move codegen to xtask

.cargo/config.toml

@@ -0,0 +1,2 @@
+[alias]
+xtask = "run --package xtask --"

Cargo.lock

@@ -37,15 +37,6 @@ dependencies = [
  "tracing-subscriber",
 ]
 
-[[package]]
-name = "amqp_codegen"
-version = "0.1.0"
-dependencies = [
- "heck",
- "itertools",
- "strong-xml",
-]
-
 [[package]]
 name = "amqp_transport"
 version = "0.1.0"
@@ -672,3 +663,12 @@ name = "xmlparser"
 version = "0.13.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "114ba2b24d2167ef6d67d7d04c8cc86522b87f490025f39f0303b7db5bf5e3d8"
+
+[[package]]
+name = "xtask"
+version = "0.1.0"
+dependencies = [
+ "heck",
+ "itertools",
+ "strong-xml",
+]

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
-members = ["./amqp_transport", "./amqp_codegen"]
+members = [".", "./amqp_transport", "xtask"]
 
 [package]
 name = "amqp"

amqp_codegen/README.md

@@ -1,3 +0,0 @@
-codegen for method serialization/deserialization
-
-run using `cargo r > ../amqp_transport/src/classes/generated.rs`

xtask/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "amqp_codegen"
+name = "xtask"
 version = "0.1.0"
 edition = "2021"
 
@@ -8,6 +8,4 @@ edition = "2021"
 [dependencies]
 heck = "0.4.0"
 itertools = "0.10.3"
-strong-xml = "0.6.3"
-
-[features]
+strong-xml = "0.6.3"

xtask/src/codegen/mod.rs

@@ -2,13 +2,15 @@ mod parser;
 mod random;
 mod write;
 
-use crate::parser::codegen_parser;
-use crate::random::codegen_random;
-use crate::write::codegen_write;
 use heck::ToUpperCamelCase;
+use parser::codegen_parser;
+use random::codegen_random;
 use std::fs;
 use std::iter::Peekable;
+use std::path::PathBuf;
+use std::str::FromStr;
 use strong_xml::XmlRead;
+use write::codegen_write;
 
 #[derive(Debug, XmlRead)]
 #[xml(tag = "amqp")]
@@ -97,8 +99,15 @@ struct Doc {
     kind: Option<String>,
 }
 
-fn main() {
-    let content = fs::read_to_string("./amqp0-9-1.xml").unwrap();
+pub fn main() {
+    let this_file = PathBuf::from_str(file!()).unwrap();
+    let expected_location = this_file
+        .parent()
+        .unwrap()
+        .parent()
+        .unwrap()
+        .join("amqp0-9-1.xml");
+    let content = fs::read_to_string(expected_location).unwrap();
 
     let amqp = match Amqp::from_str(&content) {
         Ok(amqp) => amqp,

xtask/src/codegen/parser.rs

@@ -1,4 +1,4 @@
-use crate::{
+use super::{
     field_type, resolve_type_from_domain, snake_case, subsequent_bit_fields, Amqp, Assert, Class,
     Domain, Method,
 };
@@ -17,7 +17,7 @@ fn domain_function_name(domain_name: &str) -> String {
     format!("domain_{domain_name}")
 }
 
-pub(crate) fn codegen_parser(amqp: &Amqp) {
+pub(super) fn codegen_parser(amqp: &Amqp) {
     println!(
         "pub mod parse {{
 use super::*;

xtask/src/codegen/random.rs

@@ -1,7 +1,7 @@
-use crate::{snake_case, Amqp};
+use super::{snake_case, Amqp};
 use heck::ToUpperCamelCase;
 
-pub(crate) fn codegen_random(amqp: &Amqp) {
+pub(super) fn codegen_random(amqp: &Amqp) {
     println!(
         "#[cfg(test)]
 mod random {{

xtask/src/codegen/write.rs

@@ -1,7 +1,7 @@
-use crate::{field_type, resolve_type_from_domain, snake_case, subsequent_bit_fields, Amqp};
+use super::{field_type, resolve_type_from_domain, snake_case, subsequent_bit_fields, Amqp};
 use heck::ToUpperCamelCase;
 
-pub(crate) fn codegen_write(amqp: &Amqp) {
+pub(super) fn codegen_write(amqp: &Amqp) {
     println!(
         "pub mod write {{
 use super::*;

xtask/src/main.rs

@@ -0,0 +1,22 @@
+mod codegen;
+
+fn main() {
+    let command = std::env::args().nth(1).unwrap_or_else(|| {
+        eprintln!("No task provided");
+        help();
+        std::process::exit(1);
+    });
+
+    match command.as_str() {
+        "generate" | "gen" => codegen::main(),
+        _ => eprintln!("Unknown command {command}."),
+    }
+}
+
+fn help() {
+    println!(
+        "Available tasks:
+generate - Generate amqp method code in `amqp_transport/src/classes/generated.rs.
+           Dumps code to stdout and should be redirected manually."
+    );
+}