nvprefs::undo_file_t Class Reference

File-backed storage for NVIDIA preference undo data. More...

#include <src/platform/windows/nvprefs/undo_file.h>

Public Member Functions
bool	delete_file ()
	Delete the persisted NVIDIA settings undo file.
std::optional< undo_data_t >	read_undo_data ()
	Read undo data.
bool	write_undo_data (const undo_data_t &undo_data)
	Write undo data.

Static Public Member Functions
static std::optional< undo_file_t >	create_new_file (std::filesystem::path file_path)
	Create new file.
static std::optional< undo_file_t >	open_existing_file (std::filesystem::path file_path, bool &access_denied)
	Open existing file.

Detailed Description

File-backed storage for NVIDIA preference undo data.

Member Function Documentation

create_new_file()

std::optional< undo_file_t > nvprefs::undo_file_t::create_new_file ( std::filesystem::path file_path )

static

Create new file.

Parameters

file_path

File path.

Returns

Created new file object or status.

delete_file()

bool nvprefs::undo_file_t::delete_file

(

)

Delete the persisted NVIDIA settings undo file.

Returns

True when the undo-file operation succeeds.

open_existing_file()

std::optional< undo_file_t > nvprefs::undo_file_t::open_existing_file ( std::filesystem::path file_path, bool & access_denied )

static

Open existing file.

Parameters

file_path	File path.
access_denied	Access denied.

Returns

Open undo file wrapper, or std::nullopt when the file cannot be opened.

read_undo_data()

std::optional< undo_data_t > nvprefs::undo_file_t::read_undo_data

(

)

Read undo data.

Returns

Parsed undo data, or std::nullopt when the file is empty or invalid.

write_undo_data()

bool nvprefs::undo_file_t::write_undo_data

(

const undo_data_t &

undo_data

)

Write undo data.

Parameters

undo_data

Driver settings to persist for a later restore.

Returns

True when the undo-file operation succeeds.

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

• src/platform/windows/nvprefs/undo_file.h
• src/platform/windows/nvprefs/undo_file.cpp