Files
jspg/validator/src/roots.rs

108 lines
2.6 KiB
Rust

use std::collections::{HashMap, HashSet};
use crate::{compiler::CompileError, draft::*, loader::DefaultUrlLoader, root::Root, util::*};
use serde_json::Value;
use url::Url;
// --
pub(crate) struct Roots {
pub(crate) default_draft: &'static Draft,
map: HashMap<Url, Root>,
pub(crate) loader: DefaultUrlLoader,
}
impl Roots {
fn new() -> Self {
Self {
default_draft: latest(),
map: Default::default(),
loader: DefaultUrlLoader::new(),
}
}
}
impl Default for Roots {
fn default() -> Self {
Self::new()
}
}
impl Roots {
pub(crate) fn get(&self, url: &Url) -> Option<&Root> {
self.map.get(url)
}
pub(crate) fn resolve_fragment(&mut self, uf: UrlFrag) -> Result<UrlPtr, CompileError> {
self.or_load(uf.url.clone())?;
let Some(root) = self.map.get(&uf.url) else {
return Err(CompileError::Bug("or_load didn't add".into()));
};
root.resolve_fragment(&uf.frag)
}
pub(crate) fn ensure_subschema(&mut self, up: &UrlPtr) -> Result<(), CompileError> {
self.or_load(up.url.clone())?;
let Some(root) = self.map.get_mut(&up.url) else {
return Err(CompileError::Bug("or_load didn't add".into()));
};
if !root.draft.is_subschema(up.ptr.as_str()) {
let doc = self.loader.load(&root.url)?;
let v = up.ptr.lookup(doc, &up.url)?;
root.draft.validate(up, v)?;
root.add_subschema(doc, &up.ptr)?;
}
Ok(())
}
pub(crate) fn or_load(&mut self, url: Url) -> Result<(), CompileError> {
debug_assert!(url.fragment().is_none(), "trying to add root with fragment");
if self.map.contains_key(&url) {
return Ok(());
}
let doc = self.loader.load(&url)?;
let r = self.create_root(url.clone(), doc)?;
self.map.insert(url, r);
Ok(())
}
pub(crate) fn create_root(&self, url: Url, doc: &Value) -> Result<Root, CompileError> {
let draft = {
let up = UrlPtr {
url: url.clone(),
ptr: "".into(),
};
self.loader
.get_draft(&up, doc, self.default_draft, HashSet::new())?
};
let vocabs = self.loader.get_meta_vocabs(doc, draft)?;
let resources = {
let mut m = HashMap::default();
draft.collect_resources(doc, &url, "".into(), &url, &mut m)?;
m
};
if !matches!(url.host_str(), Some("json-schema.org")) {
draft.validate(
&UrlPtr {
url: url.clone(),
ptr: "".into(),
},
doc,
)?;
}
Ok(Root {
draft,
resources,
url: url.clone(),
meta_vocabs: vocabs,
})
}
pub(crate) fn insert(&mut self, roots: &mut HashMap<Url, Root>) {
self.map.extend(roots.drain());
}
}