mapnik/include/mapnik/sql_utils.hpp
2015-11-07 17:53:09 -08:00

85 lines
2.6 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2015 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
#ifndef MAPNIK_SQL_UTILS_HPP
#define MAPNIK_SQL_UTILS_HPP
// mapnik
#include <mapnik/util/trim.hpp> // for trim
// boost
#pragma GCC diagnostic push
#include <mapnik/warning_ignore.hpp>
#include <boost/algorithm/string/replace.hpp>
#pragma GCC diagnostic pop
// stl
#include <sstream>
#include <vector>
#include <string>
namespace mapnik { namespace sql_utils {
inline std::string unquote_double(std::string const& sql)
{
std::string table_name = sql;
util::unquote_double(table_name);
return table_name;
}
inline std::string unquote(std::string const& sql)
{
std::string table_name = sql;
util::unquote(table_name);
return table_name;
}
inline void quote_attr(std::ostringstream & s, std::string const& field)
{
s << ",\"" << field << "\"";
}
inline std::string table_from_sql(std::string const& sql)
{
std::string table_name = sql;
boost::algorithm::replace_all(table_name,"\n"," ");
boost::algorithm::ireplace_all(table_name," from "," FROM ");
std::string::size_type idx = table_name.rfind(" FROM ");
if (idx!=std::string::npos)
{
idx = table_name.find_first_not_of(" ",idx+5);
if (idx != std::string::npos)
{
table_name=table_name.substr(idx);
}
idx = table_name.find_first_of(", )");
if (idx != std::string::npos)
{
table_name = table_name.substr(0,idx);
}
}
return table_name;
}
}}
#endif // MAPNIK_SQL_UTILS_HPP