X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=perl-sax%2FXML%2FTemplateSAX.pm;h=04403976a3a4e1e902385ed4a9234744a1e842f1;hb=fcd2b8ecd1668b302e6000a10d307d537b5c432f;hp=fce9ae21a155125cee64b894894c1e26ea80f1a0;hpb=846bb64b483f688096d9c547b9cdb96a7775594a;p=xml-template

diff --git a/perl-sax/XML/TemplateSAX.pm b/perl-sax/XML/TemplateSAX.pm
index fce9ae2..0440397 100644
--- a/perl-sax/XML/TemplateSAX.pm
+++ b/perl-sax/XML/TemplateSAX.pm
@@ -3,7 +3,7 @@
 #
 # SAX version of XML::Template. Advantages over DOM: Doesn't have to load
 # the entire thing into memory, and you can chain filters. Disadvantages:
-# Slightly kludgier interface.
+# Slightly kludgier interface, and you won't get a DOM tree out.
 #
 # Differences from the DOM version:
 # 
@@ -11,48 +11,80 @@
 #   in the stream, usually between a parser and a writer (ie.
 #   parser -> XML::TemplateSAX::Handler -> writer). process_file works as
 #   before, but it returns a _string_, not a DOM tree.
-# - You can no longer insert a DOM tree. Instead, what you have is -- FIXME:
-#   figure out this :-)
+# - You can no longer insert a DOM tree, naturally. Instead, you can set up
+#   an XML::TemplateSAX::Buffer, let it gobble up your data, and send it
+#   in the way you'd insert a DOM tree. process_file_to_buffer does this
+#   transparently for you, returning a buffer you can give in.
 #
 
+use strict;
+use warnings;
 use XML::SAX::Expat;
 use XML::SAX::Writer;
+use XML::TemplateSAX::Buffer;
+use XML::TemplateSAX::Cleaner;
+use XML::TemplateSAX::Deferred;
+use XML::TemplateSAX::Handler;
 
-package XML::TemplateSAX::Handler;
-use base qw(XML::SAX::Base);
+package XML::TemplateSAX;
 
-sub new {
-	my $class = shift;
-	my %options = @_;
+sub process_file_to_handler {
+	my ($filename, $handler, $obj, $clean) = @_;
+	$clean = 1 unless (defined($clean));
 
-	my $self = {
-		obj => $options{'Content'},
-		Handler => $options{'Handler'}
-	};
-	bless($self, $class);
-	return $self;
-}
+	my ($cleaner, $filter, $parser);
 
-sub start_element {
-	my ($self, $data) = @_;
+	if ($clean) {
+		$cleaner = XML::TemplateSAX::Cleaner->new(Handler => $handler);
+		$filter = XML::TemplateSAX::Handler->new(Handler => $cleaner, Content => $obj);
+	} else {
+		$filter = XML::TemplateSAX::Handler->new(Handler => $handler, Content => $obj);
+	}
 
-	$self->SUPER::start_element($data);
+	# FIXME: hardcoding expat = not good?
+	$parser = XML::SAX::Expat->new(Handler => $filter);
+	$parser->parse_file($filename);
 }
 
-package XML::TemplateSAX;
-
 sub process_file {
 	my ($filename, $obj, $clean) = @_;
 
 	my $str = '';
-
-	# FIXME: hardcoding expat = not good?
 	my $writer = XML::SAX::Writer->new(Output => \$str);
-	my $filter = XML::TemplateSAX::Handler->new(Handler => $writer, Content => $obj);
-	my $parser = XML::SAX::Expat->new(Handler => $filter);
-	$parser->parse_file($filename);
+
+	process_file_to_handler($filename, $writer, $obj, $clean);
 
 	return $str;
 }
 
+sub process_file_to_buffer {
+	my ($filename, $obj, $clean) = @_;
+	
+	my $buffer = XML::TemplateSAX::Buffer->new;
+	process_file_to_handler($filename, $buffer, $obj, $clean);
+
+	return $buffer;
+}
+
+sub process_file_to_placeholder {
+	my ($filename, $obj, $clean) = @_;
+
+	return XML::TemplateSAX::Deferred->new($filename, $obj, $clean);
+}
+
+sub alternate {
+	my ($tag, $array, @elems) = @_;
+
+	my $i = 0;
+	my $num = scalar @elems;
+
+	for my $ref (@$array) {
+		if (defined($ref)) {
+			$ref->{$tag} = $elems[$i++ % $num];
+		}
+	}
+
+	return $array;
+}
+
 1;