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DashioJSON.cpp
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DashioJSON.cpp
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/*
DashJSON.cpp - Library for simle JSON encoding for the DashIO comms protocol.
Created by C. Tuffnell
November 17, 2020
MIT License
Copyright (c) 2020 Craig Tuffnell, DashIO Connect Limited
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include "DashioJSON.h"
void DashJSON::start() {
jsonStr = "{";
}
void DashJSON::addKeyString(const String& key, const String& text, bool last) {
jsonStr += "\"";
jsonStr += key;
jsonStr += "\":\"";
jsonStr += text;
jsonStr += "\"";
nextChar(last);
}
void DashJSON::addKeyStringAsNumber(const String& key, const String& text, bool last) {
jsonStr += "\"";
jsonStr += key;
jsonStr += "\":";
jsonStr += text;
nextChar(last);
}
void DashJSON::addKeyStringArray(const String& key, String items[], int numItems, bool last) {
jsonStr += "\"";
jsonStr += key;
jsonStr += "\":[";
for (int i = 0; i < numItems; i++) {
jsonStr += "\"";
jsonStr += items[i];
jsonStr += "\"";
if (i < numItems - 1) {
jsonStr += ",";
}
}
jsonStr += "]";
nextChar(last);
}
void DashJSON::addKeyFloat(const String& key, float number, bool last) {
jsonStr += "\"";
jsonStr += key;
jsonStr += "\":";
char numberBuffer[9];
#ifdef ARDUINO_ARCH_AVR
dtostrf(number, 5, 3, numberBuffer);
#else
sprintf(numberBuffer, "%5.3f", number);
#endif
jsonStr += numberBuffer;
nextChar(last);
}
void DashJSON::addKeyInt(const String& key, int number, bool last) {
jsonStr += "\"";
jsonStr += key;
jsonStr += "\":";
jsonStr += String(number);
nextChar(last);
}
void DashJSON::addKeyBool(const String& key, bool boolean, bool last) {
jsonStr += "\"";
jsonStr += key;
jsonStr += "\":";
if (boolean) {
jsonStr += "true";
} else {
jsonStr += "false";
}
nextChar(last);
}
void DashJSON::nextChar(bool last) {
if (last) {
jsonStr += "}";
} else {
jsonStr += ",";
}
}