274 lines
7.0 KiB
C++
274 lines
7.0 KiB
C++
/***************************************************************************
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*
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* _numpunct.h - definition of the std::numpunct class templates
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*
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* This is an internal header file used to implement the C++ Standard
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* Library. It should never be #included directly by a program.
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*
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* $Id: _numpunct.h 637130 2008-03-14 15:16:33Z faridz $
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*
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***************************************************************************
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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* Copyright 1994-2006 Rogue Wave Software.
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*
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**************************************************************************/
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#ifndef _RWSTD_LOC_NUMPUNCT_H_INCLUDED
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#define _RWSTD_LOC_NUMPUNCT_H_INCLUDED
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#if __GNUG__ >= 3
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# pragma GCC system_header
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#endif // gcc >= 3
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#include <string>
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#include <loc/_facet.h>
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#include <loc/_punct.h>
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#include <rw/_defs.h>
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_RWSTD_NAMESPACE (std) {
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// FIXME: provide just required specializations when #defined
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// #ifndef _RWSTD_NO_EXT_NUMPUNCT_PRIMARY
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// 22.2.3.1
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_EXPORT
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template <class _CharT>
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struct numpunct: _RW::__rw_facet
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{
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typedef _CharT char_type;
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typedef
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basic_string<char_type, char_traits<char_type>, allocator<char_type> >
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string_type;
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_EXPLICIT numpunct (_RWSTD_SIZE_T __ref = 0)
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: _RW::__rw_facet (__ref), _C_flags (0) { }
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virtual ~numpunct ();
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// 22.2.3.1.1, p1
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char_type decimal_point () const;
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// 22.2.3.1.1, p2
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char_type thousands_sep () const;
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// 22.2.3.1.1, p3
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string grouping () const;
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// 22.2.3.1.1, p4
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string_type truename () const;
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// 22.2.3.1.1, p4
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string_type falsename () const;
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static _RW::__rw_facet_id id;
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protected:
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// 22.2.3.1.2, p1
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virtual char_type do_decimal_point () const {
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return *_RW::__rw_get_punct (this, _RW::__rw_dp, char_type ());
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}
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// 22.2.3.1.2, p2
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virtual char_type do_thousands_sep () const {
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return *_RW::__rw_get_punct (this, _RW::__rw_ts, char_type ());
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}
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// 22.2.3.1.2, p3
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virtual string do_grouping () const {
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return _RWSTD_REINTERPRET_CAST (const char*,
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_RW::__rw_get_punct (this, _RW::__rw_gr, char_type ()));
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}
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// 22.2.3.1.2, p4
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virtual string_type do_truename () const {
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return _RW::__rw_get_punct (this, _RW::__rw_tn, char_type ());
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}
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// 22.2.3.1.2, p4
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virtual string_type do_falsename () const {
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return _RW::__rw_get_punct (this, _RW::__rw_fn, char_type ());
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}
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private:
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int _C_flags; // bitmap of "cached data valid" flags
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string _C_grouping; // cached results of virtual members
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string_type _C_truename;
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string_type _C_falsename;
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char_type _C_decimal_point;
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char_type _C_thousands_sep;
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};
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#ifndef _RWSTD_NO_SPECIALIZED_FACET_ID
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_RWSTD_SPECIALIZED_CLASS
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_RW::__rw_facet_id numpunct<char>::id;
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# ifndef _RWSTD_NO_WCHAR_T
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_RWSTD_SPECIALIZED_CLASS
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_RW::__rw_facet_id numpunct<wchar_t>::id;
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# endif // _RWSTD_NO_WCHAR_T
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#endif // _RWSTD_NO_SPECIALIZED_FACET_ID
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template <class _CharT>
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inline _TYPENAME numpunct<_CharT>::char_type
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numpunct<_CharT>::decimal_point () const
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{
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if (!(_C_flags & _RW::__rw_dp)) {
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numpunct* const __self = _RWSTD_CONST_CAST (numpunct*, this);
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// [try to] get the decimal point first (may throw)
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// then set a flag to avoid future initializations
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__self->_C_decimal_point = do_decimal_point ();
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__self->_C_flags |= _RW::__rw_dp;
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}
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return _C_decimal_point;
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}
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template <class _CharT>
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inline _TYPENAME numpunct<_CharT>::char_type
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numpunct<_CharT>::thousands_sep () const
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{
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if (!(_C_flags & _RW::__rw_ts)) {
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numpunct* const __self = _RWSTD_CONST_CAST (numpunct*, this);
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// [try to] get the thousands_sep first (may throw)
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// then set a flag to avoid future initializations
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__self->_C_thousands_sep = do_thousands_sep ();
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__self->_C_flags |= _RW::__rw_ts;
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}
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return _C_thousands_sep;
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}
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template <class _CharT>
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inline string numpunct<_CharT>::grouping () const
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{
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if (!(_C_flags & _RW::__rw_gr)) {
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numpunct* const __self = _RWSTD_CONST_CAST (numpunct*, this);
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// [try to] get the grouping first (may throw)
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// then set a flag to avoid future initializations
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__self->_C_grouping = do_grouping ();
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__self->_C_flags |= _RW::__rw_gr;
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}
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return _C_grouping;
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}
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template <class _CharT>
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inline _TYPENAME numpunct<_CharT>::string_type
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numpunct<_CharT>::truename () const
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{
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if (!(_C_flags & _RW::__rw_tn)) {
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numpunct* const __self = _RWSTD_CONST_CAST (numpunct*, this);
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// [try to] get the true name first (may throw)
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// then set a flag to avoid future initializations
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__self->_C_truename = do_truename ();
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__self->_C_flags |= _RW::__rw_tn;
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}
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return _C_truename;
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}
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template <class _CharT>
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inline _TYPENAME numpunct<_CharT>::string_type
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numpunct<_CharT>::falsename () const
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{
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if (!(_C_flags & _RW::__rw_fn)) {
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numpunct* const __self = _RWSTD_CONST_CAST (numpunct*, this);
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// [try to] get the false name first (may throw)
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// then set a flag to avoid future initializations
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__self->_C_falsename = do_falsename ();
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__self->_C_flags |= _RW::__rw_fn;
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}
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return _C_falsename;
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}
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// #endif _RWSTD_NO_EXT_NUMPUNCT_PRIMARY
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// 22.2.3.2
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template <class _CharT>
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class numpunct_byname: public numpunct<_CharT>
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{
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char _C_namebuf [32];
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public:
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_EXPLICIT numpunct_byname (const char *__name, _RWSTD_SIZE_T __refs = 0)
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: numpunct<_CharT>(__refs) {
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this->_C_set_name (__name, _C_namebuf, sizeof _C_namebuf);
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}
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};
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} // namespace std
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#if _RWSTD_DEFINE_TEMPLATE_FIRST (_NUMPUNCT)
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# include <loc/_numpunct.cc>
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#endif // _RWSTD_DEFINE_TEMPLATE_FIRST (_NUMPUNCT)
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_RWSTD_NAMESPACE (std) {
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#if _RWSTD_INSTANTIATE (_NUMPUNCT, _CHAR)
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_RWSTD_INSTANTIATE_1 (struct _RWSTD_TI_EXPORT numpunct<char>);
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#endif // _RWSTD_INSTANTIATE (_NUMPUNCT, _CHAR)
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#if _RWSTD_INSTANTIATE (_NUMPUNCT, _WCHAR_T)
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_RWSTD_INSTANTIATE_1 (struct _RWSTD_TI_EXPORT numpunct<wchar_t>);
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#endif // _RWSTD_INSTANTIATE (_NUMPUNCT, _WCHAR_T)
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} // namespace std
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#if _RWSTD_DEFINE_TEMPLATE_LAST (_NUMPUNCT)
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# include <loc/_numpunct.cc>
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#endif // _RWSTD_DEFINE_TEMPLATE_LAST (_NUMPUNCT)
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#endif // _RWSTD_LOC_NUMPUNCT_H_INCLUDED
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