add tag v2_2_9

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v2_2_9@61257 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 75 insertions, 0 deletions

diff --git a/ruby_2_2/lib/webrick/httpversion.rb b/ruby_2_2/lib/webrick/httpversion.rb
new file mode 100644
index 0000000000..cdfb957296
--- /dev/null
+++ b/ruby_2_2/lib/webrick/httpversion.rb
@@ -0,0 +1,75 @@
+#--
+# HTTPVersion.rb -- presentation of HTTP version
+#
+# Author: IPR -- Internet Programming with Ruby -- writers
+# Copyright (c) 2002 Internet Programming with Ruby writers. All rights
+# reserved.
+#
+# $IPR: httpversion.rb,v 1.5 2002/09/21 12:23:37 gotoyuzo Exp $
+
+module WEBrick
+
+  ##
+  # Represents an HTTP protocol version
+
+  class HTTPVersion
+    include Comparable
+
+    ##
+    # The major protocol version number
+
+    attr_accessor :major
+
+    ##
+    # The minor protocol version number
+
+    attr_accessor :minor
+
+    ##
+    # Converts +version+ into an HTTPVersion
+
+    def self.convert(version)
+      version.is_a?(self) ? version : new(version)
+    end
+
+    ##
+    # Creates a new HTTPVersion from +version+.
+
+    def initialize(version)
+      case version
+      when HTTPVersion
+        @major, @minor = version.major, version.minor
+      when String
+        if /^(\d+)\.(\d+)$/ =~ version
+          @major, @minor = $1.to_i, $2.to_i
+        end
+      end
+      if @major.nil? || @minor.nil?
+        raise ArgumentError,
+          format("cannot convert %s into %s", version.class, self.class)
+      end
+    end
+
+    ##
+    # Compares this version with +other+ according to the HTTP specification
+    # rules.
+
+    def <=>(other)
+      unless other.is_a?(self.class)
+        other = self.class.new(other)
+      end
+      if (ret = @major <=> other.major) == 0
+        return @minor <=> other.minor
+      end
+      return ret
+    end
+
+    ##
+    # The HTTP version as show in the HTTP request and response.  For example,
+    # "1.1"
+
+    def to_s
+      format("%d.%d", @major, @minor)
+    end
+  end
+end