mcs/class/System.Web/System.Web.Util/FilePathParser.cs

   1 /**\r
   2  * Namespace: System.Web.Util\r
   3  * Class:     FilePathParser\r
   4  *\r
   5  * Author:  Gaurav Vaish\r
   6  * Maintainer: gvaish@iitk.ac.in\r
   7  * Contact: <my_scripts2001@yahoo.com>, <gvaish@iitk.ac.in>\r
   8  * Implementation: yes\r
   9  * Status:  ??%\r
  10  *\r
  11  * (C) Gaurav Vaish (2001)\r
  12  */\r
  13 using System.IO;\r
  14 \r
  15 namespace System.Web.Util\r
  16 {\r
  17         internal class FilePathParser\r
  18         {\r
  19                 private static char[] pathSeparators = {\r
  20                         Path.DirectorySeparatorChar,\r
  21                         Path.AltDirectorySeparatorChar\r
  22                 };\r
  23                 \r
  24                 private string dirName;\r
  25                 private string fileName;\r
  26                 private string shortDirName;\r
  27                 private string shortFileName;\r
  28                 \r
  29                 private bool   exists;\r
  30                 \r
  31                 [MonoTODO]\r
  32                 public FilePathParser(string path, bool isFile, bool getShortNames)\r
  33                 {\r
  34                         path = path.Trim();\r
  35                         if(Path.GetPathRoot(path).Length < path.Length)\r
  36                         {\r
  37                                 path = path.TrimEnd(pathSeparators);\r
  38                         }\r
  39                         if(!isFile)\r
  40                         {\r
  41                                 dirName = GetBaseDirOrRoot(path);\r
  42                         } else\r
  43                         {\r
  44                                 dirName = path;\r
  45                         }\r
  46                         if(getShortNames)\r
  47                         {\r
  48                                 if(!Directory.Exists(dirName))\r
  49                                 {\r
  50                                         dirName = null;\r
  51                                         return;\r
  52                                 }\r
  53                                 shortDirName = GetShortPathName(dirName);\r
  54                                 if(shortDirName==null)\r
  55                                 {\r
  56                                         dirName = null;\r
  57                                         return;\r
  58                                 }\r
  59                                 if(shortDirName == dirName)\r
  60                                 {\r
  61                                         shortDirName = null;\r
  62                                 } else\r
  63                                 {\r
  64                                         throw new NotImplementedException();\r
  65                                 }\r
  66                         }\r
  67                 }\r
  68                 \r
  69                 public static string GetBaseDirOrRoot(string file)\r
  70                 {\r
  71                         string bDir = Path.GetDirectoryName(file);\r
  72                         return ( bDir!=null ? bDir : Path.GetPathRoot(file));\r
  73                 }\r
  74                 \r
  75                 [MonoTODO("Native_Call_Required")]\r
  76                 public static string GetShortPathName(string path)\r
  77                 {\r
  78                         //TODO: Native calls required, it's in kernel32.dll for windows\r
  79                         throw new NotImplementedException();\r
  80                 }\r
  81         }\r
  82 }\r