--- loncom/xml/lonxml.pm 2003/05/28 21:05:33 1.258
+++ loncom/xml/lonxml.pm 2007/08/03 23:29:54 1.449
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# XML Parser Module
#
-# $Id: lonxml.pm,v 1.258 2003/05/28 21:05:33 albertel Exp $
+# $Id: lonxml.pm,v 1.449 2007/08/03 23:29:54 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -36,31 +36,13 @@
# The C source of the Code may not be distributed by the Licensee
# to any other parties under any circumstances.
#
-# last modified 06/26/00 by Alexander Sakharuk
-# 11/6 Gerd Kortemeyer
-# 6/1/1 Gerd Kortemeyer
-# 2/21,3/13 Guy
-# 3/29,5/4 Gerd Kortemeyer
-# 5/26 Gerd Kortemeyer
-# 5/27 H. K. Ng
-# 6/2,6/3,6/8,6/9 Gerd Kortemeyer
-# 6/12,6/13 H. K. Ng
-# 6/16 Gerd Kortemeyer
-# 7/27 H. K. Ng
-# 8/7,8/9,8/10,8/11,8/15,8/16,8/17,8/18,8/20,8/23,8/24 Gerd Kortemeyer
-# Guy Albertelli
-# 9/26 Gerd Kortemeyer
-# Dec Guy Albertelli
-# YEAR=2002
-# 1/1 Gerd Kortemeyer
-# 1/2 Matthew Hall
-# 1/3 Gerd Kortemeyer
-#
+
package Apache::lonxml;
use vars
-qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $prevent_entity_encode $errorcount $warningcount);
+qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $errorcount $warningcount);
use strict;
+use LONCAPA;
use HTML::LCParser();
use HTML::TreeBuilder();
use HTML::Entities();
@@ -69,6 +51,9 @@ use Safe::Hole();
use Math::Cephes();
use Math::Random();
use Opcode();
+use POSIX qw(strftime);
+use Time::HiRes qw( gettimeofday tv_interval );
+use Symbol();
sub register {
my ($space,@taglist) = @_;
@@ -94,13 +79,18 @@ use Apache::style();
use Apache::run();
use Apache::londefdef();
use Apache::scripttag();
+use Apache::languagetags();
use Apache::edit();
-use Apache::lonnet();
+use Apache::inputtags();
+use Apache::outputtags();
+use Apache::lonnet;
use Apache::File();
use Apache::loncommon();
use Apache::lonfeedback();
use Apache::lonmsg();
use Apache::loncacc();
+use Apache::lonmaxima();
+use Apache::lonlocal;
#================================================== Main subroutine: xmlparse
#debugging control, to turn on debugging modify the correct handler
@@ -135,11 +125,8 @@ $evaluate = 1;
# stores the list of active tag namespaces
@namespace=();
-# if 0 all high ASCII characters will be encoded into HTML Entities
-$prevent_entity_encode=0;
-
-# has the dynamic menu been updated to know about this resource
-$Apache::lonxml::registered=0;
+# stores all Scrit Vars displays for later showing
+my @script_var_displays=();
# a pointer the the Apache request object
$Apache::lonxml::request='';
@@ -151,129 +138,55 @@ $Apache::lonxml::counter_changed=0;
#internal check on whether to look at style defs
$Apache::lonxml::usestyle=1;
-sub xmlbegin {
- my $output='';
- if ($ENV{'browser.mathml'}) {
- $output=''
- .''
- .']>'
- .'';
- } else {
- $output='';
- }
- return $output;
+#locations used to store the parameter string for style substitutions
+$Apache::lonxml::style_values='';
+$Apache::lonxml::style_end_values='';
+
+#array of ssi calls that need to occur after we are done parsing
+@Apache::lonxml::ssi_info=();
+
+#should we do the postag variable interpolation
+$Apache::lonxml::post_evaluate=1;
+
+#a header message to emit in the case of any generated warning or errors
+$Apache::lonxml::warnings_error_header='';
+
+# Control whether or not LaTeX symbols should be substituted for their
+# \ style equivalents...this may be turned off e.g. in an verbatim
+# environment.
+
+$Apache::lonxml::substitute_LaTeX_symbols = 1; # Starts out on.
+
+sub enable_LaTeX_substitutions {
+ $Apache::lonxml::substitute_LaTeX_symbols = 1;
+}
+sub disable_LaTeX_substitutions {
+ $Apache::lonxml::substitute_LaTeX_symbols = 0;
}
sub xmlend {
- my ($discussiononly,$symb)=@_;
- my $discussion='';
- if ($ENV{'request.course.id'}) {
- my $crs='/'.$ENV{'request.course.id'};
- if ($ENV{'request.course.sec'}) {
- $crs.='_'.$ENV{'request.course.sec'};
- }
- $crs=~s/\_/\//g;
- my $seeid=&Apache::lonnet::allowed('rin',$crs);
- unless ($symb) {
- $symb=&Apache::lonnet::symbread();
- }
- if ($symb) {
- my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
- $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
- $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
- if ($contrib{'version'}) {
- unless ($discussiononly) {
- $discussion.=
- '
';
- }
- my $idx;
- for ($idx=1;$idx<=$contrib{'version'};$idx++) {
- my $hidden=($contrib{'hidden'}=~/\.$idx\./);
- my $deleted=($contrib{'deleted'}=~/\.$idx\./);
- unless ((($hidden) && (!$seeid)) || ($deleted)) {
- my $message=$contrib{$idx.':message'};
- $message=~s/\n/\ /g;
- $message=&Apache::lontexconvert::msgtexconverted($message);
- if ($contrib{$idx.':attachmenturl'}) {
- my ($fname,$ft)
- =($contrib{$idx.':attachmenturl'}=~/\/(\w+)\.(\w+)$/);
- $message.='Attachment: '.$fname.'.'.$ft.' ';
- }
- if ($message) {
- if ($hidden) {
- $message=''.$message.' ';
- }
- my $screenname=&Apache::loncommon::screenname(
- $contrib{$idx.':sendername'},
- $contrib{$idx.':senderdomain'});
- my $plainname=&Apache::loncommon::nickname(
- $contrib{$idx.':sendername'},
- $contrib{$idx.':senderdomain'});
-
- my $sender='Anonymous';
- if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
- $sender=&Apache::loncommon::aboutmewrapper(
- $plainname,
- $contrib{$idx.':sendername'},
- $contrib{$idx.':senderdomain'}).' ('.
- $contrib{$idx.':sendername'}.' at '.
- $contrib{$idx.':senderdomain'}.')';
- if ($contrib{$idx.':anonymous'}) {
- $sender.=' [anonymous] '.
- $screenname;
- }
- if ($seeid) {
- if ($hidden) {
- $sender.=' Make Visible ';
- } else {
- $sender.=' Hide ';
- }
- $sender.=' Delete ';
- }
- } else {
- if ($screenname) {
- $sender=''.$screenname.' ';
- }
- }
- $discussion.='
'.$sender.' ('.
- localtime($contrib{$idx.':timestamp'}).
- '):
'.$message.
- ' ';
- }
- }
- }
- unless ($discussiononly) {
- $discussion.=' ';
- }
- }
- if ($discussiononly) {
- $discussion.=(<
-
-
-
-
-
-Note: in anonymous discussion, your name is visible only to
-course faculty
-
-
-Attachment (128 KB max size):
-
-
-ENDDISCUSS
- $discussion.=&Apache::lonfeedback::generate_preview_button();
- }
- }
+ my ($target,$parser)=@_;
+ my $mode='xml';
+ my $status='OPEN';
+ if ($Apache::lonhomework::parsing_a_problem ||
+ $Apache::lonhomework::parsing_a_task ) {
+ $mode='problem';
+ $status=$Apache::inputtags::status[-1];
}
- return $discussion.($discussiononly?'':'');
+ my $discussion;
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['LONCAPA_INTERNAL_no_discussion']);
+ if (! exists($env{'form.LONCAPA_INTERNAL_no_discussion'}) ||
+ $env{'form.LONCAPA_INTERNAL_no_discussion'} ne 'true') {
+ $discussion=&Apache::lonfeedback::list_discussion($mode,$status);
+ }
+ if ($target eq 'tex') {
+ $discussion.='\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\end{document} ';
+ &Apache::lonxml::newparser($parser,\$discussion,'');
+ return '';
+ }
+
+ return $discussion;
}
sub tokeninputfield {
@@ -331,9 +244,9 @@ sub maketoken {
$symb=&Apache::lonnet::symbread();
}
unless ($tuname) {
- $tuname=$ENV{'user.name'};
- $tudom=$ENV{'user.domain'};
- $tcrsid=$ENV{'request.course.id'};
+ $tuname=$env{'user.name'};
+ $tudom=$env{'user.domain'};
+ $tcrsid=$env{'request.course.id'};
}
return &Apache::lonnet::checkout($symb,$tuname,$tudom,$tcrsid);
@@ -343,7 +256,7 @@ sub printtokenheader {
my ($target,$token,$tsymb,$tcrsid,$tudom,$tuname)=@_;
unless ($token) { return ''; }
- my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
+ my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser();
unless ($tsymb) {
$tsymb=$symb;
}
@@ -353,42 +266,24 @@ sub printtokenheader {
$tcrsid=$courseid;
}
- my %reply=&Apache::lonnet::get('environment',
- ['firstname','middlename','lastname','generation'],
- $tudom,$tuname);
- my $plainname=$reply{'firstname'}.' '.
- $reply{'middlename'}.' '.
- $reply{'lastname'}.' '.
- $reply{'generation'};
+ my $plainname=&Apache::loncommon::plainname($tuname,$tudom);
if ($target eq 'web') {
my %idhash=&Apache::lonnet::idrget($tudom,($tuname));
return
' '.
- 'Checked out for '.$plainname.
- ' User: '.$tuname.' at '.$tudom.
- ' ID: '.$idhash{$tuname}.
- ' CourseID: '.$tcrsid.
- ' Course: '.$ENV{'course.'.$tcrsid.'.description'}.
- ' DocID: '.$token.
- ' Time: '.localtime().' ';
+ &mt('Checked out for').' '.$plainname.
+ ' '.&mt('User').': '.$tuname.' at '.$tudom.
+ ' '.&mt('ID').': '.$idhash{$tuname}.
+ ' '.&mt('CourseID').': '.$tcrsid.
+ ' '.&mt('Course').': '.$env{'course.'.$tcrsid.'.description'}.
+ ' '.&mt('DocID').': '.$token.
+ ' '.&mt('Time').': '.&Apache::lonlocal::locallocaltime().' ';
} else {
return $token;
}
}
-sub fontsettings() {
- my $headerstring='';
- if (($ENV{'browser.os'} eq 'mac') && (!$ENV{'browser.mathml'})) {
- $headerstring.=
- ' ';
- } elsif (!$ENV{'browser.mathml'}) {
- $headerstring.=
- ' ';
- }
- return $headerstring;
-}
-
sub printalltags {
my $temp;
foreach $temp (sort keys %Apache::lonxml::alltags) {
@@ -402,28 +297,40 @@ sub xmlparse {
&setup_globals($request,$target);
&Apache::inputtags::initialize_inputtags();
+ &Apache::bridgetask::initialize_bridgetask();
&Apache::outputtags::initialize_outputtags();
&Apache::edit::initialize_edit();
+ &Apache::londefdef::initialize_londefdef();
#
# do we have a course style file?
#
- if ($ENV{'request.course.id'} && $ENV{'request.state'} ne 'construct') {
+ if ($env{'request.course.id'} && $env{'request.state'} ne 'construct') {
my $bodytext=
- $ENV{'course.'.$ENV{'request.course.id'}.'.default_xml_style'};
+ $env{'course.'.$env{'request.course.id'}.'.default_xml_style'};
if ($bodytext) {
- my $location=&Apache::lonnet::filelocation('',$bodytext);
- my $styletext=&Apache::lonnet::getfile($location);
- if ($styletext ne '-1') {
- %style_for_target = (%style_for_target,
- &Apache::style::styleparser($target,$styletext));
- }
- }
+ foreach my $file (split(',',$bodytext)) {
+ my $location=&Apache::lonnet::filelocation('',$file);
+ my $styletext=&Apache::lonnet::getfile($location);
+ if ($styletext ne '-1') {
+ %style_for_target = (%style_for_target,
+ &Apache::style::styleparser($target,$styletext));
+ }
+ }
+ }
+ } elsif ($env{'construct.style'}
+ && ($env{'request.state'} eq 'construct')) {
+ my $location=&Apache::lonnet::filelocation('',$env{'construct.style'});
+ my $styletext=&Apache::lonnet::getfile($location);
+ if ($styletext ne '-1') {
+ %style_for_target = (%style_for_target,
+ &Apache::style::styleparser($target,$styletext));
+ }
}
#&printalltags();
my @pars = ();
- my $pwd=$ENV{'request.filename'};
+ my $pwd=$env{'request.filename'};
$pwd =~ s:/[^/]*$::;
&newparser(\@pars,\$content_file_string,$pwd);
@@ -436,68 +343,83 @@ sub xmlparse {
my @stack = ();
my @parstack = ();
- &initdepth;
-
+ &initdepth();
+ &init_alarm();
my $finaloutput = &inner_xmlparse($target,\@stack,\@parstack,\@pars,
- $safeeval,\%style_for_target);
+ $safeeval,\%style_for_target,1);
- if ($ENV{'request.uri'}) {
- &writeallows($ENV{'request.uri'});
+ if (@stack) {
+ &warning("At end of file some tags were still left unclosed, ".
+ '<'.join('> , <',reverse(@stack)).
+ '> ');
+ }
+ if ($env{'request.uri'}) {
+ &writeallows($env{'request.uri'});
}
+ &do_registered_ssi();
if ($Apache::lonxml::counter_changed) { &store_counter() }
- return $finaloutput;
-}
-
-sub htmlclean {
- my ($raw,$full)=@_;
-
- my $tree = HTML::TreeBuilder->new;
- $tree->ignore_unknown(0);
-
- $tree->parse($raw);
-
- my $output= $tree->as_HTML(undef,' ');
- $output=~s/\<(br|hr|img|meta|allow)(.*?)\>/\<$1$2 \/\>/gis;
- $output=~s/\<\/(br|hr|img|meta|allow)\>//gis;
- unless ($full) {
- $output=~s/\<[\/]*(body|head|html)\>//gis;
- }
+ &clean_safespace($safeeval);
- $tree = $tree->delete;
+ if (@script_var_displays) {
+ $finaloutput .= join('',@script_var_displays);
+ undef(@script_var_displays);
+ }
- return $output;
+ if ($env{'form.return_only_error_and_warning_counts'}) {
+ return "$errorcount:$warningcount";
+ }
+ return $finaloutput;
}
sub latex_special_symbols {
- my ($current_token,$stack,$parstack,$where)=@_;
+ my ($string,$where)=@_;
+ #
+ # If e.g. in verbatim mode, then don't substitute.
+ # but return original string.
+ #
+ if (!($Apache::lonxml::substitute_LaTeX_symbols)) {
+ return $string;
+ }
if ($where eq 'header') {
- $current_token =~ s/(\\|_|\^)/ /g;
- $current_token =~ s/(\$|%|\#|&|\{|\})/\\$1/g;
+ $string =~ s/\\/\$\\backslash\$/g; # \ -> $\backslash$ per LaTex line by line pg 10.
+ $string =~ s/(\$|%|\{|\})/\\$1/g;
+ $string=&Apache::lonprintout::character_chart($string);
+ # any & or # leftover should be safe to just escape
+ $string=~s/([^\\])\&/$1\\\&/g;
+ $string=~s/([^\\])\#/$1\\\#/g;
+ $string =~ s/_/\\_/g; # _ -> \_
+ $string =~ s/\^/\\\^{}/g; # ^ -> \^{}
} else {
- $current_token=~s/\\ /\\char92 /g;
- $current_token=~s/\^/\\char94 /g;
- $current_token=~s/\~/\\char126 /g;
- $current_token=~s/(&[^A-Za-z\#])/\\$1/g;
- $current_token=~s/([^&])\#/$1\\#/g;
- $current_token=~s/(\$|_|{|})/\\$1/g;
- $current_token=~s/\\char92 /\\texttt{\\char92}/g;
- $current_token=~s/(>|<)/\$$1\$/g; #more or less
- if ($current_token=~m/\d%/) {$current_token =~ s/(\d)%/$1\\%/g;} #percent after digit
- if ($current_token=~m/\s%/) {$current_token =~ s/(\s)%/$1\\%/g;} #persent after space
+ $string=~s/\\/\\ensuremath{\\backslash}/g;
+ $string=~s/\\\%|\%/\\\%/g;
+ $string=~s/\\{|{/\\{/g;
+ $string=~s/\\}|}/\\}/g;
+ $string=~s/\\ensuremath\\{\\backslash\\}/\\ensuremath{\\backslash}/g;
+ $string=~s/\\\$|\$/\\\$/g;
+ $string=~s/\\\_|\_/\\\_/g;
+ $string=~s/([^\\]|^)(\~|\^)/$1\\$2\\strut /g;
+ $string=~s/(>|<)/\\ensuremath\{$1\}/g; #more or less
+ $string=&Apache::lonprintout::character_chart($string);
+ # any & or # leftover should be safe to just escape
+ $string=~s/\\\&|\&/\\\&/g;
+ $string=~s/\\\#|\#/\\\#/g;
+ $string=~s/\|/\$\\mid\$/g;
+#single { or } How to escape?
}
- return $current_token;
+ return $string;
}
sub inner_xmlparse {
- my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target)=@_;
+ my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target,$start)=@_;
my $finaloutput = '';
my $result;
my $token;
my $dontpop=0;
+ my $startredirection = $Apache::lonxml::redirection;
while ( $#$pars > -1 ) {
while ($token = $$pars['-1']->get_token) {
- if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) {
+ if (($token->[0] eq 'T') || ($token->[0] eq 'C') ) {
if ($metamode<1) {
my $text=$token->[1];
if ($token->[0] eq 'C' && $target eq 'tex') {
@@ -506,8 +428,13 @@ sub inner_xmlparse {
}
$result.=$text;
}
+ } elsif (($token->[0] eq 'D')) {
+ if ($metamode<1 && $target eq 'web') {
+ my $text=$token->[1];
+ $result.=$text;
+ }
} elsif ($token->[0] eq 'PI') {
- if ($metamode<1) {
+ if ($metamode<1 && $target eq 'web') {
$result=$token->[2];
}
} elsif ($token->[0] eq 'S') {
@@ -523,6 +450,7 @@ sub inner_xmlparse {
' ';
&Apache::lonxml::newparser($pars,\$string);
$Apache::lonxml::style_values=$$parstack[-1];
+ $Apache::lonxml::style_end_values=$$parstack[-1];
} else {
$result = &callsub("start_$token->[1]", $target, $token, $stack,
$parstack, $pars, $safeeval, $style_for_target);
@@ -534,13 +462,14 @@ sub inner_xmlparse {
my $string=$$style_for_target{'/'.$token->[1]}.
' ';
&Apache::lonxml::newparser($pars,\$string);
- $Apache::lonxml::style_values=$$parstack[-1];
+ $Apache::lonxml::style_values=$Apache::lonxml::style_end_values;
+ $Apache::lonxml::style_end_values='';
$dontpop=1;
} else {
#clear out any tags that didn't end
while ($token->[1] ne $$stack['-1'] && ($#$stack > -1)) {
my $lasttag=$$stack[-1];
- if ($token->[1] =~ /^$lasttag$/i) {
+ if ($token->[1] =~ /^\Q$lasttag\E$/i) {
&Apache::lonxml::warning('Using tag </'.$token->[1].'> on line '.$token->[3].' as end tag to <'.$$stack[-1].'>');
last;
} else {
@@ -555,7 +484,7 @@ sub inner_xmlparse {
&Apache::lonxml::error("Unknown token event :$token->[0]:$token->[1]:");
}
#evaluate variable refs in result
- if ($result ne "") {
+ if ($Apache::lonxml::post_evaluate &&$result ne "") {
my $extras;
if (!$Apache::lonxml::usestyle) {
$extras=$Apache::lonxml::style_values;
@@ -566,17 +495,15 @@ sub inner_xmlparse {
$result= &Apache::run::evaluate($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,$stack,$parstack);
+ $result=&latex_special_symbols($result);
}
}
- # Encode any high ASCII characters
- if (!$Apache::lonxml::prevent_entity_encode) {
- $result=&HTML::Entities::encode($result,"\200-\377");
- }
if ($Apache::lonxml::redirection) {
$Apache::lonxml::outputstack['-1'] .= $result;
} else {
@@ -599,13 +526,22 @@ sub inner_xmlparse {
# $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='';
@@ -624,7 +560,6 @@ sub callsub {
}
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,
@@ -638,6 +573,10 @@ sub callsub {
$parstack,$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)) {
@@ -656,17 +595,23 @@ sub callsub {
} elsif ($token->[0] eq 'E') {
$currentstring = &Apache::edit::tag_end($target,$token);
}
- } elsif ($target eq 'modified') {
+ }
+ }
+ if ($target eq 'modified' && $nodefault eq '') {
+ if ($currentstring eq '') {
+ if ($token->[0] eq 'S') {
+ $currentstring = $token->[4];
+ } elsif ($token->[0] eq 'E') {
+ $currentstring = $token->[2];
+ } else {
+ $currentstring = $token->[2];
+ }
+ }
if ($token->[0] eq 'S') {
- $currentstring = $token->[4];
- $currentstring.=&Apache::edit::handle_insert();
+ $currentstring.=&Apache::edit::handle_insert();
} elsif ($token->[0] eq 'E') {
- $currentstring = $token->[2];
- $currentstring.=&Apache::edit::handle_insertafter($token->[1]);
- } else {
- $currentstring = $token->[2];
+ $currentstring.=&Apache::edit::handle_insertafter($token->[1]);
}
- }
}
}
use strict 'refs';
@@ -677,7 +622,6 @@ sub callsub {
sub setup_globals {
my ($request,$target)=@_;
$Apache::lonxml::request=$request;
- $Apache::lonxml::registered = 0;
$errorcount=0;
$warningcount=0;
$Apache::lonxml::default_homework_loaded=0;
@@ -685,6 +629,11 @@ sub setup_globals {
&init_counter();
@Apache::lonxml::pwd=();
@Apache::lonxml::extlinks=();
+ @script_var_displays=();
+ @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;
@@ -696,7 +645,7 @@ sub setup_globals {
$Apache::lonxml::evaluate = 1;
$Apache::lonxml::import = 1;
} elsif ($target eq 'grade') {
- &startredirection;
+ &startredirection(); #ended in inner_xmlparse on exit
$Apache::lonxml::metamode = 0;
$Apache::lonxml::evaluate = 1;
$Apache::lonxml::import = 1;
@@ -725,14 +674,31 @@ sub setup_globals {
sub init_safespace {
my ($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');
+
+ $safehole->wrap(\&Apache::lonmaxima::maxima_eval,$safeeval,'&maxima_eval');
+ $safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check');
+ $safehole->wrap(\&Apache::lonmaxima::maxima_cas_formula_fix,$safeeval,
+ '&maxima_cas_formula_fix');
+
+ $safehole->wrap(\&Apache::caparesponse::capa_formula_fix,$safeeval,
+ '&capa_formula_fix');
+
$safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin');
$safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos');
$safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan');
@@ -776,6 +742,36 @@ sub init_safespace {
$safehole->wrap(\&Math::Cephes::stdtr ,$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');
@@ -804,16 +800,57 @@ sub init_safespace {
$safehole->wrap(\&Math::Random::random_set_seed_from_phrase,$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.'";';
- my $rndseed;
- my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
- $rndseed=&Apache::lonnet::rndseed($symb,$courseid,$domain,$name);
- $safeinit .= ';$external::randomseed='.$rndseed.';';
- &Apache::lonxml::debug("Setting rndseed to $rndseed");
&Apache::run::run($safeinit,$safeeval);
+ &initialize_rndseed($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::" && $key ne "::")
+ {
+ my ($p) = $package ne "main" ? "$package\::" : "";
+ ($p .= $key) =~ s/::$//;
+ push(@subp,$p);
+ }
+ }
+ }
+ foreach my $p (@subp) {
+ delete_package_recurse($p);
+ }
+ 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 {
@@ -828,18 +865,48 @@ sub default_homework_load {
}
}
+{
+ 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 {
- $Apache::lonxml::redirection++;
- push (@Apache::lonxml::outputstack, '');
+ if (!$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 debuging information:".join ":",caller);
- return '';
- }
- $Apache::lonxml::redirection--;
- pop @Apache::lonxml::outputstack;
+ if (!$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 {
@@ -851,66 +918,113 @@ sub end_tag {
sub initdepth {
@Apache::lonxml::depthcounter=();
- $Apache::lonxml::depth=-1;
- $Apache::lonxml::olddepth=-1;
+ undef($Apache::lonxml::last_depth_count);
}
+
+my @timers;
+my $lasttime;
+# @Apache::lonxml::depthcounter -> count of tags that exist so
+# far at each level
+# $Apache::lonxml::last_depth_count -> when ascending, need to
+# remember the count for the level below the current level (for
+# example going from 1_2 -> 1 -> 1_3 need to remember the 2 )
+
sub increasedepth {
my ($token) = @_;
- $Apache::lonxml::depth++;
- $Apache::lonxml::depthcounter[$Apache::lonxml::depth]++;
- if ($Apache::lonxml::depthcounter[$Apache::lonxml::depth]==1) {
- $Apache::lonxml::olddepth=$Apache::lonxml::depth;
- }
- my $curdepth=join('_',@Apache::lonxml::depthcounter);
- &Apache::lonxml::debug("s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n");
+ push(@Apache::lonxml::depthcounter,$Apache::lonxml::last_depth_count+1);
+ undef($Apache::lonxml::last_depth_count);
+ my $time;
+ if ($Apache::lonxml::debug eq "1") {
+ push(@timers,[&gettimeofday()]);
+ $time=&tv_interval($lasttime);
+ $lasttime=[&gettimeofday()];
+ }
+ my $spacing=' 'x($#Apache::lonxml::depthcounter);
+ $Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter);
+# &Apache::lonxml::debug("s$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $Apache::lonxml::curdepth : $token->[1] : $time");
#print " s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n";
}
sub decreasedepth {
my ($token) = @_;
- $Apache::lonxml::depth--;
- if ($Apache::lonxml::depth<$Apache::lonxml::olddepth-1) {
- $#Apache::lonxml::depthcounter--;
- $Apache::lonxml::olddepth=$Apache::lonxml::depth+1;
- }
- if ( $Apache::lonxml::depth < -1) {
- &Apache::lonxml::warning("Missing tags, unable to properly run file.");
- $Apache::lonxml::depth='-1';
+ if ( $#Apache::lonxml::depthcounter == -1) {
+ &Apache::lonxml::warning(&mt("Missing tags, unable to properly run file."));
}
- my $curdepth=join('_',@Apache::lonxml::depthcounter);
- &Apache::lonxml::debug("e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n");
+ $Apache::lonxml::last_depth_count = pop(@Apache::lonxml::depthcounter);
+
+ my ($timer,$time);
+ if ($Apache::lonxml::debug eq "1") {
+ $timer=pop(@timers);
+ $time=&tv_interval($lasttime);
+ $lasttime=[&gettimeofday()];
+ }
+ my $spacing=' 'x($#Apache::lonxml::depthcounter);
+ $Apache::lonxml::curdepth = join('_',@Apache::lonxml::depthcounter);
+# &Apache::lonxml::debug("e$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $Apache::lonxml::curdepth : $token->[1] : $time : ".&tv_interval($timer));
#print " 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' && $id =~ /([._]|[^\w\d\s[:punct:]])/) {
+ &error(&mt("ID "[_1]" contains invalid characters, IDs are only allowed to contain letters, numbers, spaces and -",''.$id.' '));
+ }
+ 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 = $$pars[-1]->get_token) {
- if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
- $result.=$token->[1];
- } elsif ($token->[0] eq 'PI') {
- $result.=$token->[2];
- } elsif ($token->[0] eq 'S') {
- $result.=$token->[4];
- } elsif ($token->[0] eq 'E') {
- $result.=$token->[2];
- }
- if ($result =~ /(.*)\Q$tag\E(.*)/s) {
- &Apache::lonxml::debug('Got a winner with leftovers ::'.$2);
- &Apache::lonxml::debug('Result is :'.$1);
- $result=$1;
- my $redo=$tag.$2;
- &Apache::lonxml::newparser($pars,\$redo);
- last;
- }
- }
- return $result
+ my($tag,$pars)= @_;
+ my $token;
+ my $result='';
+ $tag='<'.$tag.'>';
+ while ($token = $$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.='[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
}
+=pod
+
+For bubble grading mode and exam bubble printing mode, the tracking of
+the current 'bubble line number' is stored in the %env element
+'form.counter', and is modifed and handled by the following routines.
+
+The value of it is stored in $Apache:lonxml::counter when live and
+stored back to env after done.
+
+=item &increment_counter($increment);
+
+Increments the internal counter environment variable a specified amount
+
+Optional Arguments:
+ $increment - amount to increment by (defaults to 1)
+
+=cut
+
sub increment_counter {
my ($increment) = @_;
if (defined($increment) && $increment gt 0) {
@@ -921,9 +1035,20 @@ sub increment_counter {
$Apache::lonxml::counter_changed=1;
}
+=pod
+
+=item &init_counter($increment);
+
+Initialize the internal counter environment variable
+
+=cut
+
sub init_counter {
- if (defined($ENV{'form.counter'})) {
- $Apache::lonxml::counter=$ENV{'form.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;
@@ -933,93 +1058,147 @@ sub init_counter {
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,$pars)= @_;
- &Apache::lonxml::debug("Got a ".ref($pars));
- my $gotfullstack=1;
- if (ref($pars) ne 'ARRAY') {
- $gotfullstack=0;
- $pars=[$pars];
- }
- 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 = $$pars[-1]->get_token)) {
- #&Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]:".$#$pars.":".$#Apache::lonxml::pwd);
- if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
- $result.=$token->[1];
- } elsif ($token->[0] eq 'PI') {
- $result.=$token->[2];
- } elsif ($token->[0] eq 'S') {
- if ($token->[1] =~ /^$tag$/i) { $depth++; }
- $result.=$token->[4];
- } elsif ($token->[0] eq 'E') {
- if ( $token->[1] =~ /^$tag$/i) { $depth--; }
- #skip sending back the last end tag
- if ($depth > -1) { $result.=$token->[2]; } else {
- $$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.'>');
- if ($gotfullstack) {
- my $newstring=''.$tag.'>'.$result;
- &Apache::lonxml::newparser($pars,\$newstring);
- }
- $result='';
- }
- } else {
- while ($#$pars > -1) {
- while ($token = $$pars[-1]->get_token) {
- #&Apache::lonxml::debug("s token:$token->[0]:$depth:$token->[1]");
- if (($token->[0] eq 'T')||($token->[0] eq 'C')||
- ($token->[0] eq 'D')) {
- $result.=$token->[1];
- } elsif ($token->[0] eq 'PI') {
- $result.=$token->[2];
- } elsif ($token->[0] eq 'S') {
- if ( $token->[1] =~ /^$tag$/i) {
- $$pars[-1]->unget_token($token); last;
- } else {
- $result.=$token->[4];
- }
- } elsif ($token->[0] eq 'E') {
- $result.=$token->[2];
- }
- }
- if (($#$pars > 0) ) {
- pop(@$pars);
- pop(@Apache::lonxml::pwd);
- } else { last; }
- }
- }
- if ($result =~ m| |) {
- $Apache::lonxml::usestyle=1;
- }
- #&Apache::lonxml::debug("Exit:$result:");
- return $result
+ my($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 = $$pars[-1]->get_token)) {
+ #&Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]:".$#$pars.":".$#Apache::lonxml::pwd);
+ if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
+ if ($token->[2]) {
+ $result.='[1].']]>';
+ } else {
+ $result.=$token->[1];
+ }
+ } elsif ($token->[0] eq 'PI') {
+ $result.=$token->[2];
+ } elsif ($token->[0] eq 'S') {
+ if ($token->[1] =~ /^\Q$tag\E$/i) { $depth++; }
+ if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_ON$/) { $Apache::lonxml::usestyle=1; }
+ if ($token->[1] =~ /^LONCAPA_INTERNAL_TURN_STYLE_OFF$/) { $Apache::lonxml::usestyle=0; }
+ $result.=$token->[4];
+ } elsif ($token->[0] eq 'E') {
+ if ( $token->[1] =~ /^\Q$tag\E$/i) { $depth--; }
+ #skip sending back the last end tag
+ if ($depth == 0 && exists($$style{'/'.$token->[1]}) && $Apache::lonxml::usestyle) {
+ my $string=
+ ' '.
+ $$style{'/'.$token->[1]}.
+ $token->[2].
+ ' ';
+ &Apache::lonxml::newparser($pars,\$string);
+ #&Apache::lonxml::debug("reParsing $string");
+ next;
+ }
+ if ($depth > -1) {
+ $result.=$token->[2];
+ } else {
+ $$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 '.
+ &HTML::Entities::encode($result,'<>&"').
+ ' ');
+ if ($gotfullstack) {
+ my $newstring=''.$tag.'>'.$result;
+ &Apache::lonxml::newparser($pars,\$newstring);
+ }
+ $result='';
+ }
+ } else {
+ while ($#$pars > -1) {
+ while ($token = $$pars[-1]->get_token) {
+ #&Apache::lonxml::debug("s token:$token->[0]:$depth:$token->[1]");
+ if (($token->[0] eq 'T')||($token->[0] eq 'C')||
+ ($token->[0] eq 'D')) {
+ if ($token->[2]) {
+ $result.='[1].']]>';
+ } else {
+ $result.=$token->[1];
+ }
+ } elsif ($token->[0] eq 'PI') {
+ $result.=$token->[2];
+ } elsif ($token->[0] eq 'S') {
+ if ( $token->[1] =~ /^\Q$tag\E$/i) {
+ $$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]->xml_mode(1);
+ $$parser[-1]->marked_sections(1);
if ( $dir eq '' ) {
push (@Apache::lonxml::pwd, $Apache::lonxml::pwd[$#Apache::lonxml::pwd]);
} else {
@@ -1028,36 +1207,69 @@ sub newparser {
}
sub parstring {
- my ($token) = @_;
- my $temp='';
- foreach (@{$token->[3]}) {
- unless ($_=~/\W/) {
- my $val=$token->[2]->{$_};
- $val =~ s/([\%\@\\\"\'])/\\$1/g;
- #if ($val =~ m/^[\%\@]/) { $val="\\".$val; }
- $temp .= "my \$$_=\"$val\";"
+ my ($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\"");
+ }
}
- }
- return $temp;
+ 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 $thisurl='/res/'.&Apache::lonnet::declutter(shift);
- if ($ENV{'httpref.'.$thisurl}) {
- $thisurl=$ENV{'httpref.'.$thisurl};
+ 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;
+ &Apache::lonnet::hreflocation($thisdir,&unescape($_))}=$thisurl;
}
@extlinks=();
&Apache::lonnet::appenv(%httpref);
}
+sub register_ssi {
+ my ($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($url,%form);
+ }
+}
+
+sub add_script_result {
+ my ($display) = @_;
+ push(@script_var_displays, $display);
+}
+
#
# Afterburner handles anchors, highlights and links
#
@@ -1065,27 +1277,27 @@ 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'})) {
+ if ($env{'form.highlight'}) {
+ foreach (split(/\,/,$env{'form.highlight'})) {
my $anchorname=$_;
my $matchthis=$anchorname;
$matchthis=~s/\_+/\\s\+/g;
- $result=~s/($matchthis)/\$1\<\/font\>/gs;
+ $result=~s/(\Q$matchthis\E)/\$1\<\/font\>/gs;
}
}
- if ($ENV{'form.link'}) {
- foreach (split(/\,/,$ENV{'form.link'})) {
+ if ($env{'form.link'}) {
+ foreach (split(/\,/,$env{'form.link'})) {
my ($anchorname,$linkurl)=split(/\>/,$_);
my $matchthis=$anchorname;
$matchthis=~s/\_+/\\s\+/g;
- $result=~s/($matchthis)/\$1\<\/a\>/gs;
+ $result=~s/(\Q$matchthis\E)/\ $1\<\/a\>/gs;
}
}
- if ($ENV{'form.anchor'}) {
- my $anchorname=$ENV{'form.anchor'};
+ if ($env{'form.anchor'}) {
+ my $anchorname=$env{'form.anchor'};
my $matchthis=$anchorname;
$matchthis=~s/\_+/\\s\+/g;
- $result=~s/($matchthis)/\ $1\<\/a\>/s;
+ $result=~s/(\Q$matchthis\E)/\ $1\<\/a\>/s;
$result.=(<<"ENDSCRIPT");
+FULLPAGE
+ } else {
+ $initialize.=(<
+$addbuttons
+ function initDocument() {
+ }
+
+FULLPAGE
+ }
+ $result=~s/\]*)\>/\/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 $buttons=(<
-
-
+$cleanbut
+
+
+
+
BUTTONS
+ $buttons.=&Apache::lonhtmlcommon::spelllink('xmledit','filecont');
my $editfooter=(<
-
$titledisplay
+
ENDFOOTER
# $result=~s/(\]*\>)/$1$editheader/is;
$result=~s/(\<\/body\>)/$editfooter/is;
@@ -1161,24 +1422,24 @@ ENDFOOTER
}
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'})
+ 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 $ENV{'form.grade_target'}
+ return ($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'});
+ } elsif ($env{'request.state'} eq 'construct') {
+ if ( defined($env{'form.grade_target'})) {
+ return ($env{'form.grade_target'});
} else {
return 'web';
}
@@ -1192,75 +1453,101 @@ sub handler {
my $target=&get_target();
- $Apache::lonxml::debug=$ENV{'user.debug'};
+ $Apache::lonxml::debug=$env{'user.debug'};
- if ($ENV{'browser.mathml'}) {
- $request->content_type('text/xml');
- } else {
- $request->content_type('text/html');
- }
+ &Apache::loncommon::content_type($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;
my $file=&Apache::lonnet::filelocation("",$request->uri);
+ my $filetype;
+ if ($file =~ /\.sty$/) {
+ $filetype='sty';
+ } else {
+ $filetype='html';
+ }
#
# Edit action? Save file.
#
- unless ($ENV{'request.state'} eq 'published') {
- if (($ENV{'form.savethisfile'}) || ($ENV{'form.attemptclean'})) {
- &storefile($file,$ENV{'form.filecont'});
+ 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=(<
-
-File not found
-
-
-File not found: $file
-
-
+$start_page
+$fnf: $file
+$end_page
ENDNOTFOUND
- $filecontents='';
- if ($ENV{'request.state'} ne 'published') {
- $filecontents=&createnewhtml();
- $ENV{'form.editmode'}='Edit'; #force edit mode
+ $filecontents='';
+ if ($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 ($ENV{'form.attemptclean'}) {
- $filecontents=&htmlclean($filecontents,1);
+ 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($ENV{'QUERY_STRING'},
+ ['editmode']);
}
- if (!$ENV{'form.editmode'} || $ENV{'form.viewmode'}) {
+ if (!$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'}))) {
+ unless ($env{'request.state'} eq 'published') {
+ if ($env{'form.editmode'} && (!($env{'form.viewmode'})) && (!($env{'form.discardview'})))
+ {
my $displayfile=$request->uri;
$displayfile=~s/^\/[^\/]*//;
- $result=''.$displayfile.
- ' ';
- $result=&inserteditinfo($result,$filecontents);
+ my %options = ();
+ if ($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().''.
+ $displayfile.
+ ' '.&Apache::loncommon::end_page();
+ $result=&inserteditinfo($result,$filecontents,$filetype);
}
}
+ if ($filetype eq 'html') { &writeallows($request->uri); }
+
- writeallows($request->uri);
-
-
+ &Apache::lonxml::add_messages(\$result);
$request->print($result);
return OK;
@@ -1268,10 +1555,10 @@ ENDNOTFOUND
sub display_title {
my $result;
- if ($ENV{'request.state'} eq 'construct') {
+ if ($env{'request.state'} eq 'construct') {
my $title=&Apache::lonnet::gettitle();
if (!defined($title) || $title eq '') {
- $title = $ENV{'request.filename'};
+ $title = $env{'request.filename'};
$title = substr($title, rindex($title, '/') + 1);
}
$result = "";
@@ -1280,43 +1567,123 @@ sub display_title {
}
sub debug {
- if ($Apache::lonxml::debug eq 1) {
- $|=1;
- print('DEBUG:'.&HTML::Entities::encode($_[0])." \n");
- }
+ 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; };
+ }
+ $request->print('DEBUG:'.&HTML::Entities::encode($_[0],'<>&"')." \n");
+ #&Apache::lonnet::logthis($_[0]);
+ }
}
-sub error {
- $errorcount++;
- if (($Apache::lonxml::debug eq 1) || ($ENV{'request.state'} eq 'construct') ) {
- # If printing in construction space, put the error inside
- print "ERROR: ".join("\n",@_)."\n";
- } else {
- print "An Error occured while processing this resource. The instructor has been notified. ";
- #notify author
- &Apache::lonmsg::author_res_msg($ENV{'request.filename'},join(' ',@_));
- #notify course
- if ( $ENV{'request.course.id'} ) {
- my (undef,%users)=&Apache::lonfeedback::decide_receiver(undef,0,1,1,1);
- my $declutter=&Apache::lonnet::declutter($ENV{'request.filename'});
- foreach (keys %users) {
- my ($user,$domain) = split(/:/, $_);
- &Apache::lonmsg::user_normal_msg($user,$domain,
- "Error [$declutter]",join(' ',@_));
- }
+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'));
+}
- #FIXME probably shouldn't have me get everything forever.
- &Apache::lonmsg::user_normal_msg('albertel','msu',"Error in $ENV{'request.filename'}",join(' ',@_));
- #&Apache::lonmsg::user_normal_msg('albertel','103',"Error in $ENV{'request.filename'}",$_[0]);
- }
+sub error {
+ $errorcount++;
+ if ( &show_error_warn_msg() ) {
+ # If printing in construction space, put the error inside
+ push(@Apache::lonxml::error_messages,
+ $Apache::lonxml::warnings_error_header.
+ "ERROR: ".join(" \n",@_)." \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(' ',(@_,"The error occurred on host $host "));
+ #notify author
+ &Apache::lonmsg::author_res_msg($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::lonmsg::decide_receiver(undef,0,1,1,1);
+ my $declutter=&Apache::lonnet::declutter($env{'request.filename'});
+ my $baseurl = &Apache::lonnet::clutter($declutter);
+ 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) {
+ my $title = &Apache::lonnet::gettitle($symb);
+ my $sentmessage;
+ &Apache::lonmsg::user_normal_msg($user,$domain,
+ "Error [$title]",$msg,'',$baseurl,'','',
+ \$sentmessage,$symb,$title,1);
+ &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 {
+ $errormsg=&mt("An error occured while processing this resource. The instructor has been notified.");
+ }
+ }
+ push(@Apache::lonxml::error_messages,"$errormsg ");
+ }
}
sub warning {
- $warningcount++;
- if ($ENV{'request.state'} eq 'construct' || $Apache::lonxml::debug) {
- print "W ARNING: ".join(' ',@_)." \n";
- }
+ $warningcount++;
+
+ if ($env{'form.grade_target'} ne 'tex') {
+ if ( &show_error_warn_msg() ) {
+ push(@Apache::lonxml::warning_messages,
+ $Apache::lonxml::warnings_error_header.
+ "W ARNING: ".join(' ',@_)." \n");
+ $Apache::lonxml::warnings_error_header='';
+ }
+ }
+}
+
+sub info {
+ if ($env{'form.grade_target'} ne 'tex'
+ && $env{'request.state'} eq 'construct') {
+ push(@Apache::lonxml::info_messages,join(' ',@_)." \n");
+ }
+}
+
+sub message_location {
+ return '__LONCAPA_INTERNAL_MESSAGE_LOCATION__';
+}
+
+sub add_messages {
+ my ($msg)=@_;
+ my $result=join(' ',
+ @Apache::lonxml::info_messages,
+ @Apache::lonxml::error_messages,
+ @Apache::lonxml::warning_messages);
+ undef(@Apache::lonxml::info_messages);
+ 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 {
@@ -1324,16 +1691,19 @@ sub get_param {
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).$3/ei) {
+ if ($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=\"/ ) {
+ if ( $args =~ /my .*\$\Q$param\E[,\)]/ ) {
return &Apache::run::run("{$args;".'return $'.$param.'}',
$safeeval); #'
} else {
@@ -1347,15 +1717,18 @@ sub get_param_var {
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).$3/ei)) {
+ if (! ($args=~s/(my (?:.*))(\$\Q$param\E[,\)])/$1.lc($2)/ei)) {
return undef;
}
- } elsif ( $args !~ /my \$\Q$param\E=\"/ ) { return undef; }
+ } elsif ( $args !~ /my .*\$\Q$param\E[,\)]/ ) { return undef; }
my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #'
&Apache::lonxml::debug("first run is $value");
- if ($value =~ /^[\$\@\%]\w+$/) {
+ if ($value =~ /^[\$\@\%][a-zA-Z_]\w*$/) {
&Apache::lonxml::debug("doing second");
my @result=&Apache::run::run("return $value",$safeeval,1);
if (!defined($result[0])) {
@@ -1368,85 +1741,144 @@ sub get_param_var {
}
}
-sub register_insert {
- my @data = split /\n/, &Apache::lonnet::getfile('/home/httpd/lonTabs/insertlist.tab');
- my $i;
- my $tagnum=0;
- my @order;
- for ($i=0;$i < $#data; $i++) {
- my $line = $data[$i];
- if ( $line =~ /^\#/ || $line =~ /^\s*\n/) { next; }
- if ( $line =~ /TABLE/ ) { last; }
- my ($tag,$descrip,$color,$function,$show) = split(/,/, $line);
- if ($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;
- $insertlist{"$tag.num"}=$tagnum;
- $tagnum++;
+sub register_insert_xml {
+ my $parser = HTML::LCParser->new($Apache::lonnet::perlvar{'lonTabDir'}
+ .'/insertlist.xml');
+ my ($tagnum,$in_help)=(0,0);
+ my @alltags;
+ my $tag;
+ while (my $token = $parser->get_token()) {
+ if ($token->[0] eq 'S') {
+ my $key;
+ if ($token->[1] eq 'tag') {
+ $tag = $token->[2]{'name'};
+ $insertlist{"$tagnum.tag"} = $tag;
+ $insertlist{"$tag.num"} = $tagnum;
+ push(@alltags,$tag);
+ } elsif ($in_help && $token->[1] eq 'file') {
+ $key = $tag.'.helpfile';
+ } elsif ($in_help && $token->[1] eq 'description') {
+ $key = $tag.'.helpdesc';
+ } elsif ($token->[1] eq 'description' ||
+ $token->[1] eq 'color' ||
+ $token->[1] eq 'show' ) {
+ $key = $tag.'.'.$token->[1];
+ } elsif ($token->[1] eq 'insert_sub') {
+ $key = $tag.'.function';
+ } elsif ($token->[1] eq 'help') {
+ $in_help=1;
+ } elsif ($token->[1] eq 'allow') {
+ $key = $tag.'.allow';
+ }
+ if (defined($key)) {
+ $insertlist{$key} = $parser->get_text();
+ $insertlist{$key} =~ s/(^\s*|\s*$ )//gx;
+ }
+ } elsif ($token->[0] eq 'E') {
+ if ($token->[1] eq 'tag') {
+ undef($tag);
+ $tagnum++;
+ } elsif ($token->[1] eq 'help') {
+ undef($in_help);
+ }
+ }
}
- }
- $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);
+
+ # parse the allows and ignore tags set to no
+ foreach my $tag (@alltags) {
+ next if (!exists($insertlist{"$tag.allow"}));
+ my $allow = $insertlist{"$tag.allow"};
+ foreach my $element (split(',',$allow)) {
+ $element =~ s/(^\s*|\s*$ )//gx;
+ if (!exists($insertlist{"$element.show"})
+ || $insertlist{"$element.show"} ne 'no') {
+ push(@{ $insertlist{$tag.'.which'} },$element);
+ }
}
- }
}
- $tagnum++;
- }
+}
+
+sub register_insert {
+ return ®ister_insert_xml(@_);
+# &dump_insertlist('2');
+}
+
+sub dump_insertlist {
+ my ($ext) = @_;
+ open(XML,">/tmp/insertlist.xml.$ext");
+ print XML ("");
+ my $i=0;
+
+ while (exists($insertlist{"$i.tag"})) {
+ my $tag = $insertlist{"$i.tag"};
+ print XML ("
+\t");
+ if (defined($insertlist{"$tag.description"})) {
+ print XML ("
+\t\t".$insertlist{"$tag.description"}." ");
+ }
+ if (defined($insertlist{"$tag.color"})) {
+ print XML ("
+\t\t".$insertlist{"$tag.color"}." ");
+ }
+ if (defined($insertlist{"$tag.function"})) {
+ print XML ("
+\t\t".$insertlist{"$tag.function"}." ");
+ }
+ if (defined($insertlist{"$tag.show"})
+ && $insertlist{"$tag.show"} ne 'yes') {
+ print XML ("
+\t\t".$insertlist{"$tag.show"}." ");
+ }
+ if (defined($insertlist{"$tag.helpfile"})) {
+ print XML ("
+\t\t
+\t\t\t".$insertlist{"$tag.helpfile"}." ");
+ if ($insertlist{"$tag.helpdesc"} ne '') {
+ print XML ("
+\t\t\t".$insertlist{"$tag.helpdesc"}." ");
+ }
+ print XML ("
+\t\t ");
+ }
+ if (defined($insertlist{"$tag.which"})) {
+ print XML ("
+\t\t".join(',',sort(@{ $insertlist{"$tag.which"} }))." ");
+ }
+ print XML ("
+\t ");
+ $i++;
+ }
+ print XML ("\n \n");
+ close(XML);
}
sub description {
- my ($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'};
+ my ($token)=@_;
+ my $tag = &get_tag($token);
+ return $insertlist{$tag.'.description'};
}
-# ----------------------------------------------------------------- whichuser
-# returns a list of $symb, $courseid, $domain, $name that is correct for
-# calls to lonnet functions for this setup.
-# - looks for form.grade_ parameters
-sub whichuser {
- my ($symb,$courseid,$domain,$name,$publicuser);
- if (defined($ENV{'form.grade_symb'})) {
- my $tmp_courseid=$ENV{'form.grade_courseid'};
- my $allowed=&Apache::lonnet::allowed('mgr',$tmp_courseid);
- if ($allowed) {
- $symb=$ENV{'form.grade_symb'};
- $courseid=$ENV{'form.grade_courseid'};
- $domain=$ENV{'form.grade_domain'};
- $name=$ENV{'form.grade_username'};
+# Returns a list containing the help file, and the description
+sub helpinfo {
+ my ($token)=@_;
+ my $tag = &get_tag($token);
+ return ($insertlist{$tag.'.helpfile'}, $insertlist{$tag.'.helpdesc'});
+}
+
+sub get_tag {
+ my ($token)=@_;
+ my $tagnum;
+ my $tag=$token->[1];
+ foreach my $namespace (reverse(@Apache::lonxml::namespace)) {
+ my $testtag = $namespace.'::'.$tag;
+ $tagnum = $insertlist{"$testtag.num"};
+ last if (defined($tagnum));
}
- } else {
- $symb=&Apache::lonnet::symbread();
- $courseid=$ENV{'request.course.id'};
- $domain=$ENV{'user.domain'};
- $name=$ENV{'user.name'};
- if ($name eq 'public' && $domain eq 'public') {
- if (!defined($ENV{'form.username'})) {
- $ENV{'form.username'}.=time.rand(10000000);
- }
- $name.=$ENV{'form.username'};
- }
- }
- return ($symb,$courseid,$domain,$name,$publicuser);
+ if (!defined($tagnum)) {
+ $tagnum = $Apache::lonxml::insertlist{"$tag.num"};
+ }
+ return $insertlist{"$tagnum.tag"};
}
1;