mirror of
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104 lines
2.4 KiB
C++
104 lines
2.4 KiB
C++
// Copyright Benoit Blanchon 2014
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// MIT License
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//
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// Arduino JSON library
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// https://github.com/bblanchon/ArduinoJson
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#include "ArduinoJson/JsonValue.hpp"
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#include "ArduinoJson/JsonArray.hpp"
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#include "ArduinoJson/JsonObject.hpp"
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#include "ArduinoJson/Internals/JsonWriter.hpp"
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using namespace ArduinoJson;
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using namespace ArduinoJson::Internals;
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JsonValue JsonValue::_invalid(JSON_INVALID);
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JsonValue::operator JsonArray &() const {
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return _type == JSON_ARRAY ? *_content.asArray : JsonArray::invalid();
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}
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JsonValue::operator JsonObject &() const {
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return _type == JSON_OBJECT ? *_content.asObject : JsonObject::invalid();
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}
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JsonValue::operator bool() const {
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return _type == JSON_BOOLEAN ? _content.asBoolean : false;
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}
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JsonValue::operator const char *() const {
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return _type == JSON_STRING ? _content.asString : NULL;
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}
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JsonValue::operator double() const {
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return _type >= JSON_DOUBLE_0_DECIMALS ? _content.asDouble : 0;
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}
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JsonValue::operator long() const {
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return _type == JSON_LONG ? _content.asInteger : 0;
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}
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void JsonValue::set(bool value) {
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if (_type == JSON_INVALID) return;
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_type = Internals::JSON_BOOLEAN;
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_content.asBoolean = value;
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}
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void JsonValue::set(const char *value) {
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if (_type == JSON_INVALID) return;
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_type = JSON_STRING;
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_content.asString = value;
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}
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void JsonValue::set(double value, int decimals) {
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if (_type == JSON_INVALID) return;
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_type = static_cast<JsonValueType>(JSON_DOUBLE_0_DECIMALS + decimals);
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_content.asDouble = value;
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}
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void JsonValue::set(long value) {
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if (_type == JSON_INVALID) return;
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_type = JSON_LONG;
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_content.asInteger = value;
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}
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void JsonValue::set(JsonArray &array) {
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if (_type == JSON_INVALID) return;
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_type = JSON_ARRAY;
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_content.asArray = &array;
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}
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void JsonValue::set(JsonObject &object) {
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if (_type == JSON_INVALID) return;
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_type = JSON_OBJECT;
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_content.asObject = &object;
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}
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void JsonValue::writeTo(JsonWriter &writer) const {
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switch (_type) {
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case JSON_ARRAY:
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_content.asArray->writeTo(writer);
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break;
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case JSON_OBJECT:
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_content.asObject->writeTo(writer);
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break;
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case JSON_STRING:
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writer.writeString(_content.asString);
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break;
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case JSON_LONG:
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writer.writeInteger(_content.asInteger);
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break;
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case JSON_BOOLEAN:
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writer.writeBoolean(_content.asBoolean);
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break;
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default: // >= JSON_DOUBLE_0_DECIMALS
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writer.writeDouble(_content.asDouble, _type - JSON_DOUBLE_0_DECIMALS);
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break;
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}
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}
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