feat: start cli

Cargo.toml

@@ -2,6 +2,7 @@
 members = [
         "protocol",
         "server",
+        "cli"
 ]
 resolver = "2"
 

cli/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "oxcr_cli"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+oxcr_protocol.workspace = true

cli/src/cli.rs

@@ -0,0 +1,32 @@
+//! Spanned-clap, lol
+
+use std::path::PathBuf;
+
+use aott::prelude::*;
+use oxcr_protocol::{aott, bytes::Bytes};
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub enum CliSerOp {
+    Encode,
+    Decode,
+}
+
+#[derive(Debug, Clone)]
+pub enum CliSerOperand {
+    File(PathBuf),
+    Data(Bytes),
+}
+
+#[derive(Debug, Clone)]
+pub struct CliSer {
+    pub operation: CliSerOp,
+    pub operand: CliSerOperand,
+}
+
+#[derive(Debug, Clone)]
+pub enum Cli {
+    Serialization(CliSer),
+}
+
+#[parser(extras = Extra)]
+pub fn yay(input: &str) -> Cli {}

cli/src/error.rs

@@ -0,0 +1,28 @@
+use oxcr_protocol::{
+    aott,
+    miette::{self, SourceSpan},
+    ser::any_of,
+    thiserror,
+};
+
+#[derive(miette::Diagnostic, thiserror::Error, Debug)]
+pub enum ParseErrorKind {
+    #[error("expected {expected}, found {found}")]
+    Expected { expected: Expectation, found: char },
+    #[error("unexpected end of input")]
+    UnexpectedEof,
+}
+
+#[derive(Debug, thiserror::Error)]
+pub enum Expectation {
+    #[error("{}", any_of(.0))]
+    AnyOf(Vec<char>),
+    #[error("end of input")]
+    EndOfInput,
+}
+
+#[derive(miette::Diagnostic, thiserror::Error, Debug)]
+pub struct ParseError {
+    #[label = "here"]
+    pub span: SourceSpan,
+}

cli/src/main.rs

@@ -0,0 +1,15 @@
+use oxcr_protocol::miette::Report;
+
+mod cli;
+mod error;
+
+fn run() -> Result<(), Report> {
+    let mut args = std::env::args();
+
+    match args.next() {
+        None => panic!("what"),
+        Some(path) => {
+            let arguments: String = args.collect();
+        }
+    }
+}