Sha256: 7638e862f638c3734f3b2a5732c09ebf5db3ef4a3f8fa3a8fb47d22e3ea8826f
Contents?: true
Size: 1.82 KB
Versions: 18
Compression:
Stored size: 1.82 KB
Contents
# encoding: UTF-8
# --
# Copyright (C) 2008-2010 10gen Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ++
module Mongo
# Simple class for comparing server versions.
class ServerVersion
include Comparable
def initialize(version)
@version = version
end
# Implements comparable.
def <=>(new)
local, new = self.to_a, to_array(new)
for n in 0...local.size do
break if elements_include_mods?(local[n], new[n])
if local[n] < new[n].to_i
result = -1
break;
elsif local[n] > new[n].to_i
result = 1
break;
end
end
result || 0
end
# Return an array representation of this server version.
def to_a
to_array(@version)
end
# Return a string representation of this server version.
def to_s
@version
end
private
# Returns true if any elements include mod symbols (-, +)
def elements_include_mods?(*elements)
elements.any? { |n| n =~ /[\-\+]/ }
end
# Converts argument to an array of integers,
# appending any mods as the final element.
def to_array(version)
array = version.split(".").map {|n| (n =~ /^\d+$/) ? n.to_i : n }
if array.last =~ /(\d+)([\-\+])/
array[array.length-1] = $1.to_i
array << $2
end
array
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems