Class: GovukTechDocs::ApiReference::Extension

Inherits:
Middleman::Extension
  • Object
show all
Defined in:
lib/govuk_tech_docs/api_reference/api_reference_extension.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, options_hash = {}, &block) ⇒ Extension 



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# File 'lib/govuk_tech_docs/api_reference/api_reference_extension.rb', line 12

def initialize(app, options_hash = {}, &block)
  super

  @app = app
  @config = @app.config[:tech_docs]

  # If no api path then just return.
  if @config['api_path'].to_s.empty?
    @api_parser = false
    return
  end

  # Is the api_path a url or path?
  if uri?(@config['api_path'])
    @api_parser = true
    @document = Openapi3Parser.load_url(@config['api_path'])
  elsif File.exist?(@config['api_path'])
    # Load api file and set existence flag.
    @api_parser = true
    @document = Openapi3Parser.load_file(@config['api_path'])
  else
    @api_parser = false
    raise 'Unable to load api path from tech-docs.yml'
  end
  @render = Renderer.new(@app, @document)
end

Instance Method Details

#api(text) ⇒ Object 



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# File 'lib/govuk_tech_docs/api_reference/api_reference_extension.rb', line 48

def api(text)
  if @api_parser == true

    keywords = {
      'api>' => 'default',
      'api_schema>' => 'schema'
    }

    regexp = keywords.map { |k, _| Regexp.escape(k) }.join('|')

    md = text.match(/^<p>(#{regexp})/)
    if md
      key = md.captures[0]
      type = keywords[key]

      text.gsub!(/#{ Regexp.escape(key) }\s+?/, '')

      # Strip paragraph tags from text
      text = text.gsub(/<\/?[^>]*>/, '')
      text = text.strip

      if text == 'api&gt;'
        @render.api_full(api_info, api_servers)
      elsif type == 'default'
        output = @render.path(text)
        # Render any schemas referenced in the above path
        output += @render.schemas_from_path(text)
        output
      else
        @render.schema(text)
      end

    else
      return text
    end
  else
    text
  end
end

#uri?(string) ⇒ Boolean 



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# File 'lib/govuk_tech_docs/api_reference/api_reference_extension.rb', line 39

def uri?(string)
  uri = URI.parse(string)
  %w(http https).include?(uri.scheme)
rescue URI::BadURIError
  false
rescue URI::InvalidURIError
  false
end