diff options
Diffstat (limited to 'src/corelib/io/qfsfileengine_iterator_win.cpp')
| -rw-r--r-- | src/corelib/io/qfsfileengine_iterator_win.cpp | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/src/corelib/io/qfsfileengine_iterator_win.cpp b/src/corelib/io/qfsfileengine_iterator_win.cpp new file mode 100644 index 0000000000..3212d73ead --- /dev/null +++ b/src/corelib/io/qfsfileengine_iterator_win.cpp @@ -0,0 +1,183 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qdebug.h" +#include "qfsfileengine_iterator_p.h" +#include "qfsfileengine_p.h" +#include "qplatformdefs.h" + +#include <QtCore/qvariant.h> +#include <QtCore/qmutex.h> +#include <private/qmutexpool_p.h> + +QT_BEGIN_NAMESPACE + +class QFSFileEngineIteratorPlatformSpecificData +{ +public: + inline QFSFileEngineIteratorPlatformSpecificData() + : uncShareIndex(-1), findFileHandle(INVALID_HANDLE_VALUE), + done(false), uncFallback(false) + { } + + QFSFileEngineIterator *it; + + QStringList uncShares; + int uncShareIndex; + + HANDLE findFileHandle; + WIN32_FIND_DATA findData; + bool done; + bool uncFallback; + + void advance(); + void saveCurrentFileName(); +}; + +void QFSFileEngineIteratorPlatformSpecificData::saveCurrentFileName() +{ + if (uncFallback) { + // Windows share / UNC path + it->currentEntry = uncShares.at(uncShareIndex - 1); + } else { + // Local directory + QT_WA({ + it->currentEntry = QString::fromUtf16((unsigned short *)findData.cFileName); + } , { + it->currentEntry = QString::fromLocal8Bit((const char *)findData.cFileName); + }); + } +} + +void QFSFileEngineIterator::advance() +{ + platform->saveCurrentFileName(); + + if (platform->done) + return; + + if (platform->uncFallback) { + ++platform->uncShareIndex; + } else if (platform->findFileHandle != INVALID_HANDLE_VALUE) { + QT_WA({ + if (!FindNextFile(platform->findFileHandle, &platform->findData)) { + platform->done = true; + FindClose(platform->findFileHandle); + } + } , { + if (!FindNextFileA(platform->findFileHandle, (WIN32_FIND_DATAA *)&platform->findData)) { + platform->done = true; + FindClose(platform->findFileHandle); + } + }); + } +} + +void QFSFileEngineIterator::newPlatformSpecifics() +{ + platform = new QFSFileEngineIteratorPlatformSpecificData; + platform->it = this; +} + +void QFSFileEngineIterator::deletePlatformSpecifics() +{ + delete platform; + platform = 0; +} + +bool QFSFileEngineIterator::hasNext() const +{ + if (platform->done) + return false; + + if (platform->uncFallback) + return platform->uncShareIndex > 0 && platform->uncShareIndex <= platform->uncShares.size(); + + if (platform->findFileHandle == INVALID_HANDLE_VALUE) { + QString path = this->path(); + // Local directory + if (path.endsWith(QLatin1String(".lnk"))) + path = QFileInfo(path).readLink(); + + if (!path.endsWith(QLatin1Char('/'))) + path.append(QLatin1Char('/')); + path.append(QLatin1String("*.*")); + + QT_WA({ + QString fileName = QFSFileEnginePrivate::longFileName(path); + platform->findFileHandle = FindFirstFileW((TCHAR *)fileName.utf16(), + &platform->findData); + }, { + // Cast is safe, since char is at end of WIN32_FIND_DATA + platform->findFileHandle = FindFirstFileA(QFSFileEnginePrivate::win95Name(path), + (WIN32_FIND_DATAA*)&platform->findData); + }); + + if (platform->findFileHandle == INVALID_HANDLE_VALUE) { + if (path.startsWith(QLatin1String("//"))) { + path = this->path(); + // UNC + QStringList parts = QDir::toNativeSeparators(path).split(QLatin1Char('\\'), QString::SkipEmptyParts); + + if (parts.count() == 1 && QFSFileEnginePrivate::uncListSharesOnServer(QLatin1String("\\\\") + parts.at(0), + &platform->uncShares)) { + if (platform->uncShares.isEmpty()) { + platform->done = true; + } else { + platform->uncShareIndex = 1; + } + platform->uncFallback = true; + } else { + platform->done = true; + } + } else { + platform->done = true; + } + } + + if (!platform->done && (!platform->uncFallback || !platform->uncShares.isEmpty())) + platform->saveCurrentFileName(); + } + + return !platform->done; +} + +QT_END_NAMESPACE |