Added deserializeMsgPack() (issue #358)

src/ArduinoJson/Strings/StdString.hpp

@@ -0,0 +1,74 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#pragma once
+
+#if ARDUINOJSON_ENABLE_STD_STRING || ARDUINOJSON_ENABLE_ARDUINO_STRING
+
+#if ARDUINOJSON_ENABLE_ARDUINO_STRING
+#include <WString.h>
+#endif
+
+#if ARDUINOJSON_ENABLE_STD_STRING
+#include <string>
+#endif
+
+namespace ArduinoJson {
+namespace Internals {
+
+template <typename TString>
+struct StdStringTraits {
+  typedef const char* duplicate_t;
+
+  template <typename Buffer>
+  static duplicate_t duplicate(const TString& str, Buffer* buffer) {
+    if (!str.c_str()) return NULL;  // <- Arduino string can return NULL
+    size_t size = str.length() + 1;
+    void* dup = buffer->alloc(size);
+    if (dup != NULL) memcpy(dup, str.c_str(), size);
+    return static_cast<duplicate_t>(dup);
+  }
+
+  static bool is_null(const TString& str) {
+    // Arduino's String::c_str() can return NULL
+    return !str.c_str();
+  }
+
+  struct Reader : CharPointerTraits<char>::Reader {
+    Reader(const TString& str) : CharPointerTraits<char>::Reader(str.c_str()) {}
+  };
+
+  static bool equals(const TString& str, const char* expected) {
+    return 0 == strcmp(str.c_str(), expected);
+  }
+
+  static void append(TString& str, char c) {
+    str += c;
+  }
+
+  static void append(TString& str, const char* s) {
+    str += s;
+  }
+
+  static const bool has_append = true;
+  static const bool has_equals = true;
+  static const bool should_duplicate = true;
+};
+
+#if ARDUINOJSON_ENABLE_ARDUINO_STRING
+template <>
+struct StringTraits<String, void> : StdStringTraits<String> {};
+template <>
+struct StringTraits<StringSumHelper, void> : StdStringTraits<StringSumHelper> {
+};
+#endif
+
+#if ARDUINOJSON_ENABLE_STD_STRING
+template <>
+struct StringTraits<std::string, void> : StdStringTraits<std::string> {};
+#endif
+}
+}
+
+#endif