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Niels Lohmann 2021-03-29 12:18:33 +02:00
parent 47c7e2cfa0
commit 268600e63b
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GPG Key ID: 7F3CEA63AE251B69
2 changed files with 38 additions and 8 deletions
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23
include/nlohmann/json.hpp
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@ -3725,12 +3725,14 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
// operator[] only works for objects
if (JSON_HEDLEY_LIKELY(is_object()))
{
if (auto it = m_value.object->find(key); it != m_value.object->end())
auto it = m_value.object->find(key);
if (it != m_value.object->end())
{
return it->second;
}
return set_parent(m_value.object->operator[](json::object_t::key_type(key)));
auto result = m_value.object->emplace(key, nullptr);
return set_parent(result.first->second);
}
JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()), *this));
@ -4421,9 +4423,22 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
}
#if defined(JSON_HAS_CPP_17)
size_type erase(std::string_view key)
size_type erase(const std::string_view& key)
{
return erase(typename object_t::key_type(key.data(), key.size()));
// this erase only works for objects
if (JSON_HEDLEY_UNLIKELY(!is_object()))
{
JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()), *this));
}
const auto it = m_value.object->find(key);
if (it != m_value.object->end())
{
m_value.object->erase(it);
return 1;
}
return 0;
}
#endif

23
single_include/nlohmann/json.hpp
View File

@ -20614,12 +20614,14 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
// operator[] only works for objects
if (JSON_HEDLEY_LIKELY(is_object()))
{
if (auto it = m_value.object->find(key); it != m_value.object->end())
auto it = m_value.object->find(key);
if (it != m_value.object->end())
{
return it->second;
}
return set_parent(m_value.object->operator[](json::object_t::key_type(key)));
auto result = m_value.object->emplace(key, nullptr);
return set_parent(result.first->second);
}
JSON_THROW(type_error::create(305, "cannot use operator[] with a string argument with " + std::string(type_name()), *this));
@ -21310,9 +21312,22 @@ class basic_json // NOLINT(cppcoreguidelines-special-member-functions,hicpp-spec
}
#if defined(JSON_HAS_CPP_17)
size_type erase(std::string_view key)
size_type erase(const std::string_view& key)
{
return erase(typename object_t::key_type(key.data(), key.size()));
// this erase only works for objects
if (JSON_HEDLEY_UNLIKELY(!is_object()))
{
JSON_THROW(type_error::create(307, "cannot use erase() with " + std::string(type_name()), *this));
}
const auto it = m_value.object->find(key);
if (it != m_value.object->end())
{
m_value.object->erase(it);
return 1;
}
return 0;
}
#endif