Class: TableStructure::Schema::Definition::Compiler

Inherits:
Object
  • Object
show all
Defined in:
lib/table_structure/schema/definition/compiler.rb

Constant Summary collapse

DEFAULT_ATTRS = 
{
  name: nil,
  key: nil,
  value: nil,
  size: nil,
  omitted: false
}.freeze
DEFAULT_SIZE = 
1

Instance Method Summary collapse

Constructor Details

#initialize(name, definitions, options) ⇒ Compiler

Returns a new instance of Compiler.



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# File 'lib/table_structure/schema/definition/compiler.rb', line 17

def initialize(name, definitions, options)
  @name = name
  @definitions = definitions
  @options = options
end

Instance Method Details

#compile(context = nil) ⇒ Object 



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# File 'lib/table_structure/schema/definition/compiler.rb', line 23

def compile(context = nil)
  @definitions
    .map { |definition| Utils.evaluate_callable(definition, context) }
    .map.with_index do |definition, i|
      validator = Validator.new(@name, i)

      [definition]
        .flatten
        .map do |definition|
          if definition.is_a?(Hash)
            definition = DEFAULT_ATTRS.merge(definition)
            omitted = definition.delete(:omitted)
            next if Utils.evaluate_callable(omitted, context)

            definition = evaluate_attrs(definition, context)
            validator.validate(definition)
            definition[:size] = determine_size(definition)
            definition
          elsif Utils.schema_instance?(definition)
            definition
          elsif Utils.schema_class?(definition)
            definition.new(context: context)
          elsif definition.nil? && @options[:nil_definitions_ignored]
            next
          else
            raise Error.new('Invalid definition.', @name, i)
          end
        end
    end
    .flatten
    .compact
end