epoc32/include/stdapis/stlport/stl/_num_get.c
branchSymbian2
changeset 2 2fe1408b6811
parent 0 061f57f2323e
equal deleted inserted replaced
1:666f914201fb 2:2fe1408b6811
     1 _num_get.c
     1 /*
       
     2  * © Portions copyright (c) 2006-2007 Nokia Corporation.  All rights reserved.
       
     3  * Copyright (c) 1999
       
     4  * Silicon Graphics Computer Systems, Inc.
       
     5  *
       
     6  * Copyright (c) 1999
       
     7  * Boris Fomitchev
       
     8  *
       
     9  * This material is provided "as is", with absolutely no warranty expressed
       
    10  * or implied. Any use is at your own risk.
       
    11  *
       
    12  * Permission to use or copy this software for any purpose is hereby granted
       
    13  * without fee, provided the above notices are retained on all copies.
       
    14  * Permission to modify the code and to distribute modified code is granted,
       
    15  * provided the above notices are retained, and a notice that the code was
       
    16  * modified is included with the above copyright notice.
       
    17  *
       
    18  */
       
    19 #ifndef _STLP_NUM_GET_C
       
    20 #define _STLP_NUM_GET_C
       
    21 
       
    22 #ifndef _STLP_INTERNAL_NUM_GET_H
       
    23 # include <stl/_num_get.h>
       
    24 #endif
       
    25 
       
    26 # if defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION)
       
    27 
       
    28 #ifndef _STLP_LIMITS_H
       
    29 # include <stl/_limits.h>
       
    30 #endif
       
    31 
       
    32 _STLP_DECLSPEC  unsigned char*  __get_digit_val_table(void);
       
    33 _STLP_DECLSPEC  char*  __get_narrow_atoms(void);
       
    34 _STLP_BEGIN_NAMESPACE
       
    35 
       
    36 extern const unsigned char __digit_val_table[];
       
    37 
       
    38 template < class _InputIter, class _Integer, class _CharT>
       
    39 _InputIter _STLP_CALL
       
    40 _M_do_get_integer(_InputIter&, _InputIter&, ios_base&, ios_base::iostate&, _Integer&, _CharT*);
       
    41 
       
    42 // _M_do_get_integer and its helper functions.
       
    43 
       
    44 #ifdef	__SYMBIAN32__
       
    45 template<class _CharT>
       
    46 inline bool _STLP_CALL __get_fdigit(_CharT& c, const _CharT* digits)
       
    47   { 
       
    48 
       
    49   const _CharT* p = find(digits, digits + 10, c);
       
    50   if (p != digits + 10) {
       
    51     c = (_CharT)( (_CharT)'0' + (p - digits));
       
    52     return true;
       
    53   }
       
    54   else
       
    55     return false;
       
    56 }
       
    57 
       
    58 #endif
       
    59 inline bool _STLP_CALL __get_fdigit(char& __c, const char*)
       
    60   { return __c >= '0' && __c <= '9'; }
       
    61 
       
    62 inline bool _STLP_CALL __get_fdigit_or_sep(char& __c, char __sep, const char *)
       
    63 {
       
    64   if (__c == __sep) {
       
    65     __c = ',' ;
       
    66     return true ;
       
    67   } else
       
    68     return  ( __c >= '0' && __c <= '9');
       
    69 }
       
    70 
       
    71 # ifndef _STLP_NO_WCHAR_T
       
    72 
       
    73 // Similar, except return the character itself instead of the numeric
       
    74 // value.  Used for floating-point input.
       
    75 inline bool  _STLP_CALL __get_fdigit(wchar_t& c, const wchar_t* digits)
       
    76 {
       
    77   const wchar_t* p = find(digits, digits + 10, c);
       
    78   if (p != digits + 10) {
       
    79     c = (char)('0' + (p - digits));
       
    80     return true;
       
    81   }
       
    82   else
       
    83     return false;
       
    84 }
       
    85 
       
    86 inline bool  _STLP_CALL __get_fdigit_or_sep(wchar_t& c, wchar_t sep,
       
    87                                      const wchar_t * digits)
       
    88 {
       
    89   if (c == sep) {
       
    90     c = (char)',';
       
    91     return true;
       
    92   }
       
    93   else
       
    94     return __get_fdigit(c, digits);
       
    95 }
       
    96 #ifdef __SYMBIAN32__
       
    97 template <class _CharT>
       
    98 inline bool  _STLP_CALL __get_fdigit_or_sep(_CharT& c, _CharT sep,
       
    99                                      const _CharT * digits)
       
   100 {
       
   101   if (c == sep) {
       
   102     c = (_CharT)',';
       
   103     return true;
       
   104   }
       
   105   else
       
   106     return __get_fdigit(c, digits);
       
   107 }
       
   108 
       
   109 
       
   110 
       
   111 #endif
       
   112 #endif
       
   113 inline int _STLP_CALL
       
   114 __get_digit_from_table(unsigned __index)
       
   115 {
       
   116   return (__index > 127 ? 0xFF : __get_digit_val_table()[__index]);
       
   117 }
       
   118 
       
   119 extern const char __narrow_atoms[];
       
   120 
       
   121 template <class _InputIter, class _CharT>
       
   122 int
       
   123 _M_get_base_or_zero(_InputIter& __stl_in, _InputIter& __end, ios_base& __str, _CharT*)
       
   124 {
       
   125   _CharT __atoms[5];
       
   126   const ctype<_CharT>& __c_type = use_facet< ctype<_CharT> >(__str.getloc());
       
   127   // const ctype<_CharT>& __c_type = *(const ctype<_CharT>*)__str._M_ctype_facet();
       
   128 
       
   129   __c_type.widen(__get_narrow_atoms(), __get_narrow_atoms() + 5, __atoms);
       
   130 
       
   131   bool __negative = false;
       
   132   _CharT __c = *__stl_in;
       
   133 
       
   134   if (__c == __atoms[1] /* __xminus_char */ ) {
       
   135     __negative = true;
       
   136     ++__stl_in;
       
   137   }
       
   138   else if (__c == __atoms[0] /* __xplus_char */ )
       
   139     ++__stl_in;
       
   140 
       
   141 
       
   142   int __base;
       
   143   int __valid_zero = 0;
       
   144 
       
   145   ios_base::fmtflags __basefield = __str.flags() & ios_base::basefield;
       
   146 
       
   147   switch (__basefield) {
       
   148   case ios_base::oct:
       
   149     __base = 8;
       
   150     break;
       
   151   case ios_base::dec:
       
   152     __base = 10;
       
   153     break;
       
   154   case ios_base::hex:
       
   155     __base = 16;
       
   156     if (__stl_in != __end && *__stl_in == __atoms[2] /* __zero_char */ ) {
       
   157       ++__stl_in;
       
   158       if (__stl_in != __end &&
       
   159           (*__stl_in == __atoms[3] /* __x_char */ || *__stl_in == __atoms[4] /* __X_char */ ))
       
   160         ++__stl_in;
       
   161       else
       
   162         __valid_zero = 1; // That zero is valid by itself.
       
   163     }
       
   164     break;
       
   165   default:
       
   166     if (__stl_in != __end && *__stl_in == __atoms[2] /* __zero_char */ ) {
       
   167       ++__stl_in;
       
   168       if (__stl_in != __end &&
       
   169           (*__stl_in == __atoms[3] /* __x_char */ || *__stl_in == __atoms[4] /* __X_char */ )) {
       
   170         ++__stl_in;
       
   171         __base = 16;
       
   172       }
       
   173       else
       
   174         {
       
   175           __base = 8;
       
   176           __valid_zero = 1; // That zero is still valid by itself.
       
   177         }
       
   178     }
       
   179     else
       
   180       __base = 10;
       
   181     break;
       
   182   }
       
   183   return (__base << 2) | ((int)__negative << 1) | __valid_zero;
       
   184 }
       
   185 
       
   186 
       
   187 template <class _InputIter, class _Integer>
       
   188 bool _STLP_CALL
       
   189 __get_integer(_InputIter& __first, _InputIter& __last,
       
   190 	      int __base, _Integer& __val,
       
   191 	      int __got, bool __is_negative, char __separator, const string& __grouping, const __true_type&)
       
   192 {
       
   193   bool __ovflow = false;
       
   194   bool __valid_group = true;
       
   195 
       
   196   _Integer __result = 0;
       
   197   bool __is_group = !__grouping.empty();
       
   198 //  char __group_sizes[64];
       
   199   char __group_sizes[256] = {0}; //group sizes can be more
       
   200 #ifdef	__SYMBIAN32__
       
   201 int __current_group_size = __got;
       
   202 #else
       
   203   int __current_group_size = 0;
       
   204 #endif
       
   205   char* __group_sizes_end = __group_sizes;
       
   206    int prv_got = 0;
       
   207    
       
   208    
       
   209   _Integer __over_base = (numeric_limits<_Integer>::min)() / __STATIC_CAST(_Integer, __base);
       
   210 
       
   211    for ( ; __first != __last ; ++__first) {
       
   212 
       
   213      const char __c = *__first;
       
   214 
       
   215      if (__is_group && __c == __separator) {
       
   216 	 if (prv_got == __got) //no successive seperators
       
   217 	 	return false;
       
   218 	 prv_got = __got;
       
   219        *__group_sizes_end++ = __current_group_size;       
       
   220        __current_group_size = 0;
       
   221        continue;
       
   222      }
       
   223 
       
   224      int __n = __get_digit_from_table(__c);
       
   225 
       
   226      if (__n >= __base)
       
   227 	 	break;
       
   228 
       
   229      ++__got;
       
   230      ++__current_group_size;
       
   231 
       
   232      if (__result < __over_base)
       
   233        __ovflow = true;  // don't need to keep accumulating
       
   234      else {
       
   235        _Integer __next = __STATIC_CAST(_Integer, __base * __result - __n);
       
   236        if (__result != 0)
       
   237 #ifdef	__SYMBIAN32__
       
   238 	if (__is_negative)
       
   239 		__ovflow = __ovflow || __next >= __result;
       
   240 	else
       
   241 		__ovflow = __ovflow || (__next-1) >= __result; //For signed char, the ranges are -128 to 127, 
       
   242 #else
       
   243 	 __ovflow = __ovflow || __next >= __result;
       
   244 #endif
       
   245        __result = __next;
       
   246      }
       
   247    }
       
   248 
       
   249    if (__is_group && __group_sizes_end != __group_sizes) {
       
   250      *__group_sizes_end++ = __current_group_size;
       
   251      
       
   252    }
       
   253 
       
   254    // fbp : added to not modify value if nothing was read
       
   255    if (__got > 0) {
       
   256        __val = __ovflow
       
   257 	 ? __is_negative ? (numeric_limits<_Integer>::min)()
       
   258 	 : (numeric_limits<_Integer>::max)()
       
   259 	 : (__is_negative ? __result : __STATIC_CAST(_Integer, -__result));
       
   260    }
       
   261    __valid_group = __valid_grouping(__group_sizes, __group_sizes_end,
       
   262 									    __grouping.data(), __grouping.data()+ __grouping.size());
       
   263 
       
   264 	if (__valid_group == false)
       
   265 	__val = 0;
       
   266 
       
   267   // overflow is being treated as failure
       
   268   return ((__got > 0) && !__ovflow) && (__is_group == 0 || __valid_group) ;
       
   269 }
       
   270 
       
   271 template <class _InputIter, class _Integer>
       
   272 bool _STLP_CALL
       
   273 __get_integer(_InputIter& __first, _InputIter& __last,
       
   274 	      int __base, _Integer& __val,
       
   275 	      int __got, bool __is_negative, char __separator, const string& __grouping, const __false_type&)
       
   276 {
       
   277   bool __ovflow = false;
       
   278   bool __valid_group = true;
       
   279   _Integer __result = 0;
       
   280   bool __is_group = !__grouping.empty();
       
   281 //  char __group_sizes[64];
       
   282   char __group_sizes[256] = {0};//group sizes can be more
       
   283   int __current_group_size = 0;
       
   284   char* __group_sizes_end = __group_sizes;
       
   285      int prv_got = 0;
       
   286 
       
   287  
       
   288   _Integer  __over_base = (numeric_limits<_Integer>::max)() / __STATIC_CAST(_Integer, __base);
       
   289 
       
   290   for ( ; __first != __last ; ++__first) {
       
   291 
       
   292     const char __c = *__first;
       
   293 /*
       
   294     //if (__is_group && __c == __separator) { //no seperator at the start of number.
       
   295     if (__is_group && __c == __separator && __got) {
       
   296       // seperator should come after extracting some digits
       
   297       	if (!__current_group_size)
       
   298       		break;
       
   299      *__group_sizes_end++ = __current_group_size;    
       
   300       __current_group_size = 0;
       
   301       continue;
       
   302     }
       
   303 */
       
   304 	if (__is_group && __c == __separator) {
       
   305 	 if (prv_got == __got) //no successive seperators
       
   306 	 	return false;
       
   307 	 	prv_got = __got;
       
   308        *__group_sizes_end++ = __current_group_size;       
       
   309        __current_group_size = 0;
       
   310        continue;
       
   311      }
       
   312     int __n = __get_digit_from_table(__c);
       
   313 
       
   314     if (__n >= __base)
       
   315     	break;
       
   316 
       
   317     ++__got;
       
   318     ++__current_group_size;
       
   319 
       
   320     if (__result > __over_base)
       
   321       __ovflow = true;  //don't need to keep accumulating
       
   322     else {
       
   323       _Integer __next = __STATIC_CAST(_Integer, __base * __result + __n);
       
   324 	if (__result != 0)
       
   325 	  __ovflow = __ovflow || __next <= __result;
       
   326 	__result = __next;
       
   327       }
       
   328   }
       
   329 
       
   330   if (__is_group && __group_sizes_end != __group_sizes) {
       
   331       *__group_sizes_end++ = __current_group_size;     
       
   332   }
       
   333 
       
   334   // fbp : added to not modify value if nothing was read
       
   335   if (__got > 0) {
       
   336       __val = __ovflow
       
   337 	? (numeric_limits<_Integer>::max)()
       
   338 	: (__is_negative ? __STATIC_CAST(_Integer, -__result) : __result);
       
   339   }
       
   340   __valid_group =  __valid_grouping(__group_sizes, __group_sizes_end,
       
   341 					 __grouping.data(), __grouping.data()+ __grouping.size());
       
   342 
       
   343 	if (__valid_group == false)
       
   344 	__val = 0;
       
   345 
       
   346   // overflow is being treated as failure
       
   347   return ((__got > 0) && !__ovflow) &&
       
   348     (__is_group == 0 ||__valid_group) ;
       
   349 }
       
   350 
       
   351 
       
   352 template <class _InputIter, class _Integer>
       
   353 bool _STLP_CALL
       
   354 __get_decimal_integer(_InputIter& __first, _InputIter& __last, _Integer& __val)
       
   355 {
       
   356   string __grp;
       
   357   return __get_integer(__first, __last, 10, __val, 0, false, ' ', __grp, __false_type());
       
   358 }
       
   359 
       
   360 template <class _InputIter, class _Integer, class _CharT>
       
   361 _InputIter _STLP_CALL
       
   362 _M_do_get_integer(_InputIter& __stl_in, _InputIter& __end, ios_base& __str,
       
   363                   ios_base::iostate& __err, _Integer& __val, _CharT* __pc)
       
   364 {
       
   365 
       
   366 #if defined(__HP_aCC) && (__HP_aCC == 1)
       
   367   bool _IsSigned = !((_Integer)(-1) > 0);
       
   368 #else
       
   369   typedef typename __bool2type<numeric_limits<_Integer>::is_signed>::_Ret _IsSigned;
       
   370 #endif
       
   371 
       
   372   //const numpunct<_CharT>& __numpunct = *(const numpunct<_CharT>*)__str._M_numpunct_facet();
       
   373   const numpunct<_CharT>& __numpunct = use_facet< numpunct<_CharT> >(__str.getloc());
       
   374 //  const string& __grouping = __str._M_grouping(); // cached copy //stdcxx fix - 11/1/06
       
   375   const string& __grouping = __numpunct.grouping();
       
   376 
       
   377 
       
   378   const int __base_or_zero = _M_get_base_or_zero(__stl_in, __end, __str, __pc);
       
   379   int  __got = __base_or_zero & 1;
       
   380 
       
   381   bool __result;
       
   382 
       
   383   if (__stl_in == __end) {      // We may have already read a 0.  If so,
       
   384 
       
   385     if (__got > 0) {       // the result is 0 even if we're at eof.
       
   386       __val = 0;
       
   387       __result = true;
       
   388     }
       
   389     else
       
   390       __result = false;
       
   391   } else {
       
   392 
       
   393     const bool __negative = __base_or_zero & 2;
       
   394     const int __base = __base_or_zero >> 2;
       
   395 
       
   396 #if defined(__HP_aCC) && (__HP_aCC == 1)
       
   397      if (_IsSigned)
       
   398        __result = __get_integer(__stl_in, __end, __base,  __val, __got, __negative, __numpunct.thousands_sep(), __grouping, __true_type() );
       
   399      else
       
   400       __result = __get_integer(__stl_in, __end, __base,  __val, __got, __negative, __numpunct.thousands_sep(), __grouping, __false_type() );
       
   401 #else
       
   402 #ifdef __SYMBIAN32__
       
   403     _Integer __tval;
       
   404     __result = __get_integer(__stl_in, __end, __base,  __tval, __got, __negative, __numpunct.thousands_sep(), __grouping, _IsSigned());
       
   405     if(__result)
       
   406         __val = __tval;
       
   407 #else
       
   408     __result = __get_integer(__stl_in, __end, __base,  __val, __got, __negative, __numpunct.thousands_sep(), __grouping, _IsSigned());
       
   409 #endif    
       
   410 # endif
       
   411   }
       
   412 
       
   413   __err = __STATIC_CAST(ios_base::iostate, __result ? ios_base::goodbit : ios_base::failbit);
       
   414 
       
   415   if (__stl_in == __end)
       
   416     __err |= ios_base::eofbit;
       
   417   return __stl_in;
       
   418 }
       
   419 
       
   420 // _M_read_float and its helper functions.
       
   421 template <class _InputIter, class _CharT>
       
   422 _InputIter  _STLP_CALL
       
   423 __copy_sign(_InputIter __first, _InputIter __last, string& __v,
       
   424             _CharT __xplus, _CharT __xminus) {
       
   425     if (__first != __last) {
       
   426     _CharT __c = *__first;
       
   427     if (__c == __xplus)
       
   428       ++__first;
       
   429     else if (__c == __xminus) {
       
   430       __v.push_back('-');
       
   431       ++__first;
       
   432     }
       
   433   }
       
   434   return __first;
       
   435 }
       
   436 
       
   437 
       
   438 template <class _InputIter, class _CharT>
       
   439 bool _STLP_CALL
       
   440 __copy_digits(_InputIter& __first, _InputIter& __last,
       
   441               string& __v, const _CharT* __digits)
       
   442 {
       
   443   bool __ok = false;
       
   444 
       
   445   for ( ; __first != __last; ++__first) {
       
   446     _CharT __c = *__first;
       
   447     if (__get_fdigit(__c, __digits)) {
       
   448       __v.push_back((char)__c);
       
   449       __ok = true;
       
   450     }
       
   451     else
       
   452       break;
       
   453   }
       
   454   return __ok;
       
   455 }
       
   456 
       
   457 template <class _InputIter, class _CharT>
       
   458 bool _STLP_CALL
       
   459 __copy_grouped_digits(_InputIter& __first, _InputIter& __last,
       
   460 		      string& __v, const _CharT * __digits,
       
   461 		      _CharT __sep, const string& __grouping,
       
   462 		      bool& __grouping_ok)
       
   463 {
       
   464   bool __ok = false;
       
   465 //  char __group_sizes[64];
       
   466   char __group_sizes[256] = {0};//group sizes can be more
       
   467   char*__group_sizes_end = __group_sizes;
       
   468   char __current_group_size = 0;
       
   469 
       
   470   for ( ; __first != __last; ++__first) {
       
   471     _CharT __c = *__first;
       
   472     bool __tmp = __get_fdigit_or_sep(__c, __sep, __digits);
       
   473     if (__tmp) {
       
   474       if (__c == ',') { 
       
   475       	// seperator should come after extracting some digits
       
   476       	if (!__current_group_size)
       
   477       		break;
       
   478       	
       
   479         *__group_sizes_end++ = __current_group_size;        
       
   480         __current_group_size = 0;
       
   481       }
       
   482       else {
       
   483         __ok = true;
       
   484         __v.push_back((char)__c);
       
   485         ++__current_group_size;
       
   486       }
       
   487     }
       
   488     else
       
   489       break;
       
   490   }
       
   491 
       
   492   if (__group_sizes_end != __group_sizes)
       
   493     *__group_sizes_end++ = __current_group_size;    
       
   494   __grouping_ok = __valid_grouping(__group_sizes, __group_sizes_end, __grouping.data(), __grouping.data() + __grouping.size());
       
   495   __ok = __ok & __grouping_ok; //Added, to check for valid grouping. If not valid grouping should return false.
       
   496   return __ok;
       
   497 }
       
   498 
       
   499 
       
   500 template <class _InputIter, class _CharT>
       
   501 bool _STLP_CALL
       
   502 _M_read_float(string& __buf, _InputIter& __stl_in, _InputIter& __end, ios_base& __s, _CharT*)
       
   503 {
       
   504   // Create a string, copying characters of the form
       
   505   // [+-]? [0-9]* .? [0-9]* ([eE] [+-]? [0-9]+)?
       
   506 
       
   507   bool __digits_before_dot /* = false */;
       
   508   bool __digits_after_dot = false;
       
   509   bool __ok;
       
   510 
       
   511   bool   __grouping_ok = true;
       
   512 
       
   513   const ctype<_CharT>& __ct = use_facet< ctype<_CharT> >(__s.getloc());
       
   514   // const ctype<_CharT>& __ct = *(const ctype<_CharT>*)__s._M_ctype_facet();
       
   515   //const numpunct<_CharT>& __numpunct = *(const numpunct<_CharT>*)__s._M_numpunct_facet();
       
   516   const numpunct<_CharT>& __numpunct = use_facet< numpunct<_CharT> >(__s.getloc());
       
   517 //  const string& __grouping = __s._M_grouping(); // cached copy //stdcxx fix - 11/1/06
       
   518     const string& __grouping = __numpunct.grouping();
       
   519 
       
   520   _CharT __dot = __numpunct.decimal_point();
       
   521   _CharT __sep = __numpunct.thousands_sep();
       
   522 
       
   523   _CharT __digits[10];
       
   524   _CharT __xplus;
       
   525   _CharT __xminus;
       
   526 
       
   527   _CharT __pow_e;
       
   528   _CharT __pow_E;
       
   529 
       
   530   _Initialize_get_float(__ct, __xplus, __xminus, __pow_e, __pow_E, __digits);
       
   531 
       
   532   // Get an optional sign
       
   533   __stl_in = __copy_sign(__stl_in, __end, __buf, __xplus, __xminus);
       
   534 
       
   535   // Get an optional string of digits.
       
   536   if (__grouping.size() != 0)
       
   537     __digits_before_dot = __copy_grouped_digits(__stl_in, __end, __buf, __digits,
       
   538 						__sep, __grouping, __grouping_ok);
       
   539   else
       
   540     __digits_before_dot = __copy_digits(__stl_in, __end, __buf, __digits);
       
   541 
       
   542   // Get an optional decimal point, and an optional string of digits.
       
   543   if (__stl_in != __end && *__stl_in == __dot) {
       
   544     __buf.push_back('.');
       
   545     ++__stl_in;
       
   546     __digits_after_dot = __copy_digits(__stl_in, __end, __buf, __digits);
       
   547   }
       
   548 
       
   549   // There have to be some digits, somewhere.
       
   550   __ok = __digits_before_dot || __digits_after_dot;
       
   551 
       
   552   // Get an optional exponent.
       
   553   if (__ok && __stl_in != __end && (*__stl_in == __pow_e || *__stl_in == __pow_E)) {
       
   554     __buf.push_back('e');
       
   555     ++__stl_in;
       
   556     __stl_in = __copy_sign(__stl_in, __end, __buf, __xplus, __xminus);
       
   557     __ok = __copy_digits(__stl_in, __end, __buf, __digits);
       
   558     // If we have an exponent then the sign
       
   559     // is optional but the digits aren't.
       
   560   }
       
   561 
       
   562   return __ok;
       
   563 }
       
   564 
       
   565 //
       
   566 // num_get<>, num_put<>
       
   567 //
       
   568 
       
   569 # if ( _STLP_STATIC_TEMPLATE_DATA > 0 )
       
   570 # if !defined(__LIBSTD_CPP_SYMBIAN32_WSD__) && !defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
       
   571 template <class _CharT, class _InputIterator>
       
   572 locale::id num_get<_CharT, _InputIterator>::id;
       
   573 #endif
       
   574 # else
       
   575 
       
   576 typedef num_get<char, const char*> num_get_char;
       
   577 typedef num_get<char, istreambuf_iterator<char, char_traits<char> > > num_get_char_2;
       
   578 
       
   579 #ifndef __SYMBIAN32__
       
   580 __DECLARE_INSTANCE(locale::id, num_get_char::id, );
       
   581 __DECLARE_INSTANCE(locale::id, num_get_char_2::id, );
       
   582 #endif
       
   583 
       
   584 # ifndef _STLP_NO_WCHAR_T
       
   585 
       
   586 typedef num_get<wchar_t, const wchar_t*> num_get_wchar_t;
       
   587 typedef num_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > > num_get_wchar_t_2;
       
   588 
       
   589 #ifndef __SYMBIAN32__
       
   590 __DECLARE_INSTANCE(locale::id, num_get_wchar_t::id, );
       
   591 __DECLARE_INSTANCE(locale::id, num_get_wchar_t_2::id, );
       
   592 #endif
       
   593 
       
   594 # endif
       
   595 
       
   596 # endif /* ( _STLP_STATIC_TEMPLATE_DATA > 0 ) */
       
   597 
       
   598 # ifndef _STLP_NO_BOOL
       
   599 template <class _CharT, class _InputIter>
       
   600 _InputIter
       
   601 num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end,
       
   602                                     ios_base& __s,
       
   603                                     ios_base::iostate& __err, bool& __x) const
       
   604 {
       
   605   if (__s.flags() & ios_base::boolalpha) {
       
   606     locale __loc = __s.getloc();
       
   607     //const _Numpunct& __np = *(const _Numpunct*)__s._M_numpunct_facet();
       
   608         const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc) ;
       
   609 //    const ctype<_CharT>& __ct =    use_facet<ctype<_CharT> >(__loc) ;
       
   610 
       
   611     const basic_string<_CharT> __truename  = __np.truename();
       
   612     const basic_string<_CharT> __falsename = __np.falsename();
       
   613     bool __true_ok  = true;
       
   614     bool __false_ok = true;
       
   615 
       
   616     size_t __n = 0;
       
   617     for ( ; __stl_in != __end; ++__stl_in) {
       
   618       _CharT __c = *__stl_in;
       
   619       __true_ok  = __true_ok  && (__c == __truename[__n]);
       
   620       __false_ok = __false_ok && (__c == __falsename[__n]);
       
   621       ++__n;
       
   622 
       
   623       if ((!__true_ok && !__false_ok) ||
       
   624           (__true_ok  && __n >= __truename.size()) ||
       
   625           (__false_ok && __n >= __falsename.size())) {
       
   626           
       
   627           if (__true_ok || __false_ok)  //if anything OK then increment, else, break
       
   628 		++__stl_in;
       
   629         break;
       
   630       }
       
   631     }
       
   632 	// stdcxx fix, Changed to check for complete true,false string
       
   633     if (__true_ok  && __n < __truename.size()) 
       
   634    {
       
   635 	for ( ; __stl_in != __end; ++__stl_in) {
       
   636       		_CharT __c = *__stl_in;
       
   637       		__true_ok  = __true_ok  && (__c == __truename[__n]);
       
   638 		++__n;  
       
   639 		 if ((!__true_ok) ||(__true_ok  && __n >= __truename.size()) )
       
   640 		 {
       
   641 		 	if(__true_ok)
       
   642 		 		++__stl_in;
       
   643           		break;
       
   644 		 }
       
   645 		 	
       
   646 	}
       
   647 	 if (__true_ok  && __n < __truename.size()) 
       
   648 	   	__true_ok  = false;
       
   649     }
       
   650     if (__false_ok && __n < __falsename.size())
       
   651    {
       
   652 
       
   653    		for ( ; __stl_in != __end; ++__stl_in) {
       
   654       		_CharT __c = *__stl_in;
       
   655       		__false_ok  = __false_ok  && (__c == __falsename[__n]);
       
   656 		++__n;  
       
   657 		 if ((!__false_ok) ||(__false_ok  && __n >= __falsename.size()) )         
       
   658           	{
       
   659 			if(__false_ok)
       
   660 				++__stl_in;
       
   661           		break;
       
   662 		 }
       
   663 		 	
       
   664 		}
       
   665 		if (__false_ok && __n < __falsename.size())
       
   666    			__false_ok = false;
       
   667     }
       
   668 
       
   669     if (__true_ok || __false_ok) {
       
   670       __err = ios_base::goodbit;
       
   671       __x = __true_ok;
       
   672     }
       
   673     else
       
   674       __err = ios_base::failbit;
       
   675 
       
   676     if (__stl_in == __end)
       
   677       __err |= ios_base::eofbit;
       
   678 
       
   679     return __stl_in;
       
   680   }
       
   681 
       
   682   else {
       
   683     long __lx;
       
   684     _InputIter __tmp = this->do_get(__stl_in, __end, __s, __err, __lx);
       
   685     if (!(__err & ios_base::failbit)) {
       
   686       if (__lx == 0)
       
   687         __x = false;
       
   688       else if (__lx == 1)
       
   689         __x = true;
       
   690       else
       
   691         __err |= ios_base::failbit;
       
   692     }
       
   693     return __tmp;
       
   694   }
       
   695 }
       
   696 
       
   697 # endif /* _STLP_NO_BOOL */
       
   698 
       
   699 //# ifdef _STLP_FIX_LIBRARY_ISSUES
       
   700 template <class _CharT, class _InputIter>
       
   701 _InputIter
       
   702 num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
       
   703                                     ios_base::iostate& __err, short& __val) const {
       
   704   return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
       
   705 }
       
   706 
       
   707 template <class _CharT, class _InputIter>
       
   708 _InputIter
       
   709 num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
       
   710                                     ios_base::iostate& __err, int& __val) const {
       
   711   return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
       
   712 }
       
   713 
       
   714 //# endif
       
   715 
       
   716 template <class _CharT, class _InputIter>
       
   717 _InputIter
       
   718 num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
       
   719                                     ios_base::iostate& __err, long& __val) const {
       
   720   return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
       
   721 }
       
   722 
       
   723 template <class _CharT, class _InputIter>
       
   724 _InputIter
       
   725 num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
       
   726                                     ios_base::iostate& __err,
       
   727                                     unsigned short& __val) const {
       
   728   return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
       
   729 }
       
   730 
       
   731 template <class _CharT, class _InputIter>
       
   732 _InputIter
       
   733 num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
       
   734                                     ios_base::iostate& __err,
       
   735                                     unsigned int& __val) const {
       
   736   return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
       
   737 }
       
   738 
       
   739 template <class _CharT, class _InputIter>
       
   740 _InputIter
       
   741 num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
       
   742                                     ios_base::iostate& __err,
       
   743                                     unsigned long& __val) const {
       
   744   return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
       
   745 }
       
   746 
       
   747 
       
   748 template <class _CharT, class _InputIter>
       
   749 _InputIter
       
   750 num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
       
   751                                     ios_base::iostate& __err,
       
   752                                     float& __val) const {
       
   753   string __buf ;
       
   754   bool __ok = _M_read_float(__buf, __stl_in, __end, __str, (_CharT*)0 );
       
   755   if(__ok) //If success reading float then convert it.
       
   756   {
       
   757 #ifdef __SYMBIAN32__
       
   758     float __tval;
       
   759     __ok = __string_to_float(__buf, __tval);
       
   760     if(__ok)
       
   761         __val = __tval;
       
   762 #else
       
   763     __string_to_float(__buf, __val);
       
   764 #endif    
       
   765   }
       
   766   __err = __STATIC_CAST(ios_base::iostate, __ok ? ios_base::goodbit : ios_base::failbit);
       
   767   if (__stl_in == __end)
       
   768     __err |= ios_base::eofbit;
       
   769   return __stl_in;
       
   770 }
       
   771 
       
   772 template <class _CharT, class _InputIter>
       
   773 _InputIter
       
   774 num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
       
   775                                     ios_base::iostate& __err,
       
   776                                     double& __val) const {
       
   777   string __buf ;
       
   778   bool __ok = _M_read_float(__buf, __stl_in, __end, __str, (_CharT*)0 );
       
   779   if(__ok) //If success reading float then convert it.
       
   780   {
       
   781 #ifdef __SYMBIAN32__
       
   782     double __tval;
       
   783     __ok = __string_to_float(__buf, __tval);
       
   784     if(__ok)
       
   785         __val = __tval;
       
   786 #else
       
   787     __string_to_float(__buf, __val);
       
   788 #endif    
       
   789   }
       
   790   __err = __STATIC_CAST(ios_base::iostate, __ok ? ios_base::goodbit : ios_base::failbit);
       
   791   if (__stl_in == __end)
       
   792     __err |= ios_base::eofbit;
       
   793   return __stl_in;
       
   794 }
       
   795 
       
   796 #ifndef _STLP_NO_LONG_DOUBLE
       
   797 template <class _CharT, class _InputIter>
       
   798 _InputIter
       
   799 num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
       
   800 				    ios_base::iostate& __err,
       
   801                                     long double& __val) const {
       
   802   string __buf ;
       
   803   bool __ok = _M_read_float(__buf, __stl_in, __end, __str, (_CharT*)0 );
       
   804   if(__ok) //If success reading float then convert it.
       
   805   {
       
   806 #ifdef __SYMBIAN32__
       
   807     long double __tval;
       
   808     __ok = __string_to_float(__buf, __tval);
       
   809     if(__ok)
       
   810         __val = __tval;
       
   811 #else
       
   812     __string_to_float(__buf, __val);
       
   813 #endif    
       
   814   }
       
   815   __err = __STATIC_CAST(ios_base::iostate, __ok ? ios_base::goodbit : ios_base::failbit);
       
   816   if (__stl_in == __end)
       
   817     __err |= ios_base::eofbit;
       
   818   return __stl_in;
       
   819 }
       
   820 #endif /* _STLP_NO_LONG_DOUBLE */
       
   821 
       
   822 template <class _CharT, class _InputIter>
       
   823 _InputIter
       
   824 num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
       
   825                            ios_base::iostate& __err,
       
   826                            void*& __p) const {
       
   827 #ifdef	__SYMBIAN32__
       
   828 	unsigned long __val;	//using only long
       
   829 #else
       
   830 # if defined(_STLP_LONG_LONG)&&!defined(__MRC__)		//*ty 12/07/2001 - MrCpp can not cast from long long to void*
       
   831   unsigned _STLP_LONG_LONG __val;
       
   832 # else
       
   833   unsigned long __val;
       
   834 # endif
       
   835 #endif //__SYMBIAN32__
       
   836 #ifdef __SYMBIAN32__
       
   837     ios_base::fmtflags __save_flags = __str.flags();
       
   838 
       
   839     __str.setf(ios_base::hex, ios_base::basefield);
       
   840     __str.setf(ios_base::showbase);
       
   841     __str.setf(ios_base::internal, ios_base::adjustfield);
       
   842     __str.width((sizeof(void*) * 2) + 2);
       
   843 #endif // __SYMBIAN32__
       
   844     iter_type __tmp = _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
       
   845     if (!(__err & ios_base::failbit))
       
   846       __p = __REINTERPRET_CAST(void*,(long)__val);
       
   847 #ifdef __SYMBIAN32__
       
   848     __str.flags(__save_flags);
       
   849 #endif //__SYMBIAN32__
       
   850     return __tmp;
       
   851   }
       
   852 
       
   853 
       
   854 #ifdef _STLP_LONG_LONG
       
   855 
       
   856 template <class _CharT, class _InputIter>
       
   857 _InputIter
       
   858 num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
       
   859                                     ios_base::iostate& __err,
       
   860                                     _STLP_LONG_LONG& __val) const {
       
   861   return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
       
   862 }
       
   863 
       
   864 template <class _CharT, class _InputIter>
       
   865 _InputIter
       
   866 num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
       
   867                                     ios_base::iostate& __err,
       
   868                                     unsigned _STLP_LONG_LONG& __val) const {
       
   869   return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
       
   870 }
       
   871 
       
   872 #endif /* _STLP_LONG_LONG */
       
   873 
       
   874 _STLP_END_NAMESPACE
       
   875 
       
   876 # endif /* _STLP_EXPOSE_STREAM_IMPLEMENTATION */
       
   877 
       
   878 #endif /* _STLP_NUMERIC_FACETS_C */
       
   879 
       
   880 // Local Variables:
       
   881 // mode:C++
       
   882 // End: