/**************************************************************************** | |
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
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** This file is part of the QtCore module of the Qt Toolkit. | |
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** GNU Lesser General Public License Usage | |
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** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
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** file. Please review the following information to ensure the GNU General | |
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****************************************************************************/ | |
#include "qfsfileengine_iterator_p.h" | |
#include "qfsfileengine_p.h" | |
#include "qplatformdefs.h" | |
#include <QtCore/qvariant.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 saveCurrentFileName(); | |
}; | |
void QFSFileEngineIteratorPlatformSpecificData::saveCurrentFileName() | |
{ | |
if (uncFallback) { | |
// Windows share / UNC path | |
it->currentEntry = uncShares.at(uncShareIndex - 1); | |
} else { | |
// Local directory | |
it->currentEntry = QString::fromWCharArray(findData.cFileName); | |
} | |
} | |
void QFSFileEngineIterator::advance() | |
{ | |
platform->saveCurrentFileName(); | |
if (platform->done) | |
return; | |
if (platform->uncFallback) { | |
++platform->uncShareIndex; | |
} else if (platform->findFileHandle != INVALID_HANDLE_VALUE) { | |
if (!FindNextFile(platform->findFileHandle, &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("*.*")); | |
QString fileName = QFSFileEnginePrivate::longFileName(path); | |
platform->findFileHandle = FindFirstFile((const wchar_t *)fileName.utf16(), &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 |