| // 2000-08-23 Benjamin Kosnik <bkoz@cygnus.com> |
| |
| // Copyright (C) 2000, 2001, 2002, 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(); } |
| |
| // Partial specialization using __enc_traits. |
| // codecvt<unicode_t, wchar_t, __enc_traits> |
| void test01() |
| { |
| using namespace std; |
| typedef codecvt_base::result result; |
| typedef unicode_t int_type; |
| typedef wchar_t ext_type; |
| typedef __enc_traits enc_type; |
| typedef codecvt<int_type, ext_type, enc_type> unicode_codecvt; |
| typedef char_traits<int_type> int_traits; |
| typedef char_traits<ext_type> ext_traits; |
| |
| bool test __attribute__((unused)) = true; |
| int size = 23; |
| char e_lit_base[96] __attribute__((aligned(__alignof__(ext_type)))) = |
| { |
| 0x00, 0x00, 0x00, 0x62, 0x00, 0x00, 0x00, 0x6c, 0x00, 0x00, 0x00, 0x61, |
| 0x00, 0x00, 0x00, 0x63, 0x00, 0x00, 0x00, 0x6b, 0x00, 0x00, 0x00, 0x20, |
| 0x00, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x00, 0x61, |
| 0x00, 0x00, 0x00, 0x72, 0x00, 0x00, 0x00, 0x6c, 0x00, 0x00, 0x00, 0x20, |
| 0x00, 0x00, 0x00, 0x6a, 0x00, 0x00, 0x00, 0x61, 0x00, 0x00, 0x00, 0x73, |
| 0x00, 0x00, 0x00, 0x6d, 0x00, 0x00, 0x00, 0x69, 0x00, 0x00, 0x00, 0x6e, |
| 0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x74, |
| 0x00, 0x00, 0x00, 0x65, 0x00, 0x00, 0x00, 0x61, 0x00, 0x00, 0x00, 0xa0 |
| }; |
| const ext_type* e_lit = reinterpret_cast<ext_type*>(e_lit_base); |
| |
| char i_lit_base[48] __attribute__((aligned(__alignof__(int_type)))) = |
| { |
| 0x00, 0x62, 0x00, 0x6c, 0x00, 0x61, 0x00, 0x63, 0x00, 0x6b, 0x00, 0x20, |
| 0x00, 0x70, 0x00, 0x65, 0x00, 0x61, 0x00, 0x72, 0x00, 0x6c, 0x00, 0x20, |
| 0x00, 0x6a, 0x00, 0x61, 0x00, 0x73, 0x00, 0x6d, 0x00, 0x69, 0x00, 0x6e, |
| 0x00, 0x65, 0x00, 0x20, 0x00, 0x74, 0x00, 0x65, 0x00, 0x61, 0x00, 0xa0 |
| }; |
| const int_type* i_lit = reinterpret_cast<int_type*>(i_lit_base); |
| |
| const ext_type* efrom_next; |
| const int_type* ifrom_next; |
| ext_type* e_arr = new ext_type[size + 1]; |
| ext_type* eto_next; |
| int_type* i_arr = new int_type[size + 1]; |
| int_type* ito_next; |
| |
| // construct a locale object with the specialized facet. |
| locale loc(locale::classic(), new unicode_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); |
| |
| // in |
| // unicode_codecvt::state_type state01("UCS-2BE", "UCS-4BE", 0xfeff, 0); |
| unicode_codecvt::state_type state01("UCS-2BE", "UCS-4BE", 0, 0); |
| initialize_state(state01); |
| result r1 = cvt.in(state01, e_lit, e_lit + size, efrom_next, |
| i_arr, i_arr + size + 1, ito_next); |
| VERIFY( r1 == codecvt_base::ok ); |
| VERIFY( !int_traits::compare(i_arr, i_lit, size) ); |
| VERIFY( efrom_next == e_lit + size ); |
| VERIFY( ito_next == i_arr + size ); |
| |
| // out |
| unicode_codecvt::state_type state02("UCS-2BE", "UCS-4BE", 0, 0); |
| initialize_state(state02); |
| result r2 = cvt.out(state02, i_lit, i_lit + size, ifrom_next, |
| e_arr, e_arr + size, eto_next); |
| VERIFY( r2 == codecvt_base::ok ); // XXX? |
| VERIFY( !ext_traits::compare(e_arr, e_lit, size) ); |
| VERIFY( ifrom_next == i_lit + size ); |
| VERIFY( eto_next == e_arr + size ); |
| |
| // unshift |
| ext_traits::copy(e_arr, e_lit, size); |
| unicode_codecvt::state_type state03("UCS-2BE", "UCS-4BE", 0, 0); |
| initialize_state(state03); |
| result r3 = cvt.unshift(state03, e_arr, e_arr + size, eto_next); |
| VERIFY( r3 == codecvt_base::noconv ); |
| VERIFY( !ext_traits::compare(e_arr, e_lit, size) ); |
| VERIFY( eto_next == e_arr ); |
| |
| int i = cvt.encoding(); |
| VERIFY( i == 0 ); |
| |
| VERIFY( !cvt.always_noconv() ); |
| |
| unicode_codecvt::state_type state04("UCS-2BE", "UCS-4BE", 0, 0); |
| initialize_state(state04); |
| int j = cvt.length(state03, e_lit, e_lit + size, 5); |
| VERIFY( j == 5 ); |
| |
| int k = cvt.max_length(); |
| VERIFY( k == 1 ); |
| |
| delete [] e_arr; |
| delete [] i_arr; |
| } |
| #endif // _GLIBCXX_USE___ENC_TRAITS |
| |
| int main () |
| { |
| #ifdef _GLIBCXX_USE___ENC_TRAITS |
| test01(); |
| #endif |
| return 0; |
| } |
| |