main(): Start adding command line argument parsing

3 files changed, 127 insertions, 0 deletions

diff --git a/Cargo.lock b/Cargo.lock
index e4177fd..18a86c9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -14,6 +14,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "autocfg"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+
+[[package]]
 name = "bitflags"
 version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -26,6 +32,34 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
+name = "clap"
+version = "3.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8c93436c21e4698bacadf42917db28b23017027a4deccb35dbe47a7e7840123"
+dependencies = [
+ "bitflags",
+ "clap_derive",
+ "indexmap",
+ "lazy_static",
+ "os_str_bytes",
+ "strsim",
+ "textwrap",
+]
+
+[[package]]
+name = "clap_derive"
+version = "3.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da95d038ede1a964ce99f49cbe27a7fb538d1da595e4b4f70b8c8f338d17bf16"
+dependencies = [
+ "heck",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
 name = "fallible-iterator"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -67,6 +101,28 @@ dependencies = [
 ]
 
 [[package]]
+name = "heck"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2540771e65fc8cb83cd6e8a237f70c319bd5c29f78ed1084ba5d50eeac86f7f9"
+
+[[package]]
+name = "indexmap"
+version = "1.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282a6247722caba404c065016bbfa522806e51714c34f5dfc3e4a3a46fcb4223"
+dependencies = [
+ "autocfg",
+ "hashbrown",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
 name = "libc"
 version = "0.2.119"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -101,12 +157,45 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "87f3e037eac156d1775da914196f0f37741a274155e34a0b7e427c35d2a2ecb9"
 
 [[package]]
+name = "os_str_bytes"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e22443d1643a904602595ba1cd8f7d896afe56d26712531c5ff73a15b2fbf64"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
 name = "pkg-config"
 version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "58893f751c9b0412871a09abd62ecd2a00298c6c83befa223ef98c52aef40cbe"
 
 [[package]]
+name = "proc-macro-error"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
+dependencies = [
+ "proc-macro-error-attr",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "version_check",
+]
+
+[[package]]
+name = "proc-macro-error-attr"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "version_check",
+]
+
+[[package]]
 name = "proc-macro2"
 version = "1.0.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -146,6 +235,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2dd574626839106c320a323308629dcb1acfc96e32a8cba364ddc61ac23ee83"
 
 [[package]]
+name = "strsim"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
+
+[[package]]
 name = "syn"
 version = "1.0.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -157,6 +252,12 @@ dependencies = [
 ]
 
 [[package]]
+name = "textwrap"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1141d4d61095b28419e22cb0bbf02755f5e54e0526f97f1e3d1d160e60885fb"
+
+[[package]]
 name = "thiserror"
 version = "1.0.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -213,6 +314,7 @@ dependencies = [
 name = "yaqlite"
 version = "0.0.1"
 dependencies = [
+ "clap",
  "rusqlite",
  "thiserror",
  "yaml-rust",
diff --git a/Cargo.toml b/Cargo.toml
index e015c77..d6fc66e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,3 +7,8 @@ edition = "2021"
 rusqlite = "0.27.0"
 thiserror = "1.0.30"
 yaml-rust = "0.4.5"
+
+[dependencies.clap]
+version = "3.1.6"
+default-features = false
+features = ["std", "derive", "suggestions"]
diff --git a/src/main.rs b/src/main.rs
index 0ec2724..b770fa9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,10 +1,30 @@
+use clap::Parser;
 use rusqlite;
 use yaml_rust::yaml;
 
 
+#[derive(clap::Parser, Debug)]
+#[clap()]
+struct Args {
+    #[clap(subcommand)]
+    command: Command,
+
+    #[clap(long)]
+    database: String,
+}
+
+#[derive(clap::Subcommand, Debug)]
+enum Command {
+    Insert,
+    Select,
+}
+
+
 fn main() {
     println!("Hello, world!");
 
+    let args = Args::parse();
+
     // Get column names from SQLite
 
     let mut dbconn = rusqlite::Connection::open("./test.db").unwrap();