class OptionParser
Add the ability to specify switches as required to OptionParser
Attributes
missing_switches[R]
An array of messages describing any missing required switches
Public Instance Methods
make_switch(opts, block = nil)
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Wrapper for OptionParser::make_switch to allow for required switches
# File lib/qu/utils.rb, line 149 def make_switch(opts, block = nil) # Test if a switch is required required = opts.delete(:required) return_values = pickled_make_switch(opts, block) # Make sure required switches are given if required short = return_values[1][0].nil? ? nil : "-#{return_values[1][0]}" long = return_values[2][0].nil? ? nil : "--#{return_values[2][0]}" if !(default_argv.include?(short) || default_argv.include?(long)) @missing_switches ||= [] # Should be placed in initialize if incorporated into Ruby proper # Ugly and hard to read, should figure out a prettier way of doing this @missing_switches << "Missing switch: #{short if !short.nil?}#{" or " if !short.nil? && !long.nil?}#{long if !long.nil?}" end end return return_values end
Also aliased as: pickled_make_switch
missing_switches?()
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Convenience method to test if we’re missing any required switches
# File lib/qu/utils.rb, line 140 def missing_switches? !@missing_switches.nil? end
pickled_make_switch(opts, block = nil)
Alias the OptionParser::make_switch function (instead of directly modifying it like I did in 0.1.0)
Alias for: make_switch