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Contents
module Aws
module Resources
module Validator
# @api private
class PathResolver
def initialize(api)
@api = api
end
# @param [String<JMESPathExpression>] expression
# @param [Hash<Shape Reference>] from The shape reference, typically
# an operation, to resolve the path starting from.
# @return [String, nil] Returns the class name resolved, or `nil`
# if the path does not resolve in the model.
def resolve(expression, from)
ref = expression.scan(/\w+|\[.*?\]/).inject(from) do |ref, part|
shape = @api['shapes'][ref['shape']]
if part[0] == '['
return nil unless shape['type'] == 'list'
shape['member']
else
return nil unless shape['type'] == 'structure'
return nil unless shape['members'][part]
shape['members'][part]
end
end
ref && ref['shape']
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems