Add `Messages::with_plural_formula` constructor

Helper method to parse a specified plural formula in order to create a
new empty `Messages` list with the plural form configured.

1 files changed, 8 insertions, 0 deletions

diff --git a/android/translations-converter/src/gettext/messages.rs b/android/translations-converter/src/gettext/messages.rs
index 2b2777f78c..59bc6ed711 100644
--- a/android/translations-converter/src/gettext/messages.rs
+++ b/android/translations-converter/src/gettext/messages.rs
@@ -147,6 +147,14 @@ impl Messages {
             plural_form,
         })
     }
+
+    /// Construct an empty messages list configured with the specified plural form.
+    pub fn with_plural_form(plural_form: PluralForm) -> Self {
+        Messages {
+            plural_form: Some(plural_form),
+            entries: Vec::new(),
+        }
+    }
 }
 
 impl IntoIterator for Messages {