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#define XERR "group"
#include "group.ih"
// e.g., 40 - 50:
// 70 - * :
// separating blanks are optional, the initial age is optional except for
// the first age-range
// by group.f (operator>>)
std::istream &Group::extract(std::istream &in)
{
char sep = 0;
if (d_series == SINGLE) // with SINGLE d_begin is not
{ // used. d_end is inclusive
in >> sep; // maybe '*', then the max
if (sep == '*') // possible value
d_end = Globals::uint16_max;
else
{
in.unget(); // or extract the inclusive
in >> d_end; // end value
}
}
else
{ // get '40 - 50', or '70 - *'
if (in >> d_begin >> sep >> sep)
{
if (d_begin < 0)
Err::msg(Err::NEGATIVE) << d_begin << endl;
}
else // no d_begin, then connect
{ // to the previous range
d_begin = -1;
in.clear();
in >> sep; // 1st - read by in >> d_begin
}
if (sep == '*')
d_end = END_AGE; // either set end-age
else
{
in.unget(); // or extract the age
in >> d_end;
}
}
if (not (in >> sep) or sep != ':') // group must end in ':'
Err::msgTxt(Err::GROUP_NO_COLON);
return in; // return
}
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