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/*
* Copyright (c) 2012 Kevin Smith
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include <Swift/Controllers/StatusCache.h>
#include <boost/algorithm/string.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/filesystem/fstream.hpp>
#include <boost/lambda/lambda.hpp>
#include <boost/lambda/bind.hpp>
#include <Swiften/Base/foreach.h>
#include <Swiften/Base/ByteArray.h>
#include <SwifTools/Application/ApplicationPathProvider.h>
namespace lambda = boost::lambda;
namespace Swift {
static const size_t MAX_ENTRIES = 200;
StatusCache::StatusCache(ApplicationPathProvider* paths) {
paths_ = paths;
path_ = paths_->getDataDir() / "StatusCache";
loadRecents();
}
StatusCache::~StatusCache() {
}
std::vector<StatusCache::PreviousStatus> StatusCache::getMatches(const std::string& substring, size_t maxCount) const {
std::vector<PreviousStatus> matches;
foreach (const PreviousStatus& status, previousStatuses_) {
if (substring.empty() || (boost::algorithm::ifind_first(status.first, substring) && substring != status.first)) {
matches.push_back(status);
if (matches.size() == maxCount) {
break;
}
}
}
return matches;
}
void StatusCache::addRecent(const std::string& text, StatusShow::Type type) {
if (text.empty()) {
return;
}
previousStatuses_.remove_if(lambda::bind(&PreviousStatus::first, lambda::_1) == text && lambda::bind(&PreviousStatus::second, lambda::_1) == type);
previousStatuses_.push_front(PreviousStatus(text, type));
for (size_t i = previousStatuses_.size(); i > MAX_ENTRIES; i--) {
previousStatuses_.pop_back();
}
saveRecents();
}
void StatusCache::loadRecents() {
try {
if (boost::filesystem::exists(path_)) {
ByteArray data;
readByteArrayFromFile(data, path_.string());
std::string stringData = byteArrayToString(data);
std::vector<std::string> lines;
boost::split(lines, stringData, boost::is_any_of("\n"));
foreach (const std::string& line, lines) {
std::vector<std::string> bits;
boost::split(bits, line, boost::is_any_of("\t"));
if (bits.size() < 2) {
continue;
}
StatusShow::Type type;
type = static_cast<StatusShow::Type>(boost::lexical_cast<size_t>(bits[0]));
previousStatuses_.push_back(PreviousStatus(boost::trim_copy(bits[1]), type));
}
}
}
catch (const boost::filesystem::filesystem_error& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
}
}
void StatusCache::saveRecents() {
try {
if (!boost::filesystem::exists(path_.parent_path())) {
boost::filesystem::create_directories(path_.parent_path());
}
boost::filesystem::ofstream file(path_);
foreach (const PreviousStatus& recent, previousStatuses_) {
std::string message = recent.first;
boost::replace_all(message, "\t", " ");
file << recent.second << "\t" << message << std::endl;
}
file.close();
}
catch (const boost::filesystem::filesystem_error& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
}
}
}
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Swift