Class: Metanorma::Mirror::Transformer

Inherits:
Object
  • Object
show all
Defined in:
lib/metanorma/mirror/transformer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(registry: Mirror.default_registry, id_strategy: Mirror::DEFAULT_ID_STRATEGY) ⇒ Transformer

Returns a new instance of Transformer.



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# File 'lib/metanorma/mirror/transformer.rb', line 8

def initialize(registry: Mirror.default_registry,
               id_strategy: Mirror::DEFAULT_ID_STRATEGY)
  @registry = registry
  @id_strategy = id_strategy
end

Instance Attribute Details

#id_strategy ⇒ Object (readonly)

Returns the value of attribute id_strategy.



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# File 'lib/metanorma/mirror/transformer.rb', line 6

def id_strategy
  @id_strategy
end

#registry ⇒ Object (readonly)

Returns the value of attribute registry.



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# File 'lib/metanorma/mirror/transformer.rb', line 6

def registry
  @registry
end

Instance Method Details

#call(root) ⇒ Object 



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# File 'lib/metanorma/mirror/transformer.rb', line 14

def call(root)
  attrs = {}
  attrs[:flavor] = root.flavor if root.flavor
  attrs[:type] = root.type if root.type
  attrs[:schema_version] = root.schema_version if root.schema_version

  title = extract_root_title(root)
  attrs[:title] = title if title

  content = []

  preface = root.preface
  if preface
    result = @registry.handle(preface, context: self)
    result.append_to(content)
  end

  sections = root.sections
  if sections
    result = @registry.handle(sections, context: self)
    result.append_to(content)
  end

  annex = root.annex
  annex&.each do |a|
    result = @registry.handle(a, context: self)
    result.append_to(content)
  end

  bibliography = root.bibliography
  if bibliography
    result = @registry.handle(bibliography, context: self)
    result.append_to(content)
  end

  Handlers.build_node("doc", attrs: attrs, content: content)
end

#extract_blocks(element) ⇒ Object 



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# File 'lib/metanorma/mirror/transformer.rb', line 61

def extract_blocks(element)
  content = []

  element.each_mixed_content do |node|
    next if node.is_a?(String)

    result = @registry.handle(node, context: self)
    result.append_to(content)
  end
  content
end

#extract_named_collections(element, collection_attrs) ⇒ Object 



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# File 'lib/metanorma/mirror/transformer.rb', line 87

def extract_named_collections(element, collection_attrs)
  content = []
  collection_attrs.each do |attr|
    collection = SafeAttr.read(element, attr)
    next unless collection

    collection.each do |child|
      result = @registry.handle(child, context: self)
      result.append_to(content)
    end
  end
  content
end

#extract_root_title(root) ⇒ Object 



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# File 'lib/metanorma/mirror/transformer.rb', line 105

def extract_root_title(root)
  Metadata.title_from_bibdata(SafeAttr.read(root, :bibdata))
end

#extract_section_children(element) ⇒ Object 



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# File 'lib/metanorma/mirror/transformer.rb', line 73

def extract_section_children(element)
  content = []
  %i[clause terms definitions references floating_title].each do |attr|
    collection = SafeAttr.read(element, attr)
    next unless collection

    collection.each do |child|
      result = @registry.handle(child, context: self)
      result.append_to(content)
    end
  end
  content
end

#from_metanorma(root) ⇒ Object 



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# File 'lib/metanorma/mirror/transformer.rb', line 52

def from_metanorma(root)
  document = call(root)
  @id_strategy.finalize!(document)
end

#rewrite(mirror_node) ⇒ Object 



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# File 'lib/metanorma/mirror/transformer.rb', line 57

def rewrite(mirror_node)
  Rewriter.new.call(mirror_node)
end

#text_node(text, marks: []) ⇒ Object 



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# File 'lib/metanorma/mirror/transformer.rb', line 101

def text_node(text, marks: [])
  Handlers.build_text(text, marks: marks)
end