// Locale support -*- C++ -*-
-// Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
+// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
-// Warning: this file is not meant for user inclusion. Use <locale>.
+// Warning: this file is not meant for user inclusion. Use <locale>.
#ifndef _CPP_BITS_LOCFACETS_TCC
#define _CPP_BITS_LOCFACETS_TCC 1
-#include <bits/std_cerrno.h>
-#include <bits/std_clocale.h> // For localeconv
-#include <bits/std_cstdlib.h> // For strof, strtold
-#include <bits/std_limits.h> // For numeric_limits
-#include <bits/std_memory.h> // For auto_ptr
-#include <bits/streambuf_iterator.h> // For streambuf_iterators
-#include <bits/std_cctype.h> // For isspace
-#include <typeinfo> // For bad_cast
-#include <bits/std_vector.h>
+#pragma GCC system_header
+
+#include <cerrno>
+#include <clocale> // For localeconv
+#include <cstdlib> // For strof, strtold
+#include <cmath> // For ceil
+#include <cctype> // For isspace
+#include <limits> // For numeric_limits
+#include <typeinfo> // For bad_cast.
+#include <bits/streambuf_iterator.h>
namespace std
{
const basic_string<_CharT, _Traits, _Alloc>& __s2) const
{
typedef std::collate<_CharT> __collate_type;
- const __collate_type* __fcoll = &use_facet<__collate_type>(*this);
- return (__fcoll->compare(__s1.data(), __s1.data() + __s1.length(),
- __s2.data(), __s2.data() + __s2.length()) < 0);
+ const __collate_type& __collate = use_facet<__collate_type>(*this);
+ return (__collate.compare(__s1.data(), __s1.data() + __s1.length(),
+ __s2.data(), __s2.data() + __s2.length()) < 0);
}
template<typename _Facet>
const _Facet&
use_facet(const locale& __loc)
{
- typedef locale::_Impl::__vec_facet __vec_facet;
- size_t __i = _Facet::id._M_index;
- __vec_facet* __facet = __loc._M_impl->_M_facets;
- const locale::facet* __fp = (*__facet)[__i];
- if (__fp == 0 || __i >= __facet->size())
+ size_t __i = _Facet::id._M_id();
+ const locale::facet** __facets = __loc._M_impl->_M_facets;
+ if (!(__i < __loc._M_impl->_M_facets_size && __facets[__i]))
__throw_bad_cast();
- return static_cast<const _Facet&>(*__fp);
+ return static_cast<const _Facet&>(*__facets[__i]);
}
template<typename _Facet>
bool
has_facet(const locale& __loc) throw()
{
- typedef locale::_Impl::__vec_facet __vec_facet;
- size_t __i = _Facet::id._M_index;
- __vec_facet* __facet = __loc._M_impl->_M_facets;
- return (__i < __facet->size() && (*__facet)[__i] != 0);
+ size_t __i = _Facet::id._M_id();
+ const locale::facet** __facets = __loc._M_impl->_M_facets;
+ return (__i < __loc._M_impl->_M_facets_size && __facets[__i]);
}
- // This member function takes an (w)istreambuf_iterator object and
- // parses it into a generic char array suitable for parsing with
- // strto[l,ll,f,d]. The thought was to encapsulate the conversion
- // into this one function, and thus the num_get::do_get member
- // functions can just adjust for the type of the overloaded
- // argument and process the char array returned from _M_extract.
- // Other things were also considered, including a fused
- // multiply-add loop that would obviate the need for any call to
- // strto... at all: however, it would b e a bit of a pain, because
- // you'd have to be able to return either floating or integral
- // types, etc etc. The current approach seems to be smack dab in
- // the middle between an unoptimized approach using sscanf, and
- // some kind of hyper-optimized approach alluded to above.
-
- // XXX
- // Need to do partial specialization to account for differences
- // between character sets. For char, this is pretty
- // straightforward, but for wchar_t, the conversion to a plain-jane
- // char type is a bit more involved.
+ // Stage 1: Determine a conversion specifier.
template<typename _CharT, typename _InIter>
- void
+ _InIter
num_get<_CharT, _InIter>::
- _M_extract(_InIter /*__beg*/, _InIter /*__end*/, ios_base& /*__io*/,
- ios_base::iostate& /*__err*/, char* /*__xtrc*/,
- int& /*__base*/, bool /*__fp*/) const
+ _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,
+ ios_base::iostate& __err, string& __xtrc) const
{
- // XXX Not currently done: need to expand upon char version below.
+ typedef char_traits<_CharT> __traits_type;
+ const locale __loc = __io.getloc();
+ const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
+ const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
+
+ // First check for sign.
+ const char_type __plus = __ctype.widen('+');
+ const char_type __minus = __ctype.widen('-');
+ int __pos = 0;
+ char_type __c = *__beg;
+ if ((__traits_type::eq(__c, __plus) || __traits_type::eq(__c, __minus))
+ && __beg != __end)
+ {
+ __xtrc += __ctype.narrow(__c, char());
+ ++__pos;
+ __c = *(++__beg);
+ }
+
+ // Next, strip leading zeros.
+ const char_type __zero = __ctype.widen(_S_atoms_in[_M_zero]);
+ bool __found_zero = false;
+ while (__traits_type::eq(__c, __zero) && __beg != __end)
+ {
+ __c = *(++__beg);
+ __found_zero = true;
+ }
+ if (__found_zero)
+ {
+ __xtrc += _S_atoms_in[_M_zero];
+ ++__pos;
+ }
+
+ // Only need acceptable digits for floating point numbers.
+ const size_t __len = _M_E - _M_zero + 1;
+ char_type __watoms[__len];
+ __ctype.widen(_S_atoms_in, _S_atoms_in + __len, __watoms);
+ bool __found_dec = false;
+ bool __found_sci = false;
+ const char_type __dec = __np.decimal_point();
+
+ string __found_grouping;
+ const string __grouping = __np.grouping();
+ bool __check_grouping = __grouping.size();
+ int __sep_pos = 0;
+ const char_type __sep = __np.thousands_sep();
+
+ while (__beg != __end)
+ {
+ // Only look in digits.
+ const char_type* __p = __traits_type::find(__watoms, 10, __c);
+
+ // NB: strchr returns true for __c == 0x0
+ if (__p && !__traits_type::eq(__c, char_type()))
+ {
+ // Try first for acceptable digit; record it if found.
+ ++__pos;
+ __xtrc += _S_atoms_in[__p - __watoms];
+ ++__sep_pos;
+ __c = *(++__beg);
+ }
+ else if (__traits_type::eq(__c, __sep)
+ && __check_grouping && !__found_dec)
+ {
+ // NB: Thousands separator at the beginning of a string
+ // is a no-no, as is two consecutive thousands separators.
+ if (__sep_pos)
+ {
+ __found_grouping += static_cast<char>(__sep_pos);
+ __sep_pos = 0;
+ __c = *(++__beg);
+ }
+ else
+ {
+ __err |= ios_base::failbit;
+ break;
+ }
+ }
+ else if (__traits_type::eq(__c, __dec) && !__found_dec)
+ {
+ // According to the standard, if no grouping chars are seen,
+ // no grouping check is applied. Therefore __found_grouping
+ // must be adjusted only if __dec comes after some __sep.
+ if (__found_grouping.size())
+ __found_grouping += static_cast<char>(__sep_pos);
+ ++__pos;
+ __xtrc += '.';
+ __c = *(++__beg);
+ __found_dec = true;
+ }
+ else if ((__traits_type::eq(__c, __watoms[_M_e])
+ || __traits_type::eq(__c, __watoms[_M_E]))
+ && !__found_sci && __pos)
+ {
+ // Scientific notation.
+ ++__pos;
+ __xtrc += __ctype.narrow(__c, char());
+ __c = *(++__beg);
+
+ // Remove optional plus or minus sign, if they exist.
+ if (__traits_type::eq(__c, __plus)
+ || __traits_type::eq(__c, __minus))
+ {
+ ++__pos;
+ __xtrc += __ctype.narrow(__c, char());
+ __c = *(++__beg);
+ }
+ __found_sci = true;
+ }
+ else
+ // Not a valid input item.
+ break;
+ }
+
+ // Digit grouping is checked. If grouping and found_grouping don't
+ // match, then get very very upset, and set failbit.
+ if (__check_grouping && __found_grouping.size())
+ {
+ // Add the ending grouping if a decimal wasn't found.
+ if (!__found_dec)
+ __found_grouping += static_cast<char>(__sep_pos);
+ if (!__verify_grouping(__grouping, __found_grouping))
+ __err |= ios_base::failbit;
+ }
+
+ // Finish up
+ __xtrc += char();
+ if (__beg == __end)
+ __err |= ios_base::eofbit;
+ return __beg;
}
- template<>
- void
- num_get<char, istreambuf_iterator<char> >::
- _M_extract(istreambuf_iterator<char> __beg,
- istreambuf_iterator<char> __end, ios_base& __io,
- ios_base::iostate& __err, char* __xtrc, int& __base,
- bool __fp) const;
+ // Stage 1: Determine a conversion specifier.
+ template<typename _CharT, typename _InIter>
+ _InIter
+ num_get<_CharT, _InIter>::
+ _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
+ ios_base::iostate& __err, string& __xtrc, int& __base) const
+ {
+ typedef char_traits<_CharT> __traits_type;
+ const locale __loc = __io.getloc();
+ const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
+ const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
+
+ // NB: Iff __basefield == 0, this can change based on contents.
+ ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield;
+ if (__basefield == ios_base::oct)
+ __base = 8;
+ else if (__basefield == ios_base::hex)
+ __base = 16;
+ else
+ __base = 10;
+
+ // First check for sign.
+ int __pos = 0;
+ char_type __c = *__beg;
+ const char_type __plus = __ctype.widen('+');
+ const char_type __minus = __ctype.widen('-');
+
+ if ((__traits_type::eq(__c, __plus) || __traits_type::eq(__c, __minus))
+ && __beg != __end)
+ {
+ __xtrc += __ctype.narrow(__c, char());
+ ++__pos;
+ __c = *(++__beg);
+ }
+
+ // Next, strip leading zeros and check required digits for base formats.
+ const char_type __zero = __ctype.widen(_S_atoms_in[_M_zero]);
+ const char_type __x = __ctype.widen('x');
+ const char_type __X = __ctype.widen('X');
+ if (__base == 10)
+ {
+ bool __found_zero = false;
+ while (__traits_type::eq(__c, __zero) && __beg != __end)
+ {
+ __c = *(++__beg);
+ __found_zero = true;
+ }
+ if (__found_zero)
+ {
+ __xtrc += _S_atoms_in[_M_zero];
+ ++__pos;
+ if (__basefield == 0)
+ {
+ if ((__traits_type::eq(__c, __x)
+ || __traits_type::eq(__c, __X))
+ && __beg != __end)
+ {
+ __xtrc += __ctype.narrow(__c, char());
+ ++__pos;
+ __c = *(++__beg);
+ __base = 16;
+ }
+ else
+ __base = 8;
+ }
+ }
+ }
+ else if (__base == 16)
+ {
+ if (__traits_type::eq(__c, __zero) && __beg != __end)
+ {
+ __xtrc += _S_atoms_in[_M_zero];
+ ++__pos;
+ __c = *(++__beg);
+ if ((__traits_type::eq(__c, __x) || __traits_type::eq(__c, __X))
+ && __beg != __end)
+ {
+ __xtrc += __ctype.narrow(__c, char());
+ ++__pos;
+ __c = *(++__beg);
+ }
+ }
+ }
+
+ // At this point, base is determined. If not hex, only allow
+ // base digits as valid input.
+ size_t __len;
+ if (__base == 16)
+ __len = _M_size;
+ else
+ __len = __base;
+
+ // Extract.
+ char_type __watoms[_M_size];
+ __ctype.widen(_S_atoms_in, _S_atoms_in + __len, __watoms);
+ string __found_grouping;
+ const string __grouping = __np.grouping();
+ bool __check_grouping = __grouping.size();
+ int __sep_pos = 0;
+ const char_type __sep = __np.thousands_sep();
+ while (__beg != __end)
+ {
+ const char_type* __p = __traits_type::find(__watoms, __len, __c);
+
+ // NB: strchr returns true for __c == 0x0
+ if (__p && !__traits_type::eq(__c, char_type()))
+ {
+ // Try first for acceptable digit; record it if found.
+ __xtrc += _S_atoms_in[__p - __watoms];
+ ++__pos;
+ ++__sep_pos;
+ __c = *(++__beg);
+ }
+ else if (__traits_type::eq(__c, __sep) && __check_grouping)
+ {
+ // NB: Thousands separator at the beginning of a string
+ // is a no-no, as is two consecutive thousands separators.
+ if (__sep_pos)
+ {
+ __found_grouping += static_cast<char>(__sep_pos);
+ __sep_pos = 0;
+ __c = *(++__beg);
+ }
+ else
+ {
+ __err |= ios_base::failbit;
+ break;
+ }
+ }
+ else
+ // Not a valid input item.
+ break;
+ }
+
+ // Digit grouping is checked. If grouping and found_grouping don't
+ // match, then get very very upset, and set failbit.
+ if (__check_grouping && __found_grouping.size())
+ {
+ // Add the ending grouping.
+ __found_grouping += static_cast<char>(__sep_pos);
+ if (!__verify_grouping(__grouping, __found_grouping))
+ __err |= ios_base::failbit;
+ }
+
+ // Finish up.
+ __xtrc += char();
+ if (__beg == __end)
+ __err |= ios_base::eofbit;
+ return __beg;
+ }
#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
- // NB: This is an unresolved library defect #17
//17. Bad bool parsing
template<typename _CharT, typename _InIter>
_InIter
do_get(iter_type __beg, iter_type __end, ios_base& __io,
ios_base::iostate& __err, bool& __v) const
{
- // Parse bool values as long
+ // Parse bool values as unsigned long
if (!(__io.flags() & ios_base::boolalpha))
{
// NB: We can't just call do_get(long) here, as it might
// refer to a derived class.
-
- // Stage 1: extract and determine the conversion specifier.
- // Assuming leading zeros eliminated, thus the size of 32 for
- // integral types.
- char __xtrc[32] = {'\0'};
+ string __xtrc;
int __base;
- _M_extract(__beg, __end, __io, __err, __xtrc, __base, false);
-
- // Stage 2: convert and store results.
- char* __sanity;
- errno = 0;
- long __l = strtol(__xtrc, &__sanity, __base);
- if (!(__err & ios_base::failbit)
- && __l <= 1
- && __sanity != __xtrc && *__sanity == '\0' && errno == 0)
- __v = __l;
- else
+ __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
+
+ unsigned long __ul;
+ __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
+ if (!(__err & ios_base::failbit) && __ul <= 1)
+ __v = __ul;
+ else
__err |= ios_base::failbit;
}
// Parse bool values as alphanumeric
else
{
- typedef _Format_cache<char_type> __fcache_type;
- __fcache_type* __fmt = __fcache_type::_S_get(__io);
- const char_type* __true = __fmt->_M_truename.c_str();
- const char_type* __false = __fmt->_M_falsename.c_str();
- const size_t __truelen = __traits_type::length(__true) - 1;
- const size_t __falselen = __traits_type::length(__false) - 1;
-
- for (size_t __pos = 0; __beg != __end; ++__pos)
+ typedef char_traits<_CharT> __traits_type;
+ typedef basic_string<_CharT> __string_type;
+
+ locale __loc = __io.getloc();
+ const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
+ const __string_type __true = __np.truename();
+ const __string_type __false = __np.falsename();
+ const char_type* __trues = __true.c_str();
+ const char_type* __falses = __false.c_str();
+ const size_t __truen = __true.size() - 1;
+ const size_t __falsen = __false.size() - 1;
+
+ for (size_t __n = 0; __beg != __end; ++__n)
{
char_type __c = *__beg++;
- bool __testf = __c == __false[__pos];
- bool __testt = __c == __true[__pos];
+ bool __testf = __n <= __falsen
+ ? __traits_type::eq(__c, __falses[__n]) : false;
+ bool __testt = __n <= __truen
+ ? __traits_type::eq(__c, __trues[__n]) : false;
if (!(__testf || __testt))
{
__err |= ios_base::failbit;
break;
}
- else if (__testf && __pos == __falselen)
+ else if (__testf && __n == __falsen)
{
__v = 0;
break;
}
- else if (__testt && __pos == __truelen)
+ else if (__testt && __n == __truen)
{
__v = 1;
break;
if (__beg == __end)
__err |= ios_base::eofbit;
}
-
- return __beg;
- }
-#endif
-
-#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
- //XXX. Which number? Presumably same as in locale_facets.h...
- template<typename _CharT, typename _InIter>
- _InIter
- num_get<_CharT, _InIter>::
- do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, short& __v) const
- {
- // Stage 1: extract and determine the conversion specifier.
- // Assuming leading zeros eliminated, thus the size of 32 for
- // integral types.
- char __xtrc[32]= {'\0'};
- int __base;
- _M_extract(__beg, __end, __io, __err, __xtrc, __base, false);
-
- // Stage 2: convert and store results.
- char* __sanity;
- errno = 0;
- long __l = strtol(__xtrc, &__sanity, __base);
- if (!(__err & ios_base::failbit)
- && __sanity != __xtrc && *__sanity == '\0' && errno == 0
- && __l >= SHRT_MIN && __l <= SHRT_MAX)
- __v = static_cast<short>(__l);
- else
- __err |= ios_base::failbit;
-
- return __beg;
- }
-
- template<typename _CharT, typename _InIter>
- _InIter
- num_get<_CharT, _InIter>::
- do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, int& __v) const
- {
- // Stage 1: extract and determine the conversion specifier.
- // Assuming leading zeros eliminated, thus the size of 32 for
- // integral types.
- char __xtrc[32] = {'\0'};
- int __base;
- _M_extract(__beg, __end, __io, __err, __xtrc, __base, false);
-
- // Stage 2: convert and store results.
- char* __sanity;
- errno = 0;
- long __l = strtol(__xtrc, &__sanity, __base);
- if (!(__err & ios_base::failbit)
- && __sanity != __xtrc && *__sanity == '\0' && errno == 0
- && __l >= INT_MIN && __l <= INT_MAX)
- __v = static_cast<int>(__l);
- else
- __err |= ios_base::failbit;
-
return __beg;
}
#endif
do_get(iter_type __beg, iter_type __end, ios_base& __io,
ios_base::iostate& __err, long& __v) const
{
- // Stage 1: extract and determine the conversion specifier.
- // Assuming leading zeros eliminated, thus the size of 32 for
- // integral types.
- char __xtrc[32]= {'\0'};
+ string __xtrc;
int __base;
- _M_extract(__beg, __end, __io, __err, __xtrc, __base, false);
-
- // Stage 2: convert and store results.
- char* __sanity;
- errno = 0;
- long __l = strtol(__xtrc, &__sanity, __base);
- if (!(__err & ios_base::failbit)
- && __sanity != __xtrc && *__sanity == '\0' && errno == 0)
- __v = __l;
- else
- __err |= ios_base::failbit;
-
+ __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
+ __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
return __beg;
}
-#ifdef _GLIBCPP_USE_LONG_LONG
template<typename _CharT, typename _InIter>
_InIter
num_get<_CharT, _InIter>::
do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, long long& __v) const
+ ios_base::iostate& __err, unsigned short& __v) const
{
- // Stage 1: extract and determine the conversion specifier.
- // Assuming leading zeros eliminated, thus the size of 32 for
- // integral types.
- char __xtrc[32]= {'\0'};
+ string __xtrc;
int __base;
- _M_extract(__beg, __end, __io, __err, __xtrc, __base, false);
-
- // Stage 2: convert and store results.
- char* __sanity;
- errno = 0;
- long long __ll = strtoll(__xtrc, &__sanity, __base);
- if (!(__err & ios_base::failbit)
- && __sanity != __xtrc && *__sanity == '\0' && errno == 0)
- __v = __ll;
- else
- __err |= ios_base::failbit;
-
+ __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
+ unsigned long __ul;
+ __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
+ if (!(__err & ios_base::failbit)
+ && __ul <= numeric_limits<unsigned short>::max())
+ __v = static_cast<unsigned short>(__ul);
+ else
+ __err |= ios_base::failbit;
return __beg;
}
-#endif
template<typename _CharT, typename _InIter>
_InIter
num_get<_CharT, _InIter>::
do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, unsigned short& __v) const
+ ios_base::iostate& __err, unsigned int& __v) const
{
- // Stage 1: extract and determine the conversion specifier.
- // Assuming leading zeros eliminated, thus the size of 32 for
- // integral types.
- char __xtrc[32]= {'\0'};
+ string __xtrc;
int __base;
- _M_extract(__beg, __end, __io, __err, __xtrc, __base, false);
-
- // Stage 2: convert and store results.
- char* __sanity;
- errno = 0;
- unsigned long __ul = strtoul(__xtrc, &__sanity, __base);
- if (!(__err & ios_base::failbit)
- && __sanity != __xtrc && *__sanity == '\0' && errno == 0
- && __ul <= USHRT_MAX)
- __v = static_cast<unsigned short>(__ul);
- else
- __err |= ios_base::failbit;
-
+ __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
+ unsigned long __ul;
+ __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
+ if (!(__err & ios_base::failbit)
+ && __ul <= numeric_limits<unsigned int>::max())
+ __v = static_cast<unsigned int>(__ul);
+ else
+ __err |= ios_base::failbit;
return __beg;
}
_InIter
num_get<_CharT, _InIter>::
do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, unsigned int& __v) const
+ ios_base::iostate& __err, unsigned long& __v) const
{
- // Stage 1: extract and determine the conversion specifier.
- // Assuming leading zeros eliminated, thus the size of 32 for
- // integral types.
- char __xtrc[32]= {'\0'};
+ string __xtrc;
int __base;
- _M_extract(__beg, __end, __io, __err, __xtrc, __base, false);
-
- // Stage 2: convert and store results.
- char* __sanity;
- errno = 0;
- unsigned long __ul = strtoul(__xtrc, &__sanity, __base);
- if (!(__err & ios_base::failbit)
- && __sanity != __xtrc && *__sanity == '\0' && errno == 0
- && __ul <= UINT_MAX)
- __v = static_cast<unsigned int>(__ul);
- else
- __err |= ios_base::failbit;
-
+ __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
+ __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
return __beg;
}
+#ifdef _GLIBCPP_USE_LONG_LONG
template<typename _CharT, typename _InIter>
_InIter
num_get<_CharT, _InIter>::
do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, unsigned long& __v) const
+ ios_base::iostate& __err, long long& __v) const
{
- // Stage 1: extract and determine the conversion specifier.
- // Assuming leading zeros eliminated, thus the size of 32 for
- // integral types.
- char __xtrc[32] = {'\0'};
+ string __xtrc;
int __base;
- _M_extract(__beg, __end, __io, __err, __xtrc, __base, false);
-
- // Stage 2: convert and store results.
- char* __sanity;
- errno = 0;
- unsigned long __ul = strtoul(__xtrc, &__sanity, __base);
- if (!(__err & ios_base::failbit)
- && __sanity != __xtrc && *__sanity == '\0' && errno == 0)
- __v = __ul;
- else
- __err |= ios_base::failbit;
-
+ __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
+ __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
return __beg;
}
-#ifdef _GLIBCPP_USE_LONG_LONG
template<typename _CharT, typename _InIter>
_InIter
num_get<_CharT, _InIter>::
do_get(iter_type __beg, iter_type __end, ios_base& __io,
ios_base::iostate& __err, unsigned long long& __v) const
{
- // Stage 1: extract and determine the conversion specifier.
- // Assuming leading zeros eliminated, thus the size of 32 for
- // integral types.
- char __xtrc[32]= {'\0'};
+ string __xtrc;
int __base;
- _M_extract(__beg, __end, __io, __err, __xtrc, __base, false);
-
- // Stage 2: convert and store results.
- char* __sanity;
- errno = 0;
- unsigned long long __ull = strtoull(__xtrc, &__sanity, __base);
- if (!(__err & ios_base::failbit)
- && __sanity != __xtrc && *__sanity == '\0' && errno == 0)
- __v = __ull;
- else
- __err |= ios_base::failbit;
-
+ __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
+ __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
return __beg;
}
#endif
template<typename _CharT, typename _InIter>
_InIter
num_get<_CharT, _InIter>::
- do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, float& __v) const
+ do_get(iter_type __beg, iter_type __end, ios_base& __io,
+ ios_base::iostate& __err, float& __v) const
{
- // Stage 1: extract and determine the conversion specifier.
- // Assuming leading zeros eliminated, thus the size of 256 for
- // floating-point types.
- char __xtrc[32]= {'\0'};
- int __base;
- _M_extract(__beg, __end, __io, __err, __xtrc, __base, true);
-
- // Stage 2: convert and store results.
- char* __sanity;
- errno = 0;
-#ifdef _GLIBCPP_USE_C99
- float __f = strtof(__xtrc, &__sanity);
-#else
- float __f = static_cast<float>(strtod(__xtrc, &__sanity));
-#endif
- if (!(__err & ios_base::failbit)
- && __sanity != __xtrc && *__sanity == '\0' && errno == 0)
- __v = __f;
- else
- __err |= ios_base::failbit;
-
+ string __xtrc;
+ __xtrc.reserve(32);
+ __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
+ __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale);
return __beg;
}
do_get(iter_type __beg, iter_type __end, ios_base& __io,
ios_base::iostate& __err, double& __v) const
{
- // Stage 1: extract and determine the conversion specifier.
- // Assuming leading zeros eliminated, thus the size of 256 for
- // floating-point types.
- char __xtrc[32]= {'\0'};
- int __base;
- _M_extract(__beg, __end, __io, __err, __xtrc, __base, true);
-
- // Stage 2: convert and store results.
- char* __sanity;
- errno = 0;
- double __d = strtod(__xtrc, &__sanity);
- if (!(__err & ios_base::failbit)
- && __sanity != __xtrc && *__sanity == '\0' && errno == 0)
- __v = __d;
- else
- __err |= ios_base::failbit;
-
+ string __xtrc;
+ __xtrc.reserve(32);
+ __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
+ __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale);
return __beg;
}
do_get(iter_type __beg, iter_type __end, ios_base& __io,
ios_base::iostate& __err, long double& __v) const
{
- // Stage 1: extract and determine the conversion specifier.
- // Assuming leading zeros eliminated, thus the size of 256 for
- // floating-point types.
- char __xtrc[32]= {'\0'};
- int __base;
- _M_extract(__beg, __end, __io, __err, __xtrc, __base, true);
-
-#if defined(_GLIBCPP_USE_C99) && !defined(__hpux)
- // Stage 2: convert and store results.
- char* __sanity;
- errno = 0;
- long double __ld = strtold(__xtrc, &__sanity);
- if (!(__err & ios_base::failbit)
- && __sanity != __xtrc && *__sanity == '\0' && errno == 0)
- __v = __ld;
-#else
- // Stage 2: determine a conversion specifier.
- ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield;
- const char* __conv;
- if (__basefield == ios_base::oct)
- __conv = "%Lo";
- else if (__basefield == ios_base::hex)
- __conv = "%LX";
- else if (__basefield == 0)
- __conv = "%Li";
- else
- __conv = "%Lf";
-
- // Stage 3: store results.
- typedef typename __traits_type::int_type int_type;
- long double __ld;
- int __p = sscanf(__xtrc, __conv, &__ld);
- if (!(__err & ios_base::failbit) && __p
- && static_cast<int_type>(__p) != __traits_type::eof())
- __v = __ld;
-#endif
- else
- __err |= ios_base::failbit;
-
+ string __xtrc;
+ __xtrc.reserve(32);
+ __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
+ __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale);
return __beg;
}
| ios_base::uppercase | ios_base::internal);
__io.flags(__fmt & __fmtmask | (ios_base::hex | ios_base::showbase));
- // Stage 1: extract and determine the conversion specifier.
- // Assuming leading zeros eliminated, thus the size of 32 for
- // integral types.
- char __xtrc[32]= {'\0'};
+ string __xtrc;
int __base;
- _M_extract(__beg, __end, __io, __err, __xtrc, __base, false);
-
- // Stage 2: convert and store results.
- char* __sanity;
- errno = 0;
- void* __vp = reinterpret_cast<void*>(strtoul(__xtrc, &__sanity, __base));
- if (!(__err & ios_base::failbit)
- && __sanity != __xtrc && *__sanity == '\0' && errno == 0)
- __v = __vp;
- else
- __err |= ios_base::failbit;
+ __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
// Reset from hex formatted input
__io.flags(__fmt);
+
+ unsigned long __ul;
+ __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
+ if (!(__err & ios_base::failbit))
+ __v = reinterpret_cast<void*>(__ul);
+ else
+ __err |= ios_base::failbit;
return __beg;
}
- // __pad is specialized for ostreambuf_iterator, random access iterator.
+ // For use by integer and floating-point types after they have been
+ // converted into a char_type string.
template<typename _CharT, typename _OutIter>
- inline _OutIter
- __pad(_OutIter __s, _CharT __fill, int __padding);
+ void
+ num_put<_CharT, _OutIter>::
+ _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
+ _CharT* __new, const _CharT* __cs, int& __len) const
+ {
+ // [22.2.2.2.2] Stage 3.
+ // If necessary, pad.
+ __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, __cs,
+ __w, __len, true);
+ __len = static_cast<int>(__w);
+ }
- template<typename _CharT, typename _RaIter>
- _RaIter
- __pad(_RaIter __s, _CharT __fill, int __padding,
- random_access_iterator_tag)
+ // Forwarding functions to peel signed from unsigned integer types.
+ template<typename _CharT>
+ inline int
+ __int_to_char(_CharT* __out, const int __size, long __v,
+ const _CharT* __lit, ios_base::fmtflags __flags)
{
- fill_n(__s, __fill);
- return __s + __padding;
+ unsigned long __ul = static_cast<unsigned long>(__v);
+ bool __neg = false;
+ if (__v < 0)
+ {
+ __ul = -__ul;
+ __neg = true;
+ }
+ return __int_to_char(__out, __size, __ul, __lit, __flags, __neg);
}
- template<typename _CharT, typename _OutIter, typename _Tag>
- _OutIter
- __pad(_OutIter __s, _CharT __fill, int __padding, _Tag)
+ template<typename _CharT>
+ inline int
+ __int_to_char(_CharT* __out, const int __size, unsigned long __v,
+ const _CharT* __lit, ios_base::fmtflags __flags)
+ { return __int_to_char(__out, __size, __v, __lit, __flags, false); }
+
+#ifdef _GLIBCPP_USE_LONG_LONG
+ template<typename _CharT>
+ inline int
+ __int_to_char(_CharT* __out, const int __size, long long __v,
+ const _CharT* __lit, ios_base::fmtflags __flags)
+ {
+ unsigned long long __ull = static_cast<unsigned long long>(__v);
+ bool __neg = false;
+ if (__v < 0)
+ {
+ __ull = -__ull;
+ __neg = true;
+ }
+ return __int_to_char(__out, __size, __ull, __lit, __flags, __neg);
+ }
+
+ template<typename _CharT>
+ inline int
+ __int_to_char(_CharT* __out, const int __size, unsigned long long __v,
+ const _CharT* __lit, ios_base::fmtflags __flags)
+ { return __int_to_char(__out, __size, __v, __lit, __flags, false); }
+#endif
+
+ template<typename _CharT, typename _ValueT>
+ int
+ __int_to_char(_CharT* __out, const int __size, _ValueT __v,
+ const _CharT* __lit, ios_base::fmtflags __flags, bool __neg)
{
- while (--__padding >= 0) { *__s = __fill; ++__s; }
- return __s;
+ // Don't write base if already 0.
+ const bool __showbase = (__flags & ios_base::showbase) && __v;
+ const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
+ _CharT* __buf = __out + __size - 1;
+ _CharT* __bufend = __out + __size;
+
+ if (__builtin_expect(__basefield == ios_base::oct, false))
+ {
+ // Octal.
+ do
+ {
+ *__buf-- = __lit[(__v & 0x7) + __num_base::_S_digits];
+ __v >>= 3;
+ }
+ while (__v != 0);
+ if (__showbase)
+ *__buf-- = __lit[__num_base::_S_digits];
+ }
+ else if (__builtin_expect(__basefield == ios_base::hex, false))
+ {
+ // Hex.
+ const bool __uppercase = __flags & ios_base::uppercase;
+ int __case_offset = __uppercase
+ ? __num_base::_S_udigits : __num_base::_S_digits;
+ do
+ {
+ *__buf-- = __lit[(__v & 0xf) + __case_offset];
+ __v >>= 4;
+ }
+ while (__v != 0);
+ if (__showbase)
+ {
+ // 'x' or 'X'
+ *__buf-- = __lit[__num_base::_S_x + __uppercase];
+ // '0'
+ *__buf-- = __lit[__num_base::_S_digits];
+ }
+ }
+ else
+ {
+ // Decimal.
+ do
+ {
+ *__buf-- = __lit[(__v % 10) + __num_base::_S_digits];
+ __v /= 10;
+ }
+ while (__v != 0);
+ if (__neg)
+ *__buf-- = __lit[__num_base::_S_minus];
+ else if (__flags & ios_base::showpos)
+ *__buf-- = __lit[__num_base::_S_plus];
+ }
+ int __ret = __bufend - __buf - 1;
+ return __ret;
}
template<typename _CharT, typename _OutIter>
- inline _OutIter
- __pad(_OutIter __s, _CharT __fill, int __padding)
+ void
+ num_put<_CharT, _OutIter>::
+ _M_group_int(const string& __grouping, _CharT __sep, ios_base& __io,
+ _CharT* __new, _CharT* __cs, int& __len) const
{
- return __pad(__s, __fill, __padding,
- typename iterator_traits<_OutIter>::iterator_category());
+ // By itself __add_grouping cannot deal correctly with __ws when
+ // ios::showbase is set and ios_base::oct || ios_base::hex.
+ // Therefore we take care "by hand" of the initial 0, 0x or 0X.
+ // However, remember that the latter do not occur if the number
+ // printed is '0' (__len == 1).
+ streamsize __off = 0;
+ const ios_base::fmtflags __basefield = __io.flags()
+ & ios_base::basefield;
+ if ((__io.flags() & ios_base::showbase) && __len > 1)
+ if (__basefield == ios_base::oct)
+ {
+ __off = 1;
+ *__new = *__cs;
+ }
+ else if (__basefield == ios_base::hex)
+ {
+ __off = 2;
+ *__new = *__cs;
+ *(__new + 1) = *(__cs + 1);
+ }
+ _CharT* __p;
+ __p = __add_grouping(__new + __off, __sep,
+ __grouping.c_str(),
+ __grouping.c_str() + __grouping.size(),
+ __cs + __off, __cs + __len);
+ __len = __p - __new;
}
template<typename _CharT, typename _OutIter>
- _OutIter
- __pad_numeric(_OutIter __s, ios_base::fmtflags /*__flags*/,
- _CharT /*__fill*/, int /*__width*/,
- _CharT const* /*__first*/, _CharT const* /*__middle*/,
- _CharT const* /*__last*/)
- {
- // XXX Not currently done: non streambuf_iterator
- return __s;
- }
+ template<typename _ValueT>
+ _OutIter
+ num_put<_CharT, _OutIter>::
+ _M_convert_int(_OutIter __s, ios_base& __io, _CharT __fill,
+ _ValueT __v) const
+ {
+ typedef __locale_cache<_CharT> __cache_type;
+ __cache_type& __lc = static_cast<__cache_type&>(__io._M_cache());
+ _CharT* __lit = __lc._M_literals;
+
+ // Long enough to hold hex, dec, and octal representations.
+ int __ilen = 4 * sizeof(_ValueT);
+ _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __ilen));
+ // [22.2.2.2.2] Stage 1, numeric conversion to character.
+ // Result is returned right-justified in the buffer.
+ int __len;
+ __len = __int_to_char(&__cs[0], __ilen, __v, __lit, __io.flags());
+ __cs = __cs + __ilen - __len;
+
+ // Add grouping, if necessary.
+ _CharT* __cs2;
+ if (__lc._M_use_grouping)
+ {
+ // Grouping can add (almost) as many separators as the
+ // number of digits, but no more.
+ __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __len * 2));
+ _M_group_int(__lc._M_grouping, __lc._M_thousands_sep, __io,
+ __cs2, __cs, __len);
+ __cs = __cs2;
+ }
+
+ // Pad.
+ _CharT* __cs3;
+ streamsize __w = __io.width();
+ if (__w > static_cast<streamsize>(__len))
+ {
+ __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __w));
+ _M_pad(__fill, __w, __io, __cs3, __cs, __len);
+ __cs = __cs3;
+ }
+ __io.width(0);
+
+ // [22.2.2.2.2] Stage 4.
+ // Write resulting, fully-formatted string to output iterator.
+ return __write(__s, __cs, __len);
+ }
- // Partial specialization for ostreambuf_iterator.
- template<typename _CharT>
- ostreambuf_iterator<_CharT>
- __pad_numeric(ostreambuf_iterator<_CharT> __s, ios_base::fmtflags __flags,
- _CharT __fill, int __width, _CharT const* __first,
- _CharT const* __middle, _CharT const* __last)
+ template<typename _CharT, typename _OutIter>
+ void
+ num_put<_CharT, _OutIter>::
+ _M_group_float(const string& __grouping, _CharT __sep, const _CharT* __p,
+ _CharT* __new, _CharT* __cs, int& __len) const
{
- typedef ostreambuf_iterator<_CharT> __out_iter;
- int __padding = __width - (__last - __first);
- if (__padding < 0)
- __padding = 0;
- ios_base::fmtflags __aflags = __flags & ios_base::adjustfield;
- bool __testfield = __padding == 0 || __aflags == ios_base::left
- || __aflags == ios_base::internal;
-
- // This was needlessly complicated.
- if (__first != __middle)
- {
- if (!__testfield)
- {
- __pad(__s, __fill, __padding);
- __padding = 0;
- }
- copy(__first, __middle, __s);
- }
- __out_iter __s2 = __s;
-
- if (__padding && __aflags != ios_base::left)
- {
- __pad(__s2, __fill, __padding);
- __padding = 0;
- }
- __out_iter __s3 = copy(__middle, __last, __s2);
- if (__padding)
- __pad(__s3, __fill, __padding);
- return __s3;
+#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
+ //282. What types does numpunct grouping refer to?
+ // Add grouping, if necessary.
+ _CharT* __p2;
+ int __declen = __p ? __p - __cs : __len;
+ __p2 = __add_grouping(__new, __sep,
+ __grouping.c_str(),
+ __grouping.c_str() + __grouping.size(),
+ __cs, __cs + __declen);
+
+ // Tack on decimal part.
+ int __newlen = __p2 - __new;
+ if (__p)
+ {
+ char_traits<_CharT>::copy(__p2, __p, __len - __declen);
+ __newlen += __len - __declen;
+ }
+ __len = __newlen;
+#endif
}
+ // The following code uses snprintf (or sprintf(), when
+ // _GLIBCPP_USE_C99 is not defined) to convert floating point values
+ // for insertion into a stream. An optimization would be to replace
+ // them with code that works directly on a wide buffer and then use
+ // __pad to do the padding. It would be good to replace them anyway
+ // to gain back the efficiency that C++ provides by knowing up front
+ // the type of the values to insert. Also, sprintf is dangerous
+ // since may lead to accidental buffer overruns. This
+ // implementation follows the C++ standard fairly directly as
+ // outlined in 22.2.2.2 [lib.locale.num.put]
+ template<typename _CharT, typename _OutIter>
+ template<typename _ValueT>
+ _OutIter
+ num_put<_CharT, _OutIter>::
+ _M_convert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
+ _ValueT __v) const
+ {
+ // Note: digits10 is rounded down: add 1 to ensure the maximum
+ // available precision. Then, in general, one more 1 needs to
+ // be added since, when the %{g,G} conversion specifiers are
+ // chosen inside _S_format_float, the precision field is "the
+ // maximum number of significant digits", *not* the "number of
+ // digits to appear after the decimal point", as happens for
+ // %{e,E,f,F} (C99, 7.19.6.1,4).
+ const int __max_digits = numeric_limits<_ValueT>::digits10 + 2;
+
+ // Use default precision if out of range.
+ streamsize __prec = __io.precision();
+ if (__prec > static_cast<streamsize>(__max_digits))
+ __prec = static_cast<streamsize>(__max_digits);
+ else if (__prec < static_cast<streamsize>(0))
+ __prec = static_cast<streamsize>(6);
+
+ typedef __locale_cache<_CharT> __cache_type;
+ __cache_type& __lc = static_cast<__cache_type&>(__io._M_cache());
+
+ // [22.2.2.2.2] Stage 1, numeric conversion to character.
+ int __len;
+ // Long enough for the max format spec.
+ char __fbuf[16];
+
+#ifdef _GLIBCPP_USE_C99
+ // First try a buffer perhaps big enough (for sure sufficient
+ // for non-ios_base::fixed outputs)
+ int __cs_size = __max_digits * 3;
+ char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
+
+ _S_format_float(__io, __fbuf, __mod);
+ __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
+ _S_c_locale, __prec);
+
+ // If the buffer was not large enough, try again with the correct size.
+ if (__len >= __cs_size)
+ {
+ __cs_size = __len + 1;
+ __cs = static_cast<char*>(__builtin_alloca(__cs_size));
+ __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
+ _S_c_locale, __prec);
+ }
+#else
+ // Consider the possibility of long ios_base::fixed outputs
+ const bool __fixed = __io.flags() & ios_base::fixed;
+ const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
+
+ // ios_base::fixed outputs may need up to __max_exp+1 chars
+ // for the integer part + up to __max_digits chars for the
+ // fractional part + 3 chars for sign, decimal point, '\0'. On
+ // the other hand, for non-fixed outputs __max_digits*3 chars
+ // are largely sufficient.
+ const int __cs_size = __fixed ? __max_exp + __max_digits + 4
+ : __max_digits * 3;
+ char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
+
+ _S_format_float(__io, __fbuf, __mod);
+ __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale, __prec);
+#endif
+
+ // [22.2.2.2.2] Stage 2, convert to char_type, using correct
+ // numpunct.decimal_point() values for '.' and adding grouping.
+ const locale __loc = __io.getloc();
+ const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
+
+ _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __len));
+ __ctype.widen(__cs, __cs + __len, __ws);
+
+ // Replace decimal point.
+ const _CharT __cdec = __ctype.widen('.');
+ const _CharT __dec = __lc._M_decimal_point;
+ const _CharT* __p;
+ if (__p = char_traits<_CharT>::find(__ws, __len, __cdec))
+ __ws[__p - __ws] = __dec;
+
+ // Add grouping, if necessary.
+ _CharT* __ws2;
+ if (__lc._M_use_grouping)
+ {
+ // Grouping can add (almost) as many separators as the
+ // number of digits, but no more.
+ __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __len * 2));
+ _M_group_float(__lc._M_grouping, __lc._M_thousands_sep, __p,
+ __ws2, __ws, __len);
+ __ws = __ws2;
+ }
+
+ // Pad.
+ _CharT* __ws3;
+ streamsize __w = __io.width();
+ if (__w > static_cast<streamsize>(__len))
+ {
+ __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w));
+ _M_pad(__fill, __w, __io, __ws3, __ws, __len);
+ __ws = __ws3;
+ }
+ __io.width(0);
+
+ // [22.2.2.2.2] Stage 4.
+ // Write resulting, fully-formatted string to output iterator.
+ return __write(__s, __ws, __len);
+ }
+
template<typename _CharT, typename _OutIter>
_OutIter
num_put<_CharT, _OutIter>::
do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
{
- const _Format_cache<_CharT>* __fmt = _Format_cache<_CharT>::_S_get(__io);
ios_base::fmtflags __flags = __io.flags();
-
if ((__flags & ios_base::boolalpha) == 0)
{
unsigned long __uv = __v;
- return __output_integer(__s, __io, __fill, false, __uv);
+ __s = _M_convert_int(__s, __io, __fill, __uv);
}
else
{
- const char_type* __first;
- const char_type* __last;
+ locale __loc = __io.getloc();
+ const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
+ typedef basic_string<_CharT> __string_type;
+ __string_type __name;
if (__v)
- {
- __first = __fmt->_M_truename.data();
- __last = __first + __fmt->_M_truename.size();
- }
+ __name = __np.truename();
else
- {
- __first = __fmt->_M_falsename.data();
- __last = __first + __fmt->_M_falsename.size();
- }
- copy(__first, __last, __s);
- }
- return __s;
- }
-
- template<typename _CharT, typename _OutIter, typename _ValueT>
- _OutIter
- __output_integer(_OutIter __s, ios_base& __io, _CharT __fill, bool __neg,
- _ValueT __v)
- {
- // Leave room for "+/-," "0x," and commas. This size is
- // arbitrary, but should work.
- const int __n = numeric_limits<_ValueT>::digits10 * 2 + 4;
- _CharT* __digits = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __n));
- _CharT* __digits_end = __digits + __n;
- ios_base::fmtflags __flags = __io.flags();
- const _Format_cache<_CharT>* __fmt = _Format_cache<_CharT>::_S_get(__io);
- char const* __table = __fmt->_S_literals + __fmt->_S_digits;
+ __name = __np.falsename();
- ios_base::fmtflags __basefield = (__flags & __io.basefield);
- _CharT* __sign_end = __digits_end;
- if (__basefield == ios_base::hex)
- {
- if (__flags & ios_base::uppercase)
- __table += 16; // use ABCDEF
- do
- *--__digits_end = __table[__v & 15];
- while ((__v >>= 4) != 0);
- __sign_end = __digits_end;
- if (__flags & ios_base::showbase)
- {
- *--__digits_end = __fmt->_S_literals[__fmt->_S_x +
- ((__flags & ios_base::uppercase) ? 1 : 0)];
- *--__digits_end = __table[0];
- }
- }
- else if (__basefield == ios_base::oct)
- {
- do
- *--__digits_end = __table[__v & 7];
- while ((__v >>= 3) != 0);
- if (__flags & ios_base::showbase
- && static_cast<char>(*__digits_end) != __table[0])
- *--__digits_end = __table[0];
- __sign_end = __digits_end;
- }
- else
- {
- // NB: This is _lots_ faster than using ldiv.
- do
- *--__digits_end = __table[__v % 10];
- while ((__v /= 10) != 0);
- __sign_end = __digits_end;
- // NB: ios_base:hex || ios_base::oct assumed to be unsigned.
- if (__neg || (__flags & ios_base::showpos))
- *--__digits_end = __fmt->_S_literals[__fmt->_S_plus - __neg];
- }
-
- // XXX should specialize!
- if (!__fmt->_M_use_grouping && !__io.width())
- return copy(__digits_end, __digits + __n, __s);
-
- if (!__fmt->_M_use_grouping)
- return __pad_numeric(__s, __flags, __fill, __io.width(0),
- __digits_end, __sign_end, __digits + __n);
-
- _CharT* __p = __digits;
- while (__digits_end < __sign_end)
- *__p++ = *__digits_end++;
- const char* __gbeg = __fmt->_M_grouping.data();
- const char* __gend = __gbeg + __fmt->_M_grouping.size();
- __digits_end = __group_digits(__p, __fmt->_M_thousands_sep,
- __gbeg, __gend,
- __sign_end, __digits + __n);
- return __pad_numeric(__s, __flags, __fill, __io.width(0),
- __digits, __p, __digits_end);
+ const _CharT* __cs = __name.c_str();
+ int __len = __name.size();
+ _CharT* __cs3;
+ streamsize __w = __io.width();
+ if (__w > static_cast<streamsize>(__len))
+ {
+ __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __w));
+ _M_pad(__fill, __w, __io, __cs3, __cs, __len);
+ __cs = __cs3;
+ }
+ __io.width(0);
+ __s = __write(__s, __cs, __len);
+ }
+ return __s;
}
template<typename _CharT, typename _OutIter>
_OutIter
num_put<_CharT, _OutIter>::
do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
- {
- unsigned long __uv = __v;
- bool __neg = false;
- if (__v < 0)
- {
- __neg = true;
- __uv = -__uv;
- }
- return __output_integer(__s, __io, __fill, __neg, __uv);
- }
+ { return _M_convert_int(__s, __io, __fill, __v); }
template<typename _CharT, typename _OutIter>
_OutIter
num_put<_CharT, _OutIter>::
do_put(iter_type __s, ios_base& __io, char_type __fill,
unsigned long __v) const
- { return __output_integer(__s, __io, __fill, false, __v); }
+ { return _M_convert_int(__s, __io, __fill, __v); }
#ifdef _GLIBCPP_USE_LONG_LONG
template<typename _CharT, typename _OutIter>
_OutIter
num_put<_CharT, _OutIter>::
do_put(iter_type __s, ios_base& __b, char_type __fill, long long __v) const
- {
- unsigned long long __uv = __v;
- bool __neg = false;
- if (__v < 0)
- {
- __neg = true;
- __uv = -__uv;
- }
- return __output_integer(__s, __b, __fill, __neg, __uv);
- }
+ { return _M_convert_int(__s, __b, __fill, __v); }
template<typename _CharT, typename _OutIter>
_OutIter
num_put<_CharT, _OutIter>::
do_put(iter_type __s, ios_base& __io, char_type __fill,
unsigned long long __v) const
- { return __output_integer(__s, __io, __fill, false, __v); }
+ { return _M_convert_int(__s, __io, __fill, __v); }
#endif
- // Generic helper function
- template<typename _CharT, typename _Traits, typename _OutIter>
- _OutIter
- __output_float(_OutIter __s, ios_base& __io, _CharT __fill,
- const char* __sptr, size_t __slen)
- {
- // XXX Not currently done: non-streambuf_iterator
- return __s;
- }
-
- // Partial specialization for ostreambuf_iterator.
- template<typename _CharT, typename _Traits>
- ostreambuf_iterator<_CharT, _Traits>
- __output_float(ostreambuf_iterator<_CharT, _Traits> __s, ios_base& __io,
- _CharT __fill, const char* __sptr, size_t __slen)
- {
- size_t __padding = __io.width() > streamsize(__slen) ?
- __io.width() -__slen : 0;
- locale __loc = __io.getloc();
- ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
- ios_base::fmtflags __adjfield = __io.flags() & ios_base::adjustfield;
- const char* const __eptr = __sptr + __slen;
- // [22.2.2.2.2.19] Table 61
- if (__adjfield == ios_base::internal)
- {
- // [22.2.2.2.2.14]; widen()
- if (__sptr < __eptr && (*__sptr == '+' || *__sptr == '-'))
- {
- __s = __ctype.widen(*__sptr);
- ++__s;
- ++__sptr;
- }
- __s = __pad(__s, __fill, __padding);
- __padding = 0;
- }
- else if (__adjfield != ios_base::left)
- {
- __s = __pad(__s, __fill, __padding);
- __padding = 0;
- }
- // the "C" locale decimal character
- char __decimal_point = *(localeconv()->decimal_point);
- const _Format_cache<_CharT>* __fmt = _Format_cache<_CharT>::_S_get(__io);
- for (; __sptr != __eptr; ++__s, ++__sptr)
- {
- // [22.2.2.2.2.17]; decimal point conversion
- if (*__sptr == __decimal_point)
- __s = __fmt->_M_decimal_point;
- // [22.2.2.2.2.14]; widen()
- else
- __s = __ctype.widen(*__sptr);
- }
- // [22.2.2.2.2.19] Table 61
- if (__padding)
- __pad(__s, __fill, __padding);
- __io.width(0);
- return __s;
- }
-
- bool
- __build_float_format(ios_base& __io, char* __fptr, char __modifier,
- streamsize __prec);
-
template<typename _CharT, typename _OutIter>
_OutIter
num_put<_CharT, _OutIter>::
do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
- {
- const streamsize __max_prec = numeric_limits<double>::digits10 + 3;
- streamsize __prec = __io.precision();
- // Protect against sprintf() buffer overflows.
- if (__prec > __max_prec)
- __prec = __max_prec;
- // The *2 provides for signs, exp, 'E', and pad.
- char __sbuf[__max_prec * 2];
- size_t __slen;
- // Long enough for the max format spec.
- char __fbuf[16];
- if (__build_float_format(__io, __fbuf, 0, __prec))
- __slen = sprintf(__sbuf, __fbuf, __prec, __v);
- else
- __slen = sprintf(__sbuf, __fbuf, __v);
- // [22.2.2.2.2] Stages 2-4.
- return __output_float(__s, __io, __fill, __sbuf, __slen);
- }
+ { return _M_convert_float(__s, __io, __fill, char(), __v); }
template<typename _CharT, typename _OutIter>
_OutIter
num_put<_CharT, _OutIter>::
- do_put(iter_type __s, ios_base& __io, char_type __fill,
- long double __v) const
- {
- const streamsize __max_prec = numeric_limits<long double>::digits10 + 3;
- streamsize __prec = __io.precision();
- // Protect against sprintf() buffer overflows.
- if (__prec > __max_prec)
- __prec = __max_prec;
- // The *2 provides for signs, exp, 'E', and pad.
- char __sbuf[__max_prec * 2];
- size_t __slen;
- // Long enough for the max format spec.
- char __fbuf[16];
- // 'L' as per [22.2.2.2.2] Table 59
- if (__build_float_format(__io, __fbuf, 'L', __prec))
- __slen = sprintf(__sbuf, __fbuf, __prec, __v);
- else
- __slen = sprintf(__sbuf, __fbuf, __v);
- // [22.2.2.2.2] Stages 2-4
- return __output_float(__s, __io, __fill, __sbuf, __slen);
- }
+ do_put(iter_type __s, ios_base& __io, char_type __fill,
+ long double __v) const
+ { return _M_convert_float(__s, __io, __fill, 'L', __v); }
template<typename _CharT, typename _OutIter>
_OutIter
do_put(iter_type __s, ios_base& __io, char_type __fill,
const void* __v) const
{
- typedef ios_base::fmtflags fmtflags;
- fmtflags __fmt = __io.flags();
- fmtflags __fmtmask = ~(ios_base::showpos | ios_base::basefield
- | ios_base::uppercase | ios_base::internal);
- __io.flags(__fmt & __fmtmask | (ios_base::hex | ios_base::showbase));
- try {
- _OutIter __s2 = __output_integer(__s, __io, __fill, false,
- reinterpret_cast<unsigned long>(__v));
- __io.flags(__fmt);
- return __s2;
- }
- catch (...) {
- __io.flags(__fmt);
- __throw_exception_again;
- }
+ ios_base::fmtflags __flags = __io.flags();
+ ios_base::fmtflags __fmt = ~(ios_base::showpos | ios_base::basefield
+ | ios_base::uppercase | ios_base::internal);
+ __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
+ try
+ {
+ __s = _M_convert_int(__s, __io, __fill,
+ reinterpret_cast<unsigned long>(__v));
+ __io.flags(__flags);
+ }
+ catch (...)
+ {
+ __io.flags(__flags);
+ __throw_exception_again;
+ }
+ return __s;
}
ios_base::iostate& __err, long double& __units) const
{
string_type __str;
- this->do_get(__beg, __end, __intl, __io, __err, __str);
+ __beg = this->do_get(__beg, __end, __intl, __io, __err, __str);
const int __n = numeric_limits<long double>::digits10;
- char* __cs = static_cast<char*>(__builtin_alloca(sizeof(char) * __n));
+ char* __cs = static_cast<char*>(__builtin_alloca(__n));
const locale __loc = __io.getloc();
const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
const _CharT* __wcs = __str.c_str();
__ctype.narrow(__wcs, __wcs + __str.size() + 1, char(), __cs);
-
-#if defined(_GLIBCPP_USE_C99) && !defined(__hpux)
- char* __sanity;
- errno = 0;
- long double __ld = strtold(__cs, &__sanity);
- if (!(__err & ios_base::failbit)
- && __sanity != __cs && *__sanity == '\0' && errno == 0)
- __units = __ld;
-#else
- typedef typename char_traits<_CharT>::int_type int_type;
- long double __ld;
- int __p = sscanf(__cs, "%Lf", &__ld);
- if (!(__err & ios_base::failbit)
- && __p && static_cast<int_type>(__p) != char_traits<_CharT>::eof())
- __units = __ld;
-#endif
+ __convert_to_v(__cs, __units, __err, _S_c_locale);
return __beg;
}
// Flag marking when a decimal point is found.
bool __testdecfound = false;
+ // The tentative returned string is stored here.
+ string_type __temp_units;
+
char_type __c = *__beg;
char_type __eof = static_cast<char_type>(char_traits<char_type>::eof());
for (int __i = 0; __beg != __end && __i < 4 && __testvalid; ++__i)
switch (__which)
{
case money_base::symbol:
- if (__io.flags() & ios_base::showbase)
+ if (__io.flags() & ios_base::showbase
+ || __i < 2 || __sign.size() > 1
+ || ((static_cast<part>(__p.field[3]) != money_base::none)
+ && __i == 2))
{
- // Symbol is required.
+ // According to 22.2.6.1.2.2, symbol is required
+ // if (__io.flags() & ios_base::showbase),
+ // otherwise is optional and consumed only if
+ // other characters are needed to complete the
+ // format.
const string_type __symbol = __intl ? __mpt.curr_symbol()
: __mpf.curr_symbol();
size_type __len = __symbol.size();
- size_type __i = 0;
+ size_type __j = 0;
while (__beg != __end
- && __i < __len && __symbol[__i] == __c)
+ && __j < __len && __symbol[__j] == __c)
{
__c = *(++__beg);
- ++__i;
+ ++__j;
}
- if (__i != __len)
+ // When (__io.flags() & ios_base::showbase)
+ // symbol is required.
+ if (__j != __len && (__io.flags() & ios_base::showbase))
__testvalid = false;
}
break;
}
else
{
- __units += __c;
+ __temp_units += __c;
++__sep_pos;
}
__c = *(++__beg);
}
// Strip leading zeros.
- while (__units[0] == __ctype.widen('0'))
- __units.erase(__units.begin());
+ while (__temp_units[0] == __ctype.widen('0'))
+ __temp_units.erase(__temp_units.begin());
- if (__sign == __neg_sign)
- __units.insert(__units.begin(), __ctype.widen('-'));
+ if (__sign.size() && __sign == __neg_sign)
+ __temp_units.insert(__temp_units.begin(), __ctype.widen('-'));
// Test for grouping fidelity.
if (__grouping.size() && __grouping_tmp.size())
__err |= ios_base::eofbit;
// Iff valid sequence is not recognized.
- if (!__testvalid || !__units.size())
+ if (!__testvalid || !__temp_units.size())
__err |= ios_base::failbit;
+ else
+ // Use the "swap trick" to copy __temp_units into __units.
+ __temp_units.swap(__units);
return __beg;
}
long double __units) const
{
const locale __loc = __io.getloc();
- const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
- const int __n = numeric_limits<long double>::digits10;
- char* __cs = static_cast<char*>(__builtin_alloca(sizeof(char) * __n));
- _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __n));
- int __len = sprintf(__cs, "%.01Lf", __units);
+ const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
+#ifdef _GLIBCPP_USE_C99
+ // First try a buffer perhaps big enough.
+ int __cs_size = 64;
+ char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
+ int __len = __convert_from_v(__cs, __cs_size, "%.01Lf", __units,
+ _S_c_locale);
+ // If the buffer was not large enough, try again with the correct size.
+ if (__len >= __cs_size)
+ {
+ __cs_size = __len + 1;
+ __cs = static_cast<char*>(__builtin_alloca(__cs_size));
+ __len = __convert_from_v(__cs, __cs_size, "%.01Lf", __units,
+ _S_c_locale);
+ }
+#else
+ // max_exponent10 + 1 for the integer part, + 4 for sign, decimal point,
+ // decimal digit, '\0'.
+ const int __cs_size = numeric_limits<long double>::max_exponent10 + 5;
+ char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
+ int __len = __convert_from_v(__cs, 0, "%.01Lf", __units, _S_c_locale);
+#endif
+ _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __cs_size));
__ctype.widen(__cs, __cs + __len, __ws);
string_type __digits(__ws);
return this->do_put(__s, __intl, __io, __fill, __digits);
{
const char_type __sep = __intl ? __mpt.thousands_sep()
: __mpf.thousands_sep();
- const char* __gbeg = __grouping.data();
+ const char* __gbeg = __grouping.c_str();
const char* __gend = __gbeg + __grouping.size();
- const int __n = numeric_limits<long double>::digits10 * 2;
- _CharT* __s = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __n));
- _CharT* __s_end = __group_digits(__s, __sep, __gbeg,
- __gend, __beg, __end);
- __value.insert(0, __s, __s_end - __s);
+ const int __n = (__end - __beg) * 2;
+ _CharT* __ws2 =
+ static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __n));
+ _CharT* __ws_end = __add_grouping(__ws2, __sep, __gbeg,
+ __gend, __beg, __end);
+ __value.insert(0, __ws2, __ws_end - __ws2);
}
else
__value.insert(0, string_type(__beg, __end));
if (__testipad)
__res += string_type(__width - __len, __fill);
else
- __res += __ctype.widen(' ');
+ __res += __ctype.widen(__fill);
break;
case money_base::none:
if (__testipad)
}
// Write resulting, fully-formatted string to output iterator.
- for (size_type __j = 0; __j < __len; ++__j)
- __s = __res[__j];
+ __s = __write(__s, __res.c_str(), __len);
}
__io.width(0);
return __s;
break;
case 'I':
// Hour [01, 12]. [tm_hour]
- _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
+ _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
__ctype, __err);
break;
case 'm':
// Month [01, 12]. [tm_mon]
- _M_extract_num(__beg, __end, __mem, 1, 12, 2,
- __ctype, __err);
+ _M_extract_num(__beg, __end, __mem, 1, 12, 2, __ctype,
+ __err);
if (!__err)
__tm->tm_mon = __mem - 1;
break;
const _CharT** __names, size_t __indexlen,
ios_base::iostate& __err) const
{
- typedef char_traits<char_type> __traits_type;
- int __matches[__indexlen];
+ typedef char_traits<_CharT> __traits_type;
+ int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
+ * __indexlen));
size_t __nmatches = 0;
size_t __pos = 0;
bool __testvalid = true;
if (__c == __names[__i1][0])
__matches[__nmatches++] = __i1;
- while(__nmatches > 1)
+ while (__nmatches > 1)
{
// Find smallest matching string.
size_t __minlen = 10;
do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
ios_base::iostate& __err, tm* __tm) const
{
- typedef char_traits<char_type> __traits_type;
+ typedef char_traits<_CharT> __traits_type;
locale __loc = __io.getloc();
__timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
const char_type* __days[7];
do_get_monthname(iter_type __beg, iter_type __end,
ios_base& __io, ios_base::iostate& __err, tm* __tm) const
{
- typedef char_traits<char_type> __traits_type;
+ typedef char_traits<_CharT> __traits_type;
locale __loc = __io.getloc();
__timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
const char_type* __months[12];
}
if (__i == 2 || __i == 4)
{
- int __year = atoi(__digits.c_str());
- __year = __i == 2 ? __year : __year - 1900;
- __tm->tm_year = __year;
+ long __l;
+ __convert_to_v(__digits.c_str(), __l, __err, _S_c_locale);
+ if (!(__err & ios_base::failbit) && __l <= INT_MAX)
+ {
+ __l = __i == 2 ? __l : __l - 1900;
+ __tm->tm_year = static_cast<int>(__l);
+ }
}
else
__err |= ios_base::failbit;
}
else
__format = __c;
- this->do_put(__s, __io, char_type(), __tm, __format, __mod);
+ __s = this->do_put(__s, __io, _CharT(), __tm, __format, __mod);
}
else
- __s = __c;
+ {
+ *__s = __c;
+ ++__s;
+ }
}
return __s;
}
// NB: This size is arbitrary. Should this be a data member,
// initialized at construction?
const size_t __maxlen = 64;
- char_type* __res = static_cast<char_type*>(__builtin_alloca(__maxlen));
+ char_type* __res = static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
// NB: In IEE 1003.1-200x, and perhaps other locale models, it
// is possible that the format character will be longer than one
// character. Possibilities include 'E' or 'O' followed by a
- // format charcter: if __mod is not the default argument, assume
+ // format character: if __mod is not the default argument, assume
// it's a valid modifier.
char_type __fmt[4];
__fmt[0] = __ctype.widen('%');
__fmt[3] = char_type();
}
- __tp._M_put_helper(__res, __maxlen, __fmt, __tm);
+ __tp._M_put(__res, __maxlen, __fmt, __tm);
// Write resulting, fully-formatted string to output iterator.
- size_t __len = char_traits<char_type>::length(__res);
- for (size_t __i = 0; __i < __len; ++__i)
- __s = __res[__i];
- return __s;
+ return __write(__s, __res, char_traits<char_type>::length(__res));
}
// Generic version does nothing.
template<typename _CharT>
int
- collate<_CharT>::_M_compare_helper(const _CharT*, const _CharT*) const
+ collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
{ return 0; }
// Generic version does nothing.
template<typename _CharT>
size_t
- collate<_CharT>::_M_transform_helper(_CharT*, const _CharT*, size_t) const
+ collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
{ return 0; }
template<typename _CharT>
{
const string_type __one(__lo1, __hi1);
const string_type __two(__lo2, __hi2);
- return _M_compare_helper(__one.c_str(), __two.c_str());
+ return _M_compare(__one.c_str(), __two.c_str());
}
template<typename _CharT>
- collate<_CharT>::string_type
+ typename collate<_CharT>::string_type
collate<_CharT>::
do_transform(const _CharT* __lo, const _CharT* __hi) const
{
- string_type __orig(__lo, __hi);
- string_type __trans(__orig.size(), char_type());
- size_t __res = _M_transform_helper(__trans.begin().base(),
- __orig.c_str(), __trans.size());
- while (__res >= __trans.size())
+ size_t __len = (__hi - __lo) * 2;
+ // First try a buffer perhaps big enough.
+ _CharT* __c =
+ static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len));
+ size_t __res = _M_transform(__c, __lo, __len);
+ // If the buffer was not large enough, try again with the correct size.
+ if (__res >= __len)
{
- // Increment size of translated string.
- typename string_type::size_type __newsize = __trans.size() * 2;
- __trans.resize(__newsize);
- __res = _M_transform_helper(__trans.begin().base(), __orig.c_str(),
- __trans.size());
+ __c = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * (__res + 1)));
+ _M_transform(__c, __lo, __res + 1);
}
- return __trans;
+ return string_type(__c);
}
template<typename _CharT>
unsigned long __val = 0;
for (; __lo < __hi; ++__lo)
__val = *__lo + ((__val << 7) |
- (__val >> (numeric_limits<unsigned long>::digits - 1)));
+ (__val >> (numeric_limits<unsigned long>::digits - 7)));
return static_cast<long>(__val);
}
- // Used by both numeric and monetary facets.
- // Check to make sure that the __grouping_tmp string constructed in
- // money_get or num_get matches the canonical grouping for a given
- // locale.
- // __grouping_tmp is parsed L to R
- // 1,222,444 == __grouping_tmp of "/1/3/3"
- // __grouping is parsed R to L
- // 1,222,444 == __grouping of "/3" == "/3/3/3"
+ // Construct correctly padded string, as per 22.2.2.2.2
+ // Assumes
+ // __newlen > __oldlen
+ // __news is allocated for __newlen size
+ // Used by both num_put and ostream inserters: if __num,
+ // internal-adjusted objects are padded according to the rules below
+ // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
+ // ones are.
+
+ // NB: Of the two parameters, _CharT can be deduced from the
+ // function arguments. The other (_Traits) has to be explicitly specified.
+ template<typename _CharT, typename _Traits>
+ void
+ __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
+ _CharT* __news, const _CharT* __olds,
+ const streamsize __newlen,
+ const streamsize __oldlen, const bool __num)
+ {
+ size_t __plen = static_cast<size_t>(__newlen - __oldlen);
+ _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __plen));
+ _Traits::assign(__pads, __plen, __fill);
+
+ _CharT* __beg;
+ _CharT* __end;
+ size_t __mod = 0;
+ size_t __beglen; //either __plen or __oldlen
+ ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
+
+ if (__adjust == ios_base::left)
+ {
+ // Padding last.
+ __beg = const_cast<_CharT*>(__olds);
+ __beglen = __oldlen;
+ __end = __pads;
+ }
+ else if (__adjust == ios_base::internal && __num)
+ {
+ // Pad after the sign, if there is one.
+ // Pad after 0[xX], if there is one.
+ // Who came up with these rules, anyway? Jeeze.
+ locale __loc = __io.getloc();
+ const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
+ const _CharT __minus = __ctype.widen('-');
+ const _CharT __plus = __ctype.widen('+');
+ bool __testsign = _Traits::eq(__olds[0], __minus)
+ || _Traits::eq(__olds[0], __plus);
+
+ bool __testhex = _Traits::eq(__ctype.widen('0'), __olds[0])
+ && (_Traits::eq(__ctype.widen('x'), __olds[1])
+ || _Traits::eq(__ctype.widen('X'), __olds[1]));
+ if (__testhex)
+ {
+ __news[0] = __olds[0];
+ __news[1] = __olds[1];
+ __mod += 2;
+ __news += 2;
+ __beg = __pads;
+ __beglen = __plen;
+ __end = const_cast<_CharT*>(__olds + __mod);
+ }
+ else if (__testsign)
+ {
+ _Traits::eq((__news[0] = __olds[0]), __plus) ? __plus : __minus;
+ ++__mod;
+ ++__news;
+ __beg = __pads;
+ __beglen = __plen;
+ __end = const_cast<_CharT*>(__olds + __mod);
+ }
+ else
+ {
+ // Padding first.
+ __beg = __pads;
+ __beglen = __plen;
+ __end = const_cast<_CharT*>(__olds);
+ }
+ }
+ else
+ {
+ // Padding first.
+ __beg = __pads;
+ __beglen = __plen;
+ __end = const_cast<_CharT*>(__olds);
+ }
+ _Traits::copy(__news, __beg, __beglen);
+ _Traits::copy(__news + __beglen, __end,
+ __newlen - __beglen - __mod);
+ }
+
template<typename _CharT>
bool
__verify_grouping(const basic_string<_CharT>& __grouping,
return __test;
}
- // Used by both numeric and monetary facets.
- // Inserts "group separator" characters into an array of characters.
- // It's recursive, one iteration per group. It moves the characters
- // in the buffer this way: "xxxx12345" -> "12,345xxx". Call this
- // only with __gbeg != __gend.
template<typename _CharT>
_CharT*
- __group_digits(_CharT* __s, _CharT __sep,
+ __add_grouping(_CharT* __s, _CharT __sep,
const char* __gbeg, const char* __gend,
const _CharT* __first, const _CharT* __last)
{
if (__last - __first > *__gbeg)
{
- __s = __group_digits(__s, __sep,
+ __s = __add_grouping(__s, __sep,
(__gbeg + 1 == __gend ? __gbeg : __gbeg + 1),
__gend, __first, __last - *__gbeg);
__first = __last - *__gbeg;
*__s++ = __sep;
}
do
- {
- *__s++ = *__first++;
- }
+ *__s++ = *__first++;
while (__first != __last);
return __s;
}
- // XXX This stuff needs to be re-examined, heavily modified, or ditched.
- template<typename _CharT>
- _Format_cache<_CharT>::_Format_cache()
- : _M_valid(true), _M_use_grouping(false)
- { }
-
- template<>
- _Format_cache<char>::_Format_cache();
-
- template<>
- _Format_cache<wchar_t>::_Format_cache();
-
+ // Generic definition, locale cache initialization.
template<typename _CharT>
void
- _Format_cache<_CharT>::_M_populate(ios_base& __io)
+ __locale_cache<_CharT>::_M_init(const locale& __loc)
{
- locale __loc = __io.getloc();
- numpunct<_CharT> const& __np = use_facet<numpunct<_CharT> >(__loc);
- _M_truename = __np.truename();
- _M_falsename = __np.falsename();
- _M_thousands_sep = __np.thousands_sep();
- _M_decimal_point = __np.decimal_point();
- _M_grouping = __np.grouping();
- _M_use_grouping = _M_grouping.size() != 0 && _M_grouping.data()[0] != 0;
- _M_valid = true;
+ if (__builtin_expect(has_facet<numpunct<_CharT> >(__loc), true))
+ {
+ const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
+ _M_falsename = __np.falsename();
+ _M_truename = __np.truename();
+ _M_thousands_sep = __np.thousands_sep();
+ _M_decimal_point = __np.decimal_point();
+ _M_grouping = __np.grouping();
+ _M_use_grouping = _M_grouping.size() != 0
+ && _M_grouping.data()[0] != 0;
+ }
+ if (__builtin_expect(has_facet<ctype<_CharT> >(__loc), true))
+ {
+ const ctype<_CharT>& __ct = use_facet< ctype<_CharT> >(__loc);
+ __ct.widen(__num_base::_S_atoms_out,
+ __num_base::_S_atoms_out + __num_base::_S_end,
+ _M_literals);
+ }
}
- // This function is always called via a pointer installed in
- // an ios_base by ios_base::register_callback.
- template<typename _CharT>
- void
- _Format_cache<_CharT>::
- _S_callback(ios_base::event __ev, ios_base& __ios, int __ix) throw()
- {
- void*& __p = __ios.pword(__ix);
- switch (__ev)
- {
- case ios_base::erase_event:
- delete static_cast<_Format_cache<_CharT>*>(__p);
- __p = 0;
- break;
- case ios_base::copyfmt_event:
- // If just stored zero, the callback would get registered again.
- try
- { __p = new _Format_cache<_CharT>; }
- catch(...)
- { }
- break;
- case ios_base::imbue_event:
- static_cast<_Format_cache<_CharT>*>(__p)->_M_valid = false;
- break;
- }
- }
+ // Inhibit implicit instantiations for required instantiations,
+ // which are defined via explicit instantiations elsewhere.
+ // NB: This syntax is a GNU extension.
+#if _GLIBCPP_EXTERN_TEMPLATE
+ extern template class moneypunct<char, false>;
+ extern template class moneypunct<char, true>;
+ extern template class moneypunct_byname<char, false>;
+ extern template class moneypunct_byname<char, true>;
+ extern template class money_get<char>;
+ extern template class money_put<char>;
+ extern template class numpunct<char>;
+ extern template class numpunct_byname<char>;
+ extern template class num_get<char>;
+ extern template class num_put<char>;
+ extern template class __timepunct<char>;
+ extern template class time_put<char>;
+ extern template class time_put_byname<char>;
+ extern template class time_get<char>;
+ extern template class time_get_byname<char>;
+ extern template class messages<char>;
+ extern template class messages_byname<char>;
+ extern template class ctype_byname<char>;
+ extern template class codecvt_byname<char, char, mbstate_t>;
+ extern template class collate<char>;
+ extern template class collate_byname<char>;
+
+ extern template
+ const codecvt<char, char, mbstate_t>&
+ use_facet<codecvt<char, char, mbstate_t> >(const locale&);
+
+ extern template
+ const collate<char>&
+ use_facet<collate<char> >(const locale&);
+
+ extern template
+ const numpunct<char>&
+ use_facet<numpunct<char> >(const locale&);
+
+ extern template
+ const num_put<char>&
+ use_facet<num_put<char> >(const locale&);
+
+ extern template
+ const num_get<char>&
+ use_facet<num_get<char> >(const locale&);
+
+ extern template
+ const moneypunct<char, true>&
+ use_facet<moneypunct<char, true> >(const locale&);
+
+ extern template
+ const moneypunct<char, false>&
+ use_facet<moneypunct<char, false> >(const locale&);
+
+ extern template
+ const money_put<char>&
+ use_facet<money_put<char> >(const locale&);
+
+ extern template
+ const money_get<char>&
+ use_facet<money_get<char> >(const locale&);
+
+ extern template
+ const __timepunct<char>&
+ use_facet<__timepunct<char> >(const locale&);
+
+ extern template
+ const time_put<char>&
+ use_facet<time_put<char> >(const locale&);
+
+ extern template
+ const time_get<char>&
+ use_facet<time_get<char> >(const locale&);
+
+ extern template
+ const messages<char>&
+ use_facet<messages<char> >(const locale&);
+
+ extern template
+ bool
+ has_facet<ctype<char> >(const locale&);
- template<typename _CharT>
- _Format_cache<_CharT>*
- _Format_cache<_CharT>::_S_get(ios_base& __ios)
- {
- if (!_S_pword_ix)
- _S_pword_ix = ios_base::xalloc(); // XXX MT
- void*& __p = __ios.pword(_S_pword_ix);
+ extern template
+ bool
+ has_facet<codecvt<char, char, mbstate_t> >(const locale&);
- // XXX What if pword fails? must check failbit, throw.
- if (__p == 0) // XXX MT? maybe sentry takes care of it
- {
- auto_ptr<_Format_cache<_CharT> > __ap(new _Format_cache<_CharT>);
- __ios.register_callback(&_Format_cache<_CharT>::_S_callback,
- _S_pword_ix);
- __p = __ap.release();
- }
- _Format_cache<_CharT>* __ncp = static_cast<_Format_cache<_CharT>*>(__p);
- if (!__ncp->_M_valid)
- __ncp->_M_populate(__ios);
+ extern template
+ bool
+ has_facet<collate<char> >(const locale&);
- return __ncp;
- }
+ extern template
+ bool
+ has_facet<numpunct<char> >(const locale&);
+
+ extern template
+ bool
+ has_facet<num_put<char> >(const locale&);
+
+ extern template
+ bool
+ has_facet<num_get<char> >(const locale&);
+
+ extern template
+ bool
+ has_facet<moneypunct<char> >(const locale&);
+
+ extern template
+ bool
+ has_facet<money_put<char> >(const locale&);
+
+ extern template
+ bool
+ has_facet<money_get<char> >(const locale&);
+
+ extern template
+ bool
+ has_facet<__timepunct<char> >(const locale&);
+
+ extern template
+ bool
+ has_facet<time_put<char> >(const locale&);
+
+ extern template
+ bool
+ has_facet<time_get<char> >(const locale&);
+
+ extern template
+ bool
+ has_facet<messages<char> >(const locale&);
+
+#ifdef _GLIBCPP_USE_WCHAR_T
+ extern template class moneypunct<wchar_t, false>;
+ extern template class moneypunct<wchar_t, true>;
+ extern template class moneypunct_byname<wchar_t, false>;
+ extern template class moneypunct_byname<wchar_t, true>;
+ extern template class money_get<wchar_t>;
+ extern template class money_put<wchar_t>;
+ extern template class numpunct<wchar_t>;
+ extern template class numpunct_byname<wchar_t>;
+ extern template class num_get<wchar_t>;
+ extern template class num_put<wchar_t>;
+ extern template class __timepunct<wchar_t>;
+ extern template class time_put<wchar_t>;
+ extern template class time_put_byname<wchar_t>;
+ extern template class time_get<wchar_t>;
+ extern template class time_get_byname<wchar_t>;
+ extern template class messages<wchar_t>;
+ extern template class messages_byname<wchar_t>;
+ extern template class ctype_byname<wchar_t>;
+ extern template class codecvt_byname<wchar_t, char, mbstate_t>;
+ extern template class collate<wchar_t>;
+ extern template class collate_byname<wchar_t>;
+
+ extern template
+ const codecvt<wchar_t, char, mbstate_t>&
+ use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
+
+ extern template
+ const collate<wchar_t>&
+ use_facet<collate<wchar_t> >(const locale&);
+
+ extern template
+ const numpunct<wchar_t>&
+ use_facet<numpunct<wchar_t> >(const locale&);
+
+ extern template
+ const num_put<wchar_t>&
+ use_facet<num_put<wchar_t> >(const locale&);
+
+ extern template
+ const num_get<wchar_t>&
+ use_facet<num_get<wchar_t> >(const locale&);
+
+ extern template
+ const moneypunct<wchar_t, true>&
+ use_facet<moneypunct<wchar_t, true> >(const locale&);
+
+ extern template
+ const moneypunct<wchar_t, false>&
+ use_facet<moneypunct<wchar_t, false> >(const locale&);
+
+ extern template
+ const money_put<wchar_t>&
+ use_facet<money_put<wchar_t> >(const locale&);
+
+ extern template
+ const money_get<wchar_t>&
+ use_facet<money_get<wchar_t> >(const locale&);
+
+ extern template
+ const __timepunct<wchar_t>&
+ use_facet<__timepunct<wchar_t> >(const locale&);
+
+ extern template
+ const time_put<wchar_t>&
+ use_facet<time_put<wchar_t> >(const locale&);
+
+ extern template
+ const time_get<wchar_t>&
+ use_facet<time_get<wchar_t> >(const locale&);
+
+ extern template
+ const messages<wchar_t>&
+ use_facet<messages<wchar_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<ctype<wchar_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<collate<wchar_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<numpunct<wchar_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<num_put<wchar_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<num_get<wchar_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<moneypunct<wchar_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<money_put<wchar_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<money_get<wchar_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<__timepunct<wchar_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<time_put<wchar_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<time_get<wchar_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<messages<wchar_t> >(const locale&);
+#endif
+#endif
} // namespace std
#endif
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