Class: Giblish::GraphPageBase

Inherits:
Object
  • Object
show all
Defined in:
lib/giblish/indexbuilders/depgraphbuilder.rb

Overview

Provide the source for a graphviz-based index page.

Note: The asciidoctor-diagram API seems a bit strange when it comes to storing temporary files:

  • it uses a document attribute imagesoutdir and stores the generated svg image under that regardless of svg-type.

  • it uses an option in the diagram macro “cachedir” under which a cached image is stored.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(info_2_ids, dst_node, basename, opts = {}) ⇒ GraphPageBase

Returns a new instance of GraphPageBase.



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# File 'lib/giblish/indexbuilders/depgraphbuilder.rb', line 15

def initialize(info_2_ids, dst_node, basename, opts = {})
  # use a tmp dir since asciidoctor-diagram generates cache files
  # that it doesn't remove afterwards
  Dir.mktmpdir do |dir|
    # build the graph source
    graph = DotDigraphAdoc.new(
      info_2_ids: info_2_ids,
      opts: {"svg-type" => "inline", "cachedir" => dir}
    )

    @adoc_source = <<~DEPGRAPH_PAGE
      = Dependency graph
      :imagesoutdir: #{dir}

      #{graph.source}

    DEPGRAPH_PAGE
  end
end

Instance Attribute Details

#adoc_source ⇒ Object (readonly)

Returns the value of attribute adoc_source.



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# File 'lib/giblish/indexbuilders/depgraphbuilder.rb', line 13

def adoc_source
  @adoc_source
end