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/****************************************************************************
**
** Copyright (C) 2008-2012 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 or (at your option) 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.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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "Qt3DSRenderInputStreamFactory.h"
#include "stdio.h"
#include "foundation/Qt3DSFoundation.h"
#include "foundation/Qt3DSAllocatorCallback.h"
#include "foundation/Qt3DSBroadcastingAllocator.h"
#include "foundation/Qt3DSAtomic.h"
#include "EASTL/string.h"
#include "EASTL/vector.h"
#include "foundation/Qt3DSContainers.h"
#include "foundation/FileTools.h"
#include "foundation/Qt3DSMutex.h"
#include <QDir>
#include <QDirIterator>
#include <QFile>
#include <QFileInfo>
#include <QUrl>
using namespace qt3ds::render;
namespace {
struct SInputStream : public IRefCountedInputStream
{
NVFoundationBase &m_Foundation;
QString m_Path;
QFile m_File;
volatile QT3DSI32 mRefCount;
SInputStream(NVFoundationBase &inFoundation, const QString &inPath)
: m_Foundation(inFoundation)
, m_Path(inPath)
, m_File(inPath)
, mRefCount(0)
{
m_File.open(QIODevice::ReadOnly);
}
virtual ~SInputStream()
{
}
QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE(m_Foundation.getAllocator())
QT3DSU32 Read(NVDataRef<QT3DSU8> data) override
{
return m_File.read((char *)data.begin(), data.size());
}
bool Write(NVConstDataRef<QT3DSU8> /*data*/) override
{
QT3DS_ASSERT(false);
return false;
}
void SetPosition(QT3DSI64 inOffset, qt3ds::foundation::SeekPosition::Enum inEnum) override
{
if (inOffset > QT3DS_MAX_I32 || inOffset < QT3DS_MIN_I32) {
qCCritical(INVALID_OPERATION, "Attempt to seek further than platform allows");
QT3DS_ASSERT(false);
return;
} else {
CFileTools::SetStreamPosition(m_File, inOffset, inEnum);
}
}
QT3DSI64 GetPosition() const override
{
return m_File.pos();
}
static SInputStream *OpenFile(const QString &inPath, NVFoundationBase &inFoundation)
{
return QT3DS_NEW(inFoundation.getAllocator(), SInputStream)(inFoundation, inPath);
}
};
typedef eastl::basic_string<char8_t, ForwardingAllocator> TStrType;
struct SFactory : public IInputStreamFactory
{
NVFoundationBase &m_Foundation;
volatile QT3DSI32 mRefCount;
Mutex m_Mutex;
typedef Mutex::ScopedLock TScopedLock;
const QString QT3DSTUDIO_TAG = QStringLiteral("qt3dstudio");
SFactory(NVFoundationBase &inFoundation)
: m_Foundation(inFoundation)
, mRefCount(0)
, m_Mutex(inFoundation.getAllocator())
{
// Add the top-level qrc directory
if (!QDir::searchPaths(QT3DSTUDIO_TAG).contains(QLatin1String(":/")))
QDir::addSearchPath(QT3DSTUDIO_TAG, QStringLiteral(":/"));
}
QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE_OVERRIDE(m_Foundation.getAllocator())
QFileInfo matchCaseInsensitiveFile(const QString& file, bool inQuiet)
{
if (!inQuiet) {
// Some assets are searched for in several levels in the project structure,
// we don't want to alert user of things that can't be fixed in the presentation
// itself.
qCWarning(WARNING, PERF_INFO, "Case-insensitive matching with file: %s",
file.toLatin1().constData());
}
const QStringList searchDirectories = QDir::searchPaths(QT3DSTUDIO_TAG);
for (const auto &directoryPath : searchDirectories) {
QFileInfo fileInfo(file);
QDirIterator it(directoryPath, {fileInfo.fileName()}, QDir::NoFilter,
QDirIterator::Subdirectories);
while (it.hasNext()) {
QString filePath = it.next();
if (filePath.compare(QDir::cleanPath(directoryPath + '/' + file),
Qt::CaseInsensitive) == 0) {
return QFileInfo(filePath);
}
}
}
return QFileInfo();
}
void AddSearchDirectory(const char8_t *inDirectory) override
{
TScopedLock __factoryLocker(m_Mutex);
QString localDir = CFileTools::NormalizePathForQtUsage(inDirectory);
QDir directory(localDir);
if (!directory.exists()) {
qCCritical(INTERNAL_ERROR, "Adding search directory: %s", inDirectory);
return;
}
if (!QDir::searchPaths(QT3DSTUDIO_TAG).contains(localDir))
QDir::addSearchPath(QT3DSTUDIO_TAG, localDir);
}
IRefCountedInputStream *GetStreamForFile(const QString &inFilename, bool inQuiet) override
{
TScopedLock __factoryLocker(m_Mutex);
QString localFile = CFileTools::NormalizePathForQtUsage(inFilename);
QFileInfo fileInfo = QFileInfo(localFile);
SInputStream *inputStream = nullptr;
// Try to match the file with the search paths
if (!fileInfo.exists())
fileInfo.setFile(QStringLiteral("qt3dstudio:") + localFile);
// Try to match the case-insensitive file with the given search paths
if (!fileInfo.exists())
fileInfo = matchCaseInsensitiveFile(localFile, inQuiet);
if (fileInfo.exists())
inputStream = SInputStream::OpenFile(fileInfo.absoluteFilePath(), m_Foundation);
if (!inputStream && !inQuiet) {
// Print extensive debugging information.
qCCritical(INTERNAL_ERROR, "Failed to find file: %s", localFile.toLatin1().constData());
qCCritical(INTERNAL_ERROR, "Searched path: %s",
QDir::searchPaths(QT3DSTUDIO_TAG).join(',').toLatin1().constData());
}
return inputStream;
}
bool GetPathForFile(const QString &inFilename, QString &outFile,
bool inQuiet = false) override
{
NVScopedRefCounted<IRefCountedInputStream> theStream =
GetStreamForFile(inFilename, inQuiet);
if (theStream) {
SInputStream *theRealStream = static_cast<SInputStream *>(theStream.mPtr);
outFile = theRealStream->m_Path;
return true;
}
return false;
}
};
}
IInputStreamFactory &IInputStreamFactory::Create(NVFoundationBase &inFoundation)
{
return *QT3DS_NEW(inFoundation.getAllocator(), SFactory)(inFoundation);
}
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