Class: AsciidoctorDiagramLayout::Asciidoc::LayoutBlockProcessor

Inherits:
Asciidoctor::Extensions::BlockProcessor
  • Object
show all
Defined in:
lib/asciidoctor_diagram_layout/asciidoc/layout_block_processor.rb

Overview

Asciidoctor block processor for the [layout] block.

Parses a DSL body into a layout tree and renders it as inline HTML (HTML backend) or standalone SVG (all other backends).

Instance Method Summary collapse

Instance Method Details

#process(parent, reader, attrs) ⇒ Asciidoctor::Block

Returns rendered block.

Parameters:

  • parent (Asciidoctor::Block) —

    parent block

  • reader (Asciidoctor::Reader) —

    DSL source reader

  • attrs (Hash) —

    block attributes

Returns:

  • (Asciidoctor::Block) —

    rendered block



23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/asciidoctor_diagram_layout/asciidoc/layout_block_processor.rb', line 23

def process(parent, reader, attrs)
  dsl           = reader.read
  implicit_dir  = attrs["direction"] == "cols" ? :cols : :rows
  root          = Parser.new.parse(dsl, implicit_dir)
  backend       = parent.document.attr("backend").to_s
  strategy      = resolve_strategy(attrs["renderer"], backend)
  palette       = attrs.fetch("palette", "rainbow")
  pdf           = backend == "pdf"
  title         = attrs["title"]
  options       = Renderer::RenderOptions.new(
    width:          attrs.fetch("width", "100%"),
    height:         attrs["height"],
    title:          title,
    palette:        palette,
    pdf:            pdf,
    name_converter: ->(name) { convert_inline(parent, name) }
  )
  case strategy
  when :html then render_html(parent, root, options)
  when :svg  then render_svg(parent, root, backend, options, attrs, title)
  end
end