51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
#pragma once
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#include <cstdint>
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#include <filesystem>
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#include <string>
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#include <string_view>
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#include "nf7.hh"
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namespace nf7 {
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class NativeFile final : public nf7::Context {
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public:
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enum Flag : uint8_t {
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kRead = 1 << 0,
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kWrite = 1 << 1,
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kExLock = 1 << 2,
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};
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using Flags = uint8_t;
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NativeFile() = delete;
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NativeFile(Env& env, File::Id id, const std::filesystem::path& path, Flags flags) noexcept :
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Context(env, id), path_(path), flags_(flags) {
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}
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NativeFile(const NativeFile&) = delete;
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NativeFile(NativeFile&&) = delete;
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NativeFile& operator=(const NativeFile&) = delete;
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NativeFile& operator=(NativeFile&&) = delete;
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void CleanUp() noexcept override;
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void Abort() noexcept override;
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void Lock();
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void Unlock();
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size_t Read(size_t offset, uint8_t* buf, size_t size);
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size_t Write(size_t offset, const uint8_t* buf, size_t size);
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size_t Truncate(size_t size);
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size_t GetMemoryUsage() const noexcept override;
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std::string GetDescription() const noexcept override;
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private:
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const std::filesystem::path path_;
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const Flags flags_;
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uint64_t handle_;
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};
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} // namespace nf7
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