4 files changed, 244 insertions, 0 deletions
diff --git a/src/platformsupport/input/shared/devicehandlerlist_p.h b/src/platformsupport/input/shared/devicehandlerlist_p.h
new file mode 100644
index 0000000000..97794d4d7d
--- /dev/null
+++ b/src/platformsupport/input/shared/devicehandlerlist_p.h
@@ -0,0 +1,95 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz <marc.mutz@kdab.com>
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTINPUTSUPPORT_DEVICEHANDLERLIST_P_H
+#define QTINPUTSUPPORT_DEVICEHANDLERLIST_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QString>
+
+#include <vector>
+#include <memory>
+
+namespace QtInputSupport {
+
+template <typename Handler>
+class DeviceHandlerList {
+public:
+    struct Device {
+        QString deviceNode;
+        std::unique_ptr<Handler> handler;
+    };
+
+    void add(const QString &deviceNode, std::unique_ptr<Handler> handler)
+    {
+        v.push_back({deviceNode, std::move(handler)});
+    }
+
+    bool remove(const QString &deviceNode)
+    {
+        const auto deviceNodeMatches = [&] (const Device &d) { return d.deviceNode == deviceNode; };
+        const auto it = std::find_if(v.cbegin(), v.cend(), deviceNodeMatches);
+        if (it == v.cend())
+            return false;
+        v.erase(it);
+        return true;
+    }
+
+    int count() const noexcept { return static_cast<int>(v.size()); }
+
+    typename std::vector<Device>::const_iterator begin() const noexcept { return v.begin(); }
+    typename std::vector<Device>::const_iterator end() const  noexcept { return v.end(); }
+
+private:
+    std::vector<Device> v;
+};
+
+} // QtInputSupport
+
+#endif // QTINPUTSUPPORT_DEVICEHANDLERLIST_P_H
diff --git a/src/platformsupport/input/shared/qevdevutil.cpp b/src/platformsupport/input/shared/qevdevutil.cpp
new file mode 100644
index 0000000000..74f8bcdc2b
--- /dev/null
+++ b/src/platformsupport/input/shared/qevdevutil.cpp
@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz <marc.mutz@kdab.com>
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the plugins module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qevdevutil_p.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace QEvdevUtil {
+
+ParsedSpecification parseSpecification(const QString &specification)
+{
+    ParsedSpecification result;
+
+    result.args = specification.splitRef(QLatin1Char(':'));
+
+    for (const QStringRef &arg : qAsConst(result.args)) {
+        if (arg.startsWith(QLatin1String("/dev/"))) {
+            // if device is specified try to use it
+            result.devices.append(arg.toString());
+        } else {
+            // build new specification without /dev/ elements
+            result.spec += arg + QLatin1Char(':');
+        }
+    }
+
+    if (!result.spec.isEmpty())
+        result.spec.chop(1); // remove trailing ':'
+
+    return result;
+}
+
+} // namespace QEvdevUtil
+
+QT_END_NAMESPACE
diff --git a/src/platformsupport/input/shared/qevdevutil_p.h b/src/platformsupport/input/shared/qevdevutil_p.h
new file mode 100644
index 0000000000..7d0a5af130
--- /dev/null
+++ b/src/platformsupport/input/shared/qevdevutil_p.h
@@ -0,0 +1,76 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz <marc.mutz@kdab.com>
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the plugins module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QEVDEVUTIL_P_H
+#define QEVDEVUTIL_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QString>
+#include <QStringList>
+#include <QVector>
+#include <QStringRef>
+
+QT_BEGIN_NAMESPACE
+
+namespace QEvdevUtil {
+
+struct ParsedSpecification
+{
+    QString spec;
+    QStringList devices;
+    QVector<QStringRef> args;
+};
+
+ParsedSpecification parseSpecification(const QString &specification);
+
+}
+
+QT_END_NAMESPACE
+
+#endif // QEVDEVUTIL_P_H
diff --git a/src/platformsupport/input/shared/shared.pri b/src/platformsupport/input/shared/shared.pri
index 1443235244..c29d11e7d6 100644
--- a/src/platformsupport/input/shared/shared.pri
+++ b/src/platformsupport/input/shared/shared.pri
@@ -1,5 +1,8 @@
 HEADERS += \
+    $$PWD/devicehandlerlist_p.h \
+    $$PWD/qevdevutil_p.h \
     $$PWD/qtouchoutputmapping_p.h
 
 SOURCES += \
+    $$PWD/qevdevutil.cpp \
     $$PWD/qtouchoutputmapping.cpp