feat: fix handling of groups and components in message parser

crates/hotfix-message/Cargo.toml

@@ -22,6 +22,7 @@ workspace = true
 hotfix-derive = { version = "0.1.2", path = "../hotfix-derive" }
 hotfix-dictionary = { version = "0.1.2", path = "../hotfix-dictionary" }
 
+anyhow.workspace = true
 chrono.workspace = true
 indexmap.workspace = true
 thiserror.workspace = true

crates/hotfix-message/benches/message_parsing.rs

@@ -1,22 +1,22 @@
 use criterion::{Criterion, criterion_group, criterion_main};
 use hotfix_dictionary::Dictionary;
-use hotfix_message::message::{Config, Message};
+use hotfix_message::MessageBuilder;
+use hotfix_message::message::Config;
 use std::hint::black_box;
 
 const EXECUTION_REPORT_MESSAGE: &[u8] = b"8=FIX.4.4|9=247|35=8|34=2|49=Broker|52=20231103-09:30:00|56=Client|11=Order12345|17=Exec12345|150=0|39=0|55=APPL|54=1|38=100|32=50|31=150.00|151=50|14=50|6=150.00|453=2|448=PARTYA|447=D|452=1|802=2|523=SUBPARTYA1|803=1|523=SUBPARTYA2|803=2|448=PARTYB|447=D|452=2|10=129|";
 const CONFIG: Config = Config::with_separator(b'|');
 
-fn parse_message(dict: &Dictionary) {
-    let message = Message::from_bytes(&CONFIG, dict, black_box(EXECUTION_REPORT_MESSAGE))
-        .into_message()
-        .unwrap();
-    black_box(message);
+fn parse_message(builder: &MessageBuilder) {
+    let parsed = builder.build(black_box(EXECUTION_REPORT_MESSAGE));
+    black_box(parsed);
 }
 
 fn message_parsing_benchmark(c: &mut Criterion) {
     let dict = Dictionary::fix44();
+    let builder = MessageBuilder::new(dict.clone(), CONFIG).unwrap();
     c.bench_function("parse message", |b| {
-        b.iter(|| parse_message(black_box(&dict)))
+        b.iter(|| parse_message(black_box(&builder)))
     });
 }