feat: works

src/args.rs

@@ -0,0 +1,35 @@
+use clap::{ArgMatches, App, Arg};
+
+pub enum PlistFormat {
+    Xml,
+    Binary,
+}
+
+pub struct ParsedArgs {
+    pub in_file: String,
+    pub format: PlistFormat,
+}
+
+pub fn parse_args(matches: ArgMatches<'static>) -> ParsedArgs {
+    ParsedArgs {
+        in_file: matches.value_of("FILE").unwrap().to_string(),
+        format: match matches.value_of("format") {
+            Some("xml") => PlistFormat::Xml,
+            Some("bin") | Some("binary") => PlistFormat::Binary,
+            _ => failure_and_exit!("Plist format error."),
+        },
+    }
+}
+
+pub fn get_args_matches() -> ArgMatches<'static> {
+    App::new(env!("CARGO_PKG_NAME"))
+        .version(env!("CARGO_PKG_VERSION"))
+        .author(env!("CARGO_PKG_AUTHORS"))
+        .about(env!("CARGO_PKG_DESCRIPTION"))
+        .arg(Arg::with_name("format").short("f").long("format").takes_value(true)
+            .default_value("xml")
+            .possible_values(&["xml", "binary", "bin"])
+            .help("Output plist format")
+        ).arg(Arg::with_name("FILE").required(true).index(1).help("plist file name"))
+        .get_matches()
+}