class/Microsoft.Build.Utilities/Mono.XBuild.Utilities/ReservedNameUtils.cs

   1 //
   2 // ReservedNameUtils.cs
   3 //
   4 // Author:
   5 //   Marek Sieradzki (marek.sieradzki@gmail.com)
   6 //
   7 // (C) 2006 Marek Sieradzki
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27
  28 #if NET_2_0
  29
  30 using System;
  31 using System.Collections;
  32 using System.Collections.Specialized;
  33 using System.IO;
  34
  35 namespace Mono.XBuild.Utilities {
  36
  37         internal static class ReservedNameUtils {
  38
  39                 static string[] reservedMetadataNames;
  40                 static Hashtable reservedMetadataHash;
  41
  42                 static ReservedNameUtils ()
  43                 {
  44                         reservedMetadataNames = new string [] {
  45                                 "FullPath", "RootDir", "Filename", "Extension", "RelativeDir", "Directory",
  46                                 "RecursiveDir", "Identity", "ModifiedTime", "CreatedTime", "AccessedTime"};
  47                         reservedMetadataHash = CollectionsUtil.CreateCaseInsensitiveHashtable (ReservedMetadataNameCount);
  48                         foreach (string s in reservedMetadataNames) {
  49                                 reservedMetadataHash.Add (s, null);
  50                         }
  51                 }
  52
  53                 public static ICollection ReservedMetadataNames {
  54                         get {
  55                                 return (ICollection) reservedMetadataNames.Clone ();
  56                         }
  57                 }
  58
  59                 public static int ReservedMetadataNameCount {
  60                         get {
  61                                 return reservedMetadataNames.Length;
  62                         }
  63                 }
  64
  65                 public static bool IsReservedMetadataName (string metadataName)
  66                 {
  67                         return reservedMetadataHash.Contains (metadataName);
  68                 }
  69
  70                 public static string GetReservedMetadata (string itemSpec,
  71                                                    string metadataName, IDictionary metadata)
  72                 {
  73                         if (metadataName == null)
  74                                 throw new ArgumentNullException ();
  75
  76                         switch (metadataName.ToLower ()) {
  77                         case "fullpath":
  78                                 return Path.GetFullPath (itemSpec);
  79                         case "rootdir":
  80                                 if (Path.IsPathRooted (itemSpec))
  81                                         return Path.GetPathRoot (itemSpec);
  82                                 else
  83                                         return Path.GetPathRoot (Environment.CurrentDirectory);
  84                         case "filename":
  85                                 return Path.GetFileNameWithoutExtension (itemSpec);
  86                         case "extension":
  87                                 return Path.GetExtension (itemSpec);
  88                         case "relativedir":
  89                                 return WithTrailingSlash (Path.GetDirectoryName (itemSpec));
  90                         case "directory":
  91                                 string fullpath = Path.GetFullPath (itemSpec);
  92                                 return WithTrailingSlash (
  93                                          Path.GetDirectoryName (fullpath).Substring (Path.GetPathRoot (fullpath).Length));
  94                         case "recursivedir":
  95                                 if (metadata != null && metadata.Contains ("RecursiveDir"))
  96                                         return (string)metadata ["RecursiveDir"];
  97                                 else
  98                                         return String.Empty;
  99                         case "identity":
 100                                 return Path.Combine (Path.GetDirectoryName (itemSpec), Path.GetFileName (itemSpec));
 101                         case "modifiedtime":
 102                                 if (File.Exists (itemSpec))
 103                                         return File.GetLastWriteTime (itemSpec).ToString ();
 104                                 else if (Directory.Exists (itemSpec))
 105                                         return Directory.GetLastWriteTime (itemSpec).ToString ();
 106                                 else
 107                                         return String.Empty;
 108                         case "createdtime":
 109                                 if (File.Exists (itemSpec))
 110                                         return File.GetCreationTime (itemSpec).ToString ();
 111                                 else if (Directory.Exists (itemSpec))
 112                                         return Directory.GetCreationTime (itemSpec).ToString ();
 113                                 else
 114                                         return String.Empty;
 115                         case "accessedtime":
 116                                 if (File.Exists (itemSpec))
 117                                         return File.GetLastAccessTime (itemSpec).ToString ();
 118                                 else if (Directory.Exists (itemSpec))
 119                                         return Directory.GetLastAccessTime (itemSpec).ToString ();
 120                                 else
 121                                         return String.Empty;
 122                         default:
 123                                 throw new ArgumentException ("Invalid reserved metadata name");
 124                         }
 125                 }
 126
 127                 static string WithTrailingSlash (string path)
 128                 {
 129                         if (path.Length > 0)
 130                                 return path + Path.DirectorySeparatorChar;
 131                         else
 132                                 return path;
 133                 }
 134         }
 135 }
 136
 137 #endif