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Diffstat (limited to 'src/plugins/scanner/qt/qt.cpp')
| -rw-r--r-- | src/plugins/scanner/qt/qt.cpp | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/src/plugins/scanner/qt/qt.cpp b/src/plugins/scanner/qt/qt.cpp new file mode 100644 index 000000000..66d59e59a --- /dev/null +++ b/src/plugins/scanner/qt/qt.cpp @@ -0,0 +1,227 @@ +/************************************************************************** +** +** This file is part of the Qt Build Suite +** +** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies). +** +** Contact: Nokia Corporation (info@qt.nokia.com) +** +** +** GNU Lesser General Public License Usage +** +** 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 1.1, 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +**************************************************************************/ + +#if defined(WIN32) || defined(_WIN32) +#define SCANNER_EXPORT __declspec(dllexport) +#else +#define SCANNER_EXPORT +#endif + +#include "../scanner.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> +#endif + +#include <QtCore/QString> +#include <QtCore/QXmlStreamReader> +#include <QtCore/QScopedPointer> + + +#include <QDebug> + +struct Opaq +{ +#ifdef Q_OS_UNIX + int fd; + int mapl; +#else + QFile *file; +#endif + + char *map; + QXmlStreamReader *xml; + QByteArray current; + Opaq() +#ifdef Q_OS_UNIX + : fd (0), +#else + : file(0), +#endif + map(0), + xml(0) + {} + + ~Opaq() + { +#ifdef Q_OS_UNIX + if (map) + munmap (map, mapl); + if (fd) + close (fd); +#else + delete file; +#endif + delete xml; + } +}; + +static void *openScanner(const unsigned short *filePath, char **fileTags, int numFileTags) +{ + Q_UNUSED(fileTags); + Q_UNUSED(numFileTags); + QScopedPointer<Opaq> opaque(new Opaq); + +#ifdef Q_OS_UNIX + QString filePathS = QString::fromUtf16(filePath); + opaque->fd = open(qPrintable(filePathS), O_RDONLY); + if (opaque->fd == -1) { + opaque->fd = 0; + return 0; + } + + struct stat s; + int r = fstat(opaque->fd, &s); + if (r != 0) + return 0; + opaque->mapl = s.st_size; + + void *map = mmap(0, s.st_size, PROT_READ, MAP_PRIVATE, opaque->fd, 0); + if (map == 0) + return 0; +#else + opaque->file = new QFile(QString::fromUtf16(filePath)); + if (!opaque->file->open(QFile::ReadOnly)) + return 0; + + uchar *map = opaque->file->map(0, opaque->file->size()); + if (!map) + return 0; +#endif + + opaque->map = reinterpret_cast<char *>(map); + opaque->xml = new QXmlStreamReader(opaque->map); + + return static_cast<void *>(opaque.take()); +} + +static void closeScanner(void *ptr) +{ + Opaq *opaque = static_cast<Opaq *>(ptr); + delete opaque; +} + +static const char *nextUi(void *opaq, int *size, int *flags) +{ + Opaq *o= static_cast<Opaq *>(opaq); + while (!o->xml->atEnd()) { + o->xml->readNext(); + switch (o->xml->tokenType()) { + case QXmlStreamReader::StartElement: + if ( o->xml->name() == "include") { + o->current = o->xml->readElementText(QXmlStreamReader::ErrorOnUnexpectedElement).toUtf8(); + *flags = SC_GLOBAL_INCLUDE_FLAG; + *size = o->current.size(); + return o->current.data(); + } + break; + case QXmlStreamReader::EndDocument: + return 0; + default: + break; + } + } + return 0; +} + +static const char *nextQrc(void *opaq, int *size, int *flags) +{ + Opaq *o= static_cast<Opaq *>(opaq); + while (!o->xml->atEnd()) { + o->xml->readNext(); + switch (o->xml->tokenType()) { + case QXmlStreamReader::StartElement: + if ( o->xml->name() == "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 0; + default: + break; + } + } + return 0; +} + +static const char **additionalFileTags(void *, int *size) +{ + *size = 0; + return 0; +} + +extern "C" { + +ScannerPlugin uiScanner = +{ + "qt_ui_scanner", + "ui", + openScanner, + closeScanner, + nextUi, + additionalFileTags +}; + +ScannerPlugin qrcScanner = +{ + "qt_qrc_scanner", + "qrc", + openScanner, + closeScanner, + nextQrc, + additionalFileTags +}; + +ScannerPlugin *theScanners[3] = {&uiScanner, &qrcScanner, NULL}; + +SCANNER_EXPORT ScannerPlugin **getScanners() +{ + return theScanners; +} + +} // extern "C" |