tsk-22: Add function to parse env variable to a vector of strings (#25)

Closes #22

Reviewed-on: phoenix/icarus_envy#25
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

src/lib.rs

@@ -1,15 +1,39 @@
 pub mod environment;
 pub mod keys;
+pub mod utility;
 
 #[derive(Debug, Default, Clone)]
 pub struct EnvVar {
     pub key: String,
     pub value: String,
+    pub has_delimiter: bool,
+    pub delimiter: char,
 }
 
 pub fn init_envvar(key: &str, value: &str) -> EnvVar {
     EnvVar {
         key: key.to_string(),
         value: value.to_string(),
+        has_delimiter: false,
+        ..Default::default()
+    }
+}
+
+pub fn init_delimiter(envvar: &mut EnvVar, delimiter: char) {
+    let mut amount_of_delimiters_found: i32 = 0;
+
+    for v in envvar.value.chars() {
+        if v == delimiter {
+            amount_of_delimiters_found += 1;
+        }
+    }
+
+    let has_delimiter = amount_of_delimiters_found >= 1;
+
+    if has_delimiter {
+        envvar.has_delimiter = has_delimiter;
+        envvar.delimiter = delimiter;
+    } else {
+        envvar.has_delimiter = has_delimiter;
     }
 }