STM32duinoBLE/src/BLEDescriptor.cpp at main · stm32duino/STM32duinoBLE · GitHub

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This file is part of the ArduinoBLE library.

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

#include <stddef.h>

#include "local/BLELocalDescriptor.h"

#include "remote/BLERemoteDescriptor.h"

#include "BLEDescriptor.h"

BLEDescriptor::BLEDescriptor() :

BLEDescriptor((BLELocalDescriptor*)NULL)

{

}

BLEDescriptor::BLEDescriptor(BLELocalDescriptor* local) :

_local(local),

_remote(NULL)

{

if (_local) {

_local->retain();

}

BLEDescriptor::BLEDescriptor(BLERemoteDescriptor* remote) :

_local(NULL),

_remote(remote)

{

if (_remote) {

_remote->retain();

}

BLEDescriptor::BLEDescriptor(const char* uuid, const uint8_t value[], int valueSize) :

BLEDescriptor(new BLELocalDescriptor(uuid, value, valueSize))

{

}

BLEDescriptor::BLEDescriptor(const char* uuid, const char* value) :

BLEDescriptor(new BLELocalDescriptor(uuid, value))

{

}

BLEDescriptor::BLEDescriptor(const BLEDescriptor& other)

{

_local = other._local;

if (_local) {

_local->retain();

}

_remote = other._remote;

if (_remote) {

_remote->retain();

}

BLEDescriptor::~BLEDescriptor()

{

if (_local && _local->release() == 0) {

delete _local;

}

if (_remote && _remote->release() == 0) {

delete _remote;

}

const char* BLEDescriptor::uuid() const

{

if (_local) {

return _local->uuid();

}

if (_remote) {

return _remote->uuid();

}

return "";

}

int BLEDescriptor::valueSize() const

{

if (_local) {

return _local->valueSize();

}

if (_remote) {

return _remote->valueLength();

}

return 0;

}

const uint8_t* BLEDescriptor::value() const

{

if (_local) {

return _local->value();

}

if (_remote) {

return _remote->value();

}

return NULL;

}

int BLEDescriptor::valueLength() const

{

return valueSize();

}

uint8_t BLEDescriptor::operator[] (int offset) const

{

if (_local) {

return (*_local)[offset];

}

if (_remote) {

return (*_remote)[offset];

}

return 0;

}

int BLEDescriptor::readValue(uint8_t value[], int length)

{

int bytesRead = 0;

if (_local) {

bytesRead = min(length, _local->valueSize());

memcpy(value, _local->value(), bytesRead);

}

if (_remote) {

if (!read()) {

// read failed

return 0;

}

bytesRead = min(length, _remote->valueLength());

memcpy(value, _remote->value(), bytesRead);

}

return bytesRead;

}

int BLEDescriptor::readValue(void* value, int length)

{

return readValue((uint8_t*)value, length);

}

int BLEDescriptor::readValue(uint8_t& value)

{

value = 0;