LCOV - app.info - netwerk/base/src/nsInputStreamChannel.cpp

LCOV - code coverage report
| Current view: | directory - netwerk/base/src - nsInputStreamChannel.cpp (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 25 | 20 | 80.0 %
| Date: | 2012-07-07 | Functions: | 7 | 6 | 85.7 %

           1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
           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 mozilla.org code.
          16                 :  *
          17                 :  * The Initial Developer of the Original Code is Google Inc.
          18                 :  * Portions created by the Initial Developer are Copyright (C) 2005
          19                 :  * the Initial Developer. All Rights Reserved.
          20                 :  *
          21                 :  * Contributor(s):
          22                 :  *  Darin Fisher <darin@meer.net>
          23                 :  *
          24                 :  * Alternatively, the contents of this file may be used under the terms of
          25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
          26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          28                 :  * of those above. If you wish to allow use of your version of this file only
          29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          30                 :  * use your version of this file under the terms of the MPL, indicate your
          31                 :  * decision by deleting the provisions above and replace them with the notice
          32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          33                 :  * the provisions above, a recipient may use your version of this file under
          34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          35                 :  *
          36                 :  * ***** END LICENSE BLOCK ***** */
          37                 :
          38                 : #include "nsInputStreamChannel.h"
          39                 :
          40                 : //-----------------------------------------------------------------------------
          41                 : // nsInputStreamChannel
          42                 :
          43                 : nsresult
          44               4 : nsInputStreamChannel::OpenContentStream(bool async, nsIInputStream **result,
          45                 :                                         nsIChannel** channel)
          46                 : {
          47               4 :   NS_ENSURE_TRUE(mContentStream, NS_ERROR_NOT_INITIALIZED);
          48                 :
          49                 :   // If content length is unknown, then we must guess.  In this case, we assume
          50                 :   // the stream can tell us.  If the stream is a pipe, then this will not work.
          51                 :
          52               4 :   PRInt64 len = ContentLength64();
          53               4 :   if (len < 0) {
          54                 :     PRUint32 avail;
          55               4 :     nsresult rv = mContentStream->Available(&avail);
          56               4 :     if (rv == NS_BASE_STREAM_CLOSED) {
          57                 :       // This just means there's nothing in the stream
          58               0 :       avail = 0;
          59               4 :     } else if (NS_FAILED(rv)) {
          60               0 :       return rv;
          61                 :     }
          62               4 :     SetContentLength64(avail);
          63                 :   }
          64                 :
          65               4 :   EnableSynthesizedProgressEvents(true);
          66                 :
          67               4 :   NS_ADDREF(*result = mContentStream);
          68               4 :   return NS_OK;
          69                 : }
          70                 :
          71                 : //-----------------------------------------------------------------------------
          72                 : // nsInputStreamChannel::nsISupports
          73                 :
          74          123119 : NS_IMPL_ISUPPORTS_INHERITED1(nsInputStreamChannel,
          75                 :                              nsBaseChannel,
          76                 :                              nsIInputStreamChannel)
          77                 :
          78                 : //-----------------------------------------------------------------------------
          79                 : // nsInputStreamChannel::nsIInputStreamChannel
          80                 :
          81                 : NS_IMETHODIMP
          82            3146 : nsInputStreamChannel::SetURI(nsIURI *uri)
          83                 : {
          84            3146 :   NS_ENSURE_TRUE(!URI(), NS_ERROR_ALREADY_INITIALIZED);
          85            3146 :   nsBaseChannel::SetURI(uri);
          86            3146 :   return NS_OK;
          87                 : }
          88                 :
          89                 : NS_IMETHODIMP
          90               0 : nsInputStreamChannel::GetContentStream(nsIInputStream **stream)
          91                 : {
          92               0 :   NS_IF_ADDREF(*stream = mContentStream);
          93               0 :   return NS_OK;
          94                 : }
          95                 :
          96                 : NS_IMETHODIMP
          97            3146 : nsInputStreamChannel::SetContentStream(nsIInputStream *stream)
          98                 : {
          99            3146 :   NS_ENSURE_TRUE(!mContentStream, NS_ERROR_ALREADY_INITIALIZED);
         100            3146 :   mContentStream = stream;
         101            3146 :   return NS_OK;
         102                 : }

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