switchback-avro 0.0.1-0.dev.3

//! Vendored Avro format JSON Schemas from
//! [asyncapi/spec-json-schemas](https://github.com/asyncapi/spec-json-schemas).

use std::fs;
use std::io;
use std::path::{Path, PathBuf};

/// A vendored JSON Schema asset (SHA-256 in `meta-schemas.lock.toml`).
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct MetaSchemaAsset {
    /// Stable asset id in the lock file.
    pub id: &'static str,
    /// Path relative to `meta-schemas/`.
    pub relative_path: &'static str,
    /// Upstream raw URL.
    pub source_url: &'static str,
}

mod assets_inner {
    use super::MetaSchemaAsset;
    include!("meta_schemas_assets.rs");
}

pub use assets_inner::*;

/// Find a vendored asset by its relative path under `meta-schemas/`.
pub fn asset_by_path(path: &str) -> Option<&'static MetaSchemaAsset> {
    ALL.iter().find(|asset| asset.relative_path == path)
}

/// Root directory containing vendored meta-schema files.
pub fn manifest_dir() -> &'static Path {
    Path::new(concat!(env!("CARGO_MANIFEST_DIR"), "/meta-schemas"))
}

/// Resolve a vendored asset path on disk.
pub fn resolve_path(asset: &MetaSchemaAsset) -> PathBuf {
    manifest_dir().join(asset.relative_path)
}

/// Read a vendored asset as UTF-8 text.
pub fn read(asset: &MetaSchemaAsset) -> io::Result<String> {
    fs::read_to_string(resolve_path(asset))
}