66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
/*
|
|
This file is part of Telegram Desktop,
|
|
the official desktop application for the Telegram messaging service.
|
|
|
|
For license and copyright information please follow this link:
|
|
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
|
|
*/
|
|
#include "ui/text/text_utilities.h"
|
|
|
|
namespace Ui {
|
|
namespace Text {
|
|
namespace {
|
|
|
|
TextWithEntities WithSingleEntity(
|
|
const QString &text,
|
|
EntityType type,
|
|
const QString &data = QString()) {
|
|
auto result = TextWithEntities{ text };
|
|
result.entities.push_back({ type, 0, text.size(), data });
|
|
return result;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
TextWithEntities Bold(const QString &text) {
|
|
return WithSingleEntity(text, EntityType::Bold);
|
|
}
|
|
|
|
TextWithEntities Link(const QString &text, const QString &url) {
|
|
return WithSingleEntity(text, EntityType::CustomUrl, url);
|
|
}
|
|
|
|
TextWithEntities RichLangValue(const QString &text) {
|
|
static const auto kStart = QRegularExpression("(\\*\\*|__)");
|
|
|
|
auto result = TextWithEntities();
|
|
auto offset = 0;
|
|
while (offset < text.size()) {
|
|
const auto m = kStart.match(text, offset);
|
|
if (!m.hasMatch()) {
|
|
result.text.append(text.midRef(offset));
|
|
break;
|
|
}
|
|
const auto position = m.capturedStart();
|
|
const auto from = m.capturedEnd();
|
|
const auto tag = m.capturedRef();
|
|
const auto till = text.indexOf(tag, from + 1);
|
|
if (till <= from) {
|
|
offset = from;
|
|
continue;
|
|
}
|
|
if (position > offset) {
|
|
result.text.append(text.midRef(offset, position - offset));
|
|
}
|
|
const auto type = (tag == qstr("__"))
|
|
? EntityType::Italic
|
|
: EntityType::Bold;
|
|
result.entities.push_back({ type, result.text.size(), till - from });
|
|
result.text.append(text.midRef(from, till - from));
|
|
offset = till + tag.size();
|
|
}
|
|
return result;
|
|
}
|
|
|
|
} // namespace Text
|
|
} // namespace Ui
|