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/*
* Copyright (c) 2012 Maciej Niedzielski
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
#include <cassert>
#include <boost/algorithm/string.hpp>
#include <boost/regex.hpp>
#include <boost/bind.hpp>
#include <boost/numeric/conversion/cast.hpp>
#include <boost/serialization/vector.hpp>
#include <boost/archive/text_oarchive.hpp>
#include <boost/archive/text_iarchive.hpp>
#include <Swiften/Base/foreach.h>
#include <Swift/Controllers/HighlightManager.h>
#include <Swift/Controllers/Highlighter.h>
#include <Swift/Controllers/Settings/SettingsProvider.h>
#include <Swift/Controllers/SettingConstants.h>
/* How does highlighting work?
*
* HighlightManager manages a list of if-then rules used to highlight messages.
* Rule is represented by HighlightRule. Action ("then" part) is HighlightAction.
*
*
* HighlightManager is also used as a factory for Highlighter objects.
* Each ChatControllerBase has its own Highlighter.
* Highligher may be customized by using setNick(), etc.
*
* ChatControllerBase passes incoming messages to Highlighter and gets HighlightAction in return
* (first matching rule is returned).
* If needed, HighlightAction is then passed back to Highlighter for further handling.
* This results in HighlightManager emiting onHighlight event,
* which is handled by SoundController to play sound notification
*/
namespace Swift {
HighlightManager::HighlightManager(SettingsProvider* settings)
: settings_(settings)
, storingSettings_(false)
{
rules_ = boost::make_shared<HighlightRulesList>();
loadSettings();
settings_->onSettingChanged.connect(boost::bind(&HighlightManager::handleSettingChanged, this, _1));
}
void HighlightManager::handleSettingChanged(const std::string& settingPath)
{
if (!storingSettings_ && SettingConstants::HIGHLIGHT_RULES.getKey() == settingPath) {
loadSettings();
}
}
std::string HighlightManager::rulesToString() const
{
std::stringstream stream;
boost::archive::text_oarchive archive(stream);
archive << rules_->list_;
return stream.str();
}
std::vector<HighlightRule> HighlightManager::getDefaultRules()
{
std::vector<HighlightRule> rules;
HighlightRule r;
r.setMatchChat(true);
r.getAction().setPlaySound(true);
rules.push_back(r);
return rules;
}
HighlightRule HighlightManager::getRule(int index) const
{
assert(index >= 0 && static_cast<size_t>(index) < rules_->getSize());
return rules_->getRule(static_cast<size_t>(index));
}
void HighlightManager::setRule(int index, const HighlightRule& rule)
{
assert(index >= 0 && static_cast<size_t>(index) < rules_->getSize());
rules_->list_[static_cast<size_t>(index)] = rule;
}
void HighlightManager::insertRule(int index, const HighlightRule& rule)
{
assert(index >= 0 && boost::numeric_cast<std::vector<std::string>::size_type>(index) <= rules_->getSize());
rules_->list_.insert(rules_->list_.begin() + index, rule);
}
void HighlightManager::removeRule(int index)
{
assert(index >= 0 && boost::numeric_cast<std::vector<std::string>::size_type>(index) < rules_->getSize());
rules_->list_.erase(rules_->list_.begin() + index);
}
void HighlightManager::storeSettings()
{
storingSettings_ = true; // don't reload settings while saving
settings_->storeSetting(SettingConstants::HIGHLIGHT_RULES, rulesToString());
storingSettings_ = false;
}
void HighlightManager::loadSettings()
{
std::string rulesString = settings_->getSetting(SettingConstants::HIGHLIGHT_RULES);
if (rulesString.length()) {
std::stringstream stream;
stream << rulesString;
try {
boost::archive::text_iarchive archive(stream);
archive >> rules_->list_;
} catch (boost::archive::archive_exception&) {
/* archive corrupted */
}
}
}
Highlighter* HighlightManager::createHighlighter()
{
return new Highlighter(this);
}
}
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Swift