The validation module already implemented the composable-rule idiom under its own names (Check/Issue/SubjectContext) and a value-type Validator with duplicated traversal machinery per layer. Renamed the core types to the canonical names (Validation/ValidationError/ValidationErrorCollection/ ValidationContext/BuiltinValidation/AnyValidation), converted Validator to a reference-type class with the two-tier default-rule split, and genericized it over both Subject and Document via a new Traversable protocol so the model and tagged layers share one walk engine instead of two copies. Wired the JSON-representability rule set into the same shape and closed the two missing pieces (unwrap combinator, JSON coverage/config-pin tests).
27 lines
1.3 KiB
Swift
27 lines
1.3 KiB
Swift
extension PureYAML.Tagged.Node: PureYAML.Validation.Traversable {
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/// For a mapping: the mapping itself (a `Validation<Mapping, _>` fires on this). Unlike the model
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/// layer, key nodes are not offered separately: a tagged mapping's keys are plain `String`, not a
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/// `Validatable` key type of their own.
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public var extraOffers: [(component: PureYAML.Validation.Path.Component?, value: any PureYAML.Validation.Validatable)] {
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guard case let .mapping(mapping) = self else {
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return []
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}
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return [(nil, mapping)]
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}
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/// A mapping's children are its pairs' values, keyed by their string key; a sequence's children are
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/// its values, keyed by index. An alias's aliased subtree was already walked at its anchor's
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/// definition site, so recursing here would report every error in that subtree once per reference;
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/// a scalar has no children either.
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public var children: [(component: PureYAML.Validation.Path.Component, value: PureYAML.Tagged.Node)] {
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switch self {
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case let .mapping(mapping):
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mapping.pairs.map { pair in (component: .key(pair.key), value: pair.value) }
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case let .sequence(sequence):
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sequence.values.indices.map { index in (component: .index(index), value: sequence.values[index]) }
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case .scalar, .alias:
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[]
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}
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}
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}
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