1 files changed, 60 insertions, 0 deletions
diff --git a/include/lib/ArduinoJson/StringTraits/StdStream.hpp b/include/lib/ArduinoJson/StringTraits/StdStream.hpp
new file mode 100644
index 0000000..227c744
--- /dev/null
+++ b/include/lib/ArduinoJson/StringTraits/StdStream.hpp
@@ -0,0 +1,60 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#pragma once
+
+#if ARDUINOJSON_ENABLE_STD_STREAM
+
+#include <istream>
+
+namespace ArduinoJson {
+namespace Internals {
+
+struct StdStreamTraits {
+  class Reader {
+    std::istream& _stream;
+    char _current, _next;
+
+   public:
+    Reader(std::istream& stream) : _stream(stream), _current(0), _next(0) {}
+
+    void move() {
+      _current = _next;
+      _next = 0;
+    }
+
+    char current() {
+      if (!_current) _current = read();
+      return _current;
+    }
+
+    char next() {
+      // assumes that current() has been called
+      if (!_next) _next = read();
+      return _next;
+    }
+
+   private:
+    Reader& operator=(const Reader&);  // Visual Studio C4512
+
+    char read() {
+      return _stream.eof() ? '\0' : static_cast<char>(_stream.get());
+    }
+  };
+
+  static const bool has_append = false;
+  static const bool has_equals = false;
+};
+
+template <typename TStream>
+struct StringTraits<
+    TStream,
+    // match any type that is derived from std::istream:
+    typename EnableIf<IsBaseOf<
+        std::istream, typename RemoveReference<TStream>::type>::value>::type>
+    : StdStreamTraits {};
+}
+}
+
+#endif