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change implementation of optionalValueAt

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This commit is contained in:
HaeNoe 2024-04-14 22:35:51 +02:00
parent aa438b8fba
commit bb939d3772
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2 changed files with 5 additions and 7 deletions
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10
src/libutil/json-utils.cc
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@ -30,14 +30,12 @@ const nlohmann::json & valueAt(
return map.at(key);
}
std::optional<nlohmann::json> optionalValueAt(const nlohmann::json & value, const std::string & key)
std::optional<nlohmann::json> optionalValueAt(const nlohmann::json::object_t & map, const std::string & key)
{
try {
auto & v = valueAt(value, key);
return v.get<nlohmann::json>();
} catch (...) {
if (!map.contains(key))
return std::nullopt;
}
return std::optional { map.at(key) };
}

2
src/libutil/json-utils.hh
View File

@ -23,7 +23,7 @@ const nlohmann::json & valueAt(
const nlohmann::json::object_t & map,
const std::string & key);
std::optional<nlohmann::json> optionalValueAt(const nlohmann::json & value, const std::string & key);
std::optional<nlohmann::json> optionalValueAt(const nlohmann::json::object_t & value, const std::string & key);
/**
* Downcast the json object, failing with a nice error if the conversion fails.