160 lines
4.1 KiB
C++
160 lines
4.1 KiB
C++
/**
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* @file llsearchhistory.cpp
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* @brief Search history container implementation
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*
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* $LicenseInfo:firstyear=2009&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "llsearchhistory.h"
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#include "llfile.h"
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#include "llsdserialize.h"
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#include "llxmlnode.h"
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std::string LLSearchHistory::SEARCH_QUERY = "search_query";
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std::string LLSearchHistory::SEARCH_HISTORY_FILE_NAME = "search_history.txt";
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LLSearchHistory::LLSearchHistory()
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{
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}
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bool LLSearchHistory::load()
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{
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// build filename for each user
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std::string resolved_filename = getHistoryFilePath();
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llifstream file(resolved_filename.c_str());
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if (!file.is_open())
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{
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return false;
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}
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clearHistory();
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// add each line in the file to the list
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std::string line;
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LLPointer<LLSDParser> parser = new LLSDNotationParser();
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while (std::getline(file, line))
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{
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LLSD s_item;
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std::istringstream iss(line);
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if (parser->parse(iss, s_item, line.length()) == LLSDParser::PARSE_FAILURE)
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{
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break;
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}
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mSearchHistory.push_back(s_item);
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}
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file.close();
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return true;
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}
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bool LLSearchHistory::save()
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{
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// build filename for each user
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std::string resolved_filename = getHistoryFilePath();
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// delete the file if it is empty or contains only empty entries
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if (std::find_if(mSearchHistory.begin(), mSearchHistory.end(), [](const LLSearchHistoryItem& x)
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{
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return !x.search_query.empty();
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}) == mSearchHistory.end())
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{
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remove(resolved_filename.c_str());
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return true;
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}
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// open a file for writing
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llofstream file(resolved_filename.c_str());
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if (!file.is_open())
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{
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return false;
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}
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search_history_list_t::const_iterator it = mSearchHistory.begin();
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for (; mSearchHistory.end() != it; ++it)
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{
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file << LLSDOStreamer<LLSDNotationFormatter>((*it).toLLSD()) << std::endl;
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}
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file.close();
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return true;
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}
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std::string LLSearchHistory::getHistoryFilePath()
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{
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return gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, SEARCH_HISTORY_FILE_NAME);
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}
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void LLSearchHistory::addEntry(const std::string& search_query)
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{
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if(search_query.empty())
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{
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return;
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}
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search_history_list_t::iterator it =
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find(mSearchHistory.begin(), mSearchHistory.end(), search_query);
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if(mSearchHistory.end() != it)
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{
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mSearchHistory.erase(it);
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}
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LLSearchHistoryItem item(search_query);
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mSearchHistory.push_front(item);
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}
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bool LLSearchHistory::LLSearchHistoryItem::operator < (const LLSearchHistory::LLSearchHistoryItem& right) const
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{
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S32 result = LLStringUtil::compareInsensitive(search_query, right.search_query);
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return result < 0;
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}
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bool LLSearchHistory::LLSearchHistoryItem::operator > (const LLSearchHistory::LLSearchHistoryItem& right) const
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{
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S32 result = LLStringUtil::compareInsensitive(search_query, right.search_query);
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return result > 0;
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}
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bool LLSearchHistory::LLSearchHistoryItem::operator==(const LLSearchHistory::LLSearchHistoryItem& right) const
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{
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return 0 == LLStringUtil::compareInsensitive(search_query, right.search_query);
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}
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bool LLSearchHistory::LLSearchHistoryItem::operator==(const std::string& right) const
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{
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return 0 == LLStringUtil::compareInsensitive(search_query, right);
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}
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LLSD LLSearchHistory::LLSearchHistoryItem::toLLSD() const
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{
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LLSD ret;
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ret[SEARCH_QUERY] = search_query;
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return ret;
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}
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