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authorPetr Mrázek <peterix@gmail.com>2013-08-17 13:40:51 +0200
committerPetr Mrázek <peterix@gmail.com>2013-08-17 13:40:51 +0200
commit253067c782955380bbf66ac0475dc954375b1ff4 (patch)
treeca97e231fd3a764256d95b5fc8d08fc25ff72161 /logic/InstanceFactory.h
parent77e80665422c4e97e2286418ab55e20c4030023b (diff)
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Move all the things (YES. Move them.)
Also, implemented some basic modlist logic, to be wired up.
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+/* Copyright 2013 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 <QObject>
+#include <QMap>
+#include <QList>
+
+#include "InstanceVersion.h"
+
+class InstVersion;
+class BaseInstance;
+
+/*!
+ * The \bInstanceFactory\b is a singleton that manages loading and creating instances.
+ */
+class InstanceFactory : public QObject
+{
+ Q_OBJECT
+public:
+ /*!
+ * \brief Gets a reference to the instance loader.
+ */
+ static InstanceFactory &get() { return loader; }
+
+ enum InstLoadError
+ {
+ NoLoadError = 0,
+ UnknownLoadError,
+ NotAnInstance
+ };
+
+ enum InstCreateError
+ {
+ NoCreateError = 0,
+ NoSuchVersion,
+ UnknownCreateError,
+ InstExists,
+ CantCreateDir
+ };
+
+ /*!
+ * \brief Creates a stub instance
+ *
+ * \param inst Pointer to store the created instance in.
+ * \param instDir The instance's directory.
+ * \return An InstCreateError error code.
+ * - InstExists if the given instance directory is already an instance.
+ * - CantCreateDir if the given instance directory cannot be created.
+ */
+ InstCreateError createInstance(BaseInstance *&inst, InstVersionPtr version, const QString &instDir);
+
+ /*!
+ * \brief Loads an instance from the given directory.
+ * Checks the instance's INI file to figure out what the instance's type is first.
+ * \param inst Pointer to store the loaded instance in.
+ * \param instDir The instance's directory.
+ * \return An InstLoadError error code.
+ * - NotAnInstance if the given instance directory isn't a valid instance.
+ */
+ InstLoadError loadInstance(BaseInstance *&inst, const QString &instDir);
+
+private:
+ InstanceFactory();
+
+ static InstanceFactory loader;
+};