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

LCOV - code coverage report
| Current view: | directory - toolkit/components/url-classifier - nsCheckSummedOutputStream.cpp (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 19 | 19 | 100.0 %
| Date: | 2012-04-21 | Functions: | 6 | 6 | 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                 : #include "nsILocalFile.h"
          40                 : #include "nsCRT.h"
          41                 : #include "nsIFile.h"
          42                 : #include "nsISupportsImpl.h"
          43                 : #include "nsCheckSummedOutputStream.h"
          44                 :
          45                 : ////////////////////////////////////////////////////////////////////////////////
          46                 : // nsCheckSummedOutputStream
          47                 :
          48            1261 : NS_IMPL_ISUPPORTS_INHERITED3(nsCheckSummedOutputStream,
          49                 :                              nsSafeFileOutputStream,
          50                 :                              nsISafeOutputStream,
          51                 :                              nsIOutputStream,
          52                 :                              nsIFileOutputStream)
          53                 :
          54                 : NS_IMETHODIMP
          55              97 : nsCheckSummedOutputStream::Init(nsIFile* file, PRInt32 ioFlags, PRInt32 perm,
          56                 :                                 PRInt32 behaviorFlags)
          57                 : {
          58                 :   nsresult rv;
          59              97 :   mHash = do_CreateInstance(NS_CRYPTO_HASH_CONTRACTID, &rv);
          60              97 :   NS_ENSURE_SUCCESS(rv, rv);
          61                 :
          62              97 :   rv = mHash->Init(nsICryptoHash::MD5);
          63              97 :   NS_ENSURE_SUCCESS(rv, rv);
          64                 :
          65              97 :   return nsSafeFileOutputStream::Init(file, ioFlags, perm, behaviorFlags);
          66                 : }
          67                 :
          68                 : NS_IMETHODIMP
          69              97 : nsCheckSummedOutputStream::Finish()
          70                 : {
          71              97 :   nsresult rv = mHash->Finish(false, mCheckSum);
          72              97 :   NS_ENSURE_SUCCESS(rv, rv);
          73                 :
          74                 :   PRUint32 written;
          75              97 :   rv = nsSafeFileOutputStream::Write(reinterpret_cast<const char*>(mCheckSum.BeginReading()),
          76             194 :                                      mCheckSum.Length(), &written);
          77              97 :   NS_ASSERTION(written == mCheckSum.Length(), "Error writing stream checksum");
          78              97 :   NS_ENSURE_SUCCESS(rv, rv);
          79                 :
          80              97 :   return nsSafeFileOutputStream::Finish();
          81                 : }
          82                 :
          83                 : NS_IMETHODIMP
          84            3201 : nsCheckSummedOutputStream::Write(const char *buf, PRUint32 count, PRUint32 *result)
          85                 : {
          86            3201 :   nsresult rv = mHash->Update(reinterpret_cast<const uint8*>(buf), count);
          87            3201 :   NS_ENSURE_SUCCESS(rv, rv);
          88                 :
          89            3201 :   return nsSafeFileOutputStream::Write(buf, count, result);
          90                 : }
          91                 :
          92                 : ////////////////////////////////////////////////////////////////////////////////

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