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/* Copyright 2013-2018 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));
}
};
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