New IncrediBuild plugin

- Using raw pointers instead of QSharedPointers.
- Removing redundant pointers existence checks before delete.
- Replacing empty quotes with explicit QString() instance creation.
- A few spaces and tab fixes.
- Save settings after migrating build steps

Change-Id: Iff87d75c7047474ab8e49366ddfeced766ff1a67
Reviewed-by: David Schulz <david.schulz@qt.io>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/incredibuild/commandbuilder.h

@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** 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.
+**
+****************************************************************************/
+
+#pragma once
+
+#include <projectexplorer/buildsteplist.h>
+
+#include <QObject>
+
+namespace IncrediBuild {
+namespace Internal {
+
+class CommandBuilder
+{
+public:
+    CommandBuilder(ProjectExplorer::BuildStep *buildStep) : m_buildStep(buildStep) {}
+    virtual ~CommandBuilder() = default;
+
+    virtual bool canMigrate(ProjectExplorer::BuildStepList*) { return false; }
+
+    ProjectExplorer::BuildStep* buildStep() { return m_buildStep; }
+
+    virtual QString displayName() const { return QString("Custom Command"); }
+
+    virtual bool fromMap(const QVariantMap &map);
+    virtual void toMap(QVariantMap *map) const;
+
+    virtual QString defaultCommand() { return QString(); }
+    virtual QStringList defaultArguments() { return QStringList(); }
+    virtual QString setMultiProcessArg(QString args) { return args; }
+
+    void reset();
+
+    QString command() { return m_command.isEmpty() ? defaultCommand() : m_command; }
+    void command(const QString &command) { m_command = command; }
+
+    QStringList arguments() { return m_argsSet ? m_args : defaultArguments(); }
+    void arguments(const QStringList &arguments) { m_args = arguments; m_argsSet = !arguments.isEmpty(); }
+    void arguments(const QString &arguments);
+
+    bool keepJobNum() const { return m_keepJobNum; }
+    void keepJobNum(bool keepJobNum) { m_keepJobNum = keepJobNum; }
+
+    QString fullCommandFlag();
+
+private:
+    ProjectExplorer::BuildStep *m_buildStep{};
+    QString m_command{};
+    QStringList m_args{};
+    bool m_argsSet{false}; // Args may be overridden to empty
+    bool m_keepJobNum{false};
+};
+
+} // namespace Internal
+} // namespace IncrediBuild