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version 1.2, 2000/06/23 20:40:06
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version 1.430, 2006/12/11 00:42:47
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| # The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
| # Style Parser Module |
# XML Parser Module |
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
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# Copyright for TtHfunc and TtMfunc by Ian Hutchinson. |
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# TtHfunc and TtMfunc (the "Code") may be compiled and linked into |
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# binary executable programs or libraries distributed by the |
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# Michigan State University (the "Licensee"), but any binaries so |
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# distributed are hereby licensed only for use in the context |
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# of a program or computational system for which the Licensee is the |
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# primary author or distributor, and which performs substantial |
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# additional tasks beyond the translation of (La)TeX into HTML. |
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# The C source of the Code may not be distributed by the Licensee |
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# to any other parties under any circumstances. |
| # |
# |
| # last modified 06/23/00 by Alexander Sakharuk |
|
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|
| package Apache::lonstyleparser; |
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|
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package Apache::lonxml; |
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use vars |
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qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $errorcount $warningcount); |
| use strict; |
use strict; |
| use HTML::TokeParser; |
use HTML::LCParser(); |
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use HTML::TreeBuilder(); |
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use HTML::Entities(); |
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use Safe(); |
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use Safe::Hole(); |
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use Math::Cephes(); |
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use Math::Random(); |
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use Opcode(); |
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use POSIX qw(strftime); |
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use Time::HiRes qw( gettimeofday tv_interval ); |
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use Symbol(); |
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|
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sub register { |
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my ($space,@taglist) = @_; |
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foreach my $temptag (@taglist) { |
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push(@{ $Apache::lonxml::alltags{$temptag} },$space); |
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} |
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} |
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|
| #============================================================= style subroutine |
sub deregister { |
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my ($space,@taglist) = @_; |
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foreach my $temptag (@taglist) { |
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my $tempspace = $Apache::lonxml::alltags{$temptag}[-1]; |
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if ($tempspace eq $space) { |
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pop(@{ $Apache::lonxml::alltags{$temptag} }); |
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} |
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} |
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#&printalltags(); |
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} |
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|
| sub styleparser { |
use Apache::Constants qw(:common); |
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use Apache::lontexconvert(); |
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use Apache::style(); |
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use Apache::run(); |
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use Apache::londefdef(); |
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use Apache::scripttag(); |
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use Apache::languagetags(); |
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use Apache::edit(); |
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use Apache::inputtags(); |
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use Apache::outputtags(); |
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use Apache::lonnet; |
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use Apache::File(); |
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use Apache::loncommon(); |
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use Apache::lonfeedback(); |
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use Apache::lonmsg(); |
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use Apache::loncacc(); |
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use Apache::lonlocal; |
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|
| my ($target,$content_style_string) = @_; |
#================================================== Main subroutine: xmlparse |
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#debugging control, to turn on debugging modify the correct handler |
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$Apache::lonxml::debug=0; |
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|
| #------------------------------------------- target redefinition (if necessary) |
# keeps count of the number of warnings and errors generated in a parse |
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$warningcount=0; |
| my @target_string = ''; |
$errorcount=0; |
| my $element; |
|
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#path to the directory containing the file currently being processed |
| ($element,@target_string) = split ('&&',$target); |
@pwd=(); |
| |
|
| map {$content_style_string =~ s/\<(.*)$_\>/\<$1$element\>/g; } @target_string; |
#these two are used for capturing a subset of the output for later processing, |
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#don't touch them directly use &startredirection and &endredirection |
| $target = $element; |
@outputstack = (); |
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$redirection = 0; |
| #-------------------------------------------- create a table for defined target |
|
| #----------------------------------------- from the information from Style File |
#controls wheter the <import> tag actually does |
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$import = 1; |
| my @value_style = (); |
@extlinks=(); |
| my $current_key = ''; |
|
| my $current_value = ''; |
# meta mode is a bit weird only some output is to be turned off |
| my $stoken; |
#<output> tag turns metamode off (defined in londefdef.pm) |
| my $flag; |
$metamode = 0; |
| my $iele; |
|
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# turns on and of run::evaluate actually derefencing var refs |
| my $pstyle = HTML::TokeParser->new(\$content_style_string); |
$evaluate = 1; |
| |
|
| while ($stoken = $pstyle->get_token) { |
# data structure for eidt mode, determines what tags can go into what other tags |
| #----------------------------------------------------- start for tag definition |
%insertlist=(); |
| if ($stoken->[0] eq 'S' and $stoken->[1] eq 'definetag') { |
|
| #-------------------------------------------------------------- new key in hash |
# stores the list of active tag namespaces |
| $current_key = $stoken->[2]{name}; |
@namespace=(); |
| $flag = 0; |
|
| #-------------------------------------------------------------- metadata output |
# a pointer the the Apache request object |
| if ($target eq 'meta') { |
$Apache::lonxml::request=''; |
| while ($stoken = $pstyle->get_token and $stoken->[1] ne 'definetag') { |
|
| if ($stoken->[0] eq 'S' and $stoken->[1] eq 'meta') { |
# a problem number counter, and check on ether it is used |
| while ($stoken = $pstyle->get_token and $stoken->[1] ne 'meta') { |
$Apache::lonxml::counter=1; |
| $current_value .= $stoken->[1]; |
$Apache::lonxml::counter_changed=0; |
| } |
|
| } |
#internal check on whether to look at style defs |
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$Apache::lonxml::usestyle=1; |
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|
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#locations used to store the parameter string for style substitutions |
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$Apache::lonxml::style_values=''; |
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$Apache::lonxml::style_end_values=''; |
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|
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#array of ssi calls that need to occur after we are done parsing |
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@Apache::lonxml::ssi_info=(); |
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|
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#should we do the postag variable interpolation |
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$Apache::lonxml::post_evaluate=1; |
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|
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#a header message to emit in the case of any generated warning or errors |
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$Apache::lonxml::warnings_error_header=''; |
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|
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# Control whether or not LaTeX symbols should be substituted for their |
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# \ style equivalents...this may be turned off e.g. in an verbatim |
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# environment. |
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|
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$Apache::lonxml::substitute_LaTeX_symbols = 1; # Starts out on. |
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|
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sub enable_LaTeX_substitutions { |
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$Apache::lonxml::substitute_LaTeX_symbols = 1; |
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} |
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sub disable_LaTeX_substitutions { |
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$Apache::lonxml::substitute_LaTeX_symbols = 0; |
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} |
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|
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sub xmlend { |
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my ($target,$parser)=@_; |
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my $mode='xml'; |
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my $status='OPEN'; |
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if ($Apache::lonhomework::parsing_a_problem || |
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$Apache::lonhomework::parsing_a_task ) { |
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$mode='problem'; |
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$status=$Apache::inputtags::status[-1]; |
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} |
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my $discussion; |
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&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
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['LONCAPA_INTERNAL_no_discussion']); |
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if (! exists($env{'form.LONCAPA_INTERNAL_no_discussion'}) || |
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$env{'form.LONCAPA_INTERNAL_no_discussion'} ne 'true') { |
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$discussion=&Apache::lonfeedback::list_discussion($mode,$status); |
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} |
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if ($target eq 'tex') { |
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$discussion.='<tex>\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\end{document}</tex>'; |
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&Apache::lonxml::newparser($parser,\$discussion,''); |
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return ''; |
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} |
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|
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return $discussion; |
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} |
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|
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sub tokeninputfield { |
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my $defhost=$Apache::lonnet::perlvar{'lonHostID'}; |
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$defhost=~tr/a-z/A-Z/; |
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return (<<ENDINPUTFIELD) |
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<script type="text/javascript"> |
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function updatetoken() { |
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var comp=new Array; |
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var barcode=unescape(document.tokeninput.barcode.value); |
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comp=barcode.split('*'); |
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if (typeof(comp[0])!="undefined") { |
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document.tokeninput.codeone.value=comp[0]; |
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} |
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if (typeof(comp[1])!="undefined") { |
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document.tokeninput.codetwo.value=comp[1]; |
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} |
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if (typeof(comp[2])!="undefined") { |
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comp[2]=comp[2].toUpperCase(); |
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document.tokeninput.codethree.value=comp[2]; |
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} |
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document.tokeninput.barcode.value=''; |
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} |
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</script> |
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<form method="post" name="tokeninput"> |
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<table border="2" bgcolor="#FFFFBB"> |
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<tr><th>DocID Checkin</th></tr> |
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<tr><td> |
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<table> |
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<tr> |
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<td>Scan in Barcode</td> |
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<td><input type="text" size="22" name="barcode" |
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onChange="updatetoken()"/></td> |
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</tr> |
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<tr><td><i>or</i> Type in DocID</td> |
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<td> |
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<input type="text" size="5" name="codeone" /> |
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<b><font size="+2">*</font></b> |
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<input type="text" size="5" name="codetwo" /> |
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<b><font size="+2">*</font></b> |
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<input type="text" size="10" name="codethree" value="$defhost" |
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onChange="this.value=this.value.toUpperCase()" /> |
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</td></tr> |
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</table> |
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</td></tr> |
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<tr><td><input type="submit" value="Check in DocID" /></td></tr> |
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</table> |
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</form> |
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ENDINPUTFIELD |
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} |
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|
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sub maketoken { |
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my ($symb,$tuname,$tudom,$tcrsid)=@_; |
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unless ($symb) { |
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$symb=&Apache::lonnet::symbread(); |
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} |
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unless ($tuname) { |
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$tuname=$env{'user.name'}; |
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$tudom=$env{'user.domain'}; |
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$tcrsid=$env{'request.course.id'}; |
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} |
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|
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return &Apache::lonnet::checkout($symb,$tuname,$tudom,$tcrsid); |
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} |
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|
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sub printtokenheader { |
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my ($target,$token,$tsymb,$tcrsid,$tudom,$tuname)=@_; |
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unless ($token) { return ''; } |
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|
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my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser(); |
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unless ($tsymb) { |
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$tsymb=$symb; |
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} |
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unless ($tuname) { |
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$tuname=$name; |
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$tudom=$domain; |
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$tcrsid=$courseid; |
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} |
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|
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my $plainname=&Apache::loncommon::plainname($tuname,$tudom); |
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|
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if ($target eq 'web') { |
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my %idhash=&Apache::lonnet::idrget($tudom,($tuname)); |
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return |
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'<img align="right" src="/cgi-bin/barcode.png?encode='.$token.'" />'. |
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&mt('Checked out for').' '.$plainname. |
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'<br />'.&mt('User').': '.$tuname.' at '.$tudom. |
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'<br />'.&mt('ID').': '.$idhash{$tuname}. |
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'<br />'.&mt('CourseID').': '.$tcrsid. |
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'<br />'.&mt('Course').': '.$env{'course.'.$tcrsid.'.description'}. |
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'<br />'.&mt('DocID').': '.$token. |
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'<br />'.&mt('Time').': '.&Apache::lonlocal::locallocaltime().'<hr />'; |
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} else { |
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return $token; |
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} |
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} |
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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 -- ". |
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join(',',@{ $Apache::lonxml::alltags{$temp} })); |
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} |
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} |
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|
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sub xmlparse { |
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my ($request,$target,$content_file_string,$safeinit,%style_for_target) = @_; |
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|
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&setup_globals($request,$target); |
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&Apache::inputtags::initialize_inputtags(); |
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&Apache::bridgetask::initialize_bridgetask(); |
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&Apache::outputtags::initialize_outputtags(); |
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&Apache::edit::initialize_edit(); |
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&Apache::londefdef::initialize_londefdef(); |
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|
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# |
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# do we have a course style file? |
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# |
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|
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if ($env{'request.course.id'} && $env{'request.state'} ne 'construct') { |
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my $bodytext= |
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$env{'course.'.$env{'request.course.id'}.'.default_xml_style'}; |
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if ($bodytext) { |
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foreach my $file (split(',',$bodytext)) { |
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my $location=&Apache::lonnet::filelocation('',$file); |
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my $styletext=&Apache::lonnet::getfile($location); |
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if ($styletext ne '-1') { |
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%style_for_target = (%style_for_target, |
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&Apache::style::styleparser($target,$styletext)); |
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} |
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} |
| } |
} |
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} elsif ($env{'construct.style'} && ($env{'request.state'} eq 'construct')) { |
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my $location=&Apache::lonnet::filelocation('',$env{'construct.style'}); |
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my $styletext=&Apache::lonnet::getfile($location); |
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if ($styletext ne '-1') { |
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%style_for_target = (%style_for_target, |
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&Apache::style::styleparser($target,$styletext)); |
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} |
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} |
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#&printalltags(); |
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my @pars = (); |
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my $pwd=$env{'request.filename'}; |
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$pwd =~ s:/[^/]*$::; |
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&newparser(\@pars,\$content_file_string,$pwd); |
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|
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my $safeeval = new Safe; |
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my $safehole = new Safe::Hole; |
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&init_safespace($target,$safeeval,$safehole,$safeinit); |
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#-------------------- Redefinition of the target in the case of compound target |
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|
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($target, my @tenta) = split('&&',$target); |
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|
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my @stack = (); |
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my @parstack = (); |
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&initdepth(); |
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&init_alarm(); |
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my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars, |
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$safeeval,\%style_for_target,1); |
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|
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if (@stack) { |
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&warning("At end of file some tags were still left unclosed, ". |
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'<tt><'.join('></tt>, <tt><',reverse(@stack)). |
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'></tt>'); |
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} |
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if ($env{'request.uri'}) { |
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&writeallows($env{'request.uri'}); |
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} |
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&do_registered_ssi(); |
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if ($Apache::lonxml::counter_changed) { &store_counter() } |
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|
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&clean_safespace($safeeval); |
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|
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if ($env{'form.return_only_error_and_warning_counts'}) { |
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return "$errorcount:$warningcount"; |
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} |
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return $finaloutput; |
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} |
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|
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sub latex_special_symbols { |
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my ($string,$where)=@_; |
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# |
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# If e.g. in verbatim mode, then don't substitute. |
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# but return original string. |
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# |
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if (!($Apache::lonxml::substitute_LaTeX_symbols)) { |
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return $string; |
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} |
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if ($where eq 'header') { |
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$string =~ s/\\/\$\\backslash\$/g; # \ -> $\backslash$ per LaTex line by line pg 10. |
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$string =~ s/(\$|%|\{|\})/\\$1/g; |
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$string=&Apache::lonprintout::character_chart($string); |
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# any & or # leftover should be safe to just escape |
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$string=~s/([^\\])\&/$1\\\&/g; |
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$string=~s/([^\\])\#/$1\\\#/g; |
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$string =~ s/_/\\_/g; # _ -> \_ |
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$string =~ s/\^/\\\^{}/g; # ^ -> \^{} |
| } else { |
} else { |
| #--------------------------------------------------------------- outtext output |
$string=~s/\\/\\ensuremath{\\backslash}/g; |
| while ($stoken = $pstyle->get_token and $stoken->[1] ne 'outtext') { |
$string=~s/\\\%|\%/\\\%/g; |
| if ($stoken->[1] eq 'definetag') { |
$string=~s/\\{|{/\\{/g; |
| $flag = 1; |
$string=~s/\\}|}/\\}/g; |
| last; |
$string=~s/\\ensuremath\\{\\backslash\\}/\\ensuremath{\\backslash}/g; |
| } |
$string=~s/\\\$|\$/\\\$/g; |
| } |
$string=~s/\\\_|\_/\\\_/g; |
| if ($flag == 0) { |
$string=~s/([^\\]|^)(\~|\^)/$1\\$2\\strut /g; |
| while ($stoken = $pstyle->get_token and $stoken->[0] ne 'S') { |
$string=~s/(>|<)/\\ensuremath\{$1\}/g; #more or less |
| $current_value .= $stoken->[1]; |
$string=&Apache::lonprintout::character_chart($string); |
| } |
# any & or # leftover should be safe to just escape |
| while ($stoken->[1] ne 'definetag') { |
$string=~s/\\\&|\&/\\\&/g; |
| if ($stoken->[0] eq 'S' and $stoken->[1] eq $target) { |
$string=~s/\\\#|\#/\\\#/g; |
| while ($stoken = $pstyle->get_token) { |
$string=~s/\|/\$\\mid\$/g; |
| if ($stoken->[1] ne $target) { |
#single { or } How to escape? |
| if ($stoken->[0] eq 'S') { |
} |
| my $flagelem = 0; |
return $string; |
| for (my $i=$#value_style-1;$i>0;$i=$i-2) { |
} |
| if ($stoken->[1] eq $value_style[$i]) { |
|
| $flagelem = 1; |
sub inner_xmlparse { |
| $iele = $i+1; |
my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target,$start)=@_; |
| last; |
my $finaloutput = ''; |
| } |
my $result; |
| } |
my $token; |
| if ($flagelem == 0) { |
my $dontpop=0; |
| $current_value .= $stoken->[4]; |
my $startredirection = $Apache::lonxml::redirection; |
| } else { |
while ( $#$pars > -1 ) { |
| $current_value .= $value_style[$iele]; |
while ($token = $$pars['-1']->get_token) { |
| } |
if (($token->[0] eq 'T') || ($token->[0] eq 'C') ) { |
| } |
if ($metamode<1) { |
| if ($stoken->[0] eq 'E') { |
my $text=$token->[1]; |
| my $flagelem = 0; |
if ($token->[0] eq 'C' && $target eq 'tex') { |
| for (my $i=$#value_style-1;$i>0;$i=$i-2) { |
$text = ''; |
| if ('/'.$stoken->[1] eq $value_style[$i]) { |
# $text = '%'.$text."\n"; |
| $flagelem = 1; |
} |
| $iele = $i+1; |
$result.=$text; |
| last; |
} |
| } |
} elsif (($token->[0] eq 'D')) { |
| } |
if ($metamode<1 && $target eq 'web') { |
| if ($flagelem == 0) { |
my $text=$token->[1]; |
| $current_value .= $stoken->[2]; |
$result.=$text; |
| } else { |
} |
| $current_value .= $value_style[$iele]; |
} elsif ($token->[0] eq 'PI') { |
| } |
if ($metamode<1 && $target eq 'web') { |
| } |
$result=$token->[2]; |
| if ($stoken->[0] eq 'T') { |
} |
| $current_value .= $stoken->[1]; |
} elsif ($token->[0] eq 'S') { |
| } |
# add tag to stack |
| } else { |
push (@$stack,$token->[1]); |
| last; |
# add parameters list to another stack |
| |
push (@$parstack,&parstring($token)); |
| |
&increasedepth($token); |
| |
if ($Apache::lonxml::usestyle && |
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exists($$style_for_target{$token->[1]})) { |
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$Apache::lonxml::usestyle=0; |
| |
my $string=$$style_for_target{$token->[1]}. |
| |
'<LONCAPA_INTERNAL_TURN_STYLE_ON />'; |
| |
&Apache::lonxml::newparser($pars,\$string); |
| |
$Apache::lonxml::style_values=$$parstack[-1]; |
| |
$Apache::lonxml::style_end_values=$$parstack[-1]; |
| |
} else { |
| |
$result = &callsub("start_$token->[1]", $target, $token, $stack, |
| |
$parstack, $pars, $safeeval, $style_for_target); |
| |
} |
| |
} elsif ($token->[0] eq 'E') { |
| |
if ($Apache::lonxml::usestyle && |
| |
exists($$style_for_target{'/'."$token->[1]"})) { |
| |
$Apache::lonxml::usestyle=0; |
| |
my $string=$$style_for_target{'/'.$token->[1]}. |
| |
'<LONCAPA_INTERNAL_TURN_STYLE_ON end="'.$token->[1].'" />'; |
| |
&Apache::lonxml::newparser($pars,\$string); |
| |
$Apache::lonxml::style_values=$Apache::lonxml::style_end_values; |
| |
$Apache::lonxml::style_end_values=''; |
| |
$dontpop=1; |
| |
} else { |
| |
#clear out any tags that didn't end |
| |
while ($token->[1] ne $$stack['-1'] && ($#$stack > -1)) { |
| |
my $lasttag=$$stack[-1]; |
| |
if ($token->[1] =~ /^\Q$lasttag\E$/i) { |
| |
&Apache::lonxml::warning('Using tag </'.$token->[1].'> on line '.$token->[3].' as end tag to <'.$$stack[-1].'>'); |
| |
last; |
| |
} else { |
| |
&Apache::lonxml::warning('Found tag </'.$token->[1].'> on line '.$token->[3].' when looking for </'.$$stack[-1].'> in file'); |
| |
&end_tag($stack,$parstack,$token); |
| |
} |
| |
} |
| |
$result = &callsub("end_$token->[1]", $target, $token, $stack, |
| |
$parstack, $pars,$safeeval, $style_for_target); |
| |
} |
| |
} else { |
| |
&Apache::lonxml::error("Unknown token event :$token->[0]:$token->[1]:"); |
| |
} |
| |
#evaluate variable refs in result |
| |
if ($Apache::lonxml::post_evaluate &&$result ne "") { |
| |
my $extras; |
| |
if (!$Apache::lonxml::usestyle) { |
| |
$extras=$Apache::lonxml::style_values; |
| |
} |
| |
if ( $#$parstack > -1 ) { |
| |
$result=&Apache::run::evaluate($result,$safeeval,$extras.$$parstack[-1]); |
| |
} else { |
| |
$result= &Apache::run::evaluate($result,$safeeval,$extras); |
| |
} |
| |
} |
| |
$Apache::lonxml::post_evaluate=1; |
| |
|
| |
if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) { |
| |
#Style file definitions should be correct |
| |
if ($target eq 'tex' && ($Apache::lonxml::usestyle)) { |
| |
$result=&latex_special_symbols($result); |
| |
} |
| |
} |
| |
|
| |
if ($Apache::lonxml::redirection) { |
| |
$Apache::lonxml::outputstack['-1'] .= $result; |
| |
} else { |
| |
$finaloutput.=$result; |
| |
} |
| |
$result = ''; |
| |
|
| |
if ($token->[0] eq 'E' && !$dontpop) { |
| |
&end_tag($stack,$parstack,$token); |
| |
} |
| |
$dontpop=0; |
| |
} |
| |
if ($#$pars > -1) { |
| |
pop @$pars; |
| |
pop @Apache::lonxml::pwd; |
| |
} |
| |
} |
| |
|
| |
# if ($target eq 'meta') { |
| |
# $finaloutput.=&endredirection; |
| |
# } |
| |
|
| |
if ( $start && $target eq 'grade') { &endredirection(); } |
| |
if ( $Apache::lonxml::redirection > $startredirection) { |
| |
while ($Apache::lonxml::redirection > $startredirection) { |
| |
$finaloutput .= &endredirection(); |
| |
} |
| |
} |
| |
if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) { |
| |
$finaloutput=&afterburn($finaloutput); |
| |
} |
| |
return $finaloutput; |
| |
} |
| |
|
| |
## |
| |
## Looks to see if there is a subroutine defined for this tag. If so, call it, |
| |
## otherwise do not call it as we do not know what it is. |
| |
## |
| |
sub callsub { |
| |
my ($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, |
| |
$style); |
| |
} else { |
| |
if ($target eq 'tex') { |
| |
# throw away tag name |
| |
return ''; |
| |
} |
| |
#&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode"); |
| |
if ($metamode <1) { |
| |
if (defined($token->[4]) && ($metamode < 1)) { |
| |
$currentstring = $token->[4]; |
| |
} else { |
| |
$currentstring = $token->[2]; |
| |
} |
| |
} |
| |
} |
| |
# &Apache::lonxml::debug("nodefalt:$nodefault:"); |
| |
if ($currentstring eq '' && $nodefault eq '') { |
| |
if ($target eq 'edit') { |
| |
#&Apache::lonxml::debug("doing default edit for $token->[1]"); |
| |
if ($token->[0] eq 'S') { |
| |
$currentstring = &Apache::edit::tag_start($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 $currentstring; |
| |
} |
| |
|
| |
sub setup_globals { |
| |
my ($request,$target)=@_; |
| |
$Apache::lonxml::request=$request; |
| |
$errorcount=0; |
| |
$warningcount=0; |
| |
$Apache::lonxml::default_homework_loaded=0; |
| |
$Apache::lonxml::usestyle=1; |
| |
&init_counter(); |
| |
@Apache::lonxml::pwd=(); |
| |
@Apache::lonxml::extlinks=(); |
| |
@Apache::lonxml::ssi_info=(); |
| |
$Apache::lonxml::post_evaluate=1; |
| |
$Apache::lonxml::warnings_error_header=''; |
| |
$Apache::lonxml::substitute_LaTeX_symbols = 1; |
| |
if ($target eq 'meta') { |
| |
$Apache::lonxml::redirection = 0; |
| |
$Apache::lonxml::metamode = 1; |
| |
$Apache::lonxml::evaluate = 1; |
| |
$Apache::lonxml::import = 0; |
| |
} elsif ($target eq 'answer') { |
| |
$Apache::lonxml::redirection = 0; |
| |
$Apache::lonxml::metamode = 1; |
| |
$Apache::lonxml::evaluate = 1; |
| |
$Apache::lonxml::import = 1; |
| |
} elsif ($target eq 'grade') { |
| |
&startredirection(); #ended in inner_xmlparse on exit |
| |
$Apache::lonxml::metamode = 0; |
| |
$Apache::lonxml::evaluate = 1; |
| |
$Apache::lonxml::import = 1; |
| |
} elsif ($target eq 'modified') { |
| |
$Apache::lonxml::redirection = 0; |
| |
$Apache::lonxml::metamode = 0; |
| |
$Apache::lonxml::evaluate = 0; |
| |
$Apache::lonxml::import = 0; |
| |
} elsif ($target eq 'edit') { |
| |
$Apache::lonxml::redirection = 0; |
| |
$Apache::lonxml::metamode = 0; |
| |
$Apache::lonxml::evaluate = 0; |
| |
$Apache::lonxml::import = 0; |
| |
} elsif ($target eq 'analyze') { |
| |
$Apache::lonxml::redirection = 0; |
| |
$Apache::lonxml::metamode = 0; |
| |
$Apache::lonxml::evaluate = 1; |
| |
$Apache::lonxml::import = 1; |
| |
} else { |
| |
$Apache::lonxml::redirection = 0; |
| |
$Apache::lonxml::metamode = 0; |
| |
$Apache::lonxml::evaluate = 1; |
| |
$Apache::lonxml::import = 1; |
| |
} |
| |
} |
| |
|
| |
sub init_safespace { |
| |
my ($target,$safeeval,$safehole,$safeinit) = @_; |
| |
$safeeval->deny_only(':dangerous'); |
| |
$safeeval->reval('use Math::Complex;'); |
| |
$safeeval->permit_only(":default"); |
| |
$safeeval->permit("entereval"); |
| |
$safeeval->permit(":base_math"); |
| |
$safeeval->permit("sort"); |
| |
$safeeval->permit("time"); |
| |
$safeeval->deny("rand"); |
| |
$safeeval->deny("srand"); |
| |
$safeeval->deny(":base_io"); |
| |
$safehole->wrap(\&Apache::scripttag::xmlparse,$safeeval,'&xmlparse'); |
| |
$safehole->wrap(\&Apache::outputtags::multipart,$safeeval,'&multipart'); |
| |
$safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT'); |
| |
$safehole->wrap(\&Apache::chemresponse::chem_standard_order,$safeeval, |
| |
'&chem_standard_order'); |
| |
$safehole->wrap(\&Apache::response::check_status,$safeeval,'&check_status'); |
| |
|
| |
$safehole->wrap(\&Math::Cephes::asin,$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'); |
| |
|
| |
$safehole->wrap(\&Math::Cephes::Matrix::mat,$safeeval,'&mat'); |
| |
$safehole->wrap(\&Math::Cephes::Matrix::new,$safeeval, |
| |
'&Math::Cephes::Matrix::new'); |
| |
$safehole->wrap(\&Math::Cephes::Matrix::coef,$safeeval, |
| |
'&Math::Cephes::Matrix::coef'); |
| |
$safehole->wrap(\&Math::Cephes::Matrix::clr,$safeeval, |
| |
'&Math::Cephes::Matrix::clr'); |
| |
$safehole->wrap(\&Math::Cephes::Matrix::add,$safeeval, |
| |
'&Math::Cephes::Matrix::add'); |
| |
$safehole->wrap(\&Math::Cephes::Matrix::sub,$safeeval, |
| |
'&Math::Cephes::Matrix::sub'); |
| |
$safehole->wrap(\&Math::Cephes::Matrix::mul,$safeeval, |
| |
'&Math::Cephes::Matrix::mul'); |
| |
$safehole->wrap(\&Math::Cephes::Matrix::div,$safeeval, |
| |
'&Math::Cephes::Matrix::div'); |
| |
$safehole->wrap(\&Math::Cephes::Matrix::inv,$safeeval, |
| |
'&Math::Cephes::Matrix::inv'); |
| |
$safehole->wrap(\&Math::Cephes::Matrix::transp,$safeeval, |
| |
'&Math::Cephes::Matrix::transp'); |
| |
$safehole->wrap(\&Math::Cephes::Matrix::simq,$safeeval, |
| |
'&Math::Cephes::Matrix::simq'); |
| |
$safehole->wrap(\&Math::Cephes::Matrix::mat_to_vec,$safeeval, |
| |
'&Math::Cephes::Matrix::mat_to_vec'); |
| |
$safehole->wrap(\&Math::Cephes::Matrix::vec_to_mat,$safeeval, |
| |
'&Math::Cephes::Matrix::vec_to_mat'); |
| |
$safehole->wrap(\&Math::Cephes::Matrix::check,$safeeval, |
| |
'&Math::Cephes::Matrix::check'); |
| |
$safehole->wrap(\&Math::Cephes::Matrix::check,$safeeval, |
| |
'&Math::Cephes::Matrix::check'); |
| |
|
| |
# $safehole->wrap(\&Math::Cephes::new_fract,$safeeval,'&new_fract'); |
| |
# $safehole->wrap(\&Math::Cephes::radd,$safeeval,'&radd'); |
| |
# $safehole->wrap(\&Math::Cephes::rsub,$safeeval,'&rsub'); |
| |
# $safehole->wrap(\&Math::Cephes::rmul,$safeeval,'&rmul'); |
| |
# $safehole->wrap(\&Math::Cephes::rdiv,$safeeval,'&rdiv'); |
| |
# $safehole->wrap(\&Math::Cephes::euclid,$safeeval,'&euclid'); |
| |
|
| |
$safehole->wrap(\&Math::Random::random_beta,$safeeval,'&math_random_beta'); |
| |
$safehole->wrap(\&Math::Random::random_chi_square,$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'); |
| |
$safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR'); |
| |
$safehole->wrap(\&Apache::lonxml::debug,$safeeval,'&LONCAPA_INTERNAL_DEBUG'); |
| |
$safehole->wrap(\&Apache::lonnet::logthis,$safeeval,'&LONCAPA_INTERNAL_LOGTHIS'); |
| |
$safehole->wrap(\&Apache::inputtags::finalizeawards,$safeeval,'&LONCAPA_INTERNAL_FINALIZEAWARDS'); |
| |
$safehole->wrap(\&Apache::caparesponse::get_sigrange,$safeeval,'&LONCAPA_INTERNAL_get_sigrange'); |
| |
# use Data::Dumper; |
| |
# $safehole->wrap(\&Data::Dumper::Dumper,$safeeval,'&LONCAPA_INTERNAL_Dumper'); |
| |
#need to inspect this class of ops |
| |
# $safeeval->deny(":base_orig"); |
| |
$safeeval->permit("require"); |
| |
$safeinit .= ';$external::target="'.$target.'";'; |
| |
&Apache::run::run($safeinit,$safeeval); |
| |
&initialize_rndseed($safeeval); |
| |
} |
| |
|
| |
sub clean_safespace { |
| |
my ($safeeval) = @_; |
| |
delete_package_recurse($safeeval->{Root}); |
| |
} |
| |
|
| |
sub delete_package_recurse { |
| |
my ($package) = @_; |
| |
my @subp; |
| |
{ |
| |
no strict 'refs'; |
| |
while (my ($key,$val) = each(%{*{"$package\::"}})) { |
| |
if (!defined($val)) { next; } |
| |
local (*ENTRY) = $val; |
| |
if (defined *ENTRY{HASH} && $key =~ /::$/ && |
| |
$key ne "main::" && $key ne "<none>::") |
| |
{ |
| |
my ($p) = $package ne "main" ? "$package\::" : ""; |
| |
($p .= $key) =~ s/::$//; |
| |
push(@subp,$p); |
| |
} |
| } |
} |
| } |
} |
| } elsif ($stoken->[0] eq 'S' and $stoken->[1] ne $target) { |
foreach my $p (@subp) { |
| my $tempotempo = $stoken->[1]; |
delete_package_recurse($p); |
| while ($stoken = $pstyle->get_token and $stoken->[1] ne $tempotempo) { |
} |
| } |
Symbol::delete_package($package); |
| |
} |
| |
|
| |
sub initialize_rndseed { |
| |
my ($safeeval)=@_; |
| |
my $rndseed; |
| |
my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser(); |
| |
$rndseed=&Apache::lonnet::rndseed($symb,$courseid,$domain,$name); |
| |
my $safeinit = '$external::randomseed="'.$rndseed.'";'; |
| |
&Apache::lonxml::debug("Setting rndseed to $rndseed"); |
| |
&Apache::run::run($safeinit,$safeeval); |
| |
} |
| |
|
| |
sub default_homework_load { |
| |
my ($safeeval)=@_; |
| |
&Apache::lonxml::debug('Loading default_homework'); |
| |
my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/default_homework.lcpm'); |
| |
if ($default eq -1) { |
| |
&Apache::lonxml::error("<b>Unable to find <i>default_homework.lcpm</i></b>"); |
| |
} else { |
| |
&Apache::run::run($default,$safeeval); |
| |
$Apache::lonxml::default_homework_loaded=1; |
| |
} |
| |
} |
| |
|
| |
{ |
| |
my $alarm_depth; |
| |
sub init_alarm { |
| |
alarm(0); |
| |
$alarm_depth=0; |
| |
} |
| |
|
| |
sub start_alarm { |
| |
if ($alarm_depth<1) { |
| |
my $old=alarm($Apache::lonnet::perlvar{'lonScriptTimeout'}); |
| |
if ($old) { |
| |
&Apache::lonxml::error("Cancelled an alarm of $old, this shouldn't occur."); |
| |
} |
| |
} |
| |
$alarm_depth++; |
| |
} |
| |
|
| |
sub end_alarm { |
| |
$alarm_depth--; |
| |
if ($alarm_depth<1) { alarm(0); } |
| |
} |
| |
} |
| |
my $metamode_was; |
| |
sub startredirection { |
| |
if (!$Apache::lonxml::redirection) { |
| |
$metamode_was=$Apache::lonxml::metamode; |
| |
} |
| |
$Apache::lonxml::metamode=0; |
| |
$Apache::lonxml::redirection++; |
| |
push (@Apache::lonxml::outputstack, ''); |
| |
} |
| |
|
| |
sub endredirection { |
| |
if (!$Apache::lonxml::redirection) { |
| |
&Apache::lonxml::error("Endredirection was called before a startredirection, perhaps you have unbalanced tags. Some debugging information:".join ":",caller); |
| |
return ''; |
| |
} |
| |
$Apache::lonxml::redirection--; |
| |
if (!$Apache::lonxml::redirection) { |
| |
$Apache::lonxml::metamode=$metamode_was; |
| |
} |
| |
pop @Apache::lonxml::outputstack; |
| |
} |
| |
|
| |
sub end_tag { |
| |
my ($tagstack,$parstack,$token)=@_; |
| |
pop(@$tagstack); |
| |
pop(@$parstack); |
| |
&decreasedepth($token); |
| |
} |
| |
|
| |
sub initdepth { |
| |
@Apache::lonxml::depthcounter=(); |
| |
$Apache::lonxml::depth=-1; |
| |
$Apache::lonxml::olddepth=-1; |
| |
} |
| |
|
| |
my @timers; |
| |
my $lasttime; |
| |
sub increasedepth { |
| |
my ($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 $time; |
| |
if ($Apache::lonxml::debug eq "1") { |
| |
push(@timers,[&gettimeofday()]); |
| |
$time=&tv_interval($lasttime); |
| |
$lasttime=[&gettimeofday()]; |
| |
} |
| |
my $spacing=' 'x($Apache::lonxml::depth-1); |
| |
my $curdepth=join('_',@Apache::lonxml::depthcounter); |
| |
&Apache::lonxml::debug("s$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1] : $time : \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(&mt("Missing tags, unable to properly run file.")); |
| |
$Apache::lonxml::depth='-1'; |
| |
} |
| |
my ($timer,$time); |
| |
if ($Apache::lonxml::debug eq "1") { |
| |
$timer=pop(@timers); |
| |
$time=&tv_interval($lasttime); |
| |
$lasttime=[&gettimeofday()]; |
| |
} |
| |
my $spacing=' 'x$Apache::lonxml::depth; |
| |
my $curdepth=join('_',@Apache::lonxml::depthcounter); |
| |
&Apache::lonxml::debug("e$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1] : $time : ".&tv_interval($timer)."\n"); |
| |
#print "<br />e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n"; |
| |
} |
| |
|
| |
sub get_id { |
| |
my ($parstack,$safeeval)=@_; |
| |
my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval); |
| |
if ($env{'request.state'} eq 'construct' && $id =~ /(\.|_)/) { |
| |
&error(&mt("IDs are not allowed to contain "<tt>_</tt>" or "<tt>.</tt>"")); |
| |
} |
| |
if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; } |
| |
return $id; |
| |
} |
| |
|
| |
sub get_all_text_unbalanced { |
| |
#there is a copy of this in lonpublisher.pm |
| |
my($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')) { |
| |
if ($token->[0] eq 'T' && $token->[2]) { |
| |
$result.='<![CDATA['.$token->[1].']]>'; |
| |
} else { |
| |
$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/is) { |
| |
($result,my $redo)=$result =~ /(.*)\Q$tag\E(.*)/is; |
| |
#&Apache::lonxml::debug('Got a winner with leftovers ::'.$2); |
| |
#&Apache::lonxml::debug('Result is :'.$1); |
| |
$redo=$tag.$redo; |
| |
&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 ($env{'request.state'} eq 'construct') { |
| |
$Apache::lonxml::counter=1; |
| |
$Apache::lonxml::counter_changed=1; |
| |
} elsif (defined($env{'form.counter'})) { |
| |
$Apache::lonxml::counter=$env{'form.counter'}; |
| |
$Apache::lonxml::counter_changed=0; |
| |
} else { |
| |
$Apache::lonxml::counter=1; |
| |
$Apache::lonxml::counter_changed=1; |
| |
} |
| |
} |
| |
|
| |
sub store_counter { |
| |
&Apache::lonnet::appenv(('form.counter' => $Apache::lonxml::counter)); |
| |
$Apache::lonxml::counter_changed=0; |
| |
return ''; |
| |
} |
| |
|
| |
{ |
| |
my $state; |
| |
sub clear_problem_counter { |
| |
undef($state); |
| |
&Apache::lonnet::delenv('form.counter'); |
| |
&Apache::lonxml::init_counter(); |
| |
&Apache::lonxml::store_counter(); |
| |
} |
| |
|
| |
sub remember_problem_counter { |
| |
&Apache::lonnet::transfer_profile_to_env(undef,undef,1); |
| |
$state = $env{'form.counter'}; |
| |
} |
| |
|
| |
sub restore_problem_counter { |
| |
if (defined($state)) { |
| |
&Apache::lonnet::appenv(('form.counter' => $state)); |
| |
} |
| |
} |
| |
sub get_problem_counter { |
| |
if ($Apache::lonxml::counter_changed) { &store_counter() } |
| |
&Apache::lonnet::transfer_profile_to_env(undef,undef,1); |
| |
return $env{'form.counter'}; |
| |
} |
| |
} |
| |
|
| |
sub get_all_text { |
| |
my($tag,$pars,$style)= @_; |
| |
my $gotfullstack=1; |
| |
if (ref($pars) ne 'ARRAY') { |
| |
$gotfullstack=0; |
| |
$pars=[$pars]; |
| |
} |
| |
if (ref($style) ne 'HASH') { |
| |
$style={}; |
| |
} |
| |
my $depth=0; |
| |
my $token; |
| |
my $result=''; |
| |
if ( $tag =~ m:^/: ) { |
| |
my $tag=substr($tag,1); |
| |
#&Apache::lonxml::debug("have:$tag:"); |
| |
my $top_empty=0; |
| |
while (($depth >=0) && ($#$pars > -1) && (!$top_empty)) { |
| |
while (($depth >=0) && ($token = $$pars[-1]->get_token)) { |
| |
#&Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]:".$#$pars.":".$#Apache::lonxml::pwd); |
| |
if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) { |
| |
if ($token->[2]) { |
| |
$result.='<![CDATA['.$token->[1].']]>'; |
| |
} else { |
| |
$result.=$token->[1]; |
| |
} |
| |
} elsif ($token->[0] eq 'PI') { |
| |
$result.=$token->[2]; |
| |
} elsif ($token->[0] eq 'S') { |
| |
if ($token->[1] =~ /^\Q$tag\E$/i) { $depth++; } |
| |
if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/) { $Apache::lonxml::usestyle=1; } |
| |
if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/) { $Apache::lonxml::usestyle=0; } |
| |
$result.=$token->[4]; |
| |
} elsif ($token->[0] eq 'E') { |
| |
if ( $token->[1] =~ /^\Q$tag\E$/i) { $depth--; } |
| |
#skip sending back the last end tag |
| |
if ($depth == 0 && exists($$style{'/'.$token->[1]}) && $Apache::lonxml::usestyle) { |
| |
my $string= |
| |
'<LONCAPA_INTERNAL_TURN_STYLE_OFF end="yes" />'. |
| |
$$style{'/'.$token->[1]}. |
| |
$token->[2]. |
| |
'<LONCAPA_INTERNAL_TURN_STYLE_ON />'; |
| |
&Apache::lonxml::newparser($pars,\$string); |
| |
#&Apache::lonxml::debug("reParsing $string"); |
| |
next; |
| |
} |
| |
if ($depth > -1) { |
| |
$result.=$token->[2]; |
| |
} else { |
| |
$$pars[-1]->unget_token($token); |
| |
} |
| |
} |
| |
} |
| |
if (($depth >=0) && ($#$pars == 0) ) { $top_empty=1; } |
| |
if (($depth >=0) && ($#$pars > 0) ) { |
| |
pop(@$pars); |
| |
pop(@Apache::lonxml::pwd); |
| |
} |
| |
} |
| |
if ($top_empty && $depth >= 0) { |
| |
#never found the end tag ran out of text, throw error send back blank |
| |
&error('Never found end tag for <'.$tag. |
| |
'> current string <pre>'. |
| |
&HTML::Entities::encode($result,'<>&"'). |
| |
'</pre>'); |
| |
if ($gotfullstack) { |
| |
my $newstring='</'.$tag.'>'.$result; |
| |
&Apache::lonxml::newparser($pars,\$newstring); |
| |
} |
| |
$result=''; |
| |
} |
| |
} else { |
| |
while ($#$pars > -1) { |
| |
while ($token = $$pars[-1]->get_token) { |
| |
#&Apache::lonxml::debug("s token:$token->[0]:$depth:$token->[1]"); |
| |
if (($token->[0] eq 'T')||($token->[0] eq 'C')|| |
| |
($token->[0] eq 'D')) { |
| |
if ($token->[2]) { |
| |
$result.='<![CDATA['.$token->[1].']]>'; |
| |
} else { |
| |
$result.=$token->[1]; |
| |
} |
| |
} elsif ($token->[0] eq 'PI') { |
| |
$result.=$token->[2]; |
| |
} elsif ($token->[0] eq 'S') { |
| |
if ( $token->[1] =~ /^\Q$tag\E$/i) { |
| |
$$pars[-1]->unget_token($token); last; |
| |
} else { |
| |
$result.=$token->[4]; |
| |
} |
| |
if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/) { $Apache::lonxml::usestyle=1; } |
| |
if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/) { $Apache::lonxml::usestyle=0; } |
| |
} elsif ($token->[0] eq 'E') { |
| |
$result.=$token->[2]; |
| |
} |
| |
} |
| |
if (($#$pars > 0) ) { |
| |
pop(@$pars); |
| |
pop(@Apache::lonxml::pwd); |
| |
} else { last; } |
| |
} |
| |
} |
| |
#&Apache::lonxml::debug("Exit:$result:"); |
| |
return $result |
| |
} |
| |
|
| |
sub newparser { |
| |
my ($parser,$contentref,$dir) = @_; |
| |
push (@$parser,HTML::LCParser->new($contentref)); |
| |
$$parser[-1]->xml_mode(1); |
| |
$$parser[-1]->marked_sections(1); |
| |
if ( $dir eq '' ) { |
| |
push (@Apache::lonxml::pwd, $Apache::lonxml::pwd[$#Apache::lonxml::pwd]); |
| |
} else { |
| |
push (@Apache::lonxml::pwd, $dir); |
| |
} |
| |
} |
| |
|
| |
sub parstring { |
| |
my ($token) = @_; |
| |
my (@vars,@values); |
| |
foreach my $attr (@{$token->[3]}) { |
| |
if ($attr!~/\W/) { |
| |
my $val=$token->[2]->{$attr}; |
| |
$val =~ s/([\%\@\\\"\'])/\\$1/g; |
| |
$val =~ s/(\$[^\{a-zA-Z_])/\\$1/g; |
| |
$val =~ s/(\$)$/\\$1/; |
| |
#if ($val =~ m/^[\%\@]/) { $val="\\".$val; } |
| |
push(@vars,"\$$attr"); |
| |
push(@values,"\"$val\""); |
| |
} |
| |
} |
| |
my $var_init = |
| |
(@vars) ? 'my ('.join(',',@vars).') = ('.join(',',@values).');' |
| |
: ''; |
| |
return $var_init; |
| |
} |
| |
|
| |
sub extlink { |
| |
my ($res,$exact)=@_; |
| |
if (!$exact) { |
| |
$res=&Apache::lonnet::hreflocation($Apache::lonxml::pwd[-1],$res); |
| |
} |
| |
push(@Apache::lonxml::extlinks,$res) |
| |
} |
| |
|
| |
sub writeallows { |
| |
unless ($#extlinks>=0) { return; } |
| |
my $thisurl = &Apache::lonnet::clutter(shift); |
| |
if ($env{'httpref.'.$thisurl}) { |
| |
$thisurl=$env{'httpref.'.$thisurl}; |
| |
} |
| |
my $thisdir=$thisurl; |
| |
$thisdir=~s/\/[^\/]+$//; |
| |
my %httpref=(); |
| |
foreach (@extlinks) { |
| |
$httpref{'httpref.'. |
| |
&Apache::lonnet::hreflocation($thisdir,$_)}=$thisurl; |
| |
} |
| |
@extlinks=(); |
| |
&Apache::lonnet::appenv(%httpref); |
| |
} |
| |
|
| |
sub register_ssi { |
| |
my ($url,%form)=@_; |
| |
push (@Apache::lonxml::ssi_info,{'url'=>$url,'form'=>\%form}); |
| |
return ''; |
| |
} |
| |
|
| |
sub do_registered_ssi { |
| |
foreach my $info (@Apache::lonxml::ssi_info) { |
| |
my %form=%{ $info->{'form'}}; |
| |
my $url=$info->{'url'}; |
| |
&Apache::lonnet::ssi($url,%form); |
| |
} |
| |
} |
| |
# |
| |
# Afterburner handles anchors, highlights and links |
| |
# |
| |
sub afterburn { |
| |
my $result=shift; |
| |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
| |
['highlight','anchor','link']); |
| |
if ($env{'form.highlight'}) { |
| |
foreach (split(/\,/,$env{'form.highlight'})) { |
| |
my $anchorname=$_; |
| |
my $matchthis=$anchorname; |
| |
$matchthis=~s/\_+/\\s\+/g; |
| |
$result=~s/(\Q$matchthis\E)/\<font color=\"red\"\>$1\<\/font\>/gs; |
| } |
} |
| |
} |
| |
if ($env{'form.link'}) { |
| |
foreach (split(/\,/,$env{'form.link'})) { |
| |
my ($anchorname,$linkurl)=split(/\>/,$_); |
| |
my $matchthis=$anchorname; |
| |
$matchthis=~s/\_+/\\s\+/g; |
| |
$result=~s/(\Q$matchthis\E)/\<a href=\"$linkurl\"\>$1\<\/a\>/gs; |
| |
} |
| |
} |
| |
if ($env{'form.anchor'}) { |
| |
my $anchorname=$env{'form.anchor'}; |
| |
my $matchthis=$anchorname; |
| |
$matchthis=~s/\_+/\\s\+/g; |
| |
$result=~s/(\Q$matchthis\E)/\<a name=\"$anchorname\"\>$1\<\/a\>/s; |
| |
$result.=(<<"ENDSCRIPT"); |
| |
<script type="text/javascript"> |
| |
document.location.hash='$anchorname'; |
| |
</script> |
| |
ENDSCRIPT |
| |
} |
| |
return $result; |
| |
} |
| |
|
| |
sub storefile { |
| |
my ($file,$contents)=@_; |
| |
&Apache::lonnet::correct_line_ends(\$contents); |
| |
if (my $fh=Apache::File->new('>'.$file)) { |
| |
print $fh $contents; |
| |
$fh->close(); |
| |
return 1; |
| |
} else { |
| |
&warning("Unable to save file $file"); |
| |
return 0; |
| |
} |
| |
} |
| |
|
| |
sub createnewhtml { |
| |
my $title=&mt('Title of document goes here'); |
| |
my $body=&mt('Body of document goes here'); |
| |
my $filecontents=(<<SIMPLECONTENT); |
| |
<html> |
| |
<head> |
| |
<title>$title</title> |
| |
</head> |
| |
<body bgcolor="#FFFFFF"> |
| |
$body |
| |
</body> |
| |
</html> |
| |
SIMPLECONTENT |
| |
return $filecontents; |
| |
} |
| |
|
| |
sub createnewsty { |
| |
my $filecontents=(<<SIMPLECONTENT); |
| |
<definetag name=""> |
| |
<render> |
| |
<web></web> |
| |
<tex></tex> |
| |
</render> |
| |
</definetag> |
| |
SIMPLECONTENT |
| |
return $filecontents; |
| |
} |
| |
|
| |
|
| |
sub inserteditinfo { |
| |
my ($result,$filecontents,$filetype)=@_; |
| |
$filecontents = &HTML::Entities::encode($filecontents,'<>&"'); |
| |
# my $editheader='<a href="#editsection">Edit below</a><hr />'; |
| |
my $xml_help = ''; |
| |
my $initialize=''; |
| |
if ($filetype eq 'html') { |
| |
my $addbuttons=&Apache::lonhtmlcommon::htmlareaaddbuttons(); |
| |
$initialize=&Apache::lonhtmlcommon::spellheader(); |
| |
if (!&Apache::lonhtmlcommon::htmlareablocked() && |
| |
&Apache::lonhtmlcommon::htmlareabrowser()) { |
| |
$initialize.=(<<FULLPAGE); |
| |
<script type="text/javascript"> |
| |
$addbuttons |
| |
|
| |
HTMLArea.loadPlugin("FullPage"); |
| |
|
| |
function initDocument() { |
| |
var editor=new HTMLArea("filecont",config); |
| |
editor.registerPlugin(FullPage); |
| |
editor.generate(); |
| |
} |
| |
</script> |
| |
FULLPAGE |
| |
} else { |
| |
$initialize.=(<<FULLPAGE); |
| |
<script type="text/javascript"> |
| |
$addbuttons |
| |
function initDocument() { |
| |
} |
| |
</script> |
| |
FULLPAGE |
| |
} |
| |
$result=~s/\<body([^\>]*)\>/\<body onload="initDocument()" $1\>/i; |
| |
$xml_help=&Apache::loncommon::helpLatexCheatsheet(); |
| |
} |
| |
my $cleanbut = ''; |
| |
|
| |
my $titledisplay=&display_title(); |
| |
my %lt=&Apache::lonlocal::texthash('st' => 'Save and Edit', |
| |
'vi' => 'Save and View', |
| |
'dv' => 'Discard Edits and View', |
| |
'un' => 'undo', |
| |
'ed' => 'Edit'); |
| |
my $buttons=(<<BUTTONS); |
| |
$cleanbut |
| |
<input type="submit" name="discardview" accesskey="d" value="$lt{'dv'}" /> |
| |
<input type="submit" name="Undo" accesskey="u" value="$lt{'un'}" /><hr> |
| |
<input type="submit" name="savethisfile" accesskey="s" value="$lt{'st'}" /> |
| |
<input type="submit" name="viewmode" accesskey="v" value="$lt{'vi'}" /> |
| |
BUTTONS |
| |
$buttons.=&Apache::lonhtmlcommon::spelllink('xmledit','filecont'); |
| |
my $editfooter=(<<ENDFOOTER); |
| |
$initialize |
| |
<hr /> |
| |
<a name="editsection" /> |
| |
<form method="post" name="xmledit"> |
| |
$xml_help |
| |
<input type="hidden" name="editmode" value="$lt{'ed'}" /> |
| |
$buttons<br /> |
| |
<textarea style="width:100%" cols="80" rows="44" name="filecont" id="filecont">$filecontents</textarea> |
| |
<br />$buttons |
| |
<br /> |
| |
</form> |
| |
$titledisplay |
| |
</body> |
| |
ENDFOOTER |
| |
# $result=~s/(\<body[^\>]*\>)/$1$editheader/is; |
| |
$result=~s/(\<\/body\>)/$editfooter/is; |
| |
return $result; |
| |
} |
| |
|
| |
sub get_target { |
| |
my $viewgrades=&Apache::lonnet::allowed('vgr',$env{'request.course.id'}); |
| |
if ( $env{'request.state'} eq 'published') { |
| |
if ( defined($env{'form.grade_target'}) |
| |
&& ($viewgrades == 'F' )) { |
| |
return ($env{'form.grade_target'}); |
| |
} elsif (defined($env{'form.grade_target'})) { |
| |
if (($env{'form.grade_target'} eq 'web') || |
| |
($env{'form.grade_target'} eq 'tex') ) { |
| |
return $env{'form.grade_target'} |
| |
} else { |
| |
return 'web'; |
| |
} |
| |
} else { |
| |
return 'web'; |
| |
} |
| |
} elsif ($env{'request.state'} eq 'construct') { |
| |
if ( defined($env{'form.grade_target'})) { |
| |
return ($env{'form.grade_target'}); |
| |
} else { |
| |
return 'web'; |
| |
} |
| |
} else { |
| |
return 'web'; |
| |
} |
| |
} |
| |
|
| |
sub handler { |
| |
my $request=shift; |
| |
|
| |
my $target=&get_target(); |
| |
|
| |
$Apache::lonxml::debug=$env{'user.debug'}; |
| |
|
| |
&Apache::loncommon::content_type($request,'text/html'); |
| |
&Apache::loncommon::no_cache($request); |
| |
if ($env{'request.state'} eq 'published') { |
| |
$request->set_last_modified(&Apache::lonnet::metadata($request->uri, |
| |
'lastrevisiondate')); |
| |
} |
| |
$request->send_http_header; |
| |
|
| |
return OK if $request->header_only; |
| |
|
| while ($stoken = $pstyle->get_token) { |
|
| if ($stoken->[0] eq 'T') { |
my $file=&Apache::lonnet::filelocation("",$request->uri); |
| $current_value .= $stoken->[1]; |
my $filetype; |
| } |
if ($file =~ /\.sty$/) { |
| if ($stoken->[0] eq 'E') { |
$filetype='sty'; |
| last; |
} else { |
| } |
$filetype='html'; |
| if ($stoken->[0] eq 'S') { |
} |
| last; |
# |
| |
# Edit action? Save file. |
| |
# |
| |
if (!($env{'request.state'} eq 'published')) { |
| |
if ($env{'form.savethisfile'} || $env{'form.viewmode'} || $env{'form.Undo'}) { |
| |
my $html_file=&Apache::lonnet::getfile($file); |
| |
my $error = &Apache::lonhomework::handle_save_or_undo($request, \$html_file, \$env{'form.filecont'}); |
| |
} |
| |
} |
| |
my %mystyle; |
| |
my $result = ''; |
| |
my $filecontents=&Apache::lonnet::getfile($file); |
| |
if ($filecontents eq -1) { |
| |
my $start_page=&Apache::loncommon::start_page('File Error'); |
| |
my $end_page=&Apache::loncommon::end_page(); |
| |
my $fnf=&mt('File not found'); |
| |
$result=(<<ENDNOTFOUND); |
| |
$start_page |
| |
<b>$fnf: $file</b> |
| |
$end_page |
| |
ENDNOTFOUND |
| |
$filecontents=''; |
| |
if ($env{'request.state'} ne 'published') { |
| |
if ($filetype eq 'sty') { |
| |
$filecontents=&createnewsty(); |
| |
} else { |
| |
$filecontents=&createnewhtml(); |
| |
} |
| |
$env{'form.editmode'}='Edit'; #force edit mode |
| } |
} |
| } |
} else { |
| |
unless ($env{'request.state'} eq 'published') { |
| |
if ($filecontents=~/BEGIN LON-CAPA Internal/) { |
| |
&Apache::lonxml::error(&mt('This file appears to be a rendering of a LON-CAPA resource. If this is correct, this resource will act very oddly and incorrectly.')); |
| |
} |
| |
# |
| |
# we are in construction space, see if edit mode forced |
| |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
| |
['editmode']); |
| |
} |
| |
&Apache::lonnet::logthis("edit mode is ".$env{'form.editmode'}); |
| |
if (!$env{'form.editmode'} || $env{'form.viewmode'} || $env{'form.discardview'}) { |
| |
$result = &Apache::lonxml::xmlparse($request,$target,$filecontents, |
| |
'',%mystyle); |
| |
undef($Apache::lonhomework::parsing_a_task); |
| |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
| |
['rawmode']); |
| |
if ($env{'form.rawmode'}) { $result = $filecontents; } |
| |
} |
| |
} |
| |
|
| } |
# |
| } |
# Edit action? Insert editing commands |
| |
# |
| |
unless ($env{'request.state'} eq 'published') { |
| |
if ($env{'form.editmode'} && (!($env{'form.viewmode'})) && (!($env{'form.discardview'}))) |
| |
{ |
| |
my $displayfile=$request->uri; |
| |
$displayfile=~s/^\/[^\/]*//; |
| |
my %options = (); |
| |
if ($env{'environment.remote'} ne 'off') { |
| |
$options{'bgcolor'} = '#FFFFFF'; |
| |
} |
| |
my $start_page = &Apache::loncommon::start_page(undef,undef, |
| |
\%options); |
| |
$result=$start_page. |
| |
&Apache::lonxml::message_location().'<h3>'. |
| |
$displayfile. |
| |
'</h3>'.&Apache::loncommon::end_page(); |
| |
$result=&inserteditinfo($result,$filecontents,$filetype); |
| |
} |
| } |
} |
| |
if ($filetype eq 'html') { &writeallows($request->uri); } |
| |
|
| |
|
| } |
&Apache::lonxml::add_messages(\$result); |
| $current_value =~ s/(\s)+/$1/g; |
$request->print($result); |
| if ($current_value ne ' ' and $current_value ne '' ) { |
|
| push (@value_style,lc $current_key,$current_value); |
return OK; |
| } |
} |
| $current_key = ''; |
|
| $current_value = ''; |
sub display_title { |
| |
my $result; |
| |
if ($env{'request.state'} eq 'construct') { |
| |
my $title=&Apache::lonnet::gettitle(); |
| |
if (!defined($title) || $title eq '') { |
| |
$title = $env{'request.filename'}; |
| |
$title = substr($title, rindex($title, '/') + 1); |
| |
} |
| |
$result = "<script type='text/javascript'>top.document.title = '$title - LON-CAPA Construction Space';</script>"; |
| |
} |
| |
return $result; |
| |
} |
| |
|
| |
sub debug { |
| |
if ($Apache::lonxml::debug eq "1") { |
| |
$|=1; |
| |
my $request=$Apache::lonxml::request; |
| |
if (!$request) { |
| |
eval { $request=Apache->request; }; |
| |
} |
| |
if (!$request) { |
| |
eval { $request=Apache2::RequestUtil->request; }; |
| |
} |
| |
$request->print('<font size="-2"><pre>DEBUG:'.&HTML::Entities::encode($_[0],'<>&"')."</pre></font>\n"); |
| |
#&Apache::lonnet::logthis($_[0]); |
| |
} |
| |
} |
| |
|
| |
sub show_error_warn_msg { |
| |
if ($env{'request.filename'} eq '/home/httpd/html/res/lib/templates/simpleproblem.problem' && |
| |
&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) { |
| |
return 1; |
| |
} |
| |
return (($Apache::lonxml::debug eq 1) || |
| |
($env{'request.state'} eq 'construct') || |
| |
($Apache::lonhomework::browse eq 'F' |
| |
&& |
| |
$env{'form.show_errors'} eq 'on')); |
| |
} |
| |
|
| |
sub error { |
| |
$errorcount++; |
| |
if ( &show_error_warn_msg() ) { |
| |
# If printing in construction space, put the error inside <pre></pre> |
| |
push(@Apache::lonxml::error_messages, |
| |
$Apache::lonxml::warnings_error_header. |
| |
"<b>ERROR:</b>".join("<br />\n",@_)."<br />\n"); |
| |
$Apache::lonxml::warnings_error_header=''; |
| |
} else { |
| |
my $errormsg; |
| |
my ($symb)=&Apache::lonnet::symbread(); |
| |
if ( !$symb ) { |
| |
#public or browsers |
| |
$errormsg=&mt("An error occured while processing this resource. The author has been notified."); |
| |
} |
| |
my $host=$Apache::lonnet::perlvar{'lonHostID'}; |
| |
my $msg = join('<br />',(@_,"The error occurred on host <tt>$host</tt>")); |
| |
#notify author |
| |
&Apache::lonmsg::author_res_msg($env{'request.filename'},$msg); |
| |
#notify course |
| |
if ( $symb && $env{'request.course.id'} ) { |
| |
my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'}; |
| |
my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'}; |
| |
my (undef,%users)=&Apache::lonfeedback::decide_receiver(undef,0,1,1,1); |
| |
my $declutter=&Apache::lonnet::declutter($env{'request.filename'}); |
| |
my @userlist; |
| |
foreach (keys %users) { |
| |
my ($user,$domain) = split(/:/, $_); |
| |
push(@userlist,"$user\@$domain"); |
| |
my $key=$declutter.'_'.$user.'_'.$domain; |
| |
my %lastnotified=&Apache::lonnet::get('nohist_xmlerrornotifications', |
| |
[$key], |
| |
$cdom,$cnum); |
| |
my $now=time; |
| |
if ($now-$lastnotified{$key}>86400) { |
| |
&Apache::lonmsg::user_normal_msg($user,$domain, |
| |
"Error [$declutter]",$msg); |
| |
&Apache::lonnet::put('nohist_xmlerrornotifications', |
| |
{$key => $now}, |
| |
$cdom,$cnum); |
| |
} |
| |
} |
| |
if ($env{'request.role.adv'}) { |
| |
$errormsg=&mt("An error occured while processing this resource. The course personnel ([_1]) and the author have been notified.",join(', ',@userlist)); |
| |
} else { |
| |
$errormsg=&mt("An error occured while processing this resource. The instructor has been notified."); |
| |
} |
| |
} |
| |
push(@Apache::lonxml::error_messages,"<b>$errormsg</b> <br />"); |
| |
} |
| |
} |
| |
|
| |
sub warning { |
| |
$warningcount++; |
| |
|
| |
if ($env{'form.grade_target'} ne 'tex') { |
| |
if ( &show_error_warn_msg() ) { |
| |
push(@Apache::lonxml::warning_messages, |
| |
$Apache::lonxml::warnings_error_header. |
| |
"<b>W</b>ARNING<b>:</b>".join('<br />',@_)."<br />\n"); |
| |
$Apache::lonxml::warnings_error_header=''; |
| |
} |
| |
} |
| |
} |
| |
|
| |
sub info { |
| |
if ($env{'form.grade_target'} ne 'tex' |
| |
&& $env{'request.state'} eq 'construct') { |
| |
push(@Apache::lonxml::info_messages,join('<br />',@_)."<br />\n"); |
| |
} |
| |
} |
| |
|
| |
sub message_location { |
| |
return '__LONCAPA_INTERNAL_MESSAGE_LOCATION__'; |
| |
} |
| |
|
| } |
sub add_messages { |
| my %style_for_target = @value_style; |
my ($msg)=@_; |
| #--------------------------------------------------------------- check printing |
my $result=join(' ', |
| # while (($current_key,$current_value) = each %style_for_target) { |
@Apache::lonxml::info_messages, |
| # print "$current_key => $current_value\n"; |
@Apache::lonxml::error_messages, |
| # } |
@Apache::lonxml::warning_messages); |
| #---------------------------------------------------------------- return result |
undef(@Apache::lonxml::info_messages); |
| return %style_for_target; |
undef(@Apache::lonxml::error_messages); |
| |
undef(@Apache::lonxml::warning_messages); |
| |
$$msg=~s/__LONCAPA_INTERNAL_MESSAGE_LOCATION__/$result/; |
| |
$$msg=~s/__LONCAPA_INTERNAL_MESSAGE_LOCATION__//g; |
| |
} |
| |
|
| |
sub get_param { |
| |
my ($param,$parstack,$safeeval,$context,$case_insensitive) = @_; |
| |
if ( ! $context ) { $context = -1; } |
| |
my $args =''; |
| |
if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; } |
| |
if ( ! $Apache::lonxml::usestyle ) { |
| |
$args=$Apache::lonxml::style_values.$args; |
| |
} |
| |
if ( ! $args ) { return undef; } |
| |
if ( $case_insensitive ) { |
| |
if ($args =~ s/(my (?:.*))(\$\Q$param\E[,\)])/$1.lc($2)/ei) { |
| |
return &Apache::run::run("{$args;".'return $'.$param.'}', |
| |
$safeeval); #' |
| |
} else { |
| |
return undef; |
| |
} |
| |
} else { |
| |
if ( $args =~ /my .*\$\Q$param\E[,\)]/ ) { |
| |
return &Apache::run::run("{$args;".'return $'.$param.'}', |
| |
$safeeval); #' |
| |
} else { |
| |
return undef; |
| |
} |
| |
} |
| |
} |
| |
|
| |
sub get_param_var { |
| |
my ($param,$parstack,$safeeval,$context,$case_insensitive) = @_; |
| |
if ( ! $context ) { $context = -1; } |
| |
my $args =''; |
| |
if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; } |
| |
if ( ! $Apache::lonxml::usestyle ) { |
| |
$args=$Apache::lonxml::style_values.$args; |
| |
} |
| |
&Apache::lonxml::debug("Args are $args param is $param"); |
| |
if ($case_insensitive) { |
| |
if (! ($args=~s/(my (?:.*))(\$\Q$param\E[,\)])/$1.lc($2)/ei)) { |
| |
return undef; |
| |
} |
| |
} elsif ( $args !~ /my .*\$\Q$param\E[,\)]/ ) { return undef; } |
| |
my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #' |
| |
&Apache::lonxml::debug("first run is $value"); |
| |
if ($value =~ /^[\$\@\%][a-zA-Z_]\w*$/) { |
| |
&Apache::lonxml::debug("doing second"); |
| |
my @result=&Apache::run::run("return $value",$safeeval,1); |
| |
if (!defined($result[0])) { |
| |
return $value |
| |
} else { |
| |
if (wantarray) { return @result; } else { return $result[0]; } |
| |
} |
| |
} else { |
| |
return $value; |
| |
} |
| |
} |
| |
|
| |
sub register_insert { |
| |
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'}); |
| } |
} |
| |
|
| 1; |
1; |
| __END__ |
__END__ |
| |
|
| |
|
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