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Added StaticJsonDocument and DynamicJsonDocument.

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Removed StaticJsonArray and DynamicJsonArray.
Removed StaticJsonObject and DynamicJsonObject.
Removed StaticJsonVariant and DynamicJsonVariant.
This commit is contained in:
Benoit Blanchon
2018-04-17 21:27:45 +02:00
parent a13b9e8bdc
commit 1feb92679d
100 changed files with 1696 additions and 1844 deletions
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25
examples/StringExample/StringExample.ino
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@@ -11,50 +11,51 @@
#include <ArduinoJson.h>
void setup() {
DynamicJsonObject root;
DynamicJsonDocument doc;
// You can use a String as your JSON input.
// WARNING: the content of the String will be duplicated in the JsonBuffer.
String input =
"{\"sensor\":\"gps\",\"time\":1351824120,\"data\":[48.756080,2.302038]}";
deserializeJson(root, input);
deserializeJson(doc, input);
JsonObject& obj = doc.as<JsonObject>();
// You can use a String to get an element of a JsonObject
// No duplication is done.
long time = root[String("time")];
long time = obj[String("time")];
// You can use a String to set an element of a JsonObject
// WARNING: the content of the String will be duplicated in the JsonBuffer.
root[String("time")] = time;
obj[String("time")] = time;
// You can get a String from a JsonObject or JsonArray:
// No duplication is done, at least not in the JsonBuffer.
String sensor = root["sensor"];
String sensor = obj["sensor"];
// Unfortunately, the following doesn't work (issue #118):
// sensor = root["sensor"]; // <- error "ambiguous overload for 'operator='"
// sensor = obj["sensor"]; // <- error "ambiguous overload for 'operator='"
// As a workaround, you need to replace by:
sensor = root["sensor"].as<String>();
sensor = obj["sensor"].as<String>();
// You can set a String to a JsonObject or JsonArray:
// WARNING: the content of the String will be duplicated in the JsonBuffer.
root["sensor"] = sensor;
obj["sensor"] = sensor;
// It works with RawJson too:
root["sensor"] = RawJson(sensor);
obj["sensor"] = RawJson(sensor);
// You can also concatenate strings
// WARNING: the content of the String will be duplicated in the JsonBuffer.
root[String("sen") + "sor"] = String("gp") + "s";
obj[String("sen") + "sor"] = String("gp") + "s";
// You can compare the content of a JsonObject with a String
if (root["sensor"] == sensor) {
if (obj["sensor"] == sensor) {
// ...
}
// Lastly, you can print the resulting JSON to a String
String output;
serializeJson(root, output);
serializeJson(doc, output);
}
void loop() {