phoenix-firestorm/indra/newview/llsearchhistory.cpp

155 lines
4.0 KiB
C++

/**
* @file llsearchhistory.cpp
* @brief Search history container implementation
*
* $LicenseInfo:firstyear=2009&license=viewergpl$
*
* 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 "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();
llifstream file(resolved_filename);
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
llofstream file (resolved_filename);
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;
}