/***************************************************************************
- * Copyright (C) 2005-2014 by the Quassel Project *
+ * Copyright (C) 2005-2018 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
-#ifndef IGNORELISTMANAGER_H
-#define IGNORELISTMANAGER_H
+#pragma once
+
+#include "common-export.h"
#include <QString>
+#include <QStringList>
#include <QRegExp>
+#include <utility>
+#include "expressionmatch.h"
#include "message.h"
#include "syncableobject.h"
-class IgnoreListManager : public SyncableObject
+class COMMON_EXPORT IgnoreListManager : public SyncableObject
{
+ Q_OBJECT
SYNCABLE_OBJECT
- Q_OBJECT
+
public:
- inline IgnoreListManager(QObject *parent = 0) : SyncableObject(parent) { setAllowClientUpdates(true); }
+ inline IgnoreListManager(QObject *parent = nullptr) : SyncableObject(parent) { setAllowClientUpdates(true); }
IgnoreListManager &operator=(const IgnoreListManager &other);
enum IgnoreType {
ChannelScope,
};
- struct IgnoreListItem {
- IgnoreType type;
- QString ignoreRule;
- bool isRegEx;
- StrictnessType strictness;
- ScopeType scope;
- QString scopeRule;
- bool isActive;
- QRegExp regEx;
- IgnoreListItem() {}
- IgnoreListItem(IgnoreType type_, const QString &ignoreRule_, bool isRegEx_, StrictnessType strictness_,
- ScopeType scope_, const QString &scopeRule_, bool isActive_)
- : type(type_), ignoreRule(ignoreRule_), isRegEx(isRegEx_), strictness(strictness_), scope(scope_), scopeRule(scopeRule_), isActive(isActive_), regEx(ignoreRule_) {
- regEx.setCaseSensitivity(Qt::CaseInsensitive);
- if (!isRegEx_) {
- regEx.setPatternSyntax(QRegExp::Wildcard);
+ /**
+ * Individual ignore list rule
+ */
+ class COMMON_EXPORT IgnoreListItem {
+ public:
+ /**
+ * Construct an empty ignore rule
+ */
+ IgnoreListItem() = default;
+
+ /**
+ * Construct an ignore rule with the given parameters
+ *
+ * CAUTION: For legacy reasons, "contents" doubles as the identifier for the ignore rule.
+ * Duplicate entries are not allowed.
+ *
+ * @param type Type of ignore rule
+ * @param contents String representing a message contents expression to match
+ * @param isRegEx True if regular expression, otherwise false
+ * @param strictness Strictness of ignore rule
+ * @param scope What to match scope rule against
+ * @param scopeRule String representing a scope rule expression to match
+ * @param isEnabled True if enabled, otherwise false
+ */
+ IgnoreListItem(IgnoreType type, QString contents, bool isRegEx,
+ StrictnessType strictness, ScopeType scope, QString scopeRule,
+ bool isEnabled)
+ : _contents(std::move(contents)), _isRegEx(isRegEx), _strictness(strictness),
+ _scope(scope), _scopeRule(std::move(scopeRule)), _isEnabled(isEnabled)
+ {
+ // Allow passing empty "contents" as they can happen when editing an ignore rule
+
+ // Handle CTCP ignores
+ setType(type);
+
+ _cacheInvalid = true;
+ // Cache expression matches on construction
+ //
+ // This provides immediate feedback on errors when loading the rule. If profiling shows
+ // this as a performance bottleneck, this can be removed in deference to caching on
+ // first use.
+ //
+ // Inversely, if needed for validity checks, caching can be done on every update below
+ // instead of on first use.
+ determineExpressions();
+ }
+
+ /**
+ * Gets the type of this ignore rule
+ *
+ * @return IgnoreType of the rule
+ */
+ inline IgnoreType type() const {
+ return _type;
+ }
+ /**
+ * Sets the type of this ignore rule
+ *
+ * @param type IgnoreType of the rule
+ */
+ inline void setType(IgnoreType type) {
+ // Handle CTCP ignores
+ if (type == CtcpIgnore) {
+ // This is not performance-intensive; sticking with QRegExp for Qt 4 is fine
+ // Split based on whitespace characters
+ QStringList split(contents().split(QRegExp("\\s+"), QString::SkipEmptyParts));
+ // Match on the first item, handling empty rules/matches
+ if (!split.isEmpty()) {
+ // Take the first item as the sender
+ _cacheCtcpSender = split.takeFirst();
+ // Track the rest as CTCP types to ignore
+ _cacheCtcpTypes = split;
+ }
+ else {
+ // No match found - this can happen if a pure whitespace CTCP ignore rule is
+ // created. Fall back to matching all senders.
+ if (_isRegEx) {
+ // RegEx match everything
+ _cacheCtcpSender = ".*";
+ }
+ else {
+ // Wildcard match everything
+ _cacheCtcpSender = "*";
+ }
+ // Clear the types (split is already empty)
+ _cacheCtcpTypes = split;
+ }
}
+ _type = type;
}
- bool operator!=(const IgnoreListItem &other)
- {
- return (type != other.type ||
- ignoreRule != other.ignoreRule ||
- isRegEx != other.isRegEx ||
- strictness != other.strictness ||
- scope != other.scope ||
- scopeRule != other.scopeRule ||
- isActive != other.isActive);
+
+ /**
+ * Gets the message contents this rule matches
+ *
+ * NOTE: Use IgnoreListItem::contentsMatcher() for performing matches
+ *
+ * CAUTION: For legacy reasons, "contents" doubles as the identifier for the ignore rule.
+ * Duplicate entries are not allowed.
+ *
+ * @return String representing a phrase or expression to match
+ */
+ inline QString contents() const {
+ return _contents;
+ }
+ /**
+ * Sets the message contents this rule matches
+ *
+ * @param contents String representing a phrase or expression to match
+ */
+ inline void setContents(const QString &contents) {
+ // Allow passing empty "contents" as they can happen when editing an ignore rule
+ _contents = contents;
+ _cacheInvalid = true;
+ }
+
+ /**
+ * Gets if this is a regular expression rule
+ *
+ * @return True if regular expression, otherwise false
+ */
+ inline bool isRegEx() const {
+ return _isRegEx;
+ }
+ /**
+ * Sets if this rule is a regular expression rule
+ *
+ * @param isRegEx True if regular expression, otherwise false
+ */
+ inline void setIsRegEx(bool isRegEx) {
+ _isRegEx = isRegEx;
+ _cacheInvalid = true;
+ }
+
+ /**
+ * Gets the strictness of this ignore rule
+ *
+ * @return StrictnessType of the rule
+ */
+ inline StrictnessType strictness() const {
+ return _strictness;
+ }
+ /**
+ * Sets the strictness of this ignore rule
+ *
+ * @param strictness StrictnessType of the rule
+ */
+ inline void setStrictness(StrictnessType strictness) {
+ _strictness = strictness;
+ }
+
+ /**
+ * Gets what to match scope rule against
+ *
+ * @return ScopeType of the rule
+ */
+ inline ScopeType scope() const {
+ return _scope;
+ }
+ /**
+ * Sets what to match scope rule against
+ *
+ * @param type ScopeType of the rule
+ */
+ inline void setScope(ScopeType scope) {
+ _scope = scope;
+ }
+
+ /**
+ * Gets the scope rule this rule matches
+ *
+ * NOTE: Use IgnoreListItem::scopeRuleMatcher() for performing matches
+ *
+ * @return String representing a phrase or expression to match
+ */
+ inline QString scopeRule() const {
+ return _scopeRule;
}
+ /**
+ * Sets the scope rule this rule matches
+ *
+ * @param scopeRule String representing a phrase or expression to match
+ */
+ inline void setScopeRule(const QString &scopeRule) {
+ _scopeRule = scopeRule;
+ _cacheInvalid = true;
+ }
+
+ /**
+ * Gets if this rule is enabled and active
+ *
+ * @return True if enabled, otherwise false
+ */
+ inline bool isEnabled() const {
+ return _isEnabled;
+ }
+ /**
+ * Sets if this rule is enabled and active
+ *
+ * @param isEnabled True if enabled, otherwise false
+ */
+ inline void setIsEnabled(bool isEnabled) {
+ _isEnabled = isEnabled;
+ }
+
+ /**
+ * Gets the ignored CTCP types for CTCP ignores
+ *
+ * @return List of CTCP types to ignore, or empty for all
+ */
+ inline QStringList ctcpTypes() const {
+ return _cacheCtcpTypes;
+ }
+
+ /**
+ * Gets the expression matcher for the message contents, caching if needed
+ *
+ * @return Expression matcher to compare with message contents
+ */
+ inline ExpressionMatch contentsMatcher() const {
+ if (_cacheInvalid) {
+ determineExpressions();
+ }
+ return _contentsMatch;
+ }
+
+ /**
+ * Gets the expression matcher for the scope, caching if needed
+ *
+ * @return Expression matcher to compare with scope
+ */
+ inline ExpressionMatch scopeRuleMatcher() const {
+ if (_cacheInvalid) {
+ determineExpressions();
+ }
+ return _scopeRuleMatch;
+ }
+
+ /**
+ * Gets the expression matcher for the message contents, caching if needed
+ *
+ * @return Expression matcher to compare with message contents
+ */
+ inline ExpressionMatch senderCTCPMatcher() const {
+ if (_cacheInvalid) {
+ determineExpressions();
+ }
+ return _ctcpSenderMatch;
+ }
+
+ bool operator!=(const IgnoreListItem &other) const;
+
+ private:
+ /**
+ * Update internal cache of expression matching if needed
+ */
+ void determineExpressions() const;
+
+ IgnoreType _type = {};
+ QString _contents = {};
+ bool _isRegEx = false;
+ StrictnessType _strictness = {};
+ ScopeType _scope = {};
+ QString _scopeRule = {};
+ bool _isEnabled = true;
+
+ QString _cacheCtcpSender = {}; ///< For CTCP rules, precalculate sender
+ QStringList _cacheCtcpTypes = {}; ///< For CTCP rules, precalculate types
+
+ // These represent internal cache and should be safe to mutate in 'const' functions
+ // See https://stackoverflow.com/questions/3141087/what-is-meant-with-const-at-end-of-function-declaration
+ mutable bool _cacheInvalid = true; ///< If true, match cache needs redone
+ mutable ExpressionMatch _contentsMatch = {}; ///< Expression match cache for message
+ mutable ExpressionMatch _scopeRuleMatch = {}; ///< Expression match cache for scope rule
+ mutable ExpressionMatch _ctcpSenderMatch = {}; ///< Expression match cache for CTCP nick
};
- typedef QList<IgnoreListItem> IgnoreList;
+
+ using IgnoreList = QList<IgnoreListItem>;
int indexOf(const QString &ignore) const;
inline bool contains(const QString &ignore) const { return indexOf(ignore) != -1; }
protected:
void setIgnoreList(const QList<IgnoreListItem> &ignoreList) { _ignoreList = ignoreList; }
- bool scopeMatch(const QString &scopeRule, const QString &string) const; // scopeRule is a ';'-separated list, string is a network/channel-name
StrictnessType _match(const QString &msgContents, const QString &msgSender, Message::Type msgType, const QString &network, const QString &bufferName);
private:
IgnoreList _ignoreList;
};
-
-
-#endif // IGNORELISTMANAGER_H
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