--- loncom/xml/lonxml.pm 2002/07/29 22:06:38 1.186
+++ loncom/xml/lonxml.pm 2002/10/08 17:09:09 1.199
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# XML Parser Module
#
-# $Id: lonxml.pm,v 1.186 2002/07/29 22:06:38 www Exp $
+# $Id: lonxml.pm,v 1.199 2002/10/08 17:09:09 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -99,6 +99,7 @@ use Apache::edit();
use Apache::lonnet();
use Apache::File();
use Apache::loncommon();
+use Apache::lonfeedback();
#================================================== Main subroutine: xmlparse
#debugging control, to turn on debugging modify the correct handler
@@ -154,6 +155,7 @@ sub xmlbegin {
}
sub xmlend {
+ my ($discussiononly,$symb)=@_;
my $discussion='';
if ($ENV{'request.course.id'}) {
my $crs='/'.$ENV{'request.course.id'};
@@ -162,14 +164,18 @@ sub xmlend {
}
$crs=~s/\_/\//g;
my $seeid=&Apache::lonnet::allowed('rin',$crs);
- my $symb=&Apache::lonnet::symbread();
+ unless ($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'}) {
- $discussion.=
- '<address><hr /><h2>Course Discussion of Resource</h2>';
+ unless ($discussiononly) {
+ $discussion.=
+ '<address><hr />';
+ }
my $idx;
for ($idx=1;$idx<=$contrib{'version'};$idx++) {
my $hidden=($contrib{'hidden'}=~/\.$idx\./);
@@ -181,14 +187,24 @@ sub xmlend {
if ($hidden) {
$message='<font color="#888888">'.$message.'</font>';
}
+ 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)) {
- $sender=$contrib{$idx.':plainname'}.' ('.
+ $sender=&Apache::loncommon::aboutmewrapper(
+ $plainname,
+ $contrib{$idx.':sendername'},
+ $contrib{$idx.':senderdomain'}).' ('.
$contrib{$idx.':sendername'}.' at '.
$contrib{$idx.':senderdomain'}.')';
if ($contrib{$idx.':anonymous'}) {
$sender.=' [anonymous] '.
- $contrib{$idx.':screenname'};
+ $screenname;
}
if ($seeid) {
if ($hidden) {
@@ -200,8 +216,8 @@ sub xmlend {
}
}
} else {
- if ($contrib{$idx.':screenname'}) {
- $sender='<i>'.$contrib{$idx.':screenname'}.'</i>';
+ if ($screenname) {
+ $sender='<i>'.$screenname.'</i>';
}
}
$discussion.='<p><b>'.$sender.'</b> ('.
@@ -211,11 +227,28 @@ sub xmlend {
}
}
}
- $discussion.='</address>';
+ unless ($discussiononly) {
+ $discussion.='</address>';
+ }
+ }
+ if ($discussiononly) {
+ $discussion.=(<<ENDDISCUSS);
+<form action="/adm/feedback" method="post" name="mailform">
+<input type="submit" name="discuss" value="Post Discussion" />
+<input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />
+<input type="hidden" name="symb" value="$symb" />
+<input type="hidden" name="sendit" value="true" />
+<br />
+<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>
+</form>
+ENDDISCUSS
+ $discussion.=&Apache::lonfeedback::generate_preview_button();
}
}
}
- return $discussion.'</html>';
+ return $discussion.($discussiononly?'':'</html>');
}
sub tokeninputfield {
@@ -332,8 +365,10 @@ sub registerurl {
my $forcereg=shift;
my $target = shift;
my $result = '';
+
if ($target eq 'edit') {
- $result .="<script>\n menu.currentURL=null;\n".
+ $result .="<script>\n".
+ "if (typeof menu != 'undefined') {menu.currentURL=null;}\n".
&Apache::loncommon::browser_and_searcher_javascript().
"\n</script>\n";
}
@@ -538,6 +573,26 @@ sub htmlclean {
return $output;
}
+sub latex_special_symbols {
+ my ($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;
+ if ($current_token=~/ \#\w/) {
+ $current_token=~s/ \#(\w)/ \\#$1/;
+ } else {
+ $current_token=~s/([^&])(\#)/$1\\$2/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
+ return $current_token;
+}
+
sub inner_xmlparse {
my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target)=@_;
my $finaloutput = '';
@@ -547,19 +602,12 @@ sub inner_xmlparse {
while ($token = $$pars['-1']->get_token) {
if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) {
if ($metamode<1) {
- if ($target eq 'tex') {
- my @temp_array = @$stack;
- if ($temp_array[-1] ne 'm') {
- if ($temp_array[-1] ne 'tt') {
- if ($token->[1]=~m/\^/) {$token->[1]=~s/\^/\\verb|\^|/g;}
- } else {
- if ($token->[1]=~m/\^/) {$token->[1]=~s/\^/}\\verb|\^|{/g;}
- }
- if ($token->[1]=~m/>/) {$token->[1]=~s/>/\$>\$/g;}
- if ($token->[1]=~m/</) {$token->[1]=~s/</\$<\$/g;}
- }
+ my $text=$token->[1];
+ if ($token->[0] eq 'C' && $target eq 'tex') {
+ $text = '%'.$text;
+ $text =~ s/[\n\r]//g;
}
- $result.=$token->[1];
+ $result.=$text;
}
} elsif ($token->[0] eq 'PI') {
if ($metamode<1) {
@@ -622,6 +670,12 @@ sub inner_xmlparse {
$result= &Apache::run::evaluate($result,$safeeval,'');
}
}
+ if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) {
+ if ($target eq 'tex') {
+ $result=&latex_special_symbols($result,$stack,$parstack);
+ }
+ }
+
# Encode any high ASCII characters
if (!$Apache::lonxml::prevent_entity_encode) {
$result=&HTML::Entities::encode($result,"\200-\377");
@@ -748,13 +802,13 @@ 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 = $token->[4];
@@ -947,6 +1001,7 @@ sub decreasedepth {
}
sub get_all_text_unbalanced {
+#there is a copy of this in lonpublisher.pm
my($tag,$pars)= @_;
my $token;
my $result='';