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module Slop
# Base error class.
class Error < StandardError
end
# Raised when calling `call` on Slop::Option (this
# method must be overriden in subclasses)
class NotImplementedError < Error
end
# Raised when an option that expects an argument is
# executed without one. Suppress with the `suppress_errors`
# config option.
class MissingArgument < Error
attr_reader :flags
# Get all the flags that matches
# the option with the missing argument
def initialize(msg, flags)
super(msg)
@flags = flags
end
end
# Raised when an unknown option is parsed or when trying to fetch an
# unexisting option via `Slop::Result#fetch`.
# Suppress with the `suppress_errors` config option.
class UnknownOption < Error
attr_reader :flag
def initialize(msg, flag)
super(msg)
@flag = flag
end
end
# Raised when a required option is *not* parsed.
# Suppress with the `suppress_errors` config option.
class MissingRequiredOption < Error
end
# Raised when a given option is provided by the user and does not
# match the expected format for that type. This is only raised if
# validate_types is set to true.
class InvalidOptionValue < Error
attr_reader :flag
def initialize(msg, flag)
super(msg)
@flag = flag
end
end
end
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