Sha256: b4e43b6db07fbbe643ffe46837b3c0e502933a8c3cd09c4ee1a9752b144241ee
Contents?: true
Size: 1.75 KB
Versions: 9
Compression:
Stored size: 1.75 KB
Contents
require 'sfn'
module Sfn
module Lint
# Lint defition
class Definition
# @return [String] search expression used for matching
attr_reader :search_expression
# @return [Proc-ish] must respond to #call
attr_reader :evaluator
# @return [Symbol] target provider
attr_reader :provider
# Create a new definition
#
# @param expr [String] search expression used for matching
# @param provider [String, Symbol] target provider
# @param evaluator [Proc] logic used to handle match
# @return [self]
def initialize(expr, provider=:aws, evaluator=nil, &block)
if(evaluator && block)
raise ArgumentError.new 'Only evaluator or block can be provided, not both.'
end
@provider = Bogo::Utility.snake(provider).to_sym
@search_expression = expr
@evaluator = evaluator || block
end
# Apply definition to template
#
# @param template [Hash] template being processed
# @return [TrueClass, Array<String>] true if passed. List of string results that failed
def apply(template)
result = JMESPath.search(search_expression, template)
run(result, template)
end
protected
# Check result of search expression
#
# @param result [Object] result(s) of search expression
# @param template [Hash] full template
# @return [TrueClass, Array<String>] true if passed. List of string results that failed
# @note override this method when subclassing
def run(result, template)
unless(evaluator)
raise NotImplementedError.new 'No evaluator has been defined for this definition!'
end
evaluator.call(result, template)
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems