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# frozen_string_literal: true
module JSONSchemer
module Draft201909
module Vocab
module Applicator
class Items < Keyword
def error(formatted_instance_location:, **)
"array items at #{formatted_instance_location} do not match `items` schema(s)"
end
def parse
if value.is_a?(Array)
value.map.with_index do |subschema, index|
subschema(subschema, index.to_s)
end
else
subschema(value)
end
end
def validate(instance, instance_location, keyword_location, context)
return result(instance, instance_location, keyword_location, true) unless instance.is_a?(Array)
nested = if parsed.is_a?(Array)
instance.take(parsed.size).map.with_index do |item, index|
parsed.fetch(index).validate_instance(item, join_location(instance_location, index.to_s), join_location(keyword_location, index.to_s), context)
end
else
instance.map.with_index do |item, index|
parsed.validate_instance(item, join_location(instance_location, index.to_s), keyword_location, context)
end
end
result(instance, instance_location, keyword_location, nested.all?(&:valid), nested, :annotation => (nested.size - 1))
end
end
class AdditionalItems < Keyword
def error(formatted_instance_location:, **)
"array items at #{formatted_instance_location} do not match `additionalItems` schema"
end
def parse
subschema(value)
end
def validate(instance, instance_location, keyword_location, context)
return result(instance, instance_location, keyword_location, true) unless instance.is_a?(Array)
evaluated_index = context.adjacent_results[Items]&.annotation
offset = evaluated_index ? (evaluated_index + 1) : instance.size
nested = instance.slice(offset..-1).map.with_index do |item, index|
parsed.validate_instance(item, join_location(instance_location, (offset + index).to_s), keyword_location, context)
end
result(instance, instance_location, keyword_location, nested.all?(&:valid), nested, :annotation => nested.any?)
end
end
class UnevaluatedItems < Keyword
def error(formatted_instance_location:, **)
"array items at #{formatted_instance_location} do not match `unevaluatedItems` schema"
end
def parse
subschema(value)
end
def validate(instance, instance_location, keyword_location, context)
return result(instance, instance_location, keyword_location, true) unless instance.is_a?(Array)
unevaluated_items = instance.size.times.to_set
context.adjacent_results.each_value do |adjacent_result|
collect_unevaluated_items(adjacent_result, instance_location, unevaluated_items)
end
nested = unevaluated_items.map do |index|
parsed.validate_instance(instance.fetch(index), join_location(instance_location, index.to_s), keyword_location, context)
end
result(instance, instance_location, keyword_location, nested.all?(&:valid), nested, :annotation => nested.any?)
end
private
def collect_unevaluated_items(result, instance_location, unevaluated_items)
return unless result.valid && result.instance_location == instance_location
case result.source
when Items
unevaluated_items.subtract(0..result.annotation)
when AdditionalItems, UnevaluatedItems
unevaluated_items.clear if result.annotation
end
result.nested&.each do |nested_result|
collect_unevaluated_items(nested_result, instance_location, unevaluated_items)
end
end
end
end
end
end
end
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