Class: Nanoc3::RuleMemoryCalculator Private

Inherits:
Object
  • Object
show all
Extended by:
Memoization
Defined in:
lib/nanoc3/base/compilation/rule_memory_calculator.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Calculates rule memories for objects that can be run through a rule (item representations and layouts).

Instance Method Summary collapse

Methods included from Memoization

memoize

Constructor Details

#initialize(params = {}) ⇒ RuleMemoryCalculator

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of RuleMemoryCalculator.

Parameters:

  • params (Hash) (defaults to: {}) —

    a customizable set of options

Options Hash (params):



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# File 'lib/nanoc3/base/compilation/rule_memory_calculator.rb', line 15

def initialize(params={})
  @rules_collection = params[:rules_collection] or
    raise ArgumentError, "Required :rules_collection option is missing"
end

Instance Method Details

#[](obj) ⇒ Array

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns The caluclated rule memory for the given object.

Parameters:

  • obj (#reference) —

    The object to calculate the rule memory for

Returns:

  • (Array) —

    The caluclated rule memory for the given object



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# File 'lib/nanoc3/base/compilation/rule_memory_calculator.rb', line 23

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 RuntimeError,
        "Do not know how to calculate the rule memory for #{obj.inspect}"
  end

  result
end