improved HasChildren trait

4 files changed, 20 insertions, 22 deletions

diff --git a/src/document_tree/element_categories.rs b/src/document_tree/element_categories.rs
index 5f12cc6..9ea79e6 100644
--- a/src/document_tree/element_categories.rs
+++ b/src/document_tree/element_categories.rs
@@ -1,7 +1,10 @@
 use super::elements::*;
 
 pub trait HasChildren<C> {
-	fn add_child<R: Into<C>>(&mut self, R);
+	fn children(&mut self) -> &mut Vec<C>;
+	fn append_child<R: Into<C>>(&mut self, child: R) {
+		self.children().push(child.into());
+	}
 }
 
 macro_rules! synonymous_enum {( $name:ident { $( $entry:ident ),* } ) => (
@@ -55,5 +58,5 @@ synonymous_enum!(SubOptionListItem { OptionGroup, Description });
 synonymous_enum!(SubOption { OptionString, OptionArgument });
 synonymous_enum!(SubLineBlock { LineBlock, Line });
 synonymous_enum!(SubBlockQuote { Attribution, BodyElement });
-synonymous_enum!(SubFootnote { Label_, BodyElement });
+synonymous_enum!(SubFootnote { Label, BodyElement });
 synonymous_enum!(SubFigure { Image, Caption, Legend, BodyElement });
diff --git a/src/document_tree/element_types.rs b/src/document_tree/element_types.rs
index 232d44f..9ac90e2 100644
--- a/src/document_tree/element_types.rs
+++ b/src/document_tree/element_types.rs
@@ -62,7 +62,7 @@
 // 	OptionListItem, OptionGroup, Description, Option_, OptionString,
 // 	OptionArgument { delimiter: String },
 //
-// 	Line, Attribution, Label_,
+// 	Line, Attribution, Label,
 //
 // 	Caption, Legend,
 //
diff --git a/src/document_tree/elements.rs b/src/document_tree/elements.rs
index e6709b4..0859151 100644
--- a/src/document_tree/elements.rs
+++ b/src/document_tree/elements.rs
@@ -39,8 +39,8 @@ macro_rules! impl_element(($name:ident) => {
 
 macro_rules! impl_children(($name:ident, $childtype:ident) => {
 	impl HasChildren<$childtype> for $name {
-		fn add_child<R: Into<$childtype>>(&mut self, child: R) {
-			self.children.push(Box::new(child.into()));
+		fn children(&mut self) -> &mut Vec<$childtype> {
+			&mut self.children
 		}
 	}
 });
@@ -69,12 +69,12 @@ macro_rules! impl_elem(
 	};
 	($name:ident, $childtype:ident) => {
 		#[derive(Default,Debug)]
-		pub struct $name { common: CommonAttributes, children: Vec<Box<$childtype>> }
+		pub struct $name { common: CommonAttributes, children: Vec<$childtype> }
 		impl_element!($name); impl_children!($name, $childtype);
 	};
 	($name:ident, $childtype:ident; +) => {
 		#[derive(Default,Debug)]
-		pub struct $name { common: CommonAttributes, extra: extra_attributes::$name, children: Vec<Box<$childtype>> }
+		pub struct $name { common: CommonAttributes, extra: extra_attributes::$name, children: Vec<$childtype> }
 		impl_element!($name); impl_extra!($name); impl_children!($name, $childtype);
 	};
 );
@@ -83,6 +83,11 @@ macro_rules! impl_elems(( $( ($($args:tt)*) )* ) => {
 	$( impl_elem!($($args)*); )*
 });
 
+
+#[derive(Default,Debug)]
+pub struct Document { children: Vec<StructuralSubElement> }
+impl_children!(Document, StructuralSubElement);
+
 impl_elems!(
 	//structual elements
 	(Section, SubSection)
@@ -123,8 +128,8 @@ impl_elems!(
 	(Comment,                TextOrInlineElement; +)
 	(Pending)
 	(Target; +)
-	(Raw; +)
-	(Image; *)
+	(Raw;    +)
+	(Image;  *)
 	
 	//compound body elements
 	(Compound,  BodyElement)
@@ -151,7 +156,7 @@ impl_elems!(
 	(Footnote,      SubFootnote; +)
 	(Citation,      SubFootnote; +)
 	(SystemMessage, BodyElement; +)
-	(Figure,        SubFigure; +)
+	(Figure,        SubFigure;   +)
 	(Table; +) //TODO
 	
 	//body sub elements
@@ -174,7 +179,7 @@ impl_elems!(
 	
 	(Line,        TextOrInlineElement)
 	(Attribution, TextOrInlineElement)
-	(Label_,      TextOrInlineElement)
+	(Label,       TextOrInlineElement)
 	
 	(Caption, TextOrInlineElement)
 	(Legend,  BodyElement)
@@ -199,7 +204,7 @@ impl_elems!(
 	
 	//also have non-inline versions. Inline image is no figure child, inline target has content
 	(TargetInline, TextOrInlineElement; +)
-	(RawInline; +)
+	(RawInline;   +)
 	(ImageInline; *)
 	
 	//text element
diff --git a/src/document_tree/mod.rs b/src/document_tree/mod.rs
index 868b9f8..35f2540 100644
--- a/src/document_tree/mod.rs
+++ b/src/document_tree/mod.rs
@@ -6,16 +6,6 @@ pub mod element_categories;
 pub mod extra_attributes;
 pub mod attribute_types;
 
-use self::element_categories::StructuralSubElement;
-
 pub use self::elements::*; //Element,CommonAttributes,
 pub use self::extra_attributes::ExtraAttributes;
 pub use self::element_categories::HasChildren;
-
-#[derive(Default,Debug)]
-pub struct Document { children: Vec<Box<StructuralSubElement>> }
-impl HasChildren<StructuralSubElement> for Document {
-	fn add_child<R: Into<StructuralSubElement>>(&mut self, child: R) {
-		self.children.push(Box::new(child.into()));
-	}
-}