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: 2012-06-02 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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