114 lines
3.9 KiB
C++
114 lines
3.9 KiB
C++
#include "Utils.h"
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#include <variant.hpp>
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using TimelineEvent = mtx::events::collections::TimelineEvents;
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QString
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utils::descriptiveTime(const QDateTime &then)
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{
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const auto now = QDateTime::currentDateTime();
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const auto days = then.daysTo(now);
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if (days == 0)
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return then.toString("HH:mm");
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else if (days < 2)
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return QString("Yesterday");
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else if (days < 365)
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return then.toString("dd/MM");
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return then.toString("dd/MM/yy");
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}
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DescInfo
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utils::getMessageDescription(const TimelineEvent &event,
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const QString &localUser,
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const QString &room_id)
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{
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using Audio = mtx::events::RoomEvent<mtx::events::msg::Audio>;
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using Emote = mtx::events::RoomEvent<mtx::events::msg::Emote>;
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using File = mtx::events::RoomEvent<mtx::events::msg::File>;
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using Image = mtx::events::RoomEvent<mtx::events::msg::Image>;
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using Notice = mtx::events::RoomEvent<mtx::events::msg::Notice>;
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using Text = mtx::events::RoomEvent<mtx::events::msg::Text>;
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using Video = mtx::events::RoomEvent<mtx::events::msg::Video>;
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if (mpark::holds_alternative<Audio>(event)) {
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return createDescriptionInfo<Audio>(event, localUser, room_id);
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} else if (mpark::holds_alternative<Emote>(event)) {
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return createDescriptionInfo<Emote>(event, localUser, room_id);
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} else if (mpark::holds_alternative<File>(event)) {
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return createDescriptionInfo<File>(event, localUser, room_id);
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} else if (mpark::holds_alternative<Image>(event)) {
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return createDescriptionInfo<Image>(event, localUser, room_id);
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} else if (mpark::holds_alternative<Notice>(event)) {
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return createDescriptionInfo<Notice>(event, localUser, room_id);
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} else if (mpark::holds_alternative<Text>(event)) {
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return createDescriptionInfo<Text>(event, localUser, room_id);
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} else if (mpark::holds_alternative<Video>(event)) {
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return createDescriptionInfo<Video>(event, localUser, room_id);
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} else if (mpark::holds_alternative<mtx::events::Sticker>(event)) {
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return createDescriptionInfo<mtx::events::Sticker>(event, localUser, room_id);
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}
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return DescInfo{};
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}
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QString
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utils::firstChar(const QString &input)
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{
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if (input.isEmpty())
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return input;
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for (auto const &c : input.toUcs4()) {
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if (QString::fromUcs4(&c, 1) != QString("#"))
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return QString::fromUcs4(&c, 1).toUpper();
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}
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return QString::fromUcs4(&input.toUcs4().at(0), 1).toUpper();
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}
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QString
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utils::humanReadableFileSize(uint64_t bytes)
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{
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constexpr static const char *units[] = {"B", "KiB", "MiB", "GiB", "TiB"};
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constexpr static const int length = sizeof(units) / sizeof(units[0]);
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int u = 0;
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double size = static_cast<double>(bytes);
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while (size >= 1024.0 && u < length) {
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++u;
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size /= 1024.0;
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}
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return QString::number(size, 'g', 4) + ' ' + units[u];
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}
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int
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utils::levenshtein_distance(const std::string &s1, const std::string &s2)
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{
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const int nlen = s1.size();
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const int hlen = s2.size();
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if (hlen == 0)
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return -1;
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if (nlen == 1)
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return s2.find(s1);
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std::vector<int> row1(hlen + 1, 0);
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for (int i = 0; i < nlen; ++i) {
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std::vector<int> row2(1, i + 1);
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for (int j = 0; j < hlen; ++j) {
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const int cost = s1[i] != s2[j];
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row2.push_back(
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std::min(row1[j + 1] + 1, std::min(row2[j] + 1, row1[j] + cost)));
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}
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row1.swap(row2);
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}
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return *std::min_element(row1.begin(), row1.end());
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}
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