| // 2003-02-06 Petur Runolfsson <peturr02@ru.is> |
| |
| // Copyright (C) 2003 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 2, 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 COPYING. If not, write to the Free |
| // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
| // USA. |
| |
| // 22.2.1.5 - Template class codecvt [lib.locale.codecvt] |
| |
| #include <locale> |
| #include <testsuite_hooks.h> |
| |
| |
| |
| #ifdef _GLIBCXX_USE___ENC_TRAITS |
| |
| // Need some char_traits specializations for this to work. |
| typedef unsigned short unicode_t; |
| |
| namespace std |
| { |
| template<> |
| struct char_traits<unicode_t> |
| { |
| typedef unicode_t char_type; |
| // Unsigned as wint_t is unsigned. |
| typedef unsigned long int_type; |
| typedef streampos pos_type; |
| typedef streamoff off_type; |
| typedef mbstate_t state_type; |
| |
| static void |
| assign(char_type& __c1, const char_type& __c2); |
| |
| static bool |
| eq(const char_type& __c1, const char_type& __c2); |
| |
| static bool |
| lt(const char_type& __c1, const char_type& __c2); |
| |
| static int |
| compare(const char_type* __s1, const char_type* __s2, size_t __n) |
| { return memcmp(__s1, __s2, __n); } |
| |
| static size_t |
| length(const char_type* __s); |
| |
| static const char_type* |
| find(const char_type* __s, size_t __n, const char_type& __a); |
| |
| static char_type* |
| move(char_type* __s1, const char_type* __s2, size_t __n); |
| |
| static char_type* |
| copy(char_type* __s1, const char_type* __s2, size_t __n) |
| { return static_cast<char_type*>(memcpy(__s1, __s2, __n)); } |
| |
| static char_type* |
| assign(char_type* __s, size_t __n, char_type __a); |
| |
| static char_type |
| to_char_type(const int_type& __c); |
| |
| static int_type |
| to_int_type(const char_type& __c); |
| |
| static bool |
| eq_int_type(const int_type& __c1, const int_type& __c2); |
| |
| static int_type |
| eof(); |
| |
| static int_type |
| not_eof(const int_type& __c); |
| }; |
| } |
| |
| void |
| initialize_state(std::__enc_traits& state) |
| { state._M_init(); } |
| |
| bool length_called = false; |
| |
| class length_codecvt : public std::codecvt<unicode_t, char, std::__enc_traits> |
| { |
| typedef std::codecvt<unicode_t, char, std::__enc_traits> unicode_codecvt; |
| |
| public: |
| // DR75: type of first argument of do_length is state_type& |
| virtual int do_length(state_type& state, const extern_type* from, |
| const extern_type* end, std::size_t max) const |
| { |
| length_called = true; |
| return unicode_codecvt::do_length(state, from, end, max); |
| } |
| }; |
| |
| // Partial specialization using __enc_traits. |
| // codecvt<unicode_t, char, __enc_traits> |
| // UNICODE - UCS2 (big endian) |
| void test01() |
| { |
| using namespace std; |
| typedef unicode_t int_type; |
| typedef char ext_type; |
| typedef __enc_traits enc_type; |
| typedef codecvt<int_type, ext_type, enc_type> unicode_codecvt; |
| |
| bool test __attribute__((unused)) = true; |
| const ext_type* e_lit = "black pearl jasmine tea"; |
| int size = strlen(e_lit); |
| |
| // construct a locale object with the specialized facet. |
| locale loc(locale::classic(), new length_codecvt); |
| // sanity check the constructed locale has the specialized facet. |
| VERIFY( has_facet<unicode_codecvt>(loc) ); |
| const unicode_codecvt& cvt = use_facet<unicode_codecvt>(loc); |
| |
| unicode_codecvt::state_type state04("UCS-2BE", "ISO-8859-15", 0xfeff, 0); |
| initialize_state(state04); |
| length_called = false; |
| cvt.length(state04, e_lit, e_lit + size, 5); |
| VERIFY( length_called ); |
| } |
| #endif // _GLIBCXX_USE___ENC_TRAITS |
| |
| int main () |
| { |
| #if _GLIBCXX_USE___ENC_TRAITS |
| test01(); |
| #endif |
| |
| return 0; |
| } |