transmission/qt/VariantHelpers.cc

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// This file Copyright © 2020-2022 Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
#include "VariantHelpers.h"
#include <cmath>
#include <limits>
#include <string_view>
#include <QUrl>
#include "Application.h" // qApp
#include "Filters.h"
#include "Speed.h"
#include "Torrent.h"
namespace trqt::variant_helpers
{
bool change(double& setme, double const& value)
{
bool const changed = std::fabs(setme - value) > std::numeric_limits<double>::epsilon();
if (changed)
{
setme = value;
}
return changed;
}
bool change(Speed& setme, tr_variant const* value)
{
auto const bytes_per_second = getValue<int>(value);
return bytes_per_second && change(setme, Speed::fromBps(*bytes_per_second));
}
bool change(TorrentHash& setme, tr_variant const* value)
{
auto const hash_string = getValue<std::string_view>(value);
return hash_string && change(setme, TorrentHash(hash_string->data()));
}
bool change(Peer& setme, tr_variant const* value)
{
auto changed = bool{ false };
auto pos = size_t{ 0 };
auto key = tr_quark{};
tr_variant* child = nullptr;
while (tr_variantDictChild(const_cast<tr_variant*>(value), pos++, &key, &child))
{
switch (key)
{
#define HANDLE_KEY(key, field) \
case TR_KEY_##key: \
changed = change(setme.field, child) || changed; \
break;
HANDLE_KEY(address, address)
HANDLE_KEY(clientIsChoked, client_is_choked)
HANDLE_KEY(clientIsInterested, client_is_interested)
HANDLE_KEY(clientName, client_name)
HANDLE_KEY(flagStr, flags)
HANDLE_KEY(isDownloadingFrom, is_downloading_from)
HANDLE_KEY(isEncrypted, is_encrypted)
HANDLE_KEY(isIncoming, is_incoming)
HANDLE_KEY(isUploadingTo, is_uploading_to)
HANDLE_KEY(peerIsChoked, peer_is_choked)
HANDLE_KEY(peerIsInterested, peer_is_interested)
HANDLE_KEY(port, port)
HANDLE_KEY(progress, progress)
HANDLE_KEY(rateToClient, rate_to_client)
HANDLE_KEY(rateToPeer, rate_to_peer)
#undef HANDLE_KEY
default:
break;
}
}
return changed;
}
bool change(TorrentFile& setme, tr_variant const* value)
{
auto changed = bool{ false };
auto pos = size_t{ 0 };
auto key = tr_quark{};
tr_variant* child = nullptr;
while (tr_variantDictChild(const_cast<tr_variant*>(value), pos++, &key, &child))
{
switch (key)
{
#define HANDLE_KEY(key) \
case TR_KEY_##key: \
changed = change(setme.key, child) || changed; \
break;
HANDLE_KEY(have)
HANDLE_KEY(priority)
HANDLE_KEY(wanted)
#undef HANDLE_KEY
#define HANDLE_KEY(key, field) \
case TR_KEY_##key: \
changed = change(setme.field, child) || changed; \
break;
HANDLE_KEY(bytesCompleted, have)
HANDLE_KEY(length, size)
HANDLE_KEY(name, filename)
#undef HANDLE_KEY
default:
break;
}
}
return changed;
}
bool change(TrackerStat& setme, tr_variant const* value)
{
bool changed = false;
bool site_changed = false;
auto pos = size_t{ 0 };
auto key = tr_quark{};
tr_variant* child = nullptr;
while (tr_variantDictChild(const_cast<tr_variant*>(value), pos++, &key, &child))
{
bool field_changed = false;
switch (key)
{
#define HANDLE_KEY(key, field) \
case TR_KEY_##key: \
field_changed = change(setme.field, child); \
break;
HANDLE_KEY(announce, announce)
HANDLE_KEY(announceState, announce_state)
HANDLE_KEY(downloadCount, download_count)
HANDLE_KEY(hasAnnounced, has_announced)
HANDLE_KEY(hasScraped, has_scraped)
HANDLE_KEY(id, id)
HANDLE_KEY(isBackup, is_backup)
HANDLE_KEY(lastAnnouncePeerCount, last_announce_peer_count)
HANDLE_KEY(lastAnnounceResult, last_announce_result)
HANDLE_KEY(lastAnnounceStartTime, last_announce_start_time)
HANDLE_KEY(lastAnnounceSucceeded, last_announce_succeeded)
HANDLE_KEY(lastAnnounceTime, last_announce_time)
HANDLE_KEY(lastAnnounceTimedOut, last_announce_timed_out)
HANDLE_KEY(lastScrapeResult, last_scrape_result)
HANDLE_KEY(lastScrapeStartTime, last_scrape_start_time)
HANDLE_KEY(lastScrapeSucceeded, last_scrape_succeeded)
HANDLE_KEY(lastScrapeTime, last_scrape_time)
HANDLE_KEY(lastScrapeTimedOut, last_scrape_timed_out)
HANDLE_KEY(leecherCount, leecher_count)
HANDLE_KEY(nextAnnounceTime, next_announce_time)
HANDLE_KEY(nextScrapeTime, next_scrape_time)
HANDLE_KEY(scrapeState, scrape_state)
HANDLE_KEY(seederCount, seeder_count)
HANDLE_KEY(sitename, sitename)
HANDLE_KEY(tier, tier)
#undef HANDLE_KEY
default:
break;
}
if (field_changed)
{
site_changed |= key == TR_KEY_announce || key == TR_KEY_sitename;
}
changed = true;
}
if (site_changed && !setme.sitename.isEmpty() && !setme.announce.isEmpty())
{
setme.announce = trApp->intern(setme.announce);
trApp->faviconCache().add(setme.sitename, setme.announce);
}
return changed;
}
///
void variantInit(tr_variant* init_me, bool value)
{
tr_variantInitBool(init_me, value);
}
void variantInit(tr_variant* init_me, int64_t value)
{
tr_variantInitInt(init_me, value);
}
void variantInit(tr_variant* init_me, int value)
{
tr_variantInitInt(init_me, value);
}
void variantInit(tr_variant* init_me, double value)
{
tr_variantInitReal(init_me, value);
}
void variantInit(tr_variant* init_me, QByteArray const& value)
{
tr_variantInitRaw(init_me, value.constData(), value.size());
}
void variantInit(tr_variant* init_me, QString const& value)
{
variantInit(init_me, value.toUtf8());
}
void variantInit(tr_variant* init_me, std::string_view value)
{
tr_variantInitStr(init_me, value);
}
} // namespace trqt::variant_helpers