120 lines
4.1 KiB
Rust
120 lines
4.1 KiB
Rust
use crate::{
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compilation::{compile_validators, context::CompilationContext, JSONSchema},
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error::{error, no_error, CompilationError, ErrorIterator, ValidationError},
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keywords::{format_vec_of_validators, CompilationResult, Validators},
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validator::Validate,
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};
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use serde_json::{Map, Value};
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pub(crate) struct OneOfValidator {
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schemas: Vec<Validators>,
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}
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impl OneOfValidator {
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#[inline]
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pub(crate) fn compile(schema: &Value, context: &CompilationContext) -> CompilationResult {
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if let Value::Array(items) = schema {
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let mut schemas = Vec::with_capacity(items.len());
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for item in items {
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schemas.push(compile_validators(item, context)?)
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}
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return Ok(Box::new(OneOfValidator { schemas }));
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}
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Err(CompilationError::SchemaError)
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}
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}
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macro_rules! one_of_impl_is_valid {
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($method_suffix:tt, $instance_type: ty) => {
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paste::item! {
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#[inline]
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fn [<is_valid_ $method_suffix>](
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&self,
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schema: &JSONSchema,
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instance: &Value,
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instance_value: $instance_type,
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) -> bool {
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let mut valid_schema_iterator = self.schemas
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.iter()
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.filter(|validators| {
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validators
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.iter()
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.all(|validator| validator.[<is_valid_ $method_suffix>](schema, instance, instance_value))
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});
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if valid_schema_iterator.next().is_some() {
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// If one schema is valid we need to ensure that there are no other valid schemas
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valid_schema_iterator.next().is_none()
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} else {
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false
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}
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}
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}
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};
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}
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macro_rules! one_of_impl_validate {
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($method_suffix:tt, $instance_type: ty) => {
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paste::item! {
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#[inline]
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fn [<validate_ $method_suffix>]<'a>(
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&self,
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schema: &'a JSONSchema,
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instance: &'a Value,
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instance_value: $instance_type,
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) -> ErrorIterator<'a> {
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let mut valid_schema_iterator = self.schemas
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.iter()
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.filter(|validators| {
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validators
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.iter()
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.all(|validator| validator.[<is_valid_ $method_suffix>](schema, instance, instance_value))
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});
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if valid_schema_iterator.next().is_some() {
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// If one schema is valid we need to ensure that there are no other valid schemas
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if valid_schema_iterator.next().is_none() {
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no_error()
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} else {
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error(ValidationError::one_of_multiple_valid(instance))
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}
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} else {
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error(ValidationError::one_of_not_valid(instance))
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}
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}
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}
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};
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}
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impl Validate for OneOfValidator {
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one_of_impl_is_valid!(array, &[Value]);
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one_of_impl_is_valid!(boolean, bool);
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one_of_impl_is_valid!(null, ());
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one_of_impl_is_valid!(number, f64);
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one_of_impl_is_valid!(object, &Map<String, Value>);
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one_of_impl_is_valid!(signed_integer, i64);
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one_of_impl_is_valid!(string, &str);
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one_of_impl_is_valid!(unsigned_integer, u64);
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one_of_impl_validate!(array, &[Value]);
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one_of_impl_validate!(boolean, bool);
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one_of_impl_validate!(null, ());
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one_of_impl_validate!(number, f64);
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one_of_impl_validate!(object, &Map<String, Value>);
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one_of_impl_validate!(signed_integer, i64);
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one_of_impl_validate!(string, &str);
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one_of_impl_validate!(unsigned_integer, u64);
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}
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impl ToString for OneOfValidator {
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fn to_string(&self) -> String {
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format!("oneOf: [{}]", format_vec_of_validators(&self.schemas))
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}
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}
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#[inline]
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pub(crate) fn compile(
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_: &Map<String, Value>,
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schema: &Value,
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context: &CompilationContext,
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) -> Option<CompilationResult> {
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Some(OneOfValidator::compile(schema, context))
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}
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