122 lines
3.6 KiB
C++
122 lines
3.6 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 "libmmc_config.h"
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class InstVersionList;
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/*!
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* An abstract base class for instance versions.
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* InstVersions hold information about versions such as their names, identifiers,
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* types, etc.
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*/
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class LIBMULTIMC_EXPORT InstVersion : public QObject
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{
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Q_OBJECT
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/*!
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* A string used to identify this version in config files.
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* This should be unique within the version list or shenanigans will occur.
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*/
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Q_PROPERTY(QString descriptor READ descriptor CONSTANT)
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/*!
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* The name of this version as it is displayed to the user.
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* For example: "1.5.1"
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*/
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Q_PROPERTY(QString name READ name)
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/*!
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* The name of this version's type as it is displayed to the user.
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* For example: "Latest Version", "Snapshot", or "MCNostalgia"
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*/
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Q_PROPERTY(QString typeName READ typeName)
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/*!
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* Gets the version's timestamp.
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* This is primarily used for sorting versions in a list.
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*/
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Q_PROPERTY(qint64 timestamp READ timestamp)
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public:
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/*!
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* \brief Constructs a new InstVersion with the given parent.
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* The parent *must* be the InstVersionList that contains this InstVersion.
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* The InstVersion will be added to the list immediately after being created.
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*/
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explicit InstVersion(const QString &descriptor,
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const QString &name,
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qint64 timestamp,
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InstVersionList *parent = 0);
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/*!
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* Copy constructor.
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* If the 'parent' parameter is not NULL, sets this version's parent to the
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* specified object, rather than setting it to the same parent as the version
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* we're copying from.
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* \param other The version to copy.
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* \param parent If not NULL, will be set as the new version object's parent.
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*/
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InstVersion(const InstVersion &other, QObject *parent = 0);
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virtual QString descriptor() const;
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virtual QString name() const;
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virtual QString typeName() const = 0;
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virtual qint64 timestamp() const;
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virtual InstVersionList *versionList() const;
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/*!
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* Creates a copy of this version with a different parent.
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* \param newParent The parent QObject of the copy.
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* \return A new, identical copy of this version with the given parent set.
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*/
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virtual InstVersion *copyVersion(InstVersionList *newParent) const = 0;
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/*!
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* Checks if this version is less (older) than the given version.
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* \param other The version to compare this one to.
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* \return True if this version is older than the given version.
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*/
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virtual bool isLessThan(const InstVersion &other) const;
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/*!
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* Checks if this version is greater (newer) than the given version.
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* \param other The version to compare this one to.
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* \return True if this version is newer than the given version.
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*/
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virtual bool isGreaterThan(const InstVersion &other) const;
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/*!
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* \sa shouldSortBefore()
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*/
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virtual bool operator<(const InstVersion &rhs) { return isLessThan(rhs); }
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/*!
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* \sa shouldSortAfter()
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*/
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virtual bool operator>(const InstVersion &rhs) { return isGreaterThan(rhs); }
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protected:
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QString m_descriptor;
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QString m_name;
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qint64 m_timestamp;
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};
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