version 1.1, 2000/07/06 21:07:26
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version 1.160, 2011/12/19 01:49:32
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# <script> definiton |
# <script> definiton |
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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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package Apache::scripttag; |
package Apache::scripttag; |
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use strict; |
use strict; |
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use Apache::lonnet; |
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use Apache::lonlocal; |
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use Apache::style(); |
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#Globals |
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# this used to pass around the standard callsub arguments to a tag func |
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# so xmlparse can reenter the inner_xmlparse loop. |
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@Apache::scripttag::parser_env = (); |
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BEGIN { |
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&Apache::lonxml::register('Apache::scripttag', |
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('script','scriptlib','parserlib','import', |
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'window','display','storetc','physnet', |
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'standalone','comment','num','parse','algebra', |
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'LONCAPA_INTERNAL_TURN_STYLE_ON', |
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'LONCAPA_INTERNAL_TURN_STYLE_OFF')); |
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} |
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sub start_LONCAPA_INTERNAL_TURN_STYLE_ON { |
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$Apache::lonxml::usestyle=1; |
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$Apache::lonxml::style_values=''; |
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return ('','no'); |
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} |
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sub end_LONCAPA_INTERNAL_TURN_STYLE_ON { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; |
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my $end=&Apache::lonxml::get_param('end',$parstack,$safeeval); |
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if (defined($end)) { |
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&Apache::lonxml::end_tag($tagstack,$parstack,$token); |
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} |
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return ('','no'); |
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} |
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sub start_LONCAPA_INTERNAL_TURN_STYLE_OFF { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; |
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$Apache::lonxml::usestyle=0; |
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my $end=&Apache::lonxml::get_param('end',$parstack,$safeeval); |
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if (!$end) { |
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$Apache::lonxml::style_values=$$parstack[-1]; |
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$Apache::lonxml::style_end_values=$$parstack[-1]; |
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} else { |
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$Apache::lonxml::style_values=$Apache::lonxml::style_end_values; |
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$Apache::lonxml::style_end_values=''; |
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} |
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return ('','no'); |
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} |
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sub BEGIN { |
sub end_LONCAPA_INTERNAL_TURN_STYLE_OFF { |
&Apache::lonxml::register('Apache::scripttag',('script')); |
return ('','no'); |
} |
} |
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sub start_script { |
sub start_script { |
my ($target,$token,@parstack)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; |
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@Apache::scripttag::parser_env = @_; |
#static mapping of params into variables |
my $result=''; |
# map {$partstring =~ s/\$$_/$token->[2]->{$_}/g; } @{$token->[3]}; |
my $type= &Apache::lonxml::get_param('type',$parstack,$safeeval); |
# print "want to use run\n"; |
&Apache::lonxml::debug("found type of $type"); |
my $decl=''; |
if ($type eq "loncapa/perl") { |
map {$decl .="my \$".$_.'='.$token->[2]->{$_}} @{$token->[3]}; |
if ( $target eq "modified" ) { |
print "declares $decl\n"; |
$result=$token->[4].&Apache::edit::modifiedfield('/script',$parser); |
print "2:\n$token->[2]\n"; |
} elsif ( $target eq 'web' || $target eq 'tex' || |
print "3:\n$token->[3]\n"; |
$target eq 'grade' || $target eq 'webgrade' || |
# &Apache::run::run($partstring,$safeeval); |
$target eq 'answer' || $target eq 'analyze' ) { |
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my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser); |
# $partstring = ''; |
if (!$Apache::lonxml::default_homework_loaded) { |
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&Apache::lonxml::default_homework_load($safeeval); |
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} |
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&Apache::run::run($bodytext,$safeeval); |
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if (($target eq 'answer') && |
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($env{'form.answer_output_mode'} ne 'tex') && |
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($Apache::lonhomework::viewgrades == 'F')) { |
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$Apache::lonxml::evaluate--; |
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my (undef,undef,$udom,$uname)=&Apache::lonnet::whichuser(); |
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$uname =~s/\W//g; |
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$udom =~s/\W//g; |
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my $function_name = |
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join('_','LONCAPA_scriptvars',$uname,$udom, |
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$env{'form.counter'},$Apache::lonxml::curdepth); |
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&Apache::lonxml::add_script_result( |
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&Apache::loncommon::modal_adhoc_window($function_name,500,500, |
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'<pre>'.&Apache::run::dump($target,$safeeval).'</pre>', |
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&mt('Script Vars'))."<br />"); |
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} |
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} elsif ($target eq "edit" ) { |
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#&Apache::run::run($bodytext,$safeeval); |
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#$result="<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />"; |
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my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser); |
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$result=&Apache::edit::tag_start($target,$token,'Script'); |
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$result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4); |
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} elsif ($target eq 'meta') { |
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my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser); |
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} |
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} else { |
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my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/script",$parser); |
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if ($target ne "meta" && $target ne 'tex' && $target ne 'answer') { |
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$result = $token->[4]; |
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$result.=$bodytext; |
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} |
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} |
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return $result; |
} |
} |
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sub end_script { |
sub end_script { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; |
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if ( $target eq "meta" ) { return ''; } |
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my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval); |
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my $result=''; |
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#other script blocks need to survive |
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if ($type ne "loncapa/perl" && $target ne 'tex') { |
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return $token->[2]; |
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} elsif ($target eq 'edit' ) { |
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return &Apache::edit::end_table(); |
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} elsif ($target eq 'answer') { |
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$Apache::lonxml::evaluate++; |
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} |
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return ''; |
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} |
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sub start_display { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; |
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@Apache::scripttag::parser_env = @_; |
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my $result; |
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if ( $target eq "modified" ) { |
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$result=$token->[4].&Apache::edit::modifiedfield("/display",$parser); |
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} elsif ( $target eq 'web' || $target eq 'tex' || |
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$target eq 'grade' || $target eq 'webgrade' || |
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$target eq 'answer' || $target eq 'analyze') { |
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my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser); |
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if (!$Apache::lonxml::default_homework_loaded) { |
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&Apache::lonxml::default_homework_load($safeeval); |
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} |
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$result=&Apache::run::run($bodytext,$safeeval); |
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if ($target eq 'grade' || $target eq 'answer' || |
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$target eq 'analyze') { |
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# grade/answer/analyxe should produce no output but if we |
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# are redirecting, the redirecter should know what to do |
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# with the output |
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if (!$Apache::lonxml::redirection) { $result=''; } |
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} |
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$Apache::lonxml::post_evaluate=0; |
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} elsif ($target eq "edit" ) { |
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my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser); |
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#$result = |
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# "<br /> <$token->[1]> output: <br />$bodytext<br />Source:<br />"; |
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#$result.=&Apache::edit::editfield($token->[1],$bodytext,'',40,1); |
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$result=&Apache::edit::tag_start($target,$token,'Script With Display'); |
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$result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,1) |
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} elsif ($target eq 'meta') { |
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my $bodytext=&Apache::lonxml::get_all_text_unbalanced("/display",$parser); |
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} |
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return $result; |
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} |
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sub end_display { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; |
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if ($target eq 'edit' ) { return &Apache::edit::end_table(); } |
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return ''; |
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} |
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sub start_scriptlib { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $bodytext; |
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my $result =''; |
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my $error=''; |
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if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' || |
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$target eq 'meta' || $target eq 'edit' || $target eq 'answer' || |
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$target eq 'analyze' || $target eq 'webgrade') { |
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$bodytext=$$parser[$#$parser]->get_text("/scriptlib"); |
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$bodytext=&Apache::run::evaluate($bodytext,$safeeval, |
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$$parstack[$#$parstack]); |
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my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'], |
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$bodytext); |
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my $script=&Apache::lonnet::getfile($location); |
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if ($script == -1) { |
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if ($target eq 'edit') { |
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$error='</tr><tr><td>'.&mt('Errors').'</td><td colspan="2"><b>'.&mt(' Unable to find [_1]','<span class="LC_filename">'.$location.'</span>').'</b></td>'."\n"; |
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} else { |
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&Apache::lonxml::error("<b> Unable to find <i>$location</i> for scriptlib</b>"); |
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return ""; |
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} |
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} |
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&Apache::run::run($script,$safeeval); |
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#&Apache::lonxml::debug("ran $bodytext:<br />".&Apache::lonnet::getfile($bodytext)."<br />"); |
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} |
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if ($target eq "edit" ) { |
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$result= |
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&Apache::edit::tag_start($target,$token,'New Script Functions'). |
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&Apache::edit::editline($token->[1],$bodytext,'scriptlib',40). |
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&Apache::edit::browse(undef,'textnode'). |
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$error.'</td></tr>'. |
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&Apache::edit::end_table(); |
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} |
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if ($target eq "modified" ) { |
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$result=$token->[4].&Apache::edit::modifiedfield("/scriptlib",$parser); |
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} |
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return $result; |
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} |
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sub end_scriptlib { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my @result; |
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if ($target eq "edit" ) { $result[1]='no'; } |
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return @result; |
} |
} |
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sub start_parserlib { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $bodytext; |
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my $result =""; |
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my $error=''; |
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if ($target eq 'web' || $target eq 'tex' || $target eq 'grade' || |
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$target eq 'meta' || $target eq 'edit' || $target eq 'answer' || |
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$target eq 'analyze' || $target eq 'webgrade') { |
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$bodytext=$$parser[$#$parser]->get_text("/parserlib"); |
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$bodytext=&Apache::run::evaluate($bodytext,$safeeval, |
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$$parstack[$#$parstack]); |
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my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'], |
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$bodytext); |
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my $styletext=&Apache::lonnet::getfile($location); |
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#&Apache::lonxml::debug("found :$bodytext: in :$location: with :$styletext:"); |
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if ($styletext == -1) { |
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if ($target eq 'edit') { |
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$error='</tr><tr><td>Errors</td><td colspan="2"><b> Unable to find <i>'.$location.'</i></b></td>'."\n"; |
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} else { |
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&Apache::lonxml::error("<b> Unable to find <i>$location</i> for parserlib</b>"); |
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return ""; |
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} |
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} |
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%$style = ( %$style , &Apache::style::styleparser($target,$styletext)); |
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} |
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if ($target eq "edit" ) { |
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$result= |
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&Apache::edit::tag_start($target,$token,'New Tag Definitions'). |
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&Apache::edit::editline($token->[1],$bodytext,'',40). |
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$error.'</td></tr>'. |
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&Apache::edit::end_table(); |
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} |
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if ($target eq "modified" ) { |
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$result=$token->[4].&Apache::edit::modifiedfield("/parserlib",$parser); |
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} |
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return $result; |
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} |
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sub end_parserlib { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my @result; |
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if ($target eq "edit" ) { $result[1]='no'; } |
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return @result; |
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} |
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sub start_window { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result = ''; |
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if ($target eq 'web' || $target eq 'webgrade') { |
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&Apache::lonxml::startredirection; |
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} elsif ($target eq 'tex') { |
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$result = '\unskip\footnote{'; |
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} elsif ($target eq 'edit') { |
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$result.=&Apache::edit::tag_start($target,$token); |
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$result.=&Apache::edit::text_arg('Text of Link:','linktext',$token,70); |
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$result.=&Apache::edit::text_arg('Height:','height',$token,5); |
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$result.=&Apache::edit::text_arg('Width:','width',$token,5); |
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$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); |
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} elsif ($target eq 'modified') { |
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my $constructtag=&Apache::edit::get_new_args($token,$parstack, |
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$safeeval,'linktext', |
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'width','height', |
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'mimetype'); |
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if ($constructtag) { $result=&Apache::edit::rebuild_tag($token); } |
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} |
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return $result; |
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} |
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sub end_window { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result; |
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if ($target eq 'web' || $target eq 'webgrade') { |
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my $output=&Apache::lonxml::endredirection; |
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my $linktext= &Apache::lonxml::get_param('linktext',$parstack,$safeeval); |
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if (!$linktext) { $linktext='<sup>*</sup>'; } |
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my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval); |
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if (!$width) { $width='500'; } |
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my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval); |
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if (!$height) { $height='200'; } |
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my ($start_page,$end_page); |
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$result=&Apache::loncommon::modal_adhoc_window |
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("LONCAPA_newwindow_$Apache::lonxml::curdepth",$width,$height,$output,$linktext); |
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} elsif ($target eq 'tex') { |
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$result = '}'; |
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} else { |
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$result = ''; |
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} |
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return $result; |
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} |
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sub start_import { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $bodytext=$$parser[$#$parser]->get_text("/import"); |
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my $result =""; |
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$bodytext=&Apache::run::evaluate($bodytext,$safeeval,$$parstack[$#$parstack]); |
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if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade' |
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|| $target eq 'answer' || $target eq 'tex' || $target eq 'analyze' ) { |
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# FIXME this probably needs to be smart about construction vs. |
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# non construction space. |
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my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext); |
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my $file=&Apache::lonnet::getfile($location); |
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if ($file == -1) { |
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&Apache::lonxml::error("<b> Unable to find <i>$bodytext as $location</i> for import</b>"); |
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return ""; |
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} |
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my $importmode=&Apache::lonxml::get_param('importmode',$parstack,$safeeval); |
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if (($importmode eq 'problem') || ($importmode eq 'part')) { |
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# We are using import to import published problems |
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if (($importmode eq 'problem') || ($file=~/<part[^<]*>/s)) { |
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# We explicitly don't want this to be a separate part or the problem already has parts |
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$file=~s/^\s*<problem>/<library>/s; |
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$file=~s/<\/problem>\s*$/<\/library>/s; |
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} else { |
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# We want this to be a separate part, but it currently is not |
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$file=~s/^\s*<problem>/<library><part>/s; |
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$file=~s/<\/problem>\s*$/<\/part><\/library>/s; |
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} |
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} |
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my $dir=$location; |
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$dir=~s:/[^/]*$::; |
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# &Apache::lonxml::debug("directory $dir $location file $file \n<b>END</b>\n"); |
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my $id= &Apache::lonxml::get_id($parstack,$safeeval); |
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if (!$id) { $id=$Apache::lonxml::curdepth; } |
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push(@Apache::inputtags::import,$id); |
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push(@Apache::inputtags::importlist,$id); |
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&Apache::lonxml::newparser($parser,\$file,$dir); |
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|
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} elsif ($target eq "edit" ) { |
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$result.=&Apache::edit::tag_start($target,$token); |
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my $location=$token->[1]; |
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$location=~s/^\s*//s; |
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$location=~s/\s*$//s; |
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$result.=&Apache::edit::editline($location,$bodytext,'',40); |
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$result.=&Apache::edit::browse(undef,'textnode'); |
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$result.= ' <label>'.&mt('Import as:'). |
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'<select name="importmode_'.$Apache::lonxml::curdepth.'">'; |
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my %options=&Apache::lonlocal::texthash('' => 'as standard library', |
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'problem' => 'as problem', |
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'part' => 'as problem part(s)'); |
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foreach my $option (sort(keys(%options))) { |
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$result.='<option value="'.$option.'"'; |
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if ($option eq &Apache::lonxml::get_param('importmode',$parstack,$safeeval)) { |
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$result.=' selected="selected"'; |
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} |
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$result.='>'.$options{$option}.'</option>'; |
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} |
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$result.='</select></label>'; |
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#FIXME this need to convert $bodytext to be a contruction space reference |
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#my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext); |
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#$result.="Click<a href=\"$location\">here</a> to edit<br />" |
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} elsif ($target eq 'modified') { |
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&Apache::edit::get_new_args($token,$parstack,$safeeval,'importmode'); |
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$result='<import id="'.$token->[2]{'id'}.'" importmode="'.$token->[2]{'importmode'}.'">'; |
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$result.=&Apache::edit::modifiedfield("/import",$parser); |
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} elsif ($target eq 'meta') { |
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my $id= &Apache::lonxml::get_id($parstack,$safeeval); |
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$result.='<import part="'.$Apache::inputtags::part; |
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if ($id) { |
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$result.='" id="'.$id; |
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} |
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$result.='" importmode="'.$token->[2]{'importmode'}.'">'; |
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$result.=$bodytext; |
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$result.='</import>'; |
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} |
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return $result; |
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} |
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sub end_import { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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pop(@Apache::inputtags::import); |
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my $result; |
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if ($target eq 'edit' ) { $result=&Apache::edit::end_row. |
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&Apache::edit::end_table(); } |
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return $result; |
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} |
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|
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sub start_storetc { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result = ''; |
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&Apache::lonxml::startredirection; |
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return $result; |
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} |
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sub end_storetc { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result; |
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my $output=&Apache::lonxml::endredirection; |
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$output =~ s/\"/\"\;/g; |
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$result = '{\bf '.$output.'.}}\write\tcfile{\protect\tcpc{ '.$output.'.}{\the\value{relpage}}}'; |
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return $result; |
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} |
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sub start_physnet { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $bodytext = '/adm/includes/physnet.sty'; |
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my $location=&Apache::lonnet::filelocation($Apache::lonxml::pwd['-1'],$bodytext); |
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my $cbistyletext=&Apache::lonnet::getfile($location); |
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|
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%$style = (%$style,&Apache::style::styleparser($target,$cbistyletext)); |
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$$parser['-1']->unget_token($token); |
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# if ( defined($$style{'physnet'}) ) { |
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# &Apache::lonxml::newparser($parser,\$$style{'physnet'}); |
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# } |
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return ""; |
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} |
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|
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sub end_physnet { |
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return ''; |
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} |
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|
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sub start_standalone { |
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my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $result=''; |
|
if ($target eq 'web' || $target eq 'webgrade') { |
|
if ( $env{'request.course.id'} ) { |
|
my $inside = &Apache::lonxml::get_all_text("/standalone",$parser,$style); |
|
} else { |
|
$result='<table bgcolor="#E1E1E1" border="2"><tr><td>'; |
|
} |
|
} |
|
return $result; |
|
} |
|
|
|
sub end_standalone { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result=''; |
|
if ($target eq 'web' || $target eq 'webgrade' ) { |
|
if ( $env{'request.course.id'} ) { |
|
} else { |
|
$result='</td></tr></table>'; |
|
} |
|
} |
|
return $result; |
|
} |
|
|
|
sub start_comment { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
|
my $result=''; |
|
if ($target eq 'edit') { |
|
$result=&Apache::edit::tag_start($target,$token); |
|
my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser,$style); |
|
$result.=&Apache::edit::editfield($token->[1],$bodytext,'',80,4) |
|
} elsif ( $target eq 'modified') { |
|
$result=$token->[4].&Apache::edit::modifiedfield("/comment",$parser); |
|
} elsif ( $target eq 'web' || $target eq 'tex' || $target eq 'grade' || |
|
$target eq 'answer' || $target eq 'meta' || $target eq 'analyze' || |
|
$target eq 'webgrade') { |
|
#normally throw away comments |
|
my $bodytext=&Apache::lonxml::get_all_text("/comment",$parser,$style); |
|
} |
|
return $result; |
|
} |
|
|
|
sub end_comment { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; |
|
if ($target eq 'edit' ) { return &Apache::edit::end_table(); } |
|
return ''; |
|
} |
|
|
|
|
|
sub xmlparse { |
|
my ($string) = @_; |
|
&Apache::lonxml::debug("xmlparse recursion starting with $string"); |
|
# Apache::run::evaluate does an 'eval' on the name of the subroutine |
|
# if it detects something that looks like a subroutine, this ends up calling |
|
# things without any arguments and since perl is nice enough to pass |
|
# along the default arguments when you don't explicitly say no arguments |
|
# if you call &xmlparse, it gets &xmlparse passed as it argument. |
|
# Same thing soccurs with &chemparse. |
|
if ($string eq '&xmlparse') { return '&xmlparse'; } |
|
if ($string eq '&chemparse') { return '&chemparse'; } |
|
my ($target,$token,$tagstack,$parstack,$oldparser,$safeeval,$style)= |
|
@Apache::scripttag::parser_env; |
|
my @parser; |
|
&Apache::lonxml::newparser(\@parser,\$string); |
|
&Apache::lonxml::startredirection(); |
|
my $result=&Apache::lonxml::inner_xmlparse($target,$tagstack, |
|
$parstack,\@parser, |
|
$safeeval,$style); |
|
$result.=&Apache::lonxml::endredirection(); |
|
&Apache::lonxml::debug("target is $target xmlparse recursion ending with $result"); |
|
return $result; |
|
} |
|
|
|
sub start_num { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
|
my $result = ''; |
|
my $inside = &Apache::lonxml::get_all_text_unbalanced("/num",$parser); |
|
if ($target eq 'tex' || $target eq 'web' || $target eq 'webgrade') { |
|
$inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); |
|
if (!$Apache::lonxml::default_homework_loaded) { |
|
&Apache::lonxml::default_homework_load($safeeval); |
|
} |
|
@Apache::scripttag::parser_env = @_; |
|
my $format=&Apache::lonxml::get_param('format',$parstack,$safeeval); |
|
$result=&Apache::run::run("return &prettyprint(q\0$inside\0,q\0$format\0);",$safeeval); |
|
} |
|
return $result; |
|
} |
|
|
|
sub end_num { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
|
my $result = ''; |
|
return $result; |
|
} |
|
|
|
sub start_parse { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
|
my $result = ''; |
|
if ( $target eq 'web' || $target eq 'tex' || |
|
$target eq 'grade' || $target eq 'answer' || |
|
$target eq 'analyze'|| $target eq 'webgrade') { |
|
my $inside = &Apache::lonxml::get_all_text_unbalanced("/parse",$parser); |
|
$inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); |
|
if (!$Apache::lonxml::default_homework_loaded) { |
|
&Apache::lonxml::default_homework_load($safeeval); |
|
} |
|
@Apache::scripttag::parser_env = @_; |
|
$result=&Apache::run::run("return &xmlparse(q\0$inside\0);",$safeeval); |
|
if ($target eq 'grade' || $target eq 'answer' || |
|
$target eq 'analyze') { |
|
# grade/answer/analyxe should produce no output but if we |
|
# are redirecting, the redirecter should know what to do |
|
# with the output |
|
if (!$Apache::lonxml::redirection) { $result=''; } |
|
} |
|
} |
|
return $result; |
|
} |
|
|
|
sub end_parse { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
|
my $result = ''; |
|
return $result; |
|
} |
|
|
|
sub start_algebra { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
|
my $result = ''; |
|
if ( $target eq 'web' || $target eq 'tex' || |
|
$target eq 'grade' || $target eq 'answer' || |
|
$target eq 'analyze' || $target eq 'webgrade') { |
|
my $inside = &Apache::lonxml::get_all_text_unbalanced("/algebra",$parser); |
|
$inside = &Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); |
|
if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { |
|
my $style=&Apache::lonxml::get_param('style',$parstack,$safeeval); |
|
$result=&Apache::lontexconvert::algebra($inside,$target,$style,$parstack,$safeeval); |
|
} |
|
$Apache::lonxml::post_evaluate=0; |
|
} |
|
return $result; |
|
} |
|
|
|
sub end_algebra { |
|
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; |
|
my $result = ''; |
|
return $result; |
|
} |
|
|
1; |
1; |
__END__ |
__END__ |
|
|
|
=pod |
|
|
|
=head1 NAME |
|
|
|
Apache::scripttag.pm |
|
|
|
=head1 SYNOPSIS |
|
|
|
implements <script>, <scriptlib>, <parserlib>, |
|
and <import> |
|
|
|
This is part of the LearningOnline Network with CAPA project |
|
described at http://www.lon-capa.org. |
|
|
|
=cut |
|
|