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PIVariant::fromType() methods

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Пелипенко Иван
2022-11-27 12:40:31 +03:00
parent a786c928e0
commit 6e13ee173e
3 changed files with 28 additions and 5 deletions
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9
libs/main/types/pivariant.cpp
View File

@@ -338,6 +338,14 @@ PIVariant PIVariant::fromValue(const PIByteArray & c, const PIString & type) {
}
PIVariant PIVariant::fromType(uint type_id) {
__PIVariantInfo__ * vi = __PIVariantInfoStorage__::get()->map->value(type_id);
if (!vi) return PIVariant();
piCout << "empty for" << type_id << "=" << vi->empty;
return PIVariant::fromValue(vi->empty, type_id);
}
PIString PIVariant::typeName(PIVariant::Type type) {
switch (type) {
case PIVariant::pivBool: return "Bool";
@@ -370,6 +378,7 @@ PIString PIVariant::typeName(PIVariant::Type type) {
case PIVariant::pivRect: return "Rect";
case PIVariant::pivMathVector: return "Vector";
case PIVariant::pivMathMatrix: return "Matrix";
case PIVariant::pivIODevice: return "IODevice";
case PIVariant::pivCustom: return "Custom";
default: break;
}

18
libs/main/types/pivariant.h
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@@ -69,9 +69,14 @@ public:
};
struct PIP_EXPORT __PIVariantInfo__ {
__PIVariantInfo__(const PIString & n) {typeName = n; typeID = n.hash();}
__PIVariantInfo__(const PIString & n, const PIByteArray & e) {
typeName = n;
typeID = n.hash();
empty = e;
}
typedef PIByteArray(*castHelperFunc)(PIByteArray);
PIMap<uint, castHelperFunc> cast;
PIByteArray empty;
PIString typeName;
uint typeID = 0;
bool simple = false;
@@ -119,7 +124,8 @@ public:
uint type_id = __PIVariantFunctions__< classname >::typeIDHelper(); \
PIString type_name = __PIVariantFunctions__< classname >::typeNameHelper(); \
if (__PIVariantInfoStorage__::get()->map->contains(type_id)) return; \
(*(__PIVariantInfoStorage__::get()->map))[type_id] = new __PIVariantInfo__(type_name); \
PIByteArray empty; empty << classname(); \
(*(__PIVariantInfoStorage__::get()->map))[type_id] = new __PIVariantInfo__(type_name, empty); \
STATIC_INITIALIZER_END
@@ -714,6 +720,14 @@ public:
static PIVariant fromValue(const PIByteArray & c, uint type_id);
static PIVariant fromValue(const PIByteArray & c, const PIString & type);
//! \~english Returns new %PIVariant from default-constructed type with name "type".
//! \~russian Возвращает новый %PIVariant из пустого конструктора типа "type".
static PIVariant fromType(const PIString & type) {return fromType(typeIDFromName(type));}
//! \~english Returns new %PIVariant from default-constructed type with type ID "type_id".
//! \~russian Возвращает новый %PIVariant из пустого конструктора типа c ID "type_id".
static PIVariant fromType(uint type_id);
//! \~english Returns type from its name.
//! \~russian Возвращает тип из его названия.

6
main.cpp
View File

@@ -25,7 +25,7 @@ public:
Editable = 0x02,
Label = 0x04,
ArrayReorder = 0x1001,
ArrayDynamic = 0x1002,
ArrayResize = 0x1002,
};
bool isNull() const {return _is_null;}
@@ -175,11 +175,11 @@ int main(int argc, char * argv[]) {
//for (auto it: root.children()) {
// piCout << it.name() << it.value();
//}
PIVariant v = PIVariant::fromValue(SomeType{1, 0.5f});
PIVariant v = PIVariant::fromType("PIVariantTypes::IODevice");
piCout << v;
piCout << v.toString();
v.setValueFromString("2;-0.1");
piCout << v;
piCout << v.value<PIVariantTypes::IODevice>();
piCout << v.toString();
return 0;