Rule words to generate words from a command

src/tcl.rs

@@ -38,5 +38,32 @@ pub fn commands(tcl: &str) -> Vec<String> {
 // @brief Split command into words.
 // @param command: &str
 pub fn words(command: &str) -> Vec<String> {
-    vec![]
+    let mut words: Vec<String> = vec![];
+    let mut new_word: String = String::new();
+    let mut quote: bool = false;
+
+    for character in command.chars() {
+        if quote {
+            new_word.push(character);
+            if character == '"' {
+                quote = false;
+            }
+        } else {
+            match character {
+                ' ' => {
+                    words.push(new_word.clone());
+                    new_word = String::new();
+                }
+                '"' => {
+                    new_word.push(character);
+                    quote = true;
+                }
+                _ => new_word.push(character),
+            }
+        }
+    }
+
+    words.push(new_word.clone());
+
+    return words;
 }

src/tests.rs

@@ -52,3 +52,17 @@ fn test_words_simple() {
     let case: Vec<String> = words(testcase);
     assert_eq!(case, verify);
 }
+
+#[test]
+fn test_words_quoted() {
+    let testcase: &str = "routine \"argument with spaces\" 1234 0x543";
+    let verify: Vec<String> = vec![
+        String::from("routine"),
+        String::from("\"argument with spaces\""),
+        String::from("1234"),
+        String::from("0x543"),
+    ];
+
+    let case: Vec<String> = words(testcase);
+    assert_eq!(case, verify);
+}