QTfrontend/util/HWDataManager.h
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6158:cf034cc88e39 6159:c780b8cf4d75
       
     1 /*
       
     2  * Hedgewars, a free turn based strategy game
       
     3  * Copyright (c) 2006-2007 Igor Ulyanov <iulyanov@gmail.com>
       
     4  * Copyright (c) 2007-2011 Andrey Korotaev <unC0Rr@gmail.com>
       
     5  *
       
     6  * This program is free software; you can redistribute it and/or modify
       
     7  * it under the terms of the GNU General Public License as published by
       
     8  * the Free Software Foundation; version 2 of the License
       
     9  *
       
    10  * This program is distributed in the hope that it will be useful,
       
    11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
       
    12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
       
    13  * GNU General Public License for more details.
       
    14  *
       
    15  * You should have received a copy of the GNU General Public License
       
    16  * along with this program; if not, write to the Free Software
       
    17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
       
    18  */
       
    19 
       
    20 #ifndef HEDGEWARS_HWDATAMANAGER_H
       
    21 #define HEDGEWARS_HWDATAMANAGER_H
       
    22 
       
    23 #include <QDir>
       
    24 #include <QFile>
       
    25 
       
    26 #include <QStringList>
       
    27 
       
    28 class QDir;
       
    29 class QFile;
       
    30 class QStringList;
       
    31 
       
    32 /**
       
    33  * Offers access to the data files of hedgewars.
       
    34  * Note: singleton pattern
       
    35  * @author sheepluva
       
    36  * @since 0.9.17
       
    37  */
       
    38 class HWDataManager
       
    39 {
       
    40 public:
       
    41     /**
       
    42      * Returns a pointer to the singleton instance of this class.
       
    43      * @return pointer to the instance.
       
    44      */
       
    45     static HWDataManager & instance();
       
    46 
       
    47     /**
       
    48      * Returns a pointer to the singleton instance of this class.
       
    49      * @param subDirectory sub-directory to search.
       
    50      * @param filters filters for entry type.
       
    51      * @param namefilters filters by name patterns.
       
    52      * @return a list of matches in the subDirectory of data directory.
       
    53      */
       
    54     QStringList entryList(const QString & subDirectory,
       
    55                           QDir::Filters filters = QDir::NoFilter,
       
    56                           const QStringList & nameFilters = QStringList()
       
    57                          ) const;
       
    58 
       
    59     /**
       
    60      * Creates a QFile for the desired data path and returns a pointer to it.
       
    61      * Use this method if you want to read an existing data file;
       
    62      * @param relativeDataFilePath path to the data file.
       
    63      * @return respective QFile pointer, the actual file may actually not exist.
       
    64      */
       
    65     QFile * findFileForRead(const QString & relativeDataFilePath) const;
       
    66 
       
    67 
       
    68     /**
       
    69      * Creates a QFile for the desired data path and returns a pointer to it.
       
    70      * Use this method if you want to create or write into a data file.
       
    71      * @param relativeDataFilePath path to the data file.
       
    72      * @return respective QFile pointer.
       
    73      */
       
    74     QFile * findFileForWrite(const QString & relativeDataFilePath) const;
       
    75 
       
    76 
       
    77 private:
       
    78     /**
       
    79      * Singleton class constructor.
       
    80      */
       
    81     HWDataManager();
       
    82 
       
    83     QDir * defaultData;
       
    84     QDir * userData;
       
    85 };
       
    86 
       
    87 #endif // HEDGEWARS_HWDATAMANAGER_H