127 lines
3.5 KiB
Rust
127 lines
3.5 KiB
Rust
use crate::{
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compilation::{context::CompilationContext, JSONSchema},
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error::{CompilationError, ValidationError},
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keywords::CompilationResult,
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validator::Validate,
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};
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use serde_json::{Map, Value};
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use std::f64::EPSILON;
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#[derive(Debug)]
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pub(crate) struct EnumValidator {
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options: Value,
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items: Vec<Value>,
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}
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impl EnumValidator {
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#[inline]
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pub(crate) fn compile(schema: &Value) -> CompilationResult {
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if let Value::Array(items) = schema {
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return Ok(Box::new(EnumValidator {
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options: schema.clone(),
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items: items.clone(),
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}));
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}
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Err(CompilationError::SchemaError)
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}
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}
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impl Validate for EnumValidator {
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#[inline]
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fn build_validation_error<'a>(&self, instance: &'a Value) -> ValidationError<'a> {
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ValidationError::enumeration(instance, &self.options)
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}
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#[inline]
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fn is_valid_array(&self, _: &JSONSchema, _: &Value, instance_value: &[Value]) -> bool {
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self.items.iter().any(|item| {
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if let Value::Array(value) = item {
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value.as_slice() == instance_value
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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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#[inline]
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fn is_valid_boolean(&self, _: &JSONSchema, _: &Value, instance_value: bool) -> bool {
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self.items.iter().any(|item| {
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if let Value::Bool(value) = item {
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*value == instance_value
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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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#[inline]
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fn is_valid_object(
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&self,
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_: &JSONSchema,
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_: &Value,
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instance_value: &Map<String, Value>,
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) -> bool {
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self.items.iter().any(|item| {
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if let Value::Object(value) = item {
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value == instance_value
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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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#[inline]
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fn is_valid_null(&self, _: &JSONSchema, _: &Value, _: ()) -> bool {
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self.items.iter().any(Value::is_null)
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}
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#[inline]
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fn is_valid_number(&self, _: &JSONSchema, _: &Value, instance_value: f64) -> bool {
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self.items.iter().any(|item| {
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item.as_f64()
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.map_or_else(|| false, |value| (value - instance_value).abs() < EPSILON)
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})
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}
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#[inline]
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fn is_valid_signed_integer(&self, _: &JSONSchema, _: &Value, instance_value: i64) -> bool {
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self.items.iter().any(|item| {
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item.as_i64()
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.map_or_else(|| false, |value| value == instance_value)
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})
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}
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#[inline]
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fn is_valid_string(&self, _: &JSONSchema, _: &Value, instance_value: &str) -> bool {
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self.items.iter().any(|item| {
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if let Value::String(value) = item {
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value == instance_value
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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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#[inline]
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fn is_valid_unsigned_integer(&self, _: &JSONSchema, _: &Value, instance_value: u64) -> bool {
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self.items.iter().any(|item| {
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item.as_u64()
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.map_or_else(|| false, |value| value == instance_value)
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})
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}
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}
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impl ToString for EnumValidator {
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fn to_string(&self) -> String {
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format!(
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"enum: [{}]",
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self.items
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.iter()
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.map(Value::to_string)
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.collect::<Vec<String>>()
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.join(", ")
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)
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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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_: &CompilationContext,
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) -> Option<CompilationResult> {
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Some(EnumValidator::compile(schema))
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}
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