Module: BehaviorTree::Dsl::Registration

Included in:
Builder
Defined in:
lib/behavior_tree/concerns/dsl/registration.rb

Overview

Register DSL commands.

Instance Method Summary collapse

Instance Method Details

#register(node_name, class_name, children: :none) ⇒ Object

Don’t validate class_name, because in some situations the user wants it to be evaluated in runtime.

Raises:



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# File 'lib/behavior_tree/concerns/dsl/registration.rb', line 9

def register(node_name, class_name, children: :none)
  valid_children_values = %i[none single multiple]
  raise "Children value must be in: #{valid_children_values}" unless valid_children_values.include?(children)

  node_name = node_name.to_sym
  raise RegisterDSLNodeAlreadyExistsError, node_name if @node_type_mapping.key?(node_name)

  @node_type_mapping[node_name] = {
    class:    class_name,
    children: children
  }
end

#register_alias(original, alias_key) ⇒ Object

Raises:



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# File 'lib/behavior_tree/concerns/dsl/registration.rb', line 22

def register_alias(original, alias_key)
  unless @node_type_mapping.key?(original)
    raise "Cannot register alias for '#{original}', since it doesn't exist."
  end
  raise RegisterDSLNodeAlreadyExistsError, alias_key if @node_type_mapping.key?(alias_key)
  raise 'Alias key cannot be empty' if alias_key.to_s.empty?

  @node_type_mapping[original][:alias] = alias_key
  @node_type_mapping[alias_key] = @node_type_mapping[original].dup
  @node_type_mapping[alias_key][:alias] = original
end