Document metadata

3 files changed, 49 insertions, 34 deletions

diff --git a/library/src/structure/doc.rs b/library/src/structure/doc.rs
deleted file mode 100644
index e471a852..00000000
--- a/library/src/structure/doc.rs
+++ /dev/null
@@ -1,32 +0,0 @@
-use crate::layout::{LayoutRoot, PageNode};
-use crate::prelude::*;
-
-/// A sequence of page runs.
-#[derive(Hash)]
-pub struct DocNode(pub StyleVec<PageNode>);
-
-#[node(LayoutRoot)]
-impl DocNode {}
-
-impl LayoutRoot for DocNode {
-    /// Layout the document into a sequence of frames, one per page.
-    fn layout_root(
-        &self,
-        world: Tracked<dyn World>,
-        styles: StyleChain,
-    ) -> SourceResult<Vec<Frame>> {
-        let mut frames = vec![];
-        for (page, map) in self.0.iter() {
-            let number = 1 + frames.len();
-            frames.extend(page.layout(world, number, styles.chain(map))?);
-        }
-        Ok(frames)
-    }
-}
-
-impl Debug for DocNode {
-    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
-        f.write_str("Doc ")?;
-        self.0.fmt(f)
-    }
-}
diff --git a/library/src/structure/document.rs b/library/src/structure/document.rs
new file mode 100644
index 00000000..2e5761e0
--- /dev/null
+++ b/library/src/structure/document.rs
@@ -0,0 +1,47 @@
+use crate::layout::{LayoutRoot, PageNode};
+use crate::prelude::*;
+
+/// The root node of the model.
+#[derive(Hash)]
+pub struct DocumentNode(pub StyleVec<PageNode>);
+
+#[node(LayoutRoot)]
+impl DocumentNode {
+    /// The document's title.
+    #[property(referenced)]
+    pub const TITLE: Option<EcoString> = None;
+
+    /// The document's author.
+    #[property(referenced)]
+    pub const AUTHOR: Option<EcoString> = None;
+}
+
+impl LayoutRoot for DocumentNode {
+    /// Layout the document into a sequence of frames, one per page.
+    fn layout_root(
+        &self,
+        world: Tracked<dyn World>,
+        styles: StyleChain,
+    ) -> SourceResult<Document> {
+        let mut pages = vec![];
+        for (page, map) in self.0.iter() {
+            let number = 1 + pages.len();
+            pages.extend(page.layout(world, number, styles.chain(map))?);
+        }
+
+        Ok(Document {
+            metadata: Metadata {
+                title: styles.get(Self::TITLE).clone(),
+                author: styles.get(Self::AUTHOR).clone(),
+            },
+            pages,
+        })
+    }
+}
+
+impl Debug for DocumentNode {
+    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
+        f.write_str("Document ")?;
+        self.0.fmt(f)
+    }
+}
diff --git a/library/src/structure/mod.rs b/library/src/structure/mod.rs
index 8e13f76a..a1c27eed 100644
--- a/library/src/structure/mod.rs
+++ b/library/src/structure/mod.rs
@@ -1,12 +1,12 @@
 //! Document structuring.
 
-mod doc;
+mod document;
 mod heading;
 mod list;
 mod reference;
 mod table;
 
-pub use self::doc::*;
+pub use self::document::*;
 pub use self::heading::*;
 pub use self::list::*;
 pub use self::reference::*;