From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/lib/rubygems/name_tuple.rb | 123 ++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 jni/ruby/lib/rubygems/name_tuple.rb

(limited to 'jni/ruby/lib/rubygems/name_tuple.rb')

diff --git a/jni/ruby/lib/rubygems/name_tuple.rb b/jni/ruby/lib/rubygems/name_tuple.rb
new file mode 100644
index 0000000..60323db
--- /dev/null
+++ b/jni/ruby/lib/rubygems/name_tuple.rb
@@ -0,0 +1,123 @@
+##
+#
+# 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
-- 
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