plexus_core/plexus/
path.rs

1use serde::{Deserialize, Serialize};
2
3/// Tracks provenance through nested behavior calls
4#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]
5pub struct Provenance {
6    /// Ordered list of behavior names in call chain
7    /// Example: ["health"], ["agent", "loom"]
8    segments: Vec<String>,
9}
10
11impl Provenance {
12    pub fn root(behavior_name: impl Into<String>) -> Self {
13        Self {
14            segments: vec![behavior_name.into()],
15        }
16    }
17
18    pub fn extend(&self, behavior_name: impl Into<String>) -> Self {
19        let mut new_path = self.clone();
20        new_path.segments.push(behavior_name.into());
21        new_path
22    }
23
24    pub fn depth(&self) -> usize {
25        self.segments.len()
26    }
27
28    pub fn segments(&self) -> &[String] {
29        &self.segments
30    }
31
32    pub fn parent(&self) -> Option<Self> {
33        if self.segments.len() <= 1 {
34            None
35        } else {
36            Some(Self {
37                segments: self.segments[..self.segments.len() - 1].to_vec(),
38            })
39        }
40    }
41}
42
43impl std::fmt::Display for Provenance {
44    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
45        write!(f, "{}", self.segments.join("."))
46    }
47}
plexus_core/plexus/path.rs

plexus_core/plexus/
path.rs
