KiCad PCB EDA Suite
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json_settings_internals.h
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1/*
2 * This program source code file is part of KiCad, a free EDA CAD application.
3 *
4 * Copyright (C) 2021 Jon Evans <[email protected]>
5 * Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
6 *
7 * This program is free software: you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation, either version 3 of the License, or (at your
10 * option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * 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, see <http://www.gnu.org/licenses/>.
19 */
20
21#ifndef KICAD_JSON_SETTINGS_INTERNALS_H
22#define KICAD_JSON_SETTINGS_INTERNALS_H
23
24// This is a pretty heavy file. Try to use json_fwd.hpp most places.
25#include <nlohmann/json.hpp>
26
27class JSON_SETTINGS_INTERNALS : public nlohmann::json
28{
29 friend class JSON_SETTINGS;
30
31public:
33 nlohmann::json()
34 {}
35
41 static nlohmann::json::json_pointer PointerFromString( std::string aPath );
42
43 template<typename ValueType>
44 void SetFromString( const std::string& aPath, ValueType aVal )
45 {
46 // Calls the overload below, which will convert from dotted string to JSON pointer
47 ( *this )[aPath] = aVal;
48 }
49
50 template<typename ValueType>
51 ValueType Get( const std::string& aPath ) const
52 {
53 return at( PointerFromString( aPath ) ).get<ValueType>();
54 }
55
56 nlohmann::json& At( const std::string& aPath )
57 {
58 return at( PointerFromString( aPath ) );
59 }
60
61 nlohmann::json& operator[]( const nlohmann::json::json_pointer& aPointer )
62 {
63 return nlohmann::json::operator[]( aPointer );
64 }
65
66 nlohmann::json& operator[]( const std::string& aPath )
67 {
68 return nlohmann::json::operator[]( PointerFromString( aPath ) );
69 }
70
71 void CloneFrom( const JSON_SETTINGS_INTERNALS& aOther )
72 {
73 nlohmann::json::json_pointer root( "" );
74 this->nlohmann::json::operator[]( root ) = aOther.nlohmann::json::operator[]( root );
75 }
76
77private:
78
79 nlohmann::json m_original;
80};
81
82#endif // KICAD_JSON_SETTINGS_INTERNALS_H
nlohmann::json & At(const std::string &aPath)
static nlohmann::json::json_pointer PointerFromString(std::string aPath)
Builds a JSON pointer based on a given string.
nlohmann::json & operator[](const std::string &aPath)
nlohmann::json & operator[](const nlohmann::json::json_pointer &aPointer)
void SetFromString(const std::string &aPath, ValueType aVal)
void CloneFrom(const JSON_SETTINGS_INTERNALS &aOther)
ValueType Get(const std::string &aPath) const
nlohmann::json json
Definition: gerbview.cpp:46