diff options
Diffstat (limited to 'src/corelib/io/qabstractfileengine_p.h')
-rw-r--r-- | src/corelib/io/qabstractfileengine_p.h | 108 |
1 files changed, 42 insertions, 66 deletions
diff --git a/src/corelib/io/qabstractfileengine_p.h b/src/corelib/io/qabstractfileengine_p.h index bed4aa56d9..b2e0b248da 100644 --- a/src/corelib/io/qabstractfileengine_p.h +++ b/src/corelib/io/qabstractfileengine_p.h @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #ifndef QABSTRACTFILEENGINE_P_H #define QABSTRACTFILEENGINE_P_H @@ -55,6 +19,9 @@ #include "QtCore/qfile.h" #include "QtCore/qdir.h" +#include <memory> +#include <optional> + #ifdef open #error qabstractfileengine_p.h must be included before any header file that defines open #endif @@ -102,27 +69,24 @@ public: PathName, AbsoluteName, AbsolutePathName, - LinkName, + AbsoluteLinkTarget, CanonicalName, CanonicalPathName, BundleName, JunctionName, + RawLinkPath, NFileNames // Must be last. }; enum FileOwner { OwnerUser, OwnerGroup }; - enum FileTime { - AccessTime, - BirthTime, - MetadataChangeTime, - ModificationTime - }; + virtual ~QAbstractFileEngine(); - virtual bool open(QIODevice::OpenMode openMode); + virtual bool open(QIODevice::OpenMode openMode, + std::optional<QFile::Permissions> permissions = std::nullopt); virtual bool close(); virtual bool flush(); virtual bool syncToDisk(); @@ -135,7 +99,8 @@ public: virtual bool rename(const QString &newName); virtual bool renameOverwrite(const QString &newName); virtual bool link(const QString &newName); - virtual bool mkdir(const QString &dirName, bool createParentDirectories) const; + virtual bool mkdir(const QString &dirName, bool createParentDirectories, + std::optional<QFile::Permissions> permissions = std::nullopt) const; virtual bool rmdir(const QString &dirName, bool recurseParentDirectories) const; virtual bool setSize(qint64 size); virtual bool caseSensitive() const; @@ -147,8 +112,8 @@ public: virtual QString fileName(FileName file=DefaultName) const; virtual uint ownerId(FileOwner) const; virtual QString owner(FileOwner) const; - virtual bool setFileTime(const QDateTime &newDate, FileTime time); - virtual QDateTime fileTime(FileTime time) const; + virtual bool setFileTime(const QDateTime &newDate, QFile::FileTime time); + virtual QDateTime fileTime(QFile::FileTime time) const; virtual void setFileName(const QString &file); virtual int handle() const; virtual bool cloneTo(QAbstractFileEngine *target); @@ -157,8 +122,11 @@ public: bool unmap(uchar *ptr); typedef QAbstractFileEngineIterator Iterator; - virtual Iterator *beginEntryList(QDir::Filters filters, const QStringList &filterNames); - virtual Iterator *endEntryList(); + using IteratorUniquePtr = std::unique_ptr<Iterator>; + + virtual IteratorUniquePtr + beginEntryList(const QString &path, QDir::Filters filters, const QStringList &filterNames); + virtual IteratorUniquePtr endEntryList() { return {}; } virtual qint64 read(char *data, qint64 maxlen); virtual qint64 readLine(char *data, qint64 maxlen); @@ -179,26 +147,33 @@ public: {}; class MapExtensionOption : public ExtensionOption { + Q_DISABLE_COPY_MOVE(MapExtensionOption) public: qint64 offset; qint64 size; QFile::MemoryMapFlags flags; + constexpr MapExtensionOption(qint64 off, qint64 sz, QFile::MemoryMapFlags f) + : offset(off), size(sz), flags(f) {} }; class MapExtensionReturn : public ExtensionReturn { + Q_DISABLE_COPY_MOVE(MapExtensionReturn) public: - uchar *address; + MapExtensionReturn() = default; + uchar *address = nullptr; }; class UnMapExtensionOption : public ExtensionOption { + Q_DISABLE_COPY_MOVE(UnMapExtensionOption) public: - uchar *address; + uchar *address = nullptr; + constexpr UnMapExtensionOption(uchar *p) : address(p) {} }; virtual bool extension(Extension extension, const ExtensionOption *option = nullptr, ExtensionReturn *output = nullptr); virtual bool supportsExtension(Extension extension) const; // Factory - static QAbstractFileEngine *create(const QString &fileName); + static std::unique_ptr<QAbstractFileEngine> create(const QString &fileName); protected: void setError(QFile::FileError error, const QString &str); @@ -216,21 +191,21 @@ Q_DECLARE_OPERATORS_FOR_FLAGS(QAbstractFileEngine::FileFlags) class Q_CORE_EXPORT QAbstractFileEngineHandler { + Q_DISABLE_COPY_MOVE(QAbstractFileEngineHandler) public: QAbstractFileEngineHandler(); virtual ~QAbstractFileEngineHandler(); - virtual QAbstractFileEngine *create(const QString &fileName) const = 0; + virtual std::unique_ptr<QAbstractFileEngine> create(const QString &fileName) const = 0; }; -class QAbstractFileEngineIteratorPrivate; class Q_CORE_EXPORT QAbstractFileEngineIterator { public: - QAbstractFileEngineIterator(QDir::Filters filters, const QStringList &nameFilters); + QAbstractFileEngineIterator(const QString &path, QDir::Filters filters, + const QStringList &nameFilters); virtual ~QAbstractFileEngineIterator(); - virtual QString next() = 0; - virtual bool hasNext() const = 0; + virtual bool advance() = 0; QString path() const; QStringList nameFilters() const; @@ -238,19 +213,20 @@ public: virtual QString currentFileName() const = 0; virtual QFileInfo currentFileInfo() const; - QString currentFilePath() const; + virtual QString currentFilePath() const; protected: - enum EntryInfoType { - }; - virtual QVariant entryInfo(EntryInfoType type) const; + mutable QFileInfo m_fileInfo; private: Q_DISABLE_COPY_MOVE(QAbstractFileEngineIterator) friend class QDirIterator; friend class QDirIteratorPrivate; - void setPath(const QString &path); - QScopedPointer<QAbstractFileEngineIteratorPrivate> d; + friend class QDirListingPrivate; + + QDir::Filters m_filters; + QStringList m_nameFilters; + QString m_path; }; class QAbstractFileEnginePrivate @@ -269,7 +245,7 @@ public: Q_DECLARE_PUBLIC(QAbstractFileEngine) }; -QAbstractFileEngine *qt_custom_file_engine_handler_create(const QString &path); +std::unique_ptr<QAbstractFileEngine> qt_custom_file_engine_handler_create(const QString &path); QT_END_NAMESPACE |