IdentityContentLengthBodyWriter.cpp

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00001 /*
00002 
00003 Copyright (C) 2006-2007 by Peter Dimov.
00004 
00005 This file is part of Calitko (http://www.calitko.org).
00006 
00007 Calitko is free software; you can redistribute it and/or modify
00008 it under the terms of the GNU General Public License as published by
00009 the Free Software Foundation; either version 2 of the License, or
00010 (at your option) any later version.
00011 
00012 Calitko is distributed in the hope that it will be useful,
00013 but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 GNU General Public License for more details.
00016 
00017 You should have received a copy of the GNU General Public License
00018 along with Calitko; if not, write to the Free Software
00019 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00020 
00021 */
00022 
00023 #include "Qt.h"
00024 #include "IdentityContentLengthBodyWriter.h"
00025 #include "BodyEnd.h"
00026 #include "Imports.cpp"
00027 
00029 IdentityContentLengthBodyWriter::IdentityContentLengthBodyWriter (
00030                                                             int contentLength)
00031  :  bytesLeft (contentLength)
00032 {
00033 }
00034 
00036 IdentityContentLengthBodyWriter::~IdentityContentLengthBodyWriter()
00037 {
00038 }
00039 
00041 
00054 bool IdentityContentLengthBodyWriter::write (const Data &data,
00055                                              Transport *transport)
00056 {
00057     if (bytesLeft > 0) {
00058         Q_ASSERT (typeid (*data) == typeid (RawData));
00059         QByteArray bytes = data->toRawBytes();
00060         Q_ASSERT (bytes.size() <= bytesLeft);
00061         if (!transport->write (bytes))
00062             return false;
00063         bytesLeft -= bytes.size();
00064     } else if (bytesLeft == 0) {
00065         Q_ASSERT (data == BodyEnd());
00066         --bytesLeft;
00067     } else {
00068         Q_ASSERT (false);
00069     }
00070     return true;
00071 }