class OptionParser::ParseError

Parent:: RuntimeError

Base class of exceptions from OptionParser.

Constants

Reason: Reason which caused the error.

Attributes

args[R]

reason[W]

Public Class Methods

filter_backtrace(array) Show source

# File lib/optparse.rb, line 1816
def self.filter_backtrace(array)
  unless $DEBUG
    array.delete_if(&%r"\A#{Regexp.quote(__FILE__)}:"o.method(:=~))
  end
  array
end

new(*args) Show source

# File lib/optparse.rb, line 1800
def initialize(*args)
  @args = args
  @reason = nil
end

Public Instance Methods

inspect() Show source

# File lib/optparse.rb, line 1843
def inspect
  "#<#{self.class}: #{args.join(' ')}>"
end

message() Show source

# File lib/optparse.rb, line 1850
def message
  reason + ': ' + args.join(' ')
end

Default stringizing method to emit standard error message.

Also aliased as: to_s

reason() Show source

# File lib/optparse.rb, line 1839
def reason
  @reason || self.class::Reason
end

Returns error reason. Override this for I18N.

recover(argv) Show source

# File lib/optparse.rb, line 1811
def recover(argv)
  argv[0, 0] = @args
  argv
end

Pushes back erred argument(s) to argv.

set_backtrace(array) Show source

# File lib/optparse.rb, line 1823
def set_backtrace(array)
  super(self.class.filter_backtrace(array))
end

Calls superclass method Exception#set_backtrace

set_option(opt, eq) Show source

# File lib/optparse.rb, line 1827
def set_option(opt, eq)
  if eq
    @args[0] = opt
  else
    @args.unshift(opt)
  end
  self
end

to_s()

Alias for: message

Ruby Core © 1993–2017 Yukihiro Matsumoto
Licensed under the Ruby License.
Ruby Standard Library © contributors
Licensed under their own licenses.