/*

 * 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

#if (_STLP_STATIC_TEMPLATE_DATA > 0)

#  if !defined (__BORLANDC__)

template <class _CharT, class _InputIterator>

locale::id money_get<_CharT, _InputIterator>::id;

template <class _CharT, class _OutputIterator>

locale::id money_put<_CharT, _OutputIterator>::id;

#  endif

#  if (defined (__CYGWIN__) || defined (__MINGW32__)) && \

       defined (_STLP_USE_DYNAMIC_LIB) && !defined (__BUILDING_STLPORT)

/*

 * Under cygwin, when STLport is used as a shared library, the id needs

 * to be specified as imported otherwise they will be duplicated in the

 * calling executable.

 */

template <>

_STLP_DECLSPEC locale::id money_get<char, istreambuf_iterator<char, char_traits<char> > >::id;

/*

template <>

_STLP_DECLSPEC locale::id money_get<char, const char*>::id;

*/

template <>

_STLP_DECLSPEC locale::id money_put<char, ostreambuf_iterator<char, char_traits<char> > >::id;

template <>

_STLP_DECLSPEC locale::id money_put<char, char*>::id;

#    if !defined (_STLP_NO_WCHAR_T)

template <>

_STLP_DECLSPEC locale::id money_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id;

template <>

_STLP_DECLSPEC locale::id money_get<wchar_t, const wchar_t*>::id;

template <>

_STLP_DECLSPEC locale::id money_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id;

template <>

_STLP_DECLSPEC locale::id money_put<wchar_t, wchar_t*>::id;

#    endif

#  endif

#else /* ( _STLP_STATIC_TEMPLATE_DATA > 0 ) */

//typedef money_get<char, const char*> money_get_char;

//typedef money_put<char, char*> money_put_char;

typedef money_get<char, istreambuf_iterator<char, char_traits<char> > > money_get_char_2;

typedef money_put<char, ostreambuf_iterator<char, char_traits<char> > > money_put_char_2;

//__DECLARE_INSTANCE(locale::id, money_get_char::id, );

//__DECLARE_INSTANCE(locale::id, money_put_char::id, );

__DECLARE_INSTANCE(locale::id, money_get_char_2::id, );

__DECLARE_INSTANCE(locale::id, money_put_char_2::id, );

#  ifndef _STLP_NO_WCHAR_T

//typedef money_get<wchar_t, const wchar_t*> money_get_wchar_t;

//typedef money_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > > money_get_wchar_t_2;

typedef money_put<wchar_t, wchar_t*> money_put_wchar_t;

typedef money_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > > money_put_wchar_t_2;

//__DECLARE_INSTANCE(locale::id, money_get_wchar_t::id, );

//__DECLARE_INSTANCE(locale::id, money_put_wchar_t::id, );

__DECLARE_INSTANCE(locale::id, money_get_wchar_t_2::id, );

__DECLARE_INSTANCE(locale::id, money_put_wchar_t_2::id, );

#  endif

#endif /* ( _STLP_STATIC_TEMPLATE_DATA > 0 ) */

// 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::none:

      if (__i == 3) {

        if (__c_type.is(ctype_base::space, *__s)) {

          __err = ios_base::failbit;

          return __s;

        }

        break;

      }

      while (__s != __end && __c_type.is(ctype_base::space, *__s))

        ++__s;

      break;

    case money_base::space:

      if (!__c_type.is(ctype_base::space, *__s)) {

        __err = ios_base::failbit;

        return __s;

      }

      ++__s;

      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 = __fill_n(__s, __fill_amt, __fill);

  for (int __i = 0; __i < 4; ++__i) {

    char __ffield = __format.field[__i];

    switch (__ffield) {

      case money_base::none:

        if (__fill_amt != 0 && __fill_pos == ios_base::internal)

          __s = __fill_n(__s, __fill_amt, __fill);

        break;

      case money_base::space:

        *__s++ = __space;

        if (__fill_amt != 0 && __fill_pos == ios_base::internal)

          __s = __fill_n(__s, __fill_amt, __fill);

        break;

      case money_base::symbol:

        if (__generate_curr)

          __s = 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 = 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 =  __fill_n(__s, __frac_digits - __value_length, __zero); // zeros

            __s = copy(__digits_first, __digits_last, __s); // digits

          } else {

            __s = copy(__digits_first, __digits_last - __frac_digits, __s);

            if (__frac_digits != 0) {

              *__s++ = __point;

              __s = 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 = copy(__sign.begin() + 1, __sign.end(), __s);

  if (__fill_amt != 0 &&

      !(__fill_pos & (ios_base::right | ios_base::internal)))

    __s = __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: