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use C++11 type traits to reduce code size in integral->string conversion

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Dennis Luxen
2014-10-08 12:40:56 +02:00
parent 4e00ebcd74
commit 8dc85e7641
6 changed files with 29 additions and 35 deletions
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Util/StringUtil.h
+15 -16
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@@ -82,27 +82,26 @@ auto as_integer(Enumeration const value)
return static_cast<typename std::underlying_type<Enumeration>::type>(value);
}
static inline std::string IntToString(const int value)
template<typename Number>
static inline typename std::enable_if<std::is_integral<Number>::value, std::string>::type IntegralToString(const Number value)
{
std::string output;
std::back_insert_iterator<std::string> sink(output);
boost::spirit::karma::generate(sink, boost::spirit::karma::int_, value);
return output;
}
static inline std::string UintToString(const unsigned value)
{
std::string output;
std::back_insert_iterator<std::string> sink(output);
boost::spirit::karma::generate(sink, boost::spirit::karma::uint_, value);
return output;
}
if (8 == sizeof(Number))
{
boost::spirit::karma::generate(sink, boost::spirit::karma::long_long, value);
}
static inline void int64ToString(const int64_t value, std::string &output)
{
output.clear();
std::back_insert_iterator<std::string> sink(output);
boost::spirit::karma::generate(sink, boost::spirit::karma::long_long, value);
if (std::is_signed<Number>::value)
{
boost::spirit::karma::generate(sink, boost::spirit::karma::int_, value);
}
else
{
boost::spirit::karma::generate(sink, boost::spirit::karma::uint_, value);
}
return output;
}
static inline int StringToInt(const std::string &input)