tools/munxap/Zip.cs

   1 /*
   2  * Zip.cs.
   3  *
   4  * Contact:
   5  *   Moonlight List (moonlight-list@lists.ximian.com)
   6  *
   7  * Copyright 2009 Novell, Inc. (http://www.novell.com)
   8  *
   9  * See the LICENSE file included with the distribution for details.
  10  *
  11  */
  12
  13 using System;
  14 using System.Collections;
  15 using System.Collections.Generic;
  16 using System.Diagnostics;
  17 using System.IO;
  18
  19 class ZipContent {
  20         string unzipped_filename;
  21
  22         public Zip Zip { get; set; }
  23         public string Type { get { return Path.GetExtension (Filename); } }
  24         public string Filename { get; set; }
  25         public string UnzippedFilename {
  26                 get {
  27                         if (unzipped_filename == null) {
  28                                 Zip.Unzip ();
  29                                 unzipped_filename = Path.Combine (Zip.UnzipDirectory, Filename);
  30                         }
  31                         return unzipped_filename;
  32                 }
  33         }
  34 }
  35
  36 class Zip : IDisposable
  37 {
  38         List<ZipContent> files;
  39         string unzip_directory;
  40         bool unzipped;
  41
  42         public string FileName { get; set; }
  43         public string UnzipDirectory {
  44                 get {
  45                         if (unzip_directory == null) {
  46                                 unzip_directory = Path.Combine (Path.GetTempPath (), "munxap");
  47                                 unzip_directory = Path.Combine (unzip_directory, Path.GetFileName (FileName));
  48                                 unzip_directory = Path.Combine (unzip_directory, "pid-" + System.Diagnostics.Process.GetCurrentProcess ().Id.ToString ());
  49                                 Directory.CreateDirectory (unzip_directory);
  50                         }
  51                         return unzip_directory;
  52                 }
  53         }
  54         public Zip (string filename)
  55         {
  56                 FileName = filename;
  57         }
  58
  59         ~Zip ()
  60         {
  61                 Dispose ();
  62         }
  63
  64         public void Dispose ()
  65         {
  66                 if (unzip_directory != null) {
  67                         try {
  68                                 Directory.Delete (unzip_directory);
  69                         } catch {
  70                                 // Ignore any exceptions
  71                         }
  72                 }
  73         }
  74
  75         public void Unzip ()
  76         {
  77                 if (unzipped)
  78                         return;
  79
  80                 using (System.Diagnostics.Process p = new System.Diagnostics.Process ()) {
  81                         p.StartInfo.FileName = "unzip";
  82                         p.StartInfo.Arguments = string.Format ("\"{0}\" -d \"{1}\" ", FileName, UnzipDirectory);
  83                         p.StartInfo.RedirectStandardOutput = true;
  84                         p.StartInfo.UseShellExecute = false;
  85                         p.Start ();
  86                         string output = p.StandardOutput.ReadToEnd ();
  87                         p.WaitForExit ();
  88                         if (p.ExitCode != 0)
  89                                 throw new Exception (output);
  90                 }
  91
  92                 unzipped = true;
  93         }
  94
  95         public List<ZipContent> Files {
  96                 get {
  97                         if (files == null) {
  98                                 files = new List<ZipContent> ();
  99
 100                                 using (System.Diagnostics.Process p = new System.Diagnostics.Process ()) {
 101                                         p.StartInfo.FileName = "unzip";
 102                                         p.StartInfo.Arguments = "-lqq \"" + FileName + "\"";
 103                                         p.StartInfo.RedirectStandardOutput = true;
 104                                         p.StartInfo.UseShellExecute = false;
 105                                         p.Start ();
 106                                         string output = p.StandardOutput.ReadToEnd ();
 107                                         foreach (string line in output.Split (new char [] {'\n', '\r'}, StringSplitOptions.RemoveEmptyEntries)) {
 108                                                 string [] args = line.Split (new char [] { ' '}, StringSplitOptions.RemoveEmptyEntries);
 109                                                 if (args.Length < 4)
 110                                                         continue;
 111
 112                                                 ZipContent content = new ZipContent ();
 113                                                 content.Zip = this;
 114                                                 content.Filename = args [3];
 115                                                 files.Add (content);
 116                                         }
 117                                 }
 118                         }
 119                         return files;
 120                 }
 121         }
 122
 123 }