williamr@2: /*
williamr@2: * © Portions copyright (c) 2006-2007 Nokia Corporation. All rights reserved.
williamr@2: * Copyright (c) 1999
williamr@2: * Silicon Graphics Computer Systems, Inc.
williamr@2: *
williamr@2: * Copyright (c) 1999
williamr@2: * Boris Fomitchev
williamr@2: *
williamr@2: * This material is provided "as is", with absolutely no warranty expressed
williamr@2: * or implied. Any use is at your own risk.
williamr@2: *
williamr@2: * Permission to use or copy this software for any purpose is hereby granted
williamr@2: * without fee, provided the above notices are retained on all copies.
williamr@2: * Permission to modify the code and to distribute modified code is granted,
williamr@2: * provided the above notices are retained, and a notice that the code was
williamr@2: * modified is included with the above copyright notice.
williamr@2: *
williamr@2: */
williamr@2: #ifndef _STLP_NUM_GET_C
williamr@2: #define _STLP_NUM_GET_C
williamr@2:
williamr@2: #ifndef _STLP_INTERNAL_NUM_GET_H
williamr@2: # include <stl/_num_get.h>
williamr@2: #endif
williamr@2:
williamr@2: # if defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION)
williamr@2:
williamr@2: #ifndef _STLP_LIMITS_H
williamr@2: # include <stl/_limits.h>
williamr@2: #endif
williamr@2:
williamr@2: _STLP_DECLSPEC unsigned char* __get_digit_val_table(void);
williamr@2: _STLP_DECLSPEC char* __get_narrow_atoms(void);
williamr@2: _STLP_BEGIN_NAMESPACE
williamr@2:
williamr@2: extern const unsigned char __digit_val_table[];
williamr@2:
williamr@2: template < class _InputIter, class _Integer, class _CharT>
williamr@2: _InputIter _STLP_CALL
williamr@2: _M_do_get_integer(_InputIter&, _InputIter&, ios_base&, ios_base::iostate&, _Integer&, _CharT*);
williamr@2:
williamr@2: // _M_do_get_integer and its helper functions.
williamr@2:
williamr@2: #ifdef __SYMBIAN32__
williamr@2: template<class _CharT>
williamr@2: inline bool _STLP_CALL __get_fdigit(_CharT& c, const _CharT* digits)
williamr@2: {
williamr@2:
williamr@2: const _CharT* p = find(digits, digits + 10, c);
williamr@2: if (p != digits + 10) {
williamr@2: c = (_CharT)( (_CharT)'0' + (p - digits));
williamr@2: return true;
williamr@2: }
williamr@2: else
williamr@2: return false;
williamr@2: }
williamr@2:
williamr@2: #endif
williamr@2: inline bool _STLP_CALL __get_fdigit(char& __c, const char*)
williamr@2: { return __c >= '0' && __c <= '9'; }
williamr@2:
williamr@2: inline bool _STLP_CALL __get_fdigit_or_sep(char& __c, char __sep, const char *)
williamr@2: {
williamr@2: if (__c == __sep) {
williamr@2: __c = ',' ;
williamr@2: return true ;
williamr@2: } else
williamr@2: return ( __c >= '0' && __c <= '9');
williamr@2: }
williamr@2:
williamr@2: # ifndef _STLP_NO_WCHAR_T
williamr@2:
williamr@2: // Similar, except return the character itself instead of the numeric
williamr@2: // value. Used for floating-point input.
williamr@2: inline bool _STLP_CALL __get_fdigit(wchar_t& c, const wchar_t* digits)
williamr@2: {
williamr@2: const wchar_t* p = find(digits, digits + 10, c);
williamr@2: if (p != digits + 10) {
williamr@2: c = (char)('0' + (p - digits));
williamr@2: return true;
williamr@2: }
williamr@2: else
williamr@2: return false;
williamr@2: }
williamr@2:
williamr@2: inline bool _STLP_CALL __get_fdigit_or_sep(wchar_t& c, wchar_t sep,
williamr@2: const wchar_t * digits)
williamr@2: {
williamr@2: if (c == sep) {
williamr@2: c = (char)',';
williamr@2: return true;
williamr@2: }
williamr@2: else
williamr@2: return __get_fdigit(c, digits);
williamr@2: }
williamr@2: #ifdef __SYMBIAN32__
williamr@2: template <class _CharT>
williamr@2: inline bool _STLP_CALL __get_fdigit_or_sep(_CharT& c, _CharT sep,
williamr@2: const _CharT * digits)
williamr@2: {
williamr@2: if (c == sep) {
williamr@2: c = (_CharT)',';
williamr@2: return true;
williamr@2: }
williamr@2: else
williamr@2: return __get_fdigit(c, digits);
williamr@2: }
williamr@2:
williamr@2:
williamr@2:
williamr@2: #endif
williamr@2: #endif
williamr@2: inline int _STLP_CALL
williamr@2: __get_digit_from_table(unsigned __index)
williamr@2: {
williamr@2: return (__index > 127 ? 0xFF : __get_digit_val_table()[__index]);
williamr@2: }
williamr@2:
williamr@2: extern const char __narrow_atoms[];
williamr@2:
williamr@2: template <class _InputIter, class _CharT>
williamr@2: int
williamr@2: _M_get_base_or_zero(_InputIter& __stl_in, _InputIter& __end, ios_base& __str, _CharT*)
williamr@2: {
williamr@2: _CharT __atoms[5];
williamr@2: const ctype<_CharT>& __c_type = use_facet< ctype<_CharT> >(__str.getloc());
williamr@2: // const ctype<_CharT>& __c_type = *(const ctype<_CharT>*)__str._M_ctype_facet();
williamr@2:
williamr@2: __c_type.widen(__get_narrow_atoms(), __get_narrow_atoms() + 5, __atoms);
williamr@2:
williamr@2: bool __negative = false;
williamr@2: _CharT __c = *__stl_in;
williamr@2:
williamr@2: if (__c == __atoms[1] /* __xminus_char */ ) {
williamr@2: __negative = true;
williamr@2: ++__stl_in;
williamr@2: }
williamr@2: else if (__c == __atoms[0] /* __xplus_char */ )
williamr@2: ++__stl_in;
williamr@2:
williamr@2:
williamr@2: int __base;
williamr@2: int __valid_zero = 0;
williamr@2:
williamr@2: ios_base::fmtflags __basefield = __str.flags() & ios_base::basefield;
williamr@2:
williamr@2: switch (__basefield) {
williamr@2: case ios_base::oct:
williamr@2: __base = 8;
williamr@2: break;
williamr@2: case ios_base::dec:
williamr@2: __base = 10;
williamr@2: break;
williamr@2: case ios_base::hex:
williamr@2: __base = 16;
williamr@2: if (__stl_in != __end && *__stl_in == __atoms[2] /* __zero_char */ ) {
williamr@2: ++__stl_in;
williamr@2: if (__stl_in != __end &&
williamr@2: (*__stl_in == __atoms[3] /* __x_char */ || *__stl_in == __atoms[4] /* __X_char */ ))
williamr@2: ++__stl_in;
williamr@2: else
williamr@2: __valid_zero = 1; // That zero is valid by itself.
williamr@2: }
williamr@2: break;
williamr@2: default:
williamr@2: if (__stl_in != __end && *__stl_in == __atoms[2] /* __zero_char */ ) {
williamr@2: ++__stl_in;
williamr@2: if (__stl_in != __end &&
williamr@2: (*__stl_in == __atoms[3] /* __x_char */ || *__stl_in == __atoms[4] /* __X_char */ )) {
williamr@2: ++__stl_in;
williamr@2: __base = 16;
williamr@2: }
williamr@2: else
williamr@2: {
williamr@2: __base = 8;
williamr@2: __valid_zero = 1; // That zero is still valid by itself.
williamr@2: }
williamr@2: }
williamr@2: else
williamr@2: __base = 10;
williamr@2: break;
williamr@2: }
williamr@2: return (__base << 2) | ((int)__negative << 1) | __valid_zero;
williamr@2: }
williamr@2:
williamr@2:
williamr@2: template <class _InputIter, class _Integer>
williamr@2: bool _STLP_CALL
williamr@2: __get_integer(_InputIter& __first, _InputIter& __last,
williamr@2: int __base, _Integer& __val,
williamr@2: int __got, bool __is_negative, char __separator, const string& __grouping, const __true_type&)
williamr@2: {
williamr@2: bool __ovflow = false;
williamr@2: bool __valid_group = true;
williamr@2:
williamr@2: _Integer __result = 0;
williamr@2: bool __is_group = !__grouping.empty();
williamr@2: // char __group_sizes[64];
williamr@2: char __group_sizes[256] = {0}; //group sizes can be more
williamr@2: #ifdef __SYMBIAN32__
williamr@2: int __current_group_size = __got;
williamr@2: #else
williamr@2: int __current_group_size = 0;
williamr@2: #endif
williamr@2: char* __group_sizes_end = __group_sizes;
williamr@2: int prv_got = 0;
williamr@2:
williamr@2:
williamr@2: _Integer __over_base = (numeric_limits<_Integer>::min)() / __STATIC_CAST(_Integer, __base);
williamr@2:
williamr@2: for ( ; __first != __last ; ++__first) {
williamr@2:
williamr@2: const char __c = *__first;
williamr@2:
williamr@2: if (__is_group && __c == __separator) {
williamr@2: if (prv_got == __got) //no successive seperators
williamr@2: return false;
williamr@2: prv_got = __got;
williamr@2: *__group_sizes_end++ = __current_group_size;
williamr@2: __current_group_size = 0;
williamr@2: continue;
williamr@2: }
williamr@2:
williamr@2: int __n = __get_digit_from_table(__c);
williamr@2:
williamr@2: if (__n >= __base)
williamr@2: break;
williamr@2:
williamr@2: ++__got;
williamr@2: ++__current_group_size;
williamr@2:
williamr@2: if (__result < __over_base)
williamr@2: __ovflow = true; // don't need to keep accumulating
williamr@2: else {
williamr@2: _Integer __next = __STATIC_CAST(_Integer, __base * __result - __n);
williamr@2: if (__result != 0)
williamr@2: #ifdef __SYMBIAN32__
williamr@2: if (__is_negative)
williamr@2: __ovflow = __ovflow || __next >= __result;
williamr@2: else
williamr@2: __ovflow = __ovflow || (__next-1) >= __result; //For signed char, the ranges are -128 to 127,
williamr@2: #else
williamr@2: __ovflow = __ovflow || __next >= __result;
williamr@2: #endif
williamr@2: __result = __next;
williamr@2: }
williamr@2: }
williamr@2:
williamr@2: if (__is_group && __group_sizes_end != __group_sizes) {
williamr@2: *__group_sizes_end++ = __current_group_size;
williamr@2:
williamr@2: }
williamr@2:
williamr@2: // fbp : added to not modify value if nothing was read
williamr@2: if (__got > 0) {
williamr@2: __val = __ovflow
williamr@2: ? __is_negative ? (numeric_limits<_Integer>::min)()
williamr@2: : (numeric_limits<_Integer>::max)()
williamr@2: : (__is_negative ? __result : __STATIC_CAST(_Integer, -__result));
williamr@2: }
williamr@2: __valid_group = __valid_grouping(__group_sizes, __group_sizes_end,
williamr@2: __grouping.data(), __grouping.data()+ __grouping.size());
williamr@2:
williamr@2: if (__valid_group == false)
williamr@2: __val = 0;
williamr@2:
williamr@2: // overflow is being treated as failure
williamr@2: return ((__got > 0) && !__ovflow) && (__is_group == 0 || __valid_group) ;
williamr@2: }
williamr@2:
williamr@2: template <class _InputIter, class _Integer>
williamr@2: bool _STLP_CALL
williamr@2: __get_integer(_InputIter& __first, _InputIter& __last,
williamr@2: int __base, _Integer& __val,
williamr@2: int __got, bool __is_negative, char __separator, const string& __grouping, const __false_type&)
williamr@2: {
williamr@2: bool __ovflow = false;
williamr@2: bool __valid_group = true;
williamr@2: _Integer __result = 0;
williamr@2: bool __is_group = !__grouping.empty();
williamr@2: // char __group_sizes[64];
williamr@2: char __group_sizes[256] = {0};//group sizes can be more
williamr@2: int __current_group_size = 0;
williamr@2: char* __group_sizes_end = __group_sizes;
williamr@2: int prv_got = 0;
williamr@2:
williamr@2:
williamr@2: _Integer __over_base = (numeric_limits<_Integer>::max)() / __STATIC_CAST(_Integer, __base);
williamr@2:
williamr@2: for ( ; __first != __last ; ++__first) {
williamr@2:
williamr@2: const char __c = *__first;
williamr@2: /*
williamr@2: //if (__is_group && __c == __separator) { //no seperator at the start of number.
williamr@2: if (__is_group && __c == __separator && __got) {
williamr@2: // seperator should come after extracting some digits
williamr@2: if (!__current_group_size)
williamr@2: break;
williamr@2: *__group_sizes_end++ = __current_group_size;
williamr@2: __current_group_size = 0;
williamr@2: continue;
williamr@2: }
williamr@2: */
williamr@2: if (__is_group && __c == __separator) {
williamr@2: if (prv_got == __got) //no successive seperators
williamr@2: return false;
williamr@2: prv_got = __got;
williamr@2: *__group_sizes_end++ = __current_group_size;
williamr@2: __current_group_size = 0;
williamr@2: continue;
williamr@2: }
williamr@2: int __n = __get_digit_from_table(__c);
williamr@2:
williamr@2: if (__n >= __base)
williamr@2: break;
williamr@2:
williamr@2: ++__got;
williamr@2: ++__current_group_size;
williamr@2:
williamr@2: if (__result > __over_base)
williamr@2: __ovflow = true; //don't need to keep accumulating
williamr@2: else {
williamr@2: _Integer __next = __STATIC_CAST(_Integer, __base * __result + __n);
williamr@2: if (__result != 0)
williamr@2: __ovflow = __ovflow || __next <= __result;
williamr@2: __result = __next;
williamr@2: }
williamr@2: }
williamr@2:
williamr@2: if (__is_group && __group_sizes_end != __group_sizes) {
williamr@2: *__group_sizes_end++ = __current_group_size;
williamr@2: }
williamr@2:
williamr@2: // fbp : added to not modify value if nothing was read
williamr@2: if (__got > 0) {
williamr@2: __val = __ovflow
williamr@2: ? (numeric_limits<_Integer>::max)()
williamr@2: : (__is_negative ? __STATIC_CAST(_Integer, -__result) : __result);
williamr@2: }
williamr@2: __valid_group = __valid_grouping(__group_sizes, __group_sizes_end,
williamr@2: __grouping.data(), __grouping.data()+ __grouping.size());
williamr@2:
williamr@2: if (__valid_group == false)
williamr@2: __val = 0;
williamr@2:
williamr@2: // overflow is being treated as failure
williamr@2: return ((__got > 0) && !__ovflow) &&
williamr@2: (__is_group == 0 ||__valid_group) ;
williamr@2: }
williamr@2:
williamr@2:
williamr@2: template <class _InputIter, class _Integer>
williamr@2: bool _STLP_CALL
williamr@2: __get_decimal_integer(_InputIter& __first, _InputIter& __last, _Integer& __val)
williamr@2: {
williamr@2: string __grp;
williamr@2: return __get_integer(__first, __last, 10, __val, 0, false, ' ', __grp, __false_type());
williamr@2: }
williamr@2:
williamr@2: template <class _InputIter, class _Integer, class _CharT>
williamr@2: _InputIter _STLP_CALL
williamr@2: _M_do_get_integer(_InputIter& __stl_in, _InputIter& __end, ios_base& __str,
williamr@2: ios_base::iostate& __err, _Integer& __val, _CharT* __pc)
williamr@2: {
williamr@2:
williamr@2: #if defined(__HP_aCC) && (__HP_aCC == 1)
williamr@2: bool _IsSigned = !((_Integer)(-1) > 0);
williamr@2: #else
williamr@2: typedef typename __bool2type<numeric_limits<_Integer>::is_signed>::_Ret _IsSigned;
williamr@2: #endif
williamr@2:
williamr@2: //const numpunct<_CharT>& __numpunct = *(const numpunct<_CharT>*)__str._M_numpunct_facet();
williamr@2: const numpunct<_CharT>& __numpunct = use_facet< numpunct<_CharT> >(__str.getloc());
williamr@2: // const string& __grouping = __str._M_grouping(); // cached copy //stdcxx fix - 11/1/06
williamr@2: const string& __grouping = __numpunct.grouping();
williamr@2:
williamr@2:
williamr@2: const int __base_or_zero = _M_get_base_or_zero(__stl_in, __end, __str, __pc);
williamr@2: int __got = __base_or_zero & 1;
williamr@2:
williamr@2: bool __result;
williamr@2:
williamr@2: if (__stl_in == __end) { // We may have already read a 0. If so,
williamr@2:
williamr@2: if (__got > 0) { // the result is 0 even if we're at eof.
williamr@2: __val = 0;
williamr@2: __result = true;
williamr@2: }
williamr@2: else
williamr@2: __result = false;
williamr@2: } else {
williamr@2:
williamr@2: const bool __negative = __base_or_zero & 2;
williamr@2: const int __base = __base_or_zero >> 2;
williamr@2:
williamr@2: #if defined(__HP_aCC) && (__HP_aCC == 1)
williamr@2: if (_IsSigned)
williamr@2: __result = __get_integer(__stl_in, __end, __base, __val, __got, __negative, __numpunct.thousands_sep(), __grouping, __true_type() );
williamr@2: else
williamr@2: __result = __get_integer(__stl_in, __end, __base, __val, __got, __negative, __numpunct.thousands_sep(), __grouping, __false_type() );
williamr@2: #else
williamr@2: #ifdef __SYMBIAN32__
williamr@2: _Integer __tval;
williamr@2: __result = __get_integer(__stl_in, __end, __base, __tval, __got, __negative, __numpunct.thousands_sep(), __grouping, _IsSigned());
williamr@2: if(__result)
williamr@2: __val = __tval;
williamr@2: #else
williamr@2: __result = __get_integer(__stl_in, __end, __base, __val, __got, __negative, __numpunct.thousands_sep(), __grouping, _IsSigned());
williamr@2: #endif
williamr@2: # endif
williamr@2: }
williamr@2:
williamr@2: __err = __STATIC_CAST(ios_base::iostate, __result ? ios_base::goodbit : ios_base::failbit);
williamr@2:
williamr@2: if (__stl_in == __end)
williamr@2: __err |= ios_base::eofbit;
williamr@2: return __stl_in;
williamr@2: }
williamr@2:
williamr@2: // _M_read_float and its helper functions.
williamr@2: template <class _InputIter, class _CharT>
williamr@2: _InputIter _STLP_CALL
williamr@2: __copy_sign(_InputIter __first, _InputIter __last, string& __v,
williamr@2: _CharT __xplus, _CharT __xminus) {
williamr@2: if (__first != __last) {
williamr@2: _CharT __c = *__first;
williamr@2: if (__c == __xplus)
williamr@2: ++__first;
williamr@2: else if (__c == __xminus) {
williamr@2: __v.push_back('-');
williamr@2: ++__first;
williamr@2: }
williamr@2: }
williamr@2: return __first;
williamr@2: }
williamr@2:
williamr@2:
williamr@2: template <class _InputIter, class _CharT>
williamr@2: bool _STLP_CALL
williamr@2: __copy_digits(_InputIter& __first, _InputIter& __last,
williamr@2: string& __v, const _CharT* __digits)
williamr@2: {
williamr@2: bool __ok = false;
williamr@2:
williamr@2: for ( ; __first != __last; ++__first) {
williamr@2: _CharT __c = *__first;
williamr@2: if (__get_fdigit(__c, __digits)) {
williamr@2: __v.push_back((char)__c);
williamr@2: __ok = true;
williamr@2: }
williamr@2: else
williamr@2: break;
williamr@2: }
williamr@2: return __ok;
williamr@2: }
williamr@2:
williamr@2: template <class _InputIter, class _CharT>
williamr@2: bool _STLP_CALL
williamr@2: __copy_grouped_digits(_InputIter& __first, _InputIter& __last,
williamr@2: string& __v, const _CharT * __digits,
williamr@2: _CharT __sep, const string& __grouping,
williamr@2: bool& __grouping_ok)
williamr@2: {
williamr@2: bool __ok = false;
williamr@2: // char __group_sizes[64];
williamr@2: char __group_sizes[256] = {0};//group sizes can be more
williamr@2: char*__group_sizes_end = __group_sizes;
williamr@2: char __current_group_size = 0;
williamr@2:
williamr@2: for ( ; __first != __last; ++__first) {
williamr@2: _CharT __c = *__first;
williamr@2: bool __tmp = __get_fdigit_or_sep(__c, __sep, __digits);
williamr@2: if (__tmp) {
williamr@2: if (__c == ',') {
williamr@2: // seperator should come after extracting some digits
williamr@2: if (!__current_group_size)
williamr@2: break;
williamr@2:
williamr@2: *__group_sizes_end++ = __current_group_size;
williamr@2: __current_group_size = 0;
williamr@2: }
williamr@2: else {
williamr@2: __ok = true;
williamr@2: __v.push_back((char)__c);
williamr@2: ++__current_group_size;
williamr@2: }
williamr@2: }
williamr@2: else
williamr@2: break;
williamr@2: }
williamr@2:
williamr@2: if (__group_sizes_end != __group_sizes)
williamr@2: *__group_sizes_end++ = __current_group_size;
williamr@2: __grouping_ok = __valid_grouping(__group_sizes, __group_sizes_end, __grouping.data(), __grouping.data() + __grouping.size());
williamr@2: __ok = __ok & __grouping_ok; //Added, to check for valid grouping. If not valid grouping should return false.
williamr@2: return __ok;
williamr@2: }
williamr@2:
williamr@2:
williamr@2: template <class _InputIter, class _CharT>
williamr@2: bool _STLP_CALL
williamr@2: _M_read_float(string& __buf, _InputIter& __stl_in, _InputIter& __end, ios_base& __s, _CharT*)
williamr@2: {
williamr@2: // Create a string, copying characters of the form
williamr@2: // [+-]? [0-9]* .? [0-9]* ([eE] [+-]? [0-9]+)?
williamr@2:
williamr@2: bool __digits_before_dot /* = false */;
williamr@2: bool __digits_after_dot = false;
williamr@2: bool __ok;
williamr@2:
williamr@2: bool __grouping_ok = true;
williamr@2:
williamr@2: const ctype<_CharT>& __ct = use_facet< ctype<_CharT> >(__s.getloc());
williamr@2: // const ctype<_CharT>& __ct = *(const ctype<_CharT>*)__s._M_ctype_facet();
williamr@2: //const numpunct<_CharT>& __numpunct = *(const numpunct<_CharT>*)__s._M_numpunct_facet();
williamr@2: const numpunct<_CharT>& __numpunct = use_facet< numpunct<_CharT> >(__s.getloc());
williamr@2: // const string& __grouping = __s._M_grouping(); // cached copy //stdcxx fix - 11/1/06
williamr@2: const string& __grouping = __numpunct.grouping();
williamr@2:
williamr@2: _CharT __dot = __numpunct.decimal_point();
williamr@2: _CharT __sep = __numpunct.thousands_sep();
williamr@2:
williamr@2: _CharT __digits[10];
williamr@2: _CharT __xplus;
williamr@2: _CharT __xminus;
williamr@2:
williamr@2: _CharT __pow_e;
williamr@2: _CharT __pow_E;
williamr@2:
williamr@2: _Initialize_get_float(__ct, __xplus, __xminus, __pow_e, __pow_E, __digits);
williamr@2:
williamr@2: // Get an optional sign
williamr@2: __stl_in = __copy_sign(__stl_in, __end, __buf, __xplus, __xminus);
williamr@2:
williamr@2: // Get an optional string of digits.
williamr@2: if (__grouping.size() != 0)
williamr@2: __digits_before_dot = __copy_grouped_digits(__stl_in, __end, __buf, __digits,
williamr@2: __sep, __grouping, __grouping_ok);
williamr@2: else
williamr@2: __digits_before_dot = __copy_digits(__stl_in, __end, __buf, __digits);
williamr@2:
williamr@2: // Get an optional decimal point, and an optional string of digits.
williamr@2: if (__stl_in != __end && *__stl_in == __dot) {
williamr@2: __buf.push_back('.');
williamr@2: ++__stl_in;
williamr@2: __digits_after_dot = __copy_digits(__stl_in, __end, __buf, __digits);
williamr@2: }
williamr@2:
williamr@2: // There have to be some digits, somewhere.
williamr@2: __ok = __digits_before_dot || __digits_after_dot;
williamr@2:
williamr@2: // Get an optional exponent.
williamr@2: if (__ok && __stl_in != __end && (*__stl_in == __pow_e || *__stl_in == __pow_E)) {
williamr@2: __buf.push_back('e');
williamr@2: ++__stl_in;
williamr@2: __stl_in = __copy_sign(__stl_in, __end, __buf, __xplus, __xminus);
williamr@2: __ok = __copy_digits(__stl_in, __end, __buf, __digits);
williamr@2: // If we have an exponent then the sign
williamr@2: // is optional but the digits aren't.
williamr@2: }
williamr@2:
williamr@2: return __ok;
williamr@2: }
williamr@2:
williamr@2: //
williamr@2: // num_get<>, num_put<>
williamr@2: //
williamr@2:
williamr@2: # if ( _STLP_STATIC_TEMPLATE_DATA > 0 )
williamr@2: # if !defined(__LIBSTD_CPP_SYMBIAN32_WSD__) && !defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
williamr@2: template <class _CharT, class _InputIterator>
williamr@2: locale::id num_get<_CharT, _InputIterator>::id;
williamr@2: #endif
williamr@2: # else
williamr@2:
williamr@2: typedef num_get<char, const char*> num_get_char;
williamr@2: typedef num_get<char, istreambuf_iterator<char, char_traits<char> > > num_get_char_2;
williamr@2:
williamr@2: #ifndef __SYMBIAN32__
williamr@2: __DECLARE_INSTANCE(locale::id, num_get_char::id, );
williamr@2: __DECLARE_INSTANCE(locale::id, num_get_char_2::id, );
williamr@2: #endif
williamr@2:
williamr@2: # ifndef _STLP_NO_WCHAR_T
williamr@2:
williamr@2: typedef num_get<wchar_t, const wchar_t*> num_get_wchar_t;
williamr@2: typedef num_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > > num_get_wchar_t_2;
williamr@2:
williamr@2: #ifndef __SYMBIAN32__
williamr@2: __DECLARE_INSTANCE(locale::id, num_get_wchar_t::id, );
williamr@2: __DECLARE_INSTANCE(locale::id, num_get_wchar_t_2::id, );
williamr@2: #endif
williamr@2:
williamr@2: # endif
williamr@2:
williamr@2: # endif /* ( _STLP_STATIC_TEMPLATE_DATA > 0 ) */
williamr@2:
williamr@2: # ifndef _STLP_NO_BOOL
williamr@2: template <class _CharT, class _InputIter>
williamr@2: _InputIter
williamr@2: num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end,
williamr@2: ios_base& __s,
williamr@2: ios_base::iostate& __err, bool& __x) const
williamr@2: {
williamr@2: if (__s.flags() & ios_base::boolalpha) {
williamr@2: locale __loc = __s.getloc();
williamr@2: //const _Numpunct& __np = *(const _Numpunct*)__s._M_numpunct_facet();
williamr@2: const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc) ;
williamr@2: // const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc) ;
williamr@2:
williamr@2: const basic_string<_CharT> __truename = __np.truename();
williamr@2: const basic_string<_CharT> __falsename = __np.falsename();
williamr@2: bool __true_ok = true;
williamr@2: bool __false_ok = true;
williamr@2:
williamr@2: size_t __n = 0;
williamr@2: for ( ; __stl_in != __end; ++__stl_in) {
williamr@2: _CharT __c = *__stl_in;
williamr@2: __true_ok = __true_ok && (__c == __truename[__n]);
williamr@2: __false_ok = __false_ok && (__c == __falsename[__n]);
williamr@2: ++__n;
williamr@2:
williamr@2: if ((!__true_ok && !__false_ok) ||
williamr@2: (__true_ok && __n >= __truename.size()) ||
williamr@2: (__false_ok && __n >= __falsename.size())) {
williamr@2:
williamr@2: if (__true_ok || __false_ok) //if anything OK then increment, else, break
williamr@2: ++__stl_in;
williamr@2: break;
williamr@2: }
williamr@2: }
williamr@2: // stdcxx fix, Changed to check for complete true,false string
williamr@2: if (__true_ok && __n < __truename.size())
williamr@2: {
williamr@2: for ( ; __stl_in != __end; ++__stl_in) {
williamr@2: _CharT __c = *__stl_in;
williamr@2: __true_ok = __true_ok && (__c == __truename[__n]);
williamr@2: ++__n;
williamr@2: if ((!__true_ok) ||(__true_ok && __n >= __truename.size()) )
williamr@2: {
williamr@2: if(__true_ok)
williamr@2: ++__stl_in;
williamr@2: break;
williamr@2: }
williamr@2:
williamr@2: }
williamr@2: if (__true_ok && __n < __truename.size())
williamr@2: __true_ok = false;
williamr@2: }
williamr@2: if (__false_ok && __n < __falsename.size())
williamr@2: {
williamr@2:
williamr@2: for ( ; __stl_in != __end; ++__stl_in) {
williamr@2: _CharT __c = *__stl_in;
williamr@2: __false_ok = __false_ok && (__c == __falsename[__n]);
williamr@2: ++__n;
williamr@2: if ((!__false_ok) ||(__false_ok && __n >= __falsename.size()) )
williamr@2: {
williamr@2: if(__false_ok)
williamr@2: ++__stl_in;
williamr@2: break;
williamr@2: }
williamr@2:
williamr@2: }
williamr@2: if (__false_ok && __n < __falsename.size())
williamr@2: __false_ok = false;
williamr@2: }
williamr@2:
williamr@2: if (__true_ok || __false_ok) {
williamr@2: __err = ios_base::goodbit;
williamr@2: __x = __true_ok;
williamr@2: }
williamr@2: else
williamr@2: __err = ios_base::failbit;
williamr@2:
williamr@2: if (__stl_in == __end)
williamr@2: __err |= ios_base::eofbit;
williamr@2:
williamr@2: return __stl_in;
williamr@2: }
williamr@2:
williamr@2: else {
williamr@2: long __lx;
williamr@2: _InputIter __tmp = this->do_get(__stl_in, __end, __s, __err, __lx);
williamr@2: if (!(__err & ios_base::failbit)) {
williamr@2: if (__lx == 0)
williamr@2: __x = false;
williamr@2: else if (__lx == 1)
williamr@2: __x = true;
williamr@2: else
williamr@2: __err |= ios_base::failbit;
williamr@2: }
williamr@2: return __tmp;
williamr@2: }
williamr@2: }
williamr@2:
williamr@2: # endif /* _STLP_NO_BOOL */
williamr@2:
williamr@2: //# ifdef _STLP_FIX_LIBRARY_ISSUES
williamr@2: template <class _CharT, class _InputIter>
williamr@2: _InputIter
williamr@2: num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
williamr@2: ios_base::iostate& __err, short& __val) const {
williamr@2: return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
williamr@2: }
williamr@2:
williamr@2: template <class _CharT, class _InputIter>
williamr@2: _InputIter
williamr@2: num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
williamr@2: ios_base::iostate& __err, int& __val) const {
williamr@2: return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
williamr@2: }
williamr@2:
williamr@2: //# endif
williamr@2:
williamr@2: template <class _CharT, class _InputIter>
williamr@2: _InputIter
williamr@2: num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
williamr@2: ios_base::iostate& __err, long& __val) const {
williamr@2: return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
williamr@2: }
williamr@2:
williamr@2: template <class _CharT, class _InputIter>
williamr@2: _InputIter
williamr@2: num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
williamr@2: ios_base::iostate& __err,
williamr@2: unsigned short& __val) const {
williamr@2: return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
williamr@2: }
williamr@2:
williamr@2: template <class _CharT, class _InputIter>
williamr@2: _InputIter
williamr@2: num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
williamr@2: ios_base::iostate& __err,
williamr@2: unsigned int& __val) const {
williamr@2: return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
williamr@2: }
williamr@2:
williamr@2: template <class _CharT, class _InputIter>
williamr@2: _InputIter
williamr@2: num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
williamr@2: ios_base::iostate& __err,
williamr@2: unsigned long& __val) const {
williamr@2: return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
williamr@2: }
williamr@2:
williamr@2:
williamr@2: template <class _CharT, class _InputIter>
williamr@2: _InputIter
williamr@2: num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
williamr@2: ios_base::iostate& __err,
williamr@2: float& __val) const {
williamr@2: string __buf ;
williamr@2: bool __ok = _M_read_float(__buf, __stl_in, __end, __str, (_CharT*)0 );
williamr@2: if(__ok) //If success reading float then convert it.
williamr@2: {
williamr@2: #ifdef __SYMBIAN32__
williamr@2: float __tval;
williamr@2: __ok = __string_to_float(__buf, __tval);
williamr@2: if(__ok)
williamr@2: __val = __tval;
williamr@2: #else
williamr@2: __string_to_float(__buf, __val);
williamr@2: #endif
williamr@2: }
williamr@2: __err = __STATIC_CAST(ios_base::iostate, __ok ? ios_base::goodbit : ios_base::failbit);
williamr@2: if (__stl_in == __end)
williamr@2: __err |= ios_base::eofbit;
williamr@2: return __stl_in;
williamr@2: }
williamr@2:
williamr@2: template <class _CharT, class _InputIter>
williamr@2: _InputIter
williamr@2: num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
williamr@2: ios_base::iostate& __err,
williamr@2: double& __val) const {
williamr@2: string __buf ;
williamr@2: bool __ok = _M_read_float(__buf, __stl_in, __end, __str, (_CharT*)0 );
williamr@2: if(__ok) //If success reading float then convert it.
williamr@2: {
williamr@2: #ifdef __SYMBIAN32__
williamr@2: double __tval;
williamr@2: __ok = __string_to_float(__buf, __tval);
williamr@2: if(__ok)
williamr@2: __val = __tval;
williamr@2: #else
williamr@2: __string_to_float(__buf, __val);
williamr@2: #endif
williamr@2: }
williamr@2: __err = __STATIC_CAST(ios_base::iostate, __ok ? ios_base::goodbit : ios_base::failbit);
williamr@2: if (__stl_in == __end)
williamr@2: __err |= ios_base::eofbit;
williamr@2: return __stl_in;
williamr@2: }
williamr@2:
williamr@2: #ifndef _STLP_NO_LONG_DOUBLE
williamr@2: template <class _CharT, class _InputIter>
williamr@2: _InputIter
williamr@2: num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
williamr@2: ios_base::iostate& __err,
williamr@2: long double& __val) const {
williamr@2: string __buf ;
williamr@2: bool __ok = _M_read_float(__buf, __stl_in, __end, __str, (_CharT*)0 );
williamr@2: if(__ok) //If success reading float then convert it.
williamr@2: {
williamr@2: #ifdef __SYMBIAN32__
williamr@2: long double __tval;
williamr@2: __ok = __string_to_float(__buf, __tval);
williamr@2: if(__ok)
williamr@2: __val = __tval;
williamr@2: #else
williamr@2: __string_to_float(__buf, __val);
williamr@2: #endif
williamr@2: }
williamr@2: __err = __STATIC_CAST(ios_base::iostate, __ok ? ios_base::goodbit : ios_base::failbit);
williamr@2: if (__stl_in == __end)
williamr@2: __err |= ios_base::eofbit;
williamr@2: return __stl_in;
williamr@2: }
williamr@2: #endif /* _STLP_NO_LONG_DOUBLE */
williamr@2:
williamr@2: template <class _CharT, class _InputIter>
williamr@2: _InputIter
williamr@2: num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
williamr@2: ios_base::iostate& __err,
williamr@2: void*& __p) const {
williamr@2: #ifdef __SYMBIAN32__
williamr@2: unsigned long __val; //using only long
williamr@2: #else
williamr@2: # if defined(_STLP_LONG_LONG)&&!defined(__MRC__) //*ty 12/07/2001 - MrCpp can not cast from long long to void*
williamr@2: unsigned _STLP_LONG_LONG __val;
williamr@2: # else
williamr@2: unsigned long __val;
williamr@2: # endif
williamr@2: #endif //__SYMBIAN32__
williamr@2: #ifdef __SYMBIAN32__
williamr@2: ios_base::fmtflags __save_flags = __str.flags();
williamr@2:
williamr@2: __str.setf(ios_base::hex, ios_base::basefield);
williamr@2: __str.setf(ios_base::showbase);
williamr@2: __str.setf(ios_base::internal, ios_base::adjustfield);
williamr@2: __str.width((sizeof(void*) * 2) + 2);
williamr@2: #endif // __SYMBIAN32__
williamr@2: iter_type __tmp = _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
williamr@2: if (!(__err & ios_base::failbit))
williamr@2: __p = __REINTERPRET_CAST(void*,(long)__val);
williamr@2: #ifdef __SYMBIAN32__
williamr@2: __str.flags(__save_flags);
williamr@2: #endif //__SYMBIAN32__
williamr@2: return __tmp;
williamr@2: }
williamr@2:
williamr@2:
williamr@2: #ifdef _STLP_LONG_LONG
williamr@2:
williamr@2: template <class _CharT, class _InputIter>
williamr@2: _InputIter
williamr@2: num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
williamr@2: ios_base::iostate& __err,
williamr@2: _STLP_LONG_LONG& __val) const {
williamr@2: return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
williamr@2: }
williamr@2:
williamr@2: template <class _CharT, class _InputIter>
williamr@2: _InputIter
williamr@2: num_get<_CharT, _InputIter>::do_get(_InputIter __stl_in, _InputIter __end, ios_base& __str,
williamr@2: ios_base::iostate& __err,
williamr@2: unsigned _STLP_LONG_LONG& __val) const {
williamr@2: return _M_do_get_integer(__stl_in, __end, __str, __err, __val, (_CharT*)0 );
williamr@2: }
williamr@2:
williamr@2: #endif /* _STLP_LONG_LONG */
williamr@2:
williamr@2: _STLP_END_NAMESPACE
williamr@2:
williamr@2: # endif /* _STLP_EXPOSE_STREAM_IMPLEMENTATION */
williamr@2:
williamr@2: #endif /* _STLP_NUMERIC_FACETS_C */
williamr@2:
williamr@2: // Local Variables:
williamr@2: // mode:C++
williamr@2: // End: