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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "common/overflow.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/vfs/vfs.h"
namespace FileSys {
class IStorage : public VfsFile {
public:
virtual std::string GetName() const override {
return {};
}
virtual VirtualDir GetContainingDirectory() const override {
return {};
}
virtual bool IsWritable() const override {
return true;
}
virtual bool IsReadable() const override {
return true;
}
virtual bool Resize(size_t size) override {
return false;
}
virtual bool Rename(std::string_view name) override {
return false;
}
static inline Result CheckAccessRange(s64 offset, s64 size, s64 total_size) {
R_UNLESS(offset >= 0, ResultInvalidOffset);
R_UNLESS(size >= 0, ResultInvalidSize);
R_UNLESS(Common::WrappingAdd(offset, size) >= offset, ResultOutOfRange);
R_UNLESS(offset + size <= total_size, ResultOutOfRange);
R_SUCCEED();
}
};
class IReadOnlyStorage : public IStorage {
public:
virtual bool IsWritable() const override {
return false;
}
virtual size_t Write(const u8* buffer, size_t size, size_t offset) override {
return 0;
}
};
} // namespace FileSys
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