diff options
-rw-r--r-- | src/corelib/io/qfileinfo.cpp | 154 | ||||
-rw-r--r-- | src/corelib/io/qfileinfo_p.h | 25 |
2 files changed, 90 insertions, 89 deletions
diff --git a/src/corelib/io/qfileinfo.cpp b/src/corelib/io/qfileinfo.cpp index 61f7180..4671d8c 100644 --- a/src/corelib/io/qfileinfo.cpp +++ b/src/corelib/io/qfileinfo.cpp @@ -64,46 +64,45 @@ QFileInfoPrivate::~QFileInfoPrivate() data = 0; } -void QFileInfoPrivate::initFileEngine(const QString &file) +void QFileInfoPrivate::Data::initFileEngine(const QString &file) { - detach(); - delete data->fileEngine; - data->fileEngine = 0; - data->clear(); - data->fileEngine = QAbstractFileEngine::create(file); - data->fileName = file; + delete fileEngine; + fileEngine = 0; + clear(); + fileEngine = QAbstractFileEngine::create(file); + fileName = file; } -void QFileInfoPrivate::detach() +void QFileInfoPrivate::Data::detach(QFileInfoPrivate::Data *&data) { qAtomicDetach(data); } -QString QFileInfoPrivate::getFileName(QAbstractFileEngine::FileName name) const +QString QFileInfoPrivate::Data::getFileName(QAbstractFileEngine::FileName name) const { - if (data->cache_enabled && !data->fileNames[(int)name].isNull()) - return data->fileNames[(int)name]; - QString ret = data->fileEngine->fileName(name); + if (cache_enabled && !fileNames[(int)name].isNull()) + return fileNames[(int)name]; + QString ret = fileEngine->fileName(name); if (ret.isNull()) ret = QLatin1String(""); - if (data->cache_enabled) - data->fileNames[(int)name] = ret; + if (cache_enabled) + fileNames[(int)name] = ret; return ret; } -QString QFileInfoPrivate::getFileOwner(QAbstractFileEngine::FileOwner own) const +QString QFileInfoPrivate::Data::getFileOwner(QAbstractFileEngine::FileOwner own) const { - if (data->cache_enabled && !data->fileOwners[(int)own].isNull()) - return data->fileOwners[(int)own]; - QString ret = data->fileEngine->owner(own); + if (cache_enabled && !fileOwners[(int)own].isNull()) + return fileOwners[(int)own]; + QString ret = fileEngine->owner(own); if (ret.isNull()) ret = QLatin1String(""); - if (data->cache_enabled) - data->fileOwners[(int)own] = ret; + if (cache_enabled) + fileOwners[(int)own] = ret; return ret; } -uint QFileInfoPrivate::getFileFlags(QAbstractFileEngine::FileFlags request) const +uint QFileInfoPrivate::Data::getFileFlags(QAbstractFileEngine::FileFlags request) const { // We split the testing into tests for for LinkType, BundleType, PermsMask // and the rest. @@ -118,7 +117,7 @@ uint QFileInfoPrivate::getFileFlags(QAbstractFileEngine::FileFlags request) cons uint cachedFlags = 0; if (request & (QAbstractFileEngine::FlagsMask | QAbstractFileEngine::TypesMask)) { - if (!data->getCachedFlag(CachedFileFlags)) { + if (!getCachedFlag(CachedFileFlags)) { req |= QAbstractFileEngine::FlagsMask; req |= QAbstractFileEngine::TypesMask; req &= (~QAbstractFileEngine::LinkType); @@ -128,14 +127,14 @@ uint QFileInfoPrivate::getFileFlags(QAbstractFileEngine::FileFlags request) cons } if (request & QAbstractFileEngine::LinkType) { - if (!data->getCachedFlag(CachedLinkTypeFlag)) { + if (!getCachedFlag(CachedLinkTypeFlag)) { req |= QAbstractFileEngine::LinkType; cachedFlags |= CachedLinkTypeFlag; } } if (request & QAbstractFileEngine::BundleType) { - if (!data->getCachedFlag(CachedBundleTypeFlag)) { + if (!getCachedFlag(CachedBundleTypeFlag)) { req |= QAbstractFileEngine::BundleType; cachedFlags |= CachedBundleTypeFlag; } @@ -143,30 +142,30 @@ uint QFileInfoPrivate::getFileFlags(QAbstractFileEngine::FileFlags request) cons } if (request & QAbstractFileEngine::PermsMask) { - if (!data->getCachedFlag(CachedPerms)) { + if (!getCachedFlag(CachedPerms)) { req |= QAbstractFileEngine::PermsMask; cachedFlags |= CachedPerms; } } if (req) { - if (data->cache_enabled) + if (cache_enabled) req &= (~QAbstractFileEngine::Refresh); else req |= QAbstractFileEngine::Refresh; - QAbstractFileEngine::FileFlags flags = data->fileEngine->fileFlags(req); - data->fileFlags |= uint(flags); - data->setCachedFlag(cachedFlags); + QAbstractFileEngine::FileFlags flags = fileEngine->fileFlags(req); + fileFlags |= uint(flags); + setCachedFlag(cachedFlags); } - return data->fileFlags & request; + return fileFlags & request; } -QDateTime &QFileInfoPrivate::getFileTime(QAbstractFileEngine::FileTime request) const +QDateTime &QFileInfoPrivate::Data::getFileTime(QAbstractFileEngine::FileTime request) const { - if (!data->cache_enabled) - data->clearFlags(); + if (!cache_enabled) + clearFlags(); uint cf; if (request == QAbstractFileEngine::CreationTime) cf = CachedCTime; @@ -174,11 +173,11 @@ QDateTime &QFileInfoPrivate::getFileTime(QAbstractFileEngine::FileTime request) cf = CachedMTime; else cf = CachedATime; - if (!data->getCachedFlag(cf)) { - data->fileTimes[request] = data->fileEngine->fileTime(request); - data->setCachedFlag(cf); + if (!getCachedFlag(cf)) { + fileTimes[request] = fileEngine->fileTime(request); + setCachedFlag(cf); } - return data->fileTimes[request]; + return fileTimes[request]; } //************* QFileInfo @@ -287,7 +286,8 @@ QFileInfo::QFileInfo() : d_ptr(new QFileInfoPrivate()) */ QFileInfo::QFileInfo(const QString &file) : d_ptr(new QFileInfoPrivate()) { - d_ptr->initFileEngine(file); + QFileInfoPrivate::Data::detach(d_ptr->data); + d_ptr->data->initFileEngine(file); } /*! @@ -301,7 +301,8 @@ QFileInfo::QFileInfo(const QString &file) : d_ptr(new QFileInfoPrivate()) */ QFileInfo::QFileInfo(const QFile &file) : d_ptr(new QFileInfoPrivate()) { - d_ptr->initFileEngine(file.fileName()); + QFileInfoPrivate::Data::detach(d_ptr->data); + d_ptr->data->initFileEngine(file.fileName()); } /*! @@ -318,7 +319,8 @@ QFileInfo::QFileInfo(const QFile &file) : d_ptr(new QFileInfoPrivate()) */ QFileInfo::QFileInfo(const QDir &dir, const QString &file) : d_ptr(new QFileInfoPrivate()) { - d_ptr->initFileEngine(dir.filePath(file)); + QFileInfoPrivate::Data::detach(d_ptr->data); + d_ptr->data->initFileEngine(dir.filePath(file)); } /*! @@ -490,7 +492,7 @@ QString QFileInfo::absoluteFilePath() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QLatin1String(""); - return d->getFileName(QAbstractFileEngine::AbsoluteName); + return d->data->getFileName(QAbstractFileEngine::AbsoluteName); } /*! @@ -507,7 +509,7 @@ QString QFileInfo::canonicalFilePath() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QLatin1String(""); - return d->getFileName(QAbstractFileEngine::CanonicalName); + return d->data->getFileName(QAbstractFileEngine::CanonicalName); } @@ -538,7 +540,7 @@ QString QFileInfo::absolutePath() const qWarning("QFileInfo::absolutePath: Constructed with empty filename"); return QLatin1String(""); } - return d->getFileName(QAbstractFileEngine::AbsolutePathName); + return d->data->getFileName(QAbstractFileEngine::AbsolutePathName); } /*! @@ -554,7 +556,7 @@ QString QFileInfo::canonicalPath() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QLatin1String(""); - return d->getFileName(QAbstractFileEngine::CanonicalPathName); + return d->data->getFileName(QAbstractFileEngine::CanonicalPathName); } /*! @@ -571,7 +573,7 @@ QString QFileInfo::path() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QLatin1String(""); - return d->getFileName(QAbstractFileEngine::PathName); + return d->data->getFileName(QAbstractFileEngine::PathName); } /*! @@ -610,8 +612,9 @@ bool QFileInfo::makeAbsolute() Q_D(QFileInfo); if (!d->data->fileEngine || !d->data->fileEngine->isRelativePath()) return false; - QString absFileName = d->getFileName(QAbstractFileEngine::AbsoluteName); - d->initFileEngine(absFileName); + QString absFileName = d->data->getFileName(QAbstractFileEngine::AbsoluteName); + QFileInfoPrivate::Data::detach(d_ptr->data); + d->data->initFileEngine(absFileName); return true; } @@ -626,7 +629,7 @@ bool QFileInfo::exists() const Q_D(const QFileInfo); if (!d->data->fileEngine) return false; - return d->getFileFlags(QAbstractFileEngine::ExistsFlag); + return d->data->getFileFlags(QAbstractFileEngine::ExistsFlag); } /*! @@ -639,7 +642,8 @@ bool QFileInfo::exists() const void QFileInfo::refresh() { Q_D(QFileInfo); - d->reset(); + QFileInfoPrivate::Data::detach(d->data); + d->data->clear(); } /*! @@ -653,7 +657,7 @@ QString QFileInfo::filePath() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QLatin1String(""); - return d->getFileName(QAbstractFileEngine::DefaultName); + return d->data->getFileName(QAbstractFileEngine::DefaultName); } /*! @@ -672,7 +676,7 @@ QString QFileInfo::fileName() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QLatin1String(""); - return d->getFileName(QAbstractFileEngine::BaseName); + return d->data->getFileName(QAbstractFileEngine::BaseName); } /*! @@ -692,7 +696,7 @@ QString QFileInfo::bundleName() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QLatin1String(""); - return d->getFileName(QAbstractFileEngine::BundleName); + return d->data->getFileName(QAbstractFileEngine::BundleName); } /*! @@ -716,7 +720,7 @@ QString QFileInfo::baseName() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QLatin1String(""); - return d->getFileName(QAbstractFileEngine::BaseName).section(QLatin1Char('.'), 0, 0); + return d->data->getFileName(QAbstractFileEngine::BaseName).section(QLatin1Char('.'), 0, 0); } /*! @@ -735,7 +739,7 @@ QString QFileInfo::completeBaseName() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QLatin1String(""); - QString name = d->getFileName(QAbstractFileEngine::BaseName); + QString name = d->data->getFileName(QAbstractFileEngine::BaseName); int index = name.lastIndexOf(QLatin1Char('.')); return (index == -1) ? name : name.left(index); } @@ -756,7 +760,7 @@ QString QFileInfo::completeSuffix() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QLatin1String(""); - QString fileName = d->getFileName(QAbstractFileEngine::BaseName); + QString fileName = d->data->getFileName(QAbstractFileEngine::BaseName); int firstDot = fileName.indexOf(QLatin1Char('.')); if (firstDot == -1) return QLatin1String(""); @@ -783,7 +787,7 @@ QString QFileInfo::suffix() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QLatin1String(""); - QString fileName = d->getFileName(QAbstractFileEngine::BaseName); + QString fileName = d->data->getFileName(QAbstractFileEngine::BaseName); int lastDot = fileName.lastIndexOf(QLatin1Char('.')); if (lastDot == -1) return QLatin1String(""); @@ -848,7 +852,7 @@ bool QFileInfo::isReadable() const Q_D(const QFileInfo); if (!d->data->fileEngine) return false; - return d->getFileFlags(QAbstractFileEngine::ReadUserPerm); + return d->data->getFileFlags(QAbstractFileEngine::ReadUserPerm); } /*! @@ -861,7 +865,7 @@ bool QFileInfo::isWritable() const Q_D(const QFileInfo); if (!d->data->fileEngine) return false; - return d->getFileFlags(QAbstractFileEngine::WriteUserPerm); + return d->data->getFileFlags(QAbstractFileEngine::WriteUserPerm); } /*! @@ -874,7 +878,7 @@ bool QFileInfo::isExecutable() const Q_D(const QFileInfo); if (!d->data->fileEngine) return false; - return d->getFileFlags(QAbstractFileEngine::ExeUserPerm); + return d->data->getFileFlags(QAbstractFileEngine::ExeUserPerm); } /*! @@ -888,7 +892,7 @@ bool QFileInfo::isHidden() const Q_D(const QFileInfo); if (!d->data->fileEngine) return false; - return d->getFileFlags(QAbstractFileEngine::HiddenFlag); + return d->data->getFileFlags(QAbstractFileEngine::HiddenFlag); } /*! @@ -903,7 +907,7 @@ bool QFileInfo::isFile() const Q_D(const QFileInfo); if (!d->data->fileEngine) return false; - return d->getFileFlags(QAbstractFileEngine::FileType); + return d->data->getFileFlags(QAbstractFileEngine::FileType); } /*! @@ -917,7 +921,7 @@ bool QFileInfo::isDir() const Q_D(const QFileInfo); if (!d->data->fileEngine) return false; - return d->getFileFlags(QAbstractFileEngine::DirectoryType); + return d->data->getFileFlags(QAbstractFileEngine::DirectoryType); } @@ -933,7 +937,7 @@ bool QFileInfo::isBundle() const Q_D(const QFileInfo); if (!d->data->fileEngine) return false; - return d->getFileFlags(QAbstractFileEngine::BundleType); + return d->data->getFileFlags(QAbstractFileEngine::BundleType); } /*! @@ -958,7 +962,7 @@ bool QFileInfo::isSymLink() const Q_D(const QFileInfo); if (!d->data->fileEngine) return false; - return d->getFileFlags(QAbstractFileEngine::LinkType); + return d->data->getFileFlags(QAbstractFileEngine::LinkType); } /*! @@ -971,7 +975,7 @@ bool QFileInfo::isRoot() const Q_D(const QFileInfo); if (!d->data->fileEngine) return true; - return d->getFileFlags(QAbstractFileEngine::RootFlag); + return d->data->getFileFlags(QAbstractFileEngine::RootFlag); } /*! @@ -999,7 +1003,7 @@ QString QFileInfo::readLink() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QLatin1String(""); - return d->getFileName(QAbstractFileEngine::LinkName); + return d->data->getFileName(QAbstractFileEngine::LinkName); } /*! @@ -1017,7 +1021,7 @@ QString QFileInfo::owner() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QLatin1String(""); - return d->getFileOwner(QAbstractFileEngine::OwnerUser); + return d->data->getFileOwner(QAbstractFileEngine::OwnerUser); } /*! @@ -1051,7 +1055,7 @@ QString QFileInfo::group() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QLatin1String(""); - return d->getFileOwner(QAbstractFileEngine::OwnerGroup); + return d->data->getFileOwner(QAbstractFileEngine::OwnerGroup); } /*! @@ -1088,7 +1092,7 @@ bool QFileInfo::permission(QFile::Permissions permissions) const Q_D(const QFileInfo); if (!d->data->fileEngine) return false; - return d->getFileFlags(QAbstractFileEngine::FileFlags((int)permissions)) == (uint)permissions; + return d->data->getFileFlags(QAbstractFileEngine::FileFlags((int)permissions)) == (uint)permissions; } /*! @@ -1100,7 +1104,7 @@ QFile::Permissions QFileInfo::permissions() const Q_D(const QFileInfo); if (!d->data->fileEngine) return 0; - return QFile::Permissions(d->getFileFlags(QAbstractFileEngine::PermsMask) & QAbstractFileEngine::PermsMask); + return QFile::Permissions(d->data->getFileFlags(QAbstractFileEngine::PermsMask) & QAbstractFileEngine::PermsMask); } @@ -1140,7 +1144,7 @@ QDateTime QFileInfo::created() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QDateTime(); - return d->getFileTime(QAbstractFileEngine::CreationTime); + return d->data->getFileTime(QAbstractFileEngine::CreationTime); } /*! @@ -1153,7 +1157,7 @@ QDateTime QFileInfo::lastModified() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QDateTime(); - return d->getFileTime(QAbstractFileEngine::ModificationTime); + return d->data->getFileTime(QAbstractFileEngine::ModificationTime); } /*! @@ -1169,7 +1173,7 @@ QDateTime QFileInfo::lastRead() const Q_D(const QFileInfo); if (!d->data->fileEngine) return QDateTime(); - return d->getFileTime(QAbstractFileEngine::AccessTime); + return d->data->getFileTime(QAbstractFileEngine::AccessTime); } /*! \internal @@ -1178,7 +1182,7 @@ QDateTime QFileInfo::lastRead() const void QFileInfo::detach() { Q_D(QFileInfo); - d->detach(); + QFileInfoPrivate::Data::detach(d->data); } /*! @@ -1207,7 +1211,7 @@ bool QFileInfo::caching() const void QFileInfo::setCaching(bool enable) { Q_D(QFileInfo); - detach(); + QFileInfoPrivate::Data::detach(d->data); d->data->cache_enabled = enable; } diff --git a/src/corelib/io/qfileinfo_p.h b/src/corelib/io/qfileinfo_p.h index 306ffe1..a1f5419 100644 --- a/src/corelib/io/qfileinfo_p.h +++ b/src/corelib/io/qfileinfo_p.h @@ -66,13 +66,6 @@ public: QFileInfoPrivate(const QFileInfo *copy=0); ~QFileInfoPrivate(); - void initFileEngine(const QString &); - - uint getFileFlags(QAbstractFileEngine::FileFlags) const; - QDateTime &getFileTime(QAbstractFileEngine::FileTime) const; - QString getFileName(QAbstractFileEngine::FileName) const; - QString getFileOwner(QAbstractFileEngine::FileOwner own) const; - enum { CachedFileFlags=0x01, CachedLinkTypeFlag=0x02, CachedBundleTypeFlag=0x04, CachedMTime=0x10, CachedCTime=0x20, CachedATime=0x40, CachedSize =0x08, CachedPerms=0x80 }; @@ -87,7 +80,7 @@ public: cachedFlags(0), cache_enabled(copy.cache_enabled), fileFlags(0), fileSize(0) {} inline ~Data() { delete fileEngine; } - inline void clearFlags() { + inline void clearFlags() const { fileFlags = 0; cachedFlags = 0; if (fileEngine) @@ -100,6 +93,15 @@ public: fileOwners[1].clear(); fileOwners[0].clear(); } + void initFileEngine(const QString &); + + uint getFileFlags(QAbstractFileEngine::FileFlags) const; + QDateTime &getFileTime(QAbstractFileEngine::FileTime) const; + QString getFileName(QAbstractFileEngine::FileName) const; + QString getFileOwner(QAbstractFileEngine::FileOwner own) const; + + static void detach(QFileInfoPrivate::Data *&data); + mutable QAtomicInt ref; QAbstractFileEngine *fileEngine; @@ -114,14 +116,9 @@ public: mutable QDateTime fileTimes[3]; inline bool getCachedFlag(uint c) const { return cache_enabled ? (cachedFlags & c) : 0; } - inline void setCachedFlag(uint c) + inline void setCachedFlag(uint c) const { if (cache_enabled) cachedFlags |= c; } } *data; - inline void reset() { - detach(); - data->clear(); - } - void detach(); }; QT_END_NAMESPACE |