|
version 1.1, 2000/06/19 15:52:29
|
version 1.270, 2003/08/11 20:05:53
|
|
Line 1
|
Line 1
|
| package Apache::lonxml; |
# The LearningOnline Network with CAPA |
| |
# XML Parser Module |
| |
# |
| |
# $Id$ |
| |
# |
| |
# Copyright Michigan State University Board of Trustees |
| |
# |
| |
# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
| |
# |
| |
# LON-CAPA is free software; you can redistribute it and/or modify |
| |
# it under the terms of the GNU General Public License as published by |
| |
# the Free Software Foundation; either version 2 of the License, or |
| |
# (at your option) any later version. |
| |
# |
| |
# LON-CAPA is distributed in the hope that it will be useful, |
| |
# but WITHOUT ANY WARRANTY; without even the implied warranty of |
| |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| |
# GNU General Public License for more details. |
| |
# |
| |
# You should have received a copy of the GNU General Public License |
| |
# along with LON-CAPA; if not, write to the Free Software |
| |
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| |
# |
| |
# /home/httpd/html/adm/gpl.txt |
| |
# |
| |
# http://www.lon-capa.org/ |
| |
# |
| |
# Copyright for TtHfunc and TtMfunc by Ian Hutchinson. |
| |
# TtHfunc and TtMfunc (the "Code") may be compiled and linked into |
| |
# binary executable programs or libraries distributed by the |
| |
# Michigan State University (the "Licensee"), but any binaries so |
| |
# distributed are hereby licensed only for use in the context |
| |
# of a program or computational system for which the Licensee is the |
| |
# primary author or distributor, and which performs substantial |
| |
# additional tasks beyond the translation of (La)TeX into HTML. |
| |
# The C source of the Code may not be distributed by the Licensee |
| |
# to any other parties under any circumstances. |
| |
# |
| |
# last modified 06/26/00 by Alexander Sakharuk |
| |
# 11/6 Gerd Kortemeyer |
| |
# 6/1/1 Gerd Kortemeyer |
| |
# 2/21,3/13 Guy |
| |
# 3/29,5/4 Gerd Kortemeyer |
| |
# 5/26 Gerd Kortemeyer |
| |
# 5/27 H. K. Ng |
| |
# 6/2,6/3,6/8,6/9 Gerd Kortemeyer |
| |
# 6/12,6/13 H. K. Ng |
| |
# 6/16 Gerd Kortemeyer |
| |
# 7/27 H. K. Ng |
| |
# 8/7,8/9,8/10,8/11,8/15,8/16,8/17,8/18,8/20,8/23,8/24 Gerd Kortemeyer |
| |
# Guy Albertelli |
| |
# 9/26 Gerd Kortemeyer |
| |
# Dec Guy Albertelli |
| |
# YEAR=2002 |
| |
# 1/1 Gerd Kortemeyer |
| |
# 1/2 Matthew Hall |
| |
# 1/3 Gerd Kortemeyer |
| |
# |
| |
|
| |
package Apache::lonxml; |
| |
use vars |
| |
qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $prevent_entity_encode $errorcount $warningcount); |
| use strict; |
use strict; |
| use HTML::TokeParser; |
use HTML::LCParser(); |
| use Safe; |
use HTML::TreeBuilder(); |
| |
use HTML::Entities(); |
| |
use Safe(); |
| |
use Safe::Hole(); |
| |
use Math::Cephes(); |
| |
use Math::Random(); |
| |
use Opcode(); |
| |
|
| |
|
| |
sub register { |
| |
my ($space,@taglist) = @_; |
| |
foreach my $temptag (@taglist) { |
| |
push(@{ $Apache::lonxml::alltags{$temptag} },$space); |
| |
} |
| |
} |
| |
|
| |
sub deregister { |
| |
my ($space,@taglist) = @_; |
| |
foreach my $temptag (@taglist) { |
| |
my $tempspace = $Apache::lonxml::alltags{$temptag}[-1]; |
| |
if ($tempspace eq $space) { |
| |
pop(@{ $Apache::lonxml::alltags{$temptag} }); |
| |
} |
| |
} |
| |
#&printalltags(); |
| |
} |
| |
|
| use Apache::Constants qw(:common); |
use Apache::Constants qw(:common); |
| use Apache::lontexconvert; |
use Apache::lontexconvert(); |
| |
use Apache::style(); |
| |
use Apache::run(); |
| |
use Apache::londefdef(); |
| |
use Apache::scripttag(); |
| |
use Apache::edit(); |
| |
use Apache::inputtags(); |
| |
use Apache::outputtags(); |
| |
use Apache::lonnet(); |
| |
use Apache::File(); |
| |
use Apache::loncommon(); |
| |
use Apache::lonfeedback(); |
| |
use Apache::lonmsg(); |
| |
use Apache::loncacc(); |
| |
|
| |
#================================================== Main subroutine: xmlparse |
| |
#debugging control, to turn on debugging modify the correct handler |
| |
$Apache::lonxml::debug=0; |
| |
|
| |
# keeps count of the number of warnings and errors generated in a parse |
| |
$warningcount=0; |
| |
$errorcount=0; |
| |
|
| |
#path to the directory containing the file currently being processed |
| |
@pwd=(); |
| |
|
| |
#these two are used for capturing a subset of the output for later processing, |
| |
#don't touch them directly use &startredirection and &endredirection |
| |
@outputstack = (); |
| |
$redirection = 0; |
| |
|
| |
#controls wheter the <import> tag actually does |
| |
$import = 1; |
| |
@extlinks=(); |
| |
|
| |
# meta mode is a bit weird only some output is to be turned off |
| |
#<output> tag turns metamode off (defined in londefdef.pm) |
| |
$metamode = 0; |
| |
|
| |
# turns on and of run::evaluate actually derefencing var refs |
| |
$evaluate = 1; |
| |
|
| |
# data structure for eidt mode, determines what tags can go into what other tags |
| |
%insertlist=(); |
| |
|
| |
# stores the list of active tag namespaces |
| |
@namespace=(); |
| |
|
| |
# if 0 all high ASCII characters will be encoded into HTML Entities |
| |
$prevent_entity_encode=0; |
| |
|
| |
# has the dynamic menu been updated to know about this resource |
| |
$Apache::lonxml::registered=0; |
| |
|
| |
# a pointer the the Apache request object |
| |
$Apache::lonxml::request=''; |
| |
|
| |
# a problem number counter, and check on ether it is used |
| |
$Apache::lonxml::counter=1; |
| |
$Apache::lonxml::counter_changed=0; |
| |
|
| |
#internal check on whether to look at style defs |
| |
$Apache::lonxml::usestyle=1; |
| |
|
| |
#locations used to store the parameter string for style substitutions |
| |
$Apache::lonxml::style_values=''; |
| |
$Apache::lonxml::style_end_values=''; |
| |
|
| |
sub xmlbegin { |
| |
my $output=''; |
| |
if ($ENV{'browser.mathml'}) { |
| |
$output='<?xml version="1.0"?>' |
| |
.'<?xml-stylesheet type="text/css" href="/adm/MathML/mathml.css"?>' |
| |
.'<!DOCTYPE html SYSTEM "/adm/MathML/mathml.dtd" ' |
| |
.'[<!ENTITY mathns "http://www.w3.org/1998/Math/MathML">]>' |
| |
.'<html xmlns:math="http://www.w3.org/1998/Math/MathML" ' |
| |
.'xmlns="http://www.w3.org/TR/REC-html40">'; |
| |
} else { |
| |
$output='<html>'; |
| |
} |
| |
return $output; |
| |
} |
| |
|
| |
sub xmlend { |
| |
my ($discussiononly,$symb)=@_; |
| |
my $discussion=''; |
| |
if ($ENV{'request.course.id'}) { |
| |
my $crs='/'.$ENV{'request.course.id'}; |
| |
if ($ENV{'request.course.sec'}) { |
| |
$crs.='_'.$ENV{'request.course.sec'}; |
| |
} |
| |
$crs=~s/\_/\//g; |
| |
my $seeid=&Apache::lonnet::allowed('rin',$crs); |
| |
unless ($symb) { |
| |
$symb=&Apache::lonnet::symbread(); |
| |
} |
| |
if ($symb) { |
| |
my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'}, |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}, |
| |
$ENV{'course.'.$ENV{'request.course.id'}.'.num'}); |
| |
if ($contrib{'version'}) { |
| |
unless ($discussiononly) { |
| |
$discussion.= |
| |
'<address><hr />'; |
| |
} |
| |
my $idx; |
| |
for ($idx=1;$idx<=$contrib{'version'};$idx++) { |
| |
my $hidden=($contrib{'hidden'}=~/\.$idx\./); |
| |
my $deleted=($contrib{'deleted'}=~/\.$idx\./); |
| |
unless ((($hidden) && (!$seeid)) || ($deleted)) { |
| |
my $message=$contrib{$idx.':message'}; |
| |
$message=~s/\n/\<br \/\>/g; |
| |
$message=&Apache::lontexconvert::msgtexconverted($message); |
| |
if ($contrib{$idx.':attachmenturl'}) { |
| |
my ($fname,$ft) |
| |
=($contrib{$idx.':attachmenturl'}=~/\/(\w+)\.(\w+)$/); |
| |
$message.='<p>Attachment: <a href="'. |
| |
&Apache::lonnet::tokenwrapper($contrib{$idx.':attachmenturl'}). |
| |
'"><tt>'.$fname.'.'.$ft.'</tt></a>'; |
| |
} |
| |
if ($message) { |
| |
if ($hidden) { |
| |
$message='<font color="#888888">'.$message.'</font>'; |
| |
} |
| |
my $screenname=&Apache::loncommon::screenname( |
| |
$contrib{$idx.':sendername'}, |
| |
$contrib{$idx.':senderdomain'}); |
| |
my $plainname=&Apache::loncommon::nickname( |
| |
$contrib{$idx.':sendername'}, |
| |
$contrib{$idx.':senderdomain'}); |
| |
|
| |
my $sender='Anonymous'; |
| |
if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { |
| |
$sender=&Apache::loncommon::aboutmewrapper( |
| |
$plainname, |
| |
$contrib{$idx.':sendername'}, |
| |
$contrib{$idx.':senderdomain'}).' ('. |
| |
$contrib{$idx.':sendername'}.' at '. |
| |
$contrib{$idx.':senderdomain'}.')'; |
| |
if ($contrib{$idx.':anonymous'}) { |
| |
$sender.=' [anonymous] '. |
| |
$screenname; |
| |
} |
| |
if ($seeid) { |
| |
if ($hidden) { |
| |
$sender.=' <a href="/adm/feedback?unhide='. |
| |
$symb.':::'.$idx.'">Make Visible</a>'; |
| |
} else { |
| |
$sender.=' <a href="/adm/feedback?hide='. |
| |
$symb.':::'.$idx.'">Hide</a>'; |
| |
} |
| |
$sender.=' <a href="/adm/feedback?deldisc='. |
| |
$symb.':::'.$idx.'">Delete</a>'; |
| |
} |
| |
} else { |
| |
if ($screenname) { |
| |
$sender='<i>'.$screenname.'</i>'; |
| |
} |
| |
} |
| |
$discussion.='<p><b>'.$sender.'</b> ('. |
| |
localtime($contrib{$idx.':timestamp'}). |
| |
'):<blockquote>'.$message. |
| |
'</blockquote></p>'; |
| |
} |
| |
} |
| |
} |
| |
unless ($discussiononly) { |
| |
$discussion.='</address>'; |
| |
} |
| |
} |
| |
if ($discussiononly) { |
| |
$discussion.=(<<ENDDISCUSS); |
| |
<form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> |
| |
<input type="submit" name="discuss" value="Post Discussion" /> |
| |
<input type="submit" name="anondiscuss" value="Post Anonymous Discussion" /> |
| |
<input type="hidden" name="symb" value="$symb" /> |
| |
<input type="hidden" name="sendit" value="true" /> |
| |
<br /> |
| |
<font size="1">Note: in anonymous discussion, your name is visible only to |
| |
course faculty</font><br /> |
| |
<textarea name=comment cols=60 rows=10 wrap=hard></textarea> |
| |
<p> |
| |
Attachment (128 KB max size): <input type="file" name="attachment" /> |
| |
</p> |
| |
</form> |
| |
ENDDISCUSS |
| |
$discussion.=&Apache::lonfeedback::generate_preview_button(); |
| |
} |
| |
} |
| |
} |
| |
return $discussion.($discussiononly?'':'</html>'); |
| |
} |
| |
|
| |
sub tokeninputfield { |
| |
my $defhost=$Apache::lonnet::perlvar{'lonHostID'}; |
| |
$defhost=~tr/a-z/A-Z/; |
| |
return (<<ENDINPUTFIELD) |
| |
<script type="text/javascript"> |
| |
function updatetoken() { |
| |
var comp=new Array; |
| |
var barcode=unescape(document.tokeninput.barcode.value); |
| |
comp=barcode.split('*'); |
| |
if (typeof(comp[0])!="undefined") { |
| |
document.tokeninput.codeone.value=comp[0]; |
| |
} |
| |
if (typeof(comp[1])!="undefined") { |
| |
document.tokeninput.codetwo.value=comp[1]; |
| |
} |
| |
if (typeof(comp[2])!="undefined") { |
| |
comp[2]=comp[2].toUpperCase(); |
| |
document.tokeninput.codethree.value=comp[2]; |
| |
} |
| |
document.tokeninput.barcode.value=''; |
| |
} |
| |
</script> |
| |
<form method="post" name="tokeninput"> |
| |
<table border="2" bgcolor="#FFFFBB"> |
| |
<tr><th>DocID Checkin</th></tr> |
| |
<tr><td> |
| |
<table> |
| |
<tr> |
| |
<td>Scan in Barcode</td> |
| |
<td><input type="text" size="22" name="barcode" |
| |
onChange="updatetoken()"/></td> |
| |
</tr> |
| |
<tr><td><i>or</i> Type in DocID</td> |
| |
<td> |
| |
<input type="text" size="5" name="codeone" /> |
| |
<b><font size="+2">*</font></b> |
| |
<input type="text" size="5" name="codetwo" /> |
| |
<b><font size="+2">*</font></b> |
| |
<input type="text" size="10" name="codethree" value="$defhost" |
| |
onChange="this.value=this.value.toUpperCase()" /> |
| |
</td></tr> |
| |
</table> |
| |
</td></tr> |
| |
<tr><td><input type="submit" value="Check in DocID" /></td></tr> |
| |
</table> |
| |
</form> |
| |
ENDINPUTFIELD |
| |
} |
| |
|
| |
sub maketoken { |
| |
my ($symb,$tuname,$tudom,$tcrsid)=@_; |
| |
unless ($symb) { |
| |
$symb=&Apache::lonnet::symbread(); |
| |
} |
| |
unless ($tuname) { |
| |
$tuname=$ENV{'user.name'}; |
| |
$tudom=$ENV{'user.domain'}; |
| |
$tcrsid=$ENV{'request.course.id'}; |
| |
} |
| |
|
| |
return &Apache::lonnet::checkout($symb,$tuname,$tudom,$tcrsid); |
| |
} |
| |
|
| |
sub printtokenheader { |
| |
my ($target,$token,$tsymb,$tcrsid,$tudom,$tuname)=@_; |
| |
unless ($token) { return ''; } |
| |
|
| |
my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); |
| |
unless ($tsymb) { |
| |
$tsymb=$symb; |
| |
} |
| |
unless ($tuname) { |
| |
$tuname=$name; |
| |
$tudom=$domain; |
| |
$tcrsid=$courseid; |
| |
} |
| |
|
| |
my %reply=&Apache::lonnet::get('environment', |
| |
['firstname','middlename','lastname','generation'], |
| |
$tudom,$tuname); |
| |
my $plainname=$reply{'firstname'}.' '. |
| |
$reply{'middlename'}.' '. |
| |
$reply{'lastname'}.' '. |
| |
$reply{'generation'}; |
| |
|
| |
if ($target eq 'web') { |
| |
my %idhash=&Apache::lonnet::idrget($tudom,($tuname)); |
| |
return |
| |
'<img align="right" src="/cgi-bin/barcode.png?encode='.$token.'" />'. |
| |
'Checked out for '.$plainname. |
| |
'<br />User: '.$tuname.' at '.$tudom. |
| |
'<br />ID: '.$idhash{$tuname}. |
| |
'<br />CourseID: '.$tcrsid. |
| |
'<br />Course: '.$ENV{'course.'.$tcrsid.'.description'}. |
| |
'<br />DocID: '.$token. |
| |
'<br />Time: '.localtime().'<hr />'; |
| |
} else { |
| |
return $token; |
| |
} |
| |
} |
| |
|
| |
sub fontsettings() { |
| |
my $headerstring=''; |
| |
if (($ENV{'browser.os'} eq 'mac') && (!$ENV{'browser.mathml'})) { |
| |
$headerstring.= |
| |
'<meta Content-Type="text/html; charset=x-mac-roman">'; |
| |
} elsif (!$ENV{'browser.mathml'} && $ENV{'browser.unicode'}) { |
| |
$headerstring.= |
| |
'<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />'; |
| |
} |
| |
return $headerstring; |
| |
} |
| |
|
| #======================================================= Main subroutine: xmlparse |
sub printalltags { |
| |
my $temp; |
| |
foreach $temp (sort keys %Apache::lonxml::alltags) { |
| |
&Apache::lonxml::debug("$temp -- ". |
| |
join(',',@{ $Apache::lonxml::alltags{$temp} })); |
| |
} |
| |
} |
| |
|
| sub xmlparse { |
sub xmlparse { |
| |
my ($request,$target,$content_file_string,$safeinit,%style_for_target) = @_; |
| |
|
| my ($target,$content_file_string,%style_for_target) = @_; |
&setup_globals($request,$target); |
| my $pars = HTML::TokeParser->new(\$content_file_string); |
&Apache::inputtags::initialize_inputtags(); |
| my $currentstring = ''; |
&Apache::outputtags::initialize_outputtags(); |
| my $finaloutput = ''; |
&Apache::edit::initialize_edit(); |
| my $newarg = ''; |
|
| my $tempostring = ''; |
# |
| my $tempocont = ''; |
# do we have a course style file? |
| my $safeeval = new Safe; |
# |
| |
|
| #------------------------- Redefinition of the target in the case of compound target |
if ($ENV{'request.course.id'} && $ENV{'request.state'} ne 'construct') { |
| ($target, my @tenta) = split('&&',$target); |
my $bodytext= |
| #------------------------------ Stack definition (in stack we have all current tags) |
$ENV{'course.'.$ENV{'request.course.id'}.'.default_xml_style'}; |
| |
if ($bodytext) { |
| |
my $location=&Apache::lonnet::filelocation('',$bodytext); |
| |
my $styletext=&Apache::lonnet::getfile($location); |
| |
if ($styletext ne '-1') { |
| |
%style_for_target = (%style_for_target, |
| |
&Apache::style::styleparser($target,$styletext)); |
| |
} |
| |
} |
| |
} |
| |
#&printalltags(); |
| |
my @pars = (); |
| |
my $pwd=$ENV{'request.filename'}; |
| |
$pwd =~ s:/[^/]*$::; |
| |
&newparser(\@pars,\$content_file_string,$pwd); |
| |
|
| |
my $safeeval = new Safe; |
| |
my $safehole = new Safe::Hole; |
| |
&init_safespace($target,$safeeval,$safehole,$safeinit); |
| |
#-------------------- Redefinition of the target in the case of compound target |
| |
|
| |
($target, my @tenta) = split('&&',$target); |
| |
|
| |
my @stack = (); |
| |
my @parstack = (); |
| |
&initdepth; |
| |
|
| |
my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars, |
| |
$safeeval,\%style_for_target); |
| |
|
| |
if ($ENV{'request.uri'}) { |
| |
&writeallows($ENV{'request.uri'}); |
| |
} |
| |
if ($Apache::lonxml::counter_changed) { &store_counter() } |
| |
return $finaloutput; |
| |
} |
| |
|
| my @stack = (); |
sub htmlclean { |
| my @parstack = (); |
my ($raw,$full)=@_; |
| |
|
| #------------------------------------------ Parse input string (content_file_string) |
my $tree = HTML::TreeBuilder->new; |
| |
$tree->ignore_unknown(0); |
| my $token; |
|
| |
|
| while ($token = $pars->get_token) { |
$tree->parse($raw); |
| if ($token->[0] eq 'T') { |
|
| $finaloutput .= $token->[1]; |
my $output= $tree->as_HTML(undef,' '); |
| $tempocont .= $token->[1]; |
|
| } elsif ($token->[0] eq 'S') { |
$output=~s/\<(br|hr|img|meta|allow)(.*?)\>/\<$1$2 \/\>/gis; |
| #------------------------------------------------------------------ add tag to stack |
$output=~s/\<\/(br|hr|img|meta|allow)\>//gis; |
| push (@stack,$token->[1]); |
unless ($full) { |
| #---------------------------------------------- add parameters list to another stack |
$output=~s/\<[\/]*(body|head|html)\>//gis; |
| map {$tempostring .= "$_=$token->[2]->{$_},"} @{$token->[3]}; |
} |
| push (@parstack,$tempostring); |
|
| $tempostring = ''; |
$tree = $tree->delete; |
| $tempocont = ''; |
|
| |
return $output; |
| 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 $finaloutput; |
|
| } |
} |
| |
|
| |
sub latex_special_symbols { |
| |
my ($current_token,$stack,$parstack,$where)=@_; |
| |
if ($where eq 'header') { |
| |
$current_token =~ s/(\\|_|\^)/ /g; |
| |
$current_token =~ s/(\$|%|\#|&|\{|\})/\\$1/g; |
| |
} else { |
| |
$current_token=~s/\\ /\\char92 /g; |
| |
$current_token=~s/\^/\\char94 /g; |
| |
$current_token=~s/\~/\\char126 /g; |
| |
$current_token=~s/(&[^A-Za-z\#])/\\$1/g; |
| |
$current_token=~s/([^&])\#/$1\\#/g; |
| |
$current_token=~s/(\$|_|{|})/\\$1/g; |
| |
$current_token=~s/\\char92 /\\texttt{\\char92}/g; |
| |
$current_token=~s/(>|<)/\$$1\$/g; #more or less |
| |
if ($current_token=~m/\d%/) {$current_token =~ s/(\d)%/$1\\%/g;} #percent after digit |
| |
if ($current_token=~m/\s%/) {$current_token =~ s/(\s)%/$1\\%/g;} #persent after space |
| |
if ($current_token eq '%.') {$current_token = '\%.';} #persent at the end of statement |
| |
} |
| |
return $current_token; |
| |
} |
| |
|
| #================================================================== style subroutine |
sub inner_xmlparse { |
| |
my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target)=@_; |
| |
my $finaloutput = ''; |
| |
my $result; |
| |
my $token; |
| |
my $dontpop=0; |
| |
while ( $#$pars > -1 ) { |
| |
while ($token = $$pars['-1']->get_token) { |
| |
if (($token->[0] eq 'T') || ($token->[0] eq 'C') ) { |
| |
if ($metamode<1) { |
| |
my $text=$token->[1]; |
| |
if ($token->[0] eq 'C' && $target eq 'tex') { |
| |
$text = ''; |
| |
# $text = '%'.$text."\n"; |
| |
} |
| |
$result.=$text; |
| |
} |
| |
} elsif (($token->[0] eq 'D')) { |
| |
if ($metamode<1 && $target eq 'web') { |
| |
my $text=$token->[1]; |
| |
$result.=$text; |
| |
} |
| |
} elsif ($token->[0] eq 'PI') { |
| |
if ($metamode<1 && $target eq 'web') { |
| |
$result=$token->[2]; |
| |
} |
| |
} elsif ($token->[0] eq 'S') { |
| |
# add tag to stack |
| |
push (@$stack,$token->[1]); |
| |
# add parameters list to another stack |
| |
push (@$parstack,&parstring($token)); |
| |
&increasedepth($token); |
| |
if ($Apache::lonxml::usestyle && |
| |
exists($$style_for_target{$token->[1]})) { |
| |
$Apache::lonxml::usestyle=0; |
| |
my $string=$$style_for_target{$token->[1]}. |
| |
'<LONCAPA_INTERNAL_TURN_STYLE_ON />'; |
| |
&Apache::lonxml::newparser($pars,\$string); |
| |
$Apache::lonxml::style_values=$$parstack[-1]; |
| |
$Apache::lonxml::style_end_values=$$parstack[-1]; |
| |
} else { |
| |
$result = &callsub("start_$token->[1]", $target, $token, $stack, |
| |
$parstack, $pars, $safeeval, $style_for_target); |
| |
} |
| |
} elsif ($token->[0] eq 'E') { |
| |
if ($Apache::lonxml::usestyle && |
| |
exists($$style_for_target{'/'."$token->[1]"})) { |
| |
$Apache::lonxml::usestyle=0; |
| |
my $string=$$style_for_target{'/'.$token->[1]}. |
| |
'<LONCAPA_INTERNAL_TURN_STYLE_ON end="'.$token->[1].'" />'; |
| |
&Apache::lonxml::newparser($pars,\$string); |
| |
$Apache::lonxml::style_values=$Apache::lonxml::style_end_values; |
| |
$Apache::lonxml::style_end_values=''; |
| |
$dontpop=1; |
| |
} else { |
| |
#clear out any tags that didn't end |
| |
while ($token->[1] ne $$stack['-1'] && ($#$stack > -1)) { |
| |
my $lasttag=$$stack[-1]; |
| |
if ($token->[1] =~ /^$lasttag$/i) { |
| |
&Apache::lonxml::warning('Using tag </'.$token->[1].'> on line '.$token->[3].' as end tag to <'.$$stack[-1].'>'); |
| |
last; |
| |
} else { |
| |
&Apache::lonxml::warning('Found tag </'.$token->[1].'> on line '.$token->[3].' when looking for </'.$$stack[-1].'> in file'); |
| |
&end_tag($stack,$parstack,$token); |
| |
} |
| |
} |
| |
$result = &callsub("end_$token->[1]", $target, $token, $stack, |
| |
$parstack, $pars,$safeeval, $style_for_target); |
| |
} |
| |
} else { |
| |
&Apache::lonxml::error("Unknown token event :$token->[0]:$token->[1]:"); |
| |
} |
| |
#evaluate variable refs in result |
| |
if ($result ne "") { |
| |
my $extras; |
| |
if (!$Apache::lonxml::usestyle) { |
| |
$extras=$Apache::lonxml::style_values; |
| |
} |
| |
if ( $#$parstack > -1 ) { |
| |
$result=&Apache::run::evaluate($result,$safeeval,$extras.$$parstack[-1]); |
| |
} else { |
| |
$result= &Apache::run::evaluate($result,$safeeval,$extras); |
| |
} |
| |
} |
| |
if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) { |
| |
#Style file definitions should be correct |
| |
if ($target eq 'tex' && ($Apache::lonxml::usestyle)) { |
| |
$result=&latex_special_symbols($result,$stack,$parstack); |
| |
} |
| |
} |
| |
|
| sub styleparser { |
# Encode any high ASCII characters |
| |
if (!$Apache::lonxml::prevent_entity_encode) { |
| |
$result=&HTML::Entities::encode($result,"\200-\377"); |
| |
} |
| |
if ($Apache::lonxml::redirection) { |
| |
$Apache::lonxml::outputstack['-1'] .= $result; |
| |
} else { |
| |
$finaloutput.=$result; |
| |
} |
| |
$result = ''; |
| |
|
| my ($target,$content_style_string) = @_; |
if ($token->[0] eq 'E' && !$dontpop) { |
| |
&end_tag($stack,$parstack,$token); |
| |
} |
| |
$dontpop=0; |
| |
} |
| |
if ($#$pars > -1) { |
| |
pop @$pars; |
| |
pop @Apache::lonxml::pwd; |
| |
} |
| |
} |
| |
|
| #------------------------------------------------ target redefinition (if necessary) |
# if ($target eq 'meta') { |
| |
# $finaloutput.=&endredirection; |
| my @target_string = ''; |
# } |
| my $element; |
|
| |
|
| ($element,@target_string) = split ('&&',$target); |
if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) { |
| |
$finaloutput=&afterburn($finaloutput); |
| map {$content_style_string =~ s/\<(.*)$_\>/\<$1$element\>/g; } @target_string; |
} |
| |
return $finaloutput; |
| $target = $element; |
} |
| |
|
| #------------------------------------------------- create a table for defined target |
|
| #---------------------------------------------- from the information from Style File |
|
| |
|
| my @value_style = (); |
|
| my $current_key = ''; |
|
| my $current_value = ''; |
|
| |
|
| 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 = ''; |
|
| $current_value = ''; |
|
| |
|
| |
sub callsub { |
| |
my ($sub,$target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
| |
my $currentstring=''; |
| |
my $nodefault; |
| |
{ |
| |
my $sub1; |
| |
no strict 'refs'; |
| |
my $tag=$token->[1]; |
| |
# get utterly rid of extended html tags |
| |
if ($tag=~/^x\-/i) { return ''; } |
| |
my $space=$Apache::lonxml::alltags{$tag}[-1]; |
| |
if (!$space) { |
| |
$tag=~tr/A-Z/a-z/; |
| |
$sub=~tr/A-Z/a-z/; |
| |
$space=$Apache::lonxml::alltags{$tag}[-1] |
| |
} |
| |
|
| |
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"); |
| |
$sub1="$space\:\:$sub"; |
| |
($currentstring,$nodefault) = &$sub1($target,$token,$tagstack, |
| |
$parstack,$parser,$safeeval, |
| |
$style); |
| |
} else { |
| |
#&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode"); |
| |
if ($metamode <1) { |
| |
if (defined($token->[4]) && ($metamode < 1)) { |
| |
$currentstring = $token->[4]; |
| |
} else { |
| |
$currentstring = $token->[2]; |
| |
} |
| |
} |
| } |
} |
| |
# &Apache::lonxml::debug("nodefalt:$nodefault:"); |
| my %style_for_target = @value_style; |
if ($currentstring eq '' && $nodefault eq '') { |
| |
if ($target eq 'edit') { |
| #-------------------------------------------------------------------- check printing |
#&Apache::lonxml::debug("doing default edit for $token->[1]"); |
| # while (($current_key,$current_value) = each %style_for_target) { |
if ($token->[0] eq 'S') { |
| # print "$current_key => $current_value\n"; |
$currentstring = &Apache::edit::tag_start($target,$token); |
| # } |
} elsif ($token->[0] eq 'E') { |
| |
$currentstring = &Apache::edit::tag_end($target,$token); |
| |
} |
| |
} elsif ($target eq 'modified') { |
| |
if ($token->[0] eq 'S') { |
| |
$currentstring = $token->[4]; |
| |
$currentstring.=&Apache::edit::handle_insert(); |
| |
} elsif ($token->[0] eq 'E') { |
| |
$currentstring = $token->[2]; |
| |
$currentstring.=&Apache::edit::handle_insertafter($token->[1]); |
| |
} else { |
| |
$currentstring = $token->[2]; |
| |
} |
| |
} |
| |
} |
| |
} |
| |
use strict 'refs'; |
| |
} |
| |
return $currentstring; |
| |
} |
| |
|
| return %style_for_target; |
sub setup_globals { |
| |
my ($request,$target)=@_; |
| |
$Apache::lonxml::request=$request; |
| |
$Apache::lonxml::registered = 0; |
| |
$errorcount=0; |
| |
$warningcount=0; |
| |
$Apache::lonxml::default_homework_loaded=0; |
| |
$Apache::lonxml::usestyle=1; |
| |
&init_counter(); |
| |
@Apache::lonxml::pwd=(); |
| |
@Apache::lonxml::extlinks=(); |
| |
if ($target eq 'meta') { |
| |
$Apache::lonxml::redirection = 0; |
| |
$Apache::lonxml::metamode = 1; |
| |
$Apache::lonxml::evaluate = 1; |
| |
$Apache::lonxml::import = 0; |
| |
} elsif ($target eq 'answer') { |
| |
$Apache::lonxml::redirection = 0; |
| |
$Apache::lonxml::metamode = 1; |
| |
$Apache::lonxml::evaluate = 1; |
| |
$Apache::lonxml::import = 1; |
| |
} elsif ($target eq 'grade') { |
| |
&startredirection; |
| |
$Apache::lonxml::metamode = 0; |
| |
$Apache::lonxml::evaluate = 1; |
| |
$Apache::lonxml::import = 1; |
| |
} elsif ($target eq 'modified') { |
| |
$Apache::lonxml::redirection = 0; |
| |
$Apache::lonxml::metamode = 0; |
| |
$Apache::lonxml::evaluate = 0; |
| |
$Apache::lonxml::import = 0; |
| |
} elsif ($target eq 'edit') { |
| |
$Apache::lonxml::redirection = 0; |
| |
$Apache::lonxml::metamode = 0; |
| |
$Apache::lonxml::evaluate = 0; |
| |
$Apache::lonxml::import = 0; |
| |
} elsif ($target eq 'analyze') { |
| |
$Apache::lonxml::redirection = 0; |
| |
$Apache::lonxml::metamode = 0; |
| |
$Apache::lonxml::evaluate = 1; |
| |
$Apache::lonxml::import = 1; |
| |
} else { |
| |
$Apache::lonxml::redirection = 0; |
| |
$Apache::lonxml::metamode = 0; |
| |
$Apache::lonxml::evaluate = 1; |
| |
$Apache::lonxml::import = 1; |
| |
} |
| |
} |
| |
|
| |
sub init_safespace { |
| |
my ($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'); |
| |
$safehole->wrap(\&Apache::outputtags::multipart,$safeeval,'&multipart'); |
| |
$safehole->wrap(\&Apache::lonnet::EXT,$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'); |
| |
|
| |
$safehole->wrap(\&Math::Cephes::bdtr ,$safeeval,'&bdtr' ); |
| |
$safehole->wrap(\&Math::Cephes::bdtrc ,$safeeval,'&bdtrc' ); |
| |
$safehole->wrap(\&Math::Cephes::bdtri ,$safeeval,'&bdtri' ); |
| |
$safehole->wrap(\&Math::Cephes::btdtr ,$safeeval,'&btdtr' ); |
| |
$safehole->wrap(\&Math::Cephes::chdtr ,$safeeval,'&chdtr' ); |
| |
$safehole->wrap(\&Math::Cephes::chdtrc,$safeeval,'&chdtrc'); |
| |
$safehole->wrap(\&Math::Cephes::chdtri,$safeeval,'&chdtri'); |
| |
$safehole->wrap(\&Math::Cephes::fdtr ,$safeeval,'&fdtr' ); |
| |
$safehole->wrap(\&Math::Cephes::fdtrc ,$safeeval,'&fdtrc' ); |
| |
$safehole->wrap(\&Math::Cephes::fdtri ,$safeeval,'&fdtri' ); |
| |
$safehole->wrap(\&Math::Cephes::gdtr ,$safeeval,'&gdtr' ); |
| |
$safehole->wrap(\&Math::Cephes::gdtrc ,$safeeval,'&gdtrc' ); |
| |
$safehole->wrap(\&Math::Cephes::nbdtr ,$safeeval,'&nbdtr' ); |
| |
$safehole->wrap(\&Math::Cephes::nbdtrc,$safeeval,'&nbdtrc'); |
| |
$safehole->wrap(\&Math::Cephes::nbdtri,$safeeval,'&nbdtri'); |
| |
$safehole->wrap(\&Math::Cephes::ndtr ,$safeeval,'&ndtr' ); |
| |
$safehole->wrap(\&Math::Cephes::ndtri ,$safeeval,'&ndtri' ); |
| |
$safehole->wrap(\&Math::Cephes::pdtr ,$safeeval,'&pdtr' ); |
| |
$safehole->wrap(\&Math::Cephes::pdtrc ,$safeeval,'&pdtrc' ); |
| |
$safehole->wrap(\&Math::Cephes::pdtri ,$safeeval,'&pdtri' ); |
| |
$safehole->wrap(\&Math::Cephes::stdtr ,$safeeval,'&stdtr' ); |
| |
$safehole->wrap(\&Math::Cephes::stdtri,$safeeval,'&stdtri'); |
| |
|
| |
# $safehole->wrap(\&Math::Cephes::new_fract,$safeeval,'&new_fract'); |
| |
# $safehole->wrap(\&Math::Cephes::radd,$safeeval,'&radd'); |
| |
# $safehole->wrap(\&Math::Cephes::rsub,$safeeval,'&rsub'); |
| |
# $safehole->wrap(\&Math::Cephes::rmul,$safeeval,'&rmul'); |
| |
# $safehole->wrap(\&Math::Cephes::rdiv,$safeeval,'&rdiv'); |
| |
# $safehole->wrap(\&Math::Cephes::euclid,$safeeval,'&euclid'); |
| |
|
| |
$safehole->wrap(\&Math::Random::random_beta,$safeeval,'&math_random_beta'); |
| |
$safehole->wrap(\&Math::Random::random_chi_square,$safeeval,'&math_random_chi_square'); |
| |
$safehole->wrap(\&Math::Random::random_exponential,$safeeval,'&math_random_exponential'); |
| |
$safehole->wrap(\&Math::Random::random_f,$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.'";'; |
| |
my $rndseed; |
| |
my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); |
| |
$rndseed=&Apache::lonnet::rndseed($symb,$courseid,$domain,$name); |
| |
$safeinit .= ';$external::randomseed='.$rndseed.';'; |
| |
&Apache::lonxml::debug("Setting rndseed to $rndseed"); |
| |
&Apache::run::run($safeinit,$safeeval); |
| } |
} |
| |
|
| |
sub default_homework_load { |
| |
my ($safeeval)=@_; |
| |
&Apache::lonxml::debug('Loading default_homework'); |
| |
my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/default_homework.lcpm'); |
| |
if ($default eq -1) { |
| |
&Apache::lonxml::error("<b>Unable to find <i>default_homework.lcpm</i></b>"); |
| |
} else { |
| |
&Apache::run::run($default,$safeeval); |
| |
$Apache::lonxml::default_homework_loaded=1; |
| |
} |
| |
} |
| |
|
| |
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("Missing tags, unable to properly run file."); |
| |
$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] : $curdepth\n"; |
| |
} |
| |
|
| |
sub get_all_text_unbalanced { |
| |
#there is a copy of this in lonpublisher.pm |
| |
my($tag,$pars)= @_; |
| |
my $token; |
| |
my $result=''; |
| |
$tag='<'.$tag.'>'; |
| |
while ($token = $$pars[-1]->get_token) { |
| |
if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) { |
| |
$result.=$token->[1]; |
| |
} elsif ($token->[0] eq 'PI') { |
| |
$result.=$token->[2]; |
| |
} elsif ($token->[0] eq 'S') { |
| |
$result.=$token->[4]; |
| |
} elsif ($token->[0] eq 'E') { |
| |
$result.=$token->[2]; |
| |
} |
| |
if ($result =~ /(.*)\Q$tag\E(.*)/s) { |
| |
&Apache::lonxml::debug('Got a winner with leftovers ::'.$2); |
| |
&Apache::lonxml::debug('Result is :'.$1); |
| |
$result=$1; |
| |
my $redo=$tag.$2; |
| |
&Apache::lonxml::newparser($pars,\$redo); |
| |
last; |
| |
} |
| |
} |
| |
return $result |
| |
} |
| |
|
| |
sub increment_counter { |
| |
my ($increment) = @_; |
| |
if (defined($increment) && $increment gt 0) { |
| |
$Apache::lonxml::counter+=$increment; |
| |
} else { |
| |
$Apache::lonxml::counter++; |
| |
} |
| |
$Apache::lonxml::counter_changed=1; |
| |
} |
| |
|
| |
sub init_counter { |
| |
if (defined($ENV{'form.counter'})) { |
| |
$Apache::lonxml::counter=$ENV{'form.counter'}; |
| |
$Apache::lonxml::counter_changed=0; |
| |
} else { |
| |
$Apache::lonxml::counter=1; |
| |
$Apache::lonxml::counter_changed=1; |
| |
} |
| |
} |
| |
|
| |
sub store_counter { |
| |
&Apache::lonnet::appenv(('form.counter' => $Apache::lonxml::counter)); |
| |
return ''; |
| |
} |
| |
|
| #=============================================================== Subroutine definition |
sub get_all_text { |
| #--------------------------------------------------------------------------------- Run |
my($tag,$pars,$style)= @_; |
| sub evaluate { |
&Apache::lonxml::debug("Got a ".ref($pars)); |
| my ($expression,$safeeval) = @_; |
my $gotfullstack=1; |
| return $safeeval->reval($expression); |
if (ref($pars) ne 'ARRAY') { |
| } |
$gotfullstack=0; |
| |
$pars=[$pars]; |
| sub run { |
} |
| my ($code,$safeeval) = @_; |
&Apache::lonxml::debug("Got a ".ref($style)); |
| $safeeval->reval($code); |
if (ref($style) ne 'HASH') { |
| } |
$style={}; |
| |
} else { |
| #===================================================================== TAG SUBROUTINES |
&Apache::lonhomework::showhash(%$style); |
| #----------------------------------------------------------------------------- <m> tag |
} |
| sub start_m { |
my $depth=0; |
| my ($target,$token) = @_; |
my $token; |
| my $currentstring = ''; |
my $result=''; |
| if ($target eq 'web') { |
if ( $tag =~ m:^/: ) { |
| $currentstring = "\$out = lontexconvert::converted(\$in = '\$'.\""; |
my $tag=substr($tag,1); |
| } elsif ($target eq 'tex') { |
#&Apache::lonxml::debug("have:$tag:"); |
| $currentstring = "\$"; |
my $top_empty=0; |
| } |
while (($depth >=0) && ($#$pars > -1) && (!$top_empty)) { |
| return $currentstring; |
while (($depth >=0) && ($token = $$pars[-1]->get_token)) { |
| } |
#&Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]:".$#$pars.":".$#Apache::lonxml::pwd); |
| sub end_m { |
if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) { |
| my ($target,$token) = @_; |
$result.=$token->[1]; |
| my $currentstring = ''; |
} elsif ($token->[0] eq 'PI') { |
| if ($target eq 'web') { |
$result.=$token->[2]; |
| $currentstring = "\".'\$') "; |
} elsif ($token->[0] eq 'S') { |
| } elsif ($target eq 'tex') { |
if ($token->[1] =~ /^$tag$/i) { $depth++; } |
| $currentstring = "\$"; |
if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/i) { $Apache::lonxml::usestyle=1; } |
| } |
if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/i) { $Apache::lonxml::usestyle=0; } |
| return $currentstring; |
$result.=$token->[4]; |
| } |
} elsif ($token->[0] eq 'E') { |
| #-------------------------------------------------------------------------- <html> tag |
if ( $token->[1] =~ /^$tag$/i) { $depth--; } |
| sub start_html { |
#skip sending back the last end tag |
| my ($target,$token) = @_; |
if ($depth == 0 && exists($$style{'/'.$token->[1]})) { |
| my $currentstring = ''; |
my $string= |
| if ($target eq 'web') { |
'<LONCAPA_INTERNAL_TURN_STYLE_OFF end="yes" />'. |
| $currentstring = $token->[4]; |
$$style{'/'.$token->[1]}. |
| } |
$token->[2]. |
| return $currentstring; |
'<LONCAPA_INTERNAL_TURN_STYLE_ON />'; |
| } |
&Apache::lonxml::newparser($pars,\$string); |
| sub end_html { |
#&Apache::lonxml::debug("reParsing $string"); |
| my ($target,$token) = @_; |
next; |
| my $currentstring = ''; |
} |
| if ($target eq 'web') { |
if ($depth > -1) { |
| $currentstring = $token->[2]; |
$result.=$token->[2]; |
| } |
} else { |
| return $currentstring; |
$$pars[-1]->unget_token($token); |
| } |
} |
| #-------------------------------------------------------------------------- <head> tag |
} |
| sub start_head { |
} |
| my ($target,$token) = @_; |
if (($depth >=0) && ($#$pars == 0) ) { $top_empty=1; } |
| my $currentstring = ''; |
if (($depth >=0) && ($#$pars > 0) ) { |
| if ($target eq 'web') { |
pop(@$pars); |
| $currentstring = $token->[4]; |
pop(@Apache::lonxml::pwd); |
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_head { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #--------------------------------------------------------------------------- <map> tag |
|
| 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 { |
if ($top_empty && $depth >= 0) { |
| my ($target,$token) = @_; |
#never found the end tag ran out of text, throw error send back blank |
| my $currentstring = ''; |
&error('Never found end tag for <'.$tag. |
| if ($target eq 'web') { |
'> current string <pre>'. |
| $currentstring = $token->[2]; |
&HTML::Entities::encode($result). |
| } |
'</pre>'); |
| return $currentstring; |
if ($gotfullstack) { |
| } |
my $newstring='</'.$tag.'>'.$result; |
| #-------------------------------------------------------------------------- <meta> tag |
&Apache::lonxml::newparser($pars,\$newstring); |
| sub start_meta { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
} |
| return $currentstring; |
$result=''; |
| } |
} |
| sub end_meta { |
} else { |
| my ($target,$token) = @_; |
while ($#$pars > -1) { |
| my $currentstring = ''; |
while ($token = $$pars[-1]->get_token) { |
| if ($target eq 'web') { |
#&Apache::lonxml::debug("s token:$token->[0]:$depth:$token->[1]"); |
| $currentstring = $token->[2]; |
if (($token->[0] eq 'T')||($token->[0] eq 'C')|| |
| } |
($token->[0] eq 'D')) { |
| return $currentstring; |
$result.=$token->[1]; |
| } |
} elsif ($token->[0] eq 'PI') { |
| #-------------------------------------------------------------------------- <body> tag |
$result.=$token->[2]; |
| sub start_body { |
} elsif ($token->[0] eq 'S') { |
| my ($target,$token) = @_; |
if ( $token->[1] =~ /^$tag$/i) { |
| my $currentstring = ''; |
$$pars[-1]->unget_token($token); last; |
| if ($target eq 'web') { |
} else { |
| $currentstring = $token->[4]; |
$result.=$token->[4]; |
| } elsif ($target eq 'tex') { |
} |
| $currentstring = " \\begin{document} "; |
if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/i) { $Apache::lonxml::usestyle=1; } |
| } |
if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/i) { $Apache::lonxml::usestyle=0; } |
| return $currentstring; |
} elsif ($token->[0] eq 'E') { |
| } |
$result.=$token->[2]; |
| 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; |
if (($#$pars > 0) ) { |
| |
pop(@$pars); |
| |
pop(@Apache::lonxml::pwd); |
| |
} else { last; } |
| } |
} |
| #--------------------------------------------------------------------------- <big> tag |
} |
| sub start_big { |
#&Apache::lonxml::debug("Exit:$result:"); |
| my ($target,$token) = @_; |
return $result |
| my $currentstring = ''; |
} |
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
sub newparser { |
| } elsif ($target eq 'tex') { |
my ($parser,$contentref,$dir) = @_; |
| $currentstring .= "{\\large "; |
push (@$parser,HTML::LCParser->new($contentref)); |
| } |
$$parser['-1']->xml_mode('1'); |
| return $currentstring; |
if ( $dir eq '' ) { |
| } |
push (@Apache::lonxml::pwd, $Apache::lonxml::pwd[$#Apache::lonxml::pwd]); |
| sub end_big { |
} else { |
| my ($target,$token) = @_; |
push (@Apache::lonxml::pwd, $dir); |
| my $currentstring = ''; |
} |
| if ($target eq 'web') { |
} |
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
sub parstring { |
| $currentstring .= " }"; |
my ($token) = @_; |
| } |
my $temp=''; |
| return $currentstring; |
foreach (@{$token->[3]}) { |
| } |
unless ($_=~/\W/) { |
| #------------------------------------------------------------------------- <small> tag |
my $val=$token->[2]->{$_}; |
| sub start_small { |
$val =~ s/([\%\@\\\"\'])/\\$1/g; |
| my ($target,$token) = @_; |
#if ($val =~ m/^[\%\@]/) { $val="\\".$val; } |
| my $currentstring = ''; |
$temp .= "my \$$_=\"$val\";"; |
| if ($target eq 'web') { |
} |
| $currentstring .= $token->[4]; |
} |
| } elsif ($target eq 'tex') { |
return $temp; |
| $currentstring .= "{\\footnotesize "; |
} |
| } |
|
| return $currentstring; |
sub writeallows { |
| } |
unless ($#extlinks>=0) { return; } |
| sub end_small { |
my $thisurl='/res/'.&Apache::lonnet::declutter(shift); |
| my ($target,$token) = @_; |
if ($ENV{'httpref.'.$thisurl}) { |
| my $currentstring = ''; |
$thisurl=$ENV{'httpref.'.$thisurl}; |
| if ($target eq 'web') { |
} |
| $currentstring .= $token->[2]; |
my $thisdir=$thisurl; |
| } elsif ($target eq 'tex') { |
$thisdir=~s/\/[^\/]+$//; |
| $currentstring .= " }"; |
my %httpref=(); |
| } |
foreach (@extlinks) { |
| return $currentstring; |
$httpref{'httpref.'. |
| } |
&Apache::lonnet::hreflocation($thisdir,$_)}=$thisurl; |
| #---------------------------------------------------------------------- <basefont> tag |
} |
| sub start_basefont { |
@extlinks=(); |
| my ($target,$token) = @_; |
&Apache::lonnet::appenv(%httpref); |
| my $currentstring = ''; |
} |
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
# |
| } |
# Afterburner handles anchors, highlights and links |
| return $currentstring; |
# |
| } |
sub afterburn { |
| #-------------------------------------------------------------------------- <font> tag |
my $result=shift; |
| sub start_font { |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
| my ($target,$token) = @_; |
['highlight','anchor','link']); |
| my $currentstring = ''; |
if ($ENV{'form.highlight'}) { |
| if ($target eq 'web') { |
foreach (split(/\,/,$ENV{'form.highlight'})) { |
| $currentstring = $token->[4]; |
my $anchorname=$_; |
| } |
my $matchthis=$anchorname; |
| return $currentstring; |
$matchthis=~s/\_+/\\s\+/g; |
| } |
$result=~s/($matchthis)/\<font color=\"red\"\>$1\<\/font\>/gs; |
| sub end_font { |
} |
| my ($target,$token) = @_; |
} |
| my $currentstring = ''; |
if ($ENV{'form.link'}) { |
| if ($target eq 'web') { |
foreach (split(/\,/,$ENV{'form.link'})) { |
| $currentstring = $token->[2]; |
my ($anchorname,$linkurl)=split(/\>/,$_); |
| } |
my $matchthis=$anchorname; |
| return $currentstring; |
$matchthis=~s/\_+/\\s\+/g; |
| } |
$result=~s/($matchthis)/\<a href=\"$linkurl\"\>$1\<\/a\>/gs; |
| #------------------------------------------------------------------------ <strike> tag |
} |
| sub start_strike { |
} |
| my ($target,$token) = @_; |
if ($ENV{'form.anchor'}) { |
| my $currentstring = ''; |
my $anchorname=$ENV{'form.anchor'}; |
| if ($target eq 'web') { |
my $matchthis=$anchorname; |
| $currentstring .= $token->[4]; |
$matchthis=~s/\_+/\\s\+/g; |
| } elsif ($target eq 'tex') { |
$result=~s/($matchthis)/\<a name=\"$anchorname\"\>$1\<\/a\>/s; |
| $currentstring .= "{\\underline "; |
$result.=(<<"ENDSCRIPT"); |
| } |
<script type="text/javascript"> |
| return $currentstring; |
document.location.hash='$anchorname'; |
| } |
</script> |
| sub end_strike { |
ENDSCRIPT |
| my ($target,$token) = @_; |
} |
| my $currentstring = ''; |
return $result; |
| if ($target eq 'web') { |
} |
| $currentstring .= $token->[2]; |
|
| } elsif ($target eq 'tex') { |
sub storefile { |
| $currentstring .= " }"; |
my ($file,$contents)=@_; |
| } |
if (my $fh=Apache::File->new('>'.$file)) { |
| return $currentstring; |
print $fh $contents; |
| } |
$fh->close(); |
| #----------------------------------------------------------------------------- <s> tag |
} else { |
| sub start_s { |
&warning("Unable to save file $file"); |
| my ($target,$token) = @_; |
} |
| my $currentstring = ''; |
} |
| if ($target eq 'web') { |
|
| $currentstring .= $token->[4]; |
sub createnewhtml { |
| } elsif ($target eq 'tex') { |
my $filecontents=(<<SIMPLECONTENT); |
| $currentstring .= "{\\underline "; |
<html> |
| } |
<head> |
| return $currentstring; |
<title> |
| } |
Title of Document Goes Here |
| sub end_s { |
</title> |
| my ($target,$token) = @_; |
</head> |
| my $currentstring = ''; |
<body bgcolor="#FFFFFF"> |
| if ($target eq 'web') { |
|
| $currentstring .= $token->[2]; |
Body of Document Goes Here |
| } elsif ($target eq 'tex') { |
|
| $currentstring .= " }"; |
</body> |
| } |
</html> |
| return $currentstring; |
SIMPLECONTENT |
| } |
return $filecontents; |
| #--------------------------------------------------------------------------- <sub> tag |
} |
| sub start_sub { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
sub inserteditinfo { |
| if ($target eq 'web') { |
my ($result,$filecontents)=@_; |
| $currentstring .= $token->[4]; |
$filecontents = &HTML::Entities::encode($filecontents); |
| } elsif ($target eq 'tex') { |
# my $editheader='<a href="#editsection">Edit below</a><hr />'; |
| $currentstring .= "\$_{ "; |
my $xml_help = Apache::loncommon::helpLatexCheatsheet(); |
| } |
my $titledisplay=&display_title(); |
| return $currentstring; |
my $buttons=(<<BUTTONS); |
| } |
<input type="submit" name="attemptclean" |
| sub end_sub { |
value="Save and then attempt to clean HTML" /> |
| my ($target,$token) = @_; |
<input type="submit" name="savethisfile" value="Save this" /> |
| my $currentstring = ''; |
<input type="submit" name="viewmode" value="View" /> |
| if ($target eq 'web') { |
BUTTONS |
| $currentstring .= $token->[2]; |
my $editfooter=(<<ENDFOOTER); |
| } elsif ($target eq 'tex') { |
<hr /> |
| $currentstring .= " }\$"; |
<a name="editsection" /> |
| } |
<form method="post"> |
| return $currentstring; |
$xml_help |
| } |
<input type="hidden" name="editmode" value="Edit" /> |
| #--------------------------------------------------------------------------- <sup> tag |
$buttons<br /> |
| sub start_sup { |
<textarea cols="80" rows="40" name="filecont">$filecontents</textarea> |
| my ($target,$token) = @_; |
<br />$buttons |
| my $currentstring = ''; |
<br /> |
| if ($target eq 'web') { |
</form> |
| $currentstring .= $token->[4]; |
$titledisplay |
| } elsif ($target eq 'tex') { |
ENDFOOTER |
| $currentstring .= "\$^{ "; |
# $result=~s/(\<body[^\>]*\>)/$1$editheader/is; |
| } |
$result=~s/(\<\/body\>)/$editfooter/is; |
| return $currentstring; |
return $result; |
| } |
} |
| sub end_sup { |
|
| my ($target,$token) = @_; |
sub get_target { |
| my $currentstring = ''; |
my $viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'}); |
| if ($target eq 'web') { |
if ( $ENV{'request.state'} eq 'published') { |
| $currentstring .= $token->[2]; |
if ( defined($ENV{'form.grade_target'}) |
| } elsif ($target eq 'tex') { |
&& ($viewgrades == 'F' )) { |
| $currentstring .= " }\$"; |
return ($ENV{'form.grade_target'}); |
| } |
} elsif (defined($ENV{'form.grade_target'})) { |
| return $currentstring; |
if (($ENV{'form.grade_target'} eq 'web') || |
| } |
($ENV{'form.grade_target'} eq 'tex') ) { |
| #---------------------------------------------------------------------------- <hr> tag |
return $ENV{'form.grade_target'} |
| sub start_hr { |
} else { |
| my ($target,$token) = @_; |
return 'web'; |
| my $currentstring = ''; |
} |
| if ($target eq 'web') { |
} else { |
| $currentstring .= $token->[4]; |
return 'web'; |
| } elsif ($target eq 'tex') { |
} |
| $currentstring .= "\\hline "; |
} elsif ($ENV{'request.state'} eq 'construct') { |
| } |
if ( defined($ENV{'form.grade_target'})) { |
| return $currentstring; |
return ($ENV{'form.grade_target'}); |
| } |
} else { |
| #----------------------------------------------------------------------------- <a> tag |
return 'web'; |
| sub start_a { |
} |
| my ($target,$token) = @_; |
} else { |
| my $currentstring = ''; |
return 'web'; |
| if ($target eq 'web') { |
} |
| $currentstring .= $token->[4]; |
} |
| } elsif ($target eq 'tex') { |
|
| |
sub handler { |
| |
my $request=shift; |
| |
|
| |
my $target=&get_target(); |
| |
|
| |
$Apache::lonxml::debug=$ENV{'user.debug'}; |
| |
|
| |
if ($ENV{'browser.mathml'}) { |
| |
$request->content_type('text/xml'); |
| |
} else { |
| |
$request->content_type('text/html'); |
| |
} |
| |
&Apache::loncommon::no_cache($request); |
| |
$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 eq -1) { |
| |
$result=(<<ENDNOTFOUND); |
| |
<html> |
| |
<head> |
| |
<title>File not found</title> |
| |
</head> |
| |
<body bgcolor="#FFFFFF"> |
| |
<b>File not found: $file</b> |
| |
</body> |
| |
</html> |
| |
ENDNOTFOUND |
| |
$filecontents=''; |
| |
if ($ENV{'request.state'} ne 'published') { |
| |
$filecontents=&createnewhtml(); |
| |
$ENV{'form.editmode'}='Edit'; #force edit mode |
| |
} |
| |
} else { |
| |
unless ($ENV{'request.state'} eq 'published') { |
| |
if ($ENV{'form.attemptclean'}) { |
| |
$filecontents=&htmlclean($filecontents,1); |
| } |
} |
| return $currentstring; |
# |
| |
# we are in construction space, see if edit mode forced |
| |
&Apache::loncommon::get_unprocessed_cgi |
| |
($ENV{'QUERY_STRING'},['editmode']); |
| |
} |
| |
if (!$ENV{'form.editmode'} || $ENV{'form.viewmode'}) { |
| |
$result = &Apache::lonxml::xmlparse($request,$target,$filecontents, |
| |
'',%mystyle); |
| } |
} |
| sub end_a { |
} |
| my ($target,$token,$stackref) = @_; |
|
| my $currentstring = ''; |
# |
| if ($target eq 'web') { |
# Edit action? Insert editing commands |
| $currentstring .= $token->[2]; |
# |
| } elsif ($target eq 'tex') { |
unless ($ENV{'request.state'} eq 'published') { |
| my $tempor_var = $stackref->[$#$stackref]; |
if ($ENV{'form.editmode'} && (!($ENV{'form.viewmode'}))) { |
| if (index($tempor_var,'name') != -1 ) { |
my $displayfile=$request->uri; |
| $tempor_var =~ s/name=([^,]*),/$1/g; |
$displayfile=~s/^\/[^\/]*//; |
| $currentstring .= " \\label{$tempor_var}"; |
$result='<html><body bgcolor="#FFFFFF"><h3>'.$displayfile. |
| } elsif (index($tempor_var,'href') != -1 ) { |
'</h3></body></html>'; |
| $tempor_var =~ s/href=([^,]*),/$1/g; |
$result=&inserteditinfo($result,$filecontents); |
| $currentstring .= " \\ref{$tempor_var}"; |
|
| } |
|
| } |
|
| return $currentstring; |
|
| } |
} |
| #---------------------------------------------------------------------------- <li> tag |
} |
| sub start_li { |
|
| my ($target,$token,$stackref) = @_; |
writeallows($request->uri); |
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
$request->print($result); |
| } elsif ($target eq 'tex') { |
|
| my $tempor_var = $stackref->[$#$stackref-1]; |
return OK; |
| if (index($tempor_var,'circle') != -1 ) { |
} |
| $currentstring .= " \\item[o] "; |
|
| } elsif (index($tempor_var,'square') != -1 ) { |
sub display_title { |
| $currentstring .= " \\item[$\Box$] "; |
my $result; |
| } else { |
if ($ENV{'request.state'} eq 'construct') { |
| $currentstring .= " \\item "; |
my $title=&Apache::lonnet::gettitle(); |
| } |
if (!defined($title) || $title eq '') { |
| } |
$title = $ENV{'request.filename'}; |
| return $currentstring; |
$title = substr($title, rindex($title, '/') + 1); |
| } |
|
| sub end_li { |
|
| my ($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 $currentstring; |
|
| } |
|
| #---------------------------------------------------------------------------- <dd> tag |
|
| sub start_dd { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_dd { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| #------------------------------------------------------------------------- <table> tag |
|
| sub start_table { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[4]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\begin{tabular} "; |
|
| } |
|
| return $currentstring; |
|
| } |
|
| sub end_table { |
|
| my ($target,$token) = @_; |
|
| my $currentstring = ''; |
|
| if ($target eq 'web') { |
|
| $currentstring = $token->[2]; |
|
| } elsif ($target eq 'tex') { |
|
| $currentstring = " \\end{tabular}"; |
|
| } |
|
| return $currentstring; |
|
| } |
} |
| |
$result = "<script type='text/javascript'>top.document.title = '$title - LON-CAPA Construction Space';</script>"; |
| |
} |
| |
return $result; |
| |
} |
| |
|
| |
sub debug { |
| |
if ($Apache::lonxml::debug eq 1) { |
| |
$|=1; |
| |
print('<font size="-2"<pre>DEBUG:'.&HTML::Entities::encode($_[0])."</pre></font>\n"); |
| |
} |
| |
} |
| |
|
| |
sub error { |
| |
$errorcount++; |
| |
if (($Apache::lonxml::debug eq 1) || ($ENV{'request.state'} eq 'construct') ) { |
| |
# If printing in construction space, put the error inside <pre></pre> |
| |
print "<b>ERROR:</b>".join("\n",@_)."\n"; |
| |
} else { |
| |
print "<b>An Error occured while processing this resource. The instructor has been notified.</b> <br />"; |
| |
#notify author |
| |
&Apache::lonmsg::author_res_msg($ENV{'request.filename'},join('<br />',@_)); |
| |
#notify course |
| |
if ( $ENV{'request.course.id'} ) { |
| |
my (undef,%users)=&Apache::lonfeedback::decide_receiver(undef,0,1,1,1); |
| |
my $declutter=&Apache::lonnet::declutter($ENV{'request.filename'}); |
| |
foreach (keys %users) { |
| |
my ($user,$domain) = split(/:/, $_); |
| |
&Apache::lonmsg::user_normal_msg($user,$domain, |
| |
"Error [$declutter]",join('<br />',@_)); |
| |
} |
| |
} |
| |
|
| |
#FIXME probably shouldn't have me get everything forever. |
| |
&Apache::lonmsg::user_normal_msg('albertel','msu',"Error in $ENV{'request.filename'}",join('<br />',@_)); |
| |
#&Apache::lonmsg::user_normal_msg('albertel','103',"Error in $ENV{'request.filename'}",$_[0]); |
| |
} |
| |
} |
| |
|
| |
sub warning { |
| |
$warningcount++; |
| |
|
| |
if ($ENV{'form.grade_target'} ne 'tex') { |
| |
if ($ENV{'request.state'} eq 'construct' || $Apache::lonxml::debug) { |
| |
print "<b>W</b>ARNING<b>:</b>".join('<br />',@_)."<br />\n"; |
| |
} |
| |
} |
| |
} |
| |
|
| |
sub get_param { |
| |
my ($param,$parstack,$safeeval,$context,$case_insensitive) = @_; |
| |
if ( ! $context ) { $context = -1; } |
| |
my $args =''; |
| |
if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; } |
| |
if ( ! $args ) { return undef; } |
| |
if ( $case_insensitive ) { |
| |
if ($args =~ s/(my \$)(\Q$param\E)(=\")/$1.lc($2).$3/ei) { |
| |
return &Apache::run::run("{$args;".'return $'.$param.'}', |
| |
$safeeval); #' |
| |
} else { |
| |
return undef; |
| |
} |
| |
} else { |
| |
if ( $args =~ /my \$\Q$param\E=\"/ ) { |
| |
return &Apache::run::run("{$args;".'return $'.$param.'}', |
| |
$safeeval); #' |
| |
} else { |
| |
return undef; |
| |
} |
| |
} |
| |
} |
| |
|
| |
sub get_param_var { |
| |
my ($param,$parstack,$safeeval,$context,$case_insensitive) = @_; |
| |
if ( ! $context ) { $context = -1; } |
| |
my $args =''; |
| |
if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; } |
| |
&Apache::lonxml::debug("Args are $args param is $param"); |
| |
if ($case_insensitive) { |
| |
if (! ($args=~s/(my \$)(\Q$param\E)(=\")/$1.lc($2).$3/ei)) { |
| |
return undef; |
| |
} |
| |
} elsif ( $args !~ /my \$\Q$param\E=\"/ ) { return undef; } |
| |
my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #' |
| |
&Apache::lonxml::debug("first run is $value"); |
| |
if ($value =~ /^[\$\@\%]\w+$/) { |
| |
&Apache::lonxml::debug("doing second"); |
| |
my @result=&Apache::run::run("return $value",$safeeval,1); |
| |
if (!defined($result[0])) { |
| |
return $value |
| |
} else { |
| |
if (wantarray) { return @result; } else { return $result[0]; } |
| |
} |
| |
} else { |
| |
return $value; |
| |
} |
| |
} |
| |
|
| |
sub register_insert { |
| |
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,$helpfile,$helpdesc) = split(/,/, $line); |
| |
if ($tag) { |
| |
$insertlist{"$tagnum.tag"} = $tag; |
| |
$insertlist{"$tagnum.description"} = $descrip; |
| |
$insertlist{"$tagnum.color"} = $color; |
| |
$insertlist{"$tagnum.function"} = $function; |
| |
if (!defined($show)) { $show='yes'; } |
| |
$insertlist{"$tagnum.show"}= $show; |
| |
$insertlist{"$tagnum.helpfile"} = $helpfile; |
| |
$insertlist{"$tagnum.helpdesc"} = $helpdesc; |
| |
$insertlist{"$tag.num"}=$tagnum; |
| |
$tagnum++; |
| |
} |
| |
} |
| |
$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)=@_; |
| |
my $tagnum; |
| |
my $tag=$token->[1]; |
| |
foreach my $namespace (reverse @Apache::lonxml::namespace) { |
| |
my $testtag=$namespace.'::'.$tag; |
| |
$tagnum=$insertlist{"$testtag.num"}; |
| |
if (defined($tagnum)) { last; } |
| |
} |
| |
if (!defined ($tagnum)) { $tagnum=$Apache::lonxml::insertlist{"$tag.num"}; } |
| |
return $insertlist{$tagnum.'.description'}; |
| |
} |
| |
|
| |
# Returns a list containing the help file, and the description |
| |
sub helpinfo { |
| |
my ($token)=@_; |
| |
my $tagnum; |
| |
my $tag=$token->[1]; |
| |
foreach my $namespace (reverse @Apache::lonxml::namespace) { |
| |
my $testtag=$namespace.'::'.$tag; |
| |
$tagnum=$insertlist{"$testtag.num"}; |
| |
if (defined($tagnum)) { last; } |
| |
} |
| |
if (!defined ($tagnum)) { $tagnum=$Apache::lonxml::insertlist{"$tag.num"}; } |
| |
return ($insertlist{$tagnum.'.helpfile'}, $insertlist{$tagnum.'.helpdesc'}); |
| |
} |
| |
|
| |
# ----------------------------------------------------------------- whichuser |
| |
# returns a list of $symb, $courseid, $domain, $name that is correct for |
| |
# calls to lonnet functions for this setup. |
| |
# - looks for form.grade_ parameters |
| |
sub whichuser { |
| |
my ($passedsymb)=@_; |
| |
my ($symb,$courseid,$domain,$name,$publicuser); |
| |
if (defined($ENV{'form.grade_symb'})) { |
| |
my $tmp_courseid=$ENV{'form.grade_courseid'}; |
| |
my $allowed=&Apache::lonnet::allowed('vgr',$tmp_courseid); |
| |
if ($allowed) { |
| |
$symb=$ENV{'form.grade_symb'}; |
| |
$courseid=$ENV{'form.grade_courseid'}; |
| |
$domain=$ENV{'form.grade_domain'}; |
| |
$name=$ENV{'form.grade_username'}; |
| |
} |
| |
} else { |
| |
if (!$passedsymb) { |
| |
$symb=&Apache::lonnet::symbread(); |
| |
} else { |
| |
$symb=$passedsymb; |
| |
} |
| |
$courseid=$ENV{'request.course.id'}; |
| |
$domain=$ENV{'user.domain'}; |
| |
$name=$ENV{'user.name'}; |
| |
if ($name eq 'public' && $domain eq 'public') { |
| |
if (!defined($ENV{'form.username'})) { |
| |
$ENV{'form.username'}.=time.rand(10000000); |
| |
} |
| |
$name.=$ENV{'form.username'}; |
| |
} |
| |
} |
| |
return ($symb,$courseid,$domain,$name,$publicuser); |
| |
} |
| |
|
| 1; |
1; |
| __END__ |
__END__ |
| |
|
| |
|
![[BACK]](/icons/back.gif){kind=icon}
Return to lonxml.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / xml