modules/libjar/zipwriter/src/nsZipDataStream.h

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
  12  * License.
  13  *
  14  * The Original Code is Zip Writer Component.
  15  *
  16  * The Initial Developer of the Original Code is
  17  * Dave Townsend <dtownsend@oxymoronical.com>.
  18  *
  19  * Portions created by the Initial Developer are Copyright (C) 2007
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *      Mook <mook.moz+random.code@gmail.com>
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
  31  * use your version of this file under the terms of the MPL, indicate your
  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK *****
  38  */
  39
  40 #ifndef _nsZipDataStream_h_
  41 #define _nsZipDataStream_h_
  42
  43 #include "nsZipWriter.h"
  44 #include "nsIOutputStream.h"
  45 #include "nsIStreamListener.h"
  46 #include "nsAutoPtr.h"
  47
  48 class nsZipDataStream : public nsIStreamListener
  49 {
  50 public:
  51     NS_DECL_ISUPPORTS
  52     NS_DECL_NSIREQUESTOBSERVER
  53     NS_DECL_NSISTREAMLISTENER
  54
  55     nsZipDataStream()
  56     {
  57     }
  58
  59     nsresult Init(nsZipWriter *aWriter, nsIOutputStream *aStream,
  60                   nsZipHeader *aHeader, PRInt32 aCompression);
  61
  62     nsresult ReadStream(nsIInputStream *aStream);
  63
  64 private:
  65
  66     nsCOMPtr<nsIStreamListener> mOutput;
  67     nsCOMPtr<nsIOutputStream> mStream;
  68     nsRefPtr<nsZipWriter> mWriter;
  69     nsRefPtr<nsZipHeader> mHeader;
  70
  71     nsresult CompleteEntry();
  72     nsresult ProcessData(nsIRequest *aRequest, nsISupports *aContext,
  73                          char *aBuffer, PRUint32 aOffset, PRUint32 aCount);
  74 };
  75
  76 #endif