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##
#
# Represents a gem of name +name+ at +version+ of +platform+. These
# wrap the data returned from the indexes.
require 'rubygems/platform'
class Gem::NameTuple
def initialize(name, version, platform="ruby")
@name = name
@version = version
unless platform.kind_of? Gem::Platform
platform = "ruby" if !platform or platform.empty?
end
@platform = platform
end
attr_reader :name, :version, :platform
##
# Turn an array of [name, version, platform] into an array of
# NameTuple objects.
def self.from_list list
list.map { |t| new(*t) }
end
##
# Turn an array of NameTuple objects back into an array of
# [name, version, platform] tuples.
def self.to_basic list
list.map { |t| t.to_a }
end
##
# A null NameTuple, ie name=nil, version=0
def self.null
new nil, Gem::Version.new(0), nil
end
##
# Returns the full name (name-version) of this Gem. Platform information is
# included if it is not the default Ruby platform. This mimics the behavior
# of Gem::Specification#full_name.
def full_name
case @platform
when nil, 'ruby', ''
"#{@name}-#{@version}"
else
"#{@name}-#{@version}-#{@platform}"
end.untaint
end
##
# Indicate if this NameTuple matches the current platform.
def match_platform?
Gem::Platform.match @platform
end
##
# Indicate if this NameTuple is for a prerelease version.
def prerelease?
@version.prerelease?
end
##
# Return the name that the gemspec file would be
def spec_name
"#{full_name}.gemspec"
end
##
# Convert back to the [name, version, platform] tuple
def to_a
[@name, @version, @platform]
end
def inspect # :nodoc:
"#<Gem::NameTuple #{@name}, #{@version}, #{@platform}>"
end
alias to_s inspect # :nodoc:
def <=> other
[@name, @version, @platform == Gem::Platform::RUBY ? -1 : 1] <=>
[other.name, other.version,
other.platform == Gem::Platform::RUBY ? -1 : 1]
end
include Comparable
##
# Compare with +other+. Supports another NameTuple or an Array
# in the [name, version, platform] format.
def == other
case other
when self.class
@name == other.name and
@version == other.version and
@platform == other.platform
when Array
to_a == other
else
false
end
end
alias_method :eql?, :==
def hash
to_a.hash
end
end
|
