catalinvasile
50 lines
1.0 KiB
C++
50 lines
1.0 KiB
C++
#pragma once
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#include "fs/ISource.h"
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#include "fs/AbsPath.h"
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#include "fs/Api.h"
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namespace fs
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{
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class FS_API FileSource final : public ISource
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{
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public:
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explicit FileSource(AbsPathView i_filepath) noexcept;
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FileSource(AbsPathView i_filepath, Flags i_flags) noexcept;
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~FileSource() noexcept override;
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FileSource(FileSource&& i_other) noexcept;
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FileSource& operator=(FileSource&& i_other) noexcept;
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bool isValid() const noexcept;
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tl::optional<Error> getLastError() const override;
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size_t read(tl::span<uint8_t> data) override;
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void seekBeg(uint64_t i_offset) override;
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void seekRel(int64_t i_offset) override;
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uint64_t tell() const override;
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uint64_t getSize() const override;
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bool isEOS() const override;
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size_t getPreferredBufferSize() const override;
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private:
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FileSource() noexcept = default;
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void swap(FileSource& i_other) noexcept;
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void close() noexcept;
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bool m_isConstructed = false;
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std::array<uint64_t, 4> m_arena;
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uint64_t m_offset = 0;
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mutable uint64_t m_size = uint64_t(-1);
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mutable tl::optional<Error> m_optLastError;
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};
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}
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