C++ JSON Study
A study on using JSON files with C++ on an app with and update function.
I combined the class from JSON for Modern C++ and combined it with a Looper class I developed (A class that repeats a function until stopped).
Basically I imagined using the JSON file for configuration in a program and allowing the viewing of modifications on the fly.
This little study uses a simple JSON file:
{
"pi": 3.141,
"happy": true,
"name": "Niels",
"nothing": null,
"answer": {
"everything": 42
},
"list": [1, 0, 2],
"object": {
"currency": "USD",
"value": 42.99
},
"stop": false,
"maxCycles": 10
}Notice the last two elements stop and maxCycles. The App uses these two values to decide when to stop itself.
If stop is true the app will stop as soon as possible.
If at any moment the cycle counter is greater than maxCycles the app will stop.
So if you have options you want to edit and immediately view the changes learn from this.
NOTE
This solution is not efficient, mainly because it is always reading the file even without any changes.
A better solution is to use file monitoring.