)>}]
شركة التطبيقات المتكاملة لتصميم وبرمجة البرمجيات الخاصة ش.ش.و.
Integrated Applications Programming Company
Home » Code Library » Zip (Ia.Cl.Model)

Public general use code classes and xml files that we've compiled and used over the years:

Zip

    1: using System.IO.Compression;
    2: using System.IO;
    3: using System.Text;
    4:  
    5: namespace Ia.Cl.Model
    6: {
    7:     ////////////////////////////////////////////////////////////////////////////
    8:     ////////////////////////////////////////////////////////////////////////////
    9:  
   10:     /// <summary publish="true">
   11:     /// Zip
   12:     /// </summary>
   13:     /// <remarks> 
   14:     /// Copyright © 2021-2022 Jasem Y. Al-Shamlan (info@ia.com.kw), Integrated Applications - Kuwait. All Rights Reserved.
   15:     ///
   16:     /// This library is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
   17:     /// the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
   18:     ///
   19:     /// This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
   20:     /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
   21:     /// 
   22:     /// You should have received a copy of the GNU General Public License along with this library. If not, see http://www.gnu.org/licenses.
   23:     /// 
   24:     /// Copyright notice: This notice may not be removed or altered from any source distribution.
   25:     /// </remarks> 
   26:     public class Zip
   27:     {
   28:         ////////////////////////////////////////////////////////////////////////////
   29:  
   30:         /// <summary>
   31:         /// 
   32:         /// </summary>
   33:         public Zip() { }
   34:  
   35:         ////////////////////////////////////////////////////////////////////////////
   36:  
   37:         /// <summary>
   38:         /// 
   39:         /// </summary>
   40:         public static byte[] ZipString(string s)
   41:         {
   42:             var bytes = Encoding.UTF8.GetBytes(s);
   43:  
   44:             using (var msi = new MemoryStream(bytes))
   45:             {
   46:                 using (var mso = new MemoryStream())
   47:                 {
   48:                     using (var gs = new GZipStream(mso, CompressionMode.Compress))
   49:                     {
   50:                         //msi.CopyTo(gs);
   51:                         CopyTo(msi, gs);
   52:                     }
   53:  
   54:                     return mso.ToArray();
   55:                 }
   56:             }
   57:         }
   58:  
   59:         ////////////////////////////////////////////////////////////////////////////
   60:  
   61:         /// <summary>
   62:         /// 
   63:         /// </summary>
   64:         public static string UnzipString(byte[] bytes)
   65:         {
   66:             using (var msi = new MemoryStream(bytes))
   67:             {
   68:                 using (var mso = new MemoryStream())
   69:                 {
   70:                     using (var gs = new GZipStream(msi, CompressionMode.Decompress))
   71:                     {
   72:                         //gs.CopyTo(mso);
   73:                         CopyTo(gs, mso);
   74:                     }
   75:  
   76:                     return Encoding.UTF8.GetString(mso.ToArray());
   77:                 }
   78:             }
   79:         }
   80:  
   81:         ////////////////////////////////////////////////////////////////////////////
   82:  
   83:         /// <summary>
   84:         /// 
   85:         /// </summary>
   86:         private static void CopyTo(Stream src, Stream dest)
   87:         {
   88:             byte[] bytes = new byte[4096];
   89:  
   90:             int cnt;
   91:  
   92:             while ((cnt = src.Read(bytes, 0, bytes.Length)) != 0)
   93:             {
   94:                 dest.Write(bytes, 0, cnt);
   95:             }
   96:         }
   97:  
   98:         ////////////////////////////////////////////////////////////////////////////
   99:         ////////////////////////////////////////////////////////////////////////////
  100:     }
  101:  
  102:     ////////////////////////////////////////////////////////////////////////////
  103:     ////////////////////////////////////////////////////////////////////////////
  104: }