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94 lines
3.2 KiB
C++
94 lines
3.2 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) 2014 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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#ifndef MAPNIK_UTIL_CONVERSIONS_HPP
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#define MAPNIK_UTIL_CONVERSIONS_HPP
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// mapnik
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#include <mapnik/config.hpp>
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#include <mapnik/value_types.hpp>
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// stl
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#include <string>
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#include <algorithm>
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namespace mapnik { namespace util {
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/*
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Note: this file intentionally provides non-templated methods
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to avoid the compile time overhead given it is included
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by many other headers inside mapnik.
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*/
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MAPNIK_DECL inline bool string2bool(std::string const& value, bool & result)
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{
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if (value.empty() || value.size() > 5) {
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return false;
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} else if (value == "true") {
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return result = true;
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} else if (value == "false") {
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result = false;
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return true;
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}
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std::string val(value);
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std::transform(val.begin(), val.end(), val.begin(), ::tolower);
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if (val == "true" || val == "yes" || val == "1" || val == "on") {
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return result = true;
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} else if (val == "false" || val == "no" || val == "0" || val == "off") {
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result = false;
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return true;
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}
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return false;
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}
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MAPNIK_DECL inline bool string2bool(const char * iter, const char * end, bool & result)
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{
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std::string val(iter,end);
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return string2bool(val,result);
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}
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MAPNIK_DECL bool string2int(std::string const& value, int & result);
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MAPNIK_DECL bool string2int(const char * iter, const char * end, int & result);
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#ifdef BIGINT
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MAPNIK_DECL bool string2int(std::string const& value, mapnik::value_integer & result);
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MAPNIK_DECL bool string2int(const char * iter, const char * end, mapnik::value_integer & result);
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#endif
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MAPNIK_DECL bool string2double(std::string const& value, double & result);
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MAPNIK_DECL bool string2double(const char * iter, const char * end, double & result);
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MAPNIK_DECL bool string2float(std::string const& value, float & result);
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MAPNIK_DECL bool string2float(const char * iter, const char * end, float & result);
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MAPNIK_DECL bool to_string(std::string & str, int value);
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#ifdef BIGINT
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MAPNIK_DECL bool to_string(std::string & str, mapnik::value_integer value);
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#endif
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MAPNIK_DECL bool to_string(std::string & str, unsigned value);
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MAPNIK_DECL bool to_string(std::string & str, bool value);
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MAPNIK_DECL bool to_string(std::string & str, double value);
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}}
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#endif // MAPNIK_UTIL_CONVERSIONS_HPP
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