Make name-to-file-name conversion functions public

src/lib.rs

@@ -104,4 +104,5 @@ pub use identifier::Identifier;
 pub use kerning::Kerning;
 pub use layer::{Layer, LayerSet};
 pub use shared_types::{Color, Plist};
+pub use util::{default_file_name_for_glyph_name, default_file_name_for_layer_name};
 pub use write::{QuoteChar, WriteOptions};

src/util.rs

@@ -18,12 +18,22 @@ pub(crate) fn recursive_sort_plist_keys(plist: &mut plist::Dictionary) {
 }
 
 /// Given a glyph `name`, return an appropriate file name.
-pub(crate) fn default_file_name_for_glyph_name(name: &Name, existing: &HashSet<String>) -> PathBuf {
+///
+/// This name is computed via the [Common User Name to File Name Algorithm][algo]
+/// defined in the UFO spec.
+///
+/// [algo]: https://unifiedfontobject.org/versions/ufo3/conventions/#common-user-name-to-file-name-algorithm
+pub fn default_file_name_for_glyph_name(name: &Name, existing: &HashSet<String>) -> PathBuf {
     user_name_to_file_name(name, "", ".glif", existing)
 }
 
 /// Given a layer `name`, return an appropriate file name.
-pub(crate) fn default_file_name_for_layer_name(name: &Name, existing: &HashSet<String>) -> PathBuf {
+///
+/// This name is computed via the [Common User Name to File Name Algorithm][algo]
+/// defined in the UFO spec.
+///
+/// [algo]: https://unifiedfontobject.org/versions/ufo3/conventions/#common-user-name-to-file-name-algorithm
+pub fn default_file_name_for_layer_name(name: &Name, existing: &HashSet<String>) -> PathBuf {
     user_name_to_file_name(name, "glyphs.", "", existing)
 }