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Xenia-Canary/src/xenia/vfs/devices/disc_zarchive_device.h

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2.3 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2023 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#ifndef XENIA_VFS_DEVICES_DISC_ZARCHIVE_DEVICE_H_
#define XENIA_VFS_DEVICES_DISC_ZARCHIVE_DEVICE_H_
#include <memory>
#include <string>
#include "xenia/base/mapped_memory.h"
#include "xenia/vfs/device.h"
#include "third_party/zarchive/include/zarchive/zarchivereader.h"
namespace xe {
namespace vfs {
const fourcc_t kZarMagic = make_fourcc((_ZARCHIVE::Footer::kMagic >> 24 & 0xFF),
(_ZARCHIVE::Footer::kMagic >> 16 & 0xFF),
(_ZARCHIVE::Footer::kMagic >> 8 & 0xFF),
(_ZARCHIVE::Footer::kMagic & 0xFF));
class DiscZarchiveEntry;
class DiscZarchiveDevice : public Device {
public:
DiscZarchiveDevice(const std::string_view mount_path,
const std::filesystem::path& host_path);
~DiscZarchiveDevice() override;
bool Initialize() override;
void Dump(StringBuffer* string_buffer) override;
Entry* ResolvePath(const std::string_view path) override;
const std::string& name() const override { return name_; }
uint32_t attributes() const override { return 0; }
uint32_t component_name_max_length() const override { return 255; }
uint32_t total_allocation_units() const override { return 128 * 1024; }
uint32_t available_allocation_units() const override { return 0; }
uint32_t sectors_per_allocation_unit() const override { return 1; }
uint32_t bytes_per_sector() const override { return 0x200; }
ZArchiveReader* reader() const { return reader_.get(); }
private:
bool ReadAllEntries(const std::string& path, DiscZarchiveEntry* node,
DiscZarchiveEntry* parent);
std::string name_;
std::filesystem::path host_path_;
std::unique_ptr<Entry> root_entry_;
std::unique_ptr<ZArchiveReader> reader_;
};
} // namespace vfs
} // namespace xe
#endif // XENIA_VFS_DEVICES_DISC_ZARCHIVE_DEVICE_H_