dbaccess/source/ui/inc/charsets.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   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
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  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 #pragma once
  21
  22 #include <connectivity/dbcharset.hxx>
  23 #include <rtl/ustring.hxx>
  24
  25 namespace dbaui
  26 {
  27
  28     // OCharsetDisplay
  29     typedef ::dbtools::OCharsetMap OCharsetDisplay_Base;
  30     class OCharsetDisplay final : protected OCharsetDisplay_Base
  31     {
  32     private:
  33         OUString m_aSystemDisplayName;
  34
  35     public:
  36         class ExtendedCharsetIterator;
  37         friend class OCharsetDisplay::ExtendedCharsetIterator;
  38
  39         typedef ExtendedCharsetIterator iterator;
  40         typedef ExtendedCharsetIterator const_iterator;
  41
  42         OCharsetDisplay();
  43
  44         // various find operations
  45         const_iterator findEncoding(const rtl_TextEncoding _eEncoding) const;
  46         const_iterator findIanaName(std::u16string_view _rIanaName) const;
  47         const_iterator findDisplayName(const OUString& _rDisplayName) const;
  48
  49         /// get access to the first element of the charset collection
  50         const_iterator  begin() const;
  51         /// get access to the (last + 1st) element of the charset collection
  52         const_iterator  end() const;
  53
  54     private:
  55         virtual bool approveEncoding( const rtl_TextEncoding _eEncoding, const rtl_TextEncodingInfo& _rInfo ) const override;
  56
  57         using OCharsetDisplay_Base::find;
  58     };
  59
  60     //- CharsetDisplayDerefHelper
  61     typedef ::dbtools::CharsetIteratorDerefHelper CharsetDisplayDerefHelper_Base;
  62     class CharsetDisplayDerefHelper final : protected CharsetDisplayDerefHelper_Base
  63     {
  64         friend class OCharsetDisplay::ExtendedCharsetIterator;
  65
  66         OUString                         m_sDisplayName;
  67
  68     public:
  69         CharsetDisplayDerefHelper(const CharsetDisplayDerefHelper& _rSource);
  70
  71         OUString const & getIanaName() const         { return CharsetDisplayDerefHelper_Base::getIanaName(); }
  72         const OUString& getDisplayName() const      { return m_sDisplayName; }
  73
  74     private:
  75         CharsetDisplayDerefHelper(const ::dbtools::CharsetIteratorDerefHelper& _rBase, OUString _sDisplayName);
  76     };
  77
  78     //- OCharsetDisplay::ExtendedCharsetIterator
  79     class OCharsetDisplay::ExtendedCharsetIterator
  80     {
  81         friend class OCharsetDisplay;
  82
  83         friend bool operator==(const ExtendedCharsetIterator& lhs, const ExtendedCharsetIterator& rhs);
  84         friend bool operator!=(const ExtendedCharsetIterator& lhs, const ExtendedCharsetIterator& rhs) { return !(lhs == rhs); }
  85
  86         typedef ::dbtools::OCharsetMap      container;
  87         typedef container::CharsetIterator  base_iterator;
  88
  89     protected:
  90         const OCharsetDisplay*      m_pContainer;
  91         base_iterator               m_aPosition;
  92
  93     public:
  94         CharsetDisplayDerefHelper operator*() const;
  95
  96         /// prefix increment
  97         const ExtendedCharsetIterator&  operator++();
  98
  99     protected:
 100         ExtendedCharsetIterator( const OCharsetDisplay* _pContainer, base_iterator _aPosition );
 101     };
 102
 103 }   // namespace dbaui
 104
 105 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */