[LON-CAPA-cvs] cvs: loncom /lonnet/perl lonnet.pm

[albertel]

albertel		Fri Jun 17 12:48:16 2005 EDT

  Modified files:              
    /loncom/lonnet/perl	lonnet.pm 
  Log:
  - trying to er clean the code?
  - added support for <applet>
  
  
Index: loncom/lonnet/perl/lonnet.pm
diff -u loncom/lonnet/perl/lonnet.pm:1.638 loncom/lonnet/perl/lonnet.pm:1.639
--- loncom/lonnet/perl/lonnet.pm:1.638	Mon Jun 13 16:23:54 2005
+++ loncom/lonnet/perl/lonnet.pm	Fri Jun 17 12:48:13 2005
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.638 2005/06/13 20:23:54 albertel Exp $
+# $Id: lonnet.pm,v 1.639 2005/06/17 16:48:13 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1381,92 +1381,68 @@
                      );
     my $p = HTML::Parser->new
     (
-        xml_mode => 1,
         start_h =>
             [sub {
                  my ($tagname, $attr) = @_;
                  push (@state, $tagname);
                  if (lc($tagname) eq 'img') {
-                     if (exists($$allfiles{$attr->{'src'}})) {
-                         unless (grep/^src$/,@{$$allfiles{$attr->{'src'}}}) {
-                             push (@{$$allfiles{$attr->{'src'}}},&escape('src'));
-                         }
-                     } else {
-                         @{$$allfiles{$attr->{'src'}}} = (&escape('src'));
-                     }
+		     &add_filetype($allfiles,$attr->{'src'},'src');
                  }
-                 if (lc($tagname) eq 'object') {
-                     foreach my $item (keys (%javafiles)) {
+                 if (lc($tagname) eq 'object' ||
+		     (lc($tagname) eq 'embed' && lc($state[-2]) ne 'object')) {
+                     foreach my $item (keys(%javafiles)) {
                          $javafiles{$item} = '';
                      }
                  }
-                 if (lc($state[-2]) eq 'object') {
-                     if (lc($tagname) eq 'param') {
-                         my $name = lc($attr->{'name'});
-                         foreach my $item (keys (%mediafiles)) {
-                             if ($name eq $item) {
-                                 if (exists($$allfiles{$attr->{'value'}})) {
-                                     unless(grep/^value$/,@{$$allfiles{$attr->{'value'}}}) {
-                                         push(@{$$allfiles{$attr->{'value'}}},&escape('value'));
-                                     }
-                                 } else {
-                                     @{$$allfiles{$attr->{'value'}}} = (&escape('value'));
-                                 }
-                                 last;
-                             }
-                         }
-                         foreach my $item (keys (%javafiles)) {
-                             if ($name eq $item) {
-                                 $javafiles{$item} = $attr->{'value'};
-                                 last;
-                             }
-                         }
-                     }
-                 }
-                 if (lc($tagname) eq 'embed') {
-                     unless (lc($state[-2]) eq 'object') {
-                         foreach my $item (keys (%javafiles)) {
-                             $javafiles{$item} = '';
-                         }
-                     }
-                     foreach my $item (keys (%javafiles)) {
+                 if (lc($state[-2]) eq 'object' && lc($tagname) eq 'param') {
+		     my $name = lc($attr->{'name'});
+		     foreach my $item (keys(%javafiles)) {
+			 if ($name eq $item) {
+			     $javafiles{$item} = $attr->{'value'};
+			     last;
+			 }
+		     }
+		     foreach my $item (keys(%mediafiles)) {
+			 if ($name eq $item) {
+			     &add_filetype($allfiles, $attr->{'value'}, 'value');
+			     last;
+			 }
+		     }
+		 }
+                 if (lc($tagname) eq 'embed' || lc($tagname) eq 'applet') {
+		     foreach my $item (keys(%javafiles)) {
                          if ($attr->{$item}) {
                              $javafiles{$item} = $attr->{$item};
                              last;
                          }
                      }
-                     foreach my $item (keys (%mediafiles)) {
+                     foreach my $item (keys(%mediafiles)) {
                          if ($attr->{$item}) {
-                             if (exists($$allfiles{$attr->{$item}})) {
-                                 unless (grep/^$item$/,@{$$allfiles{$item}}) {
-                                     push(@{$$allfiles{$attr->{$item}}},&escape($item));
-                                 }
-                             } else {
-                                 @{$$allfiles{$attr->{$item}}} = (&escape($item));
-                             }
+			     &add_filetype($allfiles,$attr->{$item},$item);
                              last;
                          }
                      }
                  }
             }, "tagname, attr"],
-        text_h =>
-             [sub {
-                 my ($text) = @_;
-        }, "dtext"],
         end_h =>
                [sub {
                    my ($tagname) = @_;
-                   unless ($javafiles{'codebase'} eq '') {
+                   if ($javafiles{'codebase'} ne '') {
                        $javafiles{'codebase'} .= '/';
                    }  
-                   if (lc($tagname) eq 'object') {
-                       &extract_java_items(\%javafiles,$allfiles,$codebase);
+                   if (lc($tagname) eq 'applet' ||
+		       lc($tagname) eq 'object' ||
+		       (lc($tagname) eq 'embed' && lc($state[-2]) ne 'object')
+		       ) {
+		       foreach my $item (keys(%javafiles)) {
+			   if ($item ne 'codebase' && 
+			       $javafiles{$item} ne '') {
+			       my $file=$javafiles{'codebase'}.
+				   $javafiles{$item};
+			       &add_filetype($allfiles,$file,$item);
+			   }
+		       }
                    } 
-                   if (lc($tagname) eq 'embed') {
-                       unless (lc($state[-2]) eq 'object') {
-                           &extract_java_items(\%javafiles,$allfiles,$codebase);
-                       }
-                   }
                    pop @state;
                 }, "tagname"],
     );
@@ -1475,22 +1451,14 @@
     return 'ok';
 }
 
-sub extract_java_items {
-    my ($javafiles,$allfiles,$codebase) = @_;
-    foreach my $item (keys(%{$javafiles})) {
-        if ($item ne 'codebase') {
-            if ($$javafiles{$item} ne '') {
-		my $file=$javafiles->{'codebase'}.$javafiles->{$item};
-                if (exists($allfiles->{$file})) {
-                    unless (scalar(grep(/^$item$/, @{$allfiles->{$file}}))) {
-                        push(@{$allfiles->{$file}}, &escape($item));
-		    }
-		} else {
-                    @{$allfiles->{$file}} = (&escape($item));
-                    $codebase->{$file} = $javafiles->{'codebase'};
-                }
-            }
-        }
+sub add_filetype {
+    my ($allfiles,$file,$type)=@_;
+    if (exists($allfiles->{$file})) {
+	unless (grep/^\Q$type\E$/, @{$allfiles->{$file}}) {
+	    push(@{$allfiles->{$file}}, &escape($type));
+	}
+    } else {
+	@{$allfiles->{$file}} = (&escape($type));
     }
 }