fix `simplereader.cpp` and the `Key()->String()` forwarding in `BaseReaderHandler`

example/simplereader/simplereader.cpp

@@ -17,6 +17,7 @@ struct MyHandler {
         return true;
     }
     bool StartObject() { cout << "StartObject()" << endl; return true; }
+    bool Key(const char* str, SizeType length, bool copy) { return String(str, length, copy); }
     bool EndObject(SizeType memberCount) { cout << "EndObject(" << memberCount << ")" << endl; return true; }
     bool StartArray() { cout << "StartArray()" << endl; return true; }
     bool EndArray(SizeType elementCount) { cout << "EndArray(" << elementCount << ")" << endl; return true; }

include/rapidjson/reader.h

@@ -182,7 +182,7 @@ struct BaseReaderHandler {
     bool Double(double) { return static_cast<Override&>(*this).Default(); }
     bool String(const Ch*, SizeType, bool) { return static_cast<Override&>(*this).Default(); }
     bool StartObject() { return static_cast<Override&>(*this).Default(); }
-    bool Key(const Ch* str, SizeType len, bool copy) { return String(str, len, copy); }
+    bool Key(const Ch* str, SizeType len, bool copy) { return static_cast<Override&>(*this).String(str, len, copy); }
     bool EndObject(SizeType) { return static_cast<Override&>(*this).Default(); }
     bool StartArray() { return static_cast<Override&>(*this).Default(); }
     bool EndArray(SizeType) { return static_cast<Override&>(*this).Default(); }