diff -r 000000000000 -r 1918ee327afb tools/linguist/shared/simtexth.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/linguist/shared/simtexth.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,100 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Linguist of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SIMTEXTH_H
+#define SIMTEXTH_H
+
+const int textSimilarityThreshold = 190;
+
+#include <QString>
+#include <QList>
+
+QT_BEGIN_NAMESPACE
+
+class Translator;
+
+struct Candidate
+{
+    Candidate() {}
+    Candidate(const QString& source0, const QString &target0)
+	: source(source0), target(target0)
+    {}
+
+    QString source;
+    QString target;
+};
+
+inline bool operator==( const Candidate& c, const Candidate& d ) {
+    return c.target == d.target && c.source == d.source;
+}
+inline bool operator!=( const Candidate& c, const Candidate& d ) {
+    return !operator==( c, d );
+}
+
+typedef QList<Candidate> CandidateList;
+
+struct CoMatrix;
+/**
+ * This class is more efficient for searching through a large array of candidate strings, since we only
+ * have to construct the CoMatrix for the \a stringToMatch once,
+ * after that we just call getSimilarityScore(strCandidate).
+ * \sa getSimilarityScore
+ */
+class StringSimilarityMatcher {
+public:
+    StringSimilarityMatcher(const QString &stringToMatch);
+    ~StringSimilarityMatcher();
+    int getSimilarityScore(const QString &strCandidate);
+
+private:
+    CoMatrix *m_cm;
+    int m_length;
+};
+
+int getSimilarityScore(const QString &str1, const QString &str2);
+
+CandidateList similarTextHeuristicCandidates( const Translator *tor,
+					      const QString &text,
+					      int maxCandidates );
+
+QT_END_NAMESPACE
+
+#endif