102 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			102 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* Copyright 2013-2021 MultiMC Contributors
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *     http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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#pragma once
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#include <QString>
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#include <QList>
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#include <QJsonObject>
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#include <memory>
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#include "OpSys.h"
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class Library;
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class Rule;
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enum RuleAction
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{
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    Allow,
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    Disallow,
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    Defer
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};
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QList<std::shared_ptr<Rule>> rulesFromJsonV4(const QJsonObject &objectWithRules);
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class Rule
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{
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protected:
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    RuleAction m_result;
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    virtual bool applies(const Library *parent) = 0;
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public:
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    Rule(RuleAction result) : m_result(result)
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    {
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    }
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    virtual ~Rule() {};
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    virtual QJsonObject toJson() = 0;
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    RuleAction apply(const Library *parent)
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    {
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        if (applies(parent))
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            return m_result;
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        else
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            return Defer;
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    }
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};
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class OsRule : public Rule
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{
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private:
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    // the OS
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    OpSys m_system;
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    // the OS version regexp
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    QString m_version_regexp;
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protected:
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    virtual bool applies(const Library *)
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    {
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        return (m_system == currentSystem);
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    }
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    OsRule(RuleAction result, OpSys system, QString version_regexp)
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        : Rule(result), m_system(system), m_version_regexp(version_regexp)
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    {
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    }
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public:
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    virtual QJsonObject toJson();
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    static std::shared_ptr<OsRule> create(RuleAction result, OpSys system,
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                                          QString version_regexp)
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    {
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        return std::shared_ptr<OsRule>(new OsRule(result, system, version_regexp));
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    }
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};
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class ImplicitRule : public Rule
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{
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protected:
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    virtual bool applies(const Library *)
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    {
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        return true;
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    }
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    ImplicitRule(RuleAction result) : Rule(result)
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    {
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    }
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public:
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    virtual QJsonObject toJson();
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    static std::shared_ptr<ImplicitRule> create(RuleAction result)
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    {
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        return std::shared_ptr<ImplicitRule>(new ImplicitRule(result));
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    }
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};
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