class OptionParser::ParseError
Base class of exceptions from OptionParser.
Constants
- Reason
-
Reasonwhich caused the error.
Attributes
args[R]
reason[W]
Public Class Methods
# File lib/optparse.rb, line 2003
def self.filter_backtrace(array)
unless $DEBUG
array.delete_if(&%r"\A#{Regexp.quote(__FILE__)}:"o.method(:=~))
end
array
end # File lib/optparse.rb, line 1987 def initialize(*args) @args = args @reason = nil end
Public Instance Methods
# File lib/optparse.rb, line 2030
def inspect
"#<#{self.class}: #{args.join(' ')}>"
end # File lib/optparse.rb, line 2037
def message
reason + ': ' + args.join(' ')
end Default stringizing method to emit standard error message.
Also aliased as: to_s
# File lib/optparse.rb, line 2026 def reason @reason || self.class::Reason end
Returns error reason. Override this for I18N.
# File lib/optparse.rb, line 1998 def recover(argv) argv[0, 0] = @args argv end
Pushes back erred argument(s) to argv.
# File lib/optparse.rb, line 2010 def set_backtrace(array) super(self.class.filter_backtrace(array)) end
Calls superclass method
Exception#set_backtrace # File lib/optparse.rb, line 2014
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.