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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qbs.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or 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.GPL2 and 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-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#if defined(WIN32) || defined(_WIN32)
#define SCANNER_EXPORT __declspec(dllexport)
#else
#define SCANNER_EXPORT __attribute__((visibility("default")))
#endif
#include "../scanner.h"
#include <tools/qbspluginmanager.h>
#include <tools/scannerpluginmanager.h>
#include <QtCore/qglobal.h>
#ifdef Q_OS_UNIX
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <unistd.h>
#else
#include <QtCore/qfile.h>
#endif
#include <QtCore/qstring.h>
#include <QtCore/qxmlstream.h>
#include <memory>
struct OpaqQrc
{
#ifdef Q_OS_UNIX
int fd = 0;
int mapl = 0;
#else
QFile *file = nullptr;
#endif
char *map = nullptr;
QXmlStreamReader *xml = nullptr;
QByteArray current;
OpaqQrc() = default;
~OpaqQrc()
{
#ifdef Q_OS_UNIX
if (map)
munmap (map, mapl);
if (fd)
close (fd);
#else
delete file;
#endif
delete xml;
}
};
static void *openScannerQrc(const unsigned short *filePath, const char *fileTags, int flags)
{
Q_UNUSED(flags);
Q_UNUSED(fileTags);
std::unique_ptr<OpaqQrc> opaque(new OpaqQrc);
#ifdef Q_OS_UNIX
QString filePathS = QString::fromUtf16(filePath);
opaque->fd = open(qPrintable(filePathS), O_RDONLY);
if (opaque->fd == -1) {
opaque->fd = 0;
return nullptr;
}
struct stat s;
int r = fstat(opaque->fd, &s);
if (r != 0)
return nullptr;
const int fileSize = static_cast<int>(s.st_size);
opaque->mapl = fileSize;
void *map = mmap(0, s.st_size, PROT_READ, MAP_PRIVATE, opaque->fd, 0);
if (map == nullptr)
return nullptr;
#else
opaque->file = new QFile(QString::fromUtf16(filePath));
if (!opaque->file->open(QFile::ReadOnly))
return nullptr;
const int fileSize = opaque->file->size();
uchar *map = opaque->file->map(0, fileSize);
if (!map)
return nullptr;
#endif
opaque->map = reinterpret_cast<char *>(map);
opaque->xml = new QXmlStreamReader(QByteArray::fromRawData(opaque->map, fileSize));
return static_cast<void *>(opaque.release());
}
static void closeScannerQrc(void *ptr)
{
const auto opaque = static_cast<OpaqQrc *>(ptr);
delete opaque;
}
static const char *nextQrc(void *opaq, int *size, int *flags)
{
const auto o = static_cast<OpaqQrc *>(opaq);
while (!o->xml->atEnd()) {
o->xml->readNext();
switch (o->xml->tokenType()) {
case QXmlStreamReader::StartElement:
if (o->xml->name() == QLatin1String("file")) {
o->current = o->xml->readElementText(QXmlStreamReader::ErrorOnUnexpectedElement).toUtf8();
*flags = SC_LOCAL_INCLUDE_FLAG;
*size = o->current.size();
return o->current.data();
}
break;
case QXmlStreamReader::EndDocument:
return nullptr;
default:
break;
}
}
return nullptr;
}
static const char **additionalFileTagsQrc(void *, int *size)
{
*size = 0;
return nullptr;
}
ScannerPlugin qrcScanner =
{
"qt_qrc_scanner",
"qrc",
openScannerQrc,
closeScannerQrc,
nextQrc,
additionalFileTagsQrc,
NoScannerFlags
};
ScannerPlugin *qtScanners[] = {&qrcScanner, NULL};
static void QbsQtScannerPluginLoad()
{
qbs::Internal::ScannerPluginManager::instance()->registerPlugins(qtScanners);
}
static void QbsQtScannerPluginUnload()
{
}
QBS_REGISTER_STATIC_PLUGIN(extern "C" SCANNER_EXPORT, qbs_qt_scanner,
QbsQtScannerPluginLoad, QbsQtScannerPluginUnload)
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