mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
121 lines
2.4 KiB
Ruby
121 lines
2.4 KiB
Ruby
# frozen_string_literal: true
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##
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#
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# Represents a gem of name +name+ at +version+ of +platform+. These
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# wrap the data returned from the indexes.
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class Gem::NameTuple
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def initialize(name, version, platform="ruby")
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@name = name
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@version = version
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unless platform.kind_of? Gem::Platform
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platform = "ruby" if !platform or platform.empty?
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end
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@platform = platform
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end
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attr_reader :name, :version, :platform
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##
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# Turn an array of [name, version, platform] into an array of
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# NameTuple objects.
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def self.from_list(list)
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list.map {|t| new(*t) }
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end
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##
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# Turn an array of NameTuple objects back into an array of
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# [name, version, platform] tuples.
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def self.to_basic(list)
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list.map {|t| t.to_a }
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end
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##
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# A null NameTuple, ie name=nil, version=0
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def self.null
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new nil, Gem::Version.new(0), nil
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end
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##
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# Returns the full name (name-version) of this Gem. Platform information is
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# included if it is not the default Ruby platform. This mimics the behavior
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# of Gem::Specification#full_name.
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def full_name
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case @platform
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when nil, 'ruby', ''
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"#{@name}-#{@version}"
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else
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"#{@name}-#{@version}-#{@platform}"
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end.dup.tap(&Gem::UNTAINT)
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end
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##
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# Indicate if this NameTuple matches the current platform.
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def match_platform?
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Gem::Platform.match_gem? @platform, @name
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end
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##
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# Indicate if this NameTuple is for a prerelease version.
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def prerelease?
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@version.prerelease?
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end
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##
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# Return the name that the gemspec file would be
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def spec_name
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"#{full_name}.gemspec"
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end
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##
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# Convert back to the [name, version, platform] tuple
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def to_a
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[@name, @version, @platform]
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end
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def inspect # :nodoc:
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"#<Gem::NameTuple #{@name}, #{@version}, #{@platform}>"
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end
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alias to_s inspect # :nodoc:
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def <=>(other)
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[@name, @version, @platform == Gem::Platform::RUBY ? -1 : 1] <=>
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[other.name, other.version,
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other.platform == Gem::Platform::RUBY ? -1 : 1]
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end
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include Comparable
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##
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# Compare with +other+. Supports another NameTuple or an Array
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# in the [name, version, platform] format.
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def ==(other)
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case other
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when self.class
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@name == other.name and
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@version == other.version and
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@platform == other.platform
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when Array
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to_a == other
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else
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false
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end
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end
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alias_method :eql?, :==
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def hash
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to_a.hash
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end
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end
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