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+ fast_cast to mapnik::boolean specialization

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This commit is contained in:
artemp 2013-01-15 14:14:08 +00:00
parent 982aed825f
commit e8cc64a9a7
1 changed files with 9 additions and 0 deletions
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9
src/xml_tree.cpp
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@ -56,6 +56,15 @@ inline boost::optional<T> fast_cast(xml_tree const& tree, std::string const& val
} }
} }
template <>
inline boost::optional<mapnik::boolean> fast_cast(xml_tree const& tree, std::string const& value)
{
bool result;
if (mapnik::util::string2bool(value, result))
return boost::optional<mapnik::boolean>(result);
return boost::optional<mapnik::boolean>();
}
template <> template <>
inline boost::optional<int> fast_cast(xml_tree const& tree, std::string const& value) inline boost::optional<int> fast_cast(xml_tree const& tree, std::string const& value)
{ {