Class: Metanorma::Iso::Sts::Transformer::BlockDispatcher

Inherits:
Object
  • Object
show all
Defined in:
lib/metanorma/iso/sts/transformer/block_dispatcher.rb

Defined Under Namespace

Classes: Handler

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(context) ⇒ BlockDispatcher

Returns a new instance of BlockDispatcher.



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# File 'lib/metanorma/iso/sts/transformer/block_dispatcher.rb', line 10

def initialize(context)
  @context = context
  @transformers = {}
end

Class Method Details

.build_default_registry ⇒ Object 



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# File 'lib/metanorma/iso/sts/transformer/block_dispatcher.rb', line 39

def self.build_default_registry
  entries = {
    # Block-level elements
    Metanorma::Document::Components::Paragraphs::ParagraphBlock =>
      %i[paragraph_transformer transform p],
    Metanorma::Document::Components::Lists::UnorderedList =>
      %i[list_transformer transform list],
    Metanorma::Document::Components::Lists::OrderedList =>
      %i[list_transformer transform list],
    Metanorma::Document::Components::Lists::DefinitionList =>
      %i[def_list_transformer transform def_list],
    Metanorma::Document::Components::Tables::TableBlock =>
      %i[table_transformer transform_wrap table_wrap],
    Metanorma::Document::Components::AncillaryBlocks::FigureBlock =>
      %i[figure_transformer transform fig],
    Metanorma::Document::Components::AncillaryBlocks::FormulaBlock =>
      %i[formula_transformer transform disp_formula],
    Metanorma::Document::Components::AncillaryBlocks::ExampleBlock =>
      %i[example_transformer transform non_normative_example],
    Metanorma::Document::Components::Blocks::NoteBlock =>
      %i[note_transformer transform non_normative_note],
    Metanorma::Document::Components::AncillaryBlocks::SourcecodeBlock =>
      %i[sourcecode_transformer transform preformat],
    Metanorma::Document::Components::MultiParagraph::QuoteBlock =>
      %i[quote_transformer transform disp_quote],
    # Section-level elements
    Metanorma::IsoDocument::Sections::IsoClauseSection =>
      %i[section_transformer transform sec],
    Metanorma::IsoDocument::Sections::IsoTermsSection =>
      %i[term_transformer transform_section term_sec],
    Metanorma::IsoDocument::Sections::IsoAnnexSection =>
      %i[section_transformer transform_annex sec],
    Metanorma::StandardDocument::Sections::StandardReferencesSection =>
      %i[reference_transformer transform_list ref_list],
  }

  entries.each_with_object({}) do |(source_type, (key, method, setter)), map|
    map[source_type] = Handler.new(
      source_type: source_type,
      transformer_key: key,
      transform_method: method,
      target_setter: setter,
    )
  end
end

.register(source_type, transformer_key:, transform_method:, target_setter:) ⇒ Object 



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# File 'lib/metanorma/iso/sts/transformer/block_dispatcher.rb', line 25

def self.register(source_type, transformer_key:, transform_method:,
target_setter:)
  registry[source_type] = Handler.new(
    source_type: source_type,
    transformer_key: transformer_key,
    transform_method: transform_method,
    target_setter: target_setter,
  )
end

.registry ⇒ Object 



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# File 'lib/metanorma/iso/sts/transformer/block_dispatcher.rb', line 35

def self.registry
  @registry ||= build_default_registry
end

Instance Method Details

#dispatch(node, target) ⇒ Object 



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# File 'lib/metanorma/iso/sts/transformer/block_dispatcher.rb', line 15

def dispatch(node, target)
  entry = self.class.registry[node.class]
  return false unless entry

  transformer = transformer_for(entry.transformer_key)
  result = transformer.send(entry.transform_method, node)
  target.send(entry.target_setter, result)
  true
end