Files
thirdparty-ArduinoJson/src/ArduinoJson/Variant/VariantFunctions.hpp
2021-11-24 19:06:49 +01:00

105 lines
2.8 KiB
C++

// ArduinoJson - https://arduinojson.org
// Copyright Benoit Blanchon 2014-2021
// MIT License
#pragma once
#include <ArduinoJson/Polyfills/attributes.hpp>
#include <ArduinoJson/Variant/VariantData.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 const CollectionData *variantAsArray(const VariantData *var) {
return var != 0 ? var->asArray() : 0;
}
inline const CollectionData *variantAsObject(const VariantData *var) {
return var != 0 ? var->asObject() : 0;
}
inline CollectionData *variantAsObject(VariantData *var) {
return var != 0 ? var->asObject() : 0;
}
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 int variantCompare(const VariantData *a, const VariantData *b);
inline void variantSetNull(VariantData *var) {
if (!var)
return;
var->setNull();
}
template <typename TAdaptedString>
inline bool variantSetString(VariantData *var, TAdaptedString value,
MemoryPool *pool) {
if (!var)
return false;
return var->storeString(value, pool);
}
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 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 TChar>
NO_INLINE VariantData *variantGetOrAddMember(VariantData *var, TChar *key,
MemoryPool *pool) {
return var != 0 ? var->getOrAddMember(adaptString(key), pool) : 0;
}
template <typename TString>
NO_INLINE VariantData *variantGetOrAddMember(VariantData *var,
const TString &key,
MemoryPool *pool) {
return var != 0 ? var->getOrAddMember(adaptString(key), pool) : 0;
}
inline bool variantIsNull(const VariantData *var) {
return var == 0 || var->isNull();
}
} // namespace ARDUINOJSON_NAMESPACE