Redesigned JsonVariant to leverage converting constructors instead of assignment operators

include/ArduinoJson/JsonArray.ipp

@@ -0,0 +1,65 @@
+// Copyright Benoit Blanchon 2014-2015
+// MIT License
+//
+// Arduino JSON library
+// https://github.com/bblanchon/ArduinoJson
+
+#pragma once
+
+#include "JsonArray.hpp"
+#include "JsonArraySubscript.hpp"
+
+namespace ArduinoJson {
+
+inline JsonArraySubscript JsonArray::operator[](size_t index) {
+  return JsonArraySubscript(*this, index);
+}
+
+inline const JsonArraySubscript JsonArray::operator[](size_t index) const {
+  return JsonArraySubscript(*const_cast<JsonArray *>(this), index);
+}
+
+inline bool JsonArray::add(const JsonVariant value) {
+  node_type *node = addNewNode();
+  if (node) node->content = value;
+  return node != NULL;
+}
+
+inline JsonVariant JsonArray::get(size_t index) const {
+  node_type *node = getNodeAt(index);
+  return node ? node->content : JsonVariant();
+}
+
+template <typename T>
+inline T JsonArray::get(size_t index) const {
+  node_type *node = getNodeAt(index);
+  return node ? node->content.as<T>() : JsonVariant::invalid<T>();
+}
+
+template <typename T>
+inline T JsonArray::is(size_t index) const {
+  node_type *node = getNodeAt(index);
+  return node ? node->content.is<T>() : false;
+}
+
+inline void JsonArray::set(size_t index, const JsonVariant value) {
+  node_type *node = getNodeAt(index);
+  if (node) node->content = value;
+}
+
+template <typename TImplem>
+inline const JsonArraySubscript JsonVariantBase<TImplem>::operator[](
+    int index) const {
+  return asArray()[index];
+}
+
+template <>
+inline JsonArray &JsonVariant::invalid<JsonArray &>() {
+  return JsonArray::invalid();
+}
+
+template <>
+inline JsonArray const &JsonVariant::invalid<JsonArray const &>() {
+  return JsonArray::invalid();
+}
+}