Sha256: 9099f44248978660d3b5f61ca4f0c064c6b1ae583aace5be5883ce6426f12e82
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Versions: 9
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Contents
# encoding: utf-8
module Nanoc
# Calculates rule memories for objects that can be run through a rule (item
# representations and layouts).
#
# @api private
class RuleMemoryCalculator
extend Nanoc::Memoization
# @option params [Nanoc::RulesCollection] rules_collection The rules
# collection
def initialize(params = {})
@rules_collection = params.fetch(:rules_collection) do
raise ArgumentError, 'Required :rules_collection option is missing'
end
end
# @param [#reference] obj The object to calculate the rule memory for
#
# @return [Array] The caluclated rule memory for the given object
def [](obj)
result =
case obj.type
when :item_rep
@rules_collection.new_rule_memory_for_rep(obj)
when :layout
@rules_collection.new_rule_memory_for_layout(obj)
else
raise "Do not know how to calculate the rule memory for #{obj.inspect}"
end
result
end
memoize :[]
end
end
Version data entries
9 entries across 9 versions & 1 rubygems