Class: Nocode::Util::Dictionary

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/nocode/util/dictionary.rb

Overview

A hash-like object which ensures all keys are strings.

Constant Summary collapse

NEWLINE_CHAR = 
"\n"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(values = {}) ⇒ Dictionary

Returns a new instance of Dictionary.



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# File 'lib/nocode/util/dictionary.rb', line 25

def initialize(values = {})
  @values = {}

  (values || {}).each { |k, v| assign(k, v) }

  freeze
end

Instance Attribute Details

#values ⇒ Object (readonly)

Returns the value of attribute values.



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# File 'lib/nocode/util/dictionary.rb', line 21

def values
  @values
end

Class Method Details

.ensure(value) ⇒ Object 



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# File 'lib/nocode/util/dictionary.rb', line 12

def ensure(value)
  if value.is_a?(self)
    value
  else
    new(value)
  end
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/nocode/util/dictionary.rb', line 41

def [](key)
  values[keyify(key)]
end

#[]=(key, value) ⇒ Object 



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# File 'lib/nocode/util/dictionary.rb', line 37

def []=(key, value)
  tap { values[keyify(key)] = value }
end

#delete(key) ⇒ Object 



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# File 'lib/nocode/util/dictionary.rb', line 33

def delete(key)
  tap { values.delete(keyify(key)) }
end

#dig(*keys) ⇒ Object 



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# File 'lib/nocode/util/dictionary.rb', line 45

def dig(*keys)
  top_level = keyify(keys.first)
  keys = [top_level] + keys[1..]

  values.dig(*keys)
end

#key?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nocode/util/dictionary.rb', line 52

def key?(key)
  values.key?(keyify(key))
end

#to_s ⇒ Object 



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# File 'lib/nocode/util/dictionary.rb', line 56

def to_s
  values.map { |k, v| "#{k}: #{v}" }.join(NEWLINE_CHAR)
end