Binary: begin moving flag discovery out of program logic

src/haggis.rs

@@ -25,14 +25,14 @@ mod cli;
 
 static TEMPLATE: &str = "[ {prefix:^30!} ] {wide_bar}{pos:>5.cyan}/{len:5.green}";
 
-struct Flags {
+struct ListingFlags {
     files: bool,
     color: bool,
     long: bool,
     human: bool,
 }
 
-impl From<&ArgMatches> for Flags {
+impl From<&ArgMatches> for ListingFlags {
     fn from(value: &ArgMatches) -> Self {
         Self {
             files: value.get_flag("files"),
@@ -43,6 +43,39 @@ impl From<&ArgMatches> for Flags {
     }
 }
 
+enum Verbosity {
+    Quiet,
+    Normal,
+    Verbose,
+}
+
+impl From<&ArgMatches> for Verbosity {
+    fn from(value: &ArgMatches) -> Self {
+        if matches.get_flag("quiet") {
+            Self::Quiet
+        } else if matches.get_flag("verbose") && !matches.get_flag("stdout") {
+            Self::Verbose
+        } else {
+            Self::Normal
+        }
+    }
+}
+
+struct CreateFlags {
+    algorithm: Algorithm,
+    zstd_compression: Option<i32>,
+    verbosity: Verbosity,
+    stdout: bool,
+    uid: Option<u32>,
+    gid: Option<u32>,
+}
+
+impl From<&ArgMatches> for CreateFlags {
+    fn from(value: &ArgMatches) -> Self {
+        todo!()
+    }
+}
+
 fn main() {
     let matches = cli::haggis().get_matches();
     match matches.subcommand() {
@@ -318,17 +351,18 @@ fn progress(file: &str, receiver: &mpsc::Receiver<StreamMessage>, len: u64, matc
 }
 
 fn print_listing(li: &Listing, matches: &ArgMatches) -> Result<(), haggis::Error> {
-    if matches.get_flag("files") && li.kind == ListingKind::Directory {
+    let flags = ListingFlags::from(matches);
+    if flags.files && li.kind == ListingKind::Directory {
         return Ok(());
     }
-    if matches.get_flag("color") {
-        if matches.get_flag("long") {
-            li.print_color(matches.get_flag("human"))?;
+    if flags.color {
+        if flags.long {
+            li.print_color(flags.human)?;
         } else {
             li.print_color_simple()?;
         }
-    } else if matches.get_flag("long") {
-        li.print(matches.get_flag("human"));
+    } else if flags.long {
+        li.print(flags.human);
     } else {
         println!("{}", li.name);
     }