Class: Blocks::HashWithCaller

Inherits:
HashWithIndifferentAccess
  • Object
show all
Defined in:
lib/blocks/utilities/hash_with_caller.rb

Direct Known Subclasses

HashWithRenderStrategy

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ HashWithCaller

Returns a new instance of HashWithCaller.



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# File 'lib/blocks/utilities/hash_with_caller.rb', line 5

def initialize(*args)
  self.callers = HashWithIndifferentAccess.new
  options = args.extract_options!
  add_options(args.first, options)
  super &nil
end

Instance Attribute Details

#callers ⇒ Object

Returns the value of attribute callers.



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# File 'lib/blocks/utilities/hash_with_caller.rb', line 3

def callers
  @callers
end

Instance Method Details

#add_options(*args) ⇒ Object 



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# File 'lib/blocks/utilities/hash_with_caller.rb', line 33

def add_options(*args)
  options = args.extract_options!

  caller_id = args.first.to_s.presence || ""

  if !options.is_a?(HashWithCaller) && Blocks.lookup_caller_location?
    caller_location = caller.detect do |c|
      !c.include?("/lib/blocks") &&
      !c.include?("/lib/ruby") &&
      !c.include?("patch")
    end.try(:split, ":in").try(:[], 0)

    caller_id += " from #{caller_location}" if caller_location
  end

  options.each do |key, value|
    current_value = self[key]

    if options.is_a?(HashWithCaller)
      setter = options.callers[key]
    else
      setter = "set by #{caller_id}"
    end

    if !self.key?(key)
      self[key] = value
      callers[key] = setter

    elsif current_value.is_a?(Hash) && value.is_a?(Hash)
      self[key] = value.deep_merge(current_value)
      callers[key] = "#{callers[key]}, #{setter}"
      # TODO: handle attribute merges here
    end
  end
end

#nested_under_indifferent_access ⇒ Object 



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# File 'lib/blocks/utilities/hash_with_caller.rb', line 69

def nested_under_indifferent_access
  self
end

#to_s ⇒ Object 



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# File 'lib/blocks/utilities/hash_with_caller.rb', line 12

def to_s
  description = []

  description << "{"
  description << map do |key, value|
    value_display = case value
    when Symbol
      ":#{value}"
    when String
      "\"#{value}\""
    when Proc
      "Proc"
    else
      value
    end
    "\"#{key}\" => #{value_display}, # [#{callers[key]}]"
  end.join(",\n")
  description << "}"
  description.join("\n")
end