Class: KeyValueName::KeyValueBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/key_value_name/builders/key_value_builder.rb

Overview

Yield-based Domain-Specific Language (DSL) to build a ‘KeyValueName`.

Direct Known Subclasses

FileBuilder, FolderBuilder

Instance Method Summary collapse

Constructor Details

#initialize(&block) ⇒ KeyValueBuilder

Returns a new instance of KeyValueBuilder.



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# File 'lib/key_value_name/builders/key_value_builder.rb', line 8

def initialize(&block)
  @marshalers = {}
  instance_eval(&block) if block_given?
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/key_value_name/builders/key_value_builder.rb', line 32

def build
  struct_args = @marshalers.any? ? @marshalers.keys : [nil]
  Struct.new(*struct_args, keyword_init: true)
end

#include_keys(key_value_name_klass) ⇒ Object 



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# File 'lib/key_value_name/builders/key_value_builder.rb', line 17

def include_keys(key_value_name_klass)
  spec = key_value_name_klass.key_value_name_spec
  spec.marshalers.each do |name, marshaler|
    check_no_existing_marshaler(name)
    @marshalers[name] = marshaler
  end
end

#key(name, type:, **kwargs) ⇒ Object 



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# File 'lib/key_value_name/builders/key_value_builder.rb', line 25

def key(name, type:, **kwargs)
  KeyValueName.check_symbol(name)
  KeyValueName.check_marshaler(type)
  check_no_existing_marshaler(name)
  @marshalers[name] = MARSHALERS[type].new(**kwargs)
end

#singular? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/key_value_name/builders/key_value_builder.rb', line 13

def singular?
  @marshalers.none?
end