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
|
/* -*- 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <connectivity/dbcharset.hxx>
#include <utility>
#include <osl/diagnose.h>
#include <rtl/tencinfo.h>
namespace dbtools
{
OCharsetMap::OCharsetMap()
{
}
void OCharsetMap::lateConstruct()
{
const rtl_TextEncoding eFirstEncoding = RTL_TEXTENCODING_DONTKNOW;
const rtl_TextEncoding eLastEncoding = 100; // TODO: a define in rtl/textenc.h would be fine here ...
OSL_ENSURE( 0 == eFirstEncoding, "OCharsetMap::OCharsetMap: somebody changed the numbers!" );
rtl_TextEncodingInfo aInfo; aInfo.StructSize = sizeof( rtl_TextEncodingInfo );
for ( rtl_TextEncoding eEncoding = eFirstEncoding; eEncoding < eLastEncoding; ++eEncoding )
{
if ( ( RTL_TEXTENCODING_DONTKNOW == eEncoding ) // this is always allowed - it has the special meaning "system encoding"
|| ( rtl_getTextEncodingInfo( eEncoding, &aInfo )
&& approveEncoding( eEncoding, aInfo )
)
)
{
m_aEncodings.insert( eEncoding );
}
}
OSL_ENSURE( find( RTL_TEXTENCODING_MS_1252 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding ANSI!" );
OSL_ENSURE( find( RTL_TEXTENCODING_APPLE_ROMAN ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding macintosh!" );
OSL_ENSURE( find( RTL_TEXTENCODING_IBM_437 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding IBM437!" );
OSL_ENSURE( find( RTL_TEXTENCODING_IBM_850) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding IBM850!" );
OSL_ENSURE( find( RTL_TEXTENCODING_IBM_860 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding IBM860!" );
OSL_ENSURE( find( RTL_TEXTENCODING_IBM_861 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding IBM861!" );
OSL_ENSURE( find( RTL_TEXTENCODING_IBM_863 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding IBM863!" );
OSL_ENSURE( find( RTL_TEXTENCODING_IBM_865 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding IBM865!" );
OSL_ENSURE( find( RTL_TEXTENCODING_IBM_866 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding IBM866!" );
OSL_ENSURE( find( RTL_TEXTENCODING_DONTKNOW ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding SYSTEM!" );
OSL_ENSURE( find( RTL_TEXTENCODING_UTF8 ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding UTF-8!" );
OSL_ENSURE( find( RTL_TEXTENCODING_BIG5_HKSCS ) != end(), "OCharsetMap::lateConstruct: missing compatibility encoding Big5-HKSCS!" );
}
bool OCharsetMap::approveEncoding( const rtl_TextEncoding _eEncoding, const rtl_TextEncodingInfo& _rInfo ) const
{
bool bIsMimeEncoding = 0 != ( _rInfo.Flags & RTL_TEXTENCODING_INFO_MIME );
OSL_ENSURE( !bIsMimeEncoding || rtl_getMimeCharsetFromTextEncoding( _eEncoding ),
"OCharsetMap::OCharsetMap: inconsistence in rtl!" );
return bIsMimeEncoding;
}
OCharsetMap::~OCharsetMap()
{
}
OCharsetMap::CharsetIterator OCharsetMap::begin() const
{
ensureConstructed( );
return CharsetIterator(this, m_aEncodings.begin() );
}
OCharsetMap::CharsetIterator OCharsetMap::find(const rtl_TextEncoding _eEncoding) const
{
ensureConstructed( );
return CharsetIterator( this, m_aEncodings.find( _eEncoding ) );
}
OCharsetMap::CharsetIterator OCharsetMap::findIanaName(std::u16string_view _rIanaName) const
{
ensureConstructed( );
rtl_TextEncoding eEncoding = RTL_TEXTENCODING_DONTKNOW;
if ( !_rIanaName.empty() )
{
// byte string conversion
OString sMimeByteString = OUStringToOString( _rIanaName, RTL_TEXTENCODING_ASCII_US );
// look up
eEncoding = rtl_getTextEncodingFromMimeCharset( sMimeByteString.getStr() );
if ( RTL_TEXTENCODING_DONTKNOW == eEncoding )
{ // if we're here, the name is not empty, but unknown -> this is an invalid name
return end();
}
}
return find( eEncoding );
}
OCharsetMap::CharsetIterator OCharsetMap::end() const
{
ensureConstructed( );
return CharsetIterator( this, m_aEncodings.end() );
}
CharsetIteratorDerefHelper::CharsetIteratorDerefHelper( const CharsetIteratorDerefHelper& _rSource )
:m_eEncoding( _rSource.m_eEncoding )
,m_aIanaName( _rSource.m_aIanaName )
{
}
CharsetIteratorDerefHelper:: CharsetIteratorDerefHelper(const rtl_TextEncoding _eEncoding, OUString _aIanaName )
:m_eEncoding( _eEncoding )
,m_aIanaName(std::move( _aIanaName ))
{
}
OCharsetMap::CharsetIterator::CharsetIterator(const OCharsetMap* _pContainer, OCharsetMap::TextEncBag::const_iterator _aPos )
:m_pContainer( _pContainer )
,m_aPos(std::move( _aPos ))
{
OSL_ENSURE( m_pContainer, "OCharsetMap::CharsetIterator::CharsetIterator : invalid container!" );
}
CharsetIteratorDerefHelper OCharsetMap::CharsetIterator::operator*() const
{
OSL_ENSURE( m_aPos != m_pContainer->m_aEncodings.end(), "OCharsetMap::CharsetIterator::operator*: invalid position!");
rtl_TextEncoding eEncoding = *m_aPos;
OUString sIanaName;
if ( RTL_TEXTENCODING_DONTKNOW != eEncoding )
{ // it's not the virtual "system charset"
const char* pIanaName = rtl_getMimeCharsetFromTextEncoding( eEncoding );
OSL_ENSURE( pIanaName, "OCharsetMap::CharsetIterator: invalid mime name!" );
if ( pIanaName )
sIanaName = OUString::createFromAscii( pIanaName );
}
return CharsetIteratorDerefHelper( eEncoding, sIanaName );
}
const OCharsetMap::CharsetIterator& OCharsetMap::CharsetIterator::operator++()
{
OSL_ENSURE( m_aPos != m_pContainer->m_aEncodings.end(), "OCharsetMap::CharsetIterator::operator++ : invalid position!" );
if ( m_aPos != m_pContainer->m_aEncodings.end())
++m_aPos;
return *this;
}
const OCharsetMap::CharsetIterator& OCharsetMap::CharsetIterator::operator--()
{
OSL_ENSURE( m_aPos != m_pContainer->m_aEncodings.begin(), "OCharsetMap::CharsetIterator::operator-- : invalid position!" );
if ( m_aPos != m_pContainer->m_aEncodings.begin() )
--m_aPos;
return *this;
}
bool operator==(const OCharsetMap::CharsetIterator& lhs, const OCharsetMap::CharsetIterator& rhs)
{
return ( lhs.m_pContainer == rhs.m_pContainer ) && ( lhs.m_aPos == rhs.m_aPos );
}
} // namespace dbtools
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
