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Contents
module GLI
# Factory for creating an OptionParser based on app configuration and DSL calls
class OptionParserFactory
# Create an OptionParserFactory for the given
# flags, switches, and accepts
def initialize(flags,switches,accepts)
@flags = flags
@switches = switches
@accepts = accepts
end
# Return an option parser to parse the given flags, switches and accepts
def option_parser
options = {}
option_parser = OptionParser.new do |opts|
self.class.setup_accepts(opts,@accepts)
self.class.setup_options(opts,@switches,options)
self.class.setup_options(opts,@flags,options)
end
[option_parser,options]
end
private
def self.setup_accepts(opts,accepts)
accepts.each do |object,block|
opts.accept(object) do |arg_as_string|
block.call(arg_as_string)
end
end
end
def self.setup_options(opts,tokens,options)
tokens.each do |ignore,token|
opts.on(*token.arguments_for_option_parser) do |arg|
[token.name,token.aliases].flatten.compact.each do |name|
options[name] = arg
end
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems