KPN IoT / kpn_senml

The KPN SenML library helps you create and parse senml documents in both json and cbor format. The library can be used for sending sensor data and receiving actuator commands.

senml_base.cpp@0:a9259748d982, 2018-05-19 (annotated)

Committer:
kpniot
Date:
Sat May 19 17:35:20 2018 +0000
Revision:
0:a9259748d982
first commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kpniot 0:a9259748d982 1
kpniot 0:a9259748d982 2 /* _ __ ____ _ _
kpniot 0:a9259748d982 3 * | |/ / | _ \ | \ | |
kpniot 0:a9259748d982 4 * | ' / | |_) | | \| |
kpniot 0:a9259748d982 5 * | . \ | __/ | |\ |
kpniot 0:a9259748d982 6 * |_|\_\ |_| |_| \_|
kpniot 0:a9259748d982 7 *
kpniot 0:a9259748d982 8 * (c) 2018 KPN
kpniot 0:a9259748d982 9 * License: MIT License.
kpniot 0:a9259748d982 10 * Author: Jan Bogaerts
kpniot 0:a9259748d982 11 *
kpniot 0:a9259748d982 12 * base class for all senml objects
kpniot 0:a9259748d982 13 */
kpniot 0:a9259748d982 14
kpniot 0:a9259748d982 15
kpniot 0:a9259748d982 16 #include <senml_base.h>
kpniot 0:a9259748d982 17 #include <senml_pack.h>
kpniot 0:a9259748d982 18
kpniot 0:a9259748d982 19
kpniot 0:a9259748d982 20 SenMLBase::SenMLBase(): _prev(NULL), _next(NULL)
kpniot 0:a9259748d982 21 {
kpniot 0:a9259748d982 22 }
kpniot 0:a9259748d982 23
kpniot 0:a9259748d982 24 SenMLBase::~SenMLBase()
kpniot 0:a9259748d982 25 {
kpniot 0:a9259748d982 26 if(this->_prev)
kpniot 0:a9259748d982 27 this->_prev->setNext(this->_next);
kpniot 0:a9259748d982 28 if(this->_next)
kpniot 0:a9259748d982 29 this->_next->setPrev(this->_prev);
kpniot 0:a9259748d982 30
kpniot 0:a9259748d982 31 }
kpniot 0:a9259748d982 32
kpniot 0:a9259748d982 33 void SenMLBase::setNext(SenMLBase* value)
kpniot 0:a9259748d982 34 {
kpniot 0:a9259748d982 35 if(value == NULL){ //if next becomes null and there is a root, then this object became the last in the list, so let the root know.
kpniot 0:a9259748d982 36 SenMLPack* root = (SenMLPack*)this->getRoot();
kpniot 0:a9259748d982 37 if(root)
kpniot 0:a9259748d982 38 root->setLast(this);
kpniot 0:a9259748d982 39 }
kpniot 0:a9259748d982 40 this->_next = value;
kpniot 0:a9259748d982 41 }
kpniot 0:a9259748d982 42
kpniot 0:a9259748d982 43 void SenMLBase::setPrev(SenMLBase* value)
kpniot 0:a9259748d982 44 {
kpniot 0:a9259748d982 45 this->_prev = value;
kpniot 0:a9259748d982 46 }
kpniot 0:a9259748d982 47
kpniot 0:a9259748d982 48 SenMLBase* SenMLBase::getPrev()
kpniot 0:a9259748d982 49 {
kpniot 0:a9259748d982 50 return this->_prev;
kpniot 0:a9259748d982 51 }
kpniot 0:a9259748d982 52
kpniot 0:a9259748d982 53 SenMLBase* SenMLBase::getRoot()
kpniot 0:a9259748d982 54 {
kpniot 0:a9259748d982 55 SenMLBase* prev = this->_prev;
kpniot 0:a9259748d982 56 while(prev){
kpniot 0:a9259748d982 57 SenMLBase* newPrev = prev->getPrev();
kpniot 0:a9259748d982 58 if(newPrev == NULL)
kpniot 0:a9259748d982 59 return prev;
kpniot 0:a9259748d982 60 else
kpniot 0:a9259748d982 61 prev = newPrev;
kpniot 0:a9259748d982 62 }
kpniot 0:a9259748d982 63 return this; //if there was no first prev, it means we are root.
kpniot 0:a9259748d982 64 }
kpniot 0:a9259748d982 65
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