| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the qmake application of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
| ** 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 General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT |
| ** 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-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QMAKEVFS_H |
| #define QMAKEVFS_H |
| |
| #include "qmake_global.h" |
| |
| #include <qiodevice.h> |
| #include <qhash.h> |
| #include <qstring.h> |
| #ifdef PROEVALUATOR_THREAD_SAFE |
| # include <qmutex.h> |
| #endif |
| |
| #if QT_CONFIG(textcodec) |
| QT_FORWARD_DECLARE_CLASS(QTextCodec) |
| #endif |
| |
| #ifdef PROEVALUATOR_DUAL_VFS |
| # ifndef PROEVALUATOR_CUMULATIVE |
| # error PROEVALUATOR_DUAL_VFS requires PROEVALUATOR_CUMULATIVE |
| # endif |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QMAKE_EXPORT QMakeVfs |
| { |
| public: |
| enum ReadResult { |
| ReadOk, |
| ReadNotFound, |
| ReadOtherError |
| }; |
| |
| enum VfsFlag { |
| VfsExecutable = 1, |
| VfsExact = 0, |
| #ifdef PROEVALUATOR_DUAL_VFS |
| VfsCumulative = 2, |
| VfsCreate = 4, |
| VfsCreatedOnly = 8, |
| #else |
| VfsCumulative = 0, |
| VfsCreate = 0, |
| VfsCreatedOnly = 0, |
| #endif |
| VfsAccessedOnly = 16 |
| }; |
| Q_DECLARE_FLAGS(VfsFlags, VfsFlag) |
| |
| QMakeVfs(); |
| ~QMakeVfs(); |
| |
| static void ref(); |
| static void deref(); |
| |
| int idForFileName(const QString &fn, VfsFlags flags); |
| QString fileNameForId(int id); |
| bool writeFile(int id, QIODevice::OpenMode mode, VfsFlags flags, const QString &contents, QString *errStr); |
| ReadResult readFile(int id, QString *contents, QString *errStr); |
| bool exists(const QString &fn, QMakeVfs::VfsFlags flags); |
| |
| #ifndef PROEVALUATOR_FULL |
| void invalidateCache(); |
| void invalidateContents(); |
| #endif |
| |
| #if QT_CONFIG(textcodec) |
| void setTextCodec(const QTextCodec *textCodec); |
| #endif |
| |
| private: |
| #ifdef PROEVALUATOR_THREAD_SAFE |
| static QMutex s_mutex; |
| #endif |
| static int s_refCount; |
| static QAtomicInt s_fileIdCounter; |
| // Qt Creator's ProFile cache is a singleton to maximize its cross-project |
| // effectiveness (shared prf files from QtVersions). |
| // For this to actually work, real files need a global mapping. |
| // This is fine, because the namespace of real files is indeed global. |
| static QHash<QString, int> s_fileIdMap; |
| static QHash<int, QString> s_idFileMap; |
| #ifdef PROEVALUATOR_DUAL_VFS |
| # ifdef PROEVALUATOR_THREAD_SAFE |
| // The simple way to avoid recursing m_mutex. |
| QMutex m_vmutex; |
| # endif |
| // Virtual files are bound to the project context they were created in, |
| // so their ids need to be local as well. |
| // We violate that rule in lupdate (which has a non-dual VFS), but that |
| // does not matter, because it has only one project context anyway. |
| QHash<QString, int> m_virtualFileIdMap[2]; // Exact and cumulative |
| QHash<int, QString> m_virtualIdFileMap; // Only one map, as ids are unique across realms. |
| #endif |
| |
| #ifndef PROEVALUATOR_FULL |
| # ifdef PROEVALUATOR_THREAD_SAFE |
| QMutex m_mutex; |
| # endif |
| QHash<int, QString> m_files; |
| QString m_magicMissing; |
| QString m_magicExisting; |
| #endif |
| #if QT_CONFIG(textcodec) |
| const QTextCodec *m_textCodec; |
| #endif |
| }; |
| |
| Q_DECLARE_OPERATORS_FOR_FLAGS(QMakeVfs::VfsFlags) |
| |
| QT_END_NAMESPACE |
| |
| #endif // QMAKEVFS_H |