63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2015 Artem Pavlenko
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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; either
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* version 2.1 of the License, or (at your option) any later version.
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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 St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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// mapnik
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#include <mapnik/unicode.hpp>
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#include <mapnik/value_types.hpp>
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// std
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#include <stdexcept>
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// icu
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#include <unicode/ucnv.h>
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namespace mapnik {
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transcoder::transcoder (std::string const& encoding)
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: conv_(0)
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{
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UErrorCode err = U_ZERO_ERROR;
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conv_ = ucnv_open(encoding.c_str(),&err);
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if (!U_SUCCESS(err))
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{
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// NOTE: conv_ should be null on error so no need to call ucnv_close
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throw std::runtime_error(std::string("could not create converter for ") + encoding);
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}
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}
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mapnik::value_unicode_string transcoder::transcode(const char* data, std::int32_t length) const
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{
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UErrorCode err = U_ZERO_ERROR;
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mapnik::value_unicode_string ustr(data,length,conv_,err);
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if (ustr.isBogus())
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{
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ustr.remove();
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}
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return ustr;
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}
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transcoder::~transcoder()
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{
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if (conv_) ucnv_close(conv_);
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}
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}
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