Renamed and moved internal files

src/ArduinoJson/Variant/VariantSlot.hpp

@@ -0,0 +1,62 @@
+// ArduinoJson - arduinojson.org
+// Copyright Benoit Blanchon 2014-2018
+// MIT License
+
+#pragma once
+
+#include "../Polyfills/type_traits.hpp"
+#include "../Variant/VariantData.hpp"
+
+namespace ARDUINOJSON_NAMESPACE {
+
+typedef conditional<sizeof(void*) <= 2, int8_t, int16_t>::type VariantSlotDiff;
+
+struct VariantSlot {
+  VariantData value;
+  VariantSlotDiff next;
+  VariantSlotDiff prev;
+  const char* key;
+
+  // Must be a POD! so no constructor, nor destructor, nor virtual
+
+  VariantSlot* getNext() {
+    return next ? this + next : 0;
+  }
+
+  const VariantSlot* getNext() const {
+    return const_cast<VariantSlot*>(this)->getNext();
+  }
+
+  VariantSlot* getNext(size_t distance) {
+    VariantSlot* slot = this;
+    while (distance--) {
+      if (!slot->next) return 0;
+      slot += slot->next;
+    }
+    return slot;
+  }
+
+  const VariantSlot* getNext(size_t distance) const {
+    return const_cast<VariantSlot*>(this)->getNext(distance);
+  }
+
+  VariantSlot* getPrev() {
+    return prev ? this + prev : 0;
+  }
+
+  void setNext(VariantSlot* slot) {
+    this->next = VariantSlotDiff(slot ? slot - this : 0);
+  }
+
+  void setPrev(VariantSlot* slot) {
+    this->prev = VariantSlotDiff(slot ? slot - this : 0);
+  }
+
+  void attachTo(VariantSlot* tail) {
+    VariantSlotDiff offset = VariantSlotDiff(tail - this);
+    this->prev = offset;
+    tail->next = VariantSlotDiff(-offset);
+  }
+};
+
+}  // namespace ARDUINOJSON_NAMESPACE