108 lines
2.4 KiB
Ruby
108 lines
2.4 KiB
Ruby
#--
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# This file contains all the various exceptions and other errors that are used
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# inside of RubyGems.
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#
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# DOC: Confirm _all_
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#++
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module Gem
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##
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# Raised when RubyGems is unable to load or activate a gem. Contains the
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# name and version requirements of the gem that either conflicts with
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# already activated gems or that RubyGems is otherwise unable to activate.
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class LoadError < ::LoadError
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# Name of gem
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attr_accessor :name
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# Version requirement of gem
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attr_accessor :requirement
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end
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class ErrorReason; end
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# Generated when trying to lookup a gem to indicate that the gem
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# was found, but that it isn't usable on the current platform.
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#
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# fetch and install read these and report them to the user to aid
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# in figuring out why a gem couldn't be installed.
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#
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class PlatformMismatch < ErrorReason
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##
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# the name of the gem
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attr_reader :name
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##
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# the version
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attr_reader :version
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##
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# The platforms that are mismatched
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attr_reader :platforms
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def initialize(name, version)
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@name = name
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@version = version
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@platforms = []
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end
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##
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# append a platform to the list of mismatched platforms.
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#
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# Platforms are added via this instead of injected via the constructor
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# so that we can loop over a list of mismatches and just add them rather
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# than perform some kind of calculation mismatch summary before creation.
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def add_platform(platform)
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@platforms << platform
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end
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##
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# A wordy description of the error.
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def wordy
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"Found %s (%s), but was for platform%s %s" %
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[@name,
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@version,
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@platforms.size == 1 ? '' : 's',
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@platforms.join(' ,')]
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end
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end
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##
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# An error that indicates we weren't able to fetch some
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# data from a source
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class SourceFetchProblem < ErrorReason
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##
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# Creates a new SourceFetchProblem for the given +source+ and +error+.
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def initialize(source, error)
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@source = source
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@error = error
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end
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##
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# The source that had the fetch problem.
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attr_reader :source
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##
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# The fetch error which is an Exception subclass.
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attr_reader :error
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##
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# An English description of the error.
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def wordy
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"Unable to download data from #{@source.uri} - #{@error.message}"
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end
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##
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# The "exception" alias allows you to call raise on a SourceFetchProblem.
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alias exception error
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end
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end
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