Module: VV::HashMethods

Included in:
Hash
Defined in:
lib/vv/hash_methods.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/vv/hash_methods.rb', line 4

def self.included(base)
  base.extend(ClassMethods)
end

Instance Method Details

#cli_print(width: nil, position: nil, padding: nil) ⇒ Object 



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# File 'lib/vv/hash_methods.rb', line 53

def cli_print width: nil,
              position: nil,
              padding: nil

  width    ||= 80
  position ||= 0
  padding  ||= 0

  key_padding = nil

  String.capture_stdout {
    key_padding = self.keys.map { | key |
      key.cli_print width: width,
                    position: position,
                    padding: padding
    }.max
  }

  key_padding += 1

  self.each do | key, value |
    position = key.cli_print width: width,
                             position: position,
                             padding: padding

    print ( key_padding - position ).spaces

    value_padding = position = key_padding

    position = value.cli_print width: width,
                               position: position,
                               padding: value_padding

    puts
    position = 0
  end

  position
end

#stringify_keys ⇒ Object 



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# File 'lib/vv/hash_methods.rb', line 28

def stringify_keys
  transform_keys{ |key| key.to_s }
end

#stringify_keys! ⇒ Object 



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# File 'lib/vv/hash_methods.rb', line 32

def stringify_keys!
  transform_keys!{ |key| key.to_s }
end

#symbolize_keys ⇒ Object 



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# File 'lib/vv/hash_methods.rb', line 20

def symbolize_keys
  transform_keys{ |key| key.to_sym }
end

#symbolize_keys! ⇒ Object 



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# File 'lib/vv/hash_methods.rb', line 24

def symbolize_keys!
  transform_keys!{ |key| key.to_sym }
end

#transform_keys ⇒ Object 



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# File 'lib/vv/hash_methods.rb', line 36

def transform_keys
  return enum_for(:transform_keys) unless block_given?
  result = self.class.new
  self.each_key do |key|
    result[yield(key)] = self[key]
  end
  result
end

#transform_keys! ⇒ Object 



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# File 'lib/vv/hash_methods.rb', line 45

def transform_keys!
  return self.enum_for(:transform_keys!) unless block_given?
  self.keys.each do |key|
    self[yield(key)] = self.delete(key)
  end
  self
end

#vv_json ⇒ Object 



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# File 'lib/vv/hash_methods.rb', line 16

def vv_json
  VV::JSON.generate self
end