Simplify main

src/main.rs

@@ -1,31 +1,11 @@
 #![allow(dead_code)]
 #![warn(unused_extern_crates)]
 
-#[cfg(feature = "macros")]
-pub extern crate asn1rs_macros as macros;
-
-// provide an empty module, so that `use asn1rs::macros::*;` does not fail
-#[cfg(not(feature = "macros"))]
-pub mod macros {}
-
-#[macro_use]
-pub mod internal_macros;
-
-#[macro_use]
-extern crate serde_derive;
-
-pub mod io;
-pub mod prelude;
-pub mod syn;
-
-pub mod cli;
-pub mod converter;
-
-use crate::cli::ConversionTarget;
-use asn1rs::converter::Converter;
+mod converter;
+use converter::Converter;
 
 pub fn main() {
-    let params = <cli::Parameters as clap::Parser>::parse();
+    let params = <Parameters as clap::Parser>::parse();
     let mut converter = Converter::default();
 
     for source in &params.source_files {
@@ -56,3 +36,42 @@ pub fn main() {
         }
     }
 }
+
+#[derive(clap::Parser, Debug)]
+#[command(author, version, about, long_about = None)] // Read from `Cargo.toml`
+pub struct Parameters {
+    #[arg(
+        short = 'n',
+        long = "rust-fields-not-public",
+        env = "RUST_FIELDS_NOT_PUBLIC",
+        help = "Whether the fields in the generated rust code are marked 'pub'"
+    )]
+    pub rust_fields_not_public: bool,
+    #[arg(
+        short = 'g',
+        long = "rust-getter-and-setter",
+        env = "RUST_GETTER_AND_SETTER",
+        help = "Whether to generate getter and setter for the fields of the generated rust structs"
+    )]
+    pub rust_getter_and_setter: bool,
+    #[arg(
+        value_enum,
+        short = 't',
+        long = "convert-to",
+        env = "CONVERT_TO",
+        help = "The target to convert the input files to",
+        default_value = "rust"
+    )]
+    pub conversion_target: ConversionTarget,
+    #[arg(env = "DESTINATION_DIR")]
+    pub destination_dir: String,
+    #[arg(env = "SOURCE_FILES")]
+    pub source_files: Vec<String>,
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, clap::ValueEnum)]
+pub enum ConversionTarget {
+    Rust,
+    #[cfg(feature = "protobuf")]
+    Proto,
+}