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module LeapCli
module Commands
extend self
extend LeapCli::Util
# #
# # keeps prompting the user for a numbered choice, until they pick a good one or bail out.
# #
# # block is yielded and is responsible for rendering the choices.
# #
def numbered_choice_menu(msg, items, &block)
while true
say("\n" + msg + ':')
items.each_with_index &block
say("q. quit")
index = ask("number 1-#{items.length}> ")
if index.empty?
next
elsif index =~ /q/
bail!
else
i = index.to_i - 1
if i < 0 || i >= items.length
bail!
else
return i
end
end
end
end
# #
# # read a file, exit if the file doesn't exist.
# #
# def read_file!(file_path)
# if !File.exists?(file_path)
# bail!("File '%s' does not exist." % file_path)
# else
# File.readfile(file_path)
# end
# end
# ##
# ## LOGGING
# ##
# def log0(message=nil, &block)
# if message
# puts message
# elsif block
# puts yield(block)
# end
# end
# def log1(message=nil, &block)
# if LeapCli.log_level > 0
# if message
# puts message
# elsif block
# puts yield(block)
# end
# end
# end
# def log2(message=nil, &block)
# if LeapCli.log_level > 1
# if message
# puts message
# elsif block
# puts yield(block)
# end
# end
# end
# def progress(message)
# log1(" * " + message)
# end
# ##
# ## QUITTING
# ##
# #
# # quit and print help
# #
# def help!(message=nil)
# ENV['GLI_DEBUG'] = "false"
# help_now!(message)
# #say("ERROR: " + message)
# end
# #
# # quit with a message that we are bailing out.
# #
# def bail!(message="")
# say(message)
# say("Bailing out.")
# raise SystemExit.new
# #ENV['GLI_DEBUG'] = "false"
# #exit_now!(message)
# end
# #
# # quit with no message
# #
# def quit!(message='')
# say(message)
# raise SystemExit.new
# end
# #
# # bails out with message if assertion is false.
# #
# def assert!(boolean, message)
# bail!(message) unless boolean
# end
# #
# # assert that the command is available
# #
# def assert_bin!(cmd_name)
# assert! `which #{cmd_name}`.strip.any?, "Sorry, bailing out, the command '%s' is not installed." % cmd_name
# end
end
end
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