Store parsed token as string and allow conversion between various types (issues #64, #69, #90, #93)

src/Arduino/String.cpp

@@ -0,0 +1,31 @@
+// Copyright Benoit Blanchon 2014-2015
+// MIT License
+//
+// Arduino JSON library
+// https://github.com/bblanchon/ArduinoJson
+
+#ifndef ARDUINO
+
+#include "../../include/ArduinoJson/Arduino/String.hpp"
+
+#include <stdio.h>  // for sprintf()
+
+String::String(double value, unsigned char digits) {
+  char tmp[32];
+  sprintf(tmp, "%.*f", digits, value);
+  *this = tmp;
+}
+
+String::String(int value) {
+  char tmp[32];
+  sprintf(tmp, "%d", value);
+  *this = tmp;
+}
+
+String::String(long value) {
+  char tmp[32];
+  sprintf(tmp, "%ld", value);
+  *this = tmp;
+}
+
+#endif