37 lines
1.2 KiB
C++
37 lines
1.2 KiB
C++
/* Copyright (C) 2017-2019 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 Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 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 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 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 "utf8iter.h"
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#include <string>
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using std::string;
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void utf8truncate(std::string& s, int maxlen)
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{
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if (s.size() <= string::size_type(maxlen)) {
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return;
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}
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Utf8Iter iter(s);
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string::size_type pos = 0;
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while (iter++ != string::npos)
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if (iter.getBpos() < string::size_type(maxlen)) {
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pos = iter.getBpos();
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}
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s.erase(pos);
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}
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