ported rivet to typst

src/schema.typ

@@ -0,0 +1,50 @@
+#import "config.typ" as conf
+#import "renderer.typ"
+#import "structure.typ"
+
+#let valid-extensions = ("yaml", "json", "xml")
+
+#let parse-xml(path) = {
+  panic("TODO")
+}
+
+#let parse-file(path) = {
+  let ext = path.split(".").last()
+
+  if not ext in valid-extensions {
+    let fmts = valid-extensions.map(fmt => "." + fmt).join(", ")
+    fmts = "(" + fmts + ")"
+    panic("." + ext + " files are not supported. Valid formats: " + fmts)
+  }
+
+  if ext == "yaml" {
+    return yaml(path)
+  } else if ext == "json" {
+    return json(path)
+  } else if ext == "xml" {
+    return parse-xml(path)
+  }
+}
+
+#let load(path-or-schema, config: auto) = {
+  let schema = if type(path-or-schema) == str {
+    parse-file(path-or-schema)
+  } else {
+    parse-raw(path-or-schema)
+  }
+
+  let structures = (:)
+  for (id, data) in schema.structures {
+    id = str(id)
+    structures.insert(id, structure.load(id, data))
+  }
+  return structures
+}
+
+#let render(structures, config: auto) = {
+  if config == auto {
+    config = conf.config()
+  }
+  let renderer_ = renderer.make(config)
+  (renderer_.render)(structures)
+}