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refs #356 Streaming ops for QJsonObject: value in pair should be a reference, to avoid unnecessary copying and object slicing.

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This commit is contained in:
Mathew Sutcliffe
2015-03-18 02:10:08 +00:00
parent a5e6b31c0f
commit 73f135fa5b
4 changed files with 22 additions and 22 deletions
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18
src/blackmisc/json.cpp
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@@ -167,55 +167,55 @@ QJsonArray &operator<<(QJsonArray &json, const QDateTime &value)
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, int> &value)
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const int &> &value)
{
json.insert(value.first, QJsonValue(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, qint16> &value)
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const qint16 &> &value)
{
json.insert(value.first, QJsonValue(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, qulonglong> &value)
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const qulonglong &> &value)
{
json.insert(value.first, QJsonValue(static_cast<int>(value.second)));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, qlonglong> &value)
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const qlonglong &> &value)
{
json.insert(value.first, QJsonValue(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, uint> &value)
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const uint &> &value)
{
json.insert(value.first, QJsonValue(static_cast<int>(value.second)));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, QString> &value)
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const QString &> &value)
{
json.insert(value.first, QJsonValue(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, double> &value)
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const double &> &value)
{
json.insert(value.first, QJsonValue(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, bool> &value)
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const bool &> &value)
{
json.insert(value.first, QJsonValue(value.second));
return json;
}
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, QDateTime> &value)
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const QDateTime &> &value)
{
json.insert(value.first, QJsonValue(value.second.toString()));
return json;

20
src/blackmisc/json.h
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@@ -50,7 +50,7 @@ const QJsonValueRef &operator >>(const QJsonValueRef &json, QDateTime &value);
//! \ingroup JSON
template<class ENUM> typename
std::enable_if<std::is_enum<ENUM>::value, QJsonObject>::type
&operator<<(QJsonObject &json, std::pair<QString, ENUM> value)
&operator<<(QJsonObject &json, std::pair<QString, const ENUM &> value)
{
json.insert(value.first, QJsonValue(static_cast<int>(value.second)));
return json;
@@ -93,15 +93,15 @@ QJsonArray &operator<<(QJsonArray &json, const QDateTime &value);
//! \name Streaming operators for QJsonObject (from value)
//! \ingroup JSON
//! @{
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, int> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, qint16> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, qlonglong> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, uint> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, qulonglong> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, QString> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, double> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, bool> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, QDateTime> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const int &> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const qint16 &> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const qlonglong &> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const uint &> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const qulonglong &> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const QString &> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const double &> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const bool &> &value);
QJsonObject &operator<<(QJsonObject &json, const std::pair<QString, const QDateTime &> &value);
//! @}
namespace BlackMisc

4
src/blackmisc/tuple_private.h
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@@ -289,7 +289,7 @@ namespace BlackMisc
template <class Tu, size_t... Is>
static void serializeJson(QJsonObject &json, const QStringList &names, const Tu &tu, index_sequence<Is...>)
{
serializeJsonImpl(json, std::make_pair(names[Is], std::get<Is>(tu))...);
serializeJsonImpl(json, std::make_pair(names[Is], get_ref<Is>(tu))...);
}
template <class Tu, size_t... Is>
@@ -301,7 +301,7 @@ namespace BlackMisc
template <class Tu, size_t... Is>
static void serializeJson(QJsonObject &json, const Tu &tu, index_sequence<Is...>)
{
serializeJsonImpl(json, std::make_pair(std::get<Is>(tu).m_jsonName, std::get<Is>(tu).m_obj)...);
serializeJsonImpl(json, std::make_pair(std::get<Is>(tu).m_jsonName, get_ref<Is>(tu))...);
Q_UNUSED(tu); // avoid compiler warning when all attributes are JSON disabled
}

2
src/blackmisc/valueobject.h
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@@ -292,7 +292,7 @@ namespace BlackMisc
}
//! operator << for JSON
friend QJsonObject& operator<<(QJsonObject &json, const std::pair<QString, Derived> &value)
friend QJsonObject& operator<<(QJsonObject &json, const std::pair<QString, const Derived &> &value)
{
json.insert(value.first, QJsonValue(value.second.toJson()));
return json;