_token) { |
|
| if ($stoken->[1] ne $target) { |
|
| if ($stoken->[0] eq 'S') { |
|
| $current_value .= $stoken->[4]; |
|
| } |
|
| if ($stoken->[0] eq 'E') { |
|
| $current_value .= $stoken->[2]; |
|
| } |
|
| if ($stoken->[0] eq 'T') { |
|
| $current_value .= $stoken->[1]; |
|
| } |
|
| } else { |
|
| last; |
|
| } |
|
| } |
|
| } elsif ($stoken->[0] eq 'S' and $stoken->[1] ne $target) { |
|
| while ($stoken = $pstyle->get_token and $stoken->[0] ne 'E') { |
|
| } |
|
| } |
|
| |
|
| while ($stoken = $pstyle->get_token) { |
|
| if ($stoken->[0] eq 'T') { |
|
| $current_value .= $stoken->[1]; |
|
| } |
|
| if ($stoken->[0] eq 'E') { |
|
| last; |
|
| } |
|
| if ($stoken->[0] eq 'S') { |
|
| last; |
|
| } |
|
| } |
|
| |
|
| } |
|
| } |
|
| |
|
| } |
|
| push (@value_style,lc $current_key,$current_value); |
|
| $current_key = ''; |
|
| $current_value = ''; |
|
| |
|
| } |
my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars, |
| |
$safeeval,\%style_for_target); |
| my %style_for_target = @value_style; |
|
| |
|
| #-------------------------------------------------------------------- check printing |
|
| # while (($current_key,$current_value) = each %style_for_target) { |
|
| # print "$current_key => $current_value\n"; |
|
| # } |
|
| |
|
| return %style_for_target; |
return $finaloutput; |
| |
|
| } |
} |
| |
|
| |
sub htmlclean { |
| |
my ($raw,$full)=@_; |
| |
|
| |
my $tree = HTML::TreeBuilder->new; |
| |
$tree->ignore_unknown(0); |
| |
|
| |
$tree->parse($raw); |
| |
|
| #=============================================================== Subroutine definition |
my $output= $tree->as_HTML(undef,' '); |
| #--------------------------------------------------------------------------------- Run |
|
| sub evaluate { |
$output=~s/\<(br|hr|img)([^\>\/]*)\>/\<$1$2 \/\>/gis; |
| my ($expression,$safeeval) = @_; |
$output=~s/\<\/(br|hr|img)\>//gis; |
| return $safeeval->reval($expression); |
unless ($full) { |
| } |
$output=~s/\<[\/]*(body|head|html)\>//gis; |
| |
} |
| sub run { |
|
| my ($code,$safeeval) = @_; |
$tree = $tree->delete; |
| $safeeval->reval($code); |
|
| } |
return $output; |
| |
} |
| #===================================================================== TAG SUBROUTINES |
|
| #----------------------------------------------------------------------------- <m> tag |
sub inner_xmlparse { |
| sub start_m { |
my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target)=@_; |
| my ($target,$token) = @_; |
&Apache::lonxml::debug('Reentrant parser starting, again?'); |
| my $currentstring = ''; |
my $finaloutput = ''; |
| if ($target eq 'web') { |
my $result; |
| $currentstring = "\$out = lontexconvert::converted(\$in = '\$'.\""; |
my $token; |
| } elsif ($target eq 'tex') { |
while ( $#$pars > -1 ) { |
| $currentstring = "\$"; |
while ($token = $$pars['-1']->get_token) { |
| } |
if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) { |
| return $currentstring; |
if ($metamode<1) { |
| } |
$result=$token->[1]; |
| sub end_m { |
} |
| my ($target,$token) = @_; |
} elsif ($token->[0] eq 'PI') { |
| my $currentstring = ''; |
if ($metamode<1) { |
| if ($target eq 'web') { |
$result=$token->[2]; |
| $currentstring = "\".'\$') "; |
} |
| } elsif ($target eq 'tex') { |
} elsif ($token->[0] eq 'S') { |
| $currentstring = "\$"; |
# add tag to stack |
| } |
push (@$stack,$token->[1]); |
| return $currentstring; |
# add parameters list to another stack |
| } |
push (@$parstack,&parstring($token)); |
| #-------------------------------------------------------------------------- <html> tag |
&increasedepth($token); |
| sub start_html { |
if (exists $$style_for_target{$token->[1]}) { |
| my ($target,$token) = @_; |
if ($Apache::lonxml::redirection) { |
| my $currentstring = ''; |
$Apache::lonxml::outputstack['-1'] .= |
| if ($target eq 'web') { |
&recurse($$style_for_target{$token->[1]},$target,$safeeval, |
| $currentstring = $token->[4]; |
$style_for_target,@$parstack); |
| } |
} else { |
| return $currentstring; |
$finaloutput .= &recurse($$style_for_target{$token->[1]},$target, |
| } |
$safeeval,$style_for_target,@$parstack); |
| sub end_html { |
} |
| my ($target,$token) = @_; |
} else { |
| my $currentstring = ''; |
$result = &callsub("start_$token->[1]", $target, $token, $stack, |
| if ($target eq 'web') { |
$parstack, $pars, $safeeval, $style_for_target); |
| $currentstring = $token->[2]; |
} |
| } |
} elsif ($token->[0] eq 'E') { |
| return $currentstring; |
#clear out any tags that didn't end |
| } |
while ($token->[1] ne $$stack['-1'] && ($#$stack > -1)) { |
| #-------------------------------------------------------------------------- <head> tag |
&Apache::lonxml::warning("Unbalanced tags in resource $$stack['-1']"); |
| sub start_head { |
&end_tag($stack,$parstack,$token); |
| my ($target,$token) = @_; |
} |
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
if (exists $$style_for_target{'/'."$token->[1]"}) { |
| $currentstring = $token->[4]; |
if ($Apache::lonxml::redirection) { |
| } |
$Apache::lonxml::outputstack['-1'] .= |
| return $currentstring; |
&recurse($$style_for_target{'/'."$token->[1]"}, |
| } |
$target,$safeeval,$style_for_target,@$parstack); |
| sub end_head { |
} else { |
| my ($target,$token) = @_; |
$finaloutput .= &recurse($$style_for_target{'/'."$token->[1]"}, |
| my $currentstring = ''; |
$target,$safeeval,$style_for_target, |
| if ($target eq 'web') { |
@$parstack); |
| $currentstring = $token->[2]; |
} |
| } |
|
| return $currentstring; |
} else { |
| } |
$result = &callsub("end_$token->[1]", $target, $token, $stack, |
| #--------------------------------------------------------------------------- <map> tag |
$parstack, $pars,$safeeval, $style_for_target); |
| sub start_map { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_map { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------ <applet> tag |
|
| sub start_applet { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_applet { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------ <select> tag |
|
| sub start_select { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_select { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------ <option> tag |
|
| sub start_option { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_option { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------- <input> tag |
|
| sub start_input { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_input { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------- <textarea> tag |
|
| sub start_textarea { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_textarea { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #-------------------------------------------------------------------------- <form> tag |
|
| sub start_form { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_form { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------- <title> tag |
|
| sub start_title { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_title { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #-------------------------------------------------------------------------- <meta> tag |
|
| sub start_meta { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_meta { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #-------------------------------------------------------------------------- <body> tag |
|
| sub start_body { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{document} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_body { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{document}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------ <center> tag |
|
| sub start_center { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{center} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_center { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{center}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------------- <b> tag |
|
| sub start_b { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " {\\bf "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_b { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------ <strong> tag |
|
| sub start_strong { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " {\\bf "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_strong { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <h1> tag |
|
| sub start_h1 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\chapter{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_h1 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <h2> tag |
|
| sub start_h2 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\section{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_h2 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <h3> tag |
|
| sub start_h3 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\subsection{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_h3 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <h4> tag |
|
| sub start_h4 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\subsubsection{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_h4 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <h5> tag |
|
| sub start_h5 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\paragraph{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_h5 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <h6> tag |
|
| sub start_h6 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\subparagraph{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_h6 { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #-------------------------------------------------------------------------- <cite> tag |
|
| sub start_cite { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\it "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_cite { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------------- <i> tag |
|
| sub start_i { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\it "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_i { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------- <address> tag |
|
| sub start_address { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\it "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_address { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #--------------------------------------------------------------------------- <dfn> tag |
|
| sub start_dfn { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\it "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_dfn { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <tt> tag |
|
| sub start_tt { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\tt "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_tt { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <kbd> tag |
|
| sub start_kbd { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\tt "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_kbd { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #-------------------------------------------------------------------------- <code> tag |
|
| sub start_code { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\tt "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_code { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <em> tag |
|
| sub start_em { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\emph "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_em { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------------- <q> tag |
|
| sub start_q { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{ \\emph "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_q { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------------- <p> tag |
|
| sub start_p { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{\\par "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_p { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <br> tag |
|
| sub start_br { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\\\"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_br { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #--------------------------------------------------------------------------- <big> tag |
|
| sub start_big { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{\\large "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_big { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------- <small> tag |
|
| sub start_small { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{\\footnotesize "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_small { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------- <basefont> tag |
|
| sub start_basefont { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #-------------------------------------------------------------------------- <font> tag |
|
| sub start_font { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_font { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------ <strike> tag |
|
| sub start_strike { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{\\underline "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_strike { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------------- <s> tag |
|
| sub start_s { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{\\underline "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_s { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #--------------------------------------------------------------------------- <sub> tag |
|
| sub start_sub { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\$_{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_sub { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }\$"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #--------------------------------------------------------------------------- <sup> tag |
|
| sub start_sup { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\$^{ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_sup { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }\$"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <hr> tag |
|
| sub start_hr { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "\\hline "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------------- <a> tag |
|
| sub start_a { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_a { |
|
| my ($target,$token,$stackref) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| my $tempor_var = $stackref->[$#$stackref]; |
|
| if (index($tempor_var,'name') != -1 ) { |
|
| $tempor_var =~ s/name=([^,]*),/$1/g; |
|
| $currentstring .= " \\label{$tempor_var}"; |
|
| } elsif (index($tempor_var,'href') != -1 ) { |
|
| $tempor_var =~ s/href=([^,]*),/$1/g; |
|
| $currentstring .= " \\ref{$tempor_var}"; |
|
| } |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <li> tag |
|
| sub start_li { |
|
| my ($target,$token,$stackref) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| my $tempor_var = $stackref->[$#$stackref-1]; |
|
| if (index($tempor_var,'circle') != -1 ) { |
|
| $currentstring .= " \\item[o] "; |
|
| } elsif (index($tempor_var,'square') != -1 ) { |
|
| $currentstring .= " \\item[$\Box$] "; |
|
| } else { |
|
| $currentstring .= " \\item "; |
|
| } |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_li { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #----------------------------------------------------------------------------- <u> tag |
|
| sub start_u { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= "{\\underline "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_u { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <ul> tag |
|
| sub start_ul { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{itemize} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_ul { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{itemize}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #-------------------------------------------------------------------------- <menu> tag |
|
| sub start_menu { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{itemize} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_menu { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{itemize}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #--------------------------------------------------------------------------- <dir> tag |
|
| sub start_dir { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{itemize} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_dir { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{itemize}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <ol> tag |
|
| sub start_ol { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{enumerate} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_ol { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{enumerate}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <dl> tag |
|
| sub start_dl { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{description} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_dl { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{description}"; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <dt> tag |
|
| sub start_dt { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = "\\item[ "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_dt { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = "]"; |
|
| } |
|
| return $currentstring; |
|
| } |
} |
| #---------------------------------------------------------------------------- <dd> tag |
} else { |
| sub start_dd { |
&Apache::lonxml::error("Unknown token event :$token->[0]:$token->[1]:"); |
| my ($target,$token) = @_; |
} |
| my $currentstring = ''; |
#evaluate variable refs in result |
| if ($target eq 'web') { |
if ($result ne "") { |
| $currentstring = $token->[4]; |
if ( $#$parstack > -1 ) { |
| } |
if ($Apache::lonxml::redirection) { |
| return $currentstring; |
$Apache::lonxml::outputstack['-1'] .= |
| |
&Apache::run::evaluate($result,$safeeval,$$parstack['-1']); |
| |
} else { |
| |
$finaloutput .= &Apache::run::evaluate($result,$safeeval, |
| |
$$parstack['-1']); |
| |
} |
| |
} else { |
| |
$finaloutput .= &Apache::run::evaluate($result,$safeeval,''); |
| |
} |
| |
$result = ''; |
| |
} |
| |
if ($token->[0] eq 'E') { |
| |
&end_tag($stack,$parstack,$token); |
| |
} |
| |
} |
| |
pop @$pars; |
| |
pop @Apache::lonxml::pwd; |
| |
} |
| |
|
| |
# if ($target eq 'meta') { |
| |
# $finaloutput.=&endredirection; |
| |
# } |
| |
|
| |
if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) { |
| |
$finaloutput=&afterburn($finaloutput); |
| |
} |
| |
return $finaloutput; |
| |
} |
| |
|
| |
sub recurse { |
| |
my @innerstack = (); |
| |
my @innerparstack = (); |
| |
my ($newarg,$target,$safeeval,$style_for_target,@parstack) = @_; |
| |
my @pat = (); |
| |
&newparser(\@pat,\$newarg); |
| |
my $tokenpat; |
| |
my $partstring = ''; |
| |
my $output=''; |
| |
my $decls=''; |
| |
while ( $#pat > -1 ) { |
| |
while ($tokenpat = $pat[$#pat]->get_token) { |
| |
if (($tokenpat->[0] eq 'T') || ($tokenpat->[0] eq 'C') || ($tokenpat->[0] eq 'D') ) { |
| |
if ($metamode<1) { $partstring=$tokenpat->[1]; } |
| |
} elsif ($tokenpat->[0] eq 'PI') { |
| |
if ($metamode<1) { $partstring=$tokenpat->[2]; } |
| |
} elsif ($tokenpat->[0] eq 'S') { |
| |
push (@innerstack,$tokenpat->[1]); |
| |
push (@innerparstack,&parstring($tokenpat)); |
| |
&increasedepth($tokenpat); |
| |
$partstring = &callsub("start_$tokenpat->[1]", $target, $tokenpat, |
| |
\@innerstack, \@innerparstack, \@pat, |
| |
$safeeval, $style_for_target); |
| |
} elsif ($tokenpat->[0] eq 'E') { |
| |
#clear out any tags that didn't end |
| |
while ($tokenpat->[1] ne $innerstack[$#innerstack] |
| |
&& ($#innerstack > -1)) { |
| |
&Apache::lonxml::warning("Unbalanced tags in resource $innerstack['-1']"); |
| |
&end_tag(\@innerstack,\@innerparstack,$tokenpat); |
| |
} |
| |
$partstring = &callsub("end_$tokenpat->[1]", $target, $tokenpat, |
| |
\@innerstack, \@innerparstack, \@pat, |
| |
$safeeval, $style_for_target); |
| |
} else { |
| |
&Apache::lonxml::error("Unknown token event :$tokenpat->[0]:$tokenpat->[1]:"); |
| |
} |
| |
#pass both the variable to the style tag, and the tag we |
| |
#are processing inside the <definedtag> |
| |
if ( $partstring ne "" ) { |
| |
if ( $#parstack > -1 ) { |
| |
if ( $#innerparstack > -1 ) { |
| |
$decls= $parstack[$#parstack].$innerparstack[$#innerparstack]; |
| |
} else { |
| |
$decls= $parstack[$#parstack]; |
| |
} |
| |
} else { |
| |
if ( $#innerparstack > -1 ) { |
| |
$decls=$innerparstack[$#innerparstack]; |
| |
} else { |
| |
$decls=''; |
| |
} |
| } |
} |
| sub end_dd { |
$output .= &Apache::run::evaluate($partstring,$safeeval,$decls); |
| my ($target,$token) = @_; |
$partstring = ''; |
| my $currentstring = ''; |
} |
| if ($target eq 'web') { |
if ($tokenpat->[0] eq 'E') { pop @innerstack;pop @innerparstack; |
| $currentstring = $token->[2]; |
&decreasedepth($tokenpat);} |
| } |
} |
| return $currentstring; |
pop @pat; |
| |
pop @Apache::lonxml::pwd; |
| |
} |
| |
return $output; |
| |
} |
| |
|
| |
sub callsub { |
| |
my ($sub,$target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
| |
my $currentstring=''; |
| |
my $nodefault; |
| |
{ |
| |
my $sub1; |
| |
no strict 'refs'; |
| |
my $tag=$token->[1]; |
| |
my $space=$Apache::lonxml::alltags{$tag}; |
| |
if (!$space) { |
| |
$tag=~tr/A-Z/a-z/; |
| |
$sub=~tr/A-Z/a-z/; |
| |
$space=$Apache::lonxml::alltags{$tag} |
| |
} |
| |
|
| |
my $deleted=0; |
| |
$Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter); |
| |
if (($token->[0] eq 'S') && ($target eq 'modified')) { |
| |
$deleted=&Apache::edit::handle_delete($space,$target,$token,$tagstack, |
| |
$parstack,$parser,$safeeval, |
| |
$style); |
| |
} |
| |
if (!$deleted) { |
| |
if ($space) { |
| |
#&Apache::lonxml::debug("Calling sub $sub in $space $metamode<br />\n"); |
| |
$sub1="$space\:\:$sub"; |
| |
($currentstring,$nodefault) = &$sub1($target,$token,$tagstack, |
| |
$parstack,$parser,$safeeval, |
| |
$style); |
| |
} else { |
| |
#&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode<br />\n"); |
| |
if ($metamode <1) { |
| |
if (defined($token->[4]) && ($metamode < 1)) { |
| |
$currentstring = $token->[4]; |
| |
} else { |
| |
$currentstring = $token->[2]; |
| |
} |
| } |
} |
| #------------------------------------------------------------------------- <table> tag |
} |
| sub start_table { |
# &Apache::lonxml::debug("nodefalt:$nodefault:"); |
| my ($target,$token) = @_; |
if ($currentstring eq '' && $nodefault eq '') { |
| my $currentstring = ''; |
if ($target eq 'edit') { |
| if ($target eq 'web') { |
&Apache::lonxml::debug("doing default edit for $token->[1]"); |
| $currentstring = $token->[4]; |
if ($token->[0] eq 'S') { |
| } elsif ($target eq 'tex') { |
$currentstring = &Apache::edit::tag_start($target,$token); |
| $currentstring = " \\begin{tabular} "; |
} elsif ($token->[0] eq 'E') { |
| } |
$currentstring = &Apache::edit::tag_end($target,$token); |
| return $currentstring; |
} |
| |
} elsif ($target eq 'modified') { |
| |
if ($token->[0] eq 'S') { |
| |
$currentstring = $token->[4]; |
| |
$currentstring.=&Apache::edit::handle_insert(); |
| |
} else { |
| |
$currentstring = $token->[2]; |
| |
} |
| } |
} |
| sub end_table { |
} |
| my ($target,$token) = @_; |
} |
| my $currentstring = ''; |
use strict 'refs'; |
| if ($target eq 'web') { |
} |
| $currentstring = $token->[2]; |
return $currentstring; |
| } elsif ($target eq 'tex') { |
} |
| $currentstring = " \\end{tabular}"; |
|
| } |
sub setup_globals { |
| return $currentstring; |
my ($target)=@_; |
| |
$Apache::lonxml::registered = 0; |
| |
@Apache::lonxml::pwd=(); |
| |
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::scripttag::xmlparse,$safeeval,'&xmlparse'); |
| |
$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 { |
| |
my ($token) = @_; |
| |
my $temp=''; |
| |
map { |
| |
unless ($_=~/\W/) { |
| |
my $val=$token->[2]->{$_}; |
| |
$val =~ s/([\%\@\\])/\\$1/g; |
| |
#if ($val =~ m/^[\%\@]/) { $val="\\".$val; } |
| |
$temp .= "my \$$_=\"$val\";" |
| |
} |
| |
} @{$token->[3]}; |
| |
return $temp; |
| |
} |
| |
|
| |
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="attemptclean" |
| |
value="Save and then attempt to clean HTML" /> |
| |
<input type="submit" name="savethisfile" value="Save this" /> |
| |
</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'}) || ($ENV{'form.attemptclean'})) { |
| |
&storefile($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 |
| |
$filecontents=''; |
| |
} else { |
| |
unless ($ENV{'request.state'} eq 'published') { |
| |
if ($ENV{'form.attemptclean'}) { |
| |
$filecontents=&htmlclean($filecontents,1); |
| |
} |
| |
} |
| |
$result = &Apache::lonxml::xmlparse($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; |
1; |
| __END__ |
__END__ |
| |
|
| |
|
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