locale_conv.h (wstring_convert, [...]): New.
* include/bits/locale_conv.h (wstring_convert, wbuffer_convert): New. * include/std/locale: Include new header. * include/Makefile.am: Add it. * include/Makefile.in: Regenerate. * testsuite/22_locale/conversions/buffer/requirements/typedefs.cc: New. * testsuite/22_locale/conversions/string/1.cc: New. * testsuite/22_locale/conversions/string/2.cc: New. * testsuite/22_locale/conversions/string/requirements/typedefs.cc: New. * testsuite/22_locale/conversions/string/requirements/typedefs-2.cc: New. From-SVN: r219780
This commit is contained in:
parent
28af1fb39d
commit
96d8c147aa
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@ -1,3 +1,16 @@
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2015-01-16 Jonathan Wakely <jwakely@redhat.com>
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* include/bits/locale_conv.h (wstring_convert, wbuffer_convert): New.
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* include/std/locale: Include new header.
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* include/Makefile.am: Add it.
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* include/Makefile.in: Regenerate.
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* testsuite/22_locale/conversions/buffer/requirements/typedefs.cc: New.
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* testsuite/22_locale/conversions/string/1.cc: New.
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* testsuite/22_locale/conversions/string/2.cc: New.
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* testsuite/22_locale/conversions/string/requirements/typedefs.cc: New.
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* testsuite/22_locale/conversions/string/requirements/typedefs-2.cc:
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New.
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2015-01-16 Jonathan Wakely <jwakely@redhat.com>
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* config/abi/pre/gnu.ver: Export new symbols.
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@ -113,6 +113,7 @@ bits_headers = \
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${bits_srcdir}/list.tcc \
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${bits_srcdir}/locale_classes.h \
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${bits_srcdir}/locale_classes.tcc \
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${bits_srcdir}/locale_conv.h \
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${bits_srcdir}/locale_facets.h \
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${bits_srcdir}/locale_facets.tcc \
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${bits_srcdir}/locale_facets_nonio.h \
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@ -381,6 +381,7 @@ bits_headers = \
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${bits_srcdir}/list.tcc \
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${bits_srcdir}/locale_classes.h \
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${bits_srcdir}/locale_classes.tcc \
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${bits_srcdir}/locale_conv.h \
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${bits_srcdir}/locale_facets.h \
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${bits_srcdir}/locale_facets.tcc \
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${bits_srcdir}/locale_facets_nonio.h \
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@ -0,0 +1,464 @@
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// wstring_convert implementation -*- C++ -*-
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// Copyright (C) 2012 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file bits/locale_conv.h
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* This is an internal header file, included by other library headers.
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* Do not attempt to use it directly. @headername{locale}
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*/
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#ifndef _LOCALE_CONV_H
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#define _LOCALE_CONV_H 1
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#if __cplusplus < 201103L
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# include <bits/c++0x_warning.h>
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#else
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#include <streambuf>
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#include "stringfwd.h"
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#include "allocator.h"
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#include "codecvt.h"
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#include "unique_ptr.h"
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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#ifdef _GLIBCXX_USE_WCHAR_T
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/**
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* @addtogroup locales
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* @{
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*/
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/// String conversions
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template<typename _Codecvt, typename _Elem = wchar_t,
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typename _Wide_alloc = allocator<_Elem>,
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typename _Byte_alloc = allocator<char>>
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class wstring_convert
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{
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public:
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typedef basic_string<char, char_traits<char>, _Byte_alloc> byte_string;
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typedef basic_string<_Elem, char_traits<_Elem>, _Wide_alloc> wide_string;
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typedef typename _Codecvt::state_type state_type;
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typedef typename wide_string::traits_type::int_type int_type;
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/** Default constructor.
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*
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* @param __pcvt The facet to use for conversions.
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*
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* Takes ownership of @p __pcvt and will delete it in the destructor.
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*/
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explicit
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wstring_convert(_Codecvt* __pcvt = new _Codecvt()) : _M_cvt(__pcvt)
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{
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if (!_M_cvt)
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__throw_logic_error("wstring_convert");
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}
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/** Construct with an initial converstion state.
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*
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* @param __pcvt The facet to use for conversions.
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* @param __state Initial conversion state.
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*
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* Takes ownership of @p __pcvt and will delete it in the destructor.
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* The object's conversion state will persist between conversions.
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*/
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wstring_convert(_Codecvt* __pcvt, state_type __state)
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: _M_cvt(__pcvt), _M_state(__state), _M_with_cvtstate(true)
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{
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if (!_M_cvt)
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__throw_logic_error("wstring_convert");
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}
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/** Construct with error strings.
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*
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* @param __byte_err A string to return on failed conversions.
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* @param __wide_err A wide string to return on failed conversions.
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*/
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explicit
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wstring_convert(const byte_string& __byte_err,
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const wide_string& __wide_err = wide_string())
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: _M_cvt(new _Codecvt),
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_M_byte_err_string(__byte_err), _M_wide_err_string(__wide_err),
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_M_with_strings(true)
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{
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if (!_M_cvt)
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__throw_logic_error("wstring_convert");
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}
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~wstring_convert() = default;
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 2176. Special members for wstring_convert and wbuffer_convert
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wstring_convert(const wstring_convert&) = delete;
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wstring_convert& operator=(const wstring_convert&) = delete;
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/// @{ Convert from bytes.
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wide_string
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from_bytes(char __byte)
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{
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char __bytes[2] = { __byte };
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return from_bytes(__bytes, __bytes+1);
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}
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wide_string
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from_bytes(const char* __ptr)
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{ return from_bytes(__ptr, __ptr+char_traits<char>::length(__ptr)); }
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wide_string
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from_bytes(const byte_string& __str)
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{
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auto __ptr = __str.data();
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return from_bytes(__ptr, __ptr + __str.size());
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}
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wide_string
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from_bytes(const char* __first, const char* __last)
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{
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auto __errstr = _M_with_strings ? &_M_wide_err_string : nullptr;
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_ConvFn<char, _Elem> __fn = &_Codecvt::in;
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return _M_conv(__first, __last, __errstr, __fn);
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}
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/// @}
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/// @{ Convert to bytes.
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byte_string
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to_bytes(_Elem __wchar)
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{
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_Elem __wchars[2] = { __wchar };
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return to_bytes(__wchars, __wchars+1);
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}
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byte_string
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to_bytes(const _Elem* __ptr)
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{
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return to_bytes(__ptr, __ptr+wide_string::traits_type::length(__ptr));
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}
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byte_string
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to_bytes(const wide_string& __wstr)
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{
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auto __ptr = __wstr.data();
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return to_bytes(__ptr, __ptr + __wstr.size());
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}
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byte_string
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to_bytes(const _Elem* __first, const _Elem* __last)
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{
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auto __errstr = _M_with_strings ? &_M_byte_err_string : nullptr;
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_ConvFn<_Elem, char> __fn = &_Codecvt::out;
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return _M_conv(__first, __last, __errstr, __fn);
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}
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/// @}
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 2174. wstring_convert::converted() should be noexcept
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/// The number of elements successfully converted in the last conversion.
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size_t converted() const noexcept { return _M_count; }
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/// The final conversion state of the last conversion.
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state_type state() const { return _M_state; }
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private:
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template<typename _InC, typename _OutC>
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using _ConvFn
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= codecvt_base::result
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(_Codecvt::*)(state_type&, const _InC*, const _InC*, const _InC*&,
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_OutC*, _OutC*, _OutC*&) const;
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template<typename _InChar, typename _OutStr, typename _MemFn>
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_OutStr
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_M_conv(const _InChar* __first, const _InChar* __last,
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const _OutStr* __err, _MemFn __memfn)
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{
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if (!_M_with_cvtstate)
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_M_state = state_type();
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auto __outstr = __err ? _OutStr(__err->get_allocator()) : _OutStr();
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size_t __outchars = 0;
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auto __next = __first;
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codecvt_base::result __result;
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do
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{
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__outstr.resize(__outstr.size() + (__last - __next));
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auto __outnext = &__outstr.front() + __outchars;
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auto const __outlast = &__outstr.back() + 1;
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__result = ((*_M_cvt).*__memfn)(_M_state, __next, __last, __next,
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__outnext, __outlast, __outnext);
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__outchars = __outnext - &__outstr.front();
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}
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while (__result == codecvt_base::partial && __next != __last);
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__outstr.resize(__outchars);
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_M_count = __next - __first;
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if (__result != codecvt_base::error)
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return __outstr;
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else if (__err)
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return *__err;
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else
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__throw_range_error("wstring_convert");
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}
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unique_ptr<_Codecvt> _M_cvt;
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byte_string _M_byte_err_string;
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wide_string _M_wide_err_string;
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state_type _M_state = state_type();
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size_t _M_count = 0;
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bool _M_with_cvtstate = false;
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bool _M_with_strings = false;
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};
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/// Buffer conversions
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template<typename _Codecvt, typename _Elem = wchar_t,
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typename _Tr = char_traits<_Elem>>
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class wbuffer_convert : public basic_streambuf<_Elem, _Tr>
|
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{
|
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typedef basic_streambuf<_Elem, _Tr> _Wide_streambuf;
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||||
public:
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typedef typename _Codecvt::state_type state_type;
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|
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/** Default constructor.
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*
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* @param __bytebuf The underlying byte stream buffer.
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* @param __pcvt The facet to use for conversions.
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||||
* @param __state Initial conversion state.
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||||
*
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||||
* Takes ownership of @p __pcvt and will delete it in the destructor.
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*/
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explicit
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wbuffer_convert(streambuf* __bytebuf = 0, _Codecvt* __pcvt = new _Codecvt,
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state_type __state = state_type())
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: _M_buf(__bytebuf), _M_cvt(__pcvt), _M_state(__state)
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||||
{
|
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if (!_M_cvt)
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__throw_logic_error("wstring_convert");
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||||
|
||||
_M_always_noconv = _M_cvt->always_noconv();
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||||
if (_M_buf)
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||||
{
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this->setp(_M_put_area, _M_put_area + _S_buffer_length);
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||||
this->setg(_M_get_area + _S_putback_length,
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_M_get_area + _S_putback_length,
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_M_get_area + _S_putback_length);
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||||
}
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}
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|
||||
~wbuffer_convert() = default;
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|
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 2176. Special members for wstring_convert and wbuffer_convert
|
||||
wbuffer_convert(const wbuffer_convert&) = delete;
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wbuffer_convert& operator=(const wbuffer_convert&) = delete;
|
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||||
streambuf* rdbuf() const noexcept { return _M_buf; }
|
||||
|
||||
streambuf*
|
||||
rdbuf(streambuf *__bytebuf) noexcept
|
||||
{
|
||||
auto __prev = _M_buf;
|
||||
_M_buf = __bytebuf;
|
||||
return __prev;
|
||||
}
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|
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/// The conversion state following the last conversion.
|
||||
state_type state() const noexcept { return _M_state; }
|
||||
|
||||
protected:
|
||||
int
|
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sync()
|
||||
{ return _M_buf && _M_conv_put() && _M_buf->pubsync() ? 0 : -1; }
|
||||
|
||||
typename _Wide_streambuf::int_type
|
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overflow(typename _Wide_streambuf::int_type __out)
|
||||
{
|
||||
if (!_M_buf || !_M_conv_put())
|
||||
return _Tr::eof();
|
||||
else if (!_Tr::eq_int_type(__out, _Tr::eof()))
|
||||
return this->sputc(__out);
|
||||
return _Tr::not_eof(__out);
|
||||
}
|
||||
|
||||
typename _Wide_streambuf::int_type
|
||||
underflow()
|
||||
{
|
||||
if (!_M_buf)
|
||||
return _Tr::eof();
|
||||
|
||||
if (this->gptr() < this->egptr() || (_M_buf && _M_conv_get()))
|
||||
return _Tr::to_int_type(*this->gptr());
|
||||
else
|
||||
return _Tr::eof();
|
||||
}
|
||||
|
||||
streamsize
|
||||
xsputn(const typename _Wide_streambuf::char_type* __s, streamsize __n)
|
||||
{
|
||||
if (!_M_buf || __n == 0)
|
||||
return 0;
|
||||
streamsize __done = 0;
|
||||
do
|
||||
{
|
||||
auto __nn = std::min<streamsize>(this->epptr() - this->pptr(),
|
||||
__n - __done);
|
||||
_Tr::copy(this->pptr(), __s + __done, __nn);
|
||||
this->pbump(__nn);
|
||||
__done += __nn;
|
||||
} while (__done < __n && _M_conv_put());
|
||||
return __done;
|
||||
}
|
||||
|
||||
private:
|
||||
// fill the get area from converted contents of the byte stream buffer
|
||||
bool
|
||||
_M_conv_get()
|
||||
{
|
||||
const streamsize __pb1 = this->gptr() - this->eback();
|
||||
const streamsize __pb2 = _S_putback_length;
|
||||
const streamsize __npb = std::min(__pb1, __pb2);
|
||||
|
||||
_Tr::move(_M_get_area + _S_putback_length - __npb,
|
||||
this->gptr() - __npb, __npb);
|
||||
|
||||
streamsize __nbytes = sizeof(_M_get_buf) - _M_unconv;
|
||||
__nbytes = std::min(__nbytes, _M_buf->in_avail());
|
||||
if (__nbytes < 1)
|
||||
__nbytes == 1;
|
||||
__nbytes = _M_buf->sgetn(_M_get_buf + _M_unconv, __nbytes);
|
||||
if (__nbytes < 1)
|
||||
return false;
|
||||
__nbytes += _M_unconv;
|
||||
|
||||
// convert _M_get_buf into _M_get_area
|
||||
|
||||
_Elem* __outbuf = _M_get_area + _S_putback_length;
|
||||
_Elem* __outnext = __outbuf;
|
||||
const char* __bnext = _M_get_buf;
|
||||
|
||||
codecvt_base::result __result;
|
||||
if (_M_always_noconv)
|
||||
__result = codecvt_base::noconv;
|
||||
else
|
||||
{
|
||||
_Elem* __outend = _M_get_area + _S_buffer_length;
|
||||
|
||||
__result = _M_cvt->in(_M_state,
|
||||
__bnext, __bnext + __nbytes, __bnext,
|
||||
__outbuf, __outend, __outnext);
|
||||
}
|
||||
|
||||
if (__result == codecvt_base::noconv)
|
||||
{
|
||||
// cast is safe because noconv means _Elem is same type as char
|
||||
auto __get_buf = reinterpret_cast<const _Elem*>(_M_get_buf);
|
||||
_Tr::copy(__outbuf, __get_buf, __nbytes);
|
||||
_M_unconv = 0;
|
||||
return true;
|
||||
}
|
||||
|
||||
if ((_M_unconv = _M_get_buf + __nbytes - __bnext))
|
||||
char_traits<char>::move(_M_get_buf, __bnext, _M_unconv);
|
||||
|
||||
this->setg(__outbuf, __outbuf, __outnext);
|
||||
|
||||
return __result != codecvt_base::error;
|
||||
}
|
||||
|
||||
// unused
|
||||
bool
|
||||
_M_put(...)
|
||||
{ return false; }
|
||||
|
||||
bool
|
||||
_M_put(const char* __p, streamsize __n)
|
||||
{
|
||||
if (_M_buf->sputn(__p, __n) < __n)
|
||||
return false;
|
||||
}
|
||||
|
||||
// convert the put area and write to the byte stream buffer
|
||||
bool
|
||||
_M_conv_put()
|
||||
{
|
||||
_Elem* const __first = this->pbase();
|
||||
const _Elem* const __last = this->pptr();
|
||||
const streamsize __pending = __last - __first;
|
||||
|
||||
if (_M_always_noconv)
|
||||
return _M_put(__first, __pending);
|
||||
|
||||
char __outbuf[2 * _S_buffer_length];
|
||||
|
||||
const _Elem* __next = __first;
|
||||
const _Elem* __start;
|
||||
do
|
||||
{
|
||||
__start = __next;
|
||||
char* __outnext = __outbuf;
|
||||
char* const __outlast = __outbuf + sizeof(__outbuf);
|
||||
auto __result = _M_cvt->out(_M_state, __next, __last, __next,
|
||||
__outnext, __outlast, __outnext);
|
||||
if (__result == codecvt_base::error)
|
||||
return false;
|
||||
else if (__result == codecvt_base::noconv)
|
||||
return _M_put(__next, __pending);
|
||||
|
||||
if (!_M_put(__outbuf, __outnext - __outbuf))
|
||||
return false;
|
||||
}
|
||||
while (__next != __last && __next != __start);
|
||||
|
||||
if (__next != __last)
|
||||
_Tr::move(__first, __next, __last - __next);
|
||||
|
||||
this->pbump(__first - __next);
|
||||
return __next != __first;
|
||||
}
|
||||
|
||||
streambuf* _M_buf;
|
||||
unique_ptr<_Codecvt> _M_cvt;
|
||||
state_type _M_state;
|
||||
|
||||
static const streamsize _S_buffer_length = 32;
|
||||
static const streamsize _S_putback_length = 3;
|
||||
_Elem _M_put_area[_S_buffer_length];
|
||||
_Elem _M_get_area[_S_buffer_length];
|
||||
streamsize _M_unconv = 0;
|
||||
char _M_get_buf[_S_buffer_length-_S_putback_length];
|
||||
bool _M_always_noconv;
|
||||
};
|
||||
|
||||
/// @} group locales
|
||||
|
||||
#endif // _GLIBCXX_USE_WCHAR_T
|
||||
|
||||
_GLIBCXX_END_NAMESPACE_VERSION
|
||||
} // namespace
|
||||
|
||||
#endif // __cplusplus
|
||||
|
||||
#endif /* _LOCALE_CONV_H */
|
|
@ -39,5 +39,8 @@
|
|||
#include <bits/locale_classes.h>
|
||||
#include <bits/locale_facets.h>
|
||||
#include <bits/locale_facets_nonio.h>
|
||||
#if __cplusplus >= 201103L
|
||||
# include <bits/locale_conv.h>
|
||||
#endif
|
||||
|
||||
#endif /* _GLIBCXX_LOCALE */
|
||||
|
|
|
@ -0,0 +1,36 @@
|
|||
// { dg-do compile }
|
||||
// { dg-options "-std=gnu++11" }
|
||||
|
||||
// Copyright (C) 2012 Free Software Foundation
|
||||
//
|
||||
// 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
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
// 22.3.3.2.3 Buffer conversions
|
||||
|
||||
#include <locale>
|
||||
#include <type_traits>
|
||||
|
||||
void test01()
|
||||
{
|
||||
// Check for required typedefs
|
||||
struct cvt_type : std::codecvt<wchar_t, char, mbstate_t> { };
|
||||
typedef std::char_traits<wchar_t> traits_type;
|
||||
typedef std::wbuffer_convert<cvt_type, wchar_t, traits_type> test_type;
|
||||
typedef test_type::state_type state_type;
|
||||
|
||||
static_assert( std::is_same<cvt_type::state_type, state_type>::value,
|
||||
"state type" );
|
||||
}
|
|
@ -0,0 +1,74 @@
|
|||
// { dg-do compile }
|
||||
// { dg-options "-std=gnu++11" }
|
||||
|
||||
// Copyright (C) 2012 Free Software Foundation
|
||||
//
|
||||
// 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
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
// 22.3.3.2.2 String conversions
|
||||
|
||||
#include <locale>
|
||||
#include <string>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
template<typename Elem>
|
||||
struct cvt : std::codecvt<Elem, char, std::mbstate_t> { };
|
||||
|
||||
template<typename Elem>
|
||||
using str_conv = std::wstring_convert<cvt<Elem>, Elem>;
|
||||
|
||||
using std::string;
|
||||
using std::wstring;
|
||||
|
||||
void test01()
|
||||
{
|
||||
typedef str_conv<char> sc; // noconv
|
||||
sc c;
|
||||
string input = "King for a day...";
|
||||
string output = c.from_bytes(input);
|
||||
VERIFY( input == output );
|
||||
VERIFY( c.converted() == output.length() );
|
||||
string roundtrip = c.to_bytes(output);
|
||||
VERIFY( input == roundtrip );
|
||||
VERIFY( c.converted() == roundtrip.length() );
|
||||
}
|
||||
|
||||
void test02()
|
||||
{
|
||||
typedef str_conv<wchar_t> wsc;
|
||||
wsc c;
|
||||
string input = "Fool for a lifetime";
|
||||
wstring output = c.from_bytes(input);
|
||||
VERIFY( c.converted() == output.length() );
|
||||
VERIFY( L"Fool for a lifetime" == output );
|
||||
string roundtrip = c.to_bytes(output);
|
||||
VERIFY( input == roundtrip );
|
||||
VERIFY( c.converted() == roundtrip.length() );
|
||||
|
||||
VERIFY( c.from_bytes(input[0]) == output.substr(0, 1) );
|
||||
VERIFY( c.from_bytes(input.c_str()) == output );
|
||||
VERIFY( c.from_bytes(input.data(), input.data()+input.size()) == output );
|
||||
|
||||
VERIFY( c.to_bytes(output[0]) == input.substr(0, 1) );
|
||||
VERIFY( c.to_bytes(output.c_str()) == input );
|
||||
VERIFY( c.to_bytes(output.data(), output.data()+output.size()) == input );
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
test02();
|
||||
}
|
|
@ -0,0 +1,60 @@
|
|||
// { dg-options "-std=gnu++11" }
|
||||
|
||||
// Copyright (C) 2012 Free Software Foundation
|
||||
//
|
||||
// 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
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
// 22.3.3.2.2 String conversions
|
||||
|
||||
#include <locale>
|
||||
#include <string>
|
||||
#include <testsuite_hooks.h>
|
||||
|
||||
template<typename Elem>
|
||||
struct cvt : std::codecvt<Elem, char, std::mbstate_t> { };
|
||||
|
||||
template<typename Elem>
|
||||
using str_conv = std::wstring_convert<cvt<Elem>, Elem>;
|
||||
|
||||
using std::string;
|
||||
using std::wstring;
|
||||
|
||||
// test conversion errors, with and without error strings
|
||||
|
||||
void test01()
|
||||
{
|
||||
typedef str_conv<wchar_t> sc;
|
||||
|
||||
const sc::byte_string berr = "invalid wide string";
|
||||
const sc::wide_string werr = L"invalid byte string";
|
||||
|
||||
sc c(berr, werr);
|
||||
string input = "Stop";
|
||||
input += char(0xff);
|
||||
input += char(0xff);
|
||||
wstring woutput = c.from_bytes(input);
|
||||
VERIFY( werr == woutput );
|
||||
wstring winput = L"Stop";
|
||||
winput += wchar_t(0xff);
|
||||
winput += wchar_t(0xff);
|
||||
string output = c.to_bytes(winput);
|
||||
VERIFY( berr == output );
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
test01();
|
||||
}
|
|
@ -0,0 +1,41 @@
|
|||
// { dg-do compile }
|
||||
// { dg-options "-std=gnu++11" }
|
||||
|
||||
// Copyright (C) 2012 Free Software Foundation
|
||||
//
|
||||
// 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
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
// 22.3.3.2.2 String conversions
|
||||
|
||||
#include <locale>
|
||||
#include <string>
|
||||
#include <type_traits>
|
||||
#include <testsuite_allocator.h>
|
||||
|
||||
template<typename T>
|
||||
using alloc = __gnu_test::uneq_allocator<T>;
|
||||
|
||||
template<typename C>
|
||||
using Str = std::basic_string<C, std::char_traits<C>, alloc<C>>;
|
||||
|
||||
struct cvt : std::codecvt<wchar_t, char, std::mbstate_t> { };
|
||||
|
||||
using wconv = std::wstring_convert<cvt, wchar_t, alloc<wchar_t>, alloc<char>>;
|
||||
|
||||
static_assert( std::is_same<wconv::byte_string, Str<char>>::value,
|
||||
"byte string is std::string" );
|
||||
static_assert( std::is_same<wconv::wide_string, Str<wchar_t>>::value,
|
||||
"wide string is std::wstring" );
|
|
@ -0,0 +1,34 @@
|
|||
// { dg-do compile }
|
||||
// { dg-options "-std=gnu++11" }
|
||||
|
||||
// Copyright (C) 2012 Free Software Foundation
|
||||
//
|
||||
// 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
|
||||
// terms of the GNU General Public License as published by the
|
||||
// Free Software Foundation; either version 3, or (at your option)
|
||||
// any later version.
|
||||
|
||||
// This library is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
|
||||
// You should have received a copy of the GNU General Public License along
|
||||
// with this library; see the file COPYING3. If not see
|
||||
// <http://www.gnu.org/licenses/>.
|
||||
|
||||
// 22.3.3.2.2 String conversions
|
||||
|
||||
#include <locale>
|
||||
|
||||
void test01()
|
||||
{
|
||||
// Check for required typedefs
|
||||
typedef std::codecvt<wchar_t, char, mbstate_t> codecvt_type;
|
||||
typedef std::wstring_convert<codecvt_type> test_type;
|
||||
typedef test_type::byte_string byte_string;
|
||||
typedef test_type::wide_string wide_string;
|
||||
typedef test_type::state_type state_type;
|
||||
typedef test_type::int_type int_type;
|
||||
}
|
Loading…
Reference in New Issue