lang: uk: add initial support (#19)

Closes #13

.gitignore

@@ -1,2 +1,3 @@
 /target
 Cargo.lock
+/.vscode

README.md

@@ -77,9 +77,10 @@ $ num2words --help
 
 Here is a list of all of the supported languages:
 
-| Flag | Code            | ISO 639-1 | Language | 42        |
-| ---- | --------------- | --------- | -------- | --------- |
-| 🇺🇸🇬🇧 | `Lang::English` | `en`      | English  | forty-two |
+| Flag | Code              | ISO 639-1 | Language   | 42        |
+| ---- | ----------------- | --------- | ---------- | --------- |
+| 🇺🇸🇬🇧 | `Lang::English`   | `en`      | English    | forty-two |
+| 🇺🇦   | `Lang::Ukrainian` | `uk`      | Ukrainian  | сорок два |
 
 This list can be expanded! Contributions are welcomed.
 

src/bin/bin.rs

@@ -22,6 +22,7 @@ GLOBAL OPTIONS:
 
 AVAILABLE LANGUAGES:
     en: English
+    uk: Ukrainian
 
 AVAILABLE OUTPUTS:
     cardinal:      forty-two (42)

src/lang/lang.rs

@@ -23,6 +23,7 @@ pub enum Lang {
     /// );
     /// ```
     English,
+    Ukrainian,
 }
 
 impl FromStr for Lang {
@@ -31,12 +32,14 @@ impl FromStr for Lang {
     /// Parses a string to return a value of this type
     ///
     ///
-    /// | ISO 639-1 | Lang            | 42        |
-    /// | --------- | --------------- | --------- |
-    /// | `en`      | `Lang::English` | forty-two |
+    /// | ISO 639-1 | Lang              | 42        |
+    /// | --------- | ----------------- | --------- |
+    /// | `en`      | `Lang::English`   | forty-two |
+    /// | `uk`      | `Lang::Ukrainian` | сорок два |
     fn from_str(input: &str) -> Result<Self, Self::Err> {
         match input {
             "en" => Ok(Self::English),
+            "uk" => Ok(Self::Ukrainian),
             _ => Err(()),
         }
     }
@@ -56,5 +59,23 @@ pub fn to_language(lang: Lang, preferences: Vec<String>) -> Box<dyn Language> {
 
             Box::new(lang::English::new(false, false))
         }
+        Lang::Ukrainian => {
+            let declension: lang::uk::Declension = preferences
+                .iter()
+                .rev()
+                .find_map(|d| d.parse().ok())
+                .unwrap_or_default();
+            let gender: lang::uk::Gender = preferences
+                .iter()
+                .rev()
+                .find_map(|d| d.parse().ok())
+                .unwrap_or_default();
+            let number: lang::uk::GrammaticalNumber = preferences
+                .iter()
+                .rev()
+                .find_map(|d| d.parse().ok())
+                .unwrap_or_default();
+            Box::new(lang::Ukrainian::new(gender, number, declension))
+        }
     }
 }

src/lang/mod.rs

@@ -1,7 +1,10 @@
 mod en;
 mod lang;
+mod uk;
 
 pub use en::English;
-pub use lang::Language;
-pub use lang::Lang;
+pub use uk::Ukrainian;
+
 pub use lang::to_language;
+pub use lang::Lang;
+pub use lang::Language;