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4da1ce8404
Run clang-tidy modernize-use-override to remove all the redundant virtual keywords from overridden methods, and add some missing overrides. Another benefit is that this has also added the overrides on destructors, which will cause a build failure if a base class is missing a virtual destructor.
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/***************************************************************************
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qgsversionmigration.h - QgsVersionMigration
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---------------------
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begin : 30.7.2017
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copyright : (C) 2017 by nathan
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email : woodrow.nathan at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSVERSIONMIGRATION_H
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#define QGSVERSIONMIGRATION_H
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#include "qgis_app.h"
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#include "qgserror.h"
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#include <QSettings>
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class QgsSettings;
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/**
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* Version migration class used to transfer settings, etc between major versions.
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* \note Not everything can be translated and depends on the from and to versions.
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*/
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class APP_EXPORT QgsVersionMigration
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{
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public:
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QgsVersionMigration() = default;
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virtual ~QgsVersionMigration() = default;
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/**
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* Check if two version has a migration options.
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* \param fromVersion The version migrating from.
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* \param toVersion The version migrating to.
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* @return
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*/
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static QgsVersionMigration *canMigrate( int fromVersion, int toVersion );
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/**
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* Run the version migration to convert between versions.
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* @return QgsError containing any error messages when running the conversion.
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*/
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virtual QgsError runMigration() = 0;
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virtual bool requiresMigration() = 0;
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};
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class Qgs2To3Migration : public QgsVersionMigration
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{
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public:
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QgsError runMigration() override;
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bool requiresMigration() override;
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private:
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QgsError migrateStyles();
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QgsError migrateSettings();
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QgsError migrateAuthDb();
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QList<QPair<QString, QString>> walk( QString group, QString newkey );
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QPair<QString, QString> transformKey( QString fullOldKey, QString newKeyPart );
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QString migrationFilePath();
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int mMigrationFileVersion;
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QSettings *mOldSettings;
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};
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#endif // QGSVERSIONMIGRATION_H
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