Module: Infoboxer::Parser::Image

Includes:
Tree
Included in:
Infoboxer::Parser
Defined in:
lib/infoboxer/parser/image.rb

Instance Method Summary collapse

Instance Method Details

#image ⇒ Object 



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# File 'lib/infoboxer/parser/image.rb', line 6

def image
  @context.skip(re.file_namespace) or
    @context.fail!("Something went wrong: it's not image?")

  path = @context.scan_until(/\||\]\]/)
  attrs = @context.matched == '|' ? image_attrs : {}
  Tree::Image.new(path, attrs)
end

#image_attr(nodes) ⇒ Object 



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# File 'lib/infoboxer/parser/image.rb', line 28

def image_attr(nodes)
  # it's caption, and can have inline markup!
  return {caption: ImageCaption.new(nodes)} unless nodes.count == 1 && nodes.first.is_a?(Text)

  case (str = nodes.first.text)
  when /^(thumb)(?:nail)?$/, /^(frame)(?:d)?$/
    {type: Regexp.last_match(1)}
  when 'frameless'
    {type: str}
  when 'border'
    {border: str}
  when /^(baseline|middle|sub|super|text-top|text-bottom|top|bottom)$/
    {alignment: str}
  when /^(\d*)(?:x(\d+))?px$/
    {width: Regexp.last_match(1), height: Regexp.last_match(2)}
  when /^link=(.*)$/i
    {link: Regexp.last_match(1)}
  when /^alt=(.*)$/i
    {alt: Regexp.last_match(1)}
  else # text-only caption
    {caption: ImageCaption.new(nodes)}
  end
end

#image_attrs ⇒ Object 



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# File 'lib/infoboxer/parser/image.rb', line 15

def image_attrs
  nodes = []

  loop do
    nodes << long_inline(/\||\]\]/)
    break if @context.matched == ']]'
  end

  nodes.map(&method(:image_attr))
       .inject(&:merge)
       .reject { |_k, v| v.nil? || v.empty? }
end