File indexing completed on 2024-05-12 04:06:26

 /*
     SPDX-FileCopyrightText: 2009-2011 Stefan Majewsky <majewsky@gmx.net>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "components.h"
 
 #include <KTar>
 
 Palapeli::ArchiveStorageComponent::ArchiveStorageComponent()
 {
 }
 
 Palapeli::PuzzleComponent* Palapeli::ArchiveStorageComponent::cast(Palapeli::PuzzleComponent::Type type) const
 {
     //any casting is done by first casting to DirectoryStorage
     if (type == DirectoryStorage)
     {
         //make archive available locally
         //open archive and extract into temporary directory
         KTar tar(puzzle()->location(), QStringLiteral("application/x-gzip"));
         if (!tar.open(QIODevice::ReadOnly))
             return nullptr;
         Palapeli::DirectoryStorageComponent* storage = new Palapeli::DirectoryStorageComponent;
         tar.directory()->copyTo(storage->directory());
         //cleanup
         tar.close();
         return storage;
     }
     else
     {
         const Palapeli::PuzzleComponent* dirStorage = puzzle()->get(DirectoryStorage);
         return dirStorage ? dirStorage->cast(type) : nullptr;
     }
 }
 
 Palapeli::ArchiveStorageComponent* Palapeli::ArchiveStorageComponent::fromData(Palapeli::Puzzle* puzzle)
 {
     puzzle->get(DirectoryStorage);
     const Palapeli::DirectoryStorageComponent* dirStorage = puzzle->component<Palapeli::DirectoryStorageComponent>();
     //compress archive to location
     KTar tar(puzzle->location(), QStringLiteral("application/x-gzip"));
     if (!tar.open(QIODevice::WriteOnly))
         return nullptr;
     if (!tar.addLocalDirectory(dirStorage->directory(), QStringLiteral(".")))
         return nullptr;
     if (!tar.close())
         return nullptr;
     //done
     return new Palapeli::ArchiveStorageComponent;
 }