source: finroc_plugins_composite_ports/interface_types.cpp

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Last change on this file was 27:c52e11111455, checked in by Max Reichardt <mreichardt@…>, 6 months ago

Adds IsDerivedFrom utility function

File size: 3.3 KB
Line 
1//
2// You received this file as part of Finroc
3// A framework for intelligent robot control
4//
5// Copyright (C) Finroc GbR (finroc.org)
6//
7// This program is free software; you can redistribute it and/or modify
8// it under the terms of the GNU General Public License as published by
9// the Free Software Foundation; either version 2 of the License, or
10// (at your option) any later version.
11//
12// This program is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16//
17// You should have received a copy of the GNU General Public License along
18// with this program; if not, write to the Free Software Foundation, Inc.,
19// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20//
21//----------------------------------------------------------------------
22/*!\file    plugins/composite_ports/interface_types.cpp
23 *
24 * \author  Max Reichardt
25 *
26 * \date    2021-03-20
27 *
28 */
29//----------------------------------------------------------------------
30#include "plugins/composite_ports/interface_types.h"
31
32//----------------------------------------------------------------------
33// External includes (system with <>, local with "")
34//----------------------------------------------------------------------
35
36//----------------------------------------------------------------------
37// Internal includes with ""
38//----------------------------------------------------------------------
39
40//----------------------------------------------------------------------
41// Debugging
42//----------------------------------------------------------------------
43#include <cassert>
44
45//----------------------------------------------------------------------
46// Namespace usage
47//----------------------------------------------------------------------
48
49//----------------------------------------------------------------------
50// Namespace declaration
51//----------------------------------------------------------------------
52namespace finroc
53{
54namespace composite_ports
55{
56
57//----------------------------------------------------------------------
58// Forward declarations / typedefs / enums
59//----------------------------------------------------------------------
60
61//----------------------------------------------------------------------
62// Const values
63//----------------------------------------------------------------------
64
65//----------------------------------------------------------------------
66// Implementation
67//----------------------------------------------------------------------
68bool IsDerivedFrom(const rrlib::rtti::tType& base_type, const rrlib::rtti::tType& type)
69{
70  if (IsInterfaceType(type) && IsInterfaceType(base_type))
71  {
72    rrlib::rtti::tType type_to_check = type;
73    while (type_to_check)
74    {
75      if (type_to_check == base_type)
76      {
77        return true;
78      }
79      rrlib::rtti::tType parent_type = type_to_check.GetUnderlyingType();
80      if ((!parent_type) || parent_type == type_to_check)
81      {
82        return false;
83      }
84      type_to_check = parent_type;
85    }
86  }
87  return false;
88}
89
90//----------------------------------------------------------------------
91// End of namespace declaration
92//----------------------------------------------------------------------
93}
94}
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