// Q_ASSERT(sizeof(const char) == sizeof(quint8)); // In God we trust...
bool isUtf8 = true;
int cnt = 0;
- for (int i = 0; i < input.size(); i++) {
+ for (uchar c : input) {
if (cnt) {
// We check a part of a multibyte char. These need to be of the form 10yyyyyy.
- if ((input[i] & 0xc0) != 0x80) { isUtf8 = false; break; }
+ if ((c & 0xc0) != 0x80) { isUtf8 = false; break; }
cnt--;
continue;
}
- if ((input[i] & 0x80) == 0x00) continue; // 7 bit is always ok
- if ((input[i] & 0xf8) == 0xf0) { cnt = 3; continue; } // 4-byte char 11110xxx 10yyyyyy 10zzzzzz 10vvvvvv
- if ((input[i] & 0xf0) == 0xe0) { cnt = 2; continue; } // 3-byte char 1110xxxx 10yyyyyy 10zzzzzz
- if ((input[i] & 0xe0) == 0xc0) { cnt = 1; continue; } // 2-byte char 110xxxxx 10yyyyyy
+ if ((c & 0x80) == 0x00) continue; // 7 bit is always ok
+ if ((c & 0xf8) == 0xf0) { cnt = 3; continue; } // 4-byte char 11110xxx 10yyyyyy 10zzzzzz 10vvvvvv
+ if ((c & 0xf0) == 0xe0) { cnt = 2; continue; } // 3-byte char 1110xxxx 10yyyyyy 10zzzzzz
+ if ((c & 0xe0) == 0xc0) { cnt = 1; continue; } // 2-byte char 110xxxxx 10yyyyyy
isUtf8 = false; break; // 8 bit char, but not utf8!
}
if (isUtf8 && cnt == 0) {
if (timeInSeconds != 0) {
QStringList returnString;
- for (int i = 0; i < timeUnit.size(); i++) {
- int n = timeInSeconds / timeUnit[i].first;
+ for (const auto &tu : timeUnit) {
+ int n = timeInSeconds / tu.first;
if (n > 0) {
- returnString += QString("%1 %2").arg(QString::number(n), timeUnit[i].second);
+ returnString += QString("%1 %2").arg(QString::number(n), tu.second);
}
- timeInSeconds = timeInSeconds % timeUnit[i].first;
+ timeInSeconds = timeInSeconds % tu.first;
}
return returnString.join(", ");
}
- else {
- return QString("%1 %2").arg(QString::number(timeInSeconds), timeUnit.last().second);
- }
+
+ return QString("%1 %2").arg(QString::number(timeInSeconds), timeUnit.last().second);
}
}
-bool scopeMatch(const QString &scopeRule, const QString &string)
+QString tryFormatUnixEpoch(const QString &possibleEpochDate, Qt::DateFormat dateFormat, bool useUTC)
{
- // A match happens when the string does NOT match ANY inverted rules and matches AT LEAST one
- // normal rule, unless no normal rules exist (implicit wildcard match). This gives inverted
- // rules higher priority regardless of ordering.
- //
- // TODO: After switching to Qt 5, use of this should be split into two parts, one part that
- // would generate compiled QRegularExpressions for match/inverted match, regenerating it on any
- // rule changes, and another part that would check each message against these compiled rules.
-
- // Keep track if any matches are found
- bool matches = false;
- // Keep track if normal rules and inverted rules are found, allowing for implicit wildcard
- bool normalRuleFound = false, invertedRuleFound = false;
-
- // Split each scope rule by separator, ignoring empty parts
- foreach(QString rule, scopeRule.split(";", QString::SkipEmptyParts)) {
- // Trim whitespace from the start/end of the rule
- rule = rule.trimmed();
- // Ignore empty rules
- if (rule.isEmpty())
- continue;
+ // Does the string resemble a Unix epoch? Parse as 64-bit time
+ qint64 secsSinceEpoch = possibleEpochDate.toLongLong();
+ if (secsSinceEpoch == 0) {
+ // Parsing either failed, or '0' was sent. No need to distinguish; either way, it's not
+ // useful as epoch.
+ // See https://doc.qt.io/qt-5/qstring.html#toLongLong
+ return possibleEpochDate;
+ }
- // Check if this is an inverted rule (starts with '!')
- if (rule.startsWith("!")) {
- // Inverted rule found
- invertedRuleFound = true;
-
- // Take the reminder of the string
- QRegExp ruleRx(rule.mid(1), Qt::CaseInsensitive);
- ruleRx.setPatternSyntax(QRegExp::Wildcard);
- if (ruleRx.exactMatch(string)) {
- // Matches an inverted rule, full rule cannot match
- return false;
- }
+ // Time checks out, parse it
+ QDateTime date;
+#if QT_VERSION >= 0x050800
+ date.setSecsSinceEpoch(secsSinceEpoch);
+#else
+ // toSecsSinceEpoch() was added in Qt 5.8. Manually downconvert to seconds for now.
+ // See https://doc.qt.io/qt-5/qdatetime.html#toMSecsSinceEpoch
+ date.setMSecsSinceEpoch(secsSinceEpoch * 1000);
+#endif
+
+ // Return the localized date/time
+ if (useUTC) {
+ // Return UTC time
+ if (dateFormat == Qt::DateFormat::ISODate) {
+ // Replace the "T" date/time separator with " " for readability. This isn't quite the
+ // ISO 8601 spec (it specifies omitting the "T" entirely), but RFC 3339 allows this.
+ // Go with RFC 3339 for human readability that's still machine-parseable, too.
+ //
+ // Before: 2018-06-21T21:35:52Z
+ // After: 2018-06-21 21:35:52Z
+ // ..........^ (10th character)
+ //
+ // See https://en.wikipedia.org/wiki/ISO_8601#cite_note-32
+ // And https://www.ietf.org/rfc/rfc3339.txt
+ return date.toUTC().toString(dateFormat).replace(10, 1, " ");
} else {
- // Normal rule found
- normalRuleFound = true;
-
- QRegExp ruleRx(rule, Qt::CaseInsensitive);
- ruleRx.setPatternSyntax(QRegExp::Wildcard);
- if (ruleRx.exactMatch(string)) {
- // Matches a normal rule, full rule might match
- matches = true;
- // Continue checking in case other inverted rules negate this
- }
+ return date.toUTC().toString(dateFormat);
}
+ } else if (dateFormat == Qt::DateFormat::ISODate) {
+ // Add in ISO local timezone information via special handling below
+ // formatDateTimeToOffsetISO() handles converting "T" to " "
+ return formatDateTimeToOffsetISO(date);
+ } else {
+ // Return local time
+ return date.toString(dateFormat);
}
- // No inverted rules matched, okay to match normally
- // Return true if...
- // ...we found a normal match
- // ...implicit wildcard: we had inverted rules (that didn't match) and no normal rules
- return matches || (invertedRuleFound && !normalRuleFound);
+}
+
+
+QString formatDateTimeToOffsetISO(const QDateTime &dateTime)
+{
+ if (!dateTime.isValid()) {
+ // Don't try to do anything with invalid date/time
+ return "formatDateTimeToISO() invalid date/time";
+ }
+
+ // Replace the "T" date/time separator with " " for readability. This isn't quite the ISO 8601
+ // spec (it specifies omitting the "T" entirely), but RFC 3339 allows this. Go with RFC 3339
+ // for human readability that's still machine-parseable, too.
+ //
+ // Before: 2018-08-22T18:43:10-05:00
+ // After: 2018-08-22 18:43:10-05:00
+ // ..........^ (10th character)
+ //
+ // See https://en.wikipedia.org/wiki/ISO_8601#cite_note-32
+ // And https://www.ietf.org/rfc/rfc3339.txt
+
+#if 0
+ // The expected way to get a UTC offset on ISO 8601 dates
+ // Remove the "T" date/time separator
+ return dateTime.toTimeSpec(Qt::OffsetFromUTC).toString(Qt::ISODate).replace(10, 1, " ");
+#else
+ // Work around Qt bug that converts to UTC instead of including timezone information
+ // See https://bugreports.qt.io/browse/QTBUG-26161
+ //
+ // NOTE: Despite the bug report marking as fixed in Qt 5.2.0 (QT_VERSION >= 0x050200), this
+ // still appears broken in Qt 5.5.1.
+ //
+ // Credit to "user362638" for the solution below, modified to fit Quassel's needs
+ // https://stackoverflow.com/questions/18750569/qdatetime-isodate-with-timezone
+
+ // Get the local and UTC time
+ QDateTime local = QDateTime(dateTime);
+ QDateTime utc = local.toUTC();
+ utc.setTimeSpec(Qt::LocalTime);
+
+ // Find the UTC offset
+ int utcOffset = utc.secsTo(local);
+
+ // Force the local time to follow this offset
+ local.setUtcOffset(utcOffset);
+ // Now the output should be correct
+ // Remove the "T" date/time separator
+ return local.toString(Qt::ISODate).replace(10, 1, " ");
+#endif
}
projects / quassel.git / blobdiff