size_t ff::Dict::GetSize(StringRef name, size_t defaultValue) const
{
	Value *value = GetValue(name);

	if (value)
	{
		ValuePtr newValue;
		if (value->Convert(Value::Type::Int, &newValue))
		{
			int ival = newValue->AsInt();
			return ival < 0 ? ff::INVALID_SIZE : (size_t)ival;
		}
	}

	return defaultValue;
}
int ff::Dict::GetInt(ff::StringRef name, int defaultValue) const
{
	Value *value = GetValue(name);

	if (value)
	{
		if (value->IsType(Value::Type::Int))
		{
			return value->AsInt();
		}
		else
		{
			ValuePtr newValue;

			if (value->Convert(Value::Type::Int, &newValue))
			{
				return newValue->AsInt();
			}
		}
	}

	return defaultValue;
}
Example #3
0
bool ff::Value::Convert(Type type, Value **ppValue) const
{
	assertRetVal(ppValue, false);
	*ppValue = nullptr;

	if (type == GetType())
	{
		*ppValue = GetAddRef(const_cast<Value *>(this));
		return true;
	}

	wchar_t buf[256];

	switch (GetType())
	{
	case Type::Null:
		switch (type)
		{
		case Type::String:
			CreateString(String(L"null"), ppValue);
			break;
		}
		break;

	case Type::Bool:
		switch (type)
		{
		case Type::Double:
			CreateDouble(AsBool() ? 1.0 : 0.0, ppValue);
			break;

		case Type::Float:
			CreateFloat(AsBool() ? 1.0f : 0.0f, ppValue);
			break;

		case Type::Int:
			CreateInt(AsBool() ? 1 : 0, ppValue);
			break;

		case Type::String:
			CreateString(AsBool() ? String(L"true") : String(L"false"), ppValue);
			break;
		}
		break;

	case Type::Double:
		switch (type)
		{
		case Type::Bool:
			CreateBool(AsDouble() != 0, ppValue);
			break;

		case Type::Float:
			CreateFloat((float)AsDouble(), ppValue);
			break;

		case Type::Int:
			CreateInt((int)AsDouble(), ppValue);
			break;

		case Type::String:
			_snwprintf_s(buf, _countof(buf), _TRUNCATE, L"%g", AsDouble());
			CreateString(String(buf), ppValue);
			break;
		}
		break;

	case Type::Float:
		switch (type)
		{
		case Type::Bool:
			CreateBool(AsFloat() != 0, ppValue);
			break;

		case Type::Double:
			CreateDouble((double)AsFloat(), ppValue);
			break;

		case Type::Int:
			CreateInt((int)AsFloat(), ppValue);
			break;

		case Type::String:
			_snwprintf_s(buf, _countof(buf), _TRUNCATE, L"%g", AsFloat());
			CreateString(String(buf), ppValue);
			break;
		}
		break;

	case Type::Int:
		switch (type)
		{
		case Type::Bool:
			CreateBool(AsInt() != 0, ppValue);
			break;

		case Type::Double:
			CreateDouble((double)AsInt(), ppValue);
			break;

		case Type::Float:
			CreateFloat((float)AsInt(), ppValue);
			break;

		case Type::String:
			_snwprintf_s(buf, _countof(buf), _TRUNCATE, L"%d", AsInt());
			CreateString(String(buf), ppValue);
			break;
		}
		break;

	case Type::Point:
		switch (type)
		{
		case Type::String:
			_snwprintf_s(buf, _countof(buf), _TRUNCATE, L"(%d,%d)", AsPoint().x, AsPoint().y);
			CreateString(String(buf), ppValue);
			break;
		}
		break;

	case Type::PointF:
		switch (type)
		{
		case Type::String:
			_snwprintf_s(buf, _countof(buf), _TRUNCATE, L"(%g,%g)", AsPointF().x, AsPointF().y);
			CreateString(String(buf), ppValue);
			break;
		}
		break;

	case Type::Rect:
		switch (type)
		{
		case Type::String:
			_snwprintf_s(buf, _countof(buf), _TRUNCATE, L"(%d,%d,%d,%d)",
				AsRect().left, AsRect().top, AsRect().right, AsRect().bottom);
			CreateString(String(buf), ppValue);
			break;
		}
		break;

	case Type::RectF:
		switch (type)
		{
		case Type::String:
			_snwprintf_s(buf, _countof(buf), _TRUNCATE, L"(%g,%g,%g,%g)",
				AsRectF().left, AsRectF().top, AsRectF().right, AsRectF().bottom);
			CreateString(String(buf), ppValue);
			break;
		}
		break;

	case Type::String:
		switch (type)
		{
		case Type::Bool:
			if (AsString().empty() || AsString() == L"false" || AsString() == L"no" || AsString() == L"0")
			{
				CreateBool(false, ppValue);
			}
			else if (AsString() == L"true" || AsString() == L"yes" || AsString() == L"1")
			{
				CreateBool(true, ppValue);
			}
			break;

		case Type::Double:
			{
				const wchar_t *start = AsString().c_str();
				wchar_t *end = nullptr;
				double val = wcstod(start, &end);

				if (end > start && !*end)
				{
					CreateDouble(val, ppValue);
				}
			} break;

		case Type::Float:
			{
				const wchar_t *start = AsString().c_str();
				wchar_t *end = nullptr;
				double val = wcstod(start, &end);

				if (end > start && !*end)
				{
					CreateFloat((float)val, ppValue);
				}
			} break;

		case Type::Int:
			{
				const wchar_t *start = AsString().c_str();
				wchar_t *end = nullptr;
				long val = wcstol(start, &end, 10);

				if (end > start && !*end)
				{
					CreateInt((int)val, ppValue);
				}
			} break;

		case Type::Guid:
			{
				GUID guid;
				if (StringToGuid(AsString(), guid))
				{
					CreateGuid(guid, ppValue);
				}
			} break;
		}
		break;

	case Type::Object:
		switch (type)
		{
		case Type::Bool:
			CreateBool(AsObject() != nullptr, ppValue);
			break;
		}
		break;

	case Type::Guid:
		switch (type)
		{
		case Type::String:
			CreateString(StringFromGuid(AsGuid()), ppValue);
			break;
		}
		break;

	case Type::Data:
		switch (type)
		{
		case Type::SavedData:
			{
				ff::ComPtr<ff::ISavedData> savedData;
				if (ff::CreateLoadedDataFromMemory(AsData(), false, &savedData))
				{
					CreateSavedData(savedData, ppValue);
				}
			}
			break;
		}
		break;

	case Type::SavedData:
		switch (type)
		{
		case Type::Data:
			{
				ff::ComPtr<ff::ISavedData> savedData;
				if (AsSavedData()->Clone(&savedData))
				{
					ff::ComPtr<ff::IData> data = savedData->Load();
					if (data)
					{
						CreateData(data, ppValue);
					}
				}
			}
			break;
		}
		break;

	case Type::Dict:
		switch (type)
		{
		case Type::Data:
		case Type::SavedData:
		case Type::SavedDict:
			{
				ff::ComPtr<ff::IData> data;
				ff::ComPtr<ff::ISavedData> savedData;

				if (ff::SaveDict(AsDict(), true, false, &data))
				{
					if (type == Type::Data)
					{
						CreateData(data, ppValue);
					}
					else if (ff::CreateLoadedDataFromMemory(data, true, &savedData))
					{
						if (type == Type::SavedData)
						{
							CreateSavedData(savedData, ppValue);
						}
						else
						{
							CreateSavedDict(savedData, ppValue);
						}
					}
				}
			}
			break;
		}
		break;

	case Type::SavedDict:
		switch (type)
		{
		case Type::Data:
			{
				ff::ComPtr<ff::ISavedData> savedData;
				if (AsSavedData()->Clone(&savedData))
				{
					ff::ComPtr<ff::IData> data = savedData->Load();
					if (data)
					{
						CreateData(data, ppValue);
					}
				}
			}
			break;

		case Type::SavedData:
			CreateSavedData(AsSavedData(), ppValue);
			break;

		case Type::Dict:
			{
				ff::ComPtr<ff::ISavedData> savedData;
				if (AsSavedData()->Clone(&savedData))
				{
					ff::ComPtr<ff::IData> data = savedData->Load();
					ff::ComPtr<ff::IDataReader> dataReader;
					Dict dict;

					if (data && ff::CreateDataReader(data, 0, &dataReader) && ff::LoadDict(dataReader, dict))
					{
						CreateDict(std::move(dict), ppValue);
					}
				}
			}
			break;
		}
		break;

	case Type::Resource:
		AsResource()->GetValue()->Convert(type, ppValue);
		break;

	case Type::IntVector:
		switch (type)
		{
		case Type::Point:
			if (AsIntVector().Size() == 2)
			{
				PointInt point(
					AsIntVector().GetAt(0),
					AsIntVector().GetAt(1));
				CreatePoint(point, ppValue);
			}
			break;

		case Type::Rect:
			if (AsIntVector().Size() == 4)
			{
				RectInt rect(
					AsIntVector().GetAt(0),
					AsIntVector().GetAt(1),
					AsIntVector().GetAt(2),
					AsIntVector().GetAt(3));
				CreateRect(rect, ppValue);
			}
			break;
		}
		break;

	case Type::FloatVector:
		switch (type)
		{
		case Type::PointF:
			if (AsFloatVector().Size() == 2)
			{
				PointFloat point(
					AsFloatVector().GetAt(0),
					AsFloatVector().GetAt(1));
				CreatePointF(point, ppValue);
			}
			break;

		case Type::RectF:
			if (AsFloatVector().Size() == 4)
			{
				RectFloat rect(
					AsFloatVector().GetAt(0),
					AsFloatVector().GetAt(1),
					AsFloatVector().GetAt(2),
					AsFloatVector().GetAt(3));
				CreateRectF(rect, ppValue);
			}
			break;
		}
		break;

	case Type::ValueVector:
		switch (type)
		{
		case Type::Point:
			if (AsValueVector().Size() == 2)
			{
				ValuePtr newValues[2];
				const Vector<ValuePtr> &values = AsValueVector();
				if (values[0]->Convert(Type::Int, &newValues[0]) &&
					values[1]->Convert(Type::Int, &newValues[1]))
				{
					CreatePoint(PointInt(newValues[0]->AsInt(), newValues[1]->AsInt()), ppValue);
				}
			}
			break;

		case Type::PointF:
			if (AsValueVector().Size() == 2)
			{
				ValuePtr newValues[2];
				const Vector<ValuePtr> &values = AsValueVector();
				if (values[0]->Convert(Type::Float, &newValues[0]) &&
					values[1]->Convert(Type::Float, &newValues[1]))
				{
					CreatePointF(PointFloat(newValues[0]->AsFloat(), newValues[1]->AsFloat()), ppValue);
				}
			}
			break;

		case Type::Rect:
			if (AsValueVector().Size() == 4)
			{
				ValuePtr newValues[4];
				const Vector<ValuePtr> &values = AsValueVector();
				if (values[0]->Convert(Type::Int, &newValues[0]) &&
					values[1]->Convert(Type::Int, &newValues[1]) &&
					values[2]->Convert(Type::Int, &newValues[2]) &&
					values[3]->Convert(Type::Int, &newValues[3]))
				{
					CreateRect(RectInt(
						newValues[0]->AsInt(),
						newValues[1]->AsInt(),
						newValues[2]->AsInt(),
						newValues[3]->AsInt()), ppValue);
				}
			}
			break;

		case Type::RectF:
			if (AsValueVector().Size() == 4)
			{
				ValuePtr newValues[4];
				const Vector<ValuePtr> &values = AsValueVector();
				if (values[0]->Convert(Type::Float, &newValues[0]) &&
					values[1]->Convert(Type::Float, &newValues[1]) &&
					values[2]->Convert(Type::Float, &newValues[2]) &&
					values[3]->Convert(Type::Float, &newValues[3]))
				{
					CreateRectF(RectFloat(
						newValues[0]->AsFloat(),
						newValues[1]->AsFloat(),
						newValues[2]->AsFloat(),
						newValues[3]->AsFloat()), ppValue);
				}
			}
			break;

		case Type::StringVector:
			{
				bool valid = true;
				Vector<String> newValues;
				const Vector<ValuePtr> &values = AsValueVector();
				for (ValuePtr oldValue : values)
				{
					ValuePtr newValue;
					valid = oldValue->Convert(Type::String, &newValue);
					if (valid)
					{
						newValues.Push(newValue->AsString());
					}
					else
					{
						break;
					}
				}

				if (valid)
				{
					CreateStringVector(std::move(newValues), ppValue);
				}
			}
			break;

		case Type::IntVector:
			{
				bool valid = true;
				Vector<int> newValues;
				const Vector<ValuePtr> &values = AsValueVector();
				for (ValuePtr oldValue : values)
				{
					ValuePtr newValue;
					valid = oldValue->Convert(Type::Int, &newValue);
					if (valid)
					{
						newValues.Push(newValue->AsInt());
					}
					else
					{
						break;
					}
				}

				if (valid)
				{
					CreateIntVector(std::move(newValues), ppValue);
				}
			}
			break;

		case Type::DoubleVector:
			{
				bool valid = true;
				Vector<double> newValues;
				const Vector<ValuePtr> &values = AsValueVector();
				for (ValuePtr oldValue : values)
				{
					ValuePtr newValue;
					valid = oldValue->Convert(Type::Double, &newValue);
					if (valid)
					{
						newValues.Push(newValue->AsDouble());
					}
					else
					{
						break;
					}
				}

				if (valid)
				{
					CreateDoubleVector(std::move(newValues), ppValue);
				}
			}
			break;

		case Type::FloatVector:
			{
				bool valid = true;
				Vector<float> newValues;
				const Vector<ValuePtr> &values = AsValueVector();
				for (ValuePtr oldValue : values)
				{
					ValuePtr newValue;
					valid = oldValue->Convert(Type::Float, &newValue);
					if (valid)
					{
						newValues.Push(newValue->AsFloat());
					}
					else
					{
						break;
					}
				}

				if (valid)
				{
					CreateFloatVector(std::move(newValues), ppValue);
				}
			}
			break;
		}
		break;
	}

	if (*ppValue)
	{
		return true;
	}

	return false;
}