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