jeanlemotan
42 lines
843 B
C++
42 lines
843 B
C++
#pragma once
|
|
#include "fs/IStreamSource.h"
|
|
#include "tl/memory_buffer.h"
|
|
#include "fs/Api.h"
|
|
#include "tl/ptr.h"
|
|
|
|
namespace fs
|
|
{
|
|
|
|
class FS_API DeflateStreamSource final : public IStreamSource
|
|
{
|
|
public:
|
|
explicit DeflateStreamSource(IStreamSource& source); //non-owning
|
|
explicit DeflateStreamSource(tl::unique_ref<IStreamSource> source); //owning
|
|
~DeflateStreamSource() override;
|
|
|
|
tl::optional<Error> getLastError() const override;
|
|
size_t read(tl::span<uint8_t> data) override;
|
|
|
|
bool isEOS() const override;
|
|
|
|
size_t getPreferredBufferSize() const override;
|
|
|
|
tl::unique_ref<IStreamSource> extract();
|
|
|
|
private:
|
|
tl::unique_ptr<IStreamSource> m_ownedSource;
|
|
IStreamSource& m_source;
|
|
|
|
mutable tl::optional<Error> m_optLastError;
|
|
|
|
void initializeDeflate();
|
|
|
|
struct ZLib;
|
|
tl::unique_ptr<ZLib> m_zlib;
|
|
|
|
tl::memory_buffer m_buffer;
|
|
};
|
|
|
|
|
|
}
|