Contents

require 'rib'

module Rib::Anchor
  extend Rib::Plugin
  Shell.use(self)

  # --------------- Rib API ---------------

  def loop_eval str
    return super if Rib::Anchor.disabled?
    if eval_binding.kind_of?(Binding)
      super
    else
      eval_binding.instance_eval(str, "(#{name})", line)
    end
  end

  def prompt
    return super if Rib::Anchor.disabled?
    return super unless config[:prompt_anchor]

    level = "(#{Rib.shells.size - 1})"
    if Rib.const_defined?(:Color) &&
       kind_of?(Rib::Color)       &&
       Rib::Color.enabled?

      "#{format_color(eval_binding, prompt_anchor)}#{level}#{super}"
    else
      "#{prompt_anchor}#{level}#{super}"
    end
  end

  # --------------- Plugin API ---------------

  # override Underscore#bound_object
  def bound_object
    return super if Rib::Anchor.disabled?
    return super if eval_binding.kind_of?(Binding)
    eval_binding
  end



  private
  def prompt_anchor
    @prompt_anchor ||=
    if eval_binding.kind_of?(Binding)
      eval_binding.eval('self', __FILE__, __LINE__)
    else
      eval_binding
    end.inspect[0..9]
  end

  module Imp
    def anchor obj_or_binding, opts={}
      return if Rib::Anchor.disabled?

      if Rib.shell.running?
        Rib.shells << Rib::Shell.new(
          Rib.shell.config.merge( :binding       => obj_or_binding,
                                  :prompt_anchor => true         ).
                           merge(opts))
      else
          Rib.shell.config.merge!(:binding       => obj_or_binding,
                                  :prompt_anchor => true         ).
                           merge!(opts)
      end

      Rib.shell.loop
      Rib::Skip

    ensure
      Rib.shells.pop
    end
  end

  Rib.extend(Imp)
end

Version data entries

7 entries across 7 versions & 1 rubygems

Version	Path
rib-1.1.6	lib/rib/more/anchor.rb
rib-1.1.5	lib/rib/more/anchor.rb
rib-1.1.4	lib/rib/more/anchor.rb
rib-1.1.3	lib/rib/more/anchor.rb
rib-1.1.2	lib/rib/more/anchor.rb
rib-1.1.1	lib/rib/more/anchor.rb
rib-1.1.0	lib/rib/more/anchor.rb