mirror of
https://github.com/eledio-devices/thirdparty-ArduinoJson.git
synced 2025-10-31 08:42:39 +01:00
126 lines
3.5 KiB
C++
126 lines
3.5 KiB
C++
// ArduinoJson - https://arduinojson.org
|
|
// Copyright © 2014-2022, Benoit BLANCHON
|
|
// MIT License
|
|
|
|
#pragma once
|
|
|
|
#include <ArduinoJson/Polyfills/attributes.hpp>
|
|
#include <ArduinoJson/Strings/StoragePolicy.hpp>
|
|
#include <ArduinoJson/Variant/VariantData.hpp>
|
|
#include <ArduinoJson/Variant/Visitor.hpp>
|
|
|
|
namespace ARDUINOJSON_NAMESPACE {
|
|
|
|
template <typename TVisitor>
|
|
inline typename TVisitor::result_type variantAccept(const VariantData *var,
|
|
TVisitor &visitor) {
|
|
if (var != 0)
|
|
return var->accept(visitor);
|
|
else
|
|
return visitor.visitNull();
|
|
}
|
|
|
|
inline bool variantCopyFrom(VariantData *dst, const VariantData *src,
|
|
MemoryPool *pool) {
|
|
if (!dst)
|
|
return false;
|
|
if (!src) {
|
|
dst->setNull();
|
|
return true;
|
|
}
|
|
return dst->copyFrom(*src, pool);
|
|
}
|
|
|
|
inline void variantSetNull(VariantData *var) {
|
|
if (!var)
|
|
return;
|
|
var->setNull();
|
|
}
|
|
|
|
template <typename TAdaptedString, typename TStoragePolicy>
|
|
inline bool variantSetString(VariantData *var, TAdaptedString value,
|
|
MemoryPool *pool, TStoragePolicy storage_policy) {
|
|
return var != 0 ? var->storeString(value, pool, storage_policy) : 0;
|
|
}
|
|
|
|
inline size_t variantSize(const VariantData *var) {
|
|
return var != 0 ? var->size() : 0;
|
|
}
|
|
|
|
inline CollectionData *variantToArray(VariantData *var) {
|
|
if (!var)
|
|
return 0;
|
|
return &var->toArray();
|
|
}
|
|
|
|
inline CollectionData *variantToObject(VariantData *var) {
|
|
if (!var)
|
|
return 0;
|
|
return &var->toObject();
|
|
}
|
|
|
|
inline VariantData *variantGetElement(const VariantData *var, size_t index) {
|
|
return var != 0 ? var->getElement(index) : 0;
|
|
}
|
|
|
|
inline NO_INLINE VariantData *variantAddElement(VariantData *var,
|
|
MemoryPool *pool) {
|
|
return var != 0 ? var->addElement(pool) : 0;
|
|
}
|
|
|
|
inline NO_INLINE VariantData *variantGetOrAddElement(VariantData *var,
|
|
size_t index,
|
|
MemoryPool *pool) {
|
|
return var != 0 ? var->getOrAddElement(index, pool) : 0;
|
|
}
|
|
|
|
template <typename AdaptedString>
|
|
VariantData *variantGetMember(const VariantData *var, AdaptedString key) {
|
|
if (!var)
|
|
return 0;
|
|
return var->getMember(key);
|
|
}
|
|
|
|
// TODO: this function is inconsitent with the others:
|
|
// it should take an adapted string
|
|
template <typename TChar>
|
|
VariantData *variantGetOrAddMember(VariantData *var, TChar *key,
|
|
MemoryPool *pool) {
|
|
if (!var)
|
|
return 0;
|
|
return var->getOrAddMember(adaptString(key), pool,
|
|
getStringStoragePolicy(key));
|
|
}
|
|
|
|
template <typename TString>
|
|
VariantData *variantGetOrAddMember(VariantData *var, const TString &key,
|
|
MemoryPool *pool) {
|
|
if (!var)
|
|
return 0;
|
|
return var->getOrAddMember(adaptString(key), pool,
|
|
getStringStoragePolicy(key));
|
|
}
|
|
|
|
inline bool variantIsNull(const VariantData *var) {
|
|
return var == 0 || var->isNull();
|
|
}
|
|
|
|
inline size_t variantNesting(const VariantData *var) {
|
|
if (!var)
|
|
return 0;
|
|
|
|
const CollectionData *collection = var->asCollection();
|
|
if (!collection)
|
|
return 0;
|
|
|
|
size_t maxChildNesting = 0;
|
|
for (const VariantSlot *s = collection->head(); s; s = s->next()) {
|
|
size_t childNesting = variantNesting(s->data());
|
|
if (childNesting > maxChildNesting)
|
|
maxChildNesting = childNesting;
|
|
}
|
|
return maxChildNesting + 1;
|
|
}
|
|
|
|
} // namespace ARDUINOJSON_NAMESPACE
|