File indexing completed on 2024-09-15 03:43:02

 /*
     loader.cpp
     SPDX-FileCopyrightText: 2001, 2002, 2003 Frerich Raabe <raabe@kde.org>
 
     SPDX-License-Identifier: BSD-2-Clause
 */
 
 #include "loader.h"
 #include "dataretriever.h"
 #include "documentsource.h"
 #include "feed.h"
 #include "global.h"
 #include "loaderutil_p.h"
 #include "parsercollection.h"
 
 #include <QUrl>
 
 
 #include <syndication_debug.h>
 
 namespace Syndication
 {
 struct SYNDICATION_NO_EXPORT Loader::LoaderPrivate {
     LoaderPrivate()
     {
     }
 
     ~LoaderPrivate()
     {
         delete retriever;
     }
 
     DataRetriever *retriever = nullptr;
     Syndication::ErrorCode lastError = Success;
     int retrieverError = 0;
     QUrl discoveredFeedURL;
     QUrl url;
 };
 
 Loader *Loader::create()
 {
     return new Loader;
 }
 
 Loader *Loader::create(QObject *object, const char *slot)
 {
     Loader *loader = create();
     connect(loader, SIGNAL(loadingComplete(Syndication::Loader *, Syndication::FeedPtr, Syndication::ErrorCode)), object, slot);
     return loader;
 }
 
 Loader::Loader()
     : d(new LoaderPrivate)
 {
 }
 
 Loader::~Loader() = default;
 
 void Loader::loadFrom(const QUrl &url, DataRetriever *retriever)
 {
     if (d->retriever != nullptr) {
         return;
     }
 
     d->url = url;
     d->retriever = retriever;
 
     connect(d->retriever, &DataRetriever::dataRetrieved, this, &Loader::slotRetrieverDone);
 
     d->retriever->retrieveData(url);
 }
 
 int Loader::retrieverError() const
 {
     return d->retrieverError;
 }
 
 Syndication::ErrorCode Loader::errorCode() const
 {
     return d->lastError;
 }
 
 void Loader::abort()
 {
     if (d && d->retriever) {
         d->retriever->abort();
         delete d->retriever;
         d->retriever = nullptr;
     }
 
     Q_EMIT loadingComplete(this, FeedPtr(), Aborted);
     delete this;
 }
 
 QUrl Loader::discoveredFeedURL() const
 {
     return d->discoveredFeedURL;
 }
 
 void Loader::slotRetrieverDone(const QByteArray &data, bool success)
 {
     d->retrieverError = d->retriever->errorCode();
     ErrorCode status = Success;
     FeedPtr feed;
     delete d->retriever;
     d->retriever = nullptr;
 
     if (success) {
         DocumentSource src(data, d->url.url());
         feed = parserCollection()->parse(src);
 
         if (parserCollection()->lastError() != Syndication::Success) {
             status = parserCollection()->lastError();
             discoverFeeds(data);
         }
     } else {
         qCDebug(SYNDICATION_LOG) << "Retriever error:" << d->retrieverError;
         // retriever is a custom impl, so we set OtherRetrieverError
         status = OtherRetrieverError;
     }
 
     Q_EMIT loadingComplete(this, feed, status);
 
     delete this;
 }
 
 void Loader::discoverFeeds(const QByteArray &data)
 {
     const QUrl url = LoaderUtil::parseFeed(data, d->url);
     if (!url.isEmpty()) {
         d->discoveredFeedURL = url;
     }
 }
 
 } // namespace Syndication
 
 #include "moc_loader.cpp"