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Contents
# frozen_string_literal: true
module Checkoff
# Base class to evaluate Asana resource selectors against an Asana resource
class SelectorEvaluator
# @param selector [Array]
# @return [Boolean, Object, nil]
def evaluate(selector)
return true if selector.empty?
function_evaluators.each do |evaluator_class|
# @type [SelectorClasses::FunctionEvaluator]
# @sg-ignore
evaluator = evaluator_class.new(selector: selector,
**initializer_kwargs)
next unless evaluator.matches?
return try_this_evaluator(selector, evaluator)
end
raise "Syntax issue trying to handle #{selector.inspect}"
end
private
# @return [Hash]
def initializer_kwargs
{}
end
# @return [Array<Class<FunctionEvaluator>>]
# @sg-ignore
def function_evaluators
raise 'Implement me!'
end
# @param selector [Array]
# @param evaluator [SelectorClasses::FunctionEvaluator]
# @return [Array]
def evaluate_args(selector, evaluator)
return [] unless selector.is_a?(Array)
selector[1..].map.with_index do |item, index|
if evaluator.evaluate_arg?(index)
evaluate(item)
else
item
end
end
end
# @param selector [Array]
# @param evaluator [SelectorClasses::FunctionEvaluator]
# @return [Boolean, Object, nil]
def try_this_evaluator(selector, evaluator)
# if selector is an array
evaluated_args = evaluate_args(selector, evaluator)
evaluator.evaluate(item, *evaluated_args)
end
# @return [Asana::Resources::Resource]
attr_reader :item
end
end
Version data entries
128 entries across 128 versions & 1 rubygems