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- /*
- * Copyright (c) 1999
- * Silicon Graphics Computer Systems, Inc.
- *
- * Copyright (c) 1999
- * Boris Fomitchev
- *
- * This material is provided "as is", with absolutely no warranty expressed
- * or implied. Any use is at your own risk.
- *
- * Permission to use or copy this software for any purpose is hereby granted
- * without fee, provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
- *
- */
- #ifndef _STLP_MONETARY_C
- #define _STLP_MONETARY_C
- # ifndef _STLP_INTERNAL_MONETARY_H
- # include <stl/_monetary.h>
- # endif
- #ifndef _STLP_INTERNAL_IOS_H
- # include <stl/_ios.h>
- #endif
- #ifndef _STLP_INTERNAL_NUM_PUT_H
- # include <stl/_num_put.h>
- #endif
- #ifndef _STLP_INTERNAL_NUM_GET_H
- # include <stl/_num_get.h>
- #endif
- _STLP_BEGIN_NAMESPACE
- template <class _CharT, class _InputIterator>
- locale::id money_get<_CharT, _InputIterator>::id;
- template <class _CharT, class _OutputIterator>
- locale::id money_put<_CharT, _OutputIterator>::id;
- // money_get facets
- _STLP_MOVE_TO_PRIV_NAMESPACE
- // helper functions for do_get
- template <class _InIt1, class _InIt2>
- pair<_InIt1, bool> __get_string( _InIt1 __first, _InIt1 __last,
- _InIt2 __str_first, _InIt2 __str_last) {
- while ( __first != __last && __str_first != __str_last && *__first == *__str_first ) {
- ++__first;
- ++__str_first;
- }
- return make_pair(__first, __str_first == __str_last);
- }
- template <class _InIt, class _OuIt, class _CharT>
- bool
- __get_monetary_value(_InIt& __first, _InIt __last, _OuIt __out_ite,
- const ctype<_CharT>& _c_type,
- _CharT __point, int __frac_digits, _CharT __sep,
- const string& __grouping, bool &__syntax_ok) {
- if (__first == __last || !_c_type.is(ctype_base::digit, *__first))
- return false;
- char __group_sizes[128];
- char* __group_sizes_end = __grouping.empty()? 0 : __group_sizes;
- char __current_group_size = 0;
- while (__first != __last) {
- if (_c_type.is(ctype_base::digit, *__first)) {
- ++__current_group_size;
- *__out_ite++ = *__first++;
- }
- else if (__group_sizes_end) {
- if (*__first == __sep) {
- *__group_sizes_end++ = __current_group_size;
- __current_group_size = 0;
- ++__first;
- }
- else break;
- }
- else
- break;
- }
- if (__grouping.empty())
- __syntax_ok = true;
- else {
- if (__group_sizes_end != __group_sizes)
- *__group_sizes_end++ = __current_group_size;
- __syntax_ok = __valid_grouping(__group_sizes, __group_sizes_end,
- __grouping.data(), __grouping.data()+ __grouping.size());
- if (__first == __last || *__first != __point) {
- for (int __digits = 0; __digits != __frac_digits; ++__digits)
- *__out_ite++ = _CharT('0');
- return true; // OK not to have decimal point
- }
- }
- ++__first;
- int __digits = 0;
- while (__first != __last && _c_type.is(ctype_base::digit, *__first)) {
- *__out_ite++ = *__first++;
- ++__digits;
- }
- __syntax_ok = __syntax_ok && (__digits == __frac_digits);
- return true;
- }
- template <class _CharT, class _InputIter, class _StrType>
- _InputIter __money_do_get(_InputIter __s, _InputIter __end, bool __intl,
- ios_base& __str, ios_base::iostate& __err,
- _StrType& __digits, bool &__is_positive, _CharT* /*__dummy*/) {
- if (__s == __end) {
- __err |= ios_base::eofbit;
- return __s;
- }
- typedef _CharT char_type;
- typedef _StrType string_type;
- typedef _InputIter iter_type;
- typedef moneypunct<char_type, false> _Punct;
- typedef moneypunct<char_type, true> _Punct_intl;
- typedef ctype<char_type> _Ctype;
- locale __loc = __str.getloc();
- const _Punct& __punct = use_facet<_Punct>(__loc) ;
- const _Punct_intl& __punct_intl = use_facet<_Punct_intl>(__loc) ;
- const _Ctype& __c_type = use_facet<_Ctype>(__loc) ;
- money_base::pattern __format = __intl ? __punct_intl.neg_format()
- : __punct.neg_format();
- string_type __ns = __intl ? __punct_intl.negative_sign()
- : __punct.negative_sign();
- string_type __ps = __intl ? __punct_intl.positive_sign()
- : __punct.positive_sign();
- int __i;
- bool __symbol_required = (__str.flags() & ios_base::showbase) != 0;
- string_type __buf;
- back_insert_iterator<string_type> __out_ite(__buf);
- for (__i = 0; __i < 4; ++__i) {
- switch (__format.field[__i]) {
- case money_base::space:
- if (!__c_type.is(ctype_base::space, *__s)) {
- __err = ios_base::failbit;
- return __s;
- }
- ++__s;
- case money_base::none:
- while (__s != __end && __c_type.is(ctype_base::space, *__s))
- ++__s;
- break;
- case money_base::symbol: {
- string_type __curs = __intl ? __punct_intl.curr_symbol()
- : __punct.curr_symbol();
- pair<iter_type, bool>
- __result = __get_string(__s, __end, __curs.begin(), __curs.end());
- if (!__result.second && __symbol_required)
- __err = ios_base::failbit;
- __s = __result.first;
- break;
- }
- case money_base::sign: {
- if (__s == __end) {
- if (__ps.empty())
- break;
- if (__ns.empty()) {
- __is_positive = false;
- break;
- }
- __err = ios_base::failbit;
- return __s;
- }
- else {
- if (__ps.empty()) {
- if (__ns.empty())
- break;
- if (*__s == __ns[0]) {
- ++__s;
- __is_positive = false;
- }
- break;
- }
- else {
- if (*__s == __ps[0]) {
- ++__s;
- break;
- }
- if (__ns.empty())
- break;
- if (*__s == __ns[0]) {
- ++__s;
- __is_positive = false;
- break;
- }
- __err = ios_base::failbit;
- }
- }
- return __s;
- }
- case money_base::value: {
- char_type __point = __intl ? __punct_intl.decimal_point()
- : __punct.decimal_point();
- int __frac_digits = __intl ? __punct_intl.frac_digits()
- : __punct.frac_digits();
- string __grouping = __intl ? __punct_intl.grouping()
- : __punct.grouping();
- bool __syntax_ok = true;
- bool __result;
- char_type __sep = __grouping.empty() ? char_type() :
- __intl ? __punct_intl.thousands_sep() : __punct.thousands_sep();
- __result = __get_monetary_value(__s, __end, __out_ite, __c_type,
- __point, __frac_digits,
- __sep,
- __grouping, __syntax_ok);
- if (!__syntax_ok)
- __err |= ios_base::failbit;
- if (!__result) {
- __err = ios_base::failbit;
- return __s;
- }
- break;
- } // Close money_base::value case
- } // Close switch statement
- } // Close for loop
- if (__is_positive) {
- if (__ps.size() > 1) {
- pair<_InputIter, bool>
- __result = __get_string(__s, __end, __ps.begin() + 1, __ps.end());
- __s = __result.first;
- if (!__result.second)
- __err |= ios::failbit;
- }
- if (!(__err & ios_base::failbit))
- __digits = __buf;
- }
- else {
- if (__ns.size() > 1) {
- pair<_InputIter, bool>
- __result = __get_string(__s, __end, __ns.begin() + 1, __ns.end());
- __s = __result.first;
- if (!__result.second)
- __err |= ios::failbit;
- }
- if (!(__err & ios::failbit)) {
- __digits = __c_type.widen('-');
- __digits += __buf;
- }
- }
- if (__s == __end)
- __err |= ios::eofbit;
- return __s;
- }
- _STLP_MOVE_TO_STD_NAMESPACE
- //===== methods ======
- template <class _CharT, class _InputIter>
- _InputIter
- money_get<_CharT, _InputIter>::do_get(_InputIter __s, _InputIter __end, bool __intl,
- ios_base& __str, ios_base::iostate& __err,
- _STLP_LONGEST_FLOAT_TYPE& __units) const {
- string_type __buf;
- bool __is_positive = true;
- __s = _STLP_PRIV __money_do_get(__s, __end, __intl, __str, __err, __buf, __is_positive, (_CharT*)0);
- if (__err == ios_base::goodbit || __err == ios_base::eofbit) {
- typename string_type::iterator __b = __buf.begin(), __e = __buf.end();
- if (!__is_positive) ++__b;
- // Can't use atold, since it might be wchar_t. Don't get confused by name below :
- // it's perfectly capable of reading long double.
- _STLP_PRIV __get_decimal_integer(__b, __e, __units, (_CharT*)0);
- if (!__is_positive) {
- __units = -__units;
- }
- }
- return __s;
- }
- template <class _CharT, class _InputIter>
- _InputIter
- money_get<_CharT, _InputIter>::do_get(iter_type __s, iter_type __end, bool __intl,
- ios_base& __str, ios_base::iostate& __err,
- string_type& __digits) const {
- bool __is_positive = true;
- return _STLP_PRIV __money_do_get(__s, __end, __intl, __str, __err, __digits, __is_positive, (_CharT*)0);
- }
- // money_put facets
- _STLP_MOVE_TO_PRIV_NAMESPACE
- template <class _CharT, class _OutputIter, class _Str_Type, class _Str>
- _OutputIter __money_do_put(_OutputIter __s, bool __intl, ios_base& __str,
- _CharT __fill, const _Str& __digits, bool __check_digits,
- _Str_Type * /*__dummy*/) {
- typedef _CharT char_type;
- typedef _Str_Type string_type;
- typedef ctype<char_type> _Ctype;
- typedef moneypunct<char_type, false> _Punct;
- typedef moneypunct<char_type, true> _Punct_intl;
- locale __loc = __str.getloc();
- const _Ctype& __c_type = use_facet<_Ctype>(__loc) ;
- const _Punct& __punct = use_facet<_Punct>(__loc) ;
- const _Punct_intl& __punct_intl = use_facet<_Punct_intl>(__loc) ;
- // some special characters
- char_type __minus = __c_type.widen('-');
- char_type __plus = __c_type.widen('+');
- char_type __space = __c_type.widen(' ');
- char_type __zero = __c_type.widen('0');
- char_type __point = __intl ? __punct_intl.decimal_point()
- : __punct.decimal_point();
- char_type __sep = __intl ? __punct_intl.thousands_sep()
- : __punct.thousands_sep();
- string __grouping = __intl ? __punct_intl.grouping()
- : __punct.grouping();
- int __frac_digits = __intl ? __punct_intl.frac_digits()
- : __punct.frac_digits();
- string_type __curr_sym = __intl ? __punct_intl.curr_symbol()
- : __punct.curr_symbol();
- // if there are no digits we are going to return __s. If there
- // are digits, but not enough to fill the frac_digits, we are
- // going to add zeros. I don't know whether this is right or
- // not.
- if (__digits.empty())
- return __s;
- typename string_type::const_iterator __digits_first = __digits.begin();
- typename string_type::const_iterator __digits_last = __digits.end();
- bool __is_negative = *__digits_first == __minus;
- if (__is_negative)
- ++__digits_first;
- #if !defined (__BORLANDC__)
- string_type __sign = __intl ? __is_negative ? __punct_intl.negative_sign()
- : __punct_intl.positive_sign()
- : __is_negative ? __punct.negative_sign()
- : __punct.positive_sign();
- #else
- string_type __sign;
- if (__intl) {
- if (__is_negative)
- __sign = __punct_intl.negative_sign();
- else
- __sign = __punct_intl.positive_sign();
- }
- else {
- if (__is_negative)
- __sign = __punct.negative_sign();
- else
- __sign = __punct.positive_sign();
- }
- #endif
- if (__check_digits) {
- typename string_type::const_iterator __cp = __digits_first;
- while (__cp != __digits_last && __c_type.is(ctype_base::digit, *__cp))
- ++__cp;
- if (__cp == __digits_first)
- return __s;
- __digits_last = __cp;
- }
- // If grouping is required, we make a copy of __digits and
- // insert the grouping.
- _STLP_BASIC_IOSTRING(char_type) __new_digits;
- if (!__grouping.empty()) {
- __new_digits.assign(__digits_first, __digits_last);
- __insert_grouping(__new_digits,
- __new_digits.size() - __frac_digits,
- __grouping,
- __sep, __plus, __minus, 0);
- __digits_first = __new_digits.begin(); // <<--
- __digits_last = __new_digits.end(); // <<--
- }
- // Determine the amount of padding required, if any.
- streamsize __width = __str.width();
- #if defined (_STLP_DEBUG) && (defined(__HP_aCC) && (__HP_aCC <= 1))
- size_t __value_length = operator -(__digits_last, __digits_first);
- #else
- size_t __value_length = __digits_last - __digits_first;
- #endif
- size_t __length = __value_length + __sign.size();
- if (__frac_digits != 0)
- ++__length;
- bool __generate_curr = (__str.flags() & ios_base::showbase) !=0;
- if (__generate_curr)
- __length += __curr_sym.size();
- money_base::pattern __format = __intl ? (__is_negative ? __punct_intl.neg_format()
- : __punct_intl.pos_format())
- : (__is_negative ? __punct.neg_format()
- : __punct.pos_format());
- {
- //For the moment the following is commented for decoding reason.
- //No reason to add a space last if the money symbol do not have to be display
- //if (__format.field[3] == (char) money_base::symbol && !__generate_curr) {
- // if (__format.field[2] == (char) money_base::space) {
- // __format.field[2] = (char) money_base::none;
- // }
- //}
- //space can only be second or third and only once (22.2.6.3-1):
- if ((__format.field[1] == (char) money_base::space) ||
- (__format.field[2] == (char) money_base::space))
- ++__length;
- }
- const bool __need_fill = (((sizeof(streamsize) > sizeof(size_t)) && (__STATIC_CAST(streamsize, __length) < __width)) ||
- ((sizeof(streamsize) <= sizeof(size_t)) && (__length < __STATIC_CAST(size_t, __width))));
- streamsize __fill_amt = __need_fill ? __width - __length : 0;
- ios_base::fmtflags __fill_pos = __str.flags() & ios_base::adjustfield;
- if (__fill_amt != 0 &&
- !(__fill_pos & (ios_base::left | ios_base::internal)))
- __s = _STLP_PRIV __fill_n(__s, __fill_amt, __fill);
- for (int __i = 0; __i < 4; ++__i) {
- char __ffield = __format.field[__i];
- switch (__ffield) {
- case money_base::space:
- *__s++ = __space;
- case money_base::none:
- if (__fill_amt != 0 && __fill_pos == ios_base::internal)
- __s = _STLP_PRIV __fill_n(__s, __fill_amt, __fill);
- break;
- case money_base::symbol:
- if (__generate_curr)
- __s = _STLP_STD::copy(__curr_sym.begin(), __curr_sym.end(), __s);
- break;
- case money_base::sign:
- if (!__sign.empty())
- *__s++ = __sign[0];
- break;
- case money_base::value:
- if (__frac_digits == 0) {
- __s = _STLP_STD::copy(__digits_first, __digits_last, __s);
- } else {
- if ((int)__value_length <= __frac_digits) {
- // if we see '9' here, we should out 0.09
- *__s++ = __zero; // integer part is zero
- *__s++ = __point; // decimal point
- __s = _STLP_PRIV __fill_n(__s, __frac_digits - __value_length, __zero); // zeros
- __s = _STLP_STD::copy(__digits_first, __digits_last, __s); // digits
- } else {
- __s = _STLP_STD::copy(__digits_first, __digits_last - __frac_digits, __s);
- if (__frac_digits != 0) {
- *__s++ = __point;
- __s = _STLP_STD::copy(__digits_last - __frac_digits, __digits_last, __s);
- }
- }
- }
- break;
- } //Close for switch
- } // Close for loop
- // Ouput rest of sign if necessary.
- if (__sign.size() > 1)
- __s = _STLP_STD::copy(__sign.begin() + 1, __sign.end(), __s);
- if (__fill_amt != 0 &&
- !(__fill_pos & (ios_base::right | ios_base::internal)))
- __s = _STLP_PRIV __fill_n(__s, __fill_amt, __fill);
- return __s;
- }
- _STLP_MOVE_TO_STD_NAMESPACE
- template <class _CharT, class _OutputIter>
- _OutputIter
- money_put<_CharT, _OutputIter>
- ::do_put(_OutputIter __s, bool __intl, ios_base& __str,
- char_type __fill, _STLP_LONGEST_FLOAT_TYPE __units) const {
- _STLP_BASIC_IOSTRING(char_type) __digits;
- _STLP_PRIV __get_money_digits(__digits, __str, __units);
- return _STLP_PRIV __money_do_put(__s, __intl, __str, __fill, __digits, false, __STATIC_CAST(string_type*, 0));
- }
- template <class _CharT, class _OutputIter>
- _OutputIter
- money_put<_CharT, _OutputIter>
- ::do_put(_OutputIter __s, bool __intl, ios_base& __str,
- char_type __fill, const string_type& __digits) const {
- return _STLP_PRIV __money_do_put(__s, __intl, __str, __fill, __digits, true, __STATIC_CAST(string_type*, 0));
- }
- _STLP_END_NAMESPACE
- #endif /* _STLP_MONETARY_C */
- // Local Variables:
- // mode:C++
- // End:
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