ArduinoJson/src/JsonObject.cpp

#include "ArduinoJson/JsonObject.hpp"

#include <string.h> // for strcmp

#include "ArduinoJson/JsonBuffer.hpp"
#include "ArduinoJson/JsonValue.hpp"
#include "ArduinoJson/Internals/JsonNode.hpp"
#include "ArduinoJson/Internals/StringBuilder.hpp"

using namespace ArduinoJson;
using namespace ArduinoJson::Internals;

JsonValue JsonObject::operator[](char const *key) {
  JsonNode *node = getOrCreateNodeAt(key);
  return JsonValue(node);
}

void JsonObject::remove(char const *key) {
  for (JsonNodeIterator it = beginChildren(); it != endChildren(); ++it) {
    const char *childKey = it->getAsObjectKey();

    if (!strcmp(childKey, key)) {
      removeChild(*it);
    }
  }
}

JsonArray JsonObject::createNestedArray(char const *key) {
  JsonNode *node = getOrCreateNodeAt(key);

  if (node)
    node->setAsArray(_node->getContainerBuffer());

  return JsonArray(node);
}

JsonObject JsonObject::createNestedObject(char const *key) {
  JsonNode *node = getOrCreateNodeAt(key);

  if (node)
    node->setAsObject(_node->getContainerBuffer());

  return JsonObject(node);
}

JsonNode *JsonObject::getOrCreateNodeAt(const char *key) {
  for (JsonNodeIterator it = beginChildren(); it != endChildren(); ++it) {
    const char *childKey = it->getAsObjectKey();

    if (!strcmp(childKey, key))
      return it->getAsObjectValue();
  }

  JsonNode *newValueNode = createNode();
  if (!newValueNode)
    return 0;

  JsonNode *newKeyNode = createNode();
  if (!newKeyNode)
    return 0;

  newKeyNode->setAsObjectKeyValue(key, newValueNode);

  addChild(newKeyNode);

  return newValueNode;
}

JsonObjectIterator JsonObject::begin() {
  return JsonObjectIterator(_node->getContainerChild());
}