Module: MoreCoreExtensions::Shared::Nested

Included in:
ArrayNested, ArrayNested, HashNested, HashNested
Defined in:
lib/more_core_extensions/core_ext/shared/nested.rb

Instance Method Summary collapse

Instance Method Details

#delete_path(*args) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/more_core_extensions/core_ext/shared/nested.rb', line 5

def delete_path(*args)
  args = args.first if args.length == 1 && args.first.kind_of?(Array)
  raise ArgumentError, "must pass at least one key" if args.empty?

  key = args.first
  raise ArgumentError, "must be a number" if self.kind_of?(Array) && !key.kind_of?(Numeric)

  child = self[key]
  if args.length == 1 || !child.respond_to?(:delete_path)
    self.kind_of?(Array) ? self.delete_at(key) : self.delete(key)
  else
    child.delete_path(args[1..-1])
  end
end

#fetch_path(*args) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/more_core_extensions/core_ext/shared/nested.rb', line 20

def fetch_path(*args)
  args = args.first if args.length == 1 && args.first.kind_of?(Array)
  raise ArgumentError, "must pass at least one key" if args.empty?

  key = args.first
  raise ArgumentError, "must be a number" if self.kind_of?(Array) && !key.kind_of?(Numeric)

  child = self[key]
  return child if args.length == 1
  return nil unless child.respond_to?(:fetch_path)
  return child.fetch_path(args[1..-1])
end

#find_path(val) ⇒ Object 



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# File 'lib/more_core_extensions/core_ext/shared/nested.rb', line 71

def find_path(val)
  self.each_with_index do |v, k|
    k, v = v if self.kind_of?(Hash)
    return [k] if v == val

    c = v.respond_to?(:find_path) ? v.find_path(val) : []
    return c.unshift(k) unless c.blank?
  end
  []
end

#has_key_path?(*args) ⇒ Boolean Also known as: include_path?, key_path?, member_path?

Returns:

  • (Boolean)

Raises:

  • (ArgumentError) 


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# File 'lib/more_core_extensions/core_ext/shared/nested.rb', line 33

def has_key_path?(*args)
  args = args.first if args.length == 1 && args.first.kind_of?(Array)
  raise ArgumentError, "must pass at least one key" if args.empty?

  key = args.first
  raise ArgumentError, "must be a number" if self.kind_of?(Array) && !key.kind_of?(Numeric)

  has_child = self.kind_of?(Array) ? self.includes_index?(key) : self.has_key?(key)
  return has_child if args.length == 1

  child = self[key]
  return false unless child.respond_to?(:has_key_path?)
  return child.has_key_path?(args[1..-1])
end

#store_path(*args) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/more_core_extensions/core_ext/shared/nested.rb', line 51

def store_path(*args)
  raise ArgumentError, "must pass at least one key, and a value" if args.length < 2
  value = args.pop
  args = args.first if args.length == 1 && args.first.kind_of?(Array)

  key = args.first
  raise ArgumentError, "must be a number" if self.kind_of?(Array) && !key.kind_of?(Numeric)

  if args.length == 1
    self[key] = value
  else
    child = self[key]
    unless child.respond_to?(:store_path)
      self[key] = self.class.new
      child = self[key]
    end
    child.store_path(args[1..-1].push, value)
  end
end