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Ref T267, allow to call "convertFromMemoizedJson", but also convert via "convertFromJson"

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The variant convertFromMemoizedJson trait did already do something similar, calling "convertFromJson" if the memoized version is not avilable. Now the function also "decides" based on the passed data itself.
This commit is contained in:
Klaus Basan
2018-05-15 02:53:35 +02:00
parent 98bc0a7d6e
commit 50a625d2bc
6 changed files with 37 additions and 19 deletions
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24
src/blackmisc/simulation/aircraftmodellist.cpp
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@@ -977,7 +977,7 @@ namespace BlackMisc
return json;
}
void CAircraftModelList::convertFromMemoizedJson(const QJsonObject &json)
void CAircraftModelList::convertFromMemoizedJson(const QJsonObject &json, bool fallbackToConvertToJson)
{
clear();
QJsonValue value = json.value("containerbase");
@@ -988,9 +988,25 @@ namespace BlackMisc
const QJsonValue aircraftIcaos = json.value("aircraftIcaos");
const QJsonValue liveries = json.value("liveries");
const QJsonValue distributors = json.value("distributors");
if (aircraftIcaos.isUndefined()) { throw CJsonException("Missing 'aircraftIcaos'"); }
if (liveries.isUndefined()) { throw CJsonException("Missing 'liveries'"); }
if (distributors.isUndefined()) { throw CJsonException("Missing 'distributors'"); }
const bool undefAc = aircraftIcaos.isUndefined();
const bool undefLiv = liveries.isUndefined();
const bool undefDist = distributors.isUndefined();
const bool undefAll = undefAc && undefDist && undefLiv;
if (fallbackToConvertToJson && undefAll)
{
this->convertFromJson(json);
return;
}
else
{
if (undefAc) { throw CJsonException("Missing 'aircraftIcaos'"); }
if (undefLiv) { throw CJsonException("Missing 'liveries'"); }
if (undefDist) { throw CJsonException("Missing 'distributors'"); }
}
// convert
{
CJsonScope scope("aircraftIcaos");
Q_UNUSED(scope);

2
src/blackmisc/simulation/aircraftmodellist.h
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@@ -335,7 +335,7 @@ namespace BlackMisc
QJsonObject toMemoizedJson() const;
//! From compact JSON format
void convertFromMemoizedJson(const QJsonObject &json);
void convertFromMemoizedJson(const QJsonObject &json, bool fallbackToConvertToJson = false);
//! To database JSON
QJsonArray toDatabaseJson() const;

10
src/blackmisc/variant.cpp
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@@ -194,7 +194,9 @@ namespace BlackMisc
{
CJsonScope scope("value");
m_v = QVariant(typeId, nullptr);
meta->convertFromJson(value.toObject(), data());
// this will call convertFromJson if there is no MemoizedJson
meta->convertFromMemoizedJson(value.toObject(), data(), true);
}
else if (QMetaType::hasRegisteredConverterFunction(qMetaTypeId<QString>(), typeId))
{
@@ -253,7 +255,7 @@ namespace BlackMisc
}
}
void CVariant::convertFromMemoizedJson(const QJsonObject &json)
void CVariant::convertFromMemoizedJson(const QJsonObject &json, bool allowFallbackToJson)
{
QJsonValue typeValue = json.value("type");
if (typeValue.isUndefined()) { throw CJsonException("Missing 'type'"); }
@@ -271,7 +273,7 @@ namespace BlackMisc
CJsonScope scope("value");
m_v = QVariant(typeId, nullptr);
meta->convertFromMemoizedJson(value.toObject(), data());
meta->convertFromMemoizedJson(value.toObject(), data(), allowFallbackToJson);
}
catch (const Private::CVariantException &ex)
{
@@ -288,7 +290,7 @@ namespace BlackMisc
{
try
{
convertFromMemoizedJson(json);
convertFromMemoizedJson(json, false);
}
catch (const CJsonException &ex)
{

2
src/blackmisc/variant.h
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@@ -286,7 +286,7 @@ namespace BlackMisc
QJsonObject toMemoizedJson() const;
//! From compact JSON format.
void convertFromMemoizedJson(const QJsonObject &json);
void convertFromMemoizedJson(const QJsonObject &json, bool allowFallbackToJson);
//! Call convertFromMemoizedJson, catch any CJsonException that is thrown and return it as CStatusMessage.
CStatusMessage convertFromMemoizedJsonNoThrow(const QJsonObject &json, const CLogCategoryList &categories, const QString &prefix);

4
src/blackmisc/variantmap.cpp
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@@ -86,7 +86,7 @@ namespace BlackMisc
CJsonScope scope(key);
Q_UNUSED(scope);
CVariant value;
value.convertFromMemoizedJson(it.value().toObject());
value.convertFromMemoizedJson(it.value().toObject(), true);
implementationOf(*this).insert(cend(), key, value);
}
}
@@ -101,7 +101,7 @@ namespace BlackMisc
CJsonScope scope(key);
Q_UNUSED(scope);
CVariant var;
var.convertFromMemoizedJson(value.toObject());
var.convertFromMemoizedJson(value.toObject(), true);
insert(key, var);
}
}

14
src/blackmisc/variantprivate.h
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@@ -47,7 +47,7 @@ namespace BlackMisc
virtual QJsonObject toJson(const void *object) const = 0;
virtual void convertFromJson(const QJsonObject &json, void *object) const = 0;
virtual QJsonObject toMemoizedJson(const void *object) const = 0;
virtual void convertFromMemoizedJson(const QJsonObject &json, void *object) const = 0;
virtual void convertFromMemoizedJson(const QJsonObject &json, void *object, bool allowFallbackToJson) const = 0;
virtual void unmarshall(const QDBusArgument &arg, void *object) const = 0;
virtual uint getValueHash(const void *object) const = 0;
virtual int getMetaTypeId() const = 0;
@@ -101,9 +101,9 @@ namespace BlackMisc
static QJsonObject toMemoizedJson(const T &object, ...) { return toJson(object, 0); }
template <typename T>
static void convertFromMemoizedJson(const QJsonObject &json, T &object, decltype(static_cast<void>(object.convertFromMemoizedJson(json)), 0)) { object.convertFromMemoizedJson(json); }
static void convertFromMemoizedJson(const QJsonObject &json, T &object, bool allowFallbackToJson, decltype(static_cast<void>(object.convertFromMemoizedJson(json, allowFallbackToJson)), 0)) { object.convertFromMemoizedJson(json, allowFallbackToJson); }
template <typename T>
static void convertFromMemoizedJson(const QJsonObject &json, T &object, ...) { convertFromJson(json, object, 0); }
static void convertFromMemoizedJson(const QJsonObject &json, T &object, bool allowFallbackToJson, ...) { convertFromJson(json, object, 0); Q_UNUSED(allowFallbackToJson) }
template <typename T>
static uint getValueHash(const T &object, decltype(static_cast<void>(qHash(object)), 0)) { return qHash(object); }
@@ -113,7 +113,7 @@ namespace BlackMisc
template <typename T>
static int compareImpl(const T &lhs, const T &rhs, decltype(static_cast<void>(compare(lhs, rhs)), 0)) { return compare(lhs, rhs); }
template <typename T>
static int compareImpl(const T &lhs, const T&, ...) { throw CVariantException(lhs, "compare"); }
static int compareImpl(const T &lhs, const T &, ...) { throw CVariantException(lhs, "compare"); }
template <typename T>
static void setPropertyByIndex(T &object, const CVariant &variant, const CPropertyIndex &index, decltype(static_cast<void>(object.setPropertyByIndex(index, variant)), 0)) { object.setPropertyByIndex(index, variant); }
@@ -136,7 +136,7 @@ namespace BlackMisc
static bool equalsPropertyByIndex(const T &object, const CVariant &, const CPropertyIndex &, ...) { throw CVariantException(object, "equalsPropertyByIndex"); }
template <typename T>
static void toIcon(const T &object, CIcon &o_icon, std::enable_if_t<! std::is_same<T, CVariant>::value, decltype(static_cast<void>(object.toIcon()), 0)>) { assign(o_icon, object.toIcon()); }
static void toIcon(const T &object, CIcon &o_icon, std::enable_if_t < ! std::is_same<T, CVariant>::value, decltype(static_cast<void>(object.toIcon()), 0) >) { assign(o_icon, object.toIcon()); }
template <typename T>
static void toIcon(const T &object, CIcon &, ...) { throw CVariantException(object, "toIcon"); }
};
@@ -161,9 +161,9 @@ namespace BlackMisc
{
return CValueObjectMetaInfoHelper::toMemoizedJson(cast(object), 0);
}
virtual void convertFromMemoizedJson(const QJsonObject &json, void *object) const override
virtual void convertFromMemoizedJson(const QJsonObject &json, void *object, bool allowFallbackToJson) const override
{
CValueObjectMetaInfoHelper::convertFromMemoizedJson(json, cast(object), 0);
CValueObjectMetaInfoHelper::convertFromMemoizedJson(json, cast(object), allowFallbackToJson, 0);
}
virtual void unmarshall(const QDBusArgument &arg, void *object) const override
{