lib_ui/ui/text/text_variant.cpp
2022-02-28 08:07:44 +03:00

48 lines
1.6 KiB
C++

// This file is part of Desktop App Toolkit,
// a set of libraries for developing nice desktop applications.
//
// For license and copyright information please follow this link:
// https://github.com/desktop-app/legal/blob/master/LEGAL
//
#include "ui/text/text_variant.h"
namespace v::text {
rpl::producer<QString> take_plain(
data &&d,
rpl::producer<QString> &&fallback) {
if (const auto empty = std::get_if<0>(&d)) {
return std::move(fallback);
} else if (const auto plainPtr = std::get_if<1>(&d)) {
return rpl::single(base::take(*plainPtr));
} else if (const auto rplPlainPtr = std::get_if<2>(&d)) {
return base::take(*rplPlainPtr);
} else if (const auto markedPtr = std::get_if<3>(&d)) {
return rpl::single(base::take(*markedPtr).text);
} else if (const auto rplMarkedPtr = std::get_if<4>(&d)) {
return base::take(*rplMarkedPtr) | rpl::map([](const auto &marked) {
return marked.text;
});
}
Unexpected("Bad variant in take_plain.");
}
rpl::producer<TextWithEntities> take_marked(
data &&d,
rpl::producer<TextWithEntities> &&fallback) {
if (const auto empty = std::get_if<0>(&d)) {
return std::move(fallback);
} else if (const auto plainPtr = std::get_if<1>(&d)) {
return rpl::single(TextWithEntities{ base::take(*plainPtr) });
} else if (const auto rplPlainPtr = std::get_if<2>(&d)) {
return base::take(*rplPlainPtr) | rpl::map(TextWithEntities::Simple);
} else if (const auto markedPtr = std::get_if<3>(&d)) {
return rpl::single(base::take(*markedPtr));
} else if (const auto rplMarkedPtr = std::get_if<4>(&d)) {
return base::take(*rplMarkedPtr);
}
Unexpected("Bad variant in take_marked.");
}
} // namespace v::text