Back to index

lightning-sunbird  0.9+nobinonly
nsHttpChunkedDecoder.h
Go to the documentation of this file.
00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications.
00019  * Portions created by the Initial Developer are Copyright (C) 2001
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Darin Fisher <darin@netscape.com> (original author)
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either the GNU General Public License Version 2 or later (the "GPL"), or
00027  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #ifndef nsHttpChunkedDecoder_h__
00040 #define nsHttpChunkedDecoder_h__
00041 
00042 #include "nsError.h"
00043 #include "nsString.h"
00044 #include "nsHttpHeaderArray.h"
00045 
00046 class nsHttpChunkedDecoder
00047 {
00048 public:
00049     nsHttpChunkedDecoder() : mTrailers(nsnull)
00050                            , mChunkRemaining(0)
00051                            , mReachedEOF(PR_FALSE)
00052                            , mWaitEOF(PR_FALSE) {}
00053    ~nsHttpChunkedDecoder() { delete mTrailers; }
00054 
00055     PRBool ReachedEOF() { return mReachedEOF; }
00056 
00057     // called by the transaction to handle chunked content.
00058     nsresult HandleChunkedContent(char *buf,
00059                                   PRUint32 count,
00060                                   PRUint32 *contentRead,
00061                                   PRUint32 *contentRemaining);
00062 
00063     nsHttpHeaderArray *Trailers() { return mTrailers; }
00064 
00065     nsHttpHeaderArray *TakeTrailers() { nsHttpHeaderArray *h = mTrailers;
00066                                         mTrailers = nsnull;
00067                                         return h; }
00068 
00069 private:
00070     nsresult ParseChunkRemaining(char *buf,
00071                                  PRUint32 count,
00072                                  PRUint32 *countRead);
00073 
00074 private:
00075     nsHttpHeaderArray *mTrailers;
00076     PRUint32           mChunkRemaining;
00077     nsCString          mLineBuf; // may hold a partial line
00078     PRPackedBool       mReachedEOF;
00079     PRPackedBool       mWaitEOF;
00080 };
00081 
00082 #endif