summaryrefslogtreecommitdiffstats
path: root/api/logic/minecraft/Rule.h
blob: ef10a6c380bd18e990f4c4f34b64675e5203250f (plain)
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
96
97
98
99
100
101
/* Copyright 2013-2019 MultiMC Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <QString>
#include <QList>
#include <QJsonObject>
#include <memory>
#include "OpSys.h"

class Library;
class Rule;

enum RuleAction
{
    Allow,
    Disallow,
    Defer
};

QList<std::shared_ptr<Rule>> rulesFromJsonV4(const QJsonObject &objectWithRules);

class Rule
{
protected:
    RuleAction m_result;
    virtual bool applies(const Library *parent) = 0;

public:
    Rule(RuleAction result) : m_result(result)
    {
    }
    virtual ~Rule() {};
    virtual QJsonObject toJson() = 0;
    RuleAction apply(const Library *parent)
    {
        if (applies(parent))
            return m_result;
        else
            return Defer;
    }
};

class OsRule : public Rule
{
private:
    // the OS
    OpSys m_system;
    // the OS version regexp
    QString m_version_regexp;

protected:
    virtual bool applies(const Library *)
    {
        return (m_system == currentSystem);
    }
    OsRule(RuleAction result, OpSys system, QString version_regexp)
        : Rule(result), m_system(system), m_version_regexp(version_regexp)
    {
    }

public:
    virtual QJsonObject toJson();
    static std::shared_ptr<OsRule> create(RuleAction result, OpSys system,
                                          QString version_regexp)
    {
        return std::shared_ptr<OsRule>(new OsRule(result, system, version_regexp));
    }
};

class ImplicitRule : public Rule
{
protected:
    virtual bool applies(const Library *)
    {
        return true;
    }
    ImplicitRule(RuleAction result) : Rule(result)
    {
    }

public:
    virtual QJsonObject toJson();
    static std::shared_ptr<ImplicitRule> create(RuleAction result)
    {
        return std::shared_ptr<ImplicitRule>(new ImplicitRule(result));
    }
};