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Precompute dot_pointer for level_key (DSK-139) #180

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Merged
daisuke8000 merged 1 commit into from
Jul 5, 2026
Merged

Precompute dot_pointer for level_key (DSK-139) #180

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7 changes: 6 additions & 1 deletion crates/rustern-core/src/pipeline/level_classify.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,9 @@ pub fn level_classify<S>(
where
S: Stream<Item = Result<LogEvent, LogSourceError>> + Send + 'static,
{
let serde_level_pointer = level_key
.as_ref()
.map(|key| crate::source::parsed_json::json_pointer_from_dot_path(key));
inner.map(move |r| {
r.map(|mut ev| {
let Some(ref key) = level_key else {
Expand All @@ -40,7 +43,9 @@ where
let Some(ref parsed) = ev.structured else {
return ev;
};
if let Some(lv) = parsed.level_str_at_dot_path(key) {
if let Some(lv) =
parsed.level_str_at_dot_path_with_serde_pointer(key, serde_level_pointer.as_deref())
{
ev.level = Some(classify_str(lv));
}
ev
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18 changes: 15 additions & 3 deletions crates/rustern-core/src/source/parsed_json.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,10 +14,22 @@ pub(crate) struct JaqConvertError;

impl ParsedJson {
pub fn level_str_at_dot_path(&self, dot_path: &str) -> Option<&str> {
self.level_str_at_dot_path_with_serde_pointer(dot_path, None)
}

pub(crate) fn level_str_at_dot_path_with_serde_pointer(
&self,
dot_path: &str,
serde_pointer: Option<&str>,
) -> Option<&str> {
match self {
Self::Serde(v) => {
let ptr = dot_pointer(dot_path);
v.pointer(&ptr).and_then(|x| x.as_str())
if let Some(ptr) = serde_pointer {
v.pointer(ptr).and_then(|x| x.as_str())
} else {
let ptr = json_pointer_from_dot_path(dot_path);
v.pointer(&ptr).and_then(|x| x.as_str())
}
}
Self::Jaq(v) => val_dot_path(v, dot_path).and_then(val_as_str),
}
Expand All @@ -38,7 +50,7 @@ impl ParsedJson {
}
}

fn dot_pointer(path: &str) -> String {
pub(crate) fn json_pointer_from_dot_path(path: &str) -> String {
if path.is_empty() {
return String::new();
}
Expand Down