2001-08-08 04:49:01 +02:00
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// Locale support (codecvt) -*- C++ -*-
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2005-01-07 20:34:46 +01:00
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// Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005
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// Free Software Foundation, Inc.
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2001-08-08 04:49:01 +02:00
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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 2, 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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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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2005-08-17 04:28:44 +02:00
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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2001-08-08 04:49:01 +02:00
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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//
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// ISO C++ 14882: 22.2.1.5 Template class codecvt
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//
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2005-01-07 20:34:46 +01:00
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// Written by Benjamin Kosnik <bkoz@redhat.com>
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2001-08-08 04:49:01 +02:00
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locale_facets.h (isspace, [...]): Add doxygen markup.
2004-11-22 Benjamin Kosnik <bkoz@redhat.com>
* include/bits/locale_facets.h (isspace, isprint, isupper,
islower, isalpha, isdigit, ispunct, isxdigit, isalnum, isgraph,
toupper, tolower): Add doxygen markup.
(codecvt_byname, ctype_byname, numpunct_byname, collate_byname,
time_get_byname, time_put_byname, moneypunct_byname,
messages_byname): Same.
* include/std/std_fstream.h: Remove superfluous markup.
* include/std/std_sstream.h: Same.
* include/std/std_streambuf.h: Same.
* include/ext/enc_filebuf.h: Adjust markup.
* include/ext/stdio_filebuf.h: Same.
* include/ext/stdio_sync_filebuf.h: Same.
* include/bits/codecvt.h: Same.
* config/os/gnu-linux/ctype_base.h: Same.
* config/locale/ieee_1003.1-2001/codecvt_specializations.h: Same.
* include/tr1/array: Add markup.
* include/tr1/tuple: Same.
* docs/doxygen/run_doxygen: Print arguments.
* docs/doxygen/user.cfg.in: Tweaks.
From-SVN: r91080
2004-11-23 10:18:41 +01:00
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/** @file bits/codecvt_specializations.h
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2005-01-07 20:34:46 +01:00
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* This file is a GNU extension to the Standard C++ Library.
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locale_facets.h (isspace, [...]): Add doxygen markup.
2004-11-22 Benjamin Kosnik <bkoz@redhat.com>
* include/bits/locale_facets.h (isspace, isprint, isupper,
islower, isalpha, isdigit, ispunct, isxdigit, isalnum, isgraph,
toupper, tolower): Add doxygen markup.
(codecvt_byname, ctype_byname, numpunct_byname, collate_byname,
time_get_byname, time_put_byname, moneypunct_byname,
messages_byname): Same.
* include/std/std_fstream.h: Remove superfluous markup.
* include/std/std_sstream.h: Same.
* include/std/std_streambuf.h: Same.
* include/ext/enc_filebuf.h: Adjust markup.
* include/ext/stdio_filebuf.h: Same.
* include/ext/stdio_sync_filebuf.h: Same.
* include/bits/codecvt.h: Same.
* config/os/gnu-linux/ctype_base.h: Same.
* config/locale/ieee_1003.1-2001/codecvt_specializations.h: Same.
* include/tr1/array: Add markup.
* include/tr1/tuple: Same.
* docs/doxygen/run_doxygen: Print arguments.
* docs/doxygen/user.cfg.in: Tweaks.
From-SVN: r91080
2004-11-23 10:18:41 +01:00
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*/
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2002-02-01 04:20:39 +01:00
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// XXX
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2003-04-27 21:51:25 +02:00
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// Define this here so codecvt.cc can have _S_max_size definition.
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2005-01-07 20:34:46 +01:00
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#define _GLIBCXX_USE_ENCODING_STATE 1
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2001-08-08 04:49:01 +02:00
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2005-01-07 20:34:46 +01:00
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namespace __gnu_cxx
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{
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2004-11-05 20:58:03 +01:00
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/// @brief Extension to use icov for dealing with character encodings.
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// This includes conversions and comparisons between various character
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2002-02-01 04:20:39 +01:00
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// sets. This object encapsulates data that may need to be shared between
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// char_traits, codecvt and ctype.
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2005-01-07 20:34:46 +01:00
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class encoding_state
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2001-08-08 04:49:01 +02:00
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{
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public:
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// Types:
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// NB: A conversion descriptor subsumes and enhances the
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// functionality of a simple state type such as mbstate_t.
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2005-01-07 20:34:46 +01:00
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typedef iconv_t descriptor_type;
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2001-08-08 04:49:01 +02:00
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protected:
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// Name of internal character set encoding.
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2005-01-07 20:34:46 +01:00
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std::string _M_int_enc;
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2001-08-08 04:49:01 +02:00
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// Name of external character set encoding.
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2005-01-07 20:34:46 +01:00
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std::string _M_ext_enc;
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2001-08-08 04:49:01 +02:00
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// Conversion descriptor between external encoding to internal encoding.
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2005-01-07 20:34:46 +01:00
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descriptor_type _M_in_desc;
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2001-08-08 04:49:01 +02:00
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// Conversion descriptor between internal encoding to external encoding.
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2005-01-07 20:34:46 +01:00
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descriptor_type _M_out_desc;
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2001-08-08 04:49:01 +02:00
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2005-01-07 20:34:46 +01:00
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// The byte-order marker for the external encoding, if necessary.
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2001-08-08 04:49:01 +02:00
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int _M_ext_bom;
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2005-01-07 20:34:46 +01:00
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// The byte-order marker for the internal encoding, if necessary.
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2001-08-08 04:49:01 +02:00
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int _M_int_bom;
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2005-01-07 20:34:46 +01:00
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// Number of external bytes needed to construct one complete
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// character in the internal encoding.
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// NB: -1 indicates variable, or stateful, encodings.
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int _M_bytes;
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2002-02-01 04:20:39 +01:00
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2005-01-07 20:34:46 +01:00
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public:
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explicit
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encoding_state()
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: _M_in_desc(0), _M_out_desc(0), _M_ext_bom(0), _M_int_bom(0), _M_bytes(0)
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{ }
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explicit
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encoding_state(const char* __int, const char* __ext,
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int __ibom = 0, int __ebom = 0, int __bytes = 1)
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: _M_int_enc(__int), _M_ext_enc(__ext), _M_in_desc(0), _M_out_desc(0),
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_M_ext_bom(__ebom), _M_int_bom(__ibom), _M_bytes(__bytes)
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{ init(); }
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2001-08-08 04:49:01 +02:00
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// 21.1.2 traits typedefs
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// p4
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// typedef STATE_T state_type
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// requires: state_type shall meet the requirements of
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// CopyConstructible types (20.1.3)
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2004-03-27 17:21:21 +01:00
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// NB: This does not preseve the actual state of the conversion
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// descriptor member, but it does duplicate the encoding
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// information.
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2005-01-07 20:34:46 +01:00
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encoding_state(const encoding_state& __obj) : _M_in_desc(0), _M_out_desc(0)
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{ construct(__obj); }
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2001-08-08 04:49:01 +02:00
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2002-02-01 04:20:39 +01:00
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// Need assignment operator as well.
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2005-01-07 20:34:46 +01:00
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encoding_state&
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operator=(const encoding_state& __obj)
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2002-02-01 04:20:39 +01:00
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{
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2005-01-07 20:34:46 +01:00
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construct(__obj);
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2002-05-26 16:35:04 +02:00
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return *this;
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2002-02-01 04:20:39 +01:00
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}
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2005-01-07 20:34:46 +01:00
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~encoding_state()
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{ destroy(); }
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2001-08-08 04:49:01 +02:00
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2005-01-07 20:34:46 +01:00
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bool
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good() const throw()
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{
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const descriptor_type __err = reinterpret_cast<iconv_t>(-1);
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bool __test = _M_in_desc && _M_in_desc != __err;
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__test &= _M_out_desc && _M_out_desc != __err;
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return __test;
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}
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int
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character_ratio() const
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{ return _M_bytes; }
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const std::string
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internal_encoding() const
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{ return _M_int_enc; }
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int
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internal_bom() const
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{ return _M_int_bom; }
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const std::string
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external_encoding() const
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{ return _M_ext_enc; }
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int
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external_bom() const
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{ return _M_ext_bom; }
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const descriptor_type&
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in_descriptor() const
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{ return _M_in_desc; }
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const descriptor_type&
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out_descriptor() const
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{ return _M_out_desc; }
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protected:
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2001-08-08 04:49:01 +02:00
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void
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2005-01-07 20:34:46 +01:00
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init()
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2001-08-08 04:49:01 +02:00
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{
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2005-01-07 20:34:46 +01:00
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const descriptor_type __err = reinterpret_cast<iconv_t>(-1);
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const bool __have_encodings = _M_int_enc.size() && _M_ext_enc.size();
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if (!_M_in_desc && __have_encodings)
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2002-02-01 04:20:39 +01:00
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{
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2005-01-07 20:34:46 +01:00
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_M_in_desc = iconv_open(_M_int_enc.c_str(), _M_ext_enc.c_str());
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2002-02-01 04:20:39 +01:00
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if (_M_in_desc == __err)
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2005-01-07 20:34:46 +01:00
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std::__throw_runtime_error(__N("encoding_state::_M_init "
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"creating iconv input descriptor failed"));
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2002-02-01 04:20:39 +01:00
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}
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2005-01-07 20:34:46 +01:00
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if (!_M_out_desc && __have_encodings)
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2002-02-01 04:20:39 +01:00
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{
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2005-01-07 20:34:46 +01:00
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_M_out_desc = iconv_open(_M_ext_enc.c_str(), _M_int_enc.c_str());
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2002-02-01 04:20:39 +01:00
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if (_M_out_desc == __err)
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2005-01-07 20:34:46 +01:00
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std::__throw_runtime_error(__N("encoding_state::_M_init "
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2004-01-27 01:49:03 +01:00
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"creating iconv output descriptor failed"));
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2002-02-01 04:20:39 +01:00
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}
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2001-08-08 04:49:01 +02:00
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}
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2004-03-27 17:21:21 +01:00
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void
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2005-01-07 20:34:46 +01:00
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construct(const encoding_state& __obj)
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2004-03-27 17:21:21 +01:00
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{
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2005-01-07 20:34:46 +01:00
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destroy();
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_M_int_enc = __obj._M_int_enc;
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_M_ext_enc = __obj._M_ext_enc;
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_M_ext_bom = __obj._M_ext_bom;
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_M_int_bom = __obj._M_int_bom;
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_M_bytes = __obj._M_bytes;
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init();
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}
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void
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destroy() throw()
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{
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const descriptor_type __err = reinterpret_cast<iconv_t>(-1);
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2004-03-27 17:21:21 +01:00
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if (_M_in_desc && _M_in_desc != __err)
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{
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iconv_close(_M_in_desc);
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_M_in_desc = 0;
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}
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if (_M_out_desc && _M_out_desc != __err)
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{
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iconv_close(_M_out_desc);
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_M_out_desc = 0;
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}
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}
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2005-01-07 20:34:46 +01:00
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};
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2004-03-27 17:21:21 +01:00
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2005-01-07 20:34:46 +01:00
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/// @brief encoding_char_traits.
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// Custom traits type with encoding_state for the state type, and the
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// associated fpos<encoding_state> for the position type, all other
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// bits equivalent to the required char_traits instantiations.
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template<typename _CharT>
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struct encoding_char_traits : public std::char_traits<_CharT>
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{
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typedef encoding_state state_type;
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typedef typename std::fpos<state_type> pos_type;
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};
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} // namespace __gnu_cxx
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2002-02-01 04:20:39 +01:00
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2005-01-07 20:34:46 +01:00
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namespace std
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{
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using __gnu_cxx::encoding_state;
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2001-08-08 04:49:01 +02:00
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2005-01-07 20:34:46 +01:00
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/// @brief codecvt<InternT, _ExternT, encoding_state> specialization.
|
locale_facets.h (isspace, [...]): Add doxygen markup.
2004-11-22 Benjamin Kosnik <bkoz@redhat.com>
* include/bits/locale_facets.h (isspace, isprint, isupper,
islower, isalpha, isdigit, ispunct, isxdigit, isalnum, isgraph,
toupper, tolower): Add doxygen markup.
(codecvt_byname, ctype_byname, numpunct_byname, collate_byname,
time_get_byname, time_put_byname, moneypunct_byname,
messages_byname): Same.
* include/std/std_fstream.h: Remove superfluous markup.
* include/std/std_sstream.h: Same.
* include/std/std_streambuf.h: Same.
* include/ext/enc_filebuf.h: Adjust markup.
* include/ext/stdio_filebuf.h: Same.
* include/ext/stdio_sync_filebuf.h: Same.
* include/bits/codecvt.h: Same.
* config/os/gnu-linux/ctype_base.h: Same.
* config/locale/ieee_1003.1-2001/codecvt_specializations.h: Same.
* include/tr1/array: Add markup.
* include/tr1/tuple: Same.
* docs/doxygen/run_doxygen: Print arguments.
* docs/doxygen/user.cfg.in: Tweaks.
From-SVN: r91080
2004-11-23 10:18:41 +01:00
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// This partial specialization takes advantage of iconv to provide
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// code conversions between a large number of character encodings.
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2001-08-08 04:49:01 +02:00
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template<typename _InternT, typename _ExternT>
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2005-01-07 20:34:46 +01:00
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class codecvt<_InternT, _ExternT, encoding_state>
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: public __codecvt_abstract_base<_InternT, _ExternT, encoding_state>
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2001-08-08 04:49:01 +02:00
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{
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public:
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// Types:
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typedef codecvt_base::result result;
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typedef _InternT intern_type;
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typedef _ExternT extern_type;
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2005-01-07 20:34:46 +01:00
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typedef __gnu_cxx::encoding_state state_type;
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typedef state_type::descriptor_type descriptor_type;
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2001-08-08 04:49:01 +02:00
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// Data Members:
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static locale::id id;
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explicit
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codecvt(size_t __refs = 0)
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: __codecvt_abstract_base<intern_type, extern_type, state_type>(__refs)
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{ }
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explicit
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2005-01-07 20:34:46 +01:00
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codecvt(state_type& __enc, size_t __refs = 0)
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2001-08-08 04:49:01 +02:00
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: __codecvt_abstract_base<intern_type, extern_type, state_type>(__refs)
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{ }
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2005-01-07 20:34:46 +01:00
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protected:
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2001-08-08 04:49:01 +02:00
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virtual
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~codecvt() { }
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virtual result
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do_out(state_type& __state, const intern_type* __from,
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const intern_type* __from_end, const intern_type*& __from_next,
|
|
|
|
extern_type* __to, extern_type* __to_end,
|
|
|
|
extern_type*& __to_next) const;
|
|
|
|
|
|
|
|
virtual result
|
|
|
|
do_unshift(state_type& __state, extern_type* __to,
|
|
|
|
extern_type* __to_end, extern_type*& __to_next) const;
|
|
|
|
|
|
|
|
virtual result
|
|
|
|
do_in(state_type& __state, const extern_type* __from,
|
|
|
|
const extern_type* __from_end, const extern_type*& __from_next,
|
|
|
|
intern_type* __to, intern_type* __to_end,
|
|
|
|
intern_type*& __to_next) const;
|
|
|
|
|
|
|
|
virtual int
|
|
|
|
do_encoding() const throw();
|
|
|
|
|
|
|
|
virtual bool
|
|
|
|
do_always_noconv() const throw();
|
|
|
|
|
|
|
|
virtual int
|
[multiple changes]
2003-02-06 Benjamin Kosnik <bkoz@redhat.com>
* testsuite/22_locale/codecvt/encoding/wchar_t/1.cc (test01):
Explicitly use the "C" locale.
* testsuite/22_locale/codecvt/max_length/wchar_t/1.cc (test01): Same.
2003-02-06 Petur Runolfsson <peturr02@ru.is>
DR 75
DR 305
PR libstdc++/9028 (partial)
PR libstdc++/9224
PR libstdc++/9246
PR libstdc++/9247
* src/codecvt.cc
(codecvt<wchar_t, char, mbstate_t>::do_encoding,
codecvt<wchar_t, char, mbstate_t>::do_length,
codecvt<wchar_t, char, mbstate_t>::do_max_length):
Move...
* config/locale/generic/codecvt_members.cc: ...here.
* config/locale/gnu/codecvt_members.cc: ...and here.
* config/locale/generic/codecvt_members.cc,
* config/locale/gnu/codecvt_members.cc
(codecvt<wchar_t, char, mbstate_t>::do_encoding
codecvt<wchar_t, char, mbstate_t>::do_in,
codecvt<wchar_t, char, mbstate_t>::do_length,
codecvt<wchar_t, char, mbstate_t>::do_max_length,
codecvt<wchar_t, char, mbstate_t>::do_out):
New implementation that handles stateless encodings,
including UTF-8.
* config/locale/generic/codecvt_members.cc,
* config/locale/gnu/codecvt_members.cc,
* config/locale/ieee_1003.1-2001/codecvt_specializations.h,
* include/bits/codecvt.h,
* src/codecvt.cc
(codecvt::length, codecvt::do_length):
Change type of first argument of length and do_length from
'const state_type&' to 'state_type&' according to DR 75.
* testsuite/22_locale/codecvt/always_noconv/wchar_t/1.cc: Cleanup.
* testsuite/22_locale/codecvt/always_noconv/wchar_t/2.cc: New test.
* testsuite/22_locale/codecvt/always_noconv/wchar_t/3.cc: New test.
* testsuite/22_locale/codecvt/always_noconv/wchar_t/4.cc: New test.
* testsuite/22_locale/codecvt/encoding/wchar_t/1.cc:
Cleanup and check for correct return value from encoding
for "C" locale.
* testsuite/22_locale/codecvt/encoding/wchar_t/2.cc: New test.
* testsuite/22_locale/codecvt/encoding/wchar_t/3.cc: New test.
* testsuite/22_locale/codecvt/encoding/wchar_t/4.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/1.cc: Cleanup.
* testsuite/22_locale/codecvt/in/wchar_t/2.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/3.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/4.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/5.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/6.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/7.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/8.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/9.cc: New test.
* testsuite/22_locale/codecvt/length/char/1.cc: Cleanup.
* testsuite/22_locale/codecvt/length/char/2.cc: New test.
* testsuite/22_locale/codecvt/length/wchar_t/1.cc: Cleanup.
* testsuite/22_locale/codecvt/length/wchar_t/2.cc: New test.
* testsuite/22_locale/codecvt/length/wchar_t/3.cc: New test.
* testsuite/22_locale/codecvt/length/wchar_t/4.cc: New test.
* testsuite/22_locale/codecvt/length/wchar_t/5.cc: New test.
* testsuite/22_locale/codecvt/length/wchar_t/6.cc: New test.
* testsuite/22_locale/codecvt/length/wchar_t/7.cc: New test.
* testsuite/22_locale/codecvt/max_length/wchar_t/1.cc: Cleanup.
* testsuite/22_locale/codecvt/max_length/wchar_t/2.cc: New test.
* testsuite/22_locale/codecvt/max_length/wchar_t/3.cc: New test.
* testsuite/22_locale/codecvt/max_length/wchar_t/4.cc: New test.
* testsuite/22_locale/codecvt/out/wchar_t/1.cc: Cleanup.
* testsuite/22_locale/codecvt/out/wchar_t/2.cc: New test.
* testsuite/22_locale/codecvt/out/wchar_t/3.cc: New test.
* testsuite/22_locale/codecvt/out/wchar_t/4.cc: New test.
* testsuite/22_locale/codecvt/out/wchar_t/5.cc: New test.
* testsuite/22_locale/codecvt/out/wchar_t/6.cc: New test.
* testsuite/22_locale/codecvt/out/wchar_t/7.cc: New test.
* testsuite/22_locale/codecvt/unicode/1.cc: New test.
* testsuite/22_locale/codecvt/unshift/wchar_t/1.cc: Cleanup.
* testsuite/22_locale/codecvt/unshift/wchar_t/2.cc: New test.
* testsuite/22_locale/codecvt/unshift/wchar_t/3.cc: New test.
* testsuite/22_locale/codecvt/unshfit/wchar_t/4.cc: New test.
From-SVN: r62474
2003-02-06 07:24:21 +01:00
|
|
|
do_length(state_type&, const extern_type* __from,
|
2001-08-08 04:49:01 +02:00
|
|
|
const extern_type* __end, size_t __max) const;
|
|
|
|
|
|
|
|
virtual int
|
|
|
|
do_max_length() const throw();
|
|
|
|
};
|
|
|
|
|
|
|
|
template<typename _InternT, typename _ExternT>
|
|
|
|
locale::id
|
2005-01-07 20:34:46 +01:00
|
|
|
codecvt<_InternT, _ExternT, encoding_state>::id;
|
2001-08-08 04:49:01 +02:00
|
|
|
|
|
|
|
// This adaptor works around the signature problems of the second
|
|
|
|
// argument to iconv(): SUSv2 and others use 'const char**', but glibc 2.2
|
2002-02-08 02:34:41 +01:00
|
|
|
// uses 'char**', which matches the POSIX 1003.1-2001 standard.
|
|
|
|
// Using this adaptor, g++ will do the work for us.
|
2001-08-08 04:49:01 +02:00
|
|
|
template<typename _T>
|
|
|
|
inline size_t
|
2002-02-08 02:34:41 +01:00
|
|
|
__iconv_adaptor(size_t(*__func)(iconv_t, _T, size_t*, char**, size_t*),
|
|
|
|
iconv_t __cd, char** __inbuf, size_t* __inbytes,
|
|
|
|
char** __outbuf, size_t* __outbytes)
|
|
|
|
{ return __func(__cd, (_T)__inbuf, __inbytes, __outbuf, __outbytes); }
|
2001-08-08 04:49:01 +02:00
|
|
|
|
|
|
|
template<typename _InternT, typename _ExternT>
|
|
|
|
codecvt_base::result
|
2005-01-07 20:34:46 +01:00
|
|
|
codecvt<_InternT, _ExternT, encoding_state>::
|
2001-08-08 04:49:01 +02:00
|
|
|
do_out(state_type& __state, const intern_type* __from,
|
|
|
|
const intern_type* __from_end, const intern_type*& __from_next,
|
|
|
|
extern_type* __to, extern_type* __to_end,
|
|
|
|
extern_type*& __to_next) const
|
|
|
|
{
|
2003-01-16 21:30:50 +01:00
|
|
|
result __ret = codecvt_base::error;
|
2005-01-07 20:34:46 +01:00
|
|
|
if (__state.good())
|
2001-08-08 04:49:01 +02:00
|
|
|
{
|
2005-01-07 20:34:46 +01:00
|
|
|
const descriptor_type& __desc = __state.out_descriptor();
|
2002-04-01 10:55:05 +02:00
|
|
|
const size_t __fmultiple = sizeof(intern_type);
|
2002-02-08 02:34:41 +01:00
|
|
|
size_t __fbytes = __fmultiple * (__from_end - __from);
|
2002-04-01 10:55:05 +02:00
|
|
|
const size_t __tmultiple = sizeof(extern_type);
|
2002-02-08 02:34:41 +01:00
|
|
|
size_t __tbytes = __tmultiple * (__to_end - __to);
|
2001-08-08 04:49:01 +02:00
|
|
|
|
|
|
|
// Argument list for iconv specifies a byte sequence. Thus,
|
|
|
|
// all to/from arrays must be brutally casted to char*.
|
|
|
|
char* __cto = reinterpret_cast<char*>(__to);
|
|
|
|
char* __cfrom;
|
|
|
|
size_t __conv;
|
|
|
|
|
|
|
|
// Some encodings need a byte order marker as the first item
|
|
|
|
// in the byte stream, to designate endian-ness. The default
|
|
|
|
// value for the byte order marker is NULL, so if this is
|
|
|
|
// the case, it's not necessary and we can just go on our
|
|
|
|
// merry way.
|
2005-01-07 20:34:46 +01:00
|
|
|
int __int_bom = __state.internal_bom();
|
2001-08-08 04:49:01 +02:00
|
|
|
if (__int_bom)
|
|
|
|
{
|
|
|
|
size_t __size = __from_end - __from;
|
2004-11-24 14:39:48 +01:00
|
|
|
intern_type* __cfixed = static_cast<intern_type*>
|
|
|
|
(__builtin_alloca(sizeof(intern_type) * (__size + 1)));
|
2001-08-08 04:49:01 +02:00
|
|
|
__cfixed[0] = static_cast<intern_type>(__int_bom);
|
|
|
|
char_traits<intern_type>::copy(__cfixed + 1, __from, __size);
|
|
|
|
__cfrom = reinterpret_cast<char*>(__cfixed);
|
2005-01-07 20:34:46 +01:00
|
|
|
__conv = __iconv_adaptor(iconv, __desc, &__cfrom,
|
2002-02-08 02:34:41 +01:00
|
|
|
&__fbytes, &__cto, &__tbytes);
|
2001-08-08 04:49:01 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
intern_type* __cfixed = const_cast<intern_type*>(__from);
|
|
|
|
__cfrom = reinterpret_cast<char*>(__cfixed);
|
2005-01-07 20:34:46 +01:00
|
|
|
__conv = __iconv_adaptor(iconv, __desc, &__cfrom, &__fbytes,
|
2002-02-08 02:34:41 +01:00
|
|
|
&__cto, &__tbytes);
|
2001-08-08 04:49:01 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
if (__conv != size_t(-1))
|
|
|
|
{
|
|
|
|
__from_next = reinterpret_cast<const intern_type*>(__cfrom);
|
|
|
|
__to_next = reinterpret_cast<extern_type*>(__cto);
|
2003-01-16 21:30:50 +01:00
|
|
|
__ret = codecvt_base::ok;
|
2001-08-08 04:49:01 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2002-02-08 02:34:41 +01:00
|
|
|
if (__fbytes < __fmultiple * (__from_end - __from))
|
2001-08-08 04:49:01 +02:00
|
|
|
{
|
|
|
|
__from_next = reinterpret_cast<const intern_type*>(__cfrom);
|
|
|
|
__to_next = reinterpret_cast<extern_type*>(__cto);
|
2003-01-16 21:30:50 +01:00
|
|
|
__ret = codecvt_base::partial;
|
2001-08-08 04:49:01 +02:00
|
|
|
}
|
|
|
|
else
|
2003-01-16 21:30:50 +01:00
|
|
|
__ret = codecvt_base::error;
|
2001-08-08 04:49:01 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
return __ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
template<typename _InternT, typename _ExternT>
|
|
|
|
codecvt_base::result
|
2005-01-07 20:34:46 +01:00
|
|
|
codecvt<_InternT, _ExternT, encoding_state>::
|
2001-08-08 04:49:01 +02:00
|
|
|
do_unshift(state_type& __state, extern_type* __to,
|
|
|
|
extern_type* __to_end, extern_type*& __to_next) const
|
|
|
|
{
|
2003-01-16 21:30:50 +01:00
|
|
|
result __ret = codecvt_base::error;
|
2005-01-07 20:34:46 +01:00
|
|
|
if (__state.good())
|
2001-08-08 04:49:01 +02:00
|
|
|
{
|
2005-01-07 20:34:46 +01:00
|
|
|
const descriptor_type& __desc = __state.in_descriptor();
|
2002-04-01 10:55:05 +02:00
|
|
|
const size_t __tmultiple = sizeof(intern_type);
|
2001-08-08 04:49:01 +02:00
|
|
|
size_t __tlen = __tmultiple * (__to_end - __to);
|
|
|
|
|
|
|
|
// Argument list for iconv specifies a byte sequence. Thus,
|
|
|
|
// all to/from arrays must be brutally casted to char*.
|
|
|
|
char* __cto = reinterpret_cast<char*>(__to);
|
2005-01-07 20:34:46 +01:00
|
|
|
size_t __conv = __iconv_adaptor(iconv,__desc, NULL, NULL,
|
2001-08-08 04:49:01 +02:00
|
|
|
&__cto, &__tlen);
|
|
|
|
|
|
|
|
if (__conv != size_t(-1))
|
|
|
|
{
|
|
|
|
__to_next = reinterpret_cast<extern_type*>(__cto);
|
|
|
|
if (__tlen == __tmultiple * (__to_end - __to))
|
2003-01-16 21:30:50 +01:00
|
|
|
__ret = codecvt_base::noconv;
|
2001-08-08 04:49:01 +02:00
|
|
|
else if (__tlen == 0)
|
2003-01-16 21:30:50 +01:00
|
|
|
__ret = codecvt_base::ok;
|
2001-08-08 04:49:01 +02:00
|
|
|
else
|
2003-01-16 21:30:50 +01:00
|
|
|
__ret = codecvt_base::partial;
|
2001-08-08 04:49:01 +02:00
|
|
|
}
|
|
|
|
else
|
2003-01-16 21:30:50 +01:00
|
|
|
__ret = codecvt_base::error;
|
2001-08-08 04:49:01 +02:00
|
|
|
}
|
|
|
|
return __ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
template<typename _InternT, typename _ExternT>
|
|
|
|
codecvt_base::result
|
2005-01-07 20:34:46 +01:00
|
|
|
codecvt<_InternT, _ExternT, encoding_state>::
|
2001-08-08 04:49:01 +02:00
|
|
|
do_in(state_type& __state, const extern_type* __from,
|
|
|
|
const extern_type* __from_end, const extern_type*& __from_next,
|
|
|
|
intern_type* __to, intern_type* __to_end,
|
|
|
|
intern_type*& __to_next) const
|
|
|
|
{
|
2003-01-16 21:30:50 +01:00
|
|
|
result __ret = codecvt_base::error;
|
2005-01-07 20:34:46 +01:00
|
|
|
if (__state.good())
|
2001-08-08 04:49:01 +02:00
|
|
|
{
|
2005-01-07 20:34:46 +01:00
|
|
|
const descriptor_type& __desc = __state.in_descriptor();
|
2002-04-01 10:55:05 +02:00
|
|
|
const size_t __fmultiple = sizeof(extern_type);
|
2001-08-08 04:49:01 +02:00
|
|
|
size_t __flen = __fmultiple * (__from_end - __from);
|
2002-04-01 10:55:05 +02:00
|
|
|
const size_t __tmultiple = sizeof(intern_type);
|
2001-08-08 04:49:01 +02:00
|
|
|
size_t __tlen = __tmultiple * (__to_end - __to);
|
|
|
|
|
|
|
|
// Argument list for iconv specifies a byte sequence. Thus,
|
|
|
|
// all to/from arrays must be brutally casted to char*.
|
|
|
|
char* __cto = reinterpret_cast<char*>(__to);
|
|
|
|
char* __cfrom;
|
|
|
|
size_t __conv;
|
|
|
|
|
|
|
|
// Some encodings need a byte order marker as the first item
|
|
|
|
// in the byte stream, to designate endian-ness. The default
|
|
|
|
// value for the byte order marker is NULL, so if this is
|
|
|
|
// the case, it's not necessary and we can just go on our
|
|
|
|
// merry way.
|
2005-01-07 20:34:46 +01:00
|
|
|
int __ext_bom = __state.external_bom();
|
2001-08-08 04:49:01 +02:00
|
|
|
if (__ext_bom)
|
|
|
|
{
|
|
|
|
size_t __size = __from_end - __from;
|
2004-11-24 14:39:48 +01:00
|
|
|
extern_type* __cfixed = static_cast<extern_type*>
|
|
|
|
(__builtin_alloca(sizeof(extern_type) * (__size + 1)));
|
2001-08-08 04:49:01 +02:00
|
|
|
__cfixed[0] = static_cast<extern_type>(__ext_bom);
|
|
|
|
char_traits<extern_type>::copy(__cfixed + 1, __from, __size);
|
|
|
|
__cfrom = reinterpret_cast<char*>(__cfixed);
|
2005-01-07 20:34:46 +01:00
|
|
|
__conv = __iconv_adaptor(iconv, __desc, &__cfrom,
|
2001-08-08 04:49:01 +02:00
|
|
|
&__flen, &__cto, &__tlen);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
extern_type* __cfixed = const_cast<extern_type*>(__from);
|
|
|
|
__cfrom = reinterpret_cast<char*>(__cfixed);
|
2005-01-07 20:34:46 +01:00
|
|
|
__conv = __iconv_adaptor(iconv, __desc, &__cfrom,
|
2001-08-08 04:49:01 +02:00
|
|
|
&__flen, &__cto, &__tlen);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if (__conv != size_t(-1))
|
|
|
|
{
|
|
|
|
__from_next = reinterpret_cast<const extern_type*>(__cfrom);
|
|
|
|
__to_next = reinterpret_cast<intern_type*>(__cto);
|
2003-01-16 21:30:50 +01:00
|
|
|
__ret = codecvt_base::ok;
|
2001-08-08 04:49:01 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
if (__flen < static_cast<size_t>(__from_end - __from))
|
|
|
|
{
|
|
|
|
__from_next = reinterpret_cast<const extern_type*>(__cfrom);
|
|
|
|
__to_next = reinterpret_cast<intern_type*>(__cto);
|
2003-01-16 21:30:50 +01:00
|
|
|
__ret = codecvt_base::partial;
|
2001-08-08 04:49:01 +02:00
|
|
|
}
|
|
|
|
else
|
2003-01-16 21:30:50 +01:00
|
|
|
__ret = codecvt_base::error;
|
2001-08-08 04:49:01 +02:00
|
|
|
}
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}
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return __ret;
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}
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template<typename _InternT, typename _ExternT>
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int
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2005-01-07 20:34:46 +01:00
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codecvt<_InternT, _ExternT, encoding_state>::
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2001-08-08 04:49:01 +02:00
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do_encoding() const throw()
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2002-02-08 02:34:41 +01:00
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{
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int __ret = 0;
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if (sizeof(_ExternT) <= sizeof(_InternT))
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2005-01-07 20:34:46 +01:00
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__ret = sizeof(_InternT) / sizeof(_ExternT);
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2002-02-08 02:34:41 +01:00
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return __ret;
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}
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2001-08-08 04:49:01 +02:00
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template<typename _InternT, typename _ExternT>
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bool
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2005-01-07 20:34:46 +01:00
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codecvt<_InternT, _ExternT, encoding_state>::
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2001-08-08 04:49:01 +02:00
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do_always_noconv() const throw()
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{ return false; }
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template<typename _InternT, typename _ExternT>
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int
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2005-01-07 20:34:46 +01:00
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codecvt<_InternT, _ExternT, encoding_state>::
|
[multiple changes]
2003-02-06 Benjamin Kosnik <bkoz@redhat.com>
* testsuite/22_locale/codecvt/encoding/wchar_t/1.cc (test01):
Explicitly use the "C" locale.
* testsuite/22_locale/codecvt/max_length/wchar_t/1.cc (test01): Same.
2003-02-06 Petur Runolfsson <peturr02@ru.is>
DR 75
DR 305
PR libstdc++/9028 (partial)
PR libstdc++/9224
PR libstdc++/9246
PR libstdc++/9247
* src/codecvt.cc
(codecvt<wchar_t, char, mbstate_t>::do_encoding,
codecvt<wchar_t, char, mbstate_t>::do_length,
codecvt<wchar_t, char, mbstate_t>::do_max_length):
Move...
* config/locale/generic/codecvt_members.cc: ...here.
* config/locale/gnu/codecvt_members.cc: ...and here.
* config/locale/generic/codecvt_members.cc,
* config/locale/gnu/codecvt_members.cc
(codecvt<wchar_t, char, mbstate_t>::do_encoding
codecvt<wchar_t, char, mbstate_t>::do_in,
codecvt<wchar_t, char, mbstate_t>::do_length,
codecvt<wchar_t, char, mbstate_t>::do_max_length,
codecvt<wchar_t, char, mbstate_t>::do_out):
New implementation that handles stateless encodings,
including UTF-8.
* config/locale/generic/codecvt_members.cc,
* config/locale/gnu/codecvt_members.cc,
* config/locale/ieee_1003.1-2001/codecvt_specializations.h,
* include/bits/codecvt.h,
* src/codecvt.cc
(codecvt::length, codecvt::do_length):
Change type of first argument of length and do_length from
'const state_type&' to 'state_type&' according to DR 75.
* testsuite/22_locale/codecvt/always_noconv/wchar_t/1.cc: Cleanup.
* testsuite/22_locale/codecvt/always_noconv/wchar_t/2.cc: New test.
* testsuite/22_locale/codecvt/always_noconv/wchar_t/3.cc: New test.
* testsuite/22_locale/codecvt/always_noconv/wchar_t/4.cc: New test.
* testsuite/22_locale/codecvt/encoding/wchar_t/1.cc:
Cleanup and check for correct return value from encoding
for "C" locale.
* testsuite/22_locale/codecvt/encoding/wchar_t/2.cc: New test.
* testsuite/22_locale/codecvt/encoding/wchar_t/3.cc: New test.
* testsuite/22_locale/codecvt/encoding/wchar_t/4.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/1.cc: Cleanup.
* testsuite/22_locale/codecvt/in/wchar_t/2.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/3.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/4.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/5.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/6.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/7.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/8.cc: New test.
* testsuite/22_locale/codecvt/in/wchar_t/9.cc: New test.
* testsuite/22_locale/codecvt/length/char/1.cc: Cleanup.
* testsuite/22_locale/codecvt/length/char/2.cc: New test.
* testsuite/22_locale/codecvt/length/wchar_t/1.cc: Cleanup.
* testsuite/22_locale/codecvt/length/wchar_t/2.cc: New test.
* testsuite/22_locale/codecvt/length/wchar_t/3.cc: New test.
* testsuite/22_locale/codecvt/length/wchar_t/4.cc: New test.
* testsuite/22_locale/codecvt/length/wchar_t/5.cc: New test.
* testsuite/22_locale/codecvt/length/wchar_t/6.cc: New test.
* testsuite/22_locale/codecvt/length/wchar_t/7.cc: New test.
* testsuite/22_locale/codecvt/max_length/wchar_t/1.cc: Cleanup.
* testsuite/22_locale/codecvt/max_length/wchar_t/2.cc: New test.
* testsuite/22_locale/codecvt/max_length/wchar_t/3.cc: New test.
* testsuite/22_locale/codecvt/max_length/wchar_t/4.cc: New test.
* testsuite/22_locale/codecvt/out/wchar_t/1.cc: Cleanup.
* testsuite/22_locale/codecvt/out/wchar_t/2.cc: New test.
* testsuite/22_locale/codecvt/out/wchar_t/3.cc: New test.
* testsuite/22_locale/codecvt/out/wchar_t/4.cc: New test.
* testsuite/22_locale/codecvt/out/wchar_t/5.cc: New test.
* testsuite/22_locale/codecvt/out/wchar_t/6.cc: New test.
* testsuite/22_locale/codecvt/out/wchar_t/7.cc: New test.
* testsuite/22_locale/codecvt/unicode/1.cc: New test.
* testsuite/22_locale/codecvt/unshift/wchar_t/1.cc: Cleanup.
* testsuite/22_locale/codecvt/unshift/wchar_t/2.cc: New test.
* testsuite/22_locale/codecvt/unshift/wchar_t/3.cc: New test.
* testsuite/22_locale/codecvt/unshfit/wchar_t/4.cc: New test.
From-SVN: r62474
2003-02-06 07:24:21 +01:00
|
|
|
do_length(state_type&, const extern_type* __from,
|
2001-08-08 04:49:01 +02:00
|
|
|
const extern_type* __end, size_t __max) const
|
2002-12-16 19:23:00 +01:00
|
|
|
{ return std::min(__max, static_cast<size_t>(__end - __from)); }
|
2001-08-08 04:49:01 +02:00
|
|
|
|
2003-10-12 12:12:09 +02:00
|
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
|
|
// 74. Garbled text for codecvt::do_max_length
|
2001-08-08 04:49:01 +02:00
|
|
|
template<typename _InternT, typename _ExternT>
|
|
|
|
int
|
2005-01-07 20:34:46 +01:00
|
|
|
codecvt<_InternT, _ExternT, encoding_state>::
|
2001-08-08 04:49:01 +02:00
|
|
|
do_max_length() const throw()
|
|
|
|
{ return 1; }
|
2005-01-07 20:34:46 +01:00
|
|
|
} // namespace std
|
2003-10-12 12:12:09 +02:00
|
|
|
|