Helper class to uncompress data blocks in the ROOT compression frame format.

Definition at line 178 of file RNTupleZip.hxx.

Public Member Functions
	RNTupleDecompressor ()

	RNTupleDecompressor (const RNTupleDecompressor &other)=delete

	RNTupleDecompressor (RNTupleDecompressor &&other)=default

RNTupleDecompressor &	operator= (const RNTupleDecompressor &other)=delete

RNTupleDecompressor &	operator= (RNTupleDecompressor &&other)=default

void	Unzip (void *fromto, size_t nbytes, size_t dataLen)
	In-place decompression via unzip buffer.

Static Public Member Functions
static void	Unzip (const void from, size_t nbytes, size_t dataLen, void to)
	The nbytes parameter provides the size ls of the from buffer.

Private Types
using	Buffer_t = std::array< unsigned char, kMAXZIPBUF >

Private Attributes
std::unique_ptr< Buffer_t >	fUnzipBuffer

#include <ROOT/RNTupleZip.hxx>

Member Typedef Documentation

◆ Buffer_t

using ROOT::Experimental::Internal::RNTupleDecompressor::Buffer_t = std::array<unsigned char, kMAXZIPBUF>

private

Definition at line 180 of file RNTupleZip.hxx.

Constructor & Destructor Documentation

◆ RNTupleDecompressor() [1/3]

ROOT::Experimental::Internal::RNTupleDecompressor::RNTupleDecompressor ( )

inline

Definition at line 184 of file RNTupleZip.hxx.

◆ RNTupleDecompressor() [2/3]

ROOT::Experimental::Internal::RNTupleDecompressor::RNTupleDecompressor ( const RNTupleDecompressor & other )

delete

◆ RNTupleDecompressor() [3/3]

ROOT::Experimental::Internal::RNTupleDecompressor::RNTupleDecompressor ( RNTupleDecompressor && other )

default

Member Function Documentation

◆ operator=() [1/2]

RNTupleDecompressor & ROOT::Experimental::Internal::RNTupleDecompressor::operator= ( const RNTupleDecompressor & other )

delete

◆ operator=() [2/2]

RNTupleDecompressor & ROOT::Experimental::Internal::RNTupleDecompressor::operator= ( RNTupleDecompressor && other )

default

◆ Unzip() [1/2]

static void ROOT::Experimental::Internal::RNTupleDecompressor::Unzip	(	const void *	from,
		size_t	nbytes,
		size_t	dataLen,
		void *	to
	)

inlinestatic

The nbytes parameter provides the size ls of the from buffer.

The dataLen gives the size of the uncompressed data. The block is uncompressed iff nbytes == dataLen.

Definition at line 194 of file RNTupleZip.hxx.

◆ Unzip() [2/2]

void ROOT::Experimental::Internal::RNTupleDecompressor::Unzip	(	void *	fromto,
		size_t	nbytes,
		size_t	dataLen
	)

inline

In-place decompression via unzip buffer.

Definition at line 229 of file RNTupleZip.hxx.

Member Data Documentation

◆ fUnzipBuffer

std::unique_ptr<Buffer_t> ROOT::Experimental::Internal::RNTupleDecompressor::fUnzipBuffer

private

Definition at line 181 of file RNTupleZip.hxx.

Libraries for ROOT::Experimental::Internal::RNTupleDecompressor:

[legend]

The documentation for this class was generated from the following file:

tree/ntuple/v7/inc/ROOT/RNTupleZip.hxx

Public Member Functions

Static Public Member Functions

Private Types

Private Attributes