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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <sal/config.h>
#include <rtl/textcvt.h>
#include <cstdlib>
#include <iterator>
#include <stdio.h>
namespace {
struct Encoder
{
rtl_UnicodeToTextConverter m_aConverter;
bool m_bCapable;
const char *m_pEncoding;
Encoder(rtl_TextEncoding nEncoding, const char *pEncoding)
: m_aConverter(rtl_createUnicodeToTextConverter(nEncoding))
, m_bCapable(true)
, m_pEncoding(pEncoding)
{
}
~Encoder()
{
rtl_destroyUnicodeToTextConverter(m_aConverter);
}
void checkSupports(sal_Unicode c)
{
char aTempArray[8];
sal_Size nTempSize;
sal_uInt32 nCvtInfo;
sal_Size nChars = rtl_convertUnicodeToText(m_aConverter,
nullptr, &c, 1, aTempArray, sizeof(aTempArray),
RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR | RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR,
&nCvtInfo, &nTempSize);
m_bCapable = nChars > 0;
}
void reset()
{
m_bCapable = true;
}
bool isOK() const
{
return m_bCapable;
}
const char* getName() const
{
return m_pEncoding;
}
};
}
int main()
{
# define EXP(x) Encoder(x, #x)
Encoder aConverters[15] =
{
EXP(RTL_TEXTENCODING_MS_1361),
EXP(RTL_TEXTENCODING_MS_950),
EXP(RTL_TEXTENCODING_MS_949),
EXP(RTL_TEXTENCODING_MS_936),
EXP(RTL_TEXTENCODING_MS_932),
EXP(RTL_TEXTENCODING_MS_874),
EXP(RTL_TEXTENCODING_MS_1258),
EXP(RTL_TEXTENCODING_MS_1257),
EXP(RTL_TEXTENCODING_MS_1256),
EXP(RTL_TEXTENCODING_MS_1255),
EXP(RTL_TEXTENCODING_MS_1254),
EXP(RTL_TEXTENCODING_MS_1253),
EXP(RTL_TEXTENCODING_MS_1251),
EXP(RTL_TEXTENCODING_MS_1250),
EXP(RTL_TEXTENCODING_MS_1252)
};
printf("//Do not edit manually, generated from bestreversemap.cxx\n");
printf("#include <rtl/textenc.h>\n");
printf("#include <tools/tenccvt.hxx>\n");
printf("rtl_TextEncoding getBestMSEncodingByChar(sal_Unicode c)\n");
printf("{\n");
sal_Unicode c = 0;
while (c < 0xFFFF)
{
for (size_t i = 0; i < std::size(aConverters); ++i)
aConverters[i].reset();
int nMostCapable = -1;
while(c < 0xFFFF)
{
bool bSomethingCapable = false;
for (size_t i = 0; i < std::size(aConverters); ++i)
{
if (aConverters[i].isOK())
aConverters[i].checkSupports(c);
if (aConverters[i].isOK())
{
bSomethingCapable = true;
nMostCapable = i;
}
}
if (!bSomethingCapable)
break;
++c;
}
sal_Unicode cEnd = c;
printf(" if (c < 0x%x)\n", c);
printf(" return %s;\n", aConverters[nMostCapable].getName());
while(c < 0xFFFF)
{
bool bNothingCapable = true;
for (size_t i = 0; i < std::size(aConverters); ++i)
{
aConverters[i].checkSupports(c);
if (aConverters[i].isOK())
{
bNothingCapable = false;
break;
}
}
if (!bNothingCapable)
break;
++c;
}
if (cEnd != c)
{
if (c < 0xFFFF)
{
printf(" if (c < 0x%x)\n", c);
printf(" return RTL_TEXTENCODING_DONTKNOW;\n");
}
else
printf(" return RTL_TEXTENCODING_DONTKNOW;\n");
}
}
printf("}\n");
fflush(stdout);
return EXIT_SUCCESS;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
