qdir.h

Go to the documentation of this file.
00001 /****************************************************************************
00002 **
00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
00004 ** All rights reserved.
00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
00006 **
00007 ** This file is part of the QtCore module of the Qt Toolkit.
00008 **
00009 ** $QT_BEGIN_LICENSE:LGPL$
00010 ** Commercial Usage
00011 ** Licensees holding valid Qt Commercial licenses may use this file in
00012 ** accordance with the Qt Commercial License Agreement provided with the
00013 ** Software or, alternatively, in accordance with the terms contained in
00014 ** a written agreement between you and Nokia.
00015 **
00016 ** GNU Lesser General Public License Usage
00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
00018 ** General Public License version 2.1 as published by the Free Software
00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
00020 ** packaging of this file.  Please review the following information to
00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
00023 **
00024 ** In addition, as a special exception, Nokia gives you certain additional
00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
00027 **
00028 ** GNU General Public License Usage
00029 ** Alternatively, this file may be used under the terms of the GNU
00030 ** General Public License version 3.0 as published by the Free Software
00031 ** Foundation and appearing in the file LICENSE.GPL included in the
00032 ** packaging of this file.  Please review the following information to
00033 ** ensure the GNU General Public License version 3.0 requirements will be
00034 ** met: http://www.gnu.org/copyleft/gpl.html.
00035 **
00036 ** If you have questions regarding the use of this file, please contact
00037 ** Nokia at qt-info@nokia.com.
00038 ** $QT_END_LICENSE$
00039 **
00040 ****************************************************************************/
00041 
00042 #ifndef QDIR_H
00043 #define QDIR_H
00044 
00045 #include <QtCore/qstring.h>
00046 #include <QtCore/qfileinfo.h>
00047 #include <QtCore/qstringlist.h>
00048 #include <QtCore/qshareddata.h>
00049 
00050 QT_BEGIN_HEADER
00051 
00052 QT_BEGIN_NAMESPACE
00053 
00054 QT_MODULE(Core)
00055 
00056 class QDirPrivate;
00057 
00058 class Q_CORE_EXPORT QDir
00059 {
00060 protected:
00061     QSharedDataPointer<QDirPrivate> d_ptr;
00062 
00063 public:
00064     enum Filter { Dirs        = 0x001,
00065                   Files       = 0x002,
00066                   Drives      = 0x004,
00067                   NoSymLinks  = 0x008,
00068                   AllEntries  = Dirs | Files | Drives,
00069                   TypeMask    = 0x00f,
00070 #ifdef QT3_SUPPORT
00071                   All         = AllEntries,
00072 #endif
00073 
00074                   Readable    = 0x010,
00075                   Writable    = 0x020,
00076                   Executable  = 0x040,
00077                   PermissionMask    = 0x070,
00078 #ifdef QT3_SUPPORT
00079                   RWEMask     = 0x070,
00080 #endif
00081 
00082                   Modified    = 0x080,
00083                   Hidden      = 0x100,
00084                   System      = 0x200,
00085 
00086                   AccessMask  = 0x3F0,
00087 
00088                   AllDirs       = 0x400,
00089                   CaseSensitive = 0x800,
00090                   NoDotAndDotDot = 0x1000, // ### Qt5 NoDotAndDotDot = NoDot|NoDotDot
00091                   NoDot         = 0x2000,
00092                   NoDotDot      = 0x4000,
00093 
00094                   NoFilter = -1
00095 #ifdef QT3_SUPPORT
00096                   ,DefaultFilter = NoFilter
00097 #endif
00098     };
00099     Q_DECLARE_FLAGS(Filters, Filter)
00100 #ifdef QT3_SUPPORT
00101     typedef Filters FilterSpec;
00102 #endif
00103 
00104     enum SortFlag { Name        = 0x00,
00105                     Time        = 0x01,
00106                     Size        = 0x02,
00107                     Unsorted    = 0x03,
00108                     SortByMask  = 0x03,
00109 
00110                     DirsFirst   = 0x04,
00111                     Reversed    = 0x08,
00112                     IgnoreCase  = 0x10,
00113                     DirsLast    = 0x20,
00114                     LocaleAware = 0x40, 
00115                     Type        = 0x80,
00116                     NoSort = -1
00117 #ifdef QT3_SUPPORT
00118                   ,DefaultSort = NoSort
00119 #endif
00120     };
00121     Q_DECLARE_FLAGS(SortFlags, SortFlag)
00122 
00123     QDir(const QDir &);
00124     QDir(const QString &path = QString());
00125     QDir(const QString &path, const QString &nameFilter,
00126          SortFlags sort = SortFlags(Name | IgnoreCase), Filters filter = AllEntries);
00127     ~QDir();
00128 
00129     QDir &operator=(const QDir &);
00130     QDir &operator=(const QString &path);
00131 
00132     void setPath(const QString &path);
00133     QString path() const;
00134     QString absolutePath() const;
00135     QString canonicalPath() const;
00136 
00137     static void addResourceSearchPath(const QString &path);
00138 
00139     static void setSearchPaths(const QString &prefix, const QStringList &searchPaths);
00140     static void addSearchPath(const QString &prefix, const QString &path);
00141     static QStringList searchPaths(const QString &prefix);
00142 
00143     QString dirName() const;
00144     QString filePath(const QString &fileName) const;
00145     QString absoluteFilePath(const QString &fileName) const;
00146     QString relativeFilePath(const QString &fileName) const;
00147 
00148 #ifdef QT_DEPRECATED
00149     QT_DEPRECATED static QString convertSeparators(const QString &pathName);
00150 #endif
00151     static QString toNativeSeparators(const QString &pathName);
00152     static QString fromNativeSeparators(const QString &pathName);
00153 
00154     bool cd(const QString &dirName);
00155     bool cdUp();
00156 
00157     QStringList nameFilters() const;
00158     void setNameFilters(const QStringList &nameFilters);
00159 
00160     Filters filter() const;
00161     void setFilter(Filters filter);
00162     SortFlags sorting() const;
00163     void setSorting(SortFlags sort);
00164 
00165     uint count() const;
00166     QString operator[](int) const;
00167 
00168     static QStringList nameFiltersFromString(const QString &nameFilter);
00169 
00170     QStringList entryList(Filters filters = NoFilter, SortFlags sort = NoSort) const;
00171     QStringList entryList(const QStringList &nameFilters, Filters filters = NoFilter,
00172                           SortFlags sort = NoSort) const;
00173 
00174     QFileInfoList entryInfoList(Filters filters = NoFilter, SortFlags sort = NoSort) const;
00175     QFileInfoList entryInfoList(const QStringList &nameFilters, Filters filters = NoFilter,
00176                                 SortFlags sort = NoSort) const;
00177 
00178     bool mkdir(const QString &dirName) const;
00179     bool rmdir(const QString &dirName) const;
00180     bool mkpath(const QString &dirPath) const;
00181     bool rmpath(const QString &dirPath) const;
00182 
00183     bool isReadable() const;
00184     bool exists() const;
00185     bool isRoot() const;
00186 
00187     static bool isRelativePath(const QString &path);
00188     inline static bool isAbsolutePath(const QString &path) { return !isRelativePath(path); }
00189     bool isRelative() const;
00190     inline bool isAbsolute() const { return !isRelative(); }
00191     bool makeAbsolute();
00192 
00193     bool operator==(const QDir &dir) const;
00194     inline bool operator!=(const QDir &dir) const {  return !operator==(dir); }
00195 
00196     bool remove(const QString &fileName);
00197     bool rename(const QString &oldName, const QString &newName);
00198     bool exists(const QString &name) const;
00199 
00200     static QFileInfoList drives();
00201 
00202     static QChar separator();
00203 
00204     static bool setCurrent(const QString &path);
00205     static inline QDir current() { return QDir(currentPath()); }
00206     static QString currentPath();
00207 
00208     static inline QDir home() { return QDir(homePath()); }
00209     static QString homePath();
00210     static inline QDir root() { return QDir(rootPath()); }
00211     static QString rootPath();
00212     static inline QDir temp() { return QDir(tempPath()); }
00213     static QString tempPath();
00214 
00215 #ifndef QT_NO_REGEXP
00216     static bool match(const QStringList &filters, const QString &fileName);
00217     static bool match(const QString &filter, const QString &fileName);
00218 #endif
00219 
00220     static QString cleanPath(const QString &path);
00221     void refresh() const;
00222 
00223 #ifdef QT3_SUPPORT
00224     typedef SortFlags SortSpec;
00225     inline QT3_SUPPORT QString absPath() const { return absolutePath(); }
00226     inline QT3_SUPPORT QString absFilePath(const QString &fileName, bool acceptAbsPath = true) const
00227        { Q_UNUSED(acceptAbsPath); return absoluteFilePath(fileName); }
00228     QT3_SUPPORT bool matchAllDirs() const;
00229     QT3_SUPPORT void setMatchAllDirs(bool on);
00230     inline QT3_SUPPORT QStringList entryList(const QString &nameFilter, Filters filters = NoFilter,
00231                                            SortFlags sort = NoSort) const
00232     { return entryList(nameFiltersFromString(nameFilter), filters, sort); }
00233     inline QT3_SUPPORT QFileInfoList entryInfoList(const QString &nameFilter,
00234                                                  Filters filters = NoFilter,
00235                                                  SortFlags sort = NoSort) const
00236     { return entryInfoList(nameFiltersFromString(nameFilter), filters, sort); }
00237 
00238     QT3_SUPPORT QString nameFilter() const;
00239     QT3_SUPPORT void setNameFilter(const QString &nameFilter);
00240 
00241     inline QT3_SUPPORT bool mkdir(const QString &dirName, bool acceptAbsPath) const
00242         { Q_UNUSED(acceptAbsPath); return mkdir(dirName); }
00243     inline QT3_SUPPORT bool rmdir(const QString &dirName, bool acceptAbsPath) const
00244         { Q_UNUSED(acceptAbsPath); return rmdir(dirName); }
00245 
00246     inline QT3_SUPPORT void convertToAbs() { makeAbsolute(); }
00247     inline QT3_SUPPORT static QString currentDirPath() { return currentPath(); }
00248     inline QT3_SUPPORT static QString homeDirPath() { return homePath(); }
00249     inline QT3_SUPPORT static QString rootDirPath() { return rootPath(); }
00250     inline QT3_SUPPORT static QString cleanDirPath(const QString &name) { return cleanPath(name); }
00251 #endif // QT3_SUPPORT
00252 };
00253 
00254 Q_DECLARE_OPERATORS_FOR_FLAGS(QDir::Filters)
00255 Q_DECLARE_OPERATORS_FOR_FLAGS(QDir::SortFlags)
00256 
00257 #ifndef QT_NO_DEBUG_STREAM
00258 class QDebug;
00259 Q_CORE_EXPORT QDebug operator<<(QDebug debug, QDir::Filters filters);
00260 Q_CORE_EXPORT QDebug operator<<(QDebug debug, const QDir &dir);
00261 #endif
00262 
00263 QT_END_NAMESPACE
00264 
00265 QT_END_HEADER
00266 
00267 #endif // QDIR_H