rtango 0.2.0

Package manager for AI agent skills, agents, and system instruction files
Documentation 
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use std::path::{Path, PathBuf};

use crate::agent::detect::{self, DetectedAgent, DetectedSource, Detector, SourceKind};
use crate::agent::frontmatter::{self, FrontMatter, FrontMatterMapper};
use crate::agent::parse::{self, AgentsParser, SkillsParser};
use crate::agent::permission::Permission;
use crate::agent::write::{self, AgentsWriter, FrontMatterWriter, SkillsWriter};
use crate::agent::{Agent, AgentSet, Skill, SkillSet};
use crate::spec::AgentName;

const NAME: &str = "pi";
const DIR: &str = ".pi";

pub struct PiParser;

impl SkillsParser for PiParser {
    fn name(&self) -> AgentName {
        AgentName::new(NAME)
    }
    fn parse_skills(&self, root: &Path) -> anyhow::Result<SkillSet> {
        parse::parse_standard_skills(&root.join(format!("{DIR}/skills")), self)
    }
}

impl AgentsParser for PiParser {
    fn name(&self) -> AgentName {
        AgentName::new(NAME)
    }
    fn parse_agents(&self, root: &Path) -> anyhow::Result<AgentSet> {
        parse::parse_standard_agents(&root.join(format!("{DIR}/agents")), self)
    }
}

impl FrontMatterMapper for PiParser {
    fn parse_permission(&self, token: &str) -> Permission {
        Permission::Other(token.to_string())
    }

    fn parse_frontmatter(&self, yaml: &str) -> anyhow::Result<FrontMatter> {
        frontmatter::parse_standard_frontmatter(yaml, self)
    }
}

impl FrontMatterWriter for PiParser {
    fn format_permission(&self, _perm: &Permission) -> Option<String> {
        None
    }

    fn format_frontmatter(&self, fm: &FrontMatter) -> String {
        write::format_standard_frontmatter(fm, self)
    }
}

impl SkillsWriter for PiParser {
    fn name(&self) -> AgentName {
        AgentName::new(NAME)
    }
    fn write_skill(&self, root: &Path, skill: &Skill) -> anyhow::Result<PathBuf> {
        write::write_standard_skill(&root.join(format!("{DIR}/skills")), skill, self)
    }
}

impl AgentsWriter for PiParser {
    fn name(&self) -> AgentName {
        AgentName::new(NAME)
    }
    fn write_agent(&self, root: &Path, agent: &Agent) -> anyhow::Result<PathBuf> {
        write::write_standard_agent(&root.join(format!("{DIR}/agents")), agent, self)
    }
}

impl Detector for PiParser {
    fn name(&self) -> AgentName {
        AgentName::new(NAME)
    }

    fn detect(&self, root: &Path) -> Option<DetectedAgent> {
        let skills_dir = root.join(format!("{DIR}/skills"));
        let agents_dir = root.join(format!("{DIR}/agents"));

        let has_skills = detect::dir_has_standard_skills(&skills_dir);
        let has_agents = detect::dir_has_standard_agents(&agents_dir);

        if !has_skills && !has_agents {
            return None;
        }

        let mut sources = Vec::new();
        if has_skills {
            sources.push(DetectedSource {
                id: format!("{NAME}-skills"),
                path: PathBuf::from(format!("{DIR}/skills/")),
                kind: SourceKind::SkillSet,
            });
        }
        if has_agents {
            sources.push(DetectedSource {
                id: format!("{NAME}-agents"),
                path: PathBuf::from(format!("{DIR}/agents/")),
                kind: SourceKind::AgentSet,
            });
        }

        Some(DetectedAgent {
            name: Detector::name(self),
            sources,
        })
    }
}