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 7

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

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

#image_attr(nodes) ⇒ Object 



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# File 'lib/infoboxer/parser/image.rb', line 33

def image_attr(nodes)
  if nodes.count == 1 && nodes.first.is_a?(Text)
    case (str = nodes.first.text)
    when /^(thumb)(?:nail)?$/, /^(frame)(?:d)?$/
      {type: $1}
    when 'frameless'
      {type: str}
    when 'border'
      {border: str}
    when /^(baseline|middle|sub|super|text-top|text-bottom|top|bottom)$/
      {alignment: str}
    when /^(\d*)(?:x(\d+))?px$/
      {width: $1, height: $2}
    when /^link=(.*)$/i
      {link: $1}
    when /^alt=(.*)$/i
      {alt: $1}
    else # text-only caption
      {caption: nodes}
    end
  else # it's caption, and can have inline markup!
    {caption: nodes}
  end
end

#image_attrs ⇒ Object 



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# File 'lib/infoboxer/parser/image.rb', line 20

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