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+/* Copyright 2013-2015 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));
+ }
+};