136 lines
2.5 KiB
C++
136 lines
2.5 KiB
C++
/* Copyright 2013 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 <QtCore>
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class Library;
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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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RuleAction RuleAction_fromString(QString);
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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(Library * parent) = 0;
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public:
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Rule(RuleAction result)
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:m_result(result) {}
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virtual ~Rule(){};
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RuleAction apply(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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enum OpSys
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{
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Os_Windows,
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Os_Linux,
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Os_OSX,
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Os_Other
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};
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OpSys OpSys_fromString(QString);
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#ifdef Q_OS_MAC
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#define currentSystem Os_OSX
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#endif
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#ifdef Q_OS_LINUX
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#define currentSystem Os_Linux
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#endif
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#ifdef Q_OS_WIN32
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#define currentSystem Os_Windows
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#endif
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#ifndef currentSystem
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#define currentSystem Os_Other
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#endif
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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 ( Library* )
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{
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return (m_system == currentSystem);
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}
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public:
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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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class ImplicitRule : public Rule
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{
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protected:
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virtual bool applies ( Library* )
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{
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return true;
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}
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public:
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ImplicitRule(RuleAction result)
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: Rule(result) {}
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};
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class Library
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{
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public:
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QString base_url;
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QString name;
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QList<QSharedPointer<Rule> > rules;
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QMap<OpSys, QString> natives;
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QStringList extract_excludes;
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void AddRule(RuleAction result)
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{
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rules.append(QSharedPointer<Rule>(new ImplicitRule(result)));
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}
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void AddRule(RuleAction result, OpSys system, QString version_regexp)
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{
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rules.append(QSharedPointer<Rule>(new OsRule(result, system, version_regexp)));
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}
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bool applies()
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{
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if(rules.empty())
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return true;
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RuleAction result = Disallow;
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for(auto rule: rules)
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{
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RuleAction temp = rule->apply( this );
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if(temp != Defer)
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result = temp;
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}
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return result == Allow;
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}
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};
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