Tokens are now in Opts

src/lib.rs

@@ -16,9 +16,9 @@
  */
 
 pub mod errors;
-pub mod lexer;
 pub mod matches;
 mod opts;
+mod token;
 
 use std::env::Args;
 

src/opts.rs

@@ -18,33 +18,45 @@
 use std::collections::HashMap;
 use std::collections::VecDeque;
 
-use lexer;
+use errors::Error;
+use token::Token;
 
 pub struct Opts {
     pub opts: HashMap<String, bool>,
     pub args: VecDeque<String>,
+    tokens: Vec<Token>
 }
 
 impl Opts {
-    pub fn new(options: &[&'static str]) -> Opts {
-        let opts: Hashmap<String, bool> = HashMap::new();
-        let args: VecDeque<String> = VecDeque::new();
+    pub fn new(options: &[&str]) -> Result<Opts, Error> {
+        let mut opts: Hashmap<String, bool> = HashMap::new();
+        let mut args: VecDeque<String> = VecDeque::new();
+        let mut tokens: Vec<Token> = Vec::new();
         
-        for opt in opts.iter() {
-            if opt.is_arg {
-                args.push_back(String::from(opt.name()));
-            } else {
-                opts.insert(String::from(opt.name()), opt.has_arg);
-           }
+        for opt in options.iter() {
+            let token = match Token::new(opt) {
+                Ok(t) => t,
+                Err(why) => return Err(why)
+            };
+            
+            if !token.is_group {
+                if token.is_arg {
+                    args.push_back(String::from(token.name()));
+                } else {
+                    opts.insert(String::from(token.name()), token.has_arg);
+                }
+            }
+            tokens.push(token);
         }
         
         opts.insert(String::from("-h", false));
         opts.insert(String::from("--help", false));
         
-        Opts {
+        Ok(Opts {
             opts: opts,
-            args: args
-        }
+            args: args,
+            tokens: tokens
+        })
     }
 
     pub fn get_opt(&self, opt_name: &String) -> Option<&bool> {

src/token.rs

@@ -31,7 +31,7 @@ pub struct Token {
 }
 
 impl Token {
-    pub fn new(input: &str, padding: usize) -> Result<Token, Error> {
+    pub fn new(input: &str) -> Result<Token, Error> {
         let mut short_name = String::new();
         let mut long_name = String::new();
         let mut description = String::new();
@@ -88,7 +88,7 @@ impl Token {
             has_arg: has_arg,
             is_group: is_group,
             description: description,
-            padding: padding
+            padding: 0
         })
     }
     
@@ -102,14 +102,8 @@ impl Token {
         }
     }
     
-    pub fn fmt_with_padding(&self, padding: usize) -> String {
-        let mut name = format!("-{}, --{}", self.short_name, self.long_name);
-
-        for _ in 0..padding {
-            name.push(' ');
-        }
-
-        name
+    pub fn adjust_padding(&self, padding: usize) {
+        self.padding = padding;
     }
 }
 
@@ -123,7 +117,7 @@ impl Display for Token {
         let repr = if self.is_group {
             format!("{}:", self.description)
         } else {
-            format!("-{}, --{}{}{}", self.short_name, self.long_name, spacing self.description)
+            format!("  -{}, --{}{}{}", self.short_name, self.long_name, spacing self.description)
         };
 
         write!(f, "{}", repr)