helpers to simplifie writing a new asciidoctor

helpers.rb

require 'set'

module Asciidoctor

  # Fake template
  class DebuggerTemplate

    def render scope, params
      ''
    end

  end

  # Patch the converter
  class Converter::TemplateConverter

    # Handle anything, just ask !
    def handles? name
      unless @templates.key? name
        @templates[name] = DebuggerTemplate.new
      end
      true
    end
    
    def convert node, template_name = nil, opts = {}
      @lines ||= Set.new
      log_line =  nil
      value = nil
      if node.is_a? Asciidoctor::Block
        value = node.content
        log_line = "Convert #{node.class} with #{template_name} template for #{node.context}"
      elsif node.is_a? Asciidoctor::AbstractBlock
        value = node.content
        log_line = "Convert #{node.class} with #{template_name} template"
      elsif node.is_a? Asciidoctor::Inline
        value = node.text
        log_line = "Convert #{node.class} with #{template_name} template"
      else
        raise "Can convert #{node.class}"
      end
      if @lines.add?(log_line)
        p log_line
      end
      value
    end

  end
end