move event parsing to derive macros

derive/examples/expand.rs

@@ -0,0 +1,23 @@
+use tf_log_parser::{
+    event::{param_parse, parse_field, quoted, ParamIter},
+    Event, IResult,
+};
+
+#[derive(Event)]
+pub struct DamageEvent<'a> {
+    #[event(name = "against")]
+    pub target: RawSubject<'a>,
+    pub damage: Option<NonZeroU32>,
+    #[event(name = "realdamage")]
+    pub real_damage: Option<NonZeroU32>,
+    pub weapon: Option<&'a str>,
+}
+
+#[derive(Event)]
+pub struct ShotFiredEvent {
+    #[event(quoted)]
+    pub weapon: u32,
+    pub damage: Option<u32>,
+}
+
+pub fn main() {}