--- loncom/xml/lonxml.pm 2001/10/05 16:55:12 1.135
+++ loncom/xml/lonxml.pm 2002/01/02 13:18:26 1.144
@@ -1,6 +1,41 @@
# The LearningOnline Network with CAPA
# XML Parser Module
#
+# $Id: lonxml.pm,v 1.144 2002/01/02 13:18:26 matthew Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
+# Copyright for TtHfunc and TtMfunc by Ian Hutchinson.
+# TtHfunc and TtMfunc (the "Code") may be compiled and linked into
+# binary executable programs or libraries distributed by the
+# Michigan State University (the "Licensee"), but any binaries so
+# distributed are hereby licensed only for use in the context
+# of a program or computational system for which the Licensee is the
+# primary author or distributor, and which performs substantial
+# additional tasks beyond the translation of (La)TeX into HTML.
+# 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
@@ -16,7 +51,10 @@
# 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
+#
package Apache::lonxml;
use vars
@@ -31,13 +69,21 @@ use Math::Random qw(:all);
use Opcode;
sub register {
- my $space;
- my @taglist;
- my $temptag;
- ($space,@taglist) = @_;
- foreach $temptag (@taglist) {
- $Apache::lonxml::alltags{$temptag}=$space;
+ my ($space,@taglist) = @_;
+ foreach my $temptag (@taglist) {
+ push(@{ $Apache::lonxml::alltags{$temptag} },$space);
+ }
+}
+
+sub deregister {
+ my ($space,@taglist) = @_;
+ foreach my $temptag (@taglist) {
+ my $tempspace = $Apache::lonxml::alltags{$temptag}[-1];
+ if ($tempspace eq $space) {
+ pop(@{ $Apache::lonxml::alltags{$temptag} });
+ }
}
+ #&printalltags();
}
use Apache::Constants qw(:common);
@@ -49,6 +95,7 @@ use Apache::scripttag;
use Apache::edit;
use Apache::lonnet;
use Apache::File;
+use Apache::loncommon;
#================================================== Main subroutine: xmlparse
#debugging control, to turn on debugging modify the correct handler
@@ -389,7 +436,8 @@ sub unloadevents() {
sub printalltags {
my $temp;
foreach $temp (sort keys %Apache::lonxml::alltags) {
- &Apache::lonxml::debug("$temp -- $Apache::lonxml::alltags{$temp}");
+ &Apache::lonxml::debug("$temp -- ".
+ join(',',@{ $Apache::lonxml::alltags{$temp} }));
}
}
@@ -427,11 +475,11 @@ sub htmlclean {
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) {
@@ -459,14 +507,14 @@ sub inner_xmlparse {
$result=$token->[2];
}
} elsif ($token->[0] eq 'S') {
- # add tag to stack
+ # add tag to stack
push (@$stack,$token->[1]);
# add parameters list to another stack
push (@$parstack,&parstring($token));
- &increasedepth($token);
+ &increasedepth($token);
if (exists $$style_for_target{$token->[1]}) {
if ($Apache::lonxml::redirection) {
- $Apache::lonxml::outputstack['-1'] .=
+ $Apache::lonxml::outputstack['-1'] .=
&recurse($$style_for_target{$token->[1]},$target,$safeeval,
$style_for_target,@$parstack);
} else {
@@ -476,15 +524,15 @@ sub inner_xmlparse {
} else {
$result = &callsub("start_$token->[1]", $target, $token, $stack,
$parstack, $pars, $safeeval, $style_for_target);
- }
+ }
} elsif ($token->[0] eq 'E') {
#clear out any tags that didn't end
while ($token->[1] ne $$stack['-1'] && ($#$stack > -1)) {
- &Apache::lonxml::warning("Unbalanced tags in resource $$stack['-1']");
+ &Apache::lonxml::warning('Missing tag </'.$$stack['-1'].'> in file');
&end_tag($stack,$parstack,$token);
}
-
- if (exists $$style_for_target{'/'."$token->[1]"}) {
+
+ if (exists($$style_for_target{'/'."$token->[1]"})) {
if ($Apache::lonxml::redirection) {
$Apache::lonxml::outputstack['-1'] .=
&recurse($$style_for_target{'/'."$token->[1]"},
@@ -494,7 +542,6 @@ sub inner_xmlparse {
$target,$safeeval,$style_for_target,
@$parstack);
}
-
} else {
$result = &callsub("end_$token->[1]", $target, $token, $stack,
$parstack, $pars,$safeeval, $style_for_target);
@@ -545,6 +592,7 @@ sub recurse {
my $partstring = '';
my $output='';
my $decls='';
+ &Apache::lonxml::debug("Recursing");
while ( $#pat > -1 ) {
while ($tokenpat = $pat[$#pat]->get_token) {
if (($tokenpat->[0] eq 'T') || ($tokenpat->[0] eq 'C') || ($tokenpat->[0] eq 'D') ) {
@@ -562,7 +610,7 @@ sub recurse {
#clear out any tags that didn't end
while ($tokenpat->[1] ne $innerstack[$#innerstack]
&& ($#innerstack > -1)) {
- &Apache::lonxml::warning("Unbalanced tags in resource $innerstack['-1']");
+ &Apache::lonxml::warning('Missing tag </'.$innerstack['-1'].'> in style');
&end_tag(\@innerstack,\@innerparstack,$tokenpat);
}
$partstring = &callsub("end_$tokenpat->[1]", $target, $tokenpat,
@@ -596,6 +644,7 @@ sub recurse {
pop @pat;
pop @Apache::lonxml::pwd;
}
+ &Apache::lonxml::debug("Exiting Recursing");
return $output;
}
@@ -607,11 +656,11 @@ sub callsub {
my $sub1;
no strict 'refs';
my $tag=$token->[1];
- my $space=$Apache::lonxml::alltags{$tag};
+ my $space=$Apache::lonxml::alltags{$tag}[-1];
if (!$space) {
- $tag=~tr/A-Z/a-z/;
+ $tag=~tr/A-Z/a-z/;
$sub=~tr/A-Z/a-z/;
- $space=$Apache::lonxml::alltags{$tag}
+ $space=$Apache::lonxml::alltags{$tag}[-1]
}
my $deleted=0;
@@ -807,7 +856,7 @@ sub decreasedepth {
$Apache::lonxml::olddepth=$Apache::lonxml::depth+1;
}
if ( $Apache::lonxml::depth < -1) {
- &Apache::lonxml::warning("Unbalanced tags in resource");
+ &Apache::lonxml::warning("Missing tags, unable to properly run file.");
$Apache::lonxml::depth='-1';
}
my $curdepth=join('_',@Apache::lonxml::depthcounter);
@@ -879,14 +928,14 @@ sub newparser {
sub parstring {
my ($token) = @_;
my $temp='';
- map {
+ foreach (@{$token->[3]}) {
unless ($_=~/\W/) {
my $val=$token->[2]->{$_};
$val =~ s/([\%\@\\])/\\$1/g;
#if ($val =~ m/^[\%\@]/) { $val="\\".$val; }
$temp .= "my \$$_=\"$val\";"
}
- } @{$token->[3]};
+ }
return $temp;
}
@@ -899,10 +948,10 @@ sub writeallows {
my $thisdir=$thisurl;
$thisdir=~s/\/[^\/]+$//;
my %httpref=();
- map {
+ foreach (@extlinks) {
$httpref{'httpref.'.
&Apache::lonnet::hreflocation($thisdir,$_)}=$thisurl;
- } @extlinks;
+ }
@extlinks=();
&Apache::lonnet::appenv(%httpref);
}
@@ -912,7 +961,7 @@ sub writeallows {
#
sub afterburn {
my $result=shift;
- map {
+ foreach (split(/&/,$ENV{'QUERY_STRING'})) {
my ($name, $value) = split(/=/,$_);
$value =~ tr/+/ /;
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
@@ -921,22 +970,22 @@ sub afterburn {
$ENV{'form.'.$name}=$value;
}
}
- } (split(/&/,$ENV{'QUERY_STRING'}));
+ }
if ($ENV{'form.highlight'}) {
- map {
+ foreach (split(/\,/,$ENV{'form.highlight'})) {
my $anchorname=$_;
my $matchthis=$anchorname;
$matchthis=~s/\_+/\\s\+/g;
$result=~s/($matchthis)/\<font color=\"red\"\>$1\<\/font\>/gs;
- } split(/\,/,$ENV{'form.highlight'});
+ }
}
if ($ENV{'form.link'}) {
- map {
+ foreach (split(/\,/,$ENV{'form.link'})) {
my ($anchorname,$linkurl)=split(/\>/,$_);
my $matchthis=$anchorname;
$matchthis=~s/\_+/\\s\+/g;
$result=~s/($matchthis)/\<a href=\"$linkurl\"\>$1\<\/a\>/gs;
- } split(/\,/,$ENV{'form.link'});
+ }
}
if ($ENV{'form.anchor'}) {
my $anchorname=$ENV{'form.anchor'};
@@ -1007,9 +1056,9 @@ sub handler {
} else {
$request->content_type('text/html');
}
-
+ &Apache::loncommon::no_cache($request);
$request->send_http_header;
-
+
return OK if $request->header_only;
@@ -1076,9 +1125,11 @@ sub error {
#notify course
if ( $ENV{'request.course.id'} ) {
my $users=$ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'};
+ my $declutter=&Apache::lonnet::declutter($ENV{'request.filename'});
foreach my $user (split /\,/, $users) {
($user,my $domain) = split /:/, $user;
- &Apache::lonmsg::user_normal_msg($user,$domain,"Error in $ENV{'request.filename'}",$_[0]);
+ &Apache::lonmsg::user_normal_msg($user,$domain,
+ "Error [$declutter]",$_[0]);
}
}
@@ -1147,7 +1198,7 @@ sub register_insert {
my $line = $data[$i];
my ($mnemonic,@which) = split(/ +/,$line);
my $tag = $insertlist{"$tagnum.tag"};
- for (my $j=0;$j <$#which;$j++) {
+ for (my $j=0;$j <=$#which;$j++) {
if ( $which[$j] eq 'Y' ) {
if ($insertlist{"$j.show"} ne 'no') {
push(@{ $insertlist{"$tag.which"} },$j);
@@ -1160,7 +1211,15 @@ sub register_insert {
sub description {
my ($token)=@_;
- return $insertlist{$insertlist{"$token->[1].num"}.'.description'};
+ 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'};
}
# ----------------------------------------------------------------- whichuser