williamr@2
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/*
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williamr@4
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* Portions Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
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williamr@4
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*
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williamr@2
|
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* Copyright (c) 1999
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williamr@2
|
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* Silicon Graphics Computer Systems, Inc.
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williamr@2
|
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*
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williamr@2
|
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* Copyright (c) 1999
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williamr@2
|
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* Boris Fomitchev
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williamr@2
|
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*
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williamr@2
|
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* This material is provided "as is", with absolutely no warranty expressed
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williamr@2
|
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* or implied. Any use is at your own risk.
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williamr@2
|
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*
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williamr@2
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* Permission to use or copy this software for any purpose is hereby granted
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williamr@2
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* without fee, provided the above notices are retained on all copies.
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williamr@2
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* Permission to modify the code and to distribute modified code is granted,
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williamr@2
|
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* provided the above notices are retained, and a notice that the code was
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williamr@2
|
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* modified is included with the above copyright notice.
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williamr@2
|
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*
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williamr@2
|
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*/
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williamr@2
|
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#ifndef _STLP_NUM_GET_C
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williamr@2
|
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#define _STLP_NUM_GET_C
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williamr@2
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williamr@2
|
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#ifndef _STLP_INTERNAL_NUM_GET_H
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williamr@4
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# include <stl/_num_get.h>
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williamr@2
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#endif
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williamr@2
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williamr@4
|
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#ifndef _STLP_INTERNAL_LIMITS
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williamr@4
|
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# include <stl/_limits.h>
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williamr@2
|
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#endif
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williamr@2
|
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williamr@2
|
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_STLP_BEGIN_NAMESPACE
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williamr@2
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williamr@4
|
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_STLP_MOVE_TO_PRIV_NAMESPACE
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williamr@4
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williamr@4
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_STLP_DECLSPEC unsigned char _STLP_CALL __digit_val_table(unsigned);
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williamr@4
|
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_STLP_DECLSPEC const char* _STLP_CALL __narrow_atoms();
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williamr@2
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williamr@2
|
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template < class _InputIter, class _Integer, class _CharT>
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williamr@2
|
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_InputIter _STLP_CALL
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williamr@4
|
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__do_get_integer(_InputIter&, _InputIter&, ios_base&, ios_base::iostate&, _Integer&, _CharT*);
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williamr@2
|
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williamr@4
|
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// __do_get_integer and its helper functions.
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williamr@2
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williamr@4
|
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inline bool _STLP_CALL __get_fdigit(char __c, const char*)
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williamr@4
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{ return __c >= '0' && __c <= '9'; }
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williamr@2
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williamr@4
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inline bool _STLP_CALL __get_fdigit_or_sep(char& __c, char __sep, const char *__digits) {
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williamr@2
|
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if (__c == __sep) {
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williamr@2
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__c = ',' ;
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williamr@2
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return true ;
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williamr@4
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}
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williamr@4
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else
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williamr@4
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return __get_fdigit(__c, __digits);
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williamr@2
|
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}
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williamr@2
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williamr@2
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inline int _STLP_CALL
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williamr@2
|
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__get_digit_from_table(unsigned __index)
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williamr@4
|
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{ return (__index > 127 ? 0xFF : __digit_val_table(__index)); }
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williamr@2
|
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williamr@2
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template <class _InputIter, class _CharT>
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williamr@2
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int
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williamr@4
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__get_base_or_zero(_InputIter& __in_ite, _InputIter& __end, ios_base& __str, _CharT*) {
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williamr@2
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_CharT __atoms[5];
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williamr@4
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const ctype<_CharT>& __c_type = *__STATIC_CAST(const ctype<_CharT>*, __str._M_ctype_facet());
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williamr@2
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williamr@4
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__c_type.widen(__narrow_atoms(), __narrow_atoms() + 5, __atoms);
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williamr@2
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williamr@2
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bool __negative = false;
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williamr@4
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_CharT __c = *__in_ite;
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williamr@2
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if (__c == __atoms[1] /* __xminus_char */ ) {
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__negative = true;
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williamr@4
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++__in_ite;
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williamr@2
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}
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williamr@2
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else if (__c == __atoms[0] /* __xplus_char */ )
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williamr@4
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++__in_ite;
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williamr@2
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williamr@2
|
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int __base;
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williamr@2
|
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int __valid_zero = 0;
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williamr@2
|
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williamr@2
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ios_base::fmtflags __basefield = __str.flags() & ios_base::basefield;
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williamr@2
|
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|
williamr@2
|
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switch (__basefield) {
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williamr@2
|
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case ios_base::oct:
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williamr@2
|
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__base = 8;
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williamr@2
|
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break;
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williamr@2
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case ios_base::dec:
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williamr@2
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__base = 10;
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williamr@2
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break;
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williamr@2
|
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case ios_base::hex:
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williamr@2
|
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__base = 16;
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williamr@4
|
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if (__in_ite != __end && *__in_ite == __atoms[2] /* __zero_char */ ) {
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williamr@4
|
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++__in_ite;
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williamr@4
|
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if (__in_ite != __end &&
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williamr@4
|
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(*__in_ite == __atoms[3] /* __x_char */ || *__in_ite == __atoms[4] /* __X_char */ ))
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williamr@4
|
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++__in_ite;
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williamr@2
|
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else
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williamr@2
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__valid_zero = 1; // That zero is valid by itself.
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williamr@2
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}
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williamr@2
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100 |
break;
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williamr@2
|
101 |
default:
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williamr@4
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if (__in_ite != __end && *__in_ite == __atoms[2] /* __zero_char */ ) {
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williamr@4
|
103 |
++__in_ite;
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williamr@4
|
104 |
if (__in_ite != __end &&
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williamr@4
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(*__in_ite == __atoms[3] /* __x_char */ || *__in_ite == __atoms[4] /* __X_char */ )) {
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williamr@4
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++__in_ite;
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williamr@2
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__base = 16;
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williamr@2
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108 |
}
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williamr@2
|
109 |
else
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williamr@2
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{
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williamr@2
|
111 |
__base = 8;
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williamr@2
|
112 |
__valid_zero = 1; // That zero is still valid by itself.
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williamr@2
|
113 |
}
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williamr@2
|
114 |
}
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williamr@2
|
115 |
else
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williamr@2
|
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__base = 10;
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williamr@2
|
117 |
break;
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williamr@2
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118 |
}
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williamr@2
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119 |
return (__base << 2) | ((int)__negative << 1) | __valid_zero;
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williamr@2
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120 |
}
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williamr@2
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121 |
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williamr@2
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122 |
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williamr@4
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template <class _InputIter, class _Integer, class _CharT>
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williamr@2
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124 |
bool _STLP_CALL
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williamr@2
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__get_integer(_InputIter& __first, _InputIter& __last,
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williamr@4
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int __base, _Integer& __val,
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williamr@4
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int __got, bool __is_negative, _CharT __separator, const string& __grouping, const __true_type& /*_IsSigned*/) {
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williamr@2
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128 |
bool __ovflow = false;
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williamr@2
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_Integer __result = 0;
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williamr@2
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bool __is_group = !__grouping.empty();
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williamr@4
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131 |
char __group_sizes[64];
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williamr@4
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132 |
char __current_group_size = 0;
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williamr@2
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133 |
char* __group_sizes_end = __group_sizes;
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williamr@4
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williamr@2
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135 |
_Integer __over_base = (numeric_limits<_Integer>::min)() / __STATIC_CAST(_Integer, __base);
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williamr@2
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136 |
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williamr@2
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for ( ; __first != __last ; ++__first) {
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williamr@2
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williamr@4
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const _CharT __c = *__first;
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williamr@2
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140 |
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williamr@2
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141 |
if (__is_group && __c == __separator) {
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williamr@4
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*__group_sizes_end++ = __current_group_size;
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williamr@2
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143 |
__current_group_size = 0;
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williamr@2
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144 |
continue;
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williamr@2
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}
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williamr@2
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146 |
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williamr@2
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147 |
int __n = __get_digit_from_table(__c);
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williamr@2
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148 |
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williamr@2
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149 |
if (__n >= __base)
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williamr@4
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150 |
break;
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williamr@2
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151 |
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williamr@2
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152 |
++__got;
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williamr@2
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153 |
++__current_group_size;
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williamr@2
|
154 |
|
williamr@2
|
155 |
if (__result < __over_base)
|
williamr@2
|
156 |
__ovflow = true; // don't need to keep accumulating
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williamr@2
|
157 |
else {
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williamr@2
|
158 |
_Integer __next = __STATIC_CAST(_Integer, __base * __result - __n);
|
williamr@2
|
159 |
if (__result != 0)
|
williamr@4
|
160 |
__ovflow = __ovflow || __next >= __result;
|
williamr@2
|
161 |
__result = __next;
|
williamr@2
|
162 |
}
|
williamr@2
|
163 |
}
|
williamr@2
|
164 |
|
williamr@2
|
165 |
if (__is_group && __group_sizes_end != __group_sizes) {
|
williamr@2
|
166 |
*__group_sizes_end++ = __current_group_size;
|
williamr@2
|
167 |
}
|
williamr@2
|
168 |
|
williamr@2
|
169 |
// fbp : added to not modify value if nothing was read
|
williamr@2
|
170 |
if (__got > 0) {
|
williamr@4
|
171 |
__val = __ovflow ? __is_negative ? (numeric_limits<_Integer>::min)()
|
williamr@4
|
172 |
: (numeric_limits<_Integer>::max)()
|
williamr@4
|
173 |
: __is_negative ? __result
|
williamr@4
|
174 |
: __STATIC_CAST(_Integer, -__result);
|
williamr@2
|
175 |
}
|
williamr@2
|
176 |
// overflow is being treated as failure
|
williamr@4
|
177 |
return ((__got > 0) && !__ovflow) &&
|
williamr@4
|
178 |
(__is_group == 0 ||
|
williamr@4
|
179 |
__valid_grouping(__group_sizes, __group_sizes_end,
|
williamr@4
|
180 |
__grouping.data(), __grouping.data()+ __grouping.size()));
|
williamr@2
|
181 |
}
|
williamr@2
|
182 |
|
williamr@4
|
183 |
template <class _InputIter, class _Integer, class _CharT>
|
williamr@2
|
184 |
bool _STLP_CALL
|
williamr@2
|
185 |
__get_integer(_InputIter& __first, _InputIter& __last,
|
williamr@4
|
186 |
int __base, _Integer& __val,
|
williamr@4
|
187 |
int __got, bool __is_negative, _CharT __separator, const string& __grouping, const __false_type& /*_IsSigned*/) {
|
williamr@2
|
188 |
bool __ovflow = false;
|
williamr@2
|
189 |
_Integer __result = 0;
|
williamr@2
|
190 |
bool __is_group = !__grouping.empty();
|
williamr@4
|
191 |
char __group_sizes[64];
|
williamr@4
|
192 |
char __current_group_size = 0;
|
williamr@2
|
193 |
char* __group_sizes_end = __group_sizes;
|
williamr@2
|
194 |
|
williamr@2
|
195 |
_Integer __over_base = (numeric_limits<_Integer>::max)() / __STATIC_CAST(_Integer, __base);
|
williamr@2
|
196 |
|
williamr@2
|
197 |
for ( ; __first != __last ; ++__first) {
|
williamr@2
|
198 |
|
williamr@4
|
199 |
const _CharT __c = *__first;
|
williamr@4
|
200 |
|
williamr@4
|
201 |
if (__is_group && __c == __separator) {
|
williamr@4
|
202 |
*__group_sizes_end++ = __current_group_size;
|
williamr@2
|
203 |
__current_group_size = 0;
|
williamr@2
|
204 |
continue;
|
williamr@2
|
205 |
}
|
williamr@4
|
206 |
|
williamr@2
|
207 |
int __n = __get_digit_from_table(__c);
|
williamr@2
|
208 |
|
williamr@2
|
209 |
if (__n >= __base)
|
williamr@4
|
210 |
break;
|
williamr@2
|
211 |
|
williamr@2
|
212 |
++__got;
|
williamr@2
|
213 |
++__current_group_size;
|
williamr@2
|
214 |
|
williamr@2
|
215 |
if (__result > __over_base)
|
williamr@2
|
216 |
__ovflow = true; //don't need to keep accumulating
|
williamr@2
|
217 |
else {
|
williamr@2
|
218 |
_Integer __next = __STATIC_CAST(_Integer, __base * __result + __n);
|
williamr@4
|
219 |
if (__result != 0)
|
williamr@4
|
220 |
__ovflow = __ovflow || __next <= __result;
|
williamr@4
|
221 |
__result = __next;
|
williamr@2
|
222 |
}
|
williamr@2
|
223 |
}
|
williamr@2
|
224 |
|
williamr@2
|
225 |
if (__is_group && __group_sizes_end != __group_sizes) {
|
williamr@4
|
226 |
*__group_sizes_end++ = __current_group_size;
|
williamr@2
|
227 |
}
|
williamr@2
|
228 |
|
williamr@2
|
229 |
// fbp : added to not modify value if nothing was read
|
williamr@2
|
230 |
if (__got > 0) {
|
williamr@4
|
231 |
__val = __ovflow ? (numeric_limits<_Integer>::max)()
|
williamr@4
|
232 |
: (__is_negative ? __STATIC_CAST(_Integer, -__result)
|
williamr@4
|
233 |
: __result);
|
williamr@2
|
234 |
}
|
williamr@2
|
235 |
|
williamr@2
|
236 |
// overflow is being treated as failure
|
williamr@2
|
237 |
return ((__got > 0) && !__ovflow) &&
|
williamr@4
|
238 |
(__is_group == 0 ||
|
williamr@4
|
239 |
__valid_grouping(__group_sizes, __group_sizes_end,
|
williamr@4
|
240 |
__grouping.data(), __grouping.data()+ __grouping.size()));
|
williamr@2
|
241 |
}
|
williamr@2
|
242 |
|
williamr@2
|
243 |
|
williamr@4
|
244 |
template <class _InputIter, class _Integer, class _CharT>
|
williamr@2
|
245 |
bool _STLP_CALL
|
williamr@4
|
246 |
__get_decimal_integer(_InputIter& __first, _InputIter& __last, _Integer& __val, _CharT* /*dummy*/) {
|
williamr@2
|
247 |
string __grp;
|
williamr@4
|
248 |
//Here there is no grouping so separator is not important, we just pass the default charater.
|
williamr@4
|
249 |
return __get_integer(__first, __last, 10, __val, 0, false, _CharT() /*separator*/, __grp, __false_type());
|
williamr@2
|
250 |
}
|
williamr@2
|
251 |
|
williamr@2
|
252 |
template <class _InputIter, class _Integer, class _CharT>
|
williamr@2
|
253 |
_InputIter _STLP_CALL
|
williamr@4
|
254 |
__do_get_integer(_InputIter& __in_ite, _InputIter& __end, ios_base& __str,
|
williamr@4
|
255 |
ios_base::iostate& __err, _Integer& __val, _CharT* __pc) {
|
williamr@4
|
256 |
#if defined (__HP_aCC) && (__HP_aCC == 1)
|
williamr@2
|
257 |
bool _IsSigned = !((_Integer)(-1) > 0);
|
williamr@2
|
258 |
#else
|
williamr@2
|
259 |
typedef typename __bool2type<numeric_limits<_Integer>::is_signed>::_Ret _IsSigned;
|
williamr@2
|
260 |
#endif
|
williamr@2
|
261 |
|
williamr@4
|
262 |
const numpunct<_CharT>& __numpunct = *__STATIC_CAST(const numpunct<_CharT>*, __str._M_numpunct_facet());
|
williamr@4
|
263 |
const string& __grouping = __str._M_grouping(); // cached copy
|
williamr@2
|
264 |
|
williamr@4
|
265 |
const int __base_or_zero = __get_base_or_zero(__in_ite, __end, __str, __pc);
|
williamr@2
|
266 |
int __got = __base_or_zero & 1;
|
williamr@2
|
267 |
|
williamr@2
|
268 |
bool __result;
|
williamr@2
|
269 |
|
williamr@4
|
270 |
if (__in_ite == __end) { // We may have already read a 0. If so,
|
williamr@2
|
271 |
|
williamr@2
|
272 |
if (__got > 0) { // the result is 0 even if we're at eof.
|
williamr@2
|
273 |
__val = 0;
|
williamr@2
|
274 |
__result = true;
|
williamr@2
|
275 |
}
|
williamr@2
|
276 |
else
|
williamr@2
|
277 |
__result = false;
|
williamr@4
|
278 |
}
|
williamr@4
|
279 |
else {
|
williamr@4
|
280 |
const bool __negative = (__base_or_zero & 2) != 0;
|
williamr@2
|
281 |
const int __base = __base_or_zero >> 2;
|
williamr@2
|
282 |
|
williamr@4
|
283 |
#if defined (__HP_aCC) && (__HP_aCC == 1)
|
williamr@4
|
284 |
if (_IsSigned)
|
williamr@4
|
285 |
__result = __get_integer(__in_ite, __end, __base, __val, __got, __negative, __numpunct.thousands_sep(), __grouping, __true_type() );
|
williamr@4
|
286 |
else
|
williamr@4
|
287 |
__result = __get_integer(__in_ite, __end, __base, __val, __got, __negative, __numpunct.thousands_sep(), __grouping, __false_type() );
|
williamr@2
|
288 |
#else
|
williamr@4
|
289 |
__result = __get_integer(__in_ite, __end, __base, __val, __got, __negative, __numpunct.thousands_sep(), __grouping, _IsSigned());
|
williamr@2
|
290 |
# endif
|
williamr@2
|
291 |
}
|
williamr@2
|
292 |
|
williamr@2
|
293 |
__err = __STATIC_CAST(ios_base::iostate, __result ? ios_base::goodbit : ios_base::failbit);
|
williamr@2
|
294 |
|
williamr@4
|
295 |
if (__in_ite == __end)
|
williamr@2
|
296 |
__err |= ios_base::eofbit;
|
williamr@4
|
297 |
return __in_ite;
|
williamr@2
|
298 |
}
|
williamr@2
|
299 |
|
williamr@4
|
300 |
// __read_float and its helper functions.
|
williamr@2
|
301 |
template <class _InputIter, class _CharT>
|
williamr@2
|
302 |
_InputIter _STLP_CALL
|
williamr@4
|
303 |
__copy_sign(_InputIter __first, _InputIter __last, __iostring& __v,
|
williamr@2
|
304 |
_CharT __xplus, _CharT __xminus) {
|
williamr@4
|
305 |
if (__first != __last) {
|
williamr@2
|
306 |
_CharT __c = *__first;
|
williamr@2
|
307 |
if (__c == __xplus)
|
williamr@2
|
308 |
++__first;
|
williamr@2
|
309 |
else if (__c == __xminus) {
|
williamr@2
|
310 |
__v.push_back('-');
|
williamr@2
|
311 |
++__first;
|
williamr@2
|
312 |
}
|
williamr@2
|
313 |
}
|
williamr@2
|
314 |
return __first;
|
williamr@2
|
315 |
}
|
williamr@2
|
316 |
|
williamr@2
|
317 |
|
williamr@2
|
318 |
template <class _InputIter, class _CharT>
|
williamr@2
|
319 |
bool _STLP_CALL
|
williamr@4
|
320 |
__copy_digits(_InputIter& __first, _InputIter __last,
|
williamr@4
|
321 |
__iostring& __v, const _CharT* __digits) {
|
williamr@2
|
322 |
bool __ok = false;
|
williamr@2
|
323 |
|
williamr@2
|
324 |
for ( ; __first != __last; ++__first) {
|
williamr@2
|
325 |
_CharT __c = *__first;
|
williamr@2
|
326 |
if (__get_fdigit(__c, __digits)) {
|
williamr@2
|
327 |
__v.push_back((char)__c);
|
williamr@2
|
328 |
__ok = true;
|
williamr@2
|
329 |
}
|
williamr@2
|
330 |
else
|
williamr@2
|
331 |
break;
|
williamr@2
|
332 |
}
|
williamr@2
|
333 |
return __ok;
|
williamr@2
|
334 |
}
|
williamr@2
|
335 |
|
williamr@2
|
336 |
template <class _InputIter, class _CharT>
|
williamr@2
|
337 |
bool _STLP_CALL
|
williamr@4
|
338 |
__copy_grouped_digits(_InputIter& __first, _InputIter __last,
|
williamr@4
|
339 |
__iostring& __v, const _CharT * __digits,
|
williamr@4
|
340 |
_CharT __sep, const string& __grouping,
|
williamr@4
|
341 |
bool& __grouping_ok) {
|
williamr@2
|
342 |
bool __ok = false;
|
williamr@4
|
343 |
char __group_sizes[64];
|
williamr@2
|
344 |
char*__group_sizes_end = __group_sizes;
|
williamr@2
|
345 |
char __current_group_size = 0;
|
williamr@2
|
346 |
|
williamr@2
|
347 |
for ( ; __first != __last; ++__first) {
|
williamr@2
|
348 |
_CharT __c = *__first;
|
williamr@2
|
349 |
bool __tmp = __get_fdigit_or_sep(__c, __sep, __digits);
|
williamr@2
|
350 |
if (__tmp) {
|
williamr@4
|
351 |
if (__c == ',') {
|
williamr@4
|
352 |
*__group_sizes_end++ = __current_group_size;
|
williamr@2
|
353 |
__current_group_size = 0;
|
williamr@2
|
354 |
}
|
williamr@2
|
355 |
else {
|
williamr@2
|
356 |
__ok = true;
|
williamr@2
|
357 |
__v.push_back((char)__c);
|
williamr@2
|
358 |
++__current_group_size;
|
williamr@2
|
359 |
}
|
williamr@2
|
360 |
}
|
williamr@2
|
361 |
else
|
williamr@2
|
362 |
break;
|
williamr@2
|
363 |
}
|
williamr@2
|
364 |
|
williamr@2
|
365 |
if (__group_sizes_end != __group_sizes)
|
williamr@4
|
366 |
*__group_sizes_end++ = __current_group_size;
|
williamr@2
|
367 |
__grouping_ok = __valid_grouping(__group_sizes, __group_sizes_end, __grouping.data(), __grouping.data() + __grouping.size());
|
williamr@2
|
368 |
return __ok;
|
williamr@2
|
369 |
}
|
williamr@2
|
370 |
|
williamr@2
|
371 |
|
williamr@2
|
372 |
template <class _InputIter, class _CharT>
|
williamr@2
|
373 |
bool _STLP_CALL
|
williamr@4
|
374 |
__read_float(__iostring& __buf, _InputIter& __in_ite, _InputIter& __end, ios_base& __s, _CharT*) {
|
williamr@2
|
375 |
// Create a string, copying characters of the form
|
williamr@2
|
376 |
// [+-]? [0-9]* .? [0-9]* ([eE] [+-]? [0-9]+)?
|
williamr@2
|
377 |
|
williamr@2
|
378 |
bool __digits_before_dot /* = false */;
|
williamr@2
|
379 |
bool __digits_after_dot = false;
|
williamr@2
|
380 |
bool __ok;
|
williamr@2
|
381 |
|
williamr@2
|
382 |
bool __grouping_ok = true;
|
williamr@2
|
383 |
|
williamr@4
|
384 |
const ctype<_CharT>& __ct = *__STATIC_CAST(const ctype<_CharT>*, __s._M_ctype_facet());
|
williamr@4
|
385 |
const numpunct<_CharT>& __numpunct = *__STATIC_CAST(const numpunct<_CharT>*, __s._M_numpunct_facet());
|
williamr@4
|
386 |
const string& __grouping = __s._M_grouping(); // cached copy
|
williamr@2
|
387 |
|
williamr@2
|
388 |
_CharT __dot = __numpunct.decimal_point();
|
williamr@2
|
389 |
_CharT __sep = __numpunct.thousands_sep();
|
williamr@2
|
390 |
|
williamr@2
|
391 |
_CharT __digits[10];
|
williamr@2
|
392 |
_CharT __xplus;
|
williamr@2
|
393 |
_CharT __xminus;
|
williamr@2
|
394 |
|
williamr@2
|
395 |
_CharT __pow_e;
|
williamr@2
|
396 |
_CharT __pow_E;
|
williamr@2
|
397 |
|
williamr@2
|
398 |
_Initialize_get_float(__ct, __xplus, __xminus, __pow_e, __pow_E, __digits);
|
williamr@2
|
399 |
|
williamr@2
|
400 |
// Get an optional sign
|
williamr@4
|
401 |
__in_ite = __copy_sign(__in_ite, __end, __buf, __xplus, __xminus);
|
williamr@2
|
402 |
|
williamr@2
|
403 |
// Get an optional string of digits.
|
williamr@4
|
404 |
if (!__grouping.empty())
|
williamr@4
|
405 |
__digits_before_dot = __copy_grouped_digits(__in_ite, __end, __buf, __digits,
|
williamr@4
|
406 |
__sep, __grouping, __grouping_ok);
|
williamr@2
|
407 |
else
|
williamr@4
|
408 |
__digits_before_dot = __copy_digits(__in_ite, __end, __buf, __digits);
|
williamr@2
|
409 |
|
williamr@2
|
410 |
// Get an optional decimal point, and an optional string of digits.
|
williamr@4
|
411 |
if (__in_ite != __end && *__in_ite == __dot) {
|
williamr@2
|
412 |
__buf.push_back('.');
|
williamr@4
|
413 |
++__in_ite;
|
williamr@4
|
414 |
__digits_after_dot = __copy_digits(__in_ite, __end, __buf, __digits);
|
williamr@2
|
415 |
}
|
williamr@2
|
416 |
|
williamr@2
|
417 |
// There have to be some digits, somewhere.
|
williamr@2
|
418 |
__ok = __digits_before_dot || __digits_after_dot;
|
williamr@2
|
419 |
|
williamr@2
|
420 |
// Get an optional exponent.
|
williamr@4
|
421 |
if (__ok && __in_ite != __end && (*__in_ite == __pow_e || *__in_ite == __pow_E)) {
|
williamr@2
|
422 |
__buf.push_back('e');
|
williamr@4
|
423 |
++__in_ite;
|
williamr@4
|
424 |
__in_ite = __copy_sign(__in_ite, __end, __buf, __xplus, __xminus);
|
williamr@4
|
425 |
__ok = __copy_digits(__in_ite, __end, __buf, __digits);
|
williamr@2
|
426 |
// If we have an exponent then the sign
|
williamr@2
|
427 |
// is optional but the digits aren't.
|
williamr@2
|
428 |
}
|
williamr@2
|
429 |
|
williamr@2
|
430 |
return __ok;
|
williamr@2
|
431 |
}
|
williamr@2
|
432 |
|
williamr@4
|
433 |
_STLP_MOVE_TO_STD_NAMESPACE
|
williamr@4
|
434 |
|
williamr@2
|
435 |
//
|
williamr@2
|
436 |
// num_get<>, num_put<>
|
williamr@2
|
437 |
//
|
williamr@2
|
438 |
|
williamr@4
|
439 |
#if ( _STLP_STATIC_TEMPLATE_DATA > 0 )
|
williamr@4
|
440 |
# if !defined(__SYMBIAN32__WSD__)
|
williamr@4
|
441 |
# if !defined (__BORLANDC__) && (defined (__SYMBIAN32__) && defined(_STLP_DESIGNATED_DLL))
|
williamr@2
|
442 |
template <class _CharT, class _InputIterator>
|
williamr@2
|
443 |
locale::id num_get<_CharT, _InputIterator>::id;
|
williamr@4
|
444 |
# endif
|
williamr@2
|
445 |
|
williamr@4
|
446 |
# if ((defined (__CYGWIN__) || defined (__MINGW32__)) && \
|
williamr@4
|
447 |
defined (_STLP_USE_DYNAMIC_LIB) && !defined (__BUILDING_STLPORT)) || (defined (__SYMBIAN32__) && defined(_STLP_DESIGNATED_DLL))
|
williamr@4
|
448 |
/*
|
williamr@4
|
449 |
* Under cygwin, when STLport is used as a shared library, the id needs
|
williamr@4
|
450 |
* to be specified as imported otherwise they will be duplicated in the
|
williamr@4
|
451 |
* calling executable.
|
williamr@4
|
452 |
*/
|
williamr@4
|
453 |
# if defined(__SYMBIAN32__)
|
williamr@4
|
454 |
template <>
|
williamr@4
|
455 |
locale::id num_get<char, istreambuf_iterator<char, char_traits<char> > >::id; //data should not exported in symbian
|
williamr@4
|
456 |
/*
|
williamr@4
|
457 |
template <>
|
williamr@4
|
458 |
_STLP_DECLSPEC locale::id num_get<char, const char*>::id;
|
williamr@4
|
459 |
*/
|
williamr@4
|
460 |
|
williamr@4
|
461 |
# if !defined (STLP_NO_WCHAR_T)
|
williamr@4
|
462 |
template <>
|
williamr@4
|
463 |
locale::id num_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id;
|
williamr@4
|
464 |
/*
|
williamr@4
|
465 |
template <>
|
williamr@4
|
466 |
_STLP_DECLSPEC locale::id num_get<wchar_t, const wchar_t*>::id;
|
williamr@4
|
467 |
*/
|
williamr@4
|
468 |
# endif//STLP_NO_WCHAR_T
|
williamr@4
|
469 |
# else
|
williamr@4
|
470 |
template <>
|
williamr@4
|
471 |
_STLP_DECLSPEC locale::id num_get<char, istreambuf_iterator<char, char_traits<char> > >::id;
|
williamr@4
|
472 |
/*
|
williamr@4
|
473 |
template <>
|
williamr@4
|
474 |
_STLP_DECLSPEC locale::id num_get<char, const char*>::id;
|
williamr@4
|
475 |
*/
|
williamr@4
|
476 |
|
williamr@4
|
477 |
# if !defined (STLP_NO_WCHAR_T)
|
williamr@4
|
478 |
template <>
|
williamr@4
|
479 |
_STLP_DECLSPEC locale::id num_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id;
|
williamr@4
|
480 |
/*
|
williamr@4
|
481 |
template <>
|
williamr@4
|
482 |
_STLP_DECLSPEC locale::id num_get<wchar_t, const wchar_t*>::id;
|
williamr@4
|
483 |
*/
|
williamr@4
|
484 |
# endif
|
williamr@4
|
485 |
# endif//__SYMBIAN32__
|
williamr@4
|
486 |
|
williamr@4
|
487 |
# endif /* __CYGWIN__ && _STLP_USE_DYNAMIC_LIB */
|
williamr@4
|
488 |
#endif //__SYMBIAN32__WSD__
|
williamr@4
|
489 |
|
williamr@4
|
490 |
#else /* ( _STLP_STATIC_TEMPLATE_DATA > 0 ) */
|
williamr@4
|
491 |
|
williamr@4
|
492 |
//typedef num_get<char, const char*> num_get_char;
|
williamr@2
|
493 |
typedef num_get<char, istreambuf_iterator<char, char_traits<char> > > num_get_char_2;
|
williamr@2
|
494 |
|
williamr@4
|
495 |
//__DECLARE_INSTANCE(locale::id, num_get_char::id, );
|
williamr@2
|
496 |
__DECLARE_INSTANCE(locale::id, num_get_char_2::id, );
|
williamr@2
|
497 |
|
williamr@4
|
498 |
# if !defined (_STLP_NO_WCHAR_T)
|
williamr@2
|
499 |
|
williamr@4
|
500 |
//typedef num_get<wchar_t, const wchar_t*> num_get_wchar_t;
|
williamr@2
|
501 |
typedef num_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > > num_get_wchar_t_2;
|
williamr@2
|
502 |
|
williamr@4
|
503 |
//__DECLARE_INSTANCE(locale::id, num_get_wchar_t::id, );
|
williamr@2
|
504 |
__DECLARE_INSTANCE(locale::id, num_get_wchar_t_2::id, );
|
williamr@2
|
505 |
|
williamr@4
|
506 |
# endif
|
williamr@2
|
507 |
|
williamr@4
|
508 |
#endif /* ( _STLP_STATIC_TEMPLATE_DATA > 0 ) */
|
williamr@2
|
509 |
|
williamr@4
|
510 |
#if !defined (_STLP_NO_BOOL)
|
williamr@2
|
511 |
template <class _CharT, class _InputIter>
|
williamr@2
|
512 |
_InputIter
|
williamr@4
|
513 |
num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end,
|
williamr@2
|
514 |
ios_base& __s,
|
williamr@4
|
515 |
ios_base::iostate& __err, bool& __x) const {
|
williamr@2
|
516 |
if (__s.flags() & ios_base::boolalpha) {
|
williamr@2
|
517 |
locale __loc = __s.getloc();
|
williamr@4
|
518 |
const _Numpunct& __np = *__STATIC_CAST(const _Numpunct*, __s._M_numpunct_facet());
|
williamr@4
|
519 |
// const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc) ;
|
williamr@2
|
520 |
// const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc) ;
|
williamr@2
|
521 |
|
williamr@2
|
522 |
const basic_string<_CharT> __truename = __np.truename();
|
williamr@2
|
523 |
const basic_string<_CharT> __falsename = __np.falsename();
|
williamr@2
|
524 |
bool __true_ok = true;
|
williamr@2
|
525 |
bool __false_ok = true;
|
williamr@2
|
526 |
|
williamr@2
|
527 |
size_t __n = 0;
|
williamr@4
|
528 |
for ( ; __in_ite != __end; ++__in_ite) {
|
williamr@4
|
529 |
_CharT __c = *__in_ite;
|
williamr@2
|
530 |
__true_ok = __true_ok && (__c == __truename[__n]);
|
williamr@2
|
531 |
__false_ok = __false_ok && (__c == __falsename[__n]);
|
williamr@2
|
532 |
++__n;
|
williamr@2
|
533 |
|
williamr@2
|
534 |
if ((!__true_ok && !__false_ok) ||
|
williamr@2
|
535 |
(__true_ok && __n >= __truename.size()) ||
|
williamr@2
|
536 |
(__false_ok && __n >= __falsename.size())) {
|
williamr@4
|
537 |
++__in_ite;
|
williamr@2
|
538 |
break;
|
williamr@2
|
539 |
}
|
williamr@2
|
540 |
}
|
williamr@4
|
541 |
if (__true_ok && __n < __truename.size()) __true_ok = false;
|
williamr@4
|
542 |
if (__false_ok && __n < __falsename.size()) __false_ok = false;
|
williamr@2
|
543 |
|
williamr@2
|
544 |
if (__true_ok || __false_ok) {
|
williamr@2
|
545 |
__err = ios_base::goodbit;
|
williamr@2
|
546 |
__x = __true_ok;
|
williamr@2
|
547 |
}
|
williamr@2
|
548 |
else
|
williamr@2
|
549 |
__err = ios_base::failbit;
|
williamr@2
|
550 |
|
williamr@4
|
551 |
if (__in_ite == __end)
|
williamr@2
|
552 |
__err |= ios_base::eofbit;
|
williamr@2
|
553 |
|
williamr@4
|
554 |
return __in_ite;
|
williamr@2
|
555 |
}
|
williamr@2
|
556 |
|
williamr@2
|
557 |
else {
|
williamr@2
|
558 |
long __lx;
|
williamr@4
|
559 |
_InputIter __tmp = this->do_get(__in_ite, __end, __s, __err, __lx);
|
williamr@2
|
560 |
if (!(__err & ios_base::failbit)) {
|
williamr@2
|
561 |
if (__lx == 0)
|
williamr@2
|
562 |
__x = false;
|
williamr@2
|
563 |
else if (__lx == 1)
|
williamr@2
|
564 |
__x = true;
|
williamr@2
|
565 |
else
|
williamr@2
|
566 |
__err |= ios_base::failbit;
|
williamr@2
|
567 |
}
|
williamr@2
|
568 |
return __tmp;
|
williamr@2
|
569 |
}
|
williamr@2
|
570 |
}
|
williamr@2
|
571 |
|
williamr@4
|
572 |
#endif /* _STLP_NO_BOOL */
|
williamr@2
|
573 |
|
williamr@4
|
574 |
#if defined (_STLP_FIX_LIBRARY_ISSUES)
|
williamr@2
|
575 |
template <class _CharT, class _InputIter>
|
williamr@2
|
576 |
_InputIter
|
williamr@4
|
577 |
num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
|
williamr@4
|
578 |
ios_base::iostate& __err, short& __val) const
|
williamr@4
|
579 |
{ return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
|
williamr@4
|
580 |
|
williamr@4
|
581 |
template <class _CharT, class _InputIter>
|
williamr@4
|
582 |
_InputIter
|
williamr@4
|
583 |
num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
|
williamr@4
|
584 |
ios_base::iostate& __err, int& __val) const
|
williamr@4
|
585 |
{ return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
|
williamr@4
|
586 |
|
williamr@4
|
587 |
#endif
|
williamr@4
|
588 |
|
williamr@4
|
589 |
template <class _CharT, class _InputIter>
|
williamr@4
|
590 |
_InputIter
|
williamr@4
|
591 |
num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
|
williamr@4
|
592 |
ios_base::iostate& __err, long& __val) const
|
williamr@4
|
593 |
{ return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
|
williamr@4
|
594 |
|
williamr@4
|
595 |
template <class _CharT, class _InputIter>
|
williamr@4
|
596 |
_InputIter
|
williamr@4
|
597 |
num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
|
williamr@4
|
598 |
ios_base::iostate& __err,
|
williamr@4
|
599 |
unsigned short& __val) const
|
williamr@4
|
600 |
{ return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
|
williamr@4
|
601 |
|
williamr@4
|
602 |
template <class _CharT, class _InputIter>
|
williamr@4
|
603 |
_InputIter
|
williamr@4
|
604 |
num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
|
williamr@4
|
605 |
ios_base::iostate& __err,
|
williamr@4
|
606 |
unsigned int& __val) const
|
williamr@4
|
607 |
{ return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
|
williamr@4
|
608 |
|
williamr@4
|
609 |
template <class _CharT, class _InputIter>
|
williamr@4
|
610 |
_InputIter
|
williamr@4
|
611 |
num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
|
williamr@4
|
612 |
ios_base::iostate& __err,
|
williamr@4
|
613 |
unsigned long& __val) const
|
williamr@4
|
614 |
{ return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
|
williamr@4
|
615 |
|
williamr@4
|
616 |
|
williamr@4
|
617 |
template <class _CharT, class _InputIter>
|
williamr@4
|
618 |
_InputIter
|
williamr@4
|
619 |
num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
|
williamr@4
|
620 |
ios_base::iostate& __err,
|
williamr@4
|
621 |
float& __val) const {
|
williamr@4
|
622 |
_STLP_PRIV __iostring __buf ;
|
williamr@4
|
623 |
bool __ok = _STLP_PRIV __read_float(__buf, __in_ite, __end, __str, (_CharT*)0 );
|
williamr@4
|
624 |
_STLP_PRIV __string_to_float(__buf, __val);
|
williamr@4
|
625 |
__err = __STATIC_CAST(ios_base::iostate, __ok ? ios_base::goodbit : ios_base::failbit);
|
williamr@4
|
626 |
if (__in_ite == __end)
|
williamr@4
|
627 |
__err |= ios_base::eofbit;
|
williamr@4
|
628 |
return __in_ite;
|
williamr@2
|
629 |
}
|
williamr@2
|
630 |
|
williamr@2
|
631 |
template <class _CharT, class _InputIter>
|
williamr@2
|
632 |
_InputIter
|
williamr@4
|
633 |
num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
|
williamr@4
|
634 |
ios_base::iostate& __err,
|
williamr@4
|
635 |
double& __val) const {
|
williamr@4
|
636 |
_STLP_PRIV __iostring __buf ;
|
williamr@4
|
637 |
bool __ok = _STLP_PRIV __read_float(__buf, __in_ite, __end, __str, (_CharT*)0 );
|
williamr@4
|
638 |
#ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT
|
williamr@4
|
639 |
if(__ok)
|
williamr@4
|
640 |
{
|
williamr@4
|
641 |
#endif
|
williamr@4
|
642 |
_STLP_PRIV __string_to_float(__buf, __val);
|
williamr@4
|
643 |
#ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT
|
williamr@4
|
644 |
}
|
williamr@4
|
645 |
#endif
|
williamr@4
|
646 |
__err = __STATIC_CAST(ios_base::iostate, __ok ? ios_base::goodbit : ios_base::failbit);
|
williamr@4
|
647 |
if (__in_ite == __end)
|
williamr@4
|
648 |
__err |= ios_base::eofbit;
|
williamr@4
|
649 |
return __in_ite;
|
williamr@2
|
650 |
}
|
williamr@2
|
651 |
|
williamr@4
|
652 |
#if !defined (_STLP_NO_LONG_DOUBLE)
|
williamr@2
|
653 |
template <class _CharT, class _InputIter>
|
williamr@2
|
654 |
_InputIter
|
williamr@4
|
655 |
num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
|
williamr@2
|
656 |
ios_base::iostate& __err,
|
williamr@4
|
657 |
long double& __val) const {
|
williamr@4
|
658 |
_STLP_PRIV __iostring __buf ;
|
williamr@4
|
659 |
bool __ok = _STLP_PRIV __read_float(__buf, __in_ite, __end, __str, (_CharT*)0 );
|
williamr@4
|
660 |
_STLP_PRIV __string_to_float(__buf, __val);
|
williamr@2
|
661 |
__err = __STATIC_CAST(ios_base::iostate, __ok ? ios_base::goodbit : ios_base::failbit);
|
williamr@4
|
662 |
if (__in_ite == __end)
|
williamr@2
|
663 |
__err |= ios_base::eofbit;
|
williamr@4
|
664 |
return __in_ite;
|
williamr@2
|
665 |
}
|
williamr@2
|
666 |
#endif /* _STLP_NO_LONG_DOUBLE */
|
williamr@2
|
667 |
|
williamr@2
|
668 |
template <class _CharT, class _InputIter>
|
williamr@2
|
669 |
_InputIter
|
williamr@4
|
670 |
num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
|
williamr@2
|
671 |
ios_base::iostate& __err,
|
williamr@2
|
672 |
void*& __p) const {
|
williamr@4
|
673 |
#if defined (_STLP_LONG_LONG) && !defined (__MRC__) //*ty 12/07/2001 - MrCpp can not cast from long long to void*
|
williamr@4
|
674 |
unsigned _STLP_LONG_LONG __val;
|
williamr@2
|
675 |
#else
|
williamr@2
|
676 |
unsigned long __val;
|
williamr@4
|
677 |
#endif
|
williamr@4
|
678 |
iter_type __tmp = _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 );
|
williamr@2
|
679 |
if (!(__err & ios_base::failbit))
|
williamr@4
|
680 |
__p = __REINTERPRET_CAST(void*,__val);
|
williamr@2
|
681 |
return __tmp;
|
williamr@2
|
682 |
}
|
williamr@2
|
683 |
|
williamr@4
|
684 |
#if defined (_STLP_LONG_LONG)
|
williamr@2
|
685 |
template <class _CharT, class _InputIter>
|
williamr@2
|
686 |
_InputIter
|
williamr@4
|
687 |
num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
|
williamr@2
|
688 |
ios_base::iostate& __err,
|
williamr@2
|
689 |
_STLP_LONG_LONG& __val) const {
|
williamr@4
|
690 |
return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 );
|
williamr@2
|
691 |
}
|
williamr@2
|
692 |
|
williamr@2
|
693 |
template <class _CharT, class _InputIter>
|
williamr@2
|
694 |
_InputIter
|
williamr@4
|
695 |
num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
|
williamr@2
|
696 |
ios_base::iostate& __err,
|
williamr@2
|
697 |
unsigned _STLP_LONG_LONG& __val) const {
|
williamr@4
|
698 |
return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 );
|
williamr@2
|
699 |
}
|
williamr@2
|
700 |
#endif /* _STLP_LONG_LONG */
|
williamr@2
|
701 |
|
williamr@2
|
702 |
_STLP_END_NAMESPACE
|
williamr@2
|
703 |
|
williamr@2
|
704 |
#endif /* _STLP_NUMERIC_FACETS_C */
|
williamr@2
|
705 |
|
williamr@2
|
706 |
// Local Variables:
|
williamr@2
|
707 |
// mode:C++
|
williamr@2
|
708 |
// End:
|