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+/*
+ This file is part of Akregator.
+
+ Copyright (C) 2004 Teemu Rytilahti <tpr@d5k.net>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+ As a special exception, permission is given to link this program
+ with any edition of Qt, and distribute the resulting executable,
+ without including the source code for Qt in the source distribution.
+*/
+
+#ifndef AKREGATORFEEDDETECTOR_H
+#define AKREGATORFEEDDETECTOR_H
+
+#include <qstring.h>
+#include <qvaluelist.h>
+
+class QStringList;
+
+namespace Akregator
+{
+
+ class FeedDetectorEntry
+ {
+ public:
+ FeedDetectorEntry() {}
+ FeedDetectorEntry(const QString& url, const QString& title)
+ : m_url(url), m_title(title) {}
+
+ const QString& url() const { return m_url; }
+ const QString& title() const { return m_title; }
+
+ private:
+ const QString m_url;
+ const QString m_title;
+ };
+
+ typedef QValueList<FeedDetectorEntry> FeedDetectorEntryList;
+
+ /** a class providing functions to detect linked feeds in HTML sources */
+ class FeedDetector
+ {
+ public:
+ /** \brief searches an HTML page for feeds listed in @c <link> tags
+ @c <link> tags with @c rel attribute values @c alternate or
+ @c service.feed are considered as feeds
+ @param s the html source to scan (the actual source, no URI)
+ @return a list containing the detected feeds
+ */
+ static FeedDetectorEntryList extractFromLinkTags(const QString& s);
+
+ /** \brief searches an HTML page for slightly feed-like looking links and catches everything not running away quickly enough.
+ Extracts links from @c <a @c href> tags which end with @c xml, @c rss or @c rdf
+ @param s the html source to scan (the actual source, no URI)
+ @return a list containing the detected feeds
+ */
+ static QStringList extractBruteForce(const QString& s);
+
+ private:
+ FeedDetector() {}
+ };
+}
+
+#endif //AKREGATORFEEDDETECTOR_H