move base value type definitions to separate header to enable basic types to be includes without full overhead of value conversions

This commit is contained in:
Dane Springmeyer 2013-01-04 09:25:56 -08:00
parent 648105c2c4
commit 59dace25db
2 changed files with 89 additions and 53 deletions

View file

@ -24,6 +24,7 @@
#define MAPNIK_VALUE_HPP
// mapnik
#include <mapnik/value_types.hpp>
#include <mapnik/global.hpp>
#include <mapnik/unicode.hpp>
#include <mapnik/util/conversions.hpp>
@ -69,54 +70,6 @@ inline void to_utf8(UnicodeString const& input, std::string & target)
}
}
struct value_null
{
template <typename T>
value_null operator+ (T const& other) const
{
boost::ignore_unused_variable_warning(other);
return *this;
}
template <typename T>
value_null operator- (T const& other) const
{
boost::ignore_unused_variable_warning(other);
return *this;
}
template <typename T>
value_null operator* (T const& other) const
{
boost::ignore_unused_variable_warning(other);
return *this;
}
template <typename T>
value_null operator/ (T const& other) const
{
boost::ignore_unused_variable_warning(other);
return *this;
}
template <typename T>
value_null operator% (T const& other) const
{
boost::ignore_unused_variable_warning(other);
return *this;
}
};
#ifdef BIGINT
typedef long long value_integer;
#else
typedef int value_integer;
#endif
typedef double value_double;
typedef UnicodeString value_unicode_string;
typedef bool value_bool;
typedef boost::variant<value_null,value_bool,value_integer,value_double,value_unicode_string> value_base;
namespace impl {
@ -798,11 +751,7 @@ struct to_int : public boost::static_visitor<value_integer>
value_integer operator() (std::string const& val) const
{
value_integer result;
#ifdef BIGINT
if (util::string2longlong(val,result))
#else
if (util::string2int(val,result))
#endif
return result;
return value_integer(0);
}
@ -912,7 +861,6 @@ public:
{
return boost::apply_visitor(impl::to_int(),base_);
}
};
inline const value operator+(value const& p1,value const& p2)

View file

@ -0,0 +1,88 @@
/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2012 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_VALUE_TYPES_HPP
#define MAPNIK_VALUE_TYPES_HPP
// icu
#include <unicode/unistr.h> // for UnicodeString
// boost
//#include <boost/cstdint.hpp>
// stl
#include <iosfwd> // for ostream
namespace mapnik {
#ifdef BIGINT
//typedef boost::long_long_type value_integer;
typedef long long value_integer;
#else
typedef int value_integer;
#endif
typedef double value_double;
typedef UnicodeString value_unicode_string;
typedef bool value_bool;
struct value_null
{
template <typename T>
value_null operator+ (T const& /*other*/) const
{
return *this;
}
template <typename T>
value_null operator- (T const& /*other*/) const
{
return *this;
}
template <typename T>
value_null operator* (T const& /*other*/) const
{
return *this;
}
template <typename T>
value_null operator/ (T const& /*other*/) const
{
return *this;
}
template <typename T>
value_null operator% (T const& /*other*/) const
{
return *this;
}
};
inline std::ostream& operator<< (std::ostream & out,value_null const& v)
{
return out;
}
} // namespace mapnik
#endif // MAPNIK_VALUE_TYPES_HPP