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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 "Qt3DSStateInputStreamFactory.h"
#include "stdio.h"
#include "foundation/Qt3DSLogging.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 <QFile>
using namespace qt3ds::state;
using qt3ds::foundation::CFileTools;
namespace {
using qt3ds::foundation::atomicIncrement;
using qt3ds::foundation::atomicDecrement;
using qt3ds::QT3DSI32;
struct SInputStream : public IRefCountedInputStream
{
qt3ds::NVFoundationBase &m_Foundation;
eastl::string m_Path;
QFile m_File;
volatile qt3ds::QT3DSI32 mRefCount;
SInputStream(qt3ds::NVFoundationBase &inFoundation, const eastl::string &inPath)
: m_Foundation(inFoundation)
, m_Path(inPath)
, m_File(inPath.c_str())
, mRefCount(0)
{
m_File.open(QIODevice::ReadOnly);
}
virtual ~SInputStream()
{
}
QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE(m_Foundation.getAllocator())
qt3ds::QT3DSU32 Read(qt3ds::foundation::NVDataRef<qt3ds::QT3DSU8> data) override
{
return m_File.read((char *)data.begin(), data.size());
}
bool Write(qt3ds::foundation::NVConstDataRef<qt3ds::QT3DSU8> /*data*/) override
{
QT3DS_ASSERT(false);
return false;
}
void SetPosition(qt3ds::QT3DSI64 inOffset, qt3ds::foundation::SeekPosition::Enum inEnum) override
{
if (inOffset > QT3DS_MAX_I32 || inOffset < QT3DS_MIN_I32) {
qCCritical(qt3ds::INVALID_OPERATION, "Attempt to seek further than platform allows");
QT3DS_ASSERT(false);
return;
} else {
CFileTools::SetStreamPosition(m_File, inOffset, inEnum);
}
}
qt3ds::QT3DSI64 GetPosition() const override
{
return m_File.pos();
}
static SInputStream *OpenFile(const char8_t *inPath, qt3ds::NVFoundationBase &inFoundation)
{
eastl::string finalPath = CFileTools::GetFileOrAssetPath(inPath);
QFile tmp(finalPath.c_str());
if (tmp.exists())
return QT3DS_NEW(inFoundation.getAllocator(), SInputStream)(inFoundation, finalPath);
return NULL;
}
};
typedef eastl::basic_string<char8_t, qt3ds::foundation::ForwardingAllocator> TStrType;
struct SFactory : public IInputStreamFactory
{
qt3ds::NVFoundationBase &m_Foundation;
volatile qt3ds::QT3DSI32 mRefCount;
TStrType m_SearchString;
qt3ds::foundation::nvvector<TStrType> m_SearchPaths;
TStrType m_TempAddSearch;
qt3ds::foundation::Mutex m_Mutex;
typedef qt3ds::foundation::Mutex::ScopedLock TScopedLock;
SFactory(qt3ds::NVFoundationBase &inFoundation)
: m_Foundation(inFoundation)
, mRefCount(0)
, m_SearchString(qt3ds::foundation::ForwardingAllocator(inFoundation.getAllocator(),
"SFactory::m_SearchString"))
, m_SearchPaths(inFoundation.getAllocator(), "SFactory::m_SearchPaths")
, m_TempAddSearch(qt3ds::foundation::ForwardingAllocator(inFoundation.getAllocator(),
"SFactory::m_TempAddSearch"))
, m_Mutex(inFoundation.getAllocator())
{
}
QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE(m_Foundation.getAllocator())
void AddSearchDirectory(const char8_t *inDirectory) override
{
TScopedLock __factoryLocker(m_Mutex);
if (inDirectory && *inDirectory) {
bool foundPath = false;
m_TempAddSearch.assign(inDirectory);
qt3ds::foundation::CFileTools::NormalizePath(m_TempAddSearch);
for (qt3ds::QT3DSU32 idx = 0, end = m_SearchPaths.size(); idx < end && foundPath == false;
++idx) {
foundPath = m_SearchPaths[idx].compare(m_TempAddSearch.c_str()) == 0;
}
if (!foundPath) {
qCInfo(qt3ds::TRACE_INFO, "Adding search path: %s", inDirectory);
m_SearchPaths.push_back(m_TempAddSearch);
}
}
}
void AttemptCFileOpen()
{
qCInfo(qt3ds::TRACE_INFO, "attempting C file api for %s", m_SearchString.c_str());
FILE *theTest = fopen(m_SearchString.c_str(), "rb");
if (theTest) {
qCInfo(qt3ds::TRACE_INFO, "C file api succeeded for %s", m_SearchString.c_str());
fclose(theTest);
} else {
qCInfo(qt3ds::TRACE_INFO, "C file api failed for %s", m_SearchString.c_str());
}
}
// Remove the ./ from the relative path as this allows APK lookup to succeed
static void CheckRelative(TStrType &ioStr)
{
if (ioStr.find("./") == 0)
ioStr.erase(ioStr.begin(), ioStr.begin() + 2);
}
IRefCountedInputStream *GetStreamForFile(const char8_t *inFilename, bool inQuiet) override
{
TScopedLock __factoryLocker(m_Mutex);
SInputStream *theFile = NULL;
for (qt3ds::QT3DSU32 idx = 0, end = m_SearchPaths.size() + 1; theFile == NULL && idx < end;
++idx) {
if (idx) {
qt3ds::foundation::CFileTools::CombineBaseAndRelative(m_SearchPaths[idx - 1].c_str(),
inFilename, m_SearchString);
} else {
m_SearchString.assign(inFilename);
}
qt3ds::foundation::CFileTools::ToPlatformPath(m_SearchString);
CheckRelative(m_SearchString);
theFile = SInputStream::OpenFile(m_SearchString.c_str(), m_Foundation);
}
if (theFile) {
qCInfo(qt3ds::TRACE_INFO, "file %s resolved to: %s", inFilename, m_SearchString.c_str());
} else {
if (inQuiet == false) {
// Print extensive debugging information.
qCWarning(qt3ds::WARNING, "Failed to find file: %s", inFilename);
qCWarning(qt3ds::WARNING, "Searched paths: %s", inFilename);
m_SearchString.assign(inFilename);
qt3ds::foundation::CFileTools::ToPlatformPath(m_SearchString);
qCWarning(qt3ds::WARNING, "%s", m_SearchString.c_str());
for (qt3ds::QT3DSU32 idx = 0, end = m_SearchPaths.size(); idx < end; ++idx) {
qt3ds::foundation::CFileTools::CombineBaseAndRelative(m_SearchPaths[idx].c_str(),
inFilename, m_SearchString);
qt3ds::foundation::CFileTools::ToPlatformPath(m_SearchString);
CheckRelative(m_SearchString);
if (m_SearchString.compare(inFilename) != 0)
qCWarning(qt3ds::WARNING, "%s", m_SearchString.c_str());
}
}
}
return theFile;
}
bool GetPathForFile(const char8_t *inFilename, eastl::string &outFile,
bool inQuiet = false) override
{
qt3ds::foundation::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(qt3ds::NVFoundationBase &inFoundation)
{
return *QT3DS_NEW(inFoundation.getAllocator(), SFactory)(inFoundation);
}
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