From ce6f5300fd86042a55be531d3d9d5c7c2dd97fcf Mon Sep 17 00:00:00 2001
From: Akemi Izuko <akemi@noway.moe>
Date: Wed, 15 Nov 2023 21:15:53 -0700
Subject: [PATCH] Initial params loading

---
 Cargo.toml  |  2 ++
 params.toml |  5 +++++
 src/main.rs | 20 ++++++++++++++++++--
 3 files changed, 25 insertions(+), 2 deletions(-)
 create mode 100644 params.toml

diff --git a/Cargo.toml b/Cargo.toml
index 292fad3..8ba95fe 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,3 +6,5 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+clap = { version = "4.4.8", features = ["derive"]}
+toml = "0.8.8"
diff --git a/params.toml b/params.toml
new file mode 100644
index 0000000..0d287a7
--- /dev/null
+++ b/params.toml
@@ -0,0 +1,5 @@
+[global_flow]
+gen_decl = 0.4
+gen_subroutine = 0.3
+gen_typedef = 0.0
+gen_generation = 0.3
diff --git a/src/main.rs b/src/main.rs
index e7a11a9..dd96a80 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,19 @@
-fn main() {
-    println!("Hello, world!");
+use std::fs;
+use std::path::PathBuf;
+use clap::Parser;
+
+#[derive(Parser)]
+#[command(author, version, about, long_about = None)]
+struct Args {
+    config: PathBuf,
+}
+
+fn main() {
+    let args = Args::parse();
+    let params_toml = fs::read_to_string(&args.config)
+        .expect("Failed to read parameters file into string")
+        .parse::<toml::Table>()
+        .expect("Failed to parse TOML from parameters file");
+
+    println!("{}", params_toml["global_flow"]["gen_decl"]);
 }