version 1.36, 2000/11/07 23:39:07
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version 1.89, 2001/06/09 12:32:42
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# |
# |
# last modified 06/26/00 by Alexander Sakharuk |
# last modified 06/26/00 by Alexander Sakharuk |
# 11/6 Gerd Kortemeyer |
# 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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package Apache::lonxml; |
package Apache::lonxml; |
use vars |
use vars |
qw(@pwd $outputstack $redirection $textredirection $on_offimport @extlinks); |
qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace); |
use strict; |
use strict; |
use HTML::TokeParser; |
use HTML::TokeParser; |
use Safe; |
use Safe; |
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use Safe::Hole; |
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use Math::Cephes qw(:trigs :hypers :bessels erf erfc); |
use Opcode; |
use Opcode; |
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sub register { |
sub register { |
Line 21 sub register {
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Line 30 sub register {
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$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 |
@pwd=(); |
@pwd=(); |
$outputstack = ''; |
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$redirection = 1; |
#these two are used for capturing a subset of the output for later processing, |
$textredirection = 1; |
#don't touch them directly use &startredirection and &endredirection |
$on_offimport = 0; |
@outputstack = (); |
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$redirection = 0; |
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#controls wheter the <import> tag actually does |
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$import = 1; |
@extlinks=(); |
@extlinks=(); |
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# meta mode is a bit weird only some output is to be turned off |
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#<output> tag turns metamode off (defined in londefdef.pm) |
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$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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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 $headerstring; |
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} |
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sub registerurl { |
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if ($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) { |
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my $hwkadd=''; |
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if ($ENV{'REQUEST_URI'}=~/\.(problem|exam|quiz|assess|survey|form)$/) { |
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if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) { |
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$hwkadd.=(<<ENDSUBM); |
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menu.switchbutton |
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(7,1,'subm.gif','view sub','missions', |
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'gocmd("/adm/grades","submission")'); |
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ENDSUBM |
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} |
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if (&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) { |
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$hwkadd.=(<<ENDGRDS); |
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menu.switchbutton |
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(7,2,'pgrd.gif','problem','grades', |
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'gocmd("/adm/grades","viewgrades")'); |
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ENDGRDS |
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} |
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if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) { |
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$hwkadd.=(<<ENDPARM); |
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menu.switchbutton |
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(7,3,'pparm.gif','problem','parms', |
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'gocmd("/adm/parmset","set")'); |
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ENDPARM |
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} |
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} |
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return (<<ENDREGTHIS); |
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<script language="JavaScript"> |
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// BEGIN LON-CAPA Internal |
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function LONCAPAreg() { |
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menu=window.open("","LONCAPAmenu"); |
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menu.clearTimeout(menu.menucltim); |
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menu.currentURL=window.location.pathname; |
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menu.currentStale=0; |
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menu.clearbut(3,1); |
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menu.switchbutton |
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(8,1,'eval.gif','evaluate','this','gopost("/adm/evaluate",currentURL)'); |
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menu.switchbutton |
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(8,2,'fdbk.gif','feedback','on this','gopost("/adm/feedback",currentURL)'); |
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menu.switchbutton |
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(8,3,'prt.gif','prepare','printout','gopost("/adm/printout",currentURL)'); |
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menu.switchbutton |
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(2,1,'back.gif','backward','','gopost("/adm/flip","back:"+currentURL)'); |
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menu.switchbutton |
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(2,3,'forw.gif','forward','','gopost("/adm/flip","forward:"+currentURL)'); |
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$hwkadd |
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} |
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function LONCAPAstale() { |
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menu=window.open("","LONCAPAmenu"); |
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menu.currentStale=1; |
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menu.switchbutton |
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(3,1,'reload.gif','return','location','go(currentURL)'); |
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menu.menucltim=menu.setTimeout( |
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'clearbut(2,1);clearbut(2,3);clearbut(7,1);clearbut(7,2);clearbut(7,3);'. |
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'clearbut(8,1);clearbut(8,2);clearbut(8,3);', |
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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,$safeinit,%style_for_target) = @_; |
my ($target,$content_file_string,$safeinit,%style_for_target) = @_; |
if ($target eq 'meta') |
if ($target eq 'meta') { |
{$Apache::lonxml::textredirection = 0; |
$Apache::lonxml::redirection = 0; |
$Apache::lonxml::on_offimport = 1; |
$Apache::lonxml::metamode = 1; |
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$Apache::lonxml::evaluate = 1; |
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$Apache::lonxml::import = 0; |
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} elsif ($target eq 'grade') { |
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&startredirection; |
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$Apache::lonxml::metamode = 0; |
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$Apache::lonxml::evaluate = 1; |
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$Apache::lonxml::import = 1; |
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} elsif ($target eq 'modified') { |
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$Apache::lonxml::redirection = 0; |
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$Apache::lonxml::metamode = 0; |
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$Apache::lonxml::evaluate = 0; |
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$Apache::lonxml::import = 0; |
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} else { |
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$Apache::lonxml::redirection = 0; |
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$Apache::lonxml::metamode = 0; |
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$Apache::lonxml::evaluate = 1; |
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$Apache::lonxml::import = 1; |
} |
} |
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#&printalltags(); |
my @pars = (); |
my @pars = (); |
@Apache::lonxml::pwd=(); |
@Apache::lonxml::pwd=(); |
my $pwd=$ENV{'request.filename'}; |
my $pwd=$ENV{'request.filename'}; |
Line 53 sub xmlparse {
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Line 247 sub xmlparse {
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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); |
$safeeval->deny(":base_io"); |
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#need to inspect this class of ops |
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# $safeeval->deny(":base_orig"); |
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$safeinit .= ';$external::target='.$target.';'; |
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$safeinit .= ';$external::randomseed='.&Apache::lonnet::rndseed().';'; |
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&Apache::run::run($safeinit,$safeeval); |
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#-------------------- 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); |
Line 71 sub xmlparse {
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Line 259 sub xmlparse {
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my $token; |
my $token; |
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') ) { |
if ($Apache::lonxml::textredirection == 1) {$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') { |
# if ($target eq 'meta' and $token->[2]->{metaout} eq 'ON') {$Apache::lonxml::textredirection = 1;} |
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# 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)); |
&increasedepth($token); |
&increasedepth($token); |
if (exists $style_for_target{$token->[1]}) { |
if (exists $style_for_target{$token->[1]}) { |
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if ($Apache::lonxml::redirection) { |
if ($Apache::lonxml::redirection == 1) { |
$Apache::lonxml::outputstack['-1'] .= |
$finaloutput .= &recurse($style_for_target{$token->[1]}, |
&recurse($style_for_target{$token->[1]},$target,$safeeval, |
$target,$safeeval,\%style_for_target, |
\%style_for_target,@parstack); |
@parstack); |
} else { |
} else { |
$finaloutput .= &recurse($style_for_target{$token->[1]},$target, |
$Apache::lonxml::outputstack .= &recurse($style_for_target{$token->[1]}, |
$safeeval,\%style_for_target,@parstack); |
$target,$safeeval,\%style_for_target, |
} |
@parstack); |
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} |
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} else { |
} else { |
$result = &callsub("start_$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 ($token->[0] eq 'E') { |
# if ($target eq 'meta') {$Apache::lonxml::textredirection = 0;} |
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#clear out any tags that didn't end |
#clear out any tags that didn't end |
while ($token->[1] ne $stack[$#stack] |
while ($token->[1] ne $stack[$#stack] && ($#stack > -1)) { |
&& ($#stack > -1)) {pop @stack;pop @parstack;&decreasedepth($token);&Apache::lonxml::debug("Clearing out stack");} |
&Apache::lonxml::warning("Unbalanced tags in resource $stack['-1']"); |
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pop @stack;pop @parstack;&decreasedepth($token); |
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} |
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if (exists $style_for_target{'/'."$token->[1]"}) { |
if (exists $style_for_target{'/'."$token->[1]"}) { |
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if ($Apache::lonxml::redirection) { |
if ($Apache::lonxml::redirection == 1) { |
$Apache::lonxml::outputstack['-1'] .= |
$finaloutput .= &recurse($style_for_target{'/'."$token->[1]"}, |
&recurse($style_for_target{'/'."$token->[1]"}, |
$target,$safeeval,\%style_for_target, |
$target,$safeeval,\%style_for_target,@parstack); |
@parstack); |
} else { |
} else { |
$finaloutput .= &recurse($style_for_target{'/'."$token->[1]"}, |
$Apache::lonxml::outputstack .= &recurse($style_for_target{'/'."$token->[1]"}, |
$target,$safeeval,\%style_for_target, |
$target,$safeeval,\%style_for_target, |
@parstack); |
@parstack); |
} |
} |
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} else { |
} else { |
$result = &callsub("end_$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]:$token->[1]:"); |
} |
} |
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#evaluate variable refs in result |
if ($result ne "") { |
if ($result ne "") { |
if ( $#parstack > -1 ) { |
if ( $#parstack > -1 ) { |
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if ($Apache::lonxml::redirection) { |
if ($Apache::lonxml::redirection == 1) { |
$Apache::lonxml::outputstack['-1'] .= |
$finaloutput .= &Apache::run::evaluate($result,$safeeval, |
&Apache::run::evaluate($result,$safeeval,$parstack[$#parstack]); |
$parstack[$#parstack]); |
} else { |
} else { |
$finaloutput .= &Apache::run::evaluate($result,$safeeval, |
$Apache::lonxml::outputstack .= &Apache::run::evaluate($result,$safeeval, |
$parstack[$#parstack]); |
$parstack[$#parstack]); |
} |
} |
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} else { |
} else { |
$finaloutput .= &Apache::run::evaluate($result,$safeeval,''); |
$finaloutput .= &Apache::run::evaluate($result,$safeeval,''); |
} |
} |
$result = ''; |
$result = ''; |
} else { |
} |
$finaloutput .= $result; |
if ($token->[0] eq 'E') { |
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pop @stack;pop @parstack;&decreasedepth($token); |
} |
} |
if ($token->[0] eq 'E') { pop @stack;pop @parstack;&decreasedepth($token);} |
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} |
} |
pop @pars; |
pop @pars; |
pop @Apache::lonxml::pwd; |
pop @Apache::lonxml::pwd; |
} |
} |
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# if ($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 = (); |
Line 160 sub recurse {
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Line 355 sub recurse {
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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') ) { |
if ($Apache::lonxml::textredirection == 1) {$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)); |
&increasedepth($tokenpat); |
&increasedepth($tokenpat); |
$partstring = &callsub("start_$tokenpat->[1]", |
$partstring = &callsub("start_$tokenpat->[1]", $target, $tokenpat, |
$target, $tokenpat, \@innerparstack, |
\@innerstack, \@innerparstack, \@pat, |
\@pat, $safeeval, $style_for_target); |
$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)) { |
&decreasedepth($tokenpat);} |
&Apache::lonxml::warning("Unbalanced tags in resource $innerstack['-1']"); |
$partstring = &callsub("end_$tokenpat->[1]", |
pop @innerstack;pop @innerparstack;&decreasedepth($tokenpat); |
$target, $tokenpat, \@innerparstack, |
} |
\@pat, $safeeval, $style_for_target); |
$partstring = &callsub("end_$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]:$tokenpat->[1]:"); |
} |
} |
#pass both the variable to the style tag, and the tag we |
#pass both the variable to the style tag, and the tag we |
#are processing inside the <definedtag> |
#are processing inside the <definedtag> |
Line 207 sub recurse {
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Line 408 sub recurse {
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} |
} |
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sub callsub { |
sub callsub { |
my ($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; |
{ |
{ |
my $sub1; |
my $sub1; |
no strict 'refs'; |
no strict 'refs'; |
if (my $space=$Apache::lonxml::alltags{$token->[1]}) { |
if ($target eq 'edit' && $token->[0] eq 'S') { |
#&Apache::lonxml::debug("Calling sub $sub in $space<br>\n"); |
$currentstring = &Apache::edit::tag_start($target,$token,$tagstack, |
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$parstack,$parser, |
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$safeeval,$style); |
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} |
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my $tag=$token->[1]; |
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my $space=$Apache::lonxml::alltags{$tag}; |
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if (!$space) { |
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$tag=~tr/A-Z/a-z/; |
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$sub=~tr/A-Z/a-z/; |
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$space=$Apache::lonxml::alltags{$tag} |
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} |
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if ($space) { |
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#&Apache::lonxml::debug("Calling sub $sub in $space $metamode<br />\n"); |
$sub1="$space\:\:$sub"; |
$sub1="$space\:\:$sub"; |
$Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter); |
$Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter); |
$currentstring = &$sub1($target,$token,$parstack,$parser, |
($currentstring,$nodefault) = &$sub1($target,$token,$tagstack, |
$safeeval,$style); |
$parstack,$parser,$safeeval, |
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$style); |
} else { |
} else { |
#&Apache::lonxml::debug("NOT Calling sub $sub in $space<br>\n"); |
#&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode<br />\n"); |
if (defined($token->[4])) { |
if ($metamode <1) { |
$currentstring = $token->[4]; |
if (defined($token->[4]) && ($metamode < 1)) { |
} else { |
$currentstring = $token->[4]; |
$currentstring = $token->[2]; |
} else { |
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$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') { |
|
if ($token->[0] eq 'S') { |
|
$currentstring = $token->[4]; |
|
$currentstring.=&Apache::edit::handle_insert(); |
|
} else { |
|
$currentstring = $token->[2]; |
|
} |
} |
} |
} |
} |
use strict 'refs'; |
use strict 'refs'; |
Line 231 sub callsub {
|
Line 466 sub callsub {
|
return $currentstring; |
return $currentstring; |
} |
} |
|
|
|
sub init_safespace { |
|
my ($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'); |
|
|
|
#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 initdepth { |
sub initdepth { |
@Apache::lonxml::depthcounter=(); |
@Apache::lonxml::depthcounter=(); |
$Apache::lonxml::depth=-1; |
$Apache::lonxml::depth=-1; |
Line 244 sub increasedepth {
|
Line 528 sub increasedepth {
|
if ($Apache::lonxml::depthcounter[$Apache::lonxml::depth]==1) { |
if ($Apache::lonxml::depthcounter[$Apache::lonxml::depth]==1) { |
$Apache::lonxml::olddepth=$Apache::lonxml::depth; |
$Apache::lonxml::olddepth=$Apache::lonxml::depth; |
} |
} |
# my $curdepth=join('_',@Apache::lonxml::depthcounter); |
my $curdepth=join('_',@Apache::lonxml::depthcounter); |
# print "<br>s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]<br>\n"; |
&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 { |
sub decreasedepth { |
Line 255 sub decreasedepth {
|
Line 540 sub decreasedepth {
|
$#Apache::lonxml::depthcounter--; |
$#Apache::lonxml::depthcounter--; |
$Apache::lonxml::olddepth=$Apache::lonxml::depth+1; |
$Apache::lonxml::olddepth=$Apache::lonxml::depth+1; |
} |
} |
# my $curdepth=join('_',@Apache::lonxml::depthcounter); |
if ( $Apache::lonxml::depth < -1) { |
# print "<br>e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth <br>\n"; |
&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 { |
sub get_all_text { |
Line 265 sub get_all_text {
|
Line 555 sub get_all_text {
|
my $depth=0; |
my $depth=0; |
my $token; |
my $token; |
my $result=''; |
my $result=''; |
my $tag=substr($tag,1); #strip the / off the tag |
if ( $tag =~ m:^/: ) { |
# &Apache::lonxml::debug("have:$tag:"); |
my $tag=substr($tag,1); |
while (($depth >=0) && ($token = $pars->get_token)) { |
# &Apache::lonxml::debug("have:$tag:"); |
if ($token->[0] eq 'T') { |
while (($depth >=0) && ($token = $pars->get_token)) { |
$result.=$token->[1]; |
# &Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]"); |
} elsif ($token->[0] eq 'S') { |
if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) { |
if ($token->[1] eq $tag) { $depth++; } |
$result.=$token->[1]; |
$result.=$token->[4]; |
} elsif ($token->[0] eq 'PI') { |
} elsif ($token->[0] eq 'E') { |
$result.=$token->[2]; |
if ( $token->[1] eq $tag) { $depth--; } |
} elsif ($token->[0] eq 'S') { |
#skip sending back the last end tag |
if ($token->[1] eq $tag) { $depth++; } |
if ($depth > -1) { $result.=$token->[2]; } else { |
$result.=$token->[4]; |
$pars->unget_token($token); |
} 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 |
return $result |
} |
} |
|
|
sub newparser { |
sub newparser { |
my ($parser,$contentref,$dir) = @_; |
my ($parser,$contentref,$dir) = @_; |
push (@$parser,HTML::TokeParser->new($contentref)); |
push (@$parser,HTML::TokeParser->new($contentref)); |
|
$$parser['-1']->xml_mode('1'); |
if ( $dir eq '' ) { |
if ( $dir eq '' ) { |
push (@Apache::lonxml::pwd, $Apache::lonxml::pwd[$#Apache::lonxml::pwd]); |
push (@Apache::lonxml::pwd, $Apache::lonxml::pwd[$#Apache::lonxml::pwd]); |
} else { |
} else { |
Line 301 sub parstring {
|
Line 615 sub parstring {
|
my $temp=''; |
my $temp=''; |
map { |
map { |
unless ($_=~/\W/) { |
unless ($_=~/\W/) { |
$temp .= "my \$$_=\"$token->[2]->{$_}\";" |
my $val=$token->[2]->{$_}; |
|
$val =~ s/([\%\@\\])/\\$1/g; |
|
#if ($val =~ m/^[\%\@]/) { $val="\\".$val; } |
|
$temp .= "my \$$_=\"$val\";" |
} |
} |
} @{$token->[3]}; |
} @{$token->[3]}; |
return $temp; |
return $temp; |
Line 318 sub writeallows {
|
Line 635 sub writeallows {
|
&Apache::lonnet::appenv(%httpref); |
&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 { |
sub handler { |
my $request=shift; |
my $request=shift; |
|
|
my $target='web'; |
my $target='web'; |
$Apache::lonxml::debug=1; |
|
|
$Apache::lonxml::debug=0; |
|
|
if ($ENV{'browser.mathml'}) { |
if ($ENV{'browser.mathml'}) { |
$request->content_type('text/xml'); |
$request->content_type('text/xml'); |
} else { |
} else { |
$request->content_type('text/html'); |
$request->content_type('text/html'); |
} |
} |
|
|
# $request->print(<<ENDHEADER); |
|
#<html> |
|
#<head> |
|
#<title>Just test</title> |
|
#</head> |
|
#<body bgcolor="#FFFFFF"> |
|
#ENDHEADER |
|
# &Apache::lonhomework::send_header($request); |
|
$request->send_http_header; |
$request->send_http_header; |
|
|
|
return OK if $request->header_only; |
|
|
return 'OK' if $request->header_only; |
|
|
|
$request->print(&Apache::lontexconvert::header()); |
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); |
|
} |
|
|
$request->print('<body bgcolor="#FFFFFF">'."\n"); |
# |
|
# Edit action? Insert editing commands |
|
# |
|
unless ($ENV{'request.state'} eq 'published') { |
|
$result=&inserteditinfo($result,$filecontents); |
|
} |
|
|
my $file = "/home/httpd/html".$request->uri; |
|
my %mystyle; |
|
my $result = ''; |
|
$result = Apache::lonxml::xmlparse($target, &Apache::lonnet::getfile($file),'',%mystyle); |
|
$request->print($result); |
$request->print($result); |
|
|
$request->print('</body>'); |
|
$request->print(&Apache::lontexconvert::footer()); |
|
writeallows($request->uri); |
writeallows($request->uri); |
return 'OK'; |
return OK; |
} |
} |
|
|
$Apache::lonxml::debug=0; |
|
sub debug { |
sub debug { |
if ($Apache::lonxml::debug eq 1) { |
if ($Apache::lonxml::debug eq 1) { |
print "DEBUG:".$_[0]."<br>\n"; |
print "DEBUG:".$_[0]."<br />\n"; |
} |
} |
} |
} |
|
|
sub error { |
sub error { |
print "ERROR:".$_[0]."<br>\n"; |
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 { |
sub warning { |
if ($Apache::lonxml::debug eq 1) { |
if ($ENV{'request.state'} eq 'construct') { |
print "WARNING:".$_[0]."<br>\n"; |
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,$descrip,$function,$show) = split(/,/, $line); |
|
$insertlist{"$tagnum.tag"} = $tag; |
|
$insertlist{"$tagnum.description"} = $descrip; |
|
$insertlist{"$tagnum.function"} = $function; |
|
$insertlist{"$tagnum.show"}= $show; |
|
$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++; |
|
} |
|
} |
1; |
1; |
__END__ |
__END__ |
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