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use crate::schema::{RootSchema, Schema, SchemaObject, SingleOrVec};
pub trait Visitor {
fn visit_root_schema(&mut self, root: &mut RootSchema) {
visit_root_schema(self, root)
}
fn visit_schema(&mut self, schema: &mut Schema) {
visit_schema(self, schema)
}
fn visit_schema_object(&mut self, schema: &mut SchemaObject) {
visit_schema_object(self, schema)
}
}
pub fn visit_root_schema<V: Visitor + ?Sized>(v: &mut V, root: &mut RootSchema) {
v.visit_schema_object(&mut root.schema);
visit_map_values(v, &mut root.definitions);
}
pub fn visit_schema<V: Visitor + ?Sized>(v: &mut V, schema: &mut Schema) {
if let Schema::Object(schema) = schema {
v.visit_schema_object(schema)
}
}
pub fn visit_schema_object<V: Visitor + ?Sized>(v: &mut V, schema: &mut SchemaObject) {
if let Some(sub) = &mut schema.subschemas {
visit_vec(v, &mut sub.all_of);
visit_vec(v, &mut sub.any_of);
visit_vec(v, &mut sub.one_of);
visit_box(v, &mut sub.not);
visit_box(v, &mut sub.if_schema);
visit_box(v, &mut sub.then_schema);
visit_box(v, &mut sub.else_schema);
}
if let Some(arr) = &mut schema.array {
visit_single_or_vec(v, &mut arr.items);
visit_box(v, &mut arr.additional_items);
visit_box(v, &mut arr.contains);
}
if let Some(obj) = &mut schema.object {
visit_map_values(v, &mut obj.properties);
visit_map_values(v, &mut obj.pattern_properties);
visit_box(v, &mut obj.additional_properties);
visit_box(v, &mut obj.property_names);
}
}
fn visit_box<V: Visitor + ?Sized>(v: &mut V, target: &mut Option<Box<Schema>>) {
if let Some(s) = target {
v.visit_schema(s)
}
}
fn visit_vec<V: Visitor + ?Sized>(v: &mut V, target: &mut Option<Vec<Schema>>) {
if let Some(vec) = target {
for s in vec {
v.visit_schema(s)
}
}
}
fn visit_map_values<V: Visitor + ?Sized>(v: &mut V, target: &mut crate::Map<String, Schema>) {
for s in target.values_mut() {
v.visit_schema(s)
}
}
fn visit_single_or_vec<V: Visitor + ?Sized>(v: &mut V, target: &mut Option<SingleOrVec<Schema>>) {
match target {
None => {}
Some(SingleOrVec::Single(s)) => v.visit_schema(s),
Some(SingleOrVec::Vec(vec)) => {
for s in vec {
v.visit_schema(s)
}
}
}
}
#[derive(Debug, Clone)]
pub struct ReplaceBoolSchemas {
pub skip_additional_properties: bool,
}
impl Visitor for ReplaceBoolSchemas {
fn visit_schema(&mut self, schema: &mut Schema) {
visit_schema(self, schema);
if let Schema::Bool(b) = *schema {
*schema = Schema::Bool(b).into_object().into()
}
}
fn visit_schema_object(&mut self, schema: &mut SchemaObject) {
if self.skip_additional_properties {
if let Some(obj) = &mut schema.object {
if let Some(ap) = &obj.additional_properties {
if let Schema::Bool(_) = ap.as_ref() {
let additional_properties = obj.additional_properties.take();
visit_schema_object(self, schema);
schema.object().additional_properties = additional_properties;
return;
}
}
}
}
visit_schema_object(self, schema);
}
}
#[derive(Debug, Clone)]
pub struct RemoveRefSiblings;
impl Visitor for RemoveRefSiblings {
fn visit_schema_object(&mut self, schema: &mut SchemaObject) {
visit_schema_object(self, schema);
if let Some(reference) = schema.reference.take() {
if schema == &SchemaObject::default() {
schema.reference = Some(reference);
} else {
let ref_schema = Schema::new_ref(reference);
let all_of = &mut schema.subschemas().all_of;
match all_of {
Some(vec) => vec.push(ref_schema),
None => *all_of = Some(vec![ref_schema]),
}
}
}
}
}
#[derive(Debug, Clone)]
pub struct SetSingleExample {
pub retain_examples: bool,
}
impl Visitor for SetSingleExample {
fn visit_schema_object(&mut self, schema: &mut SchemaObject) {
visit_schema_object(self, schema);
let first_example = schema.metadata.as_mut().and_then(|m| {
if self.retain_examples {
m.examples.first().cloned()
} else {
m.examples.drain(..).next()
}
});
if let Some(example) = first_example {
schema.extensions.insert("example".to_owned(), example);
}
}
}