102 lines
2.5 KiB
C++
102 lines
2.5 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 "RuntimeContext.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, const RuntimeContext & runtimeContext) = 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, const RuntimeContext & runtimeContext)
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{
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if (applies(parent, runtimeContext))
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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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QString 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 *, const RuntimeContext & runtimeContext)
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{
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return runtimeContext.classifierMatches(m_system);
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}
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OsRule(RuleAction result, QString 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, QString 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 *, const RuntimeContext & runtimeContext)
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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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