libikarus/src/values/value.cpp
Folling f847d30c06
implement toggle/number/text values
Signed-off-by: Folling <mail@folling.io>
2025-04-15 12:08:00 +02:00

69 lines
2.4 KiB
C++

#include "ikarus/values/value.h"
#include <fmt/format.h>
#include <cppbase/templates.hpp>
#include <values/number_value.hpp>
#include <values/text_value.hpp>
#include <values/toggle_value.hpp>
#include <values/value.hpp>
bool ikarus_value_is_indeterminate(IkarusValue const * value) {
return value->is_interminate();
}
void ikarus_value_set_indeterminate(IkarusValue * value, bool indeterminate) {
value->set_intermediate(indeterminate);
}
char const * ikarus_value_to_string(IkarusValue const * value) {
auto const str = std::visit(
cppbase::overloaded{
[](IkarusToggleValue const * toggle_value) -> std::string { return toggle_value->value ? "true" : "false"; },
[](IkarusNumberValue const * number_value) -> std::string { return fmt::format("{}", number_value->value); },
[](IkarusTextValue const * text_value) -> std::string { return fmt::format("{}", text_value->value); },
},
value->get_data()
);
auto * const ret = new char[str.size() + 1];
std::strncpy(ret, str.data(), str.size() + 1);
return ret;
}
void ikarus_value_visit(
IkarusValue * value,
void (*toggle_visitor)(IkarusToggleValue *, void *),
void (*number_visitor)(IkarusNumberValue *, void *),
void (*text_visitor)(IkarusTextValue *, void *),
void * data
) {
std::visit(
cppbase::overloaded{
[toggle_visitor, data](IkarusToggleValue * toggle_value) { toggle_visitor(toggle_value, data); },
[number_visitor, data](IkarusNumberValue * number_value) { number_visitor(number_value, data); },
[text_visitor, data](IkarusTextValue * text_value) { text_visitor(text_value, data); },
},
value->get_data()
);
}
void ikarus_value_visit_const(
IkarusValue const * value,
void (*toggle_visitor)(IkarusToggleValue const *, void *),
void (*number_visitor)(IkarusNumberValue const *, void *),
void (*text_visitor)(IkarusTextValue const *, void *),
void * data
) {
std::visit(
cppbase::overloaded{
[toggle_visitor, data](IkarusToggleValue const * toggle_value) { toggle_visitor(toggle_value, data); },
[number_visitor, data](IkarusNumberValue const * number_value) { number_visitor(number_value, data); },
[text_visitor, data](IkarusTextValue const * text_value) { text_visitor(text_value, data); },
},
value->get_data()
);
}