1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* Copyright © 2017-2020 Wellington Wallace
*
* This file is part of PulseEffects.
*
* PulseEffects is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PulseEffects is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PulseEffects. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PLUGIN_PRESET_BASE_HPP
#define PLUGIN_PRESET_BASE_HPP
#include <giomm/settings.h>
#include <boost/property_tree/ptree.hpp>
#include <iostream>
#include "preset_type.hpp"
class PluginPresetBase {
public:
PluginPresetBase() {}
virtual ~PluginPresetBase() {}
virtual void write(PresetType preset_type, boost::property_tree::ptree& root) = 0;
virtual void read(PresetType preset_type, const boost::property_tree::ptree& root) = 0;
protected:
virtual void save(boost::property_tree::ptree& root,
const std::string& section,
const Glib::RefPtr<Gio::Settings>& settings) = 0;
virtual void load(const boost::property_tree::ptree& root,
const std::string& section,
const Glib::RefPtr<Gio::Settings>& settings) = 0;
template <typename T>
T get_default(const Glib::RefPtr<Gio::Settings>& settings,
const std::string& key) {
Glib::Variant<T> value;
settings->get_default_value(key, value);
return value.get();
}
template <typename T>
void update_key(const boost::property_tree::ptree& root,
const Glib::RefPtr<Gio::Settings>& settings,
const std::string& key,
const std::string& json_key) {
Glib::Variant<T> aux;
settings->get_value(key, aux);
T current_value = aux.get();
T new_value = root.get<T>(json_key, get_default<T>(settings, key));
if (is_different(current_value, new_value)) {
auto v = Glib::Variant<T>::create(new_value);
settings->set_value(key, v);
}
}
void update_string_key(const boost::property_tree::ptree& root,
const Glib::RefPtr<Gio::Settings>& settings,
const std::string& key,
const std::string& json_key) {
std::string current_value = settings->get_string(key);
std::string new_value = root.get<std::string>(
json_key, get_default<std::string>(settings, key));
if (current_value != new_value) {
settings->set_string(key, new_value);
}
}
private:
template <typename T>
bool is_different(const T& a, const T& b) {
return a != b;
}
};
#endif
|
