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diff --git a/src/plugins/mesonprojectmanager/settings/tools/toolssettingsaccessor.cpp b/src/plugins/mesonprojectmanager/settings/tools/toolssettingsaccessor.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2020 Alexis Jeandet.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** 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 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** 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.
+**
+****************************************************************************/
+
+#include "toolssettingsaccessor.h"
+#include <app/app_version.h>
+#include <coreplugin/icore.h>
+#include <iterator>
+#include <mesonpluginconstants.h>
+#include <utils/fileutils.h>
+#include <vector>
+#include <QCoreApplication>
+#include <QVariantMap>
+
+namespace MesonProjectManager {
+namespace Internal {
+namespace {
+inline QString entryName(int index)
+{
+    using namespace Constants;
+    return QString("%1%2").arg(ToolsSettings::ENTRY_KEY).arg(index);
+}
+} // namespace
+
+ToolsSettingsAccessor::ToolsSettingsAccessor()
+    : UpgradingSettingsAccessor("QtCreatorMesonTools",
+                                QCoreApplication::translate("MesonProjectManager::MesonToolManager",
+                                                            "Meson"),
+                                Core::Constants::IDE_DISPLAY_NAME)
+{
+    setBaseFilePath(Utils::FilePath::fromString(Core::ICore::userResourcePath())
+                        .pathAppended(Constants::ToolsSettings::FILENAME));
+}
+
+void ToolsSettingsAccessor::saveMesonTools(const std::vector<MesonTools::Tool_t> &tools,
+                                           QWidget *parent)
+{
+    using namespace Constants;
+    QVariantMap data;
+    int entry_count = 0;
+    std::for_each(std::cbegin(tools),
+                  std::cend(tools),
+                  [&data, &entry_count](const MesonTools::Tool_t &tool) {
+                      auto asMeson = std::dynamic_pointer_cast<MesonWrapper>(tool);
+                      if (asMeson)
+                          data.insert(entryName(entry_count), toVariantMap<MesonWrapper>(*asMeson));
+                      else {
+                          auto asNinja = std::dynamic_pointer_cast<NinjaWrapper>(tool);
+                          if (asNinja)
+                              data.insert(entryName(entry_count),
+                                          toVariantMap<NinjaWrapper>(*asNinja));
+                      }
+                      entry_count++;
+                  });
+    data.insert(ToolsSettings::ENTRY_COUNT, entry_count);
+    saveSettings(data, parent);
+}
+
+std::vector<MesonTools::Tool_t> ToolsSettingsAccessor::loadMesonTools(QWidget *parent)
+{
+    using namespace Constants;
+    auto data = restoreSettings(parent);
+    auto entry_count = data.value(ToolsSettings::ENTRY_COUNT, 0).toInt();
+    std::vector<MesonTools::Tool_t> result;
+    for (auto toolIndex = 0; toolIndex < entry_count; toolIndex++) {
+        auto name = entryName(toolIndex);
+        if (data.contains(name)) {
+            const auto map = data[name].toMap();
+            auto type = map.value(ToolsSettings::TOOL_TYPE_KEY, ToolsSettings::TOOL_TYPE_MESON);
+            if (type == ToolsSettings::TOOL_TYPE_NINJA)
+                result.emplace_back(fromVariantMap<NinjaWrapper *>(data[name].toMap()));
+            else
+                result.emplace_back(fromVariantMap<MesonWrapper *>(data[name].toMap()));
+        }
+    }
+    return result;
+}
+} // namespace Internal
+} // namespace MesonProjectManager