xref: /aoo41x/main/dbaccess/source/ui/misc/charsets.cxx (revision 96de5490)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_dbaccess.hxx"
26 
27 #ifndef _DBAUI_CHARSETS_HXX_
28 #include "charsets.hxx"
29 #endif
30 #ifndef _TOOLS_DEBUG_HXX
31 #include <tools/debug.hxx>
32 #endif
33 #ifndef _DBU_MISC_HRC_
34 #include "dbu_misc.hrc"
35 #endif
36 #ifndef _RTL_TENCINFO_H
37 #include <rtl/tencinfo.h>
38 #endif
39 #ifndef _TOOLS_RCID_H
40 #include <tools/rcid.h>
41 #endif
42 #ifndef _DBAUI_LOCALRESACCESS_HXX_
43 #include "localresaccess.hxx"
44 #endif
45 
46 //.........................................................................
47 namespace dbaui
48 {
49 //.........................................................................
50 	using namespace ::dbtools;
51 
52 	//=========================================================================
53 	//= OCharsetDisplay
54 	//=========================================================================
55 	//-------------------------------------------------------------------------
OCharsetDisplay()56 	OCharsetDisplay::OCharsetDisplay()
57 		:OCharsetMap()
58 		,SvxTextEncodingTable()
59 	{
60 		{
61 			LocalResourceAccess aCharsetStrings( RSC_CHARSETS, RSC_RESOURCE );
62 			m_aSystemDisplayName = String( ModuleRes( 1 ) );
63 		}
64 	}
65 
66 	//-------------------------------------------------------------------------
approveEncoding(const rtl_TextEncoding _eEncoding,const rtl_TextEncodingInfo & _rInfo) const67 	sal_Bool OCharsetDisplay::approveEncoding( const rtl_TextEncoding _eEncoding, const rtl_TextEncodingInfo& _rInfo ) const
68 	{
69 		if ( !OCharsetMap::approveEncoding( _eEncoding, _rInfo ) )
70 			return sal_False;
71 
72 		if ( RTL_TEXTENCODING_DONTKNOW == _eEncoding )
73 			return sal_True;
74 
75 		return 0 != GetTextString( _eEncoding ).Len();
76 	}
77 
78 	//-------------------------------------------------------------------------
begin() const79 	OCharsetDisplay::const_iterator OCharsetDisplay::begin() const
80 	{
81 		return const_iterator( this, OCharsetMap::begin() );
82 	}
83 
84 	//-------------------------------------------------------------------------
end() const85 	OCharsetDisplay::const_iterator OCharsetDisplay::end() const
86 	{
87 		return const_iterator( this, OCharsetMap::end() );
88 	}
89 
90 	//-------------------------------------------------------------------------
findEncoding(const rtl_TextEncoding _eEncoding) const91 	OCharsetDisplay::const_iterator OCharsetDisplay::findEncoding(const rtl_TextEncoding _eEncoding) const
92 	{
93 		OCharsetMap::const_iterator aBaseIter = OCharsetMap::find(_eEncoding);
94 		return const_iterator( this, aBaseIter );
95 	}
96 
97 	//-------------------------------------------------------------------------
findIanaName(const::rtl::OUString & _rIanaName) const98 	OCharsetDisplay::const_iterator OCharsetDisplay::findIanaName(const ::rtl::OUString& _rIanaName) const
99 	{
100 		OCharsetMap::const_iterator aBaseIter = OCharsetMap::find(_rIanaName, OCharsetMap::IANA());
101 		return const_iterator( this, aBaseIter );
102 	}
103 
104 	//-------------------------------------------------------------------------
findDisplayName(const::rtl::OUString & _rDisplayName) const105 	OCharsetDisplay::const_iterator OCharsetDisplay::findDisplayName(const ::rtl::OUString& _rDisplayName) const
106 	{
107 		rtl_TextEncoding eEncoding = RTL_TEXTENCODING_DONTKNOW;
108 		if ( _rDisplayName != m_aSystemDisplayName )
109 		{
110 			eEncoding = GetTextEncoding( _rDisplayName );
111 			OSL_ENSURE( RTL_TEXTENCODING_DONTKNOW != eEncoding,
112 				"OCharsetDisplay::find: non-empty display name, but DONTKNOW!" );
113 		}
114 		return const_iterator( this, OCharsetMap::find( eEncoding ) );
115 	}
116 
117 	//=========================================================================
118 	//= CharsetDisplayDerefHelper
119 	//=========================================================================
120 	//-------------------------------------------------------------------------
CharsetDisplayDerefHelper(const CharsetDisplayDerefHelper & _rSource)121 	CharsetDisplayDerefHelper::CharsetDisplayDerefHelper(const CharsetDisplayDerefHelper& _rSource)
122 		:CharsetDisplayDerefHelper_Base(_rSource)
123 		,m_sDisplayName(m_sDisplayName)
124 	{
125 	}
126 
127 	//-------------------------------------------------------------------------
CharsetDisplayDerefHelper(const CharsetDisplayDerefHelper_Base & _rBase,const::rtl::OUString & _rDisplayName)128 	CharsetDisplayDerefHelper::CharsetDisplayDerefHelper(const CharsetDisplayDerefHelper_Base& _rBase, const ::rtl::OUString& _rDisplayName)
129 		:CharsetDisplayDerefHelper_Base(_rBase)
130 		,m_sDisplayName(_rDisplayName)
131 	{
132 		DBG_ASSERT( m_sDisplayName.getLength(), "CharsetDisplayDerefHelper::CharsetDisplayDerefHelper: invalid display name!" );
133 	}
134 
135 	//=========================================================================
136 	//= OCharsetDisplay::ExtendedCharsetIterator
137 	//=========================================================================
138 	//-------------------------------------------------------------------------
ExtendedCharsetIterator(const OCharsetDisplay * _pContainer,const base_iterator & _rPosition)139 	OCharsetDisplay::ExtendedCharsetIterator::ExtendedCharsetIterator( const OCharsetDisplay* _pContainer, const base_iterator& _rPosition )
140 		:m_pContainer(_pContainer)
141 		,m_aPosition(_rPosition)
142 	{
143 		DBG_ASSERT(m_pContainer, "OCharsetDisplay::ExtendedCharsetIterator::ExtendedCharsetIterator : invalid container!");
144 	}
145 
146 	//-------------------------------------------------------------------------
ExtendedCharsetIterator(const ExtendedCharsetIterator & _rSource)147 	OCharsetDisplay::ExtendedCharsetIterator::ExtendedCharsetIterator(const ExtendedCharsetIterator& _rSource)
148 		:m_pContainer( _rSource.m_pContainer )
149 		,m_aPosition( _rSource.m_aPosition )
150 	{
151 	}
152 
153 	//-------------------------------------------------------------------------
operator *() const154 	CharsetDisplayDerefHelper OCharsetDisplay::ExtendedCharsetIterator::operator*() const
155 	{
156 		DBG_ASSERT( m_aPosition != m_pContainer->OCharsetDisplay_Base::end(), "OCharsetDisplay::ExtendedCharsetIterator::operator* : invalid position!");
157 
158 		rtl_TextEncoding eEncoding = (*m_aPosition).getEncoding();
159 		return CharsetDisplayDerefHelper(
160 			*m_aPosition,
161 			RTL_TEXTENCODING_DONTKNOW == eEncoding ? m_pContainer->m_aSystemDisplayName : (::rtl::OUString)m_pContainer->GetTextString( eEncoding )
162 		);
163 	}
164 
165 	//-------------------------------------------------------------------------
operator ++()166 	const OCharsetDisplay::ExtendedCharsetIterator&	OCharsetDisplay::ExtendedCharsetIterator::operator++()
167 	{
168 		DBG_ASSERT( m_aPosition != m_pContainer->OCharsetDisplay_Base::end(), "OCharsetDisplay::ExtendedCharsetIterator::operator++ : invalid position!");
169 		if ( m_aPosition != m_pContainer->OCharsetDisplay_Base::end() )
170 			++m_aPosition;
171 		return *this;
172 	}
173 
174 	//-------------------------------------------------------------------------
operator --()175 	const OCharsetDisplay::ExtendedCharsetIterator&	OCharsetDisplay::ExtendedCharsetIterator::operator--()
176 	{
177 		DBG_ASSERT( m_aPosition != m_pContainer->OCharsetDisplay_Base::begin(), "OCharsetDisplay::ExtendedCharsetIterator::operator-- : invalid position!");
178 		if ( m_aPosition != m_pContainer->OCharsetDisplay_Base::begin() )
179 			--m_aPosition;
180 		return *this;
181 	}
182 
183 	//-------------------------------------------------------------------------
operator ==(const OCharsetDisplay::ExtendedCharsetIterator & lhs,const OCharsetDisplay::ExtendedCharsetIterator & rhs)184 	bool operator==(const OCharsetDisplay::ExtendedCharsetIterator& lhs, const OCharsetDisplay::ExtendedCharsetIterator& rhs)
185 	{
186 		return (lhs.m_pContainer == rhs.m_pContainer) && (lhs.m_aPosition == rhs.m_aPosition);
187 	}
188 
189 //.........................................................................
190 }	// namespace dbaui
191 //.........................................................................
192 
193