/** * @file lllocationhistory.cpp * @brief Typed locations history * * $LicenseInfo:firstyear=2009&license=viewergpl$ * * Copyright (c) 2009, Linden Research, Inc. * * Second Life Viewer Source Code * The source code in this file ("Source Code") is provided by Linden Lab * to you under the terms of the GNU General Public License, version 2.0 * ("GPL"), unless you have obtained a separate licensing agreement * ("Other License"), formally executed by you and Linden Lab. Terms of * the GPL can be found in doc/GPL-license.txt in this distribution, or * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 * * There are special exceptions to the terms and conditions of the GPL as * it is applied to this Source Code. View the full text of the exception * in the file doc/FLOSS-exception.txt in this software distribution, or * online at * http://secondlifegrid.net/programs/open_source/licensing/flossexception * * By copying, modifying or distributing this software, you acknowledge * that you have read and understood your obligations described above, * and agree to abide by those obligations. * * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, * COMPLETENESS OR PERFORMANCE. * $/LicenseInfo$ */ #include "llviewerprecompiledheaders.h" #include "lllocationhistory.h" #include <iomanip> // for std::setw() #include "llui.h" #include "llsd.h" #include "llsdserialize.h" LLLocationHistory::LLLocationHistory() : mFilename("typed_locations.txt") { } void LLLocationHistory::addItem(const LLLocationHistoryItem& item) { static LLUICachedControl<S32> max_items("LocationHistoryMaxSize", 100); // check if this item doesn't duplicate any existing one location_list_t::iterator item_iter = std::find(mItems.begin(), mItems.end(),item); if(item_iter != mItems.end()){ mItems.erase(item_iter); } mItems.push_back(item); // If the vector size exceeds the maximum, purge the oldest items. if ((S32)mItems.size() > max_items) { for(location_list_t::iterator i = mItems.begin(); i != mItems.end()-max_items; ++i) { mItems.erase(i); } } } /* * @brief Try to find item in history. * If item has been founded, it will be places into end of history. * @return true - item has founded */ bool LLLocationHistory::touchItem(const LLLocationHistoryItem& item) { bool result = false; location_list_t::iterator item_iter = std::find(mItems.begin(), mItems.end(), item); // the last used item should be the first in the history if (item_iter != mItems.end()) { mItems.erase(item_iter); mItems.push_back(item); result = true; } return result; } void LLLocationHistory::removeItems() { mItems.clear(); } bool LLLocationHistory::getMatchingItems(std::string substring, location_list_t& result) const { // *TODO: an STL algorithm would look nicer result.clear(); std::string needle = substring; LLStringUtil::toLower(needle); for (location_list_t::const_iterator it = mItems.begin(); it != mItems.end(); ++it) { std::string haystack = it->getLocation(); LLStringUtil::toLower(haystack); if (haystack.find(needle) != std::string::npos) result.push_back(*it); } return result.size(); } void LLLocationHistory::dump() const { llinfos << "Location history dump:" << llendl; int i = 0; for (location_list_t::const_iterator it = mItems.begin(); it != mItems.end(); ++it, ++i) { llinfos << "#" << std::setw(2) << std::setfill('0') << i << ": " << it->getLocation() << llendl; } } void LLLocationHistory::save() const { // build filename for each user std::string resolved_filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, mFilename); // open a file for writing llofstream file (resolved_filename); if (!file.is_open()) { llwarns << "can't open location history file \"" << mFilename << "\" for writing" << llendl; return; } for (location_list_t::const_iterator it = mItems.begin(); it != mItems.end(); ++it) { file << LLSDOStreamer<LLSDNotationFormatter>((*it).toLLSD()) << std::endl; } file.close(); } void LLLocationHistory::load() { llinfos << "Loading location history." << llendl; // build filename for each user std::string resolved_filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, mFilename); llifstream file(resolved_filename); if (!file.is_open()) { llwarns << "can't load location history from file \"" << mFilename << "\"" << llendl; return; } removeItems(); // add each line in the file to the list std::string line; LLPointer<LLSDParser> parser = new LLSDNotationParser(); while (std::getline(file, line)) { LLSD s_item; std::istringstream iss(line); if (parser->parse(iss, s_item, line.length()) == LLSDParser::PARSE_FAILURE) { llinfos<< "Parsing saved teleport history failed" << llendl; break; } mItems.push_back(s_item); } file.close(); mLoadedSignal(); }