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# TODO: the documentation in here is terrible.
#
# Each exception needs a brief description and the scenarios where it is
# likely to be raised
##
# Base exception class for RubyGems. All exception raised by RubyGems are a
# subclass of this one.
class Gem::Exception < RuntimeError
attr_accessor :source_exception
end
class Gem::CommandLineError < Gem::Exception; end
class Gem::DependencyError < Gem::Exception; end
class Gem::DependencyRemovalException < Gem::Exception; end
##
# Raised when attempting to uninstall a gem that isn't in GEM_HOME.
class Gem::GemNotInHomeException < Gem::Exception
attr_accessor :spec
end
class Gem::DocumentError < Gem::Exception; end
##
# Potentially raised when a specification is validated.
class Gem::EndOfYAMLException < Gem::Exception; end
##
# Signals that a file permission error is preventing the user from
# operating on the given directory.
class Gem::FilePermissionError < Gem::Exception
attr_reader :directory
def initialize directory
@directory = directory
super "You don't have write permissions for the #{directory} directory."
end
end
##
# Used to raise parsing and loading errors
class Gem::FormatException < Gem::Exception
attr_accessor :file_path
end
class Gem::GemNotFoundException < Gem::Exception; end
class Gem::SpecificGemNotFoundException < Gem::GemNotFoundException
def initialize(name, version, errors=nil)
super "Could not find a valid gem '#{name}' (#{version}) locally or in a repository"
@name = name
@version = version
@errors = errors
end
attr_reader :name, :version, :errors
end
class Gem::InstallError < Gem::Exception; end
##
# Potentially raised when a specification is validated.
class Gem::InvalidSpecificationException < Gem::Exception; end
class Gem::OperationNotSupportedError < Gem::Exception; end
##
# Signals that a remote operation cannot be conducted, probably due to not
# being connected (or just not finding host).
#--
# TODO: create a method that tests connection to the preferred gems server.
# All code dealing with remote operations will want this. Failure in that
# method should raise this error.
class Gem::RemoteError < Gem::Exception; end
class Gem::RemoteInstallationCancelled < Gem::Exception; end
class Gem::RemoteInstallationSkipped < Gem::Exception; end
##
# Represents an error communicating via HTTP.
class Gem::RemoteSourceException < Gem::Exception; end
class Gem::VerificationError < Gem::Exception; end
##
# Raised to indicate that a system exit should occur with the specified
# exit_code
class Gem::SystemExitException < SystemExit
attr_accessor :exit_code
def initialize(exit_code)
@exit_code = exit_code
super "Exiting RubyGems with exit_code #{exit_code}"
end
end
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