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