1 files changed, 120 insertions, 0 deletions
diff --git a/lib/LXRng/Markup/File.pm b/lib/LXRng/Markup/File.pm
new file mode 100644
index 0000000..406737c
--- /dev/null
+++ b/lib/LXRng/Markup/File.pm
@@ -0,0 +1,120 @@
+package LXRng::Markup::File;
+
+use strict;
+use HTML::Entities;
+
+sub new {
+    my ($class, %args) = @_;
+
+    return bless(\%args, $class);
+}
+
+sub context {
+    my ($self) = @_;
+    return $$self{'context'};
+}
+
+sub safe_html {
+    my ($str) = @_;
+    return encode_entities($str, '^\n\r\t !\#\$\(-;=?-~');
+}
+
+sub make_format_newline {
+    my ($self, $node) = @_;
+    my $line = 0;
+    my $tree = $self->context->vtree();
+    my $name = $node->name;
+
+    sub {
+	my ($nl) = @_;
+	$line++;
+	$nl = safe_html($nl);
+
+	# id="<num>" is not valid XHTML 1.0, but it is an extremely
+	# handy shorthand for generating line numbers that don't
+	# affect cut-n-paste.
+	return qq{$nl<a id="L$line" name="L$line"></a>}.
+	    qq{<a href="$name#L$line" id="$line" class="line"></a>};
+    }
+}
+
+sub format_comment {
+    my ($self, $com) = @_;
+
+    $com = safe_html($com);
+    return qq{<span class="comment">$com</span>};
+}
+	
+
+sub format_string {
+    my ($self, $str) = @_;
+
+    $str = safe_html($str);
+    return qq{<span class="string">$str</span>}
+}
+
+sub format_include {
+    my ($self, $paths, $all, $pre, $inc, $suf) = @_;
+    
+    my $tree = $self->context->vtree();
+    if (@$paths > 1) {
+	$pre = safe_html($pre);
+	$inc = safe_html($inc);
+	$suf = safe_html($suf);
+	my $alts = join("|", map { $_ } @$paths);
+	return qq{$pre<a href="+ambig=$alts" class="falt">$inc</a>$suf};
+    }
+    elsif (@$paths > 0) {
+	$pre = safe_html($pre);
+	$inc = safe_html($inc);
+	$suf = safe_html($suf);
+	return qq{$pre<a href="$$paths[0]" class="fref">$inc</a>$suf};
+    }
+    else {
+	return safe_html($all);
+    }
+}
+
+sub format_code {
+    my ($self, $idre, $syms, $frag) = @_;
+
+    my $tree = $self->context->vtree();
+    my $path = $self->context->path();
+    Subst::Complex::s($frag,
+		      $idre => sub {
+			  my $sym = $_[1];
+			  if (exists($$syms{$sym})) {
+			      $sym = safe_html($sym);
+			      return qq{<a href="+code=$sym" class="sref">$sym</a>}
+			  }
+			  else {
+			      return safe_html($sym);
+			  }
+		      },
+		      qr/(.*?)/ => sub { return safe_html($_[0]) },
+		      );
+}
+
+sub format_raw {
+    my ($self, $str) = @_;
+
+    return safe_html($str);
+}
+
+sub markupfile {
+    my ($self, $subst, $parse) = @_;
+
+    my ($btype, $frag) = $parse->nextfrag;
+    
+    return () unless defined $frag;
+
+    $btype ||= 'code';
+    if ($btype and exists $$subst{$btype}) { 
+	return $$subst{$btype}->s($frag);
+    }
+    else {
+	return $frag;
+    }
+}
+
+1;