feat: Implement sentence casing

src/bin/decasify.rs

@@ -53,7 +53,10 @@ fn process<I: IntoIterator<Item = String>>(
                 let output = to_uppercase(&string, locale.clone());
                 println!("{output}")
             }
-            _ => eprintln!("Target case {case:?} not implemented!"),
+            TargetCase::Sentence => {
+                let output = to_sentence(&string, locale.clone());
+                println!("{output}")
+            }
         }
     }
 }

src/lib.rs

@@ -45,6 +45,15 @@ pub fn to_uppercase(string: &str, locale: InputLocale) -> String {
     }
 }
 
+/// Convert a string to sentence case following typesetting conventions for a target locale
+pub fn to_sentence(string: &str, locale: InputLocale) -> String {
+    let words: Vec<&str> = string.split_whitespace().collect();
+    match locale {
+        InputLocale::EN => to_sentence_en(words),
+        InputLocale::TR => to_sentence_tr(words),
+    }
+}
+
 fn to_titlecase_en(words: Vec<&str>, style: Option<StyleGuide>) -> String {
     match style {
         Some(StyleGuide::AssociatedPress) => to_titlecase_ap(words),
@@ -156,6 +165,22 @@ fn to_uppercase_tr(words: Vec<&str>) -> String {
     output.join(" ")
 }
 
+fn to_sentence_en(words: Vec<&str>) -> String {
+    let mut output: Vec<String> = Vec::new();
+    for word in words {
+        output.push(word.to_uppercase());
+    }
+    output.join(" ")
+}
+
+fn to_sentence_tr(words: Vec<&str>) -> String {
+    let mut output: Vec<String> = Vec::new();
+    for word in words {
+        output.push(word.to_uppercase_tr_az());
+    }
+    output.join(" ")
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;