--- loncom/xml/lonxml.pm 2004/06/04 14:03:57 1.321
+++ loncom/xml/lonxml.pm 2004/12/03 22:14:22 1.349
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# XML Parser Module
#
-# $Id: lonxml.pm,v 1.321 2004/06/04 14:03:57 www Exp $
+# $Id: lonxml.pm,v 1.349 2004/12/03 22:14:22 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -51,7 +51,7 @@ use Math::Cephes();
use Math::Random();
use Opcode();
use POSIX qw(strftime);
-
+use Time::HiRes qw( gettimeofday tv_interval );
sub register {
my ($space,@taglist) = @_;
@@ -150,6 +150,7 @@ $Apache::lonxml::warnings_error_header='
sub xmlbegin {
my $output='';
+ @htmlareafields=();
if ($ENV{'browser.mathml'}) {
$output=''
.''
@@ -158,19 +159,28 @@ sub xmlbegin {
.'';
} else {
- $output='';
+ $output='
+';
}
return $output;
}
sub xmlend {
+ my ($target,$parser)=@_;
my $mode='xml';
my $status='OPEN';
if ($Apache::lonhomework::parsing_a_problem) {
$mode='problem';
$status=$Apache::inputtags::status[-1];
}
- return &Apache::lonfeedback::list_discussion($mode,$status).'';
+ my $discussion=&Apache::lonfeedback::list_discussion($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 '';
+ } else {
+ return $discussion.'';
+ }
}
sub tokeninputfield {
@@ -278,7 +288,7 @@ sub fontsettings() {
my $headerstring='';
if (($ENV{'browser.os'} eq 'mac') && (!$ENV{'browser.mathml'})) {
$headerstring.=
- '';
+ '';
} elsif (!$ENV{'browser.mathml'} && $ENV{'browser.unicode'}) {
$headerstring.=
'';
@@ -311,13 +321,15 @@ sub xmlparse {
my $bodytext=
$ENV{'course.'.$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);
@@ -388,8 +400,10 @@ sub latex_special_symbols {
} else {
$string=~s/\\/\\ensuremath{\\backslash}/g;
$string=~s/([^\\]|^)\%/$1\\\%/g;
- $string=~s/([^\\]|^)(\$|_)/$1\\$2/g;
+ $string=~s/([^\\]|^)\$/$1\\\$/g;
+ $string=~s/([^\\])\_/$1\\_/g;
$string=~s/\$\$/\$\\\$/g;
+ $string=~s/\_\_/\_\\\_/g;
$string=~s/\#\#/\#\\\#/g;
$string=~s/([^\\]|^)(\~|\^)/$1\\$2\\strut /g;
$string=~s/(>|<)/\\ensuremath\{$1\}/g; #more or less
@@ -397,6 +411,7 @@ sub latex_special_symbols {
# any & or # leftover should be safe to just escape
$string=~s/([^\\]|^)\&/$1\\\&/g;
$string=~s/([^\\]|^)\#/$1\\\#/g;
+ $string=~s/\|/\$\\mid\$/g;
#single { or } How to escape?
}
return $string;
@@ -604,6 +619,7 @@ sub setup_globals {
my ($request,$target)=@_;
$Apache::lonxml::request=$request;
$Apache::lonxml::registered = 0;
+ @Apache::lonxml::htmlareafields=();
$errorcount=0;
$warningcount=0;
$Apache::lonxml::default_homework_loaded=0;
@@ -662,7 +678,9 @@ sub init_safespace {
$safehole->wrap(\&Apache::scripttag::xmlparse,$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');
+
$safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin');
$safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos');
$safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan');
@@ -736,9 +754,11 @@ sub init_safespace {
$safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed');
$safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR');
$safehole->wrap(\&Apache::lonxml::debug,$safeeval,'&LONCAPA_INTERNAL_DEBUG');
+ $safehole->wrap(\&Apache::caparesponse::get_sigrange,$safeeval,'&LONCAPA_INTERNAL_get_sigrange');
#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();
@@ -747,27 +767,6 @@ sub init_safespace {
&Apache::lonxml::debug("Setting rndseed to $rndseed");
&Apache::run::run($safeinit,$safeeval);
- my $subroutine=<<'EVALUATESUB';
-sub __LC_INTERNAL_EVALUATE__ {
- my ($__LC__a,$__LC__b,$__LC__c)=@_;
- my $__LC__prefix;
- while(1){
- {
- use strict;
- no strict "vars";
- if (eval(defined(eval($__LC__a.$__LC__b)))) {
- return $__LC__prefix.eval($__LC__a.$__LC__b.$__LC__c);
- }
- }
- $__LC__prefix.=substr($__LC__a,0,1,"");
- if ($__LC__a!~/^(\$|&|\#)/) { last; }
- }
- return $__LC__prefix.$__LC__a.$__LC__b.$__LC__c;
-}
-EVALUATESUB
- $safeeval->permit("require");
- $safeeval->reval($subroutine);
- $safeeval->deny("require");
}
sub default_homework_load {
@@ -782,18 +781,26 @@ sub default_homework_load {
}
}
+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 debuging information:".join ":",caller);
+ return '';
+ }
+ $Apache::lonxml::redirection--;
+ if (!$Apache::lonxml::redirection) {
+ $Apache::lonxml::metamode=$metamode_was;
+ }
+ pop @Apache::lonxml::outputstack;
}
sub end_tag {
@@ -809,6 +816,8 @@ sub initdepth {
$Apache::lonxml::olddepth=-1;
}
+my @timers;
+my $lasttime;
sub increasedepth {
my ($token) = @_;
$Apache::lonxml::depth++;
@@ -816,8 +825,15 @@ sub increasedepth {
if ($Apache::lonxml::depthcounter[$Apache::lonxml::depth]==1) {
$Apache::lonxml::olddepth=$Apache::lonxml::depth;
}
+ my $time;
+ if ($Apache::lonxml::debug eq "1") {
+ push(@timers,[&gettimeofday()]);
+ $time=&tv_interval($lasttime);
+ $lasttime=[&gettimeofday()];
+ }
+ my $spacing=' 'x($Apache::lonxml::depth-1);
my $curdepth=join('_',@Apache::lonxml::depthcounter);
- &Apache::lonxml::debug("s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n");
+ &Apache::lonxml::debug("s$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1] : $time : \n");
#print "
s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n";
}
@@ -832,37 +848,44 @@ sub decreasedepth {
&Apache::lonxml::warning(&mt("Missing tags, unable to properly run file."));
$Apache::lonxml::depth='-1';
}
+ my ($timer,$time);
+ if ($Apache::lonxml::debug eq "1") {
+ $timer=pop(@timers);
+ $time=&tv_interval($lasttime);
+ $lasttime=[&gettimeofday()];
+ }
+ my $spacing=' 'x$Apache::lonxml::depth;
my $curdepth=join('_',@Apache::lonxml::depthcounter);
- &Apache::lonxml::debug("e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n");
+ &Apache::lonxml::debug("e$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1] : $time : ".&tv_interval($timer)."\n");
#print "
e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n";
}
sub get_all_text_unbalanced {
#there is a copy of this in lonpublisher.pm
- my($tag,$pars)= @_;
- my $token;
- my $result='';
- $tag='<'.$tag.'>';
- while ($token = $$pars[-1]->get_token) {
- if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
- $result.=$token->[1];
- } elsif ($token->[0] eq 'PI') {
- $result.=$token->[2];
- } elsif ($token->[0] eq 'S') {
- $result.=$token->[4];
- } elsif ($token->[0] eq 'E') {
- $result.=$token->[2];
- }
- if ($result =~ /(.*)\Q$tag\E(.*)/is) {
- &Apache::lonxml::debug('Got a winner with leftovers ::'.$2);
- &Apache::lonxml::debug('Result is :'.$1);
- $result=$1;
- my $redo=$tag.$2;
- &Apache::lonxml::newparser($pars,\$redo);
- last;
- }
- }
- return $result
+ my($tag,$pars)= @_;
+ my $token;
+ my $result='';
+ $tag='<'.$tag.'>';
+ while ($token = $$pars[-1]->get_token) {
+ if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
+ $result.=$token->[1];
+ } elsif ($token->[0] eq 'PI') {
+ $result.=$token->[2];
+ } elsif ($token->[0] eq 'S') {
+ $result.=$token->[4];
+ } elsif ($token->[0] eq 'E') {
+ $result.=$token->[2];
+ }
+ if ($result =~ /\Q$tag\E/is) {
+ ($result,my $redo)=$result =~ /(.*)\Q$tag\E(.*)/is;
+ #&Apache::lonxml::debug('Got a winner with leftovers ::'.$2);
+ #&Apache::lonxml::debug('Result is :'.$1);
+ $redo=$tag.$redo;
+ &Apache::lonxml::newparser($pars,\$redo);
+ last;
+ }
+ }
+ return $result
}
sub increment_counter {
@@ -1006,6 +1029,8 @@ sub parstring {
unless ($_=~/\W/) {
my $val=$token->[2]->{$_};
$val =~ s/([\%\@\\\"\'])/\\$1/g;
+ $val =~ s/(\$[^{a-zA-Z_])/\\$1/g;
+ $val =~ s/(\$)$/\\$1/;
#if ($val =~ m/^[\%\@]/) { $val="\\".$val; }
$temp .= "my \$$_=\"$val\";";
}
@@ -1128,24 +1153,37 @@ sub inserteditinfo {
$filecontents = &HTML::Entities::encode($filecontents,'<>&"');
# my $editheader='Edit below
';
my $xml_help = '';
- my $activate='';
my $initialize='';
if ($filetype eq 'html') {
- $initialize=&Apache::lonhtmlcommon::htmlareaheaders().(<
+$addbuttons
+
HTMLArea.loadPlugin("FullPage");
function initDocument() {
- var editor=new HTMLArea("editor");
+ var editor=new HTMLArea("filecont",config);
editor.registerPlugin(FullPage);
editor.generate();
}
FULLPAGE
+ } else {
+ $initialize.=(<
+$addbuttons
+ function initDocument() {
+ }
+
+FULLPAGE
+ }
$result=~s/\]*)\>/\/i;
$xml_help=&Apache::loncommon::helpLatexCheatsheet();
-#FIXME: need to install FullPage plugin during install
-# $activate=&Apache::lonhtmlcommon::htmlareaactive();
}
my $cleanbut = '';
if ($filetype eq 'html') {
@@ -1161,11 +1199,13 @@ $cleanbut
BUTTONS
+ $buttons.=&Apache::lonhtmlcommon::spelllink('xmledit','filecont');
+ $buttons.=&Apache::lonhtmlcommon::htmlareaselectactive('filecont');
my $editfooter=(<
-
$titledisplay
-$activate
ENDFOOTER
# $result=~s/(\]*\>)/$1$editheader/is;
@@ -1263,7 +1302,7 @@ $bodytag
ENDNOTFOUND
- $filecontents='';
+ $filecontents='';
if ($ENV{'request.state'} ne 'published') {
if ($filetype eq 'sty') {
$filecontents=&createnewsty();
@@ -1274,6 +1313,10 @@ ENDNOTFOUND
}
} else {
unless ($ENV{'request.state'} eq 'published') {
+ if ($filecontents=~/BEGIN LON-CAPA Internal/) {
+ &Apache::lonxml::error(&mt('This file appears to be a rendering of a Lon-CAPA resource. If this is correct, this resource will act very oddly and incorrectly.'));
+ }
+
if ($ENV{'form.attemptclean'}) {
$filecontents=&htmlclean($filecontents,1);
}
@@ -1295,7 +1338,11 @@ ENDNOTFOUND
if ($ENV{'form.editmode'} && (!($ENV{'form.viewmode'}))) {
my $displayfile=$request->uri;
$displayfile=~s/^\/[^\/]*//;
- $result=''.
+ my $bodytag='';
+ if ($ENV{'environment.remote'} eq 'off') {
+ $bodytag=&Apache::loncommon::bodytag();
+ }
+ $result=''.$bodytag.
&Apache::lonxml::message_location().''.
$displayfile.
'
';
@@ -1330,42 +1377,61 @@ sub debug {
my $request=$Apache::lonxml::request;
if (!$request) { $request=Apache->request; }
$request->print('DEBUG:'.&HTML::Entities::encode($_[0],'<>&"')."
\n");
+ #&Apache::lonnet::logthis($_[0]);
}
}
+sub show_error_warn_msg {
+ return (($Apache::lonxml::debug eq 1) ||
+ ($ENV{'request.state'} eq 'construct') ||
+ ($Apache::lonhomework::browse eq 'F'
+ &&
+ $ENV{'form.show_errors'} eq 'on'));
+}
+
sub error {
- $errorcount++;
- my $request=$Apache::lonxml::request;
- if (!$request) { $request=Apache->request; }
- if (($Apache::lonxml::debug eq 1) || ($ENV{'request.state'} eq 'construct') ) {
- # If printing in construction space, put the error inside
- push(@Apache::lonxml::error_messages,
- $Apache::lonxml::warnings_error_header.
- "ERROR:".join("
\n",@_)."
\n");
- $Apache::lonxml::warnings_error_header='';
- } else {
- push(@Apache::lonxml::error_messages,
- "An Error occured while processing this resource. The instructor has been notified.
");
- #notify author
- &Apache::lonmsg::author_res_msg($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('
',@_));
- }
+ $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
+ $errormsg=&mt("An error occured while processing this resource. The author has been notified.");
+ }
+ #notify author
+ &Apache::lonmsg::author_res_msg($ENV{'request.filename'},join('
',@_));
+ #notify course
+ if ( $symb && $ENV{'request.course.id'} ) {
+ my (undef,%users)=&Apache::lonfeedback::decide_receiver(undef,0,1,1,1);
+ my $declutter=&Apache::lonnet::declutter($ENV{'request.filename'});
+ my @userlist;
+ foreach (keys %users) {
+ my ($user,$domain) = split(/:/, $_);
+ push(@userlist,"$user\@$domain");
+ &Apache::lonmsg::user_normal_msg($user,$domain,
+ "Error [$declutter]",join('
',@_));
+ }
+ 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{'form.grade_target'} ne 'tex') {
- if ($ENV{'request.state'} eq 'construct' || $Apache::lonxml::debug) {
+ if ( &show_error_warn_msg() ) {
my $request=$Apache::lonxml::request;
if (!$request) { $request=Apache->request; }
push(@Apache::lonxml::warning_messages,
@@ -1442,7 +1508,7 @@ sub get_param_var {
} 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($result[0])) {
@@ -1532,6 +1598,12 @@ sub whichuser {
if (defined($ENV{'form.grade_symb'})) {
my $tmp_courseid=$ENV{'form.grade_courseid'};
my $allowed=&Apache::lonnet::allowed('vgr',$tmp_courseid);
+ if (!$allowed &&
+ exists($ENV{'request.course.sec'}) &&
+ $ENV{'request.course.sec'} !~ /^\s*$/) {
+ $allowed=&Apache::lonnet::allowed('vgr',$ENV{'form.grade_courseid'}.
+ '/'.$ENV{'request.course.sec'});
+ }
if ($allowed) {
$symb=$ENV{'form.grade_symb'};
$courseid=$ENV{'form.grade_courseid'};