Sha256: 1ebfb5ccc23a04e1755667f7fd8d8aa0bd2f309ce8cde7e5483dc09de1f8b639
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Size: 1.96 KB
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Stored size: 1.96 KB
Contents
################################################################################ # # Author: Zachary Patten <zachary@jovelabs.net> # Copyright: Copyright (c) Jove Labs # License: Apache License, Version 2.0 # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # ################################################################################ require "ostruct" module ZTK # ZTK::Spinner Error Class # # @author Zachary Patten <zachary@jovelabs.net> # @author Stephen Nelson-Smith <stephen@atalanta-systems.com> class SpinnerError < Error; end # Spinner Class # # @author Zachary Patten <zachary@jovelabs.net> # @author Stephen Nelson-Smith <stephen@atalanta-systems.com> class Spinner class << self def spin(options={}, &block) options = Base.build_config({ :sleep => 0.1 }.merge(options)) options.logger.debug { "options(#{options.inspect})" } !block_given? and Base.log_and_raise(options.logger, SpinnerError, "You must supply a block!") charset = %w( | / - \\ ) count = 0 spinner = Thread.new do while count do options.stdout.print(charset[(count += 1) % charset.length]) options.stdout.print("\b") options.stdout.respond_to?(:flush) and options.stdout.flush sleep(options.sleep) end end yield.tap do count = false spinner.join end end end end end
Version data entries
1 entries across 1 versions & 1 rubygems
Version | Path |
---|---|
ztk-0.2.5 | lib/ztk/spinner.rb |