lib/json-schema/attributes/anyof.rb
require 'json-schema/attribute'
module JSON
class Schema
class AnyOfAttribute < Attribute
def self.validate(current_schema, data, fragments, processor, validator, options = {})
# Create a hash to hold errors that are generated during validation
errors = Hash.new { |hsh, k| hsh[k] = [] }
valid = false
original_data = data.is_a?(Hash) ? data.clone : data
current_schema.schema['anyOf'].each_with_index do |element, schema_index|
schema = JSON::Schema.new(element, current_schema.uri, validator)
# We're going to add a little cruft here to try and maintain any validation errors that occur in the anyOf
# We'll handle this by keeping an error count before and after validation, extracting those errors and pushing them onto a union error
pre_validation_error_count = validation_errors(processor).count
begin
schema.validate(data, fragments, processor, options)
valid = true
rescue ValidationError
# We don't care that these schemas don't validate - we only care that one validated
end
diff = validation_errors(processor).count - pre_validation_error_count
valid = false if diff > 0
while diff > 0
diff = diff - 1
errors["anyOf ##{schema_index}"].push(validation_errors(processor).pop)
end
break if valid
data = original_data
end
if !valid
message = "The property '#{build_fragment(fragments)}' of type #{type_of_data(data)} did not match one or more of the required schemas"
validation_error(processor, message, fragments, current_schema, self, options[:record_errors])
validation_errors(processor).last.sub_errors = errors
end
end
end
end
end