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