119 lines
2.8 KiB
C++
119 lines
2.8 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2021 Olive Team
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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 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef PROJECTSERIALIZER_H
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#define PROJECTSERIALIZER_H
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#include <QIODevice>
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#include "common/define.h"
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#include "node/project/project.h"
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namespace olive {
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/**
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* @brief An abstract base class for serializing/deserializing project data
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*
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* The goal of this is to further abstract serialized project data from their
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* in-memory representations.
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*/
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class ProjectSerializer
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{
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public:
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ProjectSerializer() = default;
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virtual ~ProjectSerializer(){};
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DISABLE_COPY_MOVE(ProjectSerializer)
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enum ResultCode {
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kSuccess,
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kProjectTooOld,
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kProjectTooNew,
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kUnknownVersion,
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kFileError,
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kXmlError,
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kOverwriteError,
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};
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class Result
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{
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public:
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Result(const ResultCode &code) :
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code_(code)
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{}
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bool operator==(const ResultCode &code) { return code_ == code; }
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bool operator!=(const ResultCode &code) { return code_ != code; }
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const ResultCode &code() const
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{
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return code_;
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}
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const QString &GetDetails() const
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{
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return details_;
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}
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void SetDetails(const QString &s)
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{
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details_ = s;
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}
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private:
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ResultCode code_;
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QString details_;
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};
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static void Initialize();
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static void Destroy();
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static Result Load(Project *project, const QString &filename);
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static Result Load(Project *project, QXmlStreamReader *read_device);
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static Result Save(Project *project, const QString &filename, const QVector<Node*> &only = QVector<Node*>());
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static Result Save(Project *project, QXmlStreamWriter *write_device, const QString &filename, const QVector<Node*> &only = QVector<Node*>());
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static Result Save(Project *project, QXmlStreamWriter *write_device, const QVector<Node*> &only = QVector<Node*>())
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{
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return Save(project, write_device, QString(), only);
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}
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protected:
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virtual void Load(Project *project, QXmlStreamReader *reader, void *reserved) const = 0;
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virtual void Save(Project *project, QXmlStreamWriter *writer, const QVector<Node*> &only, void *reserved) const {}
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virtual uint Version() const = 0;
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bool IsCancelled() const;
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private:
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static QVector<ProjectSerializer*> instances_;
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};
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}
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#endif // PROJECTSERIALIZER_H
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