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Diffstat (limited to 'src/linguist/shared/simtexth.h')
-rw-r--r-- | src/linguist/shared/simtexth.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/linguist/shared/simtexth.h b/src/linguist/shared/simtexth.h new file mode 100644 index 000000000..efbe75036 --- /dev/null +++ b/src/linguist/shared/simtexth.h @@ -0,0 +1,100 @@ +/**************************************************************************** +** +** Copyright (C) 2011 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 |