add first draft of a gumdrop implementation

Cargo.lock

@@ -2,10 +2,6 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "adventofcode"
-version = "2022.1.0"
-
 [[package]]
 name = "aoc"
 version = "2022.1.0"
@@ -23,7 +19,7 @@ name = "aoc22-gdrop"
 version = "2022.1.0"
 dependencies = [
  "aoc",
- "clap",
+ "gumdrop",
 ]
 
 [[package]]
@@ -96,6 +92,26 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "gumdrop"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5bc700f989d2f6f0248546222d9b4258f5b02a171a431f8285a81c08142629e3"
+dependencies = [
+ "gumdrop_derive",
+]
+
+[[package]]
+name = "gumdrop_derive"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "729f9bd3449d77e7831a18abfb7ba2f99ee813dfd15b8c2167c9a54ba20aa99d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "heck"
 version = "0.4.0"

Cargo.toml

@@ -1,20 +1,6 @@
-[package]
-name = "adventofcode"
-version = "2022.1.0"
-edition = "2021"
-
-
 [workspace]
 members = [
 "aoc22-clap",
 "aoc22-gdrop",
 "aoc"
 ]
-
-[[bin]]
-name = "aoc22-clap"
-path = "aoc22-clap"
-
-[[bin]]
-name = "aoc22-gdrop"
-path = "aoc22-gdrop"

aoc22-gdrop/Cargo.toml

@@ -4,5 +4,5 @@ version = "2022.1.0"
 edition = "2021"
 
 [dependencies]
-clap = { version = "4.0.29", features = ["derive"] }
+gumdrop = "0.8"
 aoc = {path= "../aoc"}

aoc22-gdrop/src/cli/mod.rs

@@ -1,93 +1,90 @@
-use clap::{arg, Parser, Subcommand};
 use aoc::*;
+use gumdrop::Options;
 //use std::ffi::OsString;
 use std::path::PathBuf;
 
-#[derive(Parser)]
+#[derive(Debug, Options)]
-#[command(author, version, about, long_about = None)]
-#[command(propagate_version = true)]
 pub struct AdventOfCode2022 {
-    #[command(subcommand)]
+    // Options here can be accepted with any command (or none at all),
-    command: Commands,
+    // but they must come before the command name.
-    /// makes the commands more verbose
+    #[options(help = "print help message")]
-    #[arg(short, long)]
+    help: bool,
+    #[options(help = "be verbose")]
     verbose: bool,
+
+    // The `command` option will delegate option parsing to the command type,
+    // starting at the first free argument.
+    #[options(command)]
+    command: Option<Commands>,
 }
 
-#[derive(Subcommand)]
+#[derive(Debug, Options)]
 pub enum Commands {
-    /// Solution for the first day
+    #[options(name = "day001", help = "Solution for the first day")]
-    Day001 {
+    Day001(Day001Options),
+    #[options(name = "day002", help = "Solution for the second day")]
+    Day002(BasicOptions2),
+    #[options(name = "day003", help = "Solution for day 03")]
+    Day003(BasicOptions),
+    #[options(name = "day004", help = "Solution for day 04")]
+    Day004(BasicOptions),
+    #[options(name = "day005", help = "Solution for day 05")]
+    Day005(BasicOptions),
+    #[options(name = "day006", help = "Solution for day 06")]
+    Day006(BasicOptions),
+    #[options(name = "day007", help = "Solution for day 07")]
+    Day007(BasicOptions),
+    #[options(name = "day008", help = "Solution for day 08")]
+    Day008(BasicOptions),
+}
+
+#[derive(Debug, Options)]
+pub struct BasicOptions {
+    #[options(free, help = "file with input data")]
     file: Option<PathBuf>,
-        /// option to get more than the biggest value
+    #[options(help = "use alternative subfunction for part2")]
-        #[arg(short, long, default_value_t = 1)]
-        top: i32,
-        /// calc the sume of all wanted top positions
-        #[arg(long)]
-        total: bool,
-    },
-    /// Solution for the second day
-    Day002 {
-        file: Option<PathBuf>,
-        #[arg(long)]
     alt: bool,
-        /// select implemetation 0 = nomarl with debug, 1 = only result, 2 iter based
+}
-        #[arg(short, long, default_value_t = 0)]
+
+#[derive(Debug, Options)]
+pub struct BasicOptions2 {
+    #[options(free, help = "file with input data")]
+    file: Option<PathBuf>,
+    #[options(help = "use alternative subfunction for part2")]
+    alt: bool,
+    #[options(help = "switch between different implentations")]
     mode: u8,
-    },
+}
-    /// Solution for day 03
+
-    Day003 {
+#[derive(Debug, Options)]
+pub struct Day001Options {
+    #[options(free, help = "file with input data")]
     file: Option<PathBuf>,
-        #[arg(long)]
+    #[options(help = "use alternative subfunction for part2", default = "1")]
-        alt: bool,
+    top: i32,
-    },
+    #[options(help = "calc the sume of all wanted top positions")]
-    /// Solution for day 04
+    total: bool,
-    Day004 {
-        file: Option<PathBuf>,
-        #[arg(long)]
-        alt: bool,
-    },
-    /// Solution for day 05
-    Day005 {
-        file: Option<PathBuf>,
-        #[arg(long)]
-        alt: bool,
-    },
-    /// Solution for day 06
-    Day006 {
-        file: Option<PathBuf>,
-        #[arg(long)]
-        alt: bool,
-    },
-    /// Solution for day 07
-    Day007 {
-        file: Option<PathBuf>,
-        #[arg(long)]
-        alt: bool,
-    },
-    /// Solution for day 08
-    Day008 {
-        file: Option<PathBuf>,
-        #[arg(long)]
-        alt: bool,
-    },
 }
 
 pub fn execute_cli() {
-    let aoc2022 = AdventOfCode2022::parse();
+    let aoc2022 = AdventOfCode2022::parse_args_default_or_exit();
-    match &aoc2022.command {
+    match aoc2022.command {
-        Commands::Day001 { file, top, total } => subcmd_day001(&file, &top, &total),
+        Some(Commands::Day001(Day001Options { file, top, total })) => {
-        Commands::Day002 { file, alt, mode } => match mode {
+            Day001Options::p
+            subcmd_day001(&file, &top, &total)
+        },
+        Some(Commands::Day002(BasicOptions2 { file, alt, mode })) => match mode {
             0 => subcmd_day002(&file, &alt),
             1 => subcmd_day002_op(&file, &alt),
             2 => subcmd_day002_iter(&file, &alt),
             _ => panic!(),
         },
-        Commands::Day003 { file, alt } => subcmd_day003(&file, &alt),
+        Some(Commands::Day003(BasicOptions { file, alt })) => subcmd_day003(&file, &alt),
-        Commands::Day004 { file, alt } => subcmd_day004(&file, &alt),
+        Some(Commands::Day004(BasicOptions { file, alt })) => subcmd_day004(&file, &alt),
-        Commands::Day005 { file, alt } => subcmd_day005(&file, &alt),
+        Some(Commands::Day005(BasicOptions { file, alt })) => subcmd_day005(&file, &alt),
-        Commands::Day006 { file, alt } => subcmd_day006(&file, &alt),
+        Some(Commands::Day006(BasicOptions { file, alt })) => subcmd_day006(&file, &alt),
-        Commands::Day007 { file, alt } => subcmd_day007(&file, &alt),
+        Some(Commands::Day007(BasicOptions { file, alt })) => subcmd_day007(&file, &alt),
-        Commands::Day008 { file, alt } => subcmd_day008(&file, &alt)
+        Some(Commands::Day008(BasicOptions { file, alt })) => subcmd_day008(&file, &alt),
+        None => unreachable!(),
     }
 }