Module | Arguable |
In: |
lib/optparse.rb
|
Extends command line arguments array (ARGV) to parse itself.
Initializes instance variable.
# File lib/optparse.rb, line 1762 1762: def self.extend_object(obj) 1763: super 1764: obj.instance_eval {@optparse = nil} 1765: end
# File lib/optparse.rb, line 1766 1766: def initialize(*args) 1767: super 1768: @optparse = nil 1769: 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 lib/optparse.rb, line 1755 1755: def getopts(*args) 1756: options.getopts(self, *args) 1757: 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 lib/optparse.rb, line 1714 1714: def options 1715: @optparse ||= OptionParser.new 1716: @optparse.default_argv = self 1717: block_given? or return @optparse 1718: begin 1719: yield @optparse 1720: rescue ParseError 1721: @optparse.warn $! 1722: nil 1723: end 1724: 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 lib/optparse.rb, line 1697 1697: def options=(opt) 1698: unless @optparse = opt 1699: class << self 1700: undef_method(:options) 1701: undef_method(:options=) 1702: end 1703: end 1704: end
Parses self destructively in order and returns self containing the rest arguments left unparsed.
# File lib/optparse.rb, line 1730 1730: def order!(&blk) options.order!(self, &blk) end
Parses self destructively and returns self containing the rest arguments left unparsed.
# File lib/optparse.rb, line 1742 1742: def parse!() options.parse!(self) end