jsonschema-rs/src/keywords/pattern_properties.rs

113 lines
3.4 KiB
Rust

use crate::{
compilation::{compile_validators, context::CompilationContext, JSONSchema},
error::{no_error, CompilationError, ErrorIterator},
keywords::{format_validators, CompilationResult, Validators},
validator::Validate,
};
use regex::Regex;
use serde_json::{Map, Value};
pub(crate) struct PatternPropertiesValidator {
patterns: Vec<(Regex, Validators)>,
}
impl PatternPropertiesValidator {
#[inline]
pub(crate) fn compile(properties: &Value, context: &CompilationContext) -> CompilationResult {
if let Value::Object(map) = properties {
let mut patterns = Vec::with_capacity(map.len());
for (pattern, subschema) in map {
patterns.push((
Regex::new(pattern)?,
compile_validators(subschema, context)?,
));
}
return Ok(Box::new(PatternPropertiesValidator { patterns }));
}
Err(CompilationError::SchemaError)
}
}
impl Validate for PatternPropertiesValidator {
#[inline]
fn is_valid_object(
&self,
schema: &JSONSchema,
_: &Value,
instance_value: &Map<String, Value>,
) -> bool {
self.patterns.iter().all(|(re, validators)| {
instance_value
.iter()
.filter(|(key, _)| re.is_match(key))
.all(|(_, value)| {
validators
.iter()
.all(|validator| validator.is_valid(schema, value))
})
})
}
#[inline]
fn is_valid(&self, schema: &JSONSchema, instance: &Value) -> bool {
if let Value::Object(instance_value) = instance {
self.is_valid_object(schema, instance, instance_value)
} else {
true
}
}
#[inline]
fn validate_object<'a>(
&self,
schema: &'a JSONSchema,
_: &'a Value,
instance_value: &'a Map<String, Value>,
) -> ErrorIterator<'a> {
Box::new(
self.patterns
.iter()
.flat_map(|(re, validators)| {
instance_value
.iter()
.filter(move |(key, _)| re.is_match(key))
.flat_map(move |(_key, value)| {
validators
.iter()
.flat_map(move |validator| validator.validate(schema, value))
})
})
.collect::<Vec<_>>()
.into_iter(),
)
}
#[inline]
fn validate<'a>(&self, schema: &'a JSONSchema, instance: &'a Value) -> ErrorIterator<'a> {
if let Value::Object(instance_value) = instance {
self.validate_object(schema, instance, instance_value)
} else {
no_error()
}
}
}
impl ToString for PatternPropertiesValidator {
fn to_string(&self) -> String {
format!(
"patternProperties: {{{}}}",
self.patterns
.iter()
.map(|(key, validators)| { format!("{}: {}", key, format_validators(validators)) })
.collect::<Vec<String>>()
.join(", ")
)
}
}
#[inline]
pub(crate) fn compile(
_: &Map<String, Value>,
schema: &Value,
context: &CompilationContext,
) -> Option<CompilationResult> {
Some(PatternPropertiesValidator::compile(schema, context))
}