diff options
Diffstat (limited to 'src/corelib/io/qdir.cpp')
| -rw-r--r-- | src/corelib/io/qdir.cpp | 390 |
1 files changed, 197 insertions, 193 deletions
diff --git a/src/corelib/io/qdir.cpp b/src/corelib/io/qdir.cpp index 426f61e..42f1652 100644 --- a/src/corelib/io/qdir.cpp +++ b/src/corelib/io/qdir.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -41,6 +41,7 @@ #include "qplatformdefs.h" #include "qdir.h" +#include "qdir_p.h" #include "qabstractfileengine.h" #ifndef QT_NO_DEBUG_STREAM #include "qdebug.h" @@ -53,6 +54,10 @@ #include "qvector.h" #include "qalgorithms.h" #include "qvarlengtharray.h" +#include "qfilesystementry_p.h" +#include "qfilesystemmetadata_p.h" +#include "qfilesystemengine_p.h" +#include <qstringbuilder.h> #ifdef QT_BUILD_CORE_LIB # include "qresource.h" @@ -81,129 +86,123 @@ static QString driveSpec(const QString &path) } //************* QDirPrivate -class QDirPrivate - : public QSharedData -{ -public: - QDirPrivate(const QString &path, - const QStringList &nameFilters_ = QStringList(), - QDir::SortFlags sort_ = QDir::SortFlags(QDir::Name | QDir::IgnoreCase), - QDir::Filters filters_ = QDir::AllEntries) - : QSharedData() - , nameFilters(nameFilters_) - , sort(sort_) - , filters(filters_) +QDirPrivate::QDirPrivate(const QString &path, const QStringList &nameFilters_, QDir::SortFlags sort_, QDir::Filters filters_) + : QSharedData() + , nameFilters(nameFilters_) + , sort(sort_) + , filters(filters_) #ifdef QT3_SUPPORT - , filterSepChar(0) - , matchAllDirs(false) + , filterSepChar(0) + , matchAllDirs(false) #endif - , fileListsInitialized(false) - { - setPath(path.isEmpty() ? QString::fromLatin1(".") : path); - - bool empty = nameFilters.isEmpty(); - if (!empty) { - empty = true; - for (int i = 0; i < nameFilters.size(); ++i) { - if (!nameFilters.at(i).isEmpty()) { - empty = false; - break; - } + , fileListsInitialized(false) +{ + setPath(path.isEmpty() ? QString::fromLatin1(".") : path); + + bool empty = nameFilters.isEmpty(); + if (!empty) { + empty = true; + for (int i = 0; i < nameFilters.size(); ++i) { + if (!nameFilters.at(i).isEmpty()) { + empty = false; + break; } } - if (empty) - nameFilters = QStringList(QString::fromLatin1("*")); } + if (empty) + nameFilters = QStringList(QString::fromLatin1("*")); +} - QDirPrivate(const QDirPrivate ©) - : QSharedData(copy) - , path(copy.path) - , nameFilters(copy.nameFilters) - , sort(copy.sort) - , filters(copy.filters) +QDirPrivate::QDirPrivate(const QDirPrivate ©) + : QSharedData(copy) + , nameFilters(copy.nameFilters) + , sort(copy.sort) + , filters(copy.filters) #ifdef QT3_SUPPORT - , filterSepChar(copy.filterSepChar) - , matchAllDirs(copy.matchAllDirs) + , filterSepChar(copy.filterSepChar) + , matchAllDirs(copy.matchAllDirs) #endif - , fileListsInitialized(false) - { - } + , fileListsInitialized(false) + , dirEntry(copy.dirEntry) + , metaData(copy.metaData) +{ +} - bool exists() const - { - const QAbstractFileEngine::FileFlags info = - fileEngine->fileFlags(QAbstractFileEngine::DirectoryType - | QAbstractFileEngine::ExistsFlag - | QAbstractFileEngine::Refresh); - if (!(info & QAbstractFileEngine::DirectoryType)) - return false; - return info & QAbstractFileEngine::ExistsFlag; +bool QDirPrivate::exists() const +{ + if (fileEngine.isNull()) { + QFileSystemEngine::fillMetaData(dirEntry, metaData, + QFileSystemMetaData::ExistsAttribute | QFileSystemMetaData::DirectoryType); // always stat + return metaData.exists() && metaData.isDirectory(); } + const QAbstractFileEngine::FileFlags info = + fileEngine->fileFlags(QAbstractFileEngine::DirectoryType + | QAbstractFileEngine::ExistsFlag + | QAbstractFileEngine::Refresh); + if (!(info & QAbstractFileEngine::DirectoryType)) + return false; + return info & QAbstractFileEngine::ExistsFlag; +} - void initFileEngine(); - void initFileLists() const; - - static void sortFileList(QDir::SortFlags, QFileInfoList &, QStringList *, QFileInfoList *); - - static inline QChar getFilterSepChar(const QString &nameFilter) - { - QChar sep(QLatin1Char(';')); - int i = nameFilter.indexOf(sep, 0); - if (i == -1 && nameFilter.indexOf(QLatin1Char(' '), 0) != -1) - sep = QChar(QLatin1Char(' ')); - return sep; - } +// static +inline QChar QDirPrivate::getFilterSepChar(const QString &nameFilter) +{ + QChar sep(QLatin1Char(';')); + int i = nameFilter.indexOf(sep, 0); + if (i == -1 && nameFilter.indexOf(QLatin1Char(' '), 0) != -1) + sep = QChar(QLatin1Char(' ')); + return sep; +} - static inline QStringList splitFilters(const QString &nameFilter, QChar sep = 0) - { - if (sep == 0) - sep = getFilterSepChar(nameFilter); - QStringList ret = nameFilter.split(sep); - for (int i = 0; i < ret.count(); ++i) - ret[i] = ret[i].trimmed(); - return ret; - } +// static +inline QStringList QDirPrivate::splitFilters(const QString &nameFilter, QChar sep) +{ + if (sep == 0) + sep = getFilterSepChar(nameFilter); + QStringList ret = nameFilter.split(sep); + for (int i = 0; i < ret.count(); ++i) + ret[i] = ret[i].trimmed(); + return ret; +} - inline void setPath(QString p) - { - if ((p.endsWith(QLatin1Char('/')) || p.endsWith(QLatin1Char('\\'))) - && p.length() > 1) { +inline void QDirPrivate::setPath(const QString &path) +{ + QString p = QDir::fromNativeSeparators(path); + if (p.endsWith(QLatin1Char('/')) + && p.length() > 1 #if defined(Q_OS_WIN) || defined(Q_OS_SYMBIAN) - if (!(p.length() == 3 && p.at(1) == QLatin1Char(':'))) + && (!(p.length() == 3 && p.at(1).unicode() == ':' && p.at(0).isLetter())) #endif - p.truncate(p.length() - 1); - } - - path = p; - initFileEngine(); - - // set the path to be the qt friendly version so then we can operate on it using just / - path = fileEngine->fileName(QAbstractFileEngine::DefaultName); - clearFileLists(); + ) { + p.truncate(p.length() - 1); } - inline void clearFileLists() { - fileListsInitialized = false; - files.clear(); - fileInfos.clear(); - } - - QString path; - QStringList nameFilters; - QDir::SortFlags sort; - QDir::Filters filters; + dirEntry = QFileSystemEntry(p, QFileSystemEntry::FromInternalPath()); + metaData.clear(); + initFileEngine(); + clearFileLists(); + absoluteDirEntry = QFileSystemEntry(); +} -#ifdef QT3_SUPPORT - QChar filterSepChar; - bool matchAllDirs; -#endif +inline void QDirPrivate::clearFileLists() +{ + fileListsInitialized = false; + files.clear(); + fileInfos.clear(); +} - QScopedPointer<QAbstractFileEngine> fileEngine; +inline void QDirPrivate::resolveAbsoluteEntry() const +{ + if (!absoluteDirEntry.isEmpty() || dirEntry.isEmpty()) + return; - mutable bool fileListsInitialized; - mutable QStringList files; - mutable QFileInfoList fileInfos; -}; + if (dirEntry.isRelative()) { + QFileSystemEntry answer = QFileSystemEngine::absoluteName(dirEntry); + absoluteDirEntry = QFileSystemEntry(QDir::cleanPath(answer.filePath()), QFileSystemEntry::FromInternalPath()); + } else { + absoluteDirEntry = dirEntry; + } +} /* For sorting */ struct QDirSortItem @@ -315,12 +314,11 @@ inline void QDirPrivate::sortFileList(QDir::SortFlags sort, QFileInfoList &l, } } } - -inline void QDirPrivate::initFileLists() const +inline void QDirPrivate::initFileLists(const QDir &dir) const { if (!fileListsInitialized) { QFileInfoList l; - QDirIterator it(path, nameFilters, filters); + QDirIterator it(dir); while (it.hasNext()) { it.next(); l.append(it.fileInfo()); @@ -332,7 +330,7 @@ inline void QDirPrivate::initFileLists() const inline void QDirPrivate::initFileEngine() { - fileEngine.reset(QAbstractFileEngine::create(path)); + fileEngine.reset(QFileSystemEngine::resolveEntryAndCreateLegacyEngine(dirEntry, metaData)); } /*! @@ -597,7 +595,7 @@ void QDir::setPath(const QString &path) QString QDir::path() const { const QDirPrivate* d = d_ptr.constData(); - return d->path; + return d->dirEntry.filePath(); } /*! @@ -611,10 +609,8 @@ QString QDir::path() const QString QDir::absolutePath() const { const QDirPrivate* d = d_ptr.constData(); - QString ret = d->path; - if (QDir::isRelativePath(ret)) - ret = absoluteFilePath(QString::fromLatin1("")); - return cleanPath(ret); + d->resolveAbsoluteEntry(); + return d->absoluteDirEntry.filePath(); } /*! @@ -635,7 +631,12 @@ QString QDir::absolutePath() const */ QString QDir::canonicalPath() const { - return cleanPath(d_ptr->fileEngine->fileName(QAbstractFileEngine::CanonicalName)); + const QDirPrivate* d = d_ptr.constData(); + if (d->fileEngine.isNull()) { + QFileSystemEntry answer = QFileSystemEngine::canonicalName(d->dirEntry, d->metaData); + return answer.filePath(); + } + return d->fileEngine->fileName(QAbstractFileEngine::CanonicalName); } /*! @@ -652,10 +653,7 @@ QString QDir::canonicalPath() const QString QDir::dirName() const { const QDirPrivate* d = d_ptr.constData(); - int pos = d->path.lastIndexOf(QLatin1Char('/')); - if (pos == -1) - return d->path; - return d->path.mid(pos + 1); + return d->dirEntry.fileName(); } /*! @@ -673,7 +671,7 @@ QString QDir::filePath(const QString &fileName) const if (isAbsolutePath(fileName)) return QString(fileName); - QString ret = d->path; + QString ret = d->dirEntry.filePath(); if (!fileName.isEmpty()) { if (!ret.isEmpty() && ret[(int)ret.length()-1] != QLatin1Char('/') && fileName[0] != QLatin1Char('/')) ret += QLatin1Char('/'); @@ -696,22 +694,12 @@ QString QDir::absoluteFilePath(const QString &fileName) const if (isAbsolutePath(fileName)) return fileName; - QString ret; -#ifndef QT_NO_FSFILEENGINE - if (isRelativePath(d->path)) //get pwd - ret = QFSFileEngine::currentPath(fileName); -#endif - if (!d->path.isEmpty() && d->path != QLatin1String(".")) { - if (!ret.isEmpty() && !ret.endsWith(QLatin1Char('/'))) - ret += QLatin1Char('/'); - ret += d->path; - } - if (!fileName.isEmpty()) { - if (!ret.isEmpty() && !ret.endsWith(QLatin1Char('/'))) - ret += QLatin1Char('/'); - ret += fileName; - } - return ret; + d->resolveAbsoluteEntry(); + if (fileName.isEmpty()) + return d->absoluteDirEntry.filePath(); + if (!d->absoluteDirEntry.isRoot()) + return d->absoluteDirEntry.filePath() % QLatin1Char('/') % fileName; + return d->absoluteDirEntry.filePath() % fileName; } /*! @@ -723,7 +711,7 @@ QString QDir::absoluteFilePath(const QString &fileName) const */ QString QDir::relativeFilePath(const QString &fileName) const { - QString dir = absolutePath(); + QString dir = cleanPath(absolutePath()); QString file = cleanPath(fileName); if (isRelativePath(file) || isRelativePath(dir)) @@ -859,21 +847,22 @@ bool QDir::cd(const QString &dirName) if (dirName.isEmpty() || dirName == QLatin1String(".")) return true; - QString newPath = d->path; + QString newPath; if (isAbsolutePath(dirName)) { newPath = cleanPath(dirName); } else { if (isRoot()) { if (dirName == QLatin1String("..")) return false; + newPath = d->dirEntry.filePath(); } else { - newPath += QLatin1Char('/'); + newPath = d->dirEntry.filePath() % QLatin1Char('/'); } newPath += dirName; if (dirName.indexOf(QLatin1Char('/')) >= 0 - || d->path == QLatin1String(".") - || dirName == QLatin1String("..")) { + || dirName == QLatin1String("..") + || d->dirEntry.filePath() == QLatin1String(".")) { newPath = cleanPath(newPath); /* If newPath starts with .., we convert it to absolute to @@ -891,7 +880,6 @@ bool QDir::cd(const QString &dirName) QScopedPointer<QDirPrivate> dir(new QDirPrivate(*d_ptr.constData())); dir->setPath(newPath); - if (!dir->exists()) return false; @@ -1204,7 +1192,7 @@ void QDir::setSorting(SortFlags sort) uint QDir::count() const { const QDirPrivate* d = d_ptr.constData(); - d->initFileLists(); + d->initFileLists(*this); return d->files.count(); } @@ -1218,7 +1206,7 @@ uint QDir::count() const QString QDir::operator[](int pos) const { const QDirPrivate* d = d_ptr.constData(); - d->initFileLists(); + d->initFileLists(*this); return d->files[pos]; } @@ -1301,12 +1289,12 @@ QStringList QDir::entryList(const QStringList &nameFilters, Filters filters, sort = d->sort; if (filters == d->filters && sort == d->sort && nameFilters == d->nameFilters) { - d->initFileLists(); + d->initFileLists(*this); return d->files; } QFileInfoList l; - QDirIterator it(d->path, nameFilters, filters); + QDirIterator it(d->dirEntry.filePath(), nameFilters, filters); while (it.hasNext()) { it.next(); l.append(it.fileInfo()); @@ -1347,12 +1335,12 @@ QFileInfoList QDir::entryInfoList(const QStringList &nameFilters, Filters filter sort = d->sort; if (filters == d->filters && sort == d->sort && nameFilters == d->nameFilters) { - d->initFileLists(); + d->initFileLists(*this); return d->fileInfos; } QFileInfoList l; - QDirIterator it(d->path, nameFilters, filters); + QDirIterator it(d->dirEntry.filePath(), nameFilters, filters); while (it.hasNext()) { it.next(); l.append(it.fileInfo()); @@ -1367,8 +1355,11 @@ QFileInfoList QDir::entryInfoList(const QStringList &nameFilters, Filters filter Returns true on success; otherwise returns false. + If the directory already exists when this function is called, it will return false. + \sa rmdir() */ +// ### Qt5: behaviour when directory already exists should be made consistent for mkdir and mkpath bool QDir::mkdir(const QString &dirName) const { const QDirPrivate* d = d_ptr.constData(); @@ -1379,6 +1370,8 @@ bool QDir::mkdir(const QString &dirName) const } QString fn = filePath(dirName); + if (d->fileEngine.isNull()) + return QFileSystemEngine::createDirectory(QFileSystemEntry(fn), false); return d->fileEngine->mkdir(fn, false); } @@ -1401,6 +1394,9 @@ bool QDir::rmdir(const QString &dirName) const } QString fn = filePath(dirName); + if (d->fileEngine.isNull()) + return QFileSystemEngine::removeDirectory(QFileSystemEntry(fn), false); + return d->fileEngine->rmdir(fn, false); } @@ -1412,8 +1408,11 @@ bool QDir::rmdir(const QString &dirName) const Returns true if successful; otherwise returns false. + If the path already exists when this function is called, it will return true. + \sa rmpath() */ +// ### Qt5: behaviour when directory already exists should be made consistent for mkdir and mkpath bool QDir::mkpath(const QString &dirPath) const { const QDirPrivate* d = d_ptr.constData(); @@ -1424,6 +1423,8 @@ bool QDir::mkpath(const QString &dirPath) const } QString fn = filePath(dirPath); + if (d->fileEngine.isNull()) + return QFileSystemEngine::createDirectory(QFileSystemEntry(fn), true); return d->fileEngine->mkdir(fn, true); } @@ -1448,6 +1449,8 @@ bool QDir::rmpath(const QString &dirPath) const } QString fn = filePath(dirPath); + if (d->fileEngine.isNull()) + return QFileSystemEngine::removeDirectory(QFileSystemEntry(fn), true); return d->fileEngine->rmdir(fn, true); } @@ -1464,6 +1467,13 @@ bool QDir::isReadable() const { const QDirPrivate* d = d_ptr.constData(); + if (d->fileEngine.isNull()) { + if (!d->metaData.hasFlags(QFileSystemMetaData::UserReadPermission)) + QFileSystemEngine::fillMetaData(d->dirEntry, d->metaData, QFileSystemMetaData::UserReadPermission); + + return (d->metaData.permissions() & QFile::ReadUser) != 0; + } + const QAbstractFileEngine::FileFlags info = d->fileEngine->fileFlags(QAbstractFileEngine::DirectoryType | QAbstractFileEngine::PermsMask); @@ -1502,6 +1512,8 @@ bool QDir::exists() const */ bool QDir::isRoot() const { + if (d_ptr->fileEngine.isNull()) + return d_ptr->dirEntry.isRoot(); return d_ptr->fileEngine->fileFlags(QAbstractFileEngine::FlagsMask) & QAbstractFileEngine::RootFlag; } @@ -1532,6 +1544,8 @@ bool QDir::isRoot() const */ bool QDir::isRelative() const { + if (d_ptr->fileEngine.isNull()) + return d_ptr->dirEntry.isRelative(); return d_ptr->fileEngine->isRelativePath(); } @@ -1543,20 +1557,23 @@ bool QDir::isRelative() const \sa isAbsolute() isAbsolutePath() isRelative() cleanPath() */ -bool QDir::makeAbsolute() // ### What do the return values signify? +bool QDir::makeAbsolute() { - QString absolutePath = d_ptr.constData()->fileEngine->fileName(QAbstractFileEngine::AbsoluteName); - if (QDir::isRelativePath(absolutePath)) - return false; - - QScopedPointer<QDirPrivate> dir(new QDirPrivate(*d_ptr.constData())); - dir->setPath(absolutePath); - - d_ptr = dir.take(); - - if (!(d_ptr->fileEngine->fileFlags(QAbstractFileEngine::TypesMask) & QAbstractFileEngine::DirectoryType)) - return false; + const QDirPrivate *d = d_ptr.constData(); + QScopedPointer<QDirPrivate> dir; + if (!d->fileEngine.isNull()) { + QString absolutePath = d->fileEngine->fileName(QAbstractFileEngine::AbsoluteName); + if (QDir::isRelativePath(absolutePath)) + return false; + dir.reset(new QDirPrivate(*d_ptr.constData())); + dir->setPath(absolutePath); + } else { // native FS + d->resolveAbsoluteEntry(); + dir.reset(new QDirPrivate(*d_ptr.constData())); + dir->setPath(d->absoluteDirEntry.filePath()); + } + d_ptr = dir.take(); // actually detach return true; } @@ -1576,17 +1593,24 @@ bool QDir::operator==(const QDir &dir) const if (d == other) return true; - if (d->fileEngine->caseSensitive() != other->fileEngine->caseSensitive()) - return false; + Qt::CaseSensitivity sensitive; + if (d->fileEngine.isNull() || other->fileEngine.isNull()) { + if (d->fileEngine.data() != other->fileEngine.data()) // one is native, the other is a custom file-engine + return false; + + sensitive = QFileSystemEngine::isCaseSensitive() ? Qt::CaseSensitive : Qt::CaseInsensitive; + } else { + if (d->fileEngine->caseSensitive() != other->fileEngine->caseSensitive()) + return false; + sensitive = d->fileEngine->caseSensitive() ? Qt::CaseSensitive : Qt::CaseInsensitive; + } + if (d->filters == other->filters && d->sort == other->sort && d->nameFilters == other->nameFilters) { - QString dir1 = absolutePath(), dir2 = dir.absolutePath(); - if (!other->fileEngine->caseSensitive()) - return (dir1.toLower() == dir2.toLower()); - - return (dir1 == dir2); - + d->resolveAbsoluteEntry(); + other->resolveAbsoluteEntry(); + return d->absoluteDirEntry.filePath().compare(other->absoluteDirEntry.filePath(), sensitive) == 0; } return false; } @@ -1735,12 +1759,7 @@ QChar QDir::separator() */ bool QDir::setCurrent(const QString &path) { -#ifdef QT_NO_FSFILEENGINE - Q_UNUSED(path); - return false; -#else - return QFSFileEngine::setCurrentPath(path); -#endif + return QFileSystemEngine::setCurrentPath(QFileSystemEntry(path)); } /*! @@ -1761,11 +1780,7 @@ bool QDir::setCurrent(const QString &path) */ QString QDir::currentPath() { -#ifdef QT_NO_FSFILEENGINE - return QString(); -#else - return QFSFileEngine::currentPath(); -#endif + return QFileSystemEngine::currentPath().filePath(); } /*! @@ -1823,11 +1838,7 @@ QString QDir::currentPath() */ QString QDir::homePath() { -#ifdef QT_NO_FSFILEENGINE - return QString(); -#else - return cleanPath(QFSFileEngine::homePath()); -#endif + return QFileSystemEngine::homePath(); } /*! @@ -1866,11 +1877,7 @@ QString QDir::homePath() */ QString QDir::tempPath() { -#ifdef QT_NO_FSFILEENGINE - return QString(); -#else - return cleanPath(QFSFileEngine::tempPath()); -#endif + return QFileSystemEngine::tempPath(); } /*! @@ -1897,11 +1904,7 @@ QString QDir::tempPath() */ QString QDir::rootPath() { -#ifdef QT_NO_FSFILEENGINE - return QString(); -#else - return QFSFileEngine::rootPath(); -#endif + return QFileSystemEngine::rootPath(); } /*! @@ -2098,6 +2101,7 @@ bool QDir::isRelativePath(const QString &path) void QDir::refresh() const { QDirPrivate *d = const_cast<QDir*>(this)->d_ptr.data(); + d->metaData.clear(); d->initFileEngine(); d->clearFileLists(); } |