Standard C/C++
By P.J. Plauger, March 01, 1998
A C locale provides low-level information on how to format monetary amounts. The C++ locale facet moneypunct supplies the same information at a somewhat higher level of abstraction.
March 1998/Standard C/C++/Listing 1
// STRUCT money_base
struct money_base : public locale::facet {
enum part {symbol = '$', sign = '+', space = ' ',
value = 'v', none = 'x'};
struct pattern {
char field[4];
};
money_base(size_t refs = 0);
};
template<class E, class Intl>
class moneypunct : public money_base {
public:
typedef E char_type;
typedef basic_string<E, char_traits<E>, allocator<E> >
string_type;
E decimal_point() const;
E thousands_sep() const;
string grouping() const;
string_type curr_symbol() const;
string_type positive_sign() const;
string_type negative_sign() const;
int frac_digits() const;
pattern pos_format() const;
pattern neg_format() const;
explicit money_punct(size_t refs, bool intl);
protected:
virtual E do_decimal_point() const;
virtual E do_thousands_sep() const;
virtual string do_grouping() const;
virtual string_type do_curr_symbol() const;
virtual string_type do_positive_sign() const;
virtual string_type do_negative_sign() const;
virtual int do_frac_digits() const;
virtual pattern do_pos_format() const;
virtual pattern do_neg_format() const;
};
//End of File
