--- /dev/null
+/*
+ * Copyright (c) 1999
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Copyright (c) 1999
+ * Boris Fomitchev
+ *
+ * This material is provided "as is", with absolutely no warranty expressed
+ * or implied. Any use is at your own risk.
+ *
+ * Permission to use or copy this software for any purpose is hereby granted
+ * without fee, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ *
+ */
+#ifndef _STLP_NUM_GET_C
+#define _STLP_NUM_GET_C
+
+#ifndef _STLP_INTERNAL_NUM_GET_H
+# include <stl/_num_get.h>
+#endif
+
+#ifndef _STLP_INTERNAL_LIMITS
+# include <stl/_limits.h>
+#endif
+
+_STLP_BEGIN_NAMESPACE
+
+_STLP_MOVE_TO_PRIV_NAMESPACE
+
+_STLP_DECLSPEC unsigned char _STLP_CALL __digit_val_table(unsigned);
+_STLP_DECLSPEC const char* _STLP_CALL __narrow_atoms();
+
+// __do_get_integer, __do_get_float and its helper functions.
+
+inline bool _STLP_CALL __get_fdigit(char __c, const char*)
+{ return __c >= '0' && __c <= '9'; }
+
+inline bool _STLP_CALL __get_fdigit_or_sep(char& __c, char __sep, const char *__digits) {
+ if (__c == __sep) {
+ __c = ',' ;
+ return true ;
+ }
+ else
+ return __get_fdigit(__c, __digits);
+}
+
+inline int _STLP_CALL
+__get_digit_from_table(unsigned __index)
+{ return (__index > 127 ? 0xFF : __digit_val_table(__index)); }
+
+template <class _InputIter, class _CharT>
+int
+__get_base_or_zero(_InputIter& __in_ite, _InputIter& __end,
+ ios_base::fmtflags __flags, const ctype<_CharT>& __c_type) {
+ _CharT __atoms[5];
+ __c_type.widen(__narrow_atoms(), __narrow_atoms() + 5, __atoms);
+
+ bool __negative = false;
+ _CharT __c = *__in_ite;
+
+ if (__c == __atoms[1] /* __xminus_char */ ) {
+ __negative = true;
+ ++__in_ite;
+ }
+ else if (__c == __atoms[0] /* __xplus_char */ )
+ ++__in_ite;
+
+ int __base;
+ int __valid_zero = 0;
+
+ ios_base::fmtflags __basefield = __flags & ios_base::basefield;
+
+ switch (__basefield) {
+ case ios_base::oct:
+ __base = 8;
+ break;
+ case ios_base::dec:
+ __base = 10;
+ break;
+ case ios_base::hex:
+ __base = 16;
+ if (__in_ite != __end && *__in_ite == __atoms[2] /* __zero_char */ ) {
+ ++__in_ite;
+ if (__in_ite != __end &&
+ (*__in_ite == __atoms[3] /* __x_char */ || *__in_ite == __atoms[4] /* __X_char */ ))
+ ++__in_ite;
+ else
+ __valid_zero = 1; // That zero is valid by itself.
+ }
+ break;
+ default:
+ if (__in_ite != __end && *__in_ite == __atoms[2] /* __zero_char */ ) {
+ ++__in_ite;
+ if (__in_ite != __end &&
+ (*__in_ite == __atoms[3] /* __x_char */ || *__in_ite == __atoms[4] /* __X_char */ )) {
+ ++__in_ite;
+ __base = 16;
+ }
+ else
+ {
+ __base = 8;
+ __valid_zero = 1; // That zero is still valid by itself.
+ }
+ }
+ else
+ __base = 10;
+ break;
+ }
+ return (__base << 2) | ((int)__negative << 1) | __valid_zero;
+}
+
+
+template <class _InputIter, class _Integer, class _CharT>
+bool _STLP_CALL
+__get_integer(_InputIter& __first, _InputIter& __last,
+ int __base, _Integer& __val,
+ int __got, bool __is_negative, _CharT __separator, const string& __grouping, const __true_type& /*_IsSigned*/) {
+ bool __ovflow = false;
+ _Integer __result = 0;
+ bool __is_group = !__grouping.empty();
+ char __group_sizes[64];
+ char __current_group_size = 0;
+ char* __group_sizes_end = __group_sizes;
+
+ _Integer __over_base = (numeric_limits<_Integer>::min)() / __STATIC_CAST(_Integer, __base);
+
+ for ( ; __first != __last ; ++__first) {
+
+ const _CharT __c = *__first;
+
+ if (__is_group && __c == __separator) {
+ *__group_sizes_end++ = __current_group_size;
+ __current_group_size = 0;
+ continue;
+ }
+
+ int __n = __get_digit_from_table(__c);
+
+ if (__n >= __base)
+ break;
+
+ ++__got;
+ ++__current_group_size;
+
+ if (__result < __over_base)
+ __ovflow = true; // don't need to keep accumulating
+ else {
+ _Integer __next = __STATIC_CAST(_Integer, __base * __result - __n);
+ if (__result != 0)
+ __ovflow = __ovflow || __next >= __result;
+ __result = __next;
+ }
+ }
+
+ if (__is_group && __group_sizes_end != __group_sizes) {
+ *__group_sizes_end++ = __current_group_size;
+ }
+
+ // fbp : added to not modify value if nothing was read
+ if (__got > 0) {
+ __val = __ovflow ? __is_negative ? (numeric_limits<_Integer>::min)()
+ : (numeric_limits<_Integer>::max)()
+ : __is_negative ? __result
+ : __STATIC_CAST(_Integer, -__result);
+ }
+ // overflow is being treated as failure
+ return ((__got > 0) && !__ovflow) &&
+ (__is_group == 0 ||
+ __valid_grouping(__group_sizes, __group_sizes_end,
+ __grouping.data(), __grouping.data()+ __grouping.size()));
+}
+
+template <class _InputIter, class _Integer, class _CharT>
+bool _STLP_CALL
+__get_integer(_InputIter& __first, _InputIter& __last,
+ int __base, _Integer& __val,
+ int __got, bool __is_negative, _CharT __separator, const string& __grouping, const __false_type& /*_IsSigned*/) {
+ bool __ovflow = false;
+ _Integer __result = 0;
+ bool __is_group = !__grouping.empty();
+ char __group_sizes[64];
+ char __current_group_size = 0;
+ char* __group_sizes_end = __group_sizes;
+
+ _Integer __over_base = (numeric_limits<_Integer>::max)() / __STATIC_CAST(_Integer, __base);
+
+ for ( ; __first != __last ; ++__first) {
+
+ const _CharT __c = *__first;
+
+ if (__is_group && __c == __separator) {
+ *__group_sizes_end++ = __current_group_size;
+ __current_group_size = 0;
+ continue;
+ }
+
+ int __n = __get_digit_from_table(__c);
+
+ if (__n >= __base)
+ break;
+
+ ++__got;
+ ++__current_group_size;
+
+ if (__result > __over_base)
+ __ovflow = true; //don't need to keep accumulating
+ else {
+ _Integer __next = __STATIC_CAST(_Integer, __base * __result + __n);
+ if (__result != 0)
+ __ovflow = __ovflow || __next <= __result;
+ __result = __next;
+ }
+ }
+
+ if (__is_group && __group_sizes_end != __group_sizes) {
+ *__group_sizes_end++ = __current_group_size;
+ }
+
+ // fbp : added to not modify value if nothing was read
+ if (__got > 0) {
+ __val = __ovflow ? (numeric_limits<_Integer>::max)()
+ : (__is_negative ? __STATIC_CAST(_Integer, -__result)
+ : __result);
+ }
+
+ // overflow is being treated as failure
+ return ((__got > 0) && !__ovflow) &&
+ (__is_group == 0 ||
+ __valid_grouping(__group_sizes, __group_sizes_end,
+ __grouping.data(), __grouping.data()+ __grouping.size()));
+}
+
+
+template <class _InputIter, class _Integer, class _CharT>
+bool _STLP_CALL
+__get_decimal_integer(_InputIter& __first, _InputIter& __last, _Integer& __val, _CharT* /*dummy*/) {
+ string __grp;
+ //Here there is no grouping so separator is not important, we just pass the default character.
+ return __get_integer(__first, __last, 10, __val, 0, false, _CharT() /*separator*/, __grp, __false_type());
+}
+
+template <class _InputIter, class _Integer, class _CharT>
+_InputIter _STLP_CALL
+__do_get_integer(_InputIter& __in_ite, _InputIter& __end, ios_base& __str,
+ ios_base::iostate& __err, _Integer& __val, _CharT* /*__pc*/) {
+ locale __loc = __str.getloc();
+ const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
+
+#if defined (__HP_aCC) && (__HP_aCC == 1)
+ bool _IsSigned = !((_Integer)(-1) > 0);
+#else
+ typedef typename __bool2type<numeric_limits<_Integer>::is_signed>::_Ret _IsSigned;
+#endif
+
+ const int __base_or_zero = __get_base_or_zero(__in_ite, __end, __str.flags(), __ctype);
+ int __got = __base_or_zero & 1;
+
+ bool __result;
+
+ if (__in_ite == __end) { // We may have already read a 0. If so,
+
+ if (__got > 0) { // the result is 0 even if we're at eof.
+ __val = 0;
+ __result = true;
+ }
+ else
+ __result = false;
+ }
+ else {
+ const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
+ const bool __negative = (__base_or_zero & 2) != 0;
+ const int __base = __base_or_zero >> 2;
+
+#if defined (__HP_aCC) && (__HP_aCC == 1)
+ if (_IsSigned)
+ __result = __get_integer(__in_ite, __end, __base, __val, __got, __negative, __np.thousands_sep(), __np.grouping(), __true_type() );
+ else
+ __result = __get_integer(__in_ite, __end, __base, __val, __got, __negative, __np.thousands_sep(), __np.grouping(), __false_type() );
+#else
+ __result = __get_integer(__in_ite, __end, __base, __val, __got, __negative, __np.thousands_sep(), __np.grouping(), _IsSigned());
+# endif
+ }
+
+ __err = __STATIC_CAST(ios_base::iostate, __result ? ios_base::goodbit : ios_base::failbit);
+
+ if (__in_ite == __end)
+ __err |= ios_base::eofbit;
+ return __in_ite;
+}
+
+// __read_float and its helper functions.
+template <class _InputIter, class _CharT>
+_InputIter _STLP_CALL
+__copy_sign(_InputIter __first, _InputIter __last, __iostring& __v,
+ _CharT __xplus, _CharT __xminus) {
+ if (__first != __last) {
+ _CharT __c = *__first;
+ if (__c == __xplus)
+ ++__first;
+ else if (__c == __xminus) {
+ __v.push_back('-');
+ ++__first;
+ }
+ }
+ return __first;
+}
+
+
+template <class _InputIter, class _CharT>
+bool _STLP_CALL
+__copy_digits(_InputIter& __first, _InputIter __last,
+ __iostring& __v, const _CharT* __digits) {
+ bool __ok = false;
+
+ for ( ; __first != __last; ++__first) {
+ _CharT __c = *__first;
+ if (__get_fdigit(__c, __digits)) {
+ __v.push_back((char)__c);
+ __ok = true;
+ }
+ else
+ break;
+ }
+ return __ok;
+}
+
+template <class _InputIter, class _CharT>
+bool _STLP_CALL
+__copy_grouped_digits(_InputIter& __first, _InputIter __last,
+ __iostring& __v, const _CharT * __digits,
+ _CharT __sep, const string& __grouping,
+ bool& __grouping_ok) {
+ bool __ok = false;
+ char __group_sizes[64];
+ char*__group_sizes_end = __group_sizes;
+ char __current_group_size = 0;
+
+ for ( ; __first != __last; ++__first) {
+ _CharT __c = *__first;
+ bool __tmp = __get_fdigit_or_sep(__c, __sep, __digits);
+ if (__tmp) {
+ if (__c == ',') {
+ *__group_sizes_end++ = __current_group_size;
+ __current_group_size = 0;
+ }
+ else {
+ __ok = true;
+ __v.push_back((char)__c);
+ ++__current_group_size;
+ }
+ }
+ else
+ break;
+ }
+
+ if (__group_sizes_end != __group_sizes)
+ *__group_sizes_end++ = __current_group_size;
+ __grouping_ok = __valid_grouping(__group_sizes, __group_sizes_end, __grouping.data(), __grouping.data() + __grouping.size());
+ return __ok;
+}
+
+
+template <class _InputIter, class _CharT>
+bool _STLP_CALL
+__read_float(__iostring& __buf, _InputIter& __in_ite, _InputIter& __end,
+ const ctype<_CharT> &__ct, const numpunct<_CharT> &__numpunct) {
+ // Create a string, copying characters of the form
+ // [+-]? [0-9]* .? [0-9]* ([eE] [+-]? [0-9]+)?
+
+ string __grouping = __numpunct.grouping();
+ bool __digits_before_dot /* = false */;
+ bool __digits_after_dot = false;
+ bool __ok;
+
+ bool __grouping_ok = true;
+
+ _CharT __dot = __numpunct.decimal_point();
+ _CharT __sep = __numpunct.thousands_sep();
+
+ _CharT __digits[10];
+ _CharT __xplus;
+ _CharT __xminus;
+
+ _CharT __pow_e;
+ _CharT __pow_E;
+
+ _Initialize_get_float(__ct, __xplus, __xminus, __pow_e, __pow_E, __digits);
+
+ // Get an optional sign
+ __in_ite = __copy_sign(__in_ite, __end, __buf, __xplus, __xminus);
+
+ // Get an optional string of digits.
+ if (!__grouping.empty())
+ __digits_before_dot = __copy_grouped_digits(__in_ite, __end, __buf, __digits,
+ __sep, __grouping, __grouping_ok);
+ else
+ __digits_before_dot = __copy_digits(__in_ite, __end, __buf, __digits);
+
+ // Get an optional decimal point, and an optional string of digits.
+ if (__in_ite != __end && *__in_ite == __dot) {
+ __buf.push_back('.');
+ ++__in_ite;
+ __digits_after_dot = __copy_digits(__in_ite, __end, __buf, __digits);
+ }
+
+ // There have to be some digits, somewhere.
+ __ok = __digits_before_dot || __digits_after_dot;
+
+ // Get an optional exponent.
+ if (__ok && __in_ite != __end && (*__in_ite == __pow_e || *__in_ite == __pow_E)) {
+ __buf.push_back('e');
+ ++__in_ite;
+ __in_ite = __copy_sign(__in_ite, __end, __buf, __xplus, __xminus);
+ __ok = __copy_digits(__in_ite, __end, __buf, __digits);
+ // If we have an exponent then the sign
+ // is optional but the digits aren't.
+ }
+
+ return __ok;
+}
+
+template <class _InputIter, class _Float, class _CharT>
+_InputIter _STLP_CALL
+__do_get_float(_InputIter& __in_ite, _InputIter& __end, ios_base& __str,
+ ios_base::iostate& __err, _Float& __val, _CharT* /*__pc*/) {
+ locale __loc = __str.getloc();
+ const ctype<_CharT> &__ctype = use_facet<ctype<_CharT> >(__loc);
+ const numpunct<_CharT> &__numpunct = use_facet<numpunct<_CharT> >(__loc);
+
+ __iostring __buf ;
+ bool __ok = __read_float(__buf, __in_ite, __end, __ctype, __numpunct);
+ if (__ok) {
+ __string_to_float(__buf, __val);
+ __err = ios_base::goodbit;
+ }
+ else {
+ __err = ios_base::failbit;
+ }
+ if (__in_ite == __end)
+ __err |= ios_base::eofbit;
+ return __in_ite;
+}
+
+template <class _InputIter, class _CharT>
+_InputIter _STLP_CALL
+__do_get_alphabool(_InputIter& __in_ite, _InputIter& __end, ios_base& __str,
+ ios_base::iostate& __err, bool& __x, _CharT* /*__pc*/) {
+ const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__str.getloc());
+ const basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> > __truename = __np.truename();
+ const basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> > __falsename = __np.falsename();
+ bool __true_ok = true;
+ bool __false_ok = true;
+
+ size_t __n = 0;
+ for ( ; __in_ite != __end; ++__in_ite) {
+ _CharT __c = *__in_ite;
+ __true_ok = __true_ok && (__c == __truename[__n]);
+ __false_ok = __false_ok && (__c == __falsename[__n]);
+ ++__n;
+
+ if ((!__true_ok && !__false_ok) ||
+ (__true_ok && __n >= __truename.size()) ||
+ (__false_ok && __n >= __falsename.size())) {
+ ++__in_ite;
+ break;
+ }
+ }
+ if (__true_ok && __n < __truename.size()) __true_ok = false;
+ if (__false_ok && __n < __falsename.size()) __false_ok = false;
+
+ if (__true_ok || __false_ok) {
+ __err = ios_base::goodbit;
+ __x = __true_ok;
+ }
+ else
+ __err = ios_base::failbit;
+
+ if (__in_ite == __end)
+ __err |= ios_base::eofbit;
+
+ return __in_ite;
+}
+
+_STLP_MOVE_TO_STD_NAMESPACE
+
+//
+// num_get<>, num_put<>
+//
+
+template <class _CharT, class _InputIterator>
+locale::id num_get<_CharT, _InputIterator>::id;
+
+#if !defined (_STLP_NO_BOOL)
+template <class _CharT, class _InputIter>
+_InputIter
+num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end,
+ ios_base& __s, ios_base::iostate& __err, bool& __x) const {
+ if (__s.flags() & ios_base::boolalpha) {
+ return _STLP_PRIV __do_get_alphabool(__in_ite, __end, __s, __err, __x, (_CharT*)0);
+ }
+ else {
+ long __lx;
+ _InputIter __tmp = _STLP_PRIV __do_get_integer(__in_ite, __end, __s, __err, __lx, (_CharT*)0 );
+ if (!(__err & ios_base::failbit)) {
+ if (__lx == 0)
+ __x = false;
+ else if (__lx == 1)
+ __x = true;
+ else
+ __err |= ios_base::failbit;
+ }
+ return __tmp;
+ }
+}
+#endif
+
+#if defined (_STLP_FIX_LIBRARY_ISSUES)
+template <class _CharT, class _InputIter>
+_InputIter
+num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
+ ios_base::iostate& __err, short& __val) const
+{ return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
+
+template <class _CharT, class _InputIter>
+_InputIter
+num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
+ ios_base::iostate& __err, int& __val) const
+{ return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
+
+#endif
+
+template <class _CharT, class _InputIter>
+_InputIter
+num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
+ ios_base::iostate& __err, long& __val) const
+{ return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
+
+template <class _CharT, class _InputIter>
+_InputIter
+num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
+ ios_base::iostate& __err,
+ unsigned short& __val) const
+{ return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
+
+template <class _CharT, class _InputIter>
+_InputIter
+num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
+ ios_base::iostate& __err,
+ unsigned int& __val) const
+{ return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
+
+template <class _CharT, class _InputIter>
+_InputIter
+num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
+ ios_base::iostate& __err,
+ unsigned long& __val) const
+{ return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
+
+template <class _CharT, class _InputIter>
+_InputIter
+num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
+ ios_base::iostate& __err,
+ float& __val) const
+{ return _STLP_PRIV __do_get_float(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
+
+template <class _CharT, class _InputIter>
+_InputIter
+num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
+ ios_base::iostate& __err,
+ double& __val) const
+{ return _STLP_PRIV __do_get_float(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
+
+#if !defined (_STLP_NO_LONG_DOUBLE)
+template <class _CharT, class _InputIter>
+_InputIter
+num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
+ ios_base::iostate& __err,
+ long double& __val) const
+{ return _STLP_PRIV __do_get_float(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
+#endif
+
+template <class _CharT, class _InputIter>
+_InputIter
+num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
+ ios_base::iostate& __err,
+ void*& __p) const {
+#if defined (_STLP_LONG_LONG) && !defined (__MRC__) //*ty 12/07/2001 - MrCpp can not cast from long long to void*
+ unsigned _STLP_LONG_LONG __val;
+#else
+ unsigned long __val;
+#endif
+ iter_type __tmp = _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 );
+ if (!(__err & ios_base::failbit))
+ __p = __REINTERPRET_CAST(void*, __val);
+ return __tmp;
+}
+
+#if defined (_STLP_LONG_LONG)
+template <class _CharT, class _InputIter>
+_InputIter
+num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
+ ios_base::iostate& __err,
+ _STLP_LONG_LONG& __val) const
+{ return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
+
+template <class _CharT, class _InputIter>
+_InputIter
+num_get<_CharT, _InputIter>::do_get(_InputIter __in_ite, _InputIter __end, ios_base& __str,
+ ios_base::iostate& __err,
+ unsigned _STLP_LONG_LONG& __val) const
+{ return _STLP_PRIV __do_get_integer(__in_ite, __end, __str, __err, __val, (_CharT*)0 ); }
+#endif
+
+_STLP_END_NAMESPACE
+
+#endif /* _STLP_NUMERIC_FACETS_C */
+
+// Local Variables:
+// mode:C++
+// End:
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