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-rw-r--r--tools/shared/windows/registry.cpp161
-rw-r--r--tools/shared/windows/registry.h64
2 files changed, 225 insertions, 0 deletions
diff --git a/tools/shared/windows/registry.cpp b/tools/shared/windows/registry.cpp
new file mode 100644
index 0000000..d342d78
--- /dev/null
+++ b/tools/shared/windows/registry.cpp
@@ -0,0 +1,161 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the qmake application of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtCore/qstringlist.h>
+#include "registry.h"
+
+/*!
+ Returns the path part of a registry key.
+ e.g.
+ For a key
+ "Software\\Microsoft\\VisualStudio\\8.0\\Setup\\VC\\ProductDir"
+ it returns
+ "Software\\Microsoft\\VisualStudio\\8.0\\Setup\\VC\\"
+*/
+static QString keyPath(const QString &rKey)
+{
+ int idx = rKey.lastIndexOf(QLatin1Char('\\'));
+ if (idx == -1)
+ return QString();
+ return rKey.left(idx + 1);
+}
+
+/*!
+ Returns the name part of a registry key.
+ e.g.
+ For a key
+ "Software\\Microsoft\\VisualStudio\\8.0\\Setup\\VC\\ProductDir"
+ it returns
+ "ProductDir"
+*/
+static QString keyName(const QString &rKey)
+{
+ int idx = rKey.lastIndexOf(QLatin1Char('\\'));
+ if (idx == -1)
+ return rKey;
+
+ QString res(rKey.mid(idx + 1));
+ if (res == "Default" || res == ".")
+ res = "";
+ return res;
+}
+
+QString readRegistryKey(HKEY parentHandle, const QString &rSubkey)
+{
+ QString result;
+
+#ifdef Q_OS_WIN32
+ QString rSubkeyName = keyName(rSubkey);
+ QString rSubkeyPath = keyPath(rSubkey);
+
+ HKEY handle = 0;
+ LONG res = RegOpenKeyEx(parentHandle, (wchar_t*)rSubkeyPath.utf16(), 0, KEY_READ, &handle);
+
+ if (res != ERROR_SUCCESS)
+ return QString();
+
+ // get the size and type of the value
+ DWORD dataType;
+ DWORD dataSize;
+ res = RegQueryValueEx(handle, (wchar_t*)rSubkeyName.utf16(), 0, &dataType, 0, &dataSize);
+ if (res != ERROR_SUCCESS) {
+ RegCloseKey(handle);
+ return QString();
+ }
+
+ // get the value
+ QByteArray data(dataSize, 0);
+ res = RegQueryValueEx(handle, (wchar_t*)rSubkeyName.utf16(), 0, 0,
+ reinterpret_cast<unsigned char*>(data.data()), &dataSize);
+ if (res != ERROR_SUCCESS) {
+ RegCloseKey(handle);
+ return QString();
+ }
+
+ switch (dataType) {
+ case REG_EXPAND_SZ:
+ case REG_SZ: {
+ result = QString::fromWCharArray(((const wchar_t *)data.constData()));
+ break;
+ }
+
+ case REG_MULTI_SZ: {
+ QStringList l;
+ int i = 0;
+ for (;;) {
+ QString s = QString::fromWCharArray((const wchar_t *)data.constData() + i);
+ i += s.length() + 1;
+
+ if (s.isEmpty())
+ break;
+ l.append(s);
+ }
+ result = l.join(", ");
+ break;
+ }
+
+ case REG_NONE:
+ case REG_BINARY: {
+ result = QString::fromWCharArray((const wchar_t *)data.constData(), data.size() / 2);
+ break;
+ }
+
+ case REG_DWORD_BIG_ENDIAN:
+ case REG_DWORD: {
+ Q_ASSERT(data.size() == sizeof(int));
+ int i;
+ memcpy((char*)&i, data.constData(), sizeof(int));
+ result = QString::number(i);
+ break;
+ }
+
+ default:
+ qWarning("QSettings: unknown data %d type in windows registry", dataType);
+ break;
+ }
+
+ RegCloseKey(handle);
+#endif
+
+ return result;
+}
+
+
diff --git a/tools/shared/windows/registry.h b/tools/shared/windows/registry.h
new file mode 100644
index 0000000..3896527
--- /dev/null
+++ b/tools/shared/windows/registry.h
@@ -0,0 +1,64 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the qmake application of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef WINDOWS_REGISTRY_H
+#define WINDOWS_REGISTRY_H
+
+#include <QtCore/qglobal.h>
+
+#ifdef Q_OS_WIN32
+ #include <QtCore/qt_windows.h>
+#else
+ typedef void* HKEY;
+#endif
+
+#include <QtCore/qstring.h>
+
+/**
+ * Read a value from the Windows registry.
+ *
+ * If the key is not found, or the registry cannot be accessed (for example
+ * if this code is compiled for a platform other than Windows), a null
+ * string is returned.
+ */
+QString readRegistryKey(HKEY parentHandle, const QString &rSubkey);
+
+#endif // WINDOWS_REGISTRY_H
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