1 files changed, 200 insertions, 0 deletions
diff --git a/Swift/Controllers/HighlightRule.cpp b/Swift/Controllers/HighlightRule.cpp
new file mode 100644
index 0000000..01d1228
--- /dev/null
+++ b/Swift/Controllers/HighlightRule.cpp
@@ -0,0 +1,200 @@
+/*
+ * Copyright (c) 2012 Maciej Niedzielski
+ * Licensed under the simplified BSD license.
+ * See Documentation/Licenses/BSD-simplified.txt for more information.
+ */
+
+#include <algorithm>
+#include <boost/algorithm/string.hpp>
+#include <boost/lambda/lambda.hpp>
+
+#include <Swiften/Base/foreach.h>
+#include <Swift/Controllers/HighlightRule.h>
+
+namespace Swift {
+
+HighlightRule::HighlightRule()
+	: nickIsKeyword_(false)
+	, matchCase_(false)
+	, matchWholeWords_(false)
+	, matchChat_(false)
+	, matchMUC_(false)
+{
+}
+
+boost::regex HighlightRule::regexFromString(const std::string & s) const
+{
+	// escape regex special characters: ^.$| etc
+	// these need to be escaped: [\^\$\|.........]
+	// and then C++ requires '\' to be escaped, too....
+	static const boost::regex esc("([\\^\\.\\$\\|\\(\\)\\[\\]\\*\\+\\?\\/\\{\\}\\\\])");
+	// matched character should be prepended with '\'
+	// replace matched special character with \\\1
+	// and escape once more for C++ rules...
+	static const std::string rep("\\\\\\1");
+	std::string escaped = boost::regex_replace(s , esc, rep);
+
+	std::string word = matchWholeWords_ ? "\\b" : "";
+	boost::regex::flag_type flags = boost::regex::normal;
+	if (!matchCase_) {
+		flags |= boost::regex::icase;
+	}
+	return boost::regex(word + escaped + word, flags);
+}
+
+void HighlightRule::updateRegex() const
+{
+	keywordRegex_.clear();
+	foreach (const std::string & k, keywords_) {
+		keywordRegex_.push_back(regexFromString(k));
+	}
+	senderRegex_.clear();
+	foreach (const std::string & s, senders_) {
+		senderRegex_.push_back(regexFromString(s));
+	}
+}
+
+std::string HighlightRule::boolToString(bool b)
+{
+	return b ? "1" : "0";
+}
+
+bool HighlightRule::boolFromString(const std::string& s)
+{
+	return s == "1";
+}
+
+std::string HighlightRule::toString() const
+{
+	std::vector<std::string> v;
+	v.push_back(boost::join(senders_, "\t"));
+	v.push_back(boost::join(keywords_, "\t"));
+	v.push_back(boolToString(nickIsKeyword_));
+	v.push_back(boolToString(matchChat_));
+	v.push_back(boolToString(matchMUC_));
+	v.push_back(boolToString(matchCase_));
+	v.push_back(boolToString(matchWholeWords_));
+	v.push_back(boolToString(action_.highlightText()));
+	v.push_back(action_.getTextColor());
+	v.push_back(action_.getTextBackground());
+	v.push_back(boolToString(action_.playSound()));
+	v.push_back(action_.getSoundFile());
+	return boost::join(v, "\n");
+}
+
+HighlightRule HighlightRule::fromString(const std::string& s)
+{
+	std::vector<std::string> v;
+	boost::split(v, s, boost::is_any_of("\n"));
+
+	HighlightRule r;
+	int i = 0;
+	try {
+		boost::split(r.senders_, v.at(i++), boost::is_any_of("\t"));
+		r.senders_.erase(std::remove_if(r.senders_.begin(), r.senders_.end(), boost::lambda::_1 == ""), r.senders_.end());
+		boost::split(r.keywords_, v.at(i++), boost::is_any_of("\t"));
+		r.keywords_.erase(std::remove_if(r.keywords_.begin(), r.keywords_.end(), boost::lambda::_1 == ""), r.keywords_.end());
+		r.nickIsKeyword_ = boolFromString(v.at(i++));
+		r.matchChat_ = boolFromString(v.at(i++));
+		r.matchMUC_ = boolFromString(v.at(i++));
+		r.matchCase_ = boolFromString(v.at(i++));
+		r.matchWholeWords_ = boolFromString(v.at(i++));
+		r.action_.setHighlightText(boolFromString(v.at(i++)));
+		r.action_.setTextColor(v.at(i++));
+		r.action_.setTextBackground(v.at(i++));
+		r.action_.setPlaySound(boolFromString(v.at(i++)));
+		r.action_.setSoundFile(v.at(i++));
+	}
+	catch (std::out_of_range) {
+		// this may happen if more properties are added to HighlightRule object, etc...
+		// in such case, default values (set by default constructor) will be used
+	}
+
+	r.updateRegex();
+
+	return r;
+}
+
+bool HighlightRule::isMatch(const std::string& body, const std::string& sender, const std::string& nick, MessageType messageType) const
+{
+	if ((messageType == HighlightRule::ChatMessage && matchChat_) || (messageType == HighlightRule::MUCMessage && matchMUC_)) {
+
+		bool matchesKeyword = keywords_.empty() && (nick.empty() || !nickIsKeyword_);
+		bool matchesSender = senders_.empty();
+
+		foreach (const boost::regex & rx, keywordRegex_) {
+			if (boost::regex_search(body, rx)) {
+				matchesKeyword = true;
+				break;
+			}
+		}
+
+		if (!matchesKeyword && nickIsKeyword_ && !nick.empty()) {
+			if (boost::regex_search(body, regexFromString(nick))) {
+				matchesKeyword = true;
+			}
+		}
+
+		foreach (const boost::regex & rx, senderRegex_) {
+			if (boost::regex_search(sender, rx)) {
+				matchesSender = true;
+				break;
+			}
+		}
+
+		if (matchesKeyword && matchesSender) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+void HighlightRule::setSenders(const std::vector<std::string>& senders)
+{
+	senders_ = senders;
+	updateRegex();
+}
+
+void HighlightRule::setKeywords(const std::vector<std::string>& keywords)
+{
+	keywords_ = keywords;
+	updateRegex();
+}
+
+void HighlightRule::setNickIsKeyword(bool nickIsKeyword)
+{
+	nickIsKeyword_ = nickIsKeyword;
+	updateRegex();
+}
+
+void HighlightRule::setMatchCase(bool matchCase)
+{
+	matchCase_ = matchCase;
+	updateRegex();
+}
+
+void HighlightRule::setMatchWholeWords(bool matchWholeWords)
+{
+	matchWholeWords_ = matchWholeWords;
+	updateRegex();
+}
+
+void HighlightRule::setMatchChat(bool matchChat)
+{
+	matchChat_ = matchChat;
+	updateRegex();
+}
+
+void HighlightRule::setMatchMUC(bool matchMUC)
+{
+	matchMUC_ = matchMUC;
+	updateRegex();
+}
+
+bool HighlightRule::isEmpty() const
+{
+	return senders_.empty() && keywords_.empty() && !nickIsKeyword_ && !matchChat_ && !matchMUC_ && action_.isEmpty();
+}
+
+}