Class: Pry::CLI

Inherits:

Object

• Object
• Pry::CLI

show all

Defined in:

lib/pry/cli.rb

Overview

Constant Summary

NoOptionsError =

Class.new(StandardError)

Class Attribute Summary (collapse)

• + (Array) option_processors

  The Procs that process the parsed options.

• + (Proc) options

  The Proc defining the valid command line options.

Class Method Summary (collapse)

• + (Object) add_options(&block)

  Add another set of CLI options (a Slop block).

• + (Object) add_plugin_options

  Bring in options defined in plugins.

• + (Object) parse_options(args = ARGV.dup)
• + (Object) process_options(&block)

  Add a block responsible for processing parsed options.

• + (Object) reset

  Clear options and option_processors.

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# File 'lib/pry/cli.rb', line 15

def option_processors
  @option_processors
end

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# File 'lib/pry/cli.rb', line 12

def options
  @options
end

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# File 'lib/pry/cli.rb', line 18

def add_options(&block)
  if options
    old_options = options
    self.options = proc do
      instance_exec(&old_options)
      instance_exec(&block)
    end
  else
    self.options = block
  end

  self
end

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# File 'lib/pry/cli.rb', line 33

def add_plugin_options
  Pry.plugins.values.each do |plugin|
    plugin.load_cli_options
  end

  self
end

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# File 'lib/pry/cli.rb', line 55

def parse_options(args=ARGV.dup)
  raise NoOptionsError, "No command line options defined! Use Pry::CLI.add_options to add command line options." if !options

  opts = Slop.parse(args, :help => true, :multiple_switches => false, &options)
  option_processors.each { |processor| processor.call(opts) } if option_processors # option processors are optional

  self
end

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# File 'lib/pry/cli.rb', line 42

def process_options(&block)
  self.option_processors ||= []
  option_processors << block

  self
end

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# File 'lib/pry/cli.rb', line 50

def reset
  self.options           = nil
  self.option_processors = nil
end