dbaccess/source/ui/inc/charsets.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef _DBAUI_CHARSETS_HXX_
  21 #define _DBAUI_CHARSETS_HXX_
  22
  23 #include <connectivity/dbcharset.hxx>
  24 #include <rtl/ustring.hxx>
  25 #include <svx/txenctab.hxx>
  26
  27 //.........................................................................
  28 namespace dbaui
  29 {
  30 //.........................................................................
  31
  32     //=========================================================================
  33     //= OCharsetDisplay
  34     //=========================================================================
  35     typedef ::dbtools::OCharsetMap OCharsetDisplay_Base;
  36     class OCharsetDisplay
  37             :protected OCharsetDisplay_Base
  38             ,protected SvxTextEncodingTable
  39     {
  40     protected:
  41         OUString m_aSystemDisplayName;
  42
  43     public:
  44         class ExtendedCharsetIterator;
  45         friend class OCharsetDisplay::ExtendedCharsetIterator;
  46
  47         typedef ExtendedCharsetIterator iterator;
  48         typedef ExtendedCharsetIterator const_iterator;
  49
  50         OCharsetDisplay();
  51
  52         // various find operations
  53         const_iterator findEncoding(const rtl_TextEncoding _eEncoding) const;
  54         const_iterator findIanaName(const OUString& _rIanaName) const;
  55         const_iterator findDisplayName(const OUString& _rDisplayName) const;
  56
  57         /// get access to the first element of the charset collection
  58         const_iterator  begin() const;
  59         /// get access to the (last + 1st) element of the charset collection
  60         const_iterator  end() const;
  61         // size of the map
  62         sal_Int32   size() const { return OCharsetDisplay_Base::size(); }
  63
  64     protected:
  65         virtual sal_Bool approveEncoding( const rtl_TextEncoding _eEncoding, const rtl_TextEncodingInfo& _rInfo ) const;
  66
  67     private:
  68         using OCharsetDisplay_Base::find;
  69     };
  70
  71     //-------------------------------------------------------------------------
  72     //- CharsetDisplayDerefHelper
  73     //-------------------------------------------------------------------------
  74     typedef ::dbtools::CharsetIteratorDerefHelper CharsetDisplayDerefHelper_Base;
  75     class CharsetDisplayDerefHelper : protected CharsetDisplayDerefHelper_Base
  76     {
  77         friend class OCharsetDisplay::ExtendedCharsetIterator;
  78
  79         OUString                         m_sDisplayName;
  80
  81     public:
  82         CharsetDisplayDerefHelper(const CharsetDisplayDerefHelper& _rSource);
  83
  84         rtl_TextEncoding    getEncoding() const         { return CharsetDisplayDerefHelper_Base::getEncoding(); }
  85         OUString     getIanaName() const         { return CharsetDisplayDerefHelper_Base::getIanaName(); }
  86         OUString     getDisplayName() const      { return m_sDisplayName; }
  87
  88     protected:
  89         CharsetDisplayDerefHelper(const ::dbtools::CharsetIteratorDerefHelper& _rBase, const OUString& _rDisplayName);
  90     };
  91
  92     //-------------------------------------------------------------------------
  93     //- OCharsetDisplay::ExtendedCharsetIterator
  94     //-------------------------------------------------------------------------
  95     class OCharsetDisplay::ExtendedCharsetIterator
  96     {
  97         friend class OCharsetDisplay;
  98
  99         friend bool operator==(const ExtendedCharsetIterator& lhs, const ExtendedCharsetIterator& rhs);
 100         friend bool operator!=(const ExtendedCharsetIterator& lhs, const ExtendedCharsetIterator& rhs) { return !(lhs == rhs); }
 101
 102         typedef ::dbtools::OCharsetMap      container;
 103         typedef container::CharsetIterator  base_iterator;
 104
 105     protected:
 106         const OCharsetDisplay*      m_pContainer;
 107         base_iterator               m_aPosition;
 108
 109     public:
 110         ExtendedCharsetIterator(const ExtendedCharsetIterator& _rSource);
 111
 112         CharsetDisplayDerefHelper operator*() const;
 113
 114         /// prefix increment
 115         const ExtendedCharsetIterator&  operator++();
 116         /// postfix increment
 117         const ExtendedCharsetIterator   operator++(int) { ExtendedCharsetIterator hold(*this); ++*this; return hold; }
 118
 119         /// prefix decrement
 120         const ExtendedCharsetIterator&  operator--();
 121         /// postfix decrement
 122         const ExtendedCharsetIterator   operator--(int) { ExtendedCharsetIterator hold(*this); --*this; return hold; }
 123
 124     protected:
 125         ExtendedCharsetIterator( const OCharsetDisplay* _pContainer, const base_iterator& _rPosition );
 126     };
 127
 128 //.........................................................................
 129 }   // namespace dbaui
 130 //.........................................................................
 131
 132 #endif // _DBAUI_CHARSETS_HXX_
 133
 134 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */