Class: Aptible::CLI::Renderer::Text

Inherits:
Base
  • Object
show all
Includes:
ActiveSupport::Inflector
Defined in:
lib/aptible/cli/renderer/text.rb

Constant Summary collapse

POST_PROCESSED_KEYS = 
{
  'Tls' => 'TLS',
  'Dns' => 'DNS',
  'Ip' => 'IP'
}.freeze

Instance Method Summary collapse

Instance Method Details

#render(node) ⇒ Object 



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# File 'lib/aptible/cli/renderer/text.rb', line 59

def render(node)
  io = StringIO.new
  visit(node, io)
  io.rewind
  io.read
end

#visit(node, io) ⇒ Object 



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# File 'lib/aptible/cli/renderer/text.rb', line 13

def visit(node, io)
  case node
  when Formatter::Root
    visit(node.root, io)
  when Formatter::KeyedObject
    visit(node.children.fetch(node.key), io)
  when Formatter::Object
    # TODO: We should have a way to fail in tests if we're going to
    # nest an object under another object (or at least handle it
    # decently).
    #
    # Right now, it provides unusable output like this:
    #
    # Foo: Bar: bar
    # Qux: qux
    #
    # (when rendering { foo => { bar => bar }, qux => qux })
    #
    # The solution to this problem is typically to make sure the
    # children are KeyedObject instances so they can render properly,
    # but we need to warn in tests that this is required.
    node.children.each_pair do |k, c|
      io.print "#{format_key(k)}: "
      visit(c, io)
    end
  when Formatter::GroupedKeyedList
    enum = spacer_enumerator
    node.groups.each_pair.sort_by(&:first).each do |key, group|
      io.print enum.next
      io.print '=== '
      nodes = group.map { |n| n.children.fetch(node.key) }
      visit(key, io)
      output_list(nodes, io)
    end
  when Formatter::KeyedList
    nodes = node.children.map { |n| n.children.fetch(node.key) }
    output_list(nodes, io)
  when Formatter::List
    output_list(node.children, io)
  when Formatter::Value
    io.puts node.value
  else
    raise "Unhandled node: #{node.inspect}"
  end
end