src/common/dependency.rb

   1 =begin
   2
   3   dependency.rb
   4
   5 Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   6
   7 Contact:
   8 Taejun Ha <taejun.ha@samsung.com>
   9 Jiil Hyoun <jiil.hyoun@samsung.com>
  10 Donghyuk Yang <donghyuk.yang@samsung.com>
  11 DongHee Yang <donghee.yang@samsung.com>
  12
  13 Licensed under the Apache License, Version 2.0 (the "License");
  14 you may not use this file except in compliance with the License.
  15 You may obtain a copy of the License at
  16
  17 http://www.apache.org/licenses/LICENSE-2.0
  18
  19 Unless required by applicable law or agreed to in writing, software
  20 distributed under the License is distributed on an "AS IS" BASIS,
  21 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  22 See the License for the specific language governing permissions and
  23 limitations under the License.
  24
  25 Contributors:
  26 - S-Core Co., Ltd
  27 =end
  28
  29 $LOAD_PATH.unshift File.dirname(__FILE__)
  30 require "Version"
  31
  32 class Dependency
  33     attr_accessor :package_name, :comp, :base_version, :target_os_list
  34     def initialize (package_name, comp, base_version, target_os_list)
  35         @package_name = package_name
  36         @comp = comp
  37         @base_version = base_version
  38         @target_os_list = target_os_list
  39     end
  40
  41     def to_s
  42         string = @package_name
  43         if not @comp.nil? and not @base_version.nil? then
  44             string = string + " ( #{@comp} #{@base_version} )"
  45         end
  46
  47         if not @target_os_list.empty? then
  48             string = string + " [ #{@target_os_list.join("|")} ]"
  49         end
  50         return string
  51     end
  52
  53         def match? ver
  54                 if @base_version.nil?
  55                         return true
  56                 end
  57
  58                 # compare to base version
  59                 if @comp == ">>"
  60                         return Version.new(ver) > Version.new(@base_version)
  61                 elsif @comp == ">="
  62                         return Version.new(ver) >= Version.new(@base_version)
  63                 elsif @comp == "=="
  64                         return Version.new(ver) == Version.new(@base_version)
  65                 elsif @comp == "<="
  66                         return Version.new(ver) <= Version.new(@base_version)
  67                 elsif @comp == "<<"
  68                         return Version.new(ver) < Version.new(@base_version)
  69                 else
  70                         return true
  71                 end
  72         end
  73 end
  74