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CloudString.h
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//
// This file is part of ArduinoCloudThing
//
// Copyright 2019 ARDUINO SA (http://www.arduino.cc/)
//
// This software is released under the GNU General Public License version 3,
// which covers the main part of ArduinoCloudThing.
// The terms of this license can be found at:
// https://www.gnu.org/licenses/gpl-3.0.en.html
//
// You can be released from the requirements of the above licenses by purchasing
// a commercial license. Buying such a license is mandatory if you want to modify or
// otherwise use the software for commercial activities involving the Arduino
// software without disclosing the source code of your own applications. To purchase
// a commercial license, send an email to [email protected].
//
#ifndef CLOUDSTRING_H_
#define CLOUDSTRING_H_
/******************************************************************************
INCLUDE
******************************************************************************/
#include <Arduino.h>
#include "../Property.h"
/******************************************************************************
CLASS DECLARATION
******************************************************************************/
class CloudString : public Property {
private:
String _value,
_cloud_value;
public:
CloudString() {
CloudString("");
}
CloudString(const char *v) {
CloudString(String(v));
}
CloudString(String v) : _value(v), _cloud_value(v) {}
operator String() const {
return _value;
}
void clear() {
_value = PropertyActions::CLEAR;
}
virtual bool isDifferentFromCloud() {
return _value != _cloud_value;
}
virtual void fromCloudToLocal() {
_value = _cloud_value;
}
virtual void fromLocalToCloud() {
_cloud_value = _value;
}
virtual CborError appendAttributesToCloud(CborEncoder *encoder) {
return appendAttribute(_value, "", encoder);
}
virtual void setAttributesFromCloud() {
setAttribute(_cloud_value, "");
}
//modifiers
CloudString& operator=(String v) {
_value = v;
updateLocalTimestamp();
return *this;
}
CloudString& operator=(const char *v) {
return operator=(String(v));
}
CloudString& operator+=(String v) {
return operator=(_value += v);
}
bool operator==(const char *c) const {
return operator==(String(c));
}
bool operator==(String c) const {
return _value == c;
}
//friends
friend CloudString operator+(CloudString cs, String v) {
return cs += v;
}
};
#endif /* CLOUDSTRING_H_ */