CppTools: Move ProjectPart in its own header file

Also extracting inline HeaderPath class and change projects list in vector
because the size is  larger than a pointer.

Change-Id: I885fdff3fe9bccc877634d1615249755f5b674fd
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

src/plugins/cpptools/projectpartheaderpath.h

@@ -0,0 +1,87 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://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 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 PROJECTPARTHEADERPATH_H
+#define PROJECTPARTHEADERPATH_H
+
+#include <QVector>
+
+namespace CppTools {
+
+struct ProjectPartHeaderPath {
+    enum Type {
+        InvalidPath,
+        IncludePath,
+        FrameworkPath
+    };
+
+public:
+    QString path;
+    Type type;
+
+    ProjectPartHeaderPath()
+        : type(InvalidPath)
+    {}
+
+    ProjectPartHeaderPath(const QString &path, Type type)
+        : path(path),
+          type(type)
+    {}
+
+    bool isValid() const
+    {
+        return type != InvalidPath;
+    }
+
+    bool isFrameworkPath() const
+    {
+        return type == FrameworkPath;
+    }
+
+    bool operator==(const ProjectPartHeaderPath &other) const
+    {
+        return path == other.path
+            && type == other.type;
+    }
+
+    bool operator!=(const ProjectPartHeaderPath &other) const
+    {
+        return !(*this == other);
+    }
+};
+
+using ProjectPartHeaderPaths = QVector<ProjectPartHeaderPath>;
+
+inline uint qHash(const ProjectPartHeaderPath &key, uint seed = 0)
+{
+    return ((qHash(key.path) << 2) | key.type) ^ seed;
+}
+} // namespace CppTools
+#endif // PROJECTPARTHEADERPATH_H