Class: Pry::Command::Ls::Constants

Inherits:
Formatter show all
Includes:
Interrogatable
Defined in:
lib/pry/commands/ls/constants.rb

Constant Summary collapse

DEPRECATED_CONSTANTS = 
[
  :Data, :Fixnum, :Bignum, :TimeoutError, :NIL, :FALSE, :TRUE
].tap do |constants|
  constants << :JavaPackageModuleTemplate if Helpers::Platform.jruby?
end

Instance Attribute Summary

Attributes inherited from Formatter

#grep, #pry_instance

Instance Method Summary collapse

Methods included from Interrogatable

#interrogatee_mod, #interrogating_a_module?

Methods inherited from Formatter

#color, #format_value, #output_section, #write_out

Constructor Details

#initialize(interrogatee, no_user_opts, opts, pry_instance) ⇒ Constants

Returns a new instance of Constants.


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# File 'lib/pry/commands/ls/constants.rb', line 14

def initialize(interrogatee, no_user_opts, opts, pry_instance)
  super(pry_instance)
  @interrogatee = interrogatee
  @no_user_opts = no_user_opts
  @default_switch = opts[:constants]
  @verbose_switch = opts[:verbose]
  @dconstants = opts.dconstants?
end

Instance Method Details

#correct_opts? ⇒ Boolean

Returns:

  • (Boolean) 

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# File 'lib/pry/commands/ls/constants.rb', line 23

def correct_opts?
  super || (@no_user_opts && interrogating_a_module?)
end

#format(mod, constants) ⇒ Object (private) 


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# File 'lib/pry/commands/ls/constants.rb', line 39

def format(mod, constants)
  constants.sort_by(&:downcase).map do |name|
    if Object.respond_to?(:deprecate_constant) &&
       DEPRECATED_CONSTANTS.include?(name) &&
       !show_deprecated_constants?
      next
    end

    if (const = (begin
                   !mod.autoload?(name) && (mod.const_get(name) || true)
                 rescue StandardError
                   nil
                 end))
      if begin
           const < Exception
         rescue StandardError
           false
         end
        color(:exception_constant, name)
      elsif begin
              mod.const_get(name).is_a?(Module)
            rescue StandardError
              false
            end
        color(:class_constant, name)
      else
        color(:constant, name)
      end
    else
      color(:unloaded_constant, name)
    end
  end
end

#output_self ⇒ Object 


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# File 'lib/pry/commands/ls/constants.rb', line 27

def output_self
  mod = interrogatee_mod
  constants = WrappedModule.new(mod).constants(@verbose_switch)
  output_section('constants', grep.regexp[format(mod, constants)])
end

#show_deprecated_constants? ⇒ Boolean (private)

Returns:

  • (Boolean) 

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# File 'lib/pry/commands/ls/constants.rb', line 35

def show_deprecated_constants?
  @dconstants == true
end