summaryrefslogtreecommitdiff
path: root/jni/ruby/lib/rubygems/errors.rb
diff options
context:
space:
mode:
authorJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-16 18:49:26 +0900
committerJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-30 00:39:06 +0900
commitfcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch)
tree64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/lib/rubygems/errors.rb
Fresh start
Diffstat (limited to 'jni/ruby/lib/rubygems/errors.rb')
-rw-r--r--jni/ruby/lib/rubygems/errors.rb137
1 files changed, 137 insertions, 0 deletions
diff --git a/jni/ruby/lib/rubygems/errors.rb b/jni/ruby/lib/rubygems/errors.rb
new file mode 100644
index 0000000..9defb9e
--- /dev/null
+++ b/jni/ruby/lib/rubygems/errors.rb
@@ -0,0 +1,137 @@
+#--
+# This file contains all the various exceptions and other errors that are used
+# inside of RubyGems.
+#
+# DOC: Confirm _all_
+#++
+
+module Gem
+ ##
+ # Raised when RubyGems is unable to load or activate a gem. Contains the
+ # name and version requirements of the gem that either conflicts with
+ # already activated gems or that RubyGems is otherwise unable to activate.
+
+ class LoadError < ::LoadError
+ # Name of gem
+ attr_accessor :name
+
+ # Version requirement of gem
+ attr_accessor :requirement
+ end
+
+ # Raised when there are conflicting gem specs loaded
+
+ class ConflictError < LoadError
+
+ ##
+ # A Hash mapping conflicting specifications to the dependencies that
+ # caused the conflict
+
+ attr_reader :conflicts
+
+ ##
+ # The specification that had the conflict
+
+ attr_reader :target
+
+ def initialize target, conflicts
+ @target = target
+ @conflicts = conflicts
+ @name = target.name
+
+ reason = conflicts.map { |act, dependencies|
+ "#{act.full_name} conflicts with #{dependencies.join(", ")}"
+ }.join ", "
+
+ # TODO: improve message by saying who activated `con`
+
+ super("Unable to activate #{target.full_name}, because #{reason}")
+ end
+ end
+
+ class ErrorReason; end
+
+ # Generated when trying to lookup a gem to indicate that the gem
+ # was found, but that it isn't usable on the current platform.
+ #
+ # fetch and install read these and report them to the user to aid
+ # in figuring out why a gem couldn't be installed.
+ #
+ class PlatformMismatch < ErrorReason
+
+ ##
+ # the name of the gem
+ attr_reader :name
+
+ ##
+ # the version
+ attr_reader :version
+
+ ##
+ # The platforms that are mismatched
+ attr_reader :platforms
+
+ def initialize(name, version)
+ @name = name
+ @version = version
+ @platforms = []
+ end
+
+ ##
+ # append a platform to the list of mismatched platforms.
+ #
+ # Platforms are added via this instead of injected via the constructor
+ # so that we can loop over a list of mismatches and just add them rather
+ # than perform some kind of calculation mismatch summary before creation.
+ def add_platform(platform)
+ @platforms << platform
+ end
+
+ ##
+ # A wordy description of the error.
+ def wordy
+ "Found %s (%s), but was for platform%s %s" %
+ [@name,
+ @version,
+ @platforms.size == 1 ? '' : 's',
+ @platforms.join(' ,')]
+ end
+ end
+
+ ##
+ # An error that indicates we weren't able to fetch some
+ # data from a source
+
+ class SourceFetchProblem < ErrorReason
+
+ ##
+ # Creates a new SourceFetchProblem for the given +source+ and +error+.
+
+ def initialize(source, error)
+ @source = source
+ @error = error
+ end
+
+ ##
+ # The source that had the fetch problem.
+
+ attr_reader :source
+
+ ##
+ # The fetch error which is an Exception subclass.
+
+ attr_reader :error
+
+ ##
+ # An English description of the error.
+
+ def wordy
+ "Unable to download data from #{@source.uri} - #{@error.message}"
+ end
+
+ ##
+ # The "exception" alias allows you to call raise on a SourceFetchProblem.
+
+ alias exception error
+ end
+end