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require 'json-schema/attribute'
module JSON
class Schema
class OneOfAttribute < Attribute
def self.validate(current_schema, data, fragments, processor, validator, options = {})
errors = Hash.new { |hsh, k| hsh[k] = [] }
validation_error_count = 0
one_of = current_schema.schema['oneOf']
original_data = data.is_a?(Hash) ? data.clone : data
success_data = nil
valid = false
one_of.each_with_index do |element, schema_index|
schema = JSON::Schema.new(element,current_schema.uri,validator)
pre_validation_error_count = validation_errors(processor).count
begin
schema.validate(data,fragments,processor,options)
success_data = data.is_a?(Hash) ? data.clone : data
valid = true
rescue ValidationError
valid = false
end
diff = validation_errors(processor).count - pre_validation_error_count
valid = false if diff > 0
validation_error_count += 1 if !valid
while diff > 0
diff = diff - 1
errors["oneOf ##{schema_index}"].push(validation_errors(processor).pop)
end
data = original_data
end
if validation_error_count == one_of.length - 1
data = success_data
return
end
if validation_error_count == one_of.length
message = "The property '#{build_fragment(fragments)}' of type #{data.class} did not match any of the required schemas"
else
message = "The property '#{build_fragment(fragments)}' of type #{data.class} matched more than one of the required schemas"
end
validation_error(processor, message, fragments, current_schema, self, options[:record_errors]) if message
validation_errors(processor).last.sub_errors = errors if message
end
end
end
end
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