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Syndication Library

global.cpp

00001 /*
00002  * This file is part of the syndication library
00003  *
00004  * Copyright (C) 2006 Frank Osterfeld <osterfeld@kde.org>
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Library General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2 of the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Library General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Library General Public License
00017  * along with this library; see the file COPYING.LIB.  If not, write to
00018  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00019  * Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #include "global.h"
00024 #include "documentsource.h"
00025 #include "parsercollectionimpl.h"
00026 
00027 #include "mapper/mapperatomimpl.h"
00028 #include "mapper/mapperrdfimpl.h"
00029 #include "mapper/mapperrss2impl.h"
00030 #include "atom/parser.h"
00031 #include "rdf/parser.h"
00032 #include "rss2/parser.h"
00033 
00034 #include <QtCore/QCoreApplication>
00035 
00036 namespace {
00037     static bool collectionIsInitialized = false;
00038 }
00039 
00040 namespace Syndication {
00041 
00042 static ParserCollectionImpl<Syndication::Feed> *parserColl = 0;
00043 
00044 namespace {
00045 
00046 // only executed when then was a QCoreApplication
00047 static void cleanupParserCollection()
00048 {
00049     delete parserColl;
00050     parserColl = 0;
00051 }
00052 
00053 } // namespace
00054 
00055 ParserCollection<Feed>* parserCollection()
00056 {
00057     if (!collectionIsInitialized)
00058     {
00059         parserColl = new ParserCollectionImpl<Syndication::Feed>;
00060         qAddPostRoutine(cleanupParserCollection);
00061         parserColl->registerParser(new RSS2::Parser, new RSS2Mapper);
00062         parserColl->registerParser(new Atom::Parser, new AtomMapper);
00063         parserColl->registerParser(new RDF::Parser, new RDFMapper);
00064         collectionIsInitialized = true;
00065     }
00066     return parserColl;
00067 }
00068 
00069 FeedPtr parse(const DocumentSource& src, const QString& formatHint)
00070 {
00071     return parserCollection()->parse(src, formatHint);
00072 }
00073 
00074 } // namespace Syndication
00075 

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