Extends command line arguments array (ARGV) to parse itself.
# File tmp/rubies/ruby-2.5.9/lib/optparse.rb, line 2136
def self.extend_object(obj)
super
obj.instance_eval {@optparse = nil}
end
Initializes instance variable.
# File tmp/rubies/ruby-2.5.9/lib/optparse.rb, line 2140
def initialize(*args)
super
@optparse = nil
end
# File tmp/rubies/ruby-2.5.9/lib/optparse.rb, line 2129
def getopts(*args)
options.getopts(self, *args)
end
Substitution of getopts is possible as follows. Also see OptionParser#getopts.
def getopts(*args) ($OPT = ARGV.getopts(*args)).each do |opt, val| eval "$OPT_#{opt.gsub(/[^A-Za-z0-9_]/, '_')} = val" end rescue OptionParser::ParseError end
# File tmp/rubies/ruby-2.5.9/lib/optparse.rb, line 2088
def options
@optparse ||= OptionParser.new
@optparse.default_argv = self
block_given? or return @optparse
begin
yield @optparse
rescue ParseError
@optparse.warn $!
nil
end
end
Actual OptionParser object, automatically created if nonexistent.
If called with a block, yields the OptionParser object and returns the result of the block. If an OptionParser::ParseError exception occurs in the block, it is rescued, a error message printed to STDERR and nil returned.
# File tmp/rubies/ruby-2.5.9/lib/optparse.rb, line 2071
def options=(opt)
unless @optparse = opt
class << self
undef_method(:options)
undef_method(:options=)
end
end
end
Sets OptionParser object, when opt is false or nil, methods OptionParser::Arguable#options and OptionParser::Arguable#options= are undefined. Thus, there is no ways to access the OptionParser object via the receiver object.
# File tmp/rubies/ruby-2.5.9/lib/optparse.rb, line 2104
def order!(&blk) options.order!(self, &blk) end
Parses self destructively in order and returns self containing the rest arguments left unparsed.
# File tmp/rubies/ruby-2.5.9/lib/optparse.rb, line 2116
def parse!() options.parse!(self) end
Parses self destructively and returns self containing the rest arguments left unparsed.
# File tmp/rubies/ruby-2.5.9/lib/optparse.rb, line 2110
def permute!() options.permute!(self) end
Parses self destructively in permutation mode and returns self containing the rest arguments left unparsed.