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+/*  -*- mode: C++; c-file-style: "gnu" -*-
+    spamheaderanalyzer.h
+
+    This file is part of KMail, the KDE mail client.
+    Copyright (c) 2004 Patrick Audley <paudley@blackcat.ca>
+    Copyright (c) 2004 Ingo Kloecker <kloecker@kde.org>
+
+    KMail 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.
+
+    KMail 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
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of this program with any edition of
+    the Qt library by Trolltech AS, Norway (or with modified versions
+    of Qt that use the same license as Qt), and distribute linked
+    combinations including the two.  You must obey the GNU General
+    Public License in all respects for all of the code used other than
+    Qt.  If you modify this file, you may extend this exception to
+    your version of the file, but you are not obligated to do so.  If
+    you do not wish to do so, delete this exception statement from
+    your version.
+*/
+
+#ifndef __KMAIL_SPAMHEADERANALYZER_H__
+#define __KMAIL_SPAMHEADERANALYZER_H__
+
+#include <qvaluelist.h>
+
+class QString;
+class KMMessage;
+
+namespace KMail {
+
+  /**
+     @short A simple tupel of agent, score and header.
+
+     The score returned is positive if no error has occurred.
+     Negative values indicate the following errors:
+       -1.0     Unintialized struct used
+       -2.0     Error extracing agent string
+       -3.0     Couldn't convert score to float
+       -4.0     Couldn't convert threshold to float or threshold is negative
+       -5.0     Couldn't find the score field
+       -6.0     Couldn't find the threshold field
+  */
+  class SpamScore {
+  public:
+    SpamScore() : mScore( -2.0 ) {}
+    SpamScore( const QString & agent, float score, const QString & header )
+      : mAgent( agent ), mScore( score ), mHeader( header ) {}
+    QString agent() const { return mAgent; }
+    float score() const { return mScore; }
+    QString spamHeader() const { return mHeader; }
+
+  private:
+    QString mAgent;
+    float mScore;
+    QString mHeader;
+  };
+  typedef QValueList<SpamScore> SpamScores;
+  typedef QValueListIterator<SpamScore> SpamScoresIterator;
+
+
+  /**
+     @short Flyweight for analysing spam headers.
+     @author Patrick Audley <paudley@blackcat.ca>
+   */
+  class SpamHeaderAnalyzer {
+  public:
+    /**
+       @short Extract scores from known anti-spam headers
+       @param message A KMMessage to examine
+       @return A list of detected scores. See SpamScore
+    */
+    static SpamScores getSpamScores( const KMMessage *message );
+  };
+
+} // namespace KMail
+
+#endif // __KMAIL_SPAMHEADERANALYZER_H__