--- loncom/xml/lonxml.pm 2002/11/13 23:21:07 1.215
+++ loncom/xml/lonxml.pm 2003/03/30 21:58:17 1.243
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# XML Parser Module
#
-# $Id: lonxml.pm,v 1.215 2002/11/13 23:21:07 albertel Exp $
+# $Id: lonxml.pm,v 1.243 2003/03/30 21:58:17 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -41,7 +41,6 @@
# 6/1/1 Gerd Kortemeyer
# 2/21,3/13 Guy
# 3/29,5/4 Gerd Kortemeyer
-# 5/10 Scott Harrison
# 5/26 Gerd Kortemeyer
# 5/27 H. K. Ng
# 6/2,6/3,6/8,6/9 Gerd Kortemeyer
@@ -101,6 +100,7 @@ use Apache::File();
use Apache::loncommon();
use Apache::lonfeedback();
use Apache::lonmsg();
+use Apache::loncacc();
#================================================== Main subroutine: xmlparse
#debugging control, to turn on debugging modify the correct handler
@@ -144,8 +144,8 @@ $Apache::lonxml::registered=0;
# a pointer the the Apache request object
$Apache::lonxml::request='';
-# a problem number counter, and check on hether it is used
-$Apache::lonxml::counter=0;
+# a problem number counter, and check on ether it is used
+$Apache::lonxml::counter=1;
$Apache::lonxml::counter_changed=0;
#internal check on whether to look at style defs
@@ -191,10 +191,18 @@ sub xmlend {
my $idx;
for ($idx=1;$idx<=$contrib{'version'};$idx++) {
my $hidden=($contrib{'hidden'}=~/\.$idx\./);
- unless (($hidden) && (!$seeid)) {
+ my $deleted=($contrib{'deleted'}=~/\.$idx\./);
+ unless ((($hidden) && (!$seeid)) || ($deleted)) {
my $message=$contrib{$idx.':message'};
$message=~s/\n/\<br \/\>/g;
$message=&Apache::lontexconvert::msgtexconverted($message);
+ if ($contrib{$idx.':attachmenturl'}) {
+ my ($fname,$ft)
+ =($contrib{$idx.':attachmenturl'}=~/\/(\w+)\.(\w+)$/);
+ $message.='<p>Attachment: <a href="'.
+ &Apache::lonnet::tokenwrapper($contrib{$idx.':attachmenturl'}).
+ '"><tt>'.$fname.'.'.$ft.'</tt></a>';
+ }
if ($message) {
if ($hidden) {
$message='<font color="#888888">'.$message.'</font>';
@@ -225,8 +233,10 @@ sub xmlend {
} else {
$sender.=' <a href="/adm/feedback?hide='.
$symb.':::'.$idx.'">Hide</a>';
- }
- }
+ }
+ $sender.=' <a href="/adm/feedback?deldisc='.
+ $symb.':::'.$idx.'">Delete</a>';
+ }
} else {
if ($screenname) {
$sender='<i>'.$screenname.'</i>';
@@ -245,7 +255,7 @@ sub xmlend {
}
if ($discussiononly) {
$discussion.=(<<ENDDISCUSS);
-<form action="/adm/feedback" method="post" name="mailform">
+<form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data">
<input type="submit" name="discuss" value="Post Discussion" />
<input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />
<input type="hidden" name="symb" value="$symb" />
@@ -254,6 +264,9 @@ sub xmlend {
<font size="1">Note: in anonymous discussion, your name is visible only to
course faculty</font><br />
<textarea name=comment cols=60 rows=10 wrap=hard></textarea>
+<p>
+Attachment (128 KB max size): <input type="file" name="attachment" />
+</p>
</form>
ENDDISCUSS
$discussion.=&Apache::lonfeedback::generate_preview_button();
@@ -267,7 +280,7 @@ sub tokeninputfield {
my $defhost=$Apache::lonnet::perlvar{'lonHostID'};
$defhost=~tr/a-z/A-Z/;
return (<<ENDINPUTFIELD)
-<script>
+<script type="text/javascript">
function updatetoken() {
var comp=new Array;
var barcode=unescape(document.tokeninput.barcode.value);
@@ -351,7 +364,7 @@ sub printtokenheader {
if ($target eq 'web') {
my %idhash=&Apache::lonnet::idrget($tudom,($tuname));
return
- '<img align="right" src="/cgi-bin/barcode.gif?encode='.$token.'" />'.
+ '<img align="right" src="/cgi-bin/barcode.png?encode='.$token.'" />'.
'Checked out for '.$plainname.
'<br />User: '.$tuname.' at '.$tudom.
'<br />ID: '.$idhash{$tuname}.
@@ -373,153 +386,6 @@ sub fontsettings() {
return $headerstring;
}
-sub registerurl {
- my $forcereg=shift;
- my $target = shift;
- my $result = '';
-
- if ($target eq 'edit') {
- $result .="<script>\n".
- "if (typeof menu != 'undefined') {menu.currentURL=null;}\n".
- &Apache::loncommon::browser_and_searcher_javascript().
- "\n</script>\n";
- }
- if ((($ENV{'request.publicaccess'}) ||
- (!&Apache::lonnet::is_on_map($ENV{'REQUEST_URI'}))) &&
- (!$forcereg)) {
- return $result.
- '<script>function LONCAPAreg(){} function LONCAPAstale(){}</script>';
- }
- if ($Apache::lonxml::registered && !$forcereg) { return ''; }
- $Apache::lonxml::registered=1;
- my $nothing='';
- if ($ENV{'browser.type'} eq 'explorer') { $nothing='javascript:void(0);'; }
- my $newmail='';
- if (&Apache::lonmsg::newmail()) {
- $newmail='menu.setstatus("you have","messages");';
- }
- my $timesync='menu.syncclock(1000*'.time.');';
- if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
- my $hwkadd='';
- if ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
- if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
- $hwkadd.=(<<ENDSUBM);
- menu.switchbutton(7,1,'subm.gif','view sub','missions','gocmd("/adm/grades","submission")',
- 'View user submissions for this assessment resource');
-ENDSUBM
- }
- if (&Apache::lonnet::allowed('mgr',$ENV{'request.course.id'})) {
- $hwkadd.=(<<ENDGRDS);
- menu.switchbutton(7,2,'pgrd.gif','problem','grades','gocmd("/adm/grades","gradingmenu")',
- 'Modify user grades for this assessment resource');
-ENDGRDS
- }
- if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
- $hwkadd.=(<<ENDPARM);
- menu.switchbutton(7,3,'pparm.gif','problem','parms','gocmd("/adm/parmset","set")',
- 'Modify deadlines, etc, for this assessment resource');
-ENDPARM
- }
- }
- $result = (<<ENDREGTHIS);
-
-<script language="JavaScript">
-// BEGIN LON-CAPA Internal
-
- function LONCAPAreg() {
- menu=window.open("$nothing","LONCAPAmenu","",false);
- menu.clearTimeout(menu.menucltim);
- $timesync
- $newmail
- menu.currentURL=window.location.pathname;
- menu.reloadURL=window.location.pathname;
- menu.currentSymb="$ENV{'request.symb'}";
- menu.reloadSymb="$ENV{'request.symb'}";
- menu.currentStale=0;
- menu.clearbut(3,1);
- menu.switchbutton
- (6,3,'catalog.gif','catalog','info','catalog_info()');
- menu.switchbutton
- (8,1,'eval.gif','evaluate','this','gopost("/adm/evaluate",currentURL)','Provide my evaluation of this resource');
- menu.switchbutton
- (8,2,'fdbk.gif','feedback','discuss','gopost("/adm/feedback",currentURL)','Provide feedback messages or contribute to the course discussion about this resource');
- menu.switchbutton
- (8,3,'prt.gif','prepare','printout','gopost("/adm/printout",currentURL)','Prepare a printable document');
- menu.switchbutton
- (2,1,'back.gif','backward','','gopost("/adm/flip","back:"+currentURL)','Go to the previous resource in the course sequence');
- menu.switchbutton
- (2,3,'forw.gif','forward','','gopost("/adm/flip","forward:"+currentURL)','Go to the next resource in the course sequence');
- menu.switchbutton
- (9,1,'sbkm.gif','set','bookmark','set_bookmark()','Set a bookmark for this resource');
- menu.switchbutton
- (9,2,'vbkm.gif','view','bookmark','edit_bookmarks()','Use or edit my bookmark collection');
- menu.switchbutton
- (9,3,'anot.gif','anno-','tations','annotate()','Make notes and annotations about this resource');
- $hwkadd
- }
-
- function LONCAPAstale() {
- menu=window.open("$nothing","LONCAPAmenu","",false);
- menu.currentStale=1;
- if (menu.reloadURL!='' && menu.reloadURL!= null) {
- menu.switchbutton
- (3,1,'reload.gif','return','location','go(reloadURL)','Return to the last known location in the course sequence');
- }
- menu.clearbut(7,1);
- menu.clearbut(7,2);
- menu.clearbut(7,3);
- menu.menucltim=menu.setTimeout(
- 'clearbut(2,1);clearbut(2,3);clearbut(8,1);clearbut(8,2);clearbut(8,3);'+
- 'clearbut(9,1);clearbut(9,2);clearbut(9,3);clearbut(6,3)',
- 2000);
-
- }
-
-// END LON-CAPA Internal
-</script>
-ENDREGTHIS
-
- } else {
- $result = (<<ENDDONOTREGTHIS);
-
-<script language="JavaScript">
-// BEGIN LON-CAPA Internal
-
- function LONCAPAreg() {
- menu=window.open("$nothing","LONCAPAmenu","",false);
- $timesync
- menu.currentStale=1;
- menu.clearbut(2,1);
- menu.clearbut(2,3);
- menu.clearbut(8,1);
- menu.clearbut(8,2);
- menu.clearbut(8,3);
- if (menu.currentURL) {
- menu.switchbutton
- (3,1,'reload.gif','return','location','go(currentURL)');
- } else {
- menu.clearbut(3,1);
- }
- }
-
- function LONCAPAstale() {
- }
-
-// END LON-CAPA Internal
-</script>
-ENDDONOTREGTHIS
- }
- return $result;
-}
-
-sub loadevents() {
- return 'LONCAPAreg();';
-}
-
-sub unloadevents() {
- return 'LONCAPAstale();';
-}
-
sub printalltags {
my $temp;
foreach $temp (sort keys %Apache::lonxml::alltags) {
@@ -532,6 +398,9 @@ sub xmlparse {
my ($request,$target,$content_file_string,$safeinit,%style_for_target) = @_;
&setup_globals($request,$target);
+ &Apache::inputtags::initialize_inputtags();
+ &Apache::outputtags::initialize_outputtags();
+ &Apache::edit::initialize_edit();
#
# do we have a course style file?
#
@@ -597,18 +466,22 @@ sub htmlclean {
}
sub latex_special_symbols {
- my ($current_token,$stack,$parstack)=@_;
- $current_token=~s/\\/\\char92 /g;
- $current_token=~s/\^/\\char94 /g;
- $current_token=~s/\~/\\char126 /g;
- $current_token=~s/(&[^a-z\#])/\\$1/g;
- $current_token=~s/([^&])\#/$1\\#/g;
- $current_token=~s/(\$|_|{|})/\\$1/g;
- $current_token=~s/\\char92 /\\texttt{\\char92}/g;
- $current_token=~s/>/\$>\$/g; #more
- $current_token=~s/</\$<\$/g; #less
- if ($current_token=~m/\d%/) {$current_token =~ s/(\d)%/$1\\%/g;} #percent after digit
- if ($current_token=~m/\s%/) {$current_token =~ s/(\s)%/$1\\%/g;} #persent after space
+ my ($current_token,$stack,$parstack,$where)=@_;
+ if ($where eq 'header') {
+ $current_token =~ s/(\\|_|\^)/ /g;
+ $current_token =~ s/(\$|%|\#|&|\{|\})/\\$1/g;
+ } else {
+ $current_token=~s/\\ /\\char92 /g;
+ $current_token=~s/\^/\\char94 /g;
+ $current_token=~s/\~/\\char126 /g;
+ $current_token=~s/(&[^a-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
+ }
return $current_token;
}
@@ -623,8 +496,8 @@ sub inner_xmlparse {
if ($metamode<1) {
my $text=$token->[1];
if ($token->[0] eq 'C' && $target eq 'tex') {
- $text = '%'.$text;
- $text =~ s/[\n\r]//g;
+ $text = '';
+# $text = '%'.$text."\n";
}
$result.=$text;
}
@@ -702,7 +575,7 @@ sub inner_xmlparse {
if ($token->[0] eq 'E') {
&end_tag($stack,$parstack,$token);
}
- }
+ }
if ($#$pars > -1) {
pop @$pars;
pop @Apache::lonxml::pwd;
@@ -716,7 +589,7 @@ sub inner_xmlparse {
if (($ENV{'QUERY_STRING'}) && ($target eq 'web')) {
$finaloutput=&afterburn($finaloutput);
- }
+ }
return $finaloutput;
}
@@ -728,6 +601,8 @@ sub callsub {
my $sub1;
no strict 'refs';
my $tag=$token->[1];
+# get utterly rid of extended html tags
+ if ($tag=~/^x\-/i) { return ''; }
my $space=$Apache::lonxml::alltags{$tag}[-1];
if (!$space) {
$tag=~tr/A-Z/a-z/;
@@ -744,13 +619,13 @@ sub callsub {
}
if (!$deleted) {
if ($space) {
- &Apache::lonxml::debug("Calling sub $sub in $space $metamode");
+ #&Apache::lonxml::debug("Calling sub $sub in $space $metamode");
$sub1="$space\:\:$sub";
($currentstring,$nodefault) = &$sub1($target,$token,$tagstack,
$parstack,$parser,$safeeval,
$style);
} else {
- &Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode");
+ #&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode");
if ($metamode <1) {
if (defined($token->[4]) && ($metamode < 1)) {
$currentstring = $token->[4];
@@ -762,7 +637,7 @@ sub callsub {
# &Apache::lonxml::debug("nodefalt:$nodefault:");
if ($currentstring eq '' && $nodefault eq '') {
if ($target eq 'edit') {
- &Apache::lonxml::debug("doing default edit for $token->[1]");
+ #&Apache::lonxml::debug("doing default edit for $token->[1]");
if ($token->[0] eq 'S') {
$currentstring = &Apache::edit::tag_start($target,$token);
} elsif ($token->[0] eq 'E') {
@@ -930,7 +805,7 @@ sub default_homework_load {
my ($safeeval)=@_;
&Apache::lonxml::debug('Loading default_homework');
my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/default_homework.lcpm');
- if ($default == -1) {
+ if ($default eq -1) {
&Apache::lonxml::error("<b>Unable to find <i>default_homework.lcpm</i></b>");
} else {
&Apache::run::run($default,$safeeval);
@@ -1029,7 +904,7 @@ sub increment_counter {
sub init_counter {
if (defined($ENV{'form.counter'})) {
$Apache::lonxml::counter=$ENV{'form.counter'};
- } elsif (not defined($Apache::lonxml::counter)) {
+ } else {
$Apache::lonxml::counter=1;
&store_counter();
}
@@ -1044,7 +919,9 @@ sub store_counter {
sub get_all_text {
my($tag,$pars)= @_;
&Apache::lonxml::debug("Got a ".ref($pars));
+ my $gotfullstack=1;
if (ref($pars) ne 'ARRAY') {
+ $gotfullstack=0;
$pars=[$pars];
}
my $depth=0;
@@ -1053,7 +930,8 @@ sub get_all_text {
if ( $tag =~ m:^/: ) {
my $tag=substr($tag,1);
#&Apache::lonxml::debug("have:$tag:");
- while (($depth >=0) && ($#$pars > -1)) {
+ my $top_empty=0;
+ while (($depth >=0) && ($#$pars > -1) && (!$top_empty)) {
while (($depth >=0) && ($token = $$pars[-1]->get_token)) {
#&Apache::lonxml::debug("e token:$token->[0]:$depth:$token->[1]:".$#$pars.":".$#Apache::lonxml::pwd);
if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
@@ -1071,11 +949,21 @@ sub get_all_text {
}
}
}
+ if (($depth >=0) && ($#$pars == 0) ) { $top_empty=1; }
if (($depth >=0) && ($#$pars > 0) ) {
pop(@$pars);
pop(@Apache::lonxml::pwd);
}
}
+ if ($top_empty && $depth >= 0) {
+ #never found the end tag ran out of text, throw error send back blank
+ &error('Never found end tag for <'.$tag.'>');
+ if ($gotfullstack) {
+ my $newstring='</'.$tag.'>'.$result;
+ &Apache::lonxml::newparser($pars,\$newstring);
+ }
+ $result='';
+ }
} else {
while ($#$pars > -1) {
while ($token = $$pars[-1]->get_token) {
@@ -1127,7 +1015,7 @@ sub parstring {
foreach (@{$token->[3]}) {
unless ($_=~/\W/) {
my $val=$token->[2]->{$_};
- $val =~ s/([\%\@\\\"])/\\$1/g;
+ $val =~ s/([\%\@\\\"\'])/\\$1/g;
#if ($val =~ m/^[\%\@]/) { $val="\\".$val; }
$temp .= "my \$$_=\"$val\";"
}
@@ -1181,7 +1069,7 @@ sub afterburn {
$matchthis=~s/\_+/\\s\+/g;
$result=~s/($matchthis)/\<a name=\"$anchorname\"\>$1\<\/a\>/s;
$result.=(<<"ENDSCRIPT");
-<script>
+<script type="text/javascript">
document.location.hash='$anchorname';
</script>
ENDSCRIPT
@@ -1222,6 +1110,13 @@ sub inserteditinfo {
my ($result,$filecontents)=@_;
$filecontents = &HTML::Entities::encode($filecontents);
# my $editheader='<a href="#editsection">Edit below</a><hr />';
+ my $xml_help = '<table><tr><td>'.
+ &Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols',
+ undef,undef,600)
+ .'</td><td>'.
+ &Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols',
+ undef,undef,600)
+ .'</td></tr></table>';
my $buttons=(<<BUTTONS);
<input type="submit" name="attemptclean"
value="Save and then attempt to clean HTML" />
@@ -1232,6 +1127,7 @@ BUTTONS
<hr />
<a name="editsection" />
<form method="post">
+$xml_help
<input type="hidden" name="editmode" value="Edit" />
$buttons<br />
<textarea cols="80" rows="40" name="filecont">$filecontents</textarea>
@@ -1301,7 +1197,7 @@ sub handler {
my %mystyle;
my $result = '';
my $filecontents=&Apache::lonnet::getfile($file);
- if ($filecontents == -1) {
+ if ($filecontents eq -1) {
$result=(<<ENDNOTFOUND);
<html>
<head>
@@ -1417,14 +1313,22 @@ sub get_param_var {
if ( ! $context ) { $context = -1; }
my $args ='';
if ( $#$parstack > (-2-$context) ) { $args=$$parstack[$context]; }
+ &Apache::lonxml::debug("Args are $args param is $param");
if ($case_insensitive) {
if (! ($args=~s/(my \$)(\Q$param\E)(=\")/$1.lc($2).$3/ei)) {
return undef;
}
} elsif ( $args !~ /my \$\Q$param\E=\"/ ) { return undef; }
my $value=&Apache::run::run("{$args;".'return $'.$param.'}',$safeeval); #'
- if ($value =~ /^[\$\@\%]/) {
- return &Apache::run::run("return $value",$safeeval,1);
+ &Apache::lonxml::debug("first run is $value");
+ if ($value =~ /^[\$\@\%]\w+$/) {
+ &Apache::lonxml::debug("doing second");
+ my @result=&Apache::run::run("return $value",$safeeval,1);
+ if (!defined($result[0])) {
+ return $value
+ } else {
+ if (wantarray) { return @result; } else { return $result[0]; }
+ }
} else {
return $value;
}