--- loncom/xml/lonxml.pm	2003/09/21 21:40:06	1.280
+++ loncom/xml/lonxml.pm	2003/10/02 05:45:38	1.283
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # XML Parser Module 
 #
-# $Id: lonxml.pm,v 1.280 2003/09/21 21:40:06 www Exp $
+# $Id: lonxml.pm,v 1.283 2003/10/02 05:45:38 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -160,6 +160,12 @@ $Apache::lonxml::usestyle=1;
 $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;
+
 sub xmlbegin {
   my $output='';
   if ($ENV{'browser.mathml'}) {
@@ -353,6 +359,7 @@ sub xmlparse {
  if ($ENV{'request.uri'}) {
     &writeallows($ENV{'request.uri'});
  }
+ &do_registered_ssi();
  if ($Apache::lonxml::counter_changed) { &store_counter() }
  return $finaloutput;
 }
@@ -473,7 +480,7 @@ sub inner_xmlparse {
 	&Apache::lonxml::error("Unknown token event :$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;
@@ -484,6 +491,8 @@ 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)) {
@@ -603,6 +612,8 @@ sub setup_globals {
   &init_counter();
   @Apache::lonxml::pwd=();
   @Apache::lonxml::extlinks=();
+  @Apache::lonxml::ssi_info=();
+  $Apache::lonxml::post_evaluate=1;
   if ($target eq 'meta') {
     $Apache::lonxml::redirection = 0;
     $Apache::lonxml::metamode = 1;
@@ -856,17 +867,13 @@ sub store_counter {
 
 sub get_all_text {
     my($tag,$pars,$style)= @_;
-    &Apache::lonxml::debug("Got a ".ref($pars));
     my $gotfullstack=1;
     if (ref($pars) ne 'ARRAY') {
 	$gotfullstack=0;
 	$pars=[$pars];
     }
-    &Apache::lonxml::debug("Got a ".ref($style));
     if (ref($style) ne 'HASH') {
 	$style={};
-    } else {
-	&Apache::lonhomework::showhash(%$style);
     }
     my $depth=0;
     my $token;
@@ -890,7 +897,7 @@ sub get_all_text {
 		} elsif ($token->[0] eq 'E')  {
 		    if ( $token->[1] =~ /^$tag$/i) { $depth--; }
 		    #skip sending back the last end tag
-		    if ($depth == 0 && exists($$style{'/'.$token->[1]})) {
+		    if ($depth == 0 && exists($$style{'/'.$token->[1]}) && $Apache::lonxml::usestyle) {
 			my $string=
 			    '<LONCAPA_INTERNAL_TURN_STYLE_OFF end="yes" />'.
 				$$style{'/'.$token->[1]}.
@@ -998,6 +1005,19 @@ sub writeallows {
     &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);
+    }
+}
 #
 # Afterburner handles anchors, highlights and links
 #