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Return JsonArray and JsonObject by value (closes #309)

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This commit is contained in:
Benoit Blanchon
2018-07-02 09:35:21 +02:00
parent 4fe2b1100e
commit b105e6f7c4
93 changed files with 983 additions and 1091 deletions
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20
src/ArduinoJson/JsonVariantSubscripts.hpp
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@@ -10,6 +10,8 @@
#include "Strings/StringTraits.hpp"
namespace ArduinoJson {
class JsonArray;
class JsonObject;
namespace Internals {
// Forward declarations.
@@ -30,14 +32,12 @@ class JsonVariantSubscripts {
// Mimics an array.
// Returns the element at specified index if the variant is an array.
// Returns JsonVariant::invalid() if the variant is not an array.
FORCE_INLINE const JsonArraySubscript operator[](size_t index) const;
FORCE_INLINE JsonArraySubscript operator[](size_t index);
// Mimics an object.
// Returns the value associated with the specified key if the variant is
// an object.
// Return JsonVariant::invalid() if the variant is not an object.
//
// const JsonObjectSubscript operator[](TKey) const;
// TKey = const std::string&, const String&
@@ -45,27 +45,21 @@ class JsonVariantSubscripts {
FORCE_INLINE
typename enable_if<StringTraits<TString>::has_equals,
const JsonObjectSubscript<const TString &> >::type
operator[](const TString &key) const {
return impl()->template as<JsonObject>()[key];
}
operator[](const TString &key) const;
//
// const JsonObjectSubscript operator[](TKey) const;
// TKey = const std::string&, const String&
template <typename TString>
FORCE_INLINE typename enable_if<StringTraits<TString>::has_equals,
JsonObjectSubscript<const TString &> >::type
operator[](const TString &key) {
return impl()->template as<JsonObject>()[key];
}
operator[](const TString &key);
//
// JsonObjectSubscript operator[](TKey);
// TKey = const char*, const char[N], const FlashStringHelper*
template <typename TString>
FORCE_INLINE typename enable_if<StringTraits<const TString *>::has_equals,
JsonObjectSubscript<const TString *> >::type
operator[](const TString *key) {
return impl()->template as<JsonObject>()[key];
}
operator[](const TString *key);
//
// JsonObjectSubscript operator[](TKey);
// TKey = const char*, const char[N], const FlashStringHelper*
@@ -73,9 +67,7 @@ class JsonVariantSubscripts {
FORCE_INLINE
typename enable_if<StringTraits<TString *>::has_equals,
const JsonObjectSubscript<const TString *> >::type
operator[](const TString *key) const {
return impl()->template as<JsonObject>()[key];
}
operator[](const TString *key) const;
private:
const TImpl *impl() const {