Flesh out generators API

This puts in place some of the infrastructure needed by subsequent
commits that will introduce the Visual Studio and Xcode generators.

Change-Id: Ic8f127acef5c26e26edb7083ebd423848d81a6ff
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

1 files changed, 97 insertions, 0 deletions

diff --git a/src/lib/corelib/generators/igeneratableprojectvisitor.h b/src/lib/corelib/generators/igeneratableprojectvisitor.h
new file mode 100644
index 000000000..d805d878f
--- /dev/null
+++ b/src/lib/corelib/generators/igeneratableprojectvisitor.h
@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing
+**
+** This file is part of Qbs.
+**
+** 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 http://www.qt.io/terms-conditions. For further information
+** use the contact form at http://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 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, The Qt Company gives you certain additional
+** rights.  These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef IGENERATABLEPROJECTVISITOR_H
+#define IGENERATABLEPROJECTVISITOR_H
+
+#include "generatordata.h"
+
+namespace qbs {
+
+class IGeneratableProjectVisitor {
+public:
+    // Collapsed configurations
+    virtual void visitProject(const GeneratableProject &project) {
+        Q_UNUSED(project);
+    }
+
+    virtual void visitProjectData(const GeneratableProject &project,
+                                  const GeneratableProjectData &parentProjectData,
+                                  const GeneratableProjectData &projectData) {
+        Q_UNUSED(project);
+        Q_UNUSED(parentProjectData);
+        Q_UNUSED(projectData);
+    }
+
+    virtual void visitProjectData(const GeneratableProject &project,
+                                  const GeneratableProjectData &projectData) {
+        Q_UNUSED(project);
+        Q_UNUSED(projectData);
+    }
+
+    virtual void visitProduct(const GeneratableProject &project,
+                              const GeneratableProjectData &projectData,
+                              const GeneratableProductData &productData) {
+        Q_UNUSED(project);
+        Q_UNUSED(projectData);
+        Q_UNUSED(productData);
+    }
+
+    // Expanded configurations
+    virtual void visitProject(const qbs::Project &project,
+                              const QString &configuration) {
+        Q_UNUSED(project);
+        Q_UNUSED(configuration);
+    }
+
+    virtual void visitProjectData(const qbs::ProjectData &parentProjectData,
+                                  const qbs::ProjectData &projectData,
+                                  const QString &configuration) {
+        Q_UNUSED(parentProjectData);
+        Q_UNUSED(projectData);
+        Q_UNUSED(configuration);
+    }
+
+    virtual void visitProjectData(const qbs::ProjectData &projectData,
+                                  const QString &configuration) {
+        Q_UNUSED(projectData);
+        Q_UNUSED(configuration);
+    }
+
+    virtual void visitProduct(const qbs::ProductData &productData,
+                              const QString &configuration) {
+        Q_UNUSED(productData);
+        Q_UNUSED(configuration);
+    }
+};
+
+} // namespace qbs
+
+#endif // IGENERATABLEPROJECTVISITOR_H