NOISSUE Flatten gui and logic libraries into MultiMC

launcher/minecraft/Rule.h

@@ -0,0 +1,101 @@
+/* Copyright 2013-2021 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));
+    }
+};