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Add Variant::toString()

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This commit is contained in:
Dušan Poizl 2023-03-09 18:25:54 +01:00
parent b5f6e6c4f6
commit 837da12911
2 changed files with 50 additions and 0 deletions

1
libxisf.h

@ -162,6 +162,7 @@ public:
const T& value() const { return std::get<T>(_value); }
template<typename T>
void setValue(const T& val) { _value = val; }
String toString() const;
};
struct LIBXISF_EXPORT DataBlock

49
variant.cpp

@ -406,4 +406,53 @@ const char* Variant::typeName() const
return "";
}
String Variant::toString() const
{
std::string string;
char str[32] = {0};
char *end = str + sizeof(str);
auto vectorString = [](auto &vector) {
std::stringstream ss;
ss << "{";
for(auto &i : vector)
ss << i << ",";
ss << "}";
return ss.str();
};
switch(type())
{
case Variant::Type::Int8: toChars<Int8>(_value, str, end); break;
case Variant::Type::UInt8: toChars<UInt8>(_value, str, end); break;
case Variant::Type::Int16: toChars<Int16>(_value, str, end); break;
case Variant::Type::UInt16: toChars<UInt16>(_value, str, end); break;
case Variant::Type::Int32: toChars<Int32>(_value, str, end); break;
case Variant::Type::UInt32: toChars<UInt32>(_value, str, end); break;
case Variant::Type::Int64: toChars<Int64>(_value, str, end); break;
case Variant::Type::UInt64: toChars<UInt64>(_value, str, end); break;
case Variant::Type::Float32: toChars<Float32>(_value, str, end); break;
case Variant::Type::Float64: toChars<Float64>(_value, str, end); break;
case Variant::Type::Complex32: toCharsComplex<Complex32>(_value, string); break;
case Variant::Type::Complex64: toCharsComplex<Complex64>(_value, string); break;
case Variant::Type::I8Vector: string = vectorString(std::get<I8Vector>(_value)); break;
case Variant::Type::UI8Vector: string = vectorString(std::get<UI8Vector>(_value)); break;
case Variant::Type::I16Vector: string = vectorString(std::get<I16Vector>(_value)); break;
case Variant::Type::UI16Vector: string = vectorString(std::get<UI16Vector>(_value)); break;
case Variant::Type::I32Vector: string = vectorString(std::get<I32Vector>(_value)); break;
case Variant::Type::UI32Vector: string = vectorString(std::get<UI32Vector>(_value)); break;
case Variant::Type::I64Vector: string = vectorString(std::get<I64Vector>(_value)); break;
case Variant::Type::UI64Vector: string = vectorString(std::get<UI64Vector>(_value)); break;
case Variant::Type::F32Vector: string = vectorString(std::get<F32Vector>(_value)); break;
case Variant::Type::F64Vector: string = vectorString(std::get<F64Vector>(_value)); break;
case Variant::Type::String: string = std::get<String>(_value); break;
default: string = typeName(); break;
}
if(type() >= Variant::Type::Int8 && type() <= Variant::Type::Float64)
string = str;
return string;
}
}