Class: RedQuilt::ReferenceDefinition::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/red_quilt/reference_definition.rb

Instance Method Summary collapse

Constructor Details

#initialize(lines, index) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/red_quilt/reference_definition.rb', line 79

def initialize(lines, index)
  @lines = lines
  @index = index
end

Instance Method Details

#consume ⇒ Object 



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# File 'lib/red_quilt/reference_definition.rb', line 84

def consume
  text = @lines[@index].content
  return unless text.match?(/\A {0,3}\[/)

  match, consumed = match_label(text)
  return unless match

  label = ReferenceDefinition.normalize_label(match[1])
  return if label.empty?

  remainder = match[2].to_s
  chunks, consumed = collect_destination_chunks(remainder, consumed)
  return unless chunks

  destination, rest = parse_destination(chunks.shift.to_s)
  if destination.nil?
    destination, rest = parse_destination(chunks.first.to_s)
    return unless destination

    chunks.shift
  end

  title, consumed = consume_title(rest, consumed)
  return if title == :invalid

  {
    reference: {
      label: label,
      destination: ReferenceDefinition.unescape_text(strip_angle_brackets(destination)),
      title: title,
    },
    consumed: consumed,
    source_span: SourceSpan.new(@lines[@index].start_byte,
                                @lines[@index + consumed - 1].end_byte),
  }
end