const Timezone *Timezones::zone(const QString &name)
{
if (name.isEmpty())
return m_UTC;
ZoneMap::ConstIterator it = m_zones->find(name);
if (it != m_zones->end())
return it.value();
// Error.
return 0;
}
KTimeZone KTimeZones::zone(const QString &name) const
{
if (!name.isEmpty())
{
ZoneMap::ConstIterator it = d->zones.constFind(name);
if (it != d->zones.constEnd())
return it.value();
if (name == KTimeZone::utc().name())
return KTimeZone::utc();
}
return KTimeZone(); // error
}
Timezones::~Timezones()
{
// FIXME when needed:
// delete d;
// Autodelete behavior.
if (m_zones)
{
for (ZoneMap::ConstIterator it = m_zones->begin(); it != m_zones->end(); ++it)
{
delete it.value();
}
}
delete m_zones;
}
/*
* Find the location of the zoneinfo files and store in mZoneinfoDir.
* Parse zone.tab and for each time zone, create a KSystemTimeZone instance.
*/
void KSystemTimeZonesPrivate::readZoneTab(bool update)
{
kDebug(161) << "readZoneTab(" << m_zonetab<< ")";
QStringList newZones;
QFile f;
f.setFileName(m_zonetab);
if (!f.open(QIODevice::ReadOnly))
return;
QTextStream str(&f);
QRegExp lineSeparator("[ \t]");
QRegExp ordinateSeparator("[+-]");
if (!m_source)
m_source = new KSystemTimeZoneSource;
while (!str.atEnd())
{
QString line = str.readLine();
if (line.isEmpty() || line[0] == '#')
continue;
QStringList tokens = KStringHandler::perlSplit(lineSeparator, line, 4);
int n = tokens.count();
if (n < 3)
{
kError(161) << "readZoneTab(): invalid record: " << line << endl;
continue;
}
// Got three tokens. Now check for two ordinates plus first one is "".
int i = tokens[1].indexOf(ordinateSeparator, 1);
if (i < 0)
{
kError(161) << "readZoneTab() " << tokens[2] << ": invalid coordinates: " << tokens[1] << endl;
continue;
}
float latitude = convertCoordinate(tokens[1].left(i));
float longitude = convertCoordinate(tokens[1].mid(i));
// Add entry to list.
if (tokens[0] == "??")
tokens[0] = "";
// Solaris sets the empty Comments field to '-', making it not empty.
// Clean it up.
if (n > 3 && tokens[3] == "-")
tokens[3] = "";
KSystemTimeZone tz(m_source, tokens[2], tokens[0], latitude, longitude, (n > 3 ? tokens[3] : QString()));
if (update)
{
// Update the existing collection with the new zone definition
newZones += tz.name();
KTimeZone oldTz = zone(tz.name());
if (oldTz.isValid())
oldTz.updateBase(tz); // the zone previously existed, so update its definition
else
add(tz); // the zone didn't previously exist, so add it
}
else
add(tz);
}
f.close();
if (update)
{
// Remove any zones from the collection which no longer exist
const ZoneMap oldZones = zones();
for (ZoneMap::ConstIterator it = oldZones.constBegin(); it != oldZones.constEnd(); ++it)
{
if (newZones.indexOf(it.key()) < 0)
remove(it.value());
}
}
}