agent-source-repository 0.1.0

Agent Source Repository local context registry for coding agents
Documentation 
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use std::path::Path;

use crate::model::Chunk;
use crate::path_lookup::path_lookup_candidates;

pub(crate) fn resolve_chunk<'a>(
    chunks: &'a [Chunk],
    file_path: &str,
    line: usize,
) -> Option<&'a Chunk> {
    let lookup_paths = path_lookup_candidates(file_path);
    let normalized_input = file_path.replace('\\', "/");
    let mut fallback = None;

    for chunk in chunks {
        let matches_path = lookup_paths.iter().any(|path| path == &chunk.file_path)
            || Path::new(file_path).is_absolute()
                && normalized_input.ends_with(chunk.file_path.as_str());
        if matches_path && chunk.start_line <= line && line <= chunk.end_line {
            if line < chunk.end_line {
                return Some(chunk);
            }
            if fallback.is_none() {
                fallback = Some(chunk);
            }
        }
    }
    fallback
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn chunk_lookup_accepts_leading_dot_path() {
        let chunks = vec![Chunk::new(
            "fn main() {}".to_string(),
            "src/main.rs".to_string(),
            1,
            1,
            Some("rust".to_string()),
        )];

        assert!(resolve_chunk(&chunks, "src/main.rs", 1).is_some());
        assert!(resolve_chunk(&chunks, "./src/main.rs", 1).is_some());
    }
}