na-get-lib/NaGet.Packages/Platform.cs

   1 using System;\r
   2 using System.Reflection;\r
   3 using System.Xml.Serialization;\r
   4 \r
   5 namespace NaGet.Packages\r
   6 {\r
   7         /// <summary>\r
   8         /// PlatformのOSの種類をあらわす\r
   9         /// </summary>\r
  10         public enum PlatformOSType : ushort\r
  11         {\r
  12                 WIN95 = 40,\r
  13                 WIN98 = 41,\r
  14                 WINME = 42,\r
  15                 \r
  16                 WINNT4 = 140,\r
  17                 WIN2K = 150,\r
  18                 WINXP = 151,\r
  19                 WIN2003 = 152,\r
  20                 VISTA = 160,\r
  21                 WIN7 = 161,\r
  22                 WIN8 = 162,\r
  23         }\r
  24         \r
  25         public class Platform\r
  26         {\r
  27                 /// <summary>\r
  28                 /// ソフトの動作するアーキテクチャ\r
  29                 /// </summary>\r
  30                 [XmlAttribute]\r
  31                 public ProcessorArchitecture Arch = ProcessorArchitecture.X86;\r
  32                 \r
  33                 /// <summary>\r
  34                 /// 動作するOSの種類の配列\r
  35                 /// </summary>\r
  36                 [XmlIgnore]\r
  37                 public PlatformOSType[] OsType;\r
  38                 \r
  39                 /// <summary>\r
  40                 /// OsTypeの文字列表現\r
  41                 /// </summary>\r
  42                 [XmlAttribute]\r
  43                 public string Os {\r
  44                         get {\r
  45                                 if (OsType == null) return null;\r
  46                                 string[] strs = new string[OsType.Length];\r
  47                                 for (int i = 0; i < OsType.Length; i++) {\r
  48                                         strs[i] = OsType[i].ToString("G");\r
  49                                 }\r
  50                                 return string.Join(",", strs);\r
  51                         }\r
  52                         set {\r
  53                                 string[] strs = (value ?? string.Empty).Split(',');\r
  54                                 System.Collections.Generic.List<PlatformOSType> list = new System.Collections.Generic.List<PlatformOSType>();\r
  55                                 for (int i = 0; i < strs.Length; i++) {\r
  56                                         try {\r
  57                                                 list.Add((PlatformOSType) Enum.Parse(typeof(PlatformOSType), strs[i], true));\r
  58                                         } catch (ArgumentException) {\r
  59                                         }\r
  60                                 }\r
  61                                 list.Sort();\r
  62                                 OsType = list.ToArray();\r
  63                         }\r
  64                 }\r
  65                 \r
  66                 /// <summary>\r
  67                 /// 現在のプラットホームで動くか否か?\r
  68                 /// </summary>\r
  69                 /// <returns>動く場合はtrue</returns>\r
  70                 public bool IsRunnable()\r
  71                 {\r
  72                         return IsRunnableArch() && IsRunnableOS();\r
  73                 }\r
  74                 \r
  75                 /// <summary>\r
  76                 /// 現在のマシンのアーキテクチャで動くか否か?\r
  77                 /// </summary>\r
  78                 /// <returns>動く場合はtrue</returns>\r
  79                 public bool IsRunnableArch()\r
  80                 {\r
  81                         return Arch == GetArch() ||\r
  82                                 Arch == ProcessorArchitecture.None ||\r
  83                                 Arch == ProcessorArchitecture.MSIL;\r
  84                 }\r
  85                 \r
  86                 /// <summary>\r
  87                 /// 現在のマシンのアーキテクチャで動かないが、Wow64で動くか否か?\r
  88                 /// 64ビット環境でない場合は常にfalse\r
  89                 /// </summary>\r
  90                 /// <returns></returns>\r
  91                 public bool IsRunnableArchOnWow64()\r
  92                 {\r
  93                         if (IntPtr.Size == 8) {\r
  94                                 return Arch == ProcessorArchitecture.X86;\r
  95                         } else {\r
  96                                 return false;\r
  97                         }\r
  98                 }\r
  99                 \r
 100                 /// <summary>\r
 101                 /// 現在のマシンのアーキテクチャを得る\r
 102                 /// </summary>\r
 103                 /// <returns>現在のマシンのアーキテクチャ</returns>\r
 104                 public static ProcessorArchitecture GetArch()\r
 105                 {\r
 106                         Module[] moduleArray = Assembly.GetExecutingAssembly().GetModules();\r
 107                         Module md = moduleArray[0];\r
 108 \r
 109                         PortableExecutableKinds pekinds;\r
 110                         ImageFileMachine ifm;\r
 111                         md.GetPEKind(out pekinds, out ifm);\r
 112                         \r
 113                         switch (ifm) {\r
 114                                 case ImageFileMachine.AMD64:\r
 115                                         return ProcessorArchitecture.Amd64;\r
 116                                 case ImageFileMachine.I386:\r
 117                                         return (IntPtr.Size == 4)? ProcessorArchitecture.X86 : ProcessorArchitecture.Amd64;\r
 118                                 case ImageFileMachine.IA64:\r
 119                                         return ProcessorArchitecture.IA64;\r
 120                                 default:\r
 121                                         return ProcessorArchitecture.None;\r
 122                         }\r
 123                 }\r
 124                 \r
 125                 /// <summary>\r
 126                 /// 現在のマシンで動くかを返す\r
 127                 /// </summary>\r
 128                 /// <returns>現在のマシンで動くか</returns>\r
 129                 public bool IsRunnableOS()\r
 130                 {\r
 131                         if (OsType == null || OsType.Length <= 0) {\r
 132                                 return true; // 記述なしはOS全部で動く扱い\r
 133                         }\r
 134                         \r
 135                         PlatformOSType? thisOs = GetOSType();\r
 136 \r
 137                         // 当分の間、Windows 8 (仮称) は Windows 7 のアプリは使えるようにしておく\r
 138                         if (thisOs.HasValue && thisOs.Value == PlatformOSType.WIN8) {\r
 139                                 return Array.BinarySearch(OsType, PlatformOSType.WIN7)\r
 140                                     || Array.BinarySearch(OsType, PlatformOSType.WIN8);\r
 141                         }\r
 142 \r
 143                         return thisOs != null && Array.BinarySearch(OsType, (PlatformOSType) thisOs) >= 0;\r
 144                 }\r
 145                 \r
 146                 /// <summary>\r
 147                 /// 現在のマシンのOSを得る\r
 148                 /// </summary>\r
 149                 /// <returns>現在のマシンのOS</returns>\r
 150                 public static PlatformOSType? GetOSType()\r
 151                 {\r
 152                         OperatingSystem os = Environment.OSVersion;\r
 153                         Version osVer = os.Version;\r
 154                         \r
 155                         switch (os.Platform) {\r
 156                                 case PlatformID.Win32Windows:\r
 157                                         if (osVer.Major == 4) {\r
 158                                                 switch (osVer.Minor) {\r
 159                                                         case 4:\r
 160                                                                 return PlatformOSType.WIN95;\r
 161                                                         case 10:\r
 162                                                                 return PlatformOSType.WIN98;\r
 163                                                         case 90:\r
 164                                                                 return PlatformOSType.WINME;\r
 165                                                 }\r
 166                                         }\r
 167                                         break;\r
 168                                 case PlatformID.Win32NT:\r
 169                                         if (osVer.Major == 4) {\r
 170                                                 return PlatformOSType.WINNT4;\r
 171                                         } else if (osVer.Major == 5) {\r
 172                                                 switch (osVer.Minor) {\r
 173                                                         case 0:\r
 174                                                                 return PlatformOSType.WIN2K;\r
 175                                                         case 1:\r
 176                                                                 return PlatformOSType.WINXP;\r
 177                                                         case 2:\r
 178                                                                 return PlatformOSType.WIN2003;\r
 179                                                 }\r
 180                                         } else if (osVer.Major == 6) {\r
 181                                                 switch (osVer.Minor) {\r
 182                                                         case 0:\r
 183                                                                 return PlatformOSType.VISTA;\r
 184                                                         case 1:\r
 185                                                                 return PlatformOSType.WIN7;\r
 186                                                         case 2:\r
 187                                                                 return PlatformOSType.WIN8;\r
 188                                                 }\r
 189                                         }\r
 190                                         break;\r
 191 //                              case PlatformID.WinCE:\r
 192 //                                      return null;\r
 193 //                              case PlatformID.Unix:\r
 194 //                                      return null;\r
 195                         }\r
 196                         \r
 197                         return null;\r
 198                 }\r
 199         }\r
 200 }\r