Add -y, --yes and -n, --no flags (currently unused)

src/cli.rs

@@ -22,6 +22,16 @@ pub enum CommandKind {
     ),
 }
 
+#[derive(PartialEq, Eq, Debug)]
+pub enum Flags {
+    // No flags supplied
+    None,
+    // Flag -y, --yes supplied
+    AlwaysYes,
+    // Flag -n, --no supplied
+    AlwaysNo
+}
+
 #[derive(PartialEq, Eq, Debug)]
 pub struct Command {
     pub kind: CommandKind,
@@ -63,12 +73,43 @@ Please relate any issues or contribute at https://github.com/vrmiguel/ouch")
                 .help("The output directory or compressed file.")
                 .takes_value(true),
         )
+        .arg(
+            Arg::with_name("yes")
+                .required(false)
+                .multiple(false)
+                .long("yes")
+                .short("y")
+                .help("Says yes to all confirmation dialogs.")
+                .conflicts_with("no")
+                .takes_value(false),
+        )
+        .arg(
+            Arg::with_name("no")
+                .required(false)
+                .multiple(false)
+                .long("no")
+                .short("n")
+                .help("Says no to all confirmation dialogs.")
+                .conflicts_with("yes")
+                .takes_value(false),
+        )
 }
 
 pub fn get_matches() -> clap::ArgMatches<'static> {
     clap_app().get_matches()
 }
 
+pub fn parse_matches(matches: clap::ArgMatches<'static>) -> crate::Result<(Command, Flags)> {
+    let flag = match (matches.is_present("yes"), matches.is_present("no")) {
+        (true, true) => unreachable!(),
+        (true, _) => Flags::AlwaysYes,
+        (_, true) => Flags::AlwaysNo,
+        (_, _) => Flags::None
+    };
+
+    Ok((Command::try_from(matches)?, flag))
+}
+
 impl TryFrom<clap::ArgMatches<'static>> for Command {
     type Error = crate::Error;
 

src/main.rs

@@ -9,24 +9,12 @@ mod file;
 mod test;
 mod utils;
 
-use std::convert::TryFrom;
-
 use error::{Error, Result};
 use evaluator::Evaluator;
 
 fn main() -> crate::Result<()> {
     let matches = cli::get_matches();
-    let command = cli::Command::try_from(matches)?;
+    // let command = cli::Command::try_from(matches)?;
+    let (command, _flags) = cli::parse_matches(matches)?;
     Evaluator::evaluate(command)
 }
-
-// fn main() -> crate::Result<()> {
-//     let dialog = dialogs::Confirmation::new("Do you want to overwrite 'FILE'?", Some("FILE"));
-
-//     match dialog.ask(Some("file.tar.gz"))? {
-//         true => println!("deleting"),
-//         false => println!("keeping")
-//     };
-
-//     Ok(())
-// }