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85 lines
3.2 KiB
C++
85 lines
3.2 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <memory>
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#include <string>
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#include "common/common_types.h"
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#include "core/file_sys/archive_backend.h"
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#include "core/hle/result.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// FileSys namespace
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namespace FileSys {
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/// File system interface to the ExtSaveData archive
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class ArchiveFactory_ExtSaveData final : public ArchiveFactory {
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public:
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ArchiveFactory_ExtSaveData(const std::string& mount_point, bool shared);
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/**
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* Initialize the archive.
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* @return true if it initialized successfully
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*/
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bool Initialize();
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std::string GetName() const override { return "ExtSaveData"; }
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ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
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ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
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ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
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const std::string& GetMountPoint() const { return mount_point; }
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/**
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* Writes the SMDH icon of the ExtSaveData to file
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* @param path Path of this ExtSaveData
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* @param icon_data Binary data of the icon
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* @param icon_size Size of the icon data
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*/
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void WriteIcon(const Path& path, const u8* icon_data, size_t icon_size);
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private:
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bool shared; ///< Whether this archive represents an ExtSaveData archive or a SharedExtSaveData archive
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/**
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* This holds the full directory path for this archive, it is only set after a successful call
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* to Open, this is formed as <base extsavedatapath>/<type>/<high>/<low>.
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* See GetExtSaveDataPath for the code that extracts this data from an archive path.
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*/
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std::string mount_point;
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};
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/**
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* Constructs a path to the concrete ExtData archive in the host filesystem based on the
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* input Path and base mount point.
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* @param mount_point The base mount point of the ExtSaveData archives.
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* @param path The path that identifies the requested concrete ExtSaveData archive.
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* @returns The complete path to the specified extdata archive in the host filesystem
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*/
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std::string GetExtSaveDataPath(const std::string& mount_point, const Path& path);
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/**
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* Constructs a path to the base folder to hold concrete ExtSaveData archives in the host file system.
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* @param mount_point The base folder where this folder resides, ie. SDMC or NAND.
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* @param shared Whether this ExtSaveData container is for SharedExtSaveDatas or not.
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* @returns The path to the base ExtSaveData archives' folder in the host file system
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*/
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std::string GetExtDataContainerPath(const std::string& mount_point, bool shared);
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/**
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* Constructs a FileSys::Path object that refers to the ExtData archive identified by
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* the specified media type, high save id and low save id.
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* @param media_type The media type where the archive is located (NAND / SDMC)
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* @param high The high word of the save id for the archive
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* @param low The low word of the save id for the archive
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* @returns A FileSys::Path to the wanted archive
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*/
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Path ConstructExtDataBinaryPath(u32 media_type, u32 high, u32 low);
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} // namespace FileSys
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