class OptionParser::ParseError
Base class of exceptions from OptionParser.
Constants
- Reason
Reason which caused the error.
Attributes
args[R]
reason[W]
Public Class Methods
filter_backtrace(array)
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# 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)
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# File lib/optparse.rb, line 1800 def initialize(*args) @args = args @reason = nil end
Public Instance Methods
inspect()
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# File lib/optparse.rb, line 1843 def inspect "#<#{self.class}: #{args.join(' ')}>" end
message()
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Default stringizing method to emit standard error message.
# File lib/optparse.rb, line 1850 def message reason + ': ' + args.join(' ') end
Also aliased as: to_s
reason()
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Returns error reason. Override this for I18N.
# File lib/optparse.rb, line 1839 def reason @reason || self.class::Reason end
recover(argv)
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Pushes back erred argument(s) to argv
.
# File lib/optparse.rb, line 1811 def recover(argv) argv[0, 0] = @args argv end
set_backtrace(array)
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Calls superclass method
Exception#set_backtrace
# File lib/optparse.rb, line 1823 def set_backtrace(array) super(self.class.filter_backtrace(array)) end
set_option(opt, eq)
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# File lib/optparse.rb, line 1827 def set_option(opt, eq) if eq @args[0] = opt else @args.unshift(opt) end self end