mirror of
https://github.com/eledio-devices/thirdparty-ArduinoJson.git
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134 lines
3.6 KiB
C++
134 lines
3.6 KiB
C++
// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2019
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// MIT License
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#pragma once
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#include "../Configuration.hpp"
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#include "../Numbers/parseFloat.hpp"
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#include "../Numbers/parseInteger.hpp"
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#include "VariantRef.hpp"
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#include <string.h> // for strcmp
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namespace ARDUINOJSON_NAMESPACE {
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template <typename T>
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inline T VariantData::asIntegral() const {
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switch (type()) {
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case VALUE_IS_POSITIVE_INTEGER:
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case VALUE_IS_BOOLEAN:
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return T(_content.asInteger);
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case VALUE_IS_NEGATIVE_INTEGER:
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return T(~_content.asInteger + 1);
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case VALUE_IS_LINKED_STRING:
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case VALUE_IS_OWNED_STRING:
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return parseInteger<T>(_content.asString);
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case VALUE_IS_FLOAT:
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return T(_content.asFloat);
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default:
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return 0;
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}
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}
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// T = float/double
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template <typename T>
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inline T VariantData::asFloat() const {
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switch (type()) {
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case VALUE_IS_POSITIVE_INTEGER:
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case VALUE_IS_BOOLEAN:
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return static_cast<T>(_content.asInteger);
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case VALUE_IS_NEGATIVE_INTEGER:
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return -static_cast<T>(_content.asInteger);
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case VALUE_IS_LINKED_STRING:
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case VALUE_IS_OWNED_STRING:
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return parseFloat<T>(_content.asString);
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case VALUE_IS_FLOAT:
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return static_cast<T>(_content.asFloat);
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default:
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return 0;
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}
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}
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inline const char *VariantData::asString() const {
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switch (type()) {
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case VALUE_IS_LINKED_STRING:
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case VALUE_IS_OWNED_STRING:
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return _content.asString;
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default:
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return 0;
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}
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}
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template <typename TVariant>
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typename enable_if<IsVisitable<TVariant>::value, bool>::type VariantRef::set(
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const TVariant &value) const {
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VariantConstRef v = value;
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return variantCopyFrom(_data, v._data, _pool);
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}
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template <typename T>
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inline typename enable_if<is_same<T, ArrayRef>::value, T>::type VariantRef::as()
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const {
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return ArrayRef(_pool, _data != 0 ? _data->asArray() : 0);
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}
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template <typename T>
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inline typename enable_if<is_same<T, ObjectRef>::value, T>::type
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VariantRef::as() const {
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return ObjectRef(_pool, variantAsObject(_data));
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}
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template <typename T>
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inline typename enable_if<is_same<T, ArrayRef>::value, ArrayRef>::type
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VariantRef::to() const {
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return ArrayRef(_pool, variantToArray(_data));
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}
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template <typename T>
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typename enable_if<is_same<T, ObjectRef>::value, ObjectRef>::type
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VariantRef::to() const {
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return ObjectRef(_pool, variantToObject(_data));
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}
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template <typename T>
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typename enable_if<is_same<T, VariantRef>::value, VariantRef>::type
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VariantRef::to() const {
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variantSetNull(_data);
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return *this;
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}
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inline VariantConstRef VariantConstRef::operator[](size_t index) const {
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return ArrayConstRef(_data != 0 ? _data->asArray() : 0)[index];
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}
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inline VariantRef VariantRef::addElement() const {
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return VariantRef(_pool, variantAdd(_data, _pool));
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}
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inline VariantRef VariantRef::getElement(size_t index) const {
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return VariantRef(_pool, _data != 0 ? _data->getElement(index) : 0);
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}
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template <typename TChar>
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inline VariantRef VariantRef::getMember(TChar *key) const {
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return VariantRef(_pool, _data != 0 ? _data->getMember(adaptString(key)) : 0);
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}
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template <typename TString>
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inline typename enable_if<IsString<TString>::value, VariantRef>::type
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VariantRef::getMember(const TString &key) const {
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return VariantRef(_pool, _data != 0 ? _data->getMember(adaptString(key)) : 0);
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}
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template <typename TChar>
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inline VariantRef VariantRef::getOrAddMember(TChar *key) const {
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return VariantRef(_pool, variantGetOrCreate(_data, key, _pool));
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}
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template <typename TString>
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inline VariantRef VariantRef::getOrAddMember(const TString &key) const {
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return VariantRef(_pool, variantGetOrCreate(_data, key, _pool));
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}
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} // namespace ARDUINOJSON_NAMESPACE
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