# frozen_string_literal: true
##
#
# Represents a gem of name +name+ at +version+ of +platform+. These
# wrap the data returned from the indexes.
class Gem::NameTuple
def initialize(name, version, platform=Gem::Platform::RUBY)
@name = name
@version = version
platform &&= platform.to_s
platform = Gem::Platform::RUBY if !platform || platform.empty?
@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(&: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, "", Gem::Platform::RUBY
"#{@name}-#{@version}"
else
"#{@name}-#{@version}-#{@platform}"
end
end
##
# Indicate if this NameTuple matches the current platform.
def match_platform?
Gem::Platform.match_gem? @platform, @name
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:
"#"
end
alias_method :to_s, :inspect # :nodoc:
def <=>(other)
[@name, @version, Gem::Platform.sort_priority(@platform)] <=>
[other.name, other.version, Gem::Platform.sort_priority(other.platform)]
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 &&
@version == other.version &&
@platform == other.platform
when Array
to_a == other
else
false
end
end
alias_method :eql?, :==
def hash
to_a.hash
end
end