m5::nfc::ndef::TLV Class Reference

NDEF TLV container. More...

#include <ndef_tlv.hpp>

Public Types
using	container_type = std::vector<Record>

Public Member Functions
	TLV (const Tag t)
Tag	tag () const
	Tag.
bool	isTerminatorTLV () const
	Is termibator.
bool	isMessageTLV () const
	Is Message?
bool	isNullTLV () const
	Is Null TLV?
const container_type &	records () const
	Get the records.
const std::vector< uint8_t > &	payload () const
	Get the payload.
std::vector< uint8_t > &	payload ()
	Get the payload.
uint32_t	required () const
	Size required for encoding.
bool	push_back (const Record &r)
	Push back the record.
void	pop_back ()
	Removes the last record.
uint32_t	encode (uint8_t *buf, const uint32_t blen) const
	Encode.
uint32_t	decode (const uint8_t *buf, const uint32_t len)
	Decode.
void	clear ()
	Clear internal buffers.
void	dump ()

Static Public Attributes
static const TLV	Terminator
	Terminator instance.

Detailed Description

NDEF TLV container.

Member Function Documentation

clear()

void m5::nfc::ndef::TLV::clear

(

)

Clear internal buffers.

Warning

Keep the tag

decode()

uint32_t m5::nfc::ndef::TLV::decode	(	const uint8_t *	buf,
		const uint32_t	len )

Decode.

Parameters

buf	Pointer of the TLV
len	Buffer length

Return values

>	0 Decoded length
==	0 Error

encode()

uint32_t m5::nfc::ndef::TLV::encode	(	uint8_t *	buf,
		const uint32_t	blen ) const

Encode.

Parameters

[out]	buf	Buffer
	blen	Buffer size

Return values

>	0 Encoded length
==	0 Error

payload() [1/2]

std::vector< uint8_t > & m5::nfc::ndef::TLV::payload ( )

inline

Get the payload.

Precondition

Tag must NOT be Message

payload() [2/2]

const std::vector< uint8_t > & m5::nfc::ndef::TLV::payload ( ) const

inline

Get the payload.

Precondition

Tag must NOT be Message

push_back()

bool m5::nfc::ndef::TLV::push_back

(

const Record &

r

)

Push back the record.

Parameters

r

Record

Returns

True if successful

Note

A copy of the Record is inserted at the end

records()

const container_type & m5::nfc::ndef::TLV::records ( ) const

inline

Get the records.

Precondition

Tag must be Message