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template <typename Type>
std::string CSVTabIns::centered(FMT const &fmt,
unsigned fieldWidth, Type const &value)
{
using namespace std;
ostringstream stream; // format value in 'stream'
stream.copyfmt(*d_out); // xfer d_out's format to
stream.fill(d_out->fill()); // stream
if (fmt.d_precision < fieldWidth) // maybe set the precision
stream.precision(fmt.d_precision);
stream << setw(fieldWidth) << value; // convert value to string
string ret = String::trim(stream.str()); // remove surrounding spaces
// extra spaces needed
if (unsigned length = ret.length(); length < fieldWidth)
{
// prefix this #spaces
ret.insert(ret.begin(), (fieldWidth - length) / 2, ' ');
ret.resize(fieldWidth, ' ');
}
return ret;
}
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