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KDED

kmimefileparser.h

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00001 /*  This file is part of the KDE libraries
00002  *  Copyright 2007 David Faure <faure@kde.org>
00003  *
00004  *  This library is free software; you can redistribute it and/or
00005  *  modify it under the terms of the GNU Library General Public
00006  *  License as published by the Free Software Foundation; either
00007  *  version 2 of the License, or (at your option) any later version.
00008  *
00009  *  This library is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  *  Library General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Library General Public License
00015  *  along with this library; see the file COPYING.LIB.  If not, write to
00016  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  *  Boston, MA 02110-1301, USA.
00018  */
00019 
00020 #ifndef KDED_KMIMEFILEPARSER_H
00021 #define KDED_KMIMEFILEPARSER_H
00022 
00023 #include <QtCore/QStringList>
00024 #include <QtCore/QHash>
00025 class QIODevice;
00026 class QString;
00027 class KMimeTypeFactory;
00028 
00029 class KMimeFileParser
00030 {
00031 public:
00032     explicit KMimeFileParser( KMimeTypeFactory* mimeTypeFactory );
00033 
00034     // Must be called before parseGlobs to indicate
00035     // - which mimes were parsed (useful in case of incremental mode)
00036     // - for each mime, which pattern is the main one.
00037     typedef QHash<QString, QString> ParsedPatternMap;
00038     void setParsedPatternMap(const ParsedPatternMap& parsedPatternMap);
00039 
00040     // Read globs (patterns) files
00041     void parseGlobs();
00042 
00043     // Separate method, for unit test
00044     void parseGlobs(const QStringList&);
00045 
00046     struct Glob {
00047         Glob(int w = 50, const QString& pat = QString() ) : weight(w), pattern(pat) {}
00048         int weight;
00049         QString pattern;
00050     };
00051     class GlobList : public QList<Glob>
00052     {
00053     public:
00054         bool containsPattern(const QString& pattern) const {
00055             const_iterator it = begin();
00056             const const_iterator myend = end();
00057             for (; it != myend; ++it)
00058                 if ((*it).pattern == pattern)
00059                     return true;
00060             return false;
00061         }
00062     };
00063     enum Format { OldGlobs, Globs2WithWeight };
00064 
00065     typedef QHash<QString, GlobList> AllGlobs;
00066     typedef QHashIterator<QString, GlobList> AllGlobsIterator;
00067 
00068     static AllGlobs parseGlobFiles(const QStringList& globFiles, QStringList& parsedFiles);
00069     static bool parseGlobFile(QIODevice* file, Format format, AllGlobs& globs);
00070 
00071     // Retrieve the result of the parsing
00072     const AllGlobs& mimeTypeGlobs() const { return m_mimeTypeGlobs; }
00073     const QStringList& allMimeTypes() const { return m_allMimeTypes; }
00074 
00075 private:
00076     KMimeTypeFactory* m_mimeTypeFactory;
00077     AllGlobs m_mimeTypeGlobs;
00078     QStringList m_allMimeTypes;
00079     ParsedPatternMap m_parsedPatternMap;
00080 };
00081 
00082 #endif /* KMIMEFILEPARSER_H */
00083 

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