-bool IgnoreListManager::scopeMatch(const QString &scopeRule, const QString &string) const
-{
- // 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;
-
- // 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;
- }
- } 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
- }
- }
- }
- // 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);
-}
-
-