1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
// 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;
}
|