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# coding: utf-8
# import.rb
#
# Created by James Edward Gray II on 2005-04-26.
# Copyright 2005 Gray Productions. All rights reserved.
#
# This is Free Software. See LICENSE and COPYING for details.
require "highline"
require "forwardable"
$terminal = HighLine.new
#
# <tt>require "highline/import"</tt> adds shortcut methods to Kernel, making
# {HighLine#agree}, {HighLine#ask}, {HighLine#choose} and {HighLine#say}
# globally available. This is handy for
# quick and dirty input and output. These methods use the HighLine object in
# the global variable <tt>$terminal</tt>, which is initialized to use
# <tt>$stdin</tt> and <tt>$stdout</tt> (you are free to change this).
# Otherwise, these methods are identical to their {HighLine} counterparts, see that
# class for detailed explanations.
#
module Kernel
extend Forwardable
def_delegators :$terminal, :agree, :ask, :choose, :say
end
# When requiring 'highline/import' HighLine adds {#or_ask} to Object so
# it is globally available.
class Object
#
# Tries this object as a _first_answer_ for a HighLine::Question. See that
# attribute for details.
#
# *Warning*: This Object will be passed to String() before set.
#
# @param args [Array<#to_s>]
# @param details [lambda] block to be called with the question
# instance as argument.
# @return [String] answer
def or_ask( *args, &details )
ask(*args) do |question|
question.first_answer = String(self)
details.call(question) if details
end
end
end
class HighLine
# Pass +false+ to _setting_ to turn off HighLine's color escapes.
def self.use_color=(setting)
$terminal.use_color = setting
end
# Returns true if HighLine is currently using color escapes.
def self.use_color?
$terminal.use_color?
end
end
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