1 files changed, 64 insertions, 0 deletions
diff --git a/crates/typst-library/src/meta/mod.rs b/crates/typst-library/src/meta/mod.rs
new file mode 100644
index 00000000..dcac6379
--- /dev/null
+++ b/crates/typst-library/src/meta/mod.rs
@@ -0,0 +1,64 @@
+//! Interaction between document parts.
+
+mod bibliography;
+mod context;
+mod counter;
+mod document;
+mod figure;
+mod footnote;
+mod heading;
+mod link;
+mod numbering;
+mod outline;
+mod query;
+mod reference;
+mod state;
+
+pub use self::bibliography::*;
+pub use self::context::*;
+pub use self::counter::*;
+pub use self::document::*;
+pub use self::figure::*;
+pub use self::footnote::*;
+pub use self::heading::*;
+pub use self::link::*;
+pub use self::numbering::*;
+pub use self::outline::*;
+pub use self::query::*;
+pub use self::reference::*;
+pub use self::state::*;
+
+use crate::prelude::*;
+use crate::text::TextElem;
+
+/// Hook up all meta definitions.
+pub(super) fn define(global: &mut Scope) {
+    global.define("document", DocumentElem::func());
+    global.define("ref", RefElem::func());
+    global.define("link", LinkElem::func());
+    global.define("outline", OutlineElem::func());
+    global.define("heading", HeadingElem::func());
+    global.define("figure", FigureElem::func());
+    global.define("footnote", FootnoteElem::func());
+    global.define("cite", CiteElem::func());
+    global.define("bibliography", BibliographyElem::func());
+    global.define("locate", locate_func());
+    global.define("style", style_func());
+    global.define("layout", layout_func());
+    global.define("counter", counter_func());
+    global.define("numbering", numbering_func());
+    global.define("state", state_func());
+    global.define("query", query_func());
+    global.define("selector", selector_func());
+}
+
+/// The named with which an element is referenced.
+pub trait LocalName {
+    /// Get the name in the given language and (optionally) region.
+    fn local_name(&self, lang: Lang, region: Option<Region>) -> &'static str;
+
+    /// Resolve the local name with a style chain.
+    fn local_name_in(&self, styles: StyleChain) -> &'static str {
+        self.local_name(TextElem::lang_in(styles), TextElem::region_in(styles))
+    }
+}