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Versions: 7
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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(stdout=STDOUT)
charset = %w( | / - \\ )
count = 0
spinner = Thread.new do
while count do
stdout.print(charset[(count += 1) % charset.length])
stdout.print("\b")
stdout.respond_to?(:flush) and stdout.flush
sleep(0.1)
end
end
yield.tap do
count = false
spinner.join
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems