}
-bool scopeMatch(const QString &string, const QString &scopeRule, const bool &isRegEx,
- const bool &isCaseSensitive)
+QString tryFormatUnixEpoch(const QString &possibleEpochDate, Qt::DateFormat dateFormat, bool useUTC)
{
- // When isRegEx is false:
- // 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.
- //
- // When isRegEx is true:
- // A match happens when the normal regular expression matches. If prefixed with '!', the match
- // happens UNLESS the following regular expression matches.
-
- // 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.
-
- // Cache case sensitivity
- Qt::CaseSensitivity ruleExactCase = (isCaseSensitive ? Qt::CaseSensitive : Qt::CaseInsensitive);
-
- if (isRegEx) {
- // Regular expression tests
- // -------
- // Check if this is an inverted rule (starts with '!')
- if (scopeRule.startsWith("!")) {
- // Take the reminder of the string
- QRegExp ruleRx(scopeRule.mid(1), ruleExactCase);
- // Matching an inverted rule: matched (true) implies rule failure (false)
- return !ruleRx.exactMatch(string);
+ // 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;
+ }
+
+ // 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 {
- QRegExp ruleRx(scopeRule, ruleExactCase);
- // Matching a normal rule: matched (true) implies rule success (true)
- return ruleRx.exactMatch(string);
+ 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 {
- // Wildcard expression tests
- // -------
- // 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;
-
- // 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), ruleExactCase);
- ruleRx.setPatternSyntax(QRegExp::Wildcard);
- if (ruleRx.exactMatch(string)) {
- // Matches an inverted rule, full rule cannot match
- return false;
- }
- } else {
- // Normal rule found
- normalRuleFound = true;
-
- QRegExp ruleRx(rule, ruleExactCase);
- 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
- }
- }
- }
- // 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);
+ // Return local time
+ return date.toString(dateFormat);
}
}
+
+
+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