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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 LIBRSS_FEEDDETECTOR_H
#define LIBRSS_FEEDDETECTOR_H
#include <tqstring.h>
#include <tqvaluelist.h>
class TQStringList;
class KURL;
namespace RSS
{
class FeedDetectorEntry
{
public:
FeedDetectorEntry() {}
FeedDetectorEntry(const TQString& url, const TQString& title)
: m_url(url), m_title(title) {}
const TQString& url() const { return m_url; }
const TQString& title() const { return m_title; }
private:
const TQString m_url;
const TQString m_title;
};
typedef TQValueList<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 TQString& 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 TQStringList extractBruteForce(const TQString& s);
static TQString fixRelativeURL(const TQString &s, const KURL &baseurl);
private:
FeedDetector() {}
};
}
#endif //LIBRSS_FEEDDETECTOR_H
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