User can now use a JsonString as a key or a value

src/ArduinoJson/Strings/ArduinoStringAdapter.hpp

@@ -8,9 +8,9 @@
 
 namespace ARDUINOJSON_NAMESPACE {
 
-class ArduinoStringWrapper {
+class ArduinoStringAdapter {
  public:
-  ArduinoStringWrapper(const ::String& str) : _str(&str) {}
+  ArduinoStringAdapter(const ::String& str) : _str(&str) {}
 
   char* save(MemoryPool* pool) const {
     if (isNull()) return NULL;
@@ -40,6 +40,10 @@ class ArduinoStringWrapper {
     return _str->length();
   }
 
+  bool isStatic() const {
+    return false;
+  }
+
  private:
   const ::String* _str;
 };
@@ -50,8 +54,8 @@ struct IsString< ::String> : true_type {};
 template <>
 struct IsString< ::StringSumHelper> : true_type {};
 
-inline ArduinoStringWrapper wrapString(const ::String& str) {
-  return ArduinoStringWrapper(str);
+inline ArduinoStringAdapter adaptString(const ::String& str) {
+  return ArduinoStringAdapter(str);
 }
 
 }  // namespace ARDUINOJSON_NAMESPACE

src/ArduinoJson/Strings/ConstRamStringAdapter.hpp

@@ -9,9 +9,9 @@
 
 namespace ARDUINOJSON_NAMESPACE {
 
-class ConstRamStringWrapper {
+class ConstRamStringAdapter {
  public:
-  ConstRamStringWrapper(const char* str = 0) : _str(str) {}
+  ConstRamStringAdapter(const char* str = 0) : _str(str) {}
 
   bool equals(const char* expected) const {
     const char* actual = _str;
@@ -23,25 +23,29 @@ class ConstRamStringWrapper {
     return !_str;
   }
 
-  // template <typename TMemoryPool>
-  // const char* save(TMemoryPool*) const {
-  //   return _str;
-  // }
+  template <typename TMemoryPool>
+  char* save(TMemoryPool*) const {
+    return 0;
+  }
 
   size_t size() const {
     return strlen(_str);
   }
 
-  const char* c_str() const {
+  const char* data() const {
     return _str;
   }
 
+  bool isStatic() const {
+    return true;
+  }
+
  protected:
   const char* _str;
 };
 
-inline ConstRamStringWrapper wrapString(const char* str) {
-  return ConstRamStringWrapper(str);
+inline ConstRamStringAdapter adaptString(const char* str) {
+  return ConstRamStringAdapter(str);
 }
 
 }  // namespace ARDUINOJSON_NAMESPACE

src/ArduinoJson/Strings/FlashStringAdapter.hpp

@@ -6,9 +6,9 @@
 
 namespace ARDUINOJSON_NAMESPACE {
 
-class FlashStringWrapper {
+class FlashStringAdapter {
  public:
-  FlashStringWrapper(const __FlashStringHelper* str) : _str(str) {}
+  FlashStringAdapter(const __FlashStringHelper* str) : _str(str) {}
 
   bool equals(const char* expected) const {
     const char* actual = reinterpret_cast<const char*>(_str);
@@ -28,16 +28,24 @@ class FlashStringWrapper {
     return dup;
   }
 
+  const char* data() const {
+    return 0;
+  }
+
   size_t size() const {
     return strlen_P(reinterpret_cast<const char*>(_str));
   }
 
+  bool isStatic() const {
+    return false;
+  }
+
  private:
   const __FlashStringHelper* _str;
 };
 
-inline FlashStringWrapper wrapString(const __FlashStringHelper* str) {
-  return FlashStringWrapper(str);
+inline FlashStringAdapter adaptString(const __FlashStringHelper* str) {
+  return FlashStringAdapter(str);
 }
 
 template <>

src/ArduinoJson/Strings/RamStringAdapter.hpp

@@ -4,13 +4,13 @@
 
 #pragma once
 
-#include "ConstRamStringWrapper.hpp"
+#include "ConstRamStringAdapter.hpp"
 
 namespace ARDUINOJSON_NAMESPACE {
 
-class RamStringWrapper : public ConstRamStringWrapper {
+class RamStringAdapter : public ConstRamStringAdapter {
  public:
-  RamStringWrapper(const char* str) : ConstRamStringWrapper(str) {}
+  RamStringAdapter(const char* str) : ConstRamStringAdapter(str) {}
 
   char* save(MemoryPool* pool) const {
     if (!_str) return NULL;
@@ -19,15 +19,19 @@ class RamStringWrapper : public ConstRamStringWrapper {
     if (dup) memcpy(dup, _str, n);
     return dup;
   }
+
+  bool isStatic() const {
+    return false;
+  }
 };
 
 template <typename TChar>
-inline RamStringWrapper wrapString(const TChar* str) {
-  return RamStringWrapper(reinterpret_cast<const char*>(str));
+inline RamStringAdapter adaptString(const TChar* str) {
+  return RamStringAdapter(reinterpret_cast<const char*>(str));
 }
 
-inline RamStringWrapper wrapString(char* str) {
-  return RamStringWrapper(str);
+inline RamStringAdapter adaptString(char* str) {
+  return RamStringAdapter(str);
 }
 
 template <typename TChar>

src/ArduinoJson/Strings/SizedFlashStringAdapter.hpp

@@ -6,9 +6,9 @@
 
 namespace ARDUINOJSON_NAMESPACE {
 
-class SizedFlashStringWrapper {
+class SizedFlashStringAdapter {
  public:
-  SizedFlashStringWrapper(const __FlashStringHelper* str, size_t sz)
+  SizedFlashStringAdapter(const __FlashStringHelper* str, size_t sz)
       : _str(str), _size(sz) {}
 
   bool equals(const char* expected) const {
@@ -32,13 +32,17 @@ class SizedFlashStringWrapper {
     return strlen_P(reinterpret_cast<const char*>(_str));
   }
 
+  bool isStatic() const {
+    return false;
+  }
+
  private:
   const __FlashStringHelper* _str;
   size_t _size;
 };
 
-inline SizedFlashStringWrapper wrapString(const __FlashStringHelper* str,
-                                          size_t sz) {
-  return SizedFlashStringWrapper(str, sz);
+inline SizedFlashStringAdapter adaptString(const __FlashStringHelper* str,
+                                           size_t sz) {
+  return SizedFlashStringAdapter(str, sz);
 }
 }  // namespace ARDUINOJSON_NAMESPACE

src/ArduinoJson/Strings/SizedRamStringAdapter.hpp

@@ -8,9 +8,9 @@
 
 namespace ARDUINOJSON_NAMESPACE {
 
-class SizedRamStringWrapper {
+class SizedRamStringAdapter {
  public:
-  SizedRamStringWrapper(const char* str, size_t n) : _str(str), _size(n) {}
+  SizedRamStringAdapter(const char* str, size_t n) : _str(str), _size(n) {}
 
   bool equals(const char* expected) const {
     const char* actual = reinterpret_cast<const char*>(_str);
@@ -33,14 +33,18 @@ class SizedRamStringWrapper {
     return strlen(reinterpret_cast<const char*>(_str));
   }
 
+  bool isStatic() const {
+    return false;
+  }
+
  private:
   const char* _str;
   size_t _size;
 };
 
 template <typename TChar>
-inline SizedRamStringWrapper wrapString(const TChar* str, size_t size) {
-  return SizedRamStringWrapper(reinterpret_cast<const char*>(str), size);
+inline SizedRamStringAdapter adaptString(const TChar* str, size_t size) {
+  return SizedRamStringAdapter(reinterpret_cast<const char*>(str), size);
 }
 
 }  // namespace ARDUINOJSON_NAMESPACE

src/ArduinoJson/Strings/StlStringAdapter.hpp

@@ -8,9 +8,9 @@
 
 namespace ARDUINOJSON_NAMESPACE {
 
-class StlStringWrapper {
+class StlStringAdapter {
  public:
-  StlStringWrapper(const std::string& str) : _str(&str) {}
+  StlStringAdapter(const std::string& str) : _str(&str) {}
 
   char* save(MemoryPool* pool) const {
     size_t n = _str->length() + 1;
@@ -36,6 +36,10 @@ class StlStringWrapper {
     return _str->size();
   }
 
+  bool isStatic() const {
+    return false;
+  }
+
  private:
   const std::string* _str;
 };
@@ -43,8 +47,8 @@ class StlStringWrapper {
 template <>
 struct IsString<std::string> : true_type {};
 
-inline StlStringWrapper wrapString(const std::string& str) {
-  return StlStringWrapper(str);
+inline StlStringAdapter adaptString(const std::string& str) {
+  return StlStringAdapter(str);
 }
 
 }  // namespace ARDUINOJSON_NAMESPACE

src/ArduinoJson/Strings/String.hpp

@@ -4,12 +4,15 @@
 
 #pragma once
 
+#include "ConstRamStringAdapter.hpp"
+
 namespace ARDUINOJSON_NAMESPACE {
 
 class String {
  public:
-  String() : _data(0) {}
-  String(const char* slot) : _data(slot) {}
+  String() : _data(0), _isStatic(true) {}
+  String(const char* data, bool isStaticData = true)
+      : _data(data), _isStatic(isStaticData) {}
 
   const char* c_str() const {
     return _data;
@@ -19,6 +22,10 @@ class String {
     return !_data;
   }
 
+  bool isStatic() const {
+    return _isStatic;
+  }
+
   friend bool operator==(String lhs, String rhs) {
     if (lhs._data == rhs._data) return true;
     if (!lhs._data) return false;
@@ -28,5 +35,31 @@ class String {
 
  private:
   const char* _data;
+  bool _isStatic;
 };
+
+class StringAdapter : public RamStringAdapter {
+ public:
+  StringAdapter(const String& str)
+      : RamStringAdapter(str.c_str()), _isStatic(str.isStatic()) {}
+
+  bool isStatic() const {
+    return _isStatic;
+  }
+
+  /*  const char* save(MemoryPool* pool) const {
+      if (_isStatic) return c_str();
+      return RamStringAdapter::save(pool);
+    }*/
+
+ private:
+  bool _isStatic;
+};
+
+template <>
+struct IsString<String> : true_type {};
+
+inline StringAdapter adaptString(const String& str) {
+  return StringAdapter(str);
+}
 }  // namespace ARDUINOJSON_NAMESPACE

src/ArduinoJson/Strings/StringAdapters.hpp

@@ -18,19 +18,19 @@ template <typename T>
 struct IsString<T&> : IsString<T> {};
 }  // namespace ARDUINOJSON_NAMESPACE
 
-#include "ConstRamStringWrapper.hpp"
-#include "RamStringWrapper.hpp"
-#include "SizedRamStringWrapper.hpp"
+#include "ConstRamStringAdapter.hpp"
+#include "RamStringAdapter.hpp"
+#include "SizedRamStringAdapter.hpp"
 
 #if ARDUINOJSON_ENABLE_STD_STRING
-#include "StlStringWrapper.hpp"
+#include "StlStringAdapter.hpp"
 #endif
 
 #if ARDUINOJSON_ENABLE_ARDUINO_STRING
-#include "ArduinoStringWrapper.hpp"
+#include "ArduinoStringAdapter.hpp"
 #endif
 
 #if ARDUINOJSON_ENABLE_PROGMEM
-#include "FlashStringWrapper.hpp"
-#include "SizedFlashStringWrapper.hpp"
+#include "FlashStringAdapter.hpp"
+#include "SizedFlashStringAdapter.hpp"
 #endif