start implementing serializers
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@@ -21,11 +21,8 @@
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#include "load.h"
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#include <QApplication>
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#include <QFile>
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#include <QXmlStreamReader>
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#include "common/xmlutils.h"
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#include "core.h"
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#include "node/project/serializer/serializer.h"
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namespace olive {
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@@ -36,78 +33,42 @@ ProjectLoadTask::ProjectLoadTask(const QString &filename) :
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bool ProjectLoadTask::Run()
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{
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QFile project_file(GetFilename());
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project_ = new Project();
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if (project_file.open(QFile::ReadOnly | QFile::Text)) {
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QXmlStreamReader reader(&project_file);
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project_->set_filename(GetFilename());
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uint project_version = 0;
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ProjectSerializer::Result result = ProjectSerializer::Load(project_, GetFilename());
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while (XMLReadNextStartElement(&reader)) {
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if (reader.name() == QStringLiteral("olive")) {
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while(XMLReadNextStartElement(&reader)) {
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if (reader.name() == QStringLiteral("version")) {
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bool ok;
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project_version = reader.readElementText().toUInt(&ok);
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if (!ok) {
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SetError(tr("Failed to parse project version."));
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return false;
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} else if (project_version > Project::kProjectVersion) {
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// Project is newer than we support
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SetError(tr("This project is from a newer version of Olive and cannot be opened in this version."));
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return false;
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} else if (project_version < Project::kProjectMinimumVersion) { // Change this if we drop support for a project version
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// Project is older than we support
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SetError(tr("This project is from a version of Olive that is no longer supported in this version."));
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return false;
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}
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} else if (reader.name() == QStringLiteral("url")) {
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project_saved_url_ = reader.readElementText();
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} else if (reader.name() == QStringLiteral("project")) {
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if (project_version == 0) {
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// Failed to find project version, throw error before we create project
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SetError(tr("Failed to find project version."));
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return false;
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}
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project_ = new Project();
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project_->set_filename(GetFilename());
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project_->Load(&reader, &layout_info_, project_version, &IsCancelled());
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// Ensure project is in main thread
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project_->moveToThread(qApp->thread());
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break;
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} else {
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reader.skipCurrentElement();
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}
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}
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} else if (reader.name() == QStringLiteral("project")) {
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// 0.1 projects use "project" as the root instead of Olive. We don't currently support
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// these projects
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SetError(tr("This project is from a version of Olive that is no longer supported in this version."));
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return false;
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} else {
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reader.skipCurrentElement();
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}
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}
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project_file.close();
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emit ProgressChanged(1);
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if (reader.hasError()) {
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SetError(reader.errorString());
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return false;
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} else {
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return true;
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}
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} else {
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switch (result.code()) {
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case ProjectSerializer::kSuccess:
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break;
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case ProjectSerializer::kProjectTooOld:
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SetError(tr("This project is from a version of Olive that is no longer supported in this version."));
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break;
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case ProjectSerializer::kProjectTooNew:
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SetError(tr("This project is from a newer version of Olive and cannot be opened in this version."));
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break;
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case ProjectSerializer::kUnknownVersion:
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SetError(tr("Failed to determine project version."));
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break;
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case ProjectSerializer::kFileError:
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SetError(tr("Failed to read file \"%1\" for reading.").arg(GetFilename()));
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break;
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case ProjectSerializer::kXmlError:
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SetError(tr("Failed to read XML document. File may be corrupt. Error was: %1").arg(result.GetDetails()));
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break;
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// Errors that should never be thrown by a load
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case ProjectSerializer::kOverwriteError:
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SetError(tr("Unknown error."));
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break;
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}
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if (result == ProjectSerializer::kSuccess) {
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project_->moveToThread(qApp->thread());
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return true;
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} else {
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delete project_;
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return false;
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}
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}
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@@ -37,21 +37,6 @@ public:
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return project_;
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}
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MainWindowLayoutInfo GetLoadedLayout() const
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{
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return layout_info_;
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}
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/**
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* @brief Returns the filename the project was saved as, but not necessarily where it is now
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*
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* May help for resolving relative paths.
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*/
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const QString& GetFilenameProjectWasSavedAs() const
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{
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return project_saved_url_;
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}
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const QString& GetFilename() const
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{
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return filename_;
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@@ -60,10 +45,6 @@ public:
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protected:
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Project* project_;
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MainWindowLayoutInfo layout_info_;
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QString project_saved_url_;
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private:
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QString filename_;
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@@ -26,6 +26,7 @@
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#include "common/filefunctions.h"
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#include "core.h"
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#include "node/project/serializer/serializer.h"
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namespace olive {
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@@ -39,54 +40,35 @@ bool ProjectSaveTask::Run()
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{
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QString using_filename = override_filename_.isEmpty() ? project_->filename() : override_filename_;
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// File to temporarily save to (ensures we can't half-write the user's main file and crash)
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QString temp_save = FileFunctions::GetSafeTemporaryFilename(using_filename);
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ProjectSerializer::Result result = ProjectSerializer::Save(project_, using_filename);
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QFile project_file(temp_save);
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bool success = false;
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if (project_file.open(QFile::WriteOnly | QFile::Text)) {
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QXmlStreamWriter writer(&project_file);
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writer.setAutoFormatting(true);
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switch (result.code()) {
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case ProjectSerializer::kSuccess:
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success = true;
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break;
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case ProjectSerializer::kXmlError:
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SetError(tr("Failed to write XML data."));
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break;
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case ProjectSerializer::kFileError:
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SetError(tr("Failed to open file \"%1\" for writing.").arg(result.GetDetails()));
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break;
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case ProjectSerializer::kOverwriteError:
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SetError(tr("Failed to overwrite \"%1\". Project has been saved as \"%2\" instead.")
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.arg(using_filename, result.GetDetails()));
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success = true;
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break;
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writer.writeStartDocument();
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writer.writeStartElement("olive");
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// Version is stored in YYMMDD from whenever the project format was last changed
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// Allows easy integer math for checking project versions.
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writer.writeTextElement(QStringLiteral("version"), QString::number(Project::kProjectVersion));
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writer.writeTextElement("url", using_filename);
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writer.writeStartElement(QStringLiteral("project"));
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project_->Save(&writer);
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writer.writeEndElement(); // project
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writer.writeEndElement(); // olive
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writer.writeEndDocument();
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project_file.close();
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if (writer.hasError()) {
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SetError(tr("Failed to write XML data"));
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return false;
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}
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// Save was successful, we can now rewrite the original file
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if (FileFunctions::RenameFileAllowOverwrite(temp_save, using_filename)) {
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return true;
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} else {
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SetError(tr("Failed to overwrite \"%1\". Project has been saved as \"%2\" instead.")
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.arg(using_filename, temp_save));
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return false;
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}
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} else {
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SetError(tr("Failed to open temporary file \"%1\" for writing.").arg(temp_save));
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return false;
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// Errors that should never be thrown by a save
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case ProjectSerializer::kProjectTooNew:
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case ProjectSerializer::kProjectTooOld:
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case ProjectSerializer::kUnknownVersion:
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SetError(tr("Unknown error."));
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break;
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}
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return success;
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}
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}
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