Added the signature for passing filters into the render function.

Added the signature for passing filters into the render function but I am not yet using the filters.

src/parser/mod.rs

@@ -9,5 +9,6 @@ pub use node_invoker::Result;
 pub use parser::template;
 pub use parser::Body;
 pub use parser::DustTag;
+pub use parser::Filter;
 pub use parser::Template;
 pub use parser::TemplateElement;

src/parser/parser.rs

@@ -45,7 +45,7 @@ pub enum DustTag<'a> {
 }
 
 #[derive(Clone, Debug, PartialEq)]
-enum Special {
+pub enum Special {
     Space,
     NewLine,
     CarriageReturn,
@@ -66,11 +66,11 @@ pub struct Path<'a> {
 #[derive(Clone, Debug, PartialEq)]
 pub struct Reference<'a> {
     pub path: Path<'a>,
-    filters: Vec<Filter>,
+    pub filters: Vec<Filter>,
 }
 
 #[derive(Clone, Debug, PartialEq)]
-enum Filter {
+pub enum Filter {
     HtmlEncode,
     DisableHtmlEncode,
     JavascriptStringEncode,
@@ -86,20 +86,20 @@ pub struct Span<'a> {
 }
 
 #[derive(Clone, Debug, PartialEq)]
-struct Container<'a> {
+pub struct Container<'a> {
     path: Path<'a>,
     contents: Option<Body<'a>>,
     else_contents: Option<Body<'a>>,
 }
 
 #[derive(Clone, Debug, PartialEq)]
-struct NamedBlock<'a> {
+pub struct NamedBlock<'a> {
     name: &'a str,
     contents: Option<Body<'a>>,
 }
 
 #[derive(Clone, Debug, PartialEq)]
-struct ParameterizedBlock<'a> {
+pub struct ParameterizedBlock<'a> {
     name: &'a str,
     params: Vec<KVPair<'a>>,
     contents: Option<Body<'a>>,
@@ -107,7 +107,7 @@ struct ParameterizedBlock<'a> {
 }
 
 #[derive(Clone, Debug, PartialEq)]
-struct Partial<'a> {
+pub struct Partial<'a> {
     name: String,
     params: Vec<KVPair<'a>>,
 }