Extracted StringReader and StringWriter from JsonParser

Split `Internals/` folder into `Data/`, `Deserialization/`, `Serialization/`

include/ArduinoJson/Data/Parse.hpp

@@ -0,0 +1,66 @@
+// Copyright Benoit Blanchon 2014-2016
+// MIT License
+//
+// Arduino JSON library
+// https://github.com/bblanchon/ArduinoJson
+// If you like this project, please add a star!
+
+#pragma once
+
+#include <stdlib.h>
+
+namespace ArduinoJson {
+namespace Internals {
+template <typename TFloat>
+TFloat parse(const char *);
+
+template <>
+inline float parse<float>(const char *s) {
+  return static_cast<float>(strtod(s, NULL));
+}
+
+template <>
+inline double parse<double>(const char *s) {
+  return strtod(s, NULL);
+}
+
+template <>
+inline long parse<long>(const char *s) {
+  return strtol(s, NULL, 10);
+}
+
+template <>
+inline unsigned long parse<unsigned long>(const char *s) {
+  return strtoul(s, NULL, 10);
+}
+
+template <>
+inline int parse<int>(const char *s) {
+  return atoi(s);
+}
+
+#if ARDUINOJSON_USE_LONG_LONG
+template <>
+inline long long parse<long long>(const char *s) {
+  return strtoll(s, NULL, 10);
+}
+
+template <>
+inline unsigned long long parse<unsigned long long>(const char *s) {
+  return strtoull(s, NULL, 10);
+}
+#endif
+
+#if ARDUINOJSON_USE_INT64
+template <>
+inline __int64 parse<__int64>(const char *s) {
+  return _strtoi64(s, NULL, 10);
+}
+
+template <>
+inline unsigned __int64 parse<unsigned __int64>(const char *s) {
+  return _strtoui64(s, NULL, 10);
+}
+#endif
+}
+}