59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
/* Copyright (C) 2007 J.F.Dockes
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "log.h"
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#include "readfile.h"
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#include "unacpp.h"
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#include "smallut.h"
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#include "stoplist.h"
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namespace Rcl
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{
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bool StopList::setFile(const string &filename)
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{
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m_stops.clear();
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string stoptext, reason;
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if (!file_to_string(filename, stoptext, &reason)) {
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LOGDEB0("StopList::StopList: file_to_string(" << filename <<
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") failed: " << reason << "\n");
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return false;
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}
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set<string> stops;
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stringToStrings(stoptext, stops);
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for (set<string>::iterator it = stops.begin();
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it != stops.end(); it++) {
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string dterm;
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unacmaybefold(*it, dterm, "UTF-8", UNACOP_UNACFOLD);
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m_stops.insert(dterm);
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}
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return true;
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}
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// Most sites will have an empty stop list. We try to optimize the
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// empty set case as much as possible. empty() is probably sligtly
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// faster than find() in this case.
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bool StopList::isStop(const string &term) const
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{
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return m_stops.empty() ? false : m_stops.find(term) != m_stops.end();
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}
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}
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