added flag processing

src/main.rs

@@ -1,22 +1,57 @@
 use std::env;
 
 mod cliargs;
+mod errorhandler;
 
-fn main() {
+fn main() 
+{
     let args: Vec<String> = env::args().collect();
-    for i in args.iter()
+    let flags: Vec<&str> = ["-h", "--help", "-v", "--version", "-i", "--install"];
+    flagcheck(args, flags);
+    flagprocessing(args, flags);
+    
+}
+
+// NEW CONCEPT CAUSE OLD ONE IS GARBAGE:
+// - move args from old to new vector one by one when checked
+// - spit out error when leftover elements in old vector
+// - process elements of new vector
+
+fn flagcheck(args: Vec<String>, flags: Vec<&str>) 
+{
+    let mut skip = 1; //first element in flags vector always skipped since it's the scripts directory and therefore garbage data
+    for c in args.iter()
     {
-        match i.as_str()
+        if !flags.contains(&c)
         {
-            "--help" => cliargs::help(),
-            _ => {
-                if !args.iter().position(|r| r.as_str() == i).unwrap().parse() == 0
-                {
-                    println!("Error")
+            errorhandler::error(c.as_str());
+            std::process::exit(-1);
         } else {
-                    println!("{}", args.iter().position(|r| r.as_str() == i).unwrap());
+            match c.as_str()
+            {
+                "-i" => skip += 1
             }
-            },
+        }
+    }
+}
+
+fn flagprocessing(args: Vec<String>, flags: Vec<&str>)
+{
+    let mut skip = 1; //first element in flags vector always skipped since it's the scripts directory and therefore garbage data
+    for c in args.iter()
+    {
+        if skip == 0
+        {
+            match c.as_str()
+            {
+                "--help" => cliargs::help(),
+                _ => {
+                    errorhandler::unexpectederror();
+                    std::process::exit(-1);
+                },
+            }
+        } else {
+            skip -= 1;
         }
     }
 }