/* This Source Code Form is subject to the terms of the Mozilla Public *License,v.2.0.IfacopyoftheMPLwasnotdistributedwiththis
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use std::collections::{BTreeSet, HashMap};
usecrate::*; use anyhow::{bail, Result};
type MetadataGroupMap = HashMap<String, MetadataGroup>;
// Create empty metadata groups based on the metadata items. pubfn create_metadata_groups(items: &[Metadata]) -> MetadataGroupMap { // Map crate names to MetadataGroup instances
items
.iter()
.filter_map(|i| match i {
Metadata::Namespace(namespace) => { let group = MetadataGroup {
namespace: namespace.clone(),
namespace_docstring: None,
items: BTreeSet::new(),
};
Some((namespace.crate_name.clone(), group))
}
Metadata::UdlFile(udl) => { let namespace = NamespaceMetadata {
crate_name: udl.module_path.clone(),
name: udl.namespace.clone(),
}; let group = MetadataGroup {
namespace,
namespace_docstring: None,
items: BTreeSet::new(),
};
Some((udl.module_path.clone(), group))
}
_ => None,
})
.collect::<HashMap<_, _>>()
}
/// Consume the items into the previously created metadata groups. pubfn group_metadata(group_map: &mut MetadataGroupMap, items: Vec<Metadata>) -> Result<()> { for item in items { if matches!(&item, Metadata::Namespace(_)) { continue;
}
let crate_name = calc_crate_name(item.module_path()).to_owned(); // XXX - kill clone?
let item = fixup_external_type(item, group_map); let group = match group_map.get_mut(&crate_name) {
Some(ns) => ns,
None => bail!("Unknown namespace for {item:?} ({crate_name})"),
}; if group.items.contains(&item) {
bail!("Duplicate metadata item: {item:?}");
}
group.add_item(item);
}
Ok(())
}
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