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Contents
module Geminabox
# This class represents a sorted collection of Geminabox::GemVersion objects.
# It it used widely throughout the system for displaying and filtering gems.
class GemVersionCollection
include Enumerable
# Array of Geminabox::GemVersion objects, or an array of [name, version,
# platform] triples.
def initialize(initial_gems=[])
@gems = initial_gems.map{|object|
coerce_to_gem_version(object)
}.sort
end
# FIXME: Terminology makes no sense when the version are not all of the same
# name
def oldest
@gems.first
end
# FIXME: Terminology makes no sense when the version are not all of the same
# name
def newest
@gems.last
end
def size
@gems.size
end
def each(&block)
@gems.each(&block)
end
# The collection can contain gems of different names, this method groups them
# by name, and then sorts the different version of each name by version and
# platform.
#
# yields 'foo_gem', version_collection
def by_name(&block)
@grouped ||= @gems.group_by(&:name).map{|name, collection|
[name, Geminabox::GemVersionCollection.new(collection)]
}.sort_by{|name, collection|
name.downcase
}
if block_given?
@grouped.each(&block)
else
@grouped
end
end
private
def coerce_to_gem_version(object)
if object.is_a?(Geminabox::GemVersion)
object
else
Geminabox::GemVersion.new(*object)
end
end
end
end
Version data entries
34 entries across 34 versions & 3 rubygems