81 lines
2.1 KiB
C++
81 lines
2.1 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 <QObject>
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#include <QMap>
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#include <QList>
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#include "InstanceVersion.h"
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class InstVersion;
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class BaseInstance;
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/*!
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* The \bInstanceFactory\b is a singleton that manages loading and creating instances.
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*/
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class InstanceFactory : public QObject
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{
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Q_OBJECT
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public:
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/*!
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* \brief Gets a reference to the instance loader.
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*/
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static InstanceFactory &get() { return loader; }
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enum InstLoadError
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{
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NoLoadError = 0,
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UnknownLoadError,
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NotAnInstance
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};
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enum InstCreateError
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{
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NoCreateError = 0,
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NoSuchVersion,
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UnknownCreateError,
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InstExists,
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CantCreateDir
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};
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/*!
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* \brief Creates a stub instance
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*
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* \param inst Pointer to store the created instance in.
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* \param instDir The instance's directory.
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* \return An InstCreateError error code.
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* - InstExists if the given instance directory is already an instance.
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* - CantCreateDir if the given instance directory cannot be created.
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*/
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InstCreateError createInstance(BaseInstance *&inst, InstVersionPtr version, const QString &instDir);
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/*!
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* \brief Loads an instance from the given directory.
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* Checks the instance's INI file to figure out what the instance's type is first.
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* \param inst Pointer to store the loaded instance in.
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* \param instDir The instance's directory.
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* \return An InstLoadError error code.
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* - NotAnInstance if the given instance directory isn't a valid instance.
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*/
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InstLoadError loadInstance(BaseInstance *&inst, const QString &instDir);
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private:
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InstanceFactory();
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static InstanceFactory loader;
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};
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