mcs/class/System/System.CodeDom.Compiler/TempFileCollection.cs

   1 //
   2 // System.CodeDom.Compiler TempFileCollection Class implementation
   3 //
   4 // Author:
   5 //      Dick Porter (dick@ximian.com)
   6 //
   7 // (C) Copyright 2003 Ximian, Inc.
   8 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System.IO;
  31 using System.Collections;
  32
  33 namespace System.CodeDom.Compiler
  34 {
  35         public class TempFileCollection:ICollection, IEnumerable, IDisposable
  36         {
  37                 Hashtable filehash;
  38                 string tempdir;
  39                 bool keepfiles;
  40                 string basepath;
  41                 Random rnd;
  42
  43                 public TempFileCollection(): this(null, false)
  44                 {
  45                 }
  46
  47                 public TempFileCollection(string tempDir): this(tempDir, false)
  48                 {
  49                 }
  50
  51                 public TempFileCollection(string tempDir, bool keepFiles)
  52                 {
  53                         filehash=new Hashtable();
  54                         tempdir=tempDir;
  55                         keepfiles=keepFiles;
  56                 }
  57
  58                 public string BasePath
  59                 {
  60                         get {
  61                                 if(basepath==null) {
  62                                         if (tempdir==null) {
  63                                                 /* Get the system temp dir */
  64                                                 MonoIO.GetTempPath(out tempdir);
  65                                         }
  66
  67                                         if (rnd == null)
  68                                                 rnd = new Random ();
  69
  70                                         string random = rnd.Next (10000,99999).ToString ();
  71                                         basepath = Path.Combine (tempdir, random);
  72                                 }
  73
  74                                 return(basepath);
  75                         }
  76                 }
  77
  78                 public int Count
  79                 {
  80                         get {
  81                                 return(filehash.Count);
  82                         }
  83                 }
  84
  85                 public bool KeepFiles
  86                 {
  87                         get {
  88                                 return(keepfiles);
  89                         }
  90                         set {
  91                                 keepfiles=value;
  92                         }
  93                 }
  94
  95                 public string TempDir
  96                 {
  97                         get {
  98                                 if(tempdir==null) {
  99                                         return(String.Empty);
 100                                 } else {
 101                                         return(tempdir);
 102                                 }
 103                         }
 104                 }
 105
 106                 public string AddExtension(string fileExtension)
 107                 {
 108                         return(AddExtension(fileExtension, keepfiles));
 109                 }
 110
 111                 public string AddExtension(string fileExtension, bool keepFile)
 112                 {
 113                         string filename=BasePath+"."+fileExtension;
 114                         AddFile(filename, keepFile);
 115                         return(filename);
 116                 }
 117
 118                 public void AddFile(string fileName, bool keepFile)
 119                 {
 120                         filehash.Add(fileName, keepFile);
 121                 }
 122
 123                 public void CopyTo(string[] fileNames, int start)
 124                 {
 125                         filehash.Keys.CopyTo(fileNames, start);
 126                 }
 127
 128                 void ICollection.CopyTo(Array array, int start)
 129                 {
 130                         filehash.Keys.CopyTo(array, start);
 131                 }
 132
 133                 object ICollection.SyncRoot {
 134                         get {
 135                                 return filehash.SyncRoot;
 136                         }
 137                 }
 138
 139                 bool ICollection.IsSynchronized {
 140                         get {
 141                                 return(false);
 142                         }
 143                 }
 144
 145                 void IDisposable.Dispose()
 146                 {
 147                         Dispose(true);
 148                 }
 149
 150                 public void Delete()
 151                 {
 152                         string[] filenames=new string[filehash.Count];
 153                         filehash.Keys.CopyTo(filenames, 0);
 154
 155                         foreach(string file in filenames) {
 156                                 if((bool)filehash[file]==false) {
 157                                         File.Delete(file);
 158                                         filehash.Remove(file);
 159                                 }
 160                         }
 161                 }
 162
 163                 public IEnumerator GetEnumerator()
 164                 {
 165                         return(filehash.Keys.GetEnumerator());
 166                 }
 167
 168                 protected virtual void Dispose(bool disposing)
 169                 {
 170                         Delete();
 171                         if (disposing) {
 172                                 GC.SuppressFinalize (true);
 173                         }
 174                 }
 175
 176                 ~TempFileCollection()
 177                 {
 178                         Dispose(false);
 179                 }
 180
 181         }
 182 }