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+ better error reporting

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This commit is contained in:
artemp 2013-03-14 09:52:23 +00:00
parent 8d3061076d
commit 5e224bd705
1 changed files with 7 additions and 6 deletions
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13
include/mapnik/params_impl.hpp
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@ -148,16 +148,17 @@ struct value_extractor_visitor : public boost::static_visitor<>
template <typename T1>
void operator () (T1 val) const
{
// TODO
try
{
var_ = boost::lexical_cast<T>(val);
}
catch (boost::bad_lexical_cast & ) {}
//std::string err_msg = (boost::format("No conversion from %s to %s")
// % typeid(T1).name()
// % typeid(T).name()).str();
//throw std::runtime_error(err_msg);
catch (boost::bad_lexical_cast & )
{
std::string err_msg = (boost::format("Failed converting from %s to %s")
% typeid(T1).name()
% typeid(T).name()).str();
throw std::runtime_error(err_msg);
}
}