LCOV - code coverage report
Current view: directory - netwerk/base/src - nsUnicharStreamLoader.h (source / functions) Found Hit Coverage
Test: app.info Lines: 2 2 100.0 %
Date: 2012-06-02 Functions: 3 3 100.0 %

       1                 : /* -*- Mode: C++; tab-width: 4; 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 mozilla.org code.
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 2002
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *    Boris Zbarsky <bzbarsky@mit.edu>  (original author)
      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 nsUnicharStreamLoader_h__
      40                 : #define nsUnicharStreamLoader_h__
      41                 : 
      42                 : #include "nsIChannel.h"
      43                 : #include "nsIUnicharStreamLoader.h"
      44                 : #include "nsIUnicodeDecoder.h"
      45                 : #include "nsCOMPtr.h"
      46                 : #include "nsString.h"
      47                 : 
      48                 : class nsIInputStream;
      49                 : 
      50                 : class nsUnicharStreamLoader : public nsIUnicharStreamLoader
      51                 : {
      52                 : public:
      53                 :   NS_DECL_ISUPPORTS
      54                 :   NS_DECL_NSIUNICHARSTREAMLOADER
      55                 :   NS_DECL_NSIREQUESTOBSERVER
      56                 :   NS_DECL_NSISTREAMLISTENER
      57                 : 
      58               2 :   nsUnicharStreamLoader() {}
      59               8 :   virtual ~nsUnicharStreamLoader() {}
      60                 : 
      61                 :   static nsresult Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
      62                 : 
      63                 : protected:
      64                 :   nsresult DetermineCharset();
      65                 : 
      66                 :   /**
      67                 :    * callback method used for ReadSegments
      68                 :    */
      69                 :   static NS_METHOD WriteSegmentFun(nsIInputStream *, void *, const char *,
      70                 :                                    PRUint32, PRUint32, PRUint32 *);
      71                 : 
      72                 :   nsCOMPtr<nsIUnicharStreamLoaderObserver> mObserver;
      73                 :   nsCOMPtr<nsIUnicodeDecoder>              mDecoder;
      74                 :   nsCOMPtr<nsISupports>                    mContext;
      75                 :   nsCOMPtr<nsIChannel>                     mChannel;
      76                 :   nsCString                                mCharset;
      77                 : 
      78                 :   // This holds the first up-to-512 bytes of the raw stream.
      79                 :   // It will be passed to the OnDetermineCharset callback.
      80                 :   nsCString                                mRawData;
      81                 : 
      82                 :   // This holds the complete contents of the stream so far, after
      83                 :   // decoding to UTF-16.  It will be passed to the OnStreamComplete
      84                 :   // callback.
      85                 :   nsString                                 mBuffer;
      86                 : };
      87                 : 
      88                 : #endif // nsUnicharStreamLoader_h__

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