LCOV - app.info - toolkit/components/url-classifier/nsCheckSummedOutputStream.h

LCOV - code coverage report
| Current view: | directory - toolkit/components/url-classifier - nsCheckSummedOutputStream.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 8 | 8 | 100.0 %
| Date: | 2012-04-21 | Functions: | 4 | 4 | 100.0 %

           1                 : //* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
           2                 : /* ***** BEGIN LICENSE BLOCK *****
           3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           4                 :  *
           5                 :  * The contents of this file are subject to the Mozilla Public License Version
           6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           7                 :  * the License. You may obtain a copy of the License at
           8                 :  * http://www.mozilla.org/MPL/
           9                 :  *
          10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          12                 :  * for the specific language governing rights and limitations under the
          13                 :  * License.
          14                 :  *
          15                 :  * The Original Code is Url Classifier code.
          16                 :  *
          17                 :  * The Initial Developer of the Original Code is
          18                 :  * the Mozilla Foundation.
          19                 :  * Portions created by the Initial Developer are Copyright (C) 2011
          20                 :  * the Initial Developer. All Rights Reserved.
          21                 :  *
          22                 :  * Contributor(s):
          23                 :  *   Gian-Carlo Pascutto <gpascutto@mozilla.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                 : #ifndef nsCheckSummedOutputStream_h__
          40                 : #define nsCheckSummedOutputStream_h__
          41                 :
          42                 : #include "nsILocalFile.h"
          43                 : #include "nsIFile.h"
          44                 : #include "nsIOutputStream.h"
          45                 : #include "nsICryptoHash.h"
          46                 : #include "nsNetCID.h"
          47                 : #include "nsString.h"
          48                 : #include "../../../netwerk/base/src/nsFileStreams.h"
          49                 : #include "nsToolkitCompsCID.h"
          50                 :
          51                 : class nsCheckSummedOutputStream : public nsSafeFileOutputStream
          52                 : {
          53                 : public:
          54                 :   NS_DECL_ISUPPORTS_INHERITED
          55                 :
          56                 :   // Size of MD5 hash in bytes
          57                 :   static const PRUint32 CHECKSUM_SIZE = 16;
          58                 :
          59              97 :   nsCheckSummedOutputStream() {}
          60             388 :   virtual ~nsCheckSummedOutputStream() { nsSafeFileOutputStream::Close(); }
          61                 :
          62                 :   NS_IMETHOD Finish();
          63                 :   NS_IMETHOD Write(const char *buf, PRUint32 count, PRUint32 *result);
          64                 :   NS_IMETHOD Init(nsIFile* file, PRInt32 ioFlags, PRInt32 perm, PRInt32 behaviorFlags);
          65                 :
          66                 : protected:
          67                 :   nsCOMPtr<nsICryptoHash> mHash;
          68                 :   nsCAutoString mCheckSum;
          69                 : };
          70                 :
          71                 : // returns a file output stream which can be QI'ed to nsIFileOutputStream.
          72                 : inline nsresult
          73              97 : NS_NewCheckSummedOutputStream(nsIOutputStream **result,
          74                 :                               nsIFile         *file,
          75                 :                               PRInt32         ioFlags       = -1,
          76                 :                               PRInt32         perm          = -1,
          77                 :                               PRInt32         behaviorFlags =  0)
          78                 : {
          79             194 :     nsCOMPtr<nsIFileOutputStream> out = new nsCheckSummedOutputStream();
          80              97 :     nsresult rv = out->Init(file, ioFlags, perm, behaviorFlags);
          81              97 :     if (NS_SUCCEEDED(rv))
          82              97 :       NS_ADDREF(*result = out);  // cannot use nsCOMPtr::swap
          83              97 :     return rv;
          84                 : }
          85                 :
          86                 : #endif

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