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# Copyright (C) 2013 Ruby-GNOME2 Project Team
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
module Gst
class Bin
include Enumerable
alias_method :add_element, :add
def add_elements(*elements)
elements.each do |element|
add_element(element)
end
end
alias_method :add, :add_elements
def <<(element)
add_element(element)
self
end
def each(options={})
return to_enum(:each, options) unless block_given?
if options[:recurse]
iterator = iterate_recurse
elsif options[:sink]
iterator = iterate_sinks
elsif options[:sorted]
iterator = iterate_sorted
elsif options[:sources]
iterator = iterate_sources
elsif options[:interface]
iterator = iterate_all_by_interface(options[:interface])
else
iterator = iterate_elements
end
loop do
result, element = iterator.next
case result
when IteratorResult::DONE
break
when IteratorResult::OK
yield(element.value)
when IteratorResult::RESYNC
iterator.resync
when IteratorResult::ERROR
raise "failed to iterate"
end
end
end
end
end
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