Class: PropertyHash

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/property_hash.rb

Constant Summary collapse

KEY_DELIMITER = 
"."
VERSION = 
"0.0.1"

Instance Method Summary collapse

Constructor Details

#initialize(hash, use_symbols = true) ⇒ PropertyHash 



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# File 'lib/property_hash.rb', line 9

def initialize(hash, use_symbols = true)
  @hash = hash.dup
  @keys = keys_as_properties(@hash)
  @use_symbols = use_symbols || false
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/property_hash.rb', line 51

def [](key)
  keys = property_key(key)

  begin
    # FIXME: Does not support mixed keys
    v = @hash.dig(*keys)
    return v unless v.nil? && @use_symbols

    keys.map!(&:to_sym)
    @hash.dig(*keys)
  rescue TypeError
    # From dig. Ignore, value does not exist
  end
end

#[]=(key, value) ⇒ Object 



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# File 'lib/property_hash.rb', line 34

def []=(key, value)
  keys = property_key(key)
  hash_to_set = @hash

  keys[0..-2].each do |key|
    if hash_to_set.include?(key)
      hash_to_set = hash_to_set[key]
    else
      hash_to_set = hash_to_set[key] = {}
    end
  end

  @keys << key

  hash_to_set[keys[-1]] = value
end

#each ⇒ Object 



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# File 'lib/property_hash.rb', line 15

def each
  return to_enum(:each) unless block_given?
  @keys.each { |key| yield([key, self[key]]) }
end

#keys ⇒ Object 



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# File 'lib/property_hash.rb', line 20

def keys
  @keys.dup
end

#to_h ⇒ Object Also known as: to_hash 



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# File 'lib/property_hash.rb', line 28

def to_h
  @hash.dup
end

#values ⇒ Object 



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# File 'lib/property_hash.rb', line 24

def values
  map(&:last)
end