charsets.hxx

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#pragma once
 
#include <connectivity/dbcharset.hxx>
#include <rtl/ustring.hxx>
 
namespace dbaui
{
 
    // OCharsetDisplay
    typedef ::dbtools::OCharsetMap OCharsetDisplay_Base;
    class OCharsetDisplay final : protected OCharsetDisplay_Base
    {
    private:
        OUString m_aSystemDisplayName;
 
    public:
        class ExtendedCharsetIterator;
        friend class OCharsetDisplay::ExtendedCharsetIterator;
 
        typedef ExtendedCharsetIterator iterator;
        typedef ExtendedCharsetIterator const_iterator;
 
        OCharsetDisplay();
 
        // various find operations
        const_iterator findEncoding(const rtl_TextEncoding _eEncoding) const;
        const_iterator findIanaName(std::u16string_view _rIanaName) const;
        const_iterator findDisplayName(const OUString& _rDisplayName) const;
 
        const_iterator  begin() const;
        const_iterator  end() const;
 
    private:
        virtual bool approveEncoding( const rtl_TextEncoding _eEncoding, const rtl_TextEncodingInfo& _rInfo ) const override;
 
        using OCharsetDisplay_Base::find;
    };
 
    //- CharsetDisplayDerefHelper
    typedef ::dbtools::CharsetIteratorDerefHelper CharsetDisplayDerefHelper_Base;
    class CharsetDisplayDerefHelper final : protected CharsetDisplayDerefHelper_Base
    {
        friend class OCharsetDisplay::ExtendedCharsetIterator;
 
        OUString                         m_sDisplayName;
 
    public:
        CharsetDisplayDerefHelper(const CharsetDisplayDerefHelper& _rSource);
 
        OUString const & getIanaName() const         { return CharsetDisplayDerefHelper_Base::getIanaName(); }
        const OUString& getDisplayName() const      { return m_sDisplayName; }
 
    private:
        CharsetDisplayDerefHelper(const ::dbtools::CharsetIteratorDerefHelper& _rBase, OUString _sDisplayName);
    };
 
    //- OCharsetDisplay::ExtendedCharsetIterator
    class OCharsetDisplay::ExtendedCharsetIterator
    {
        friend class OCharsetDisplay;
 
        friend bool operator==(const ExtendedCharsetIterator& lhs, const ExtendedCharsetIterator& rhs);
        friend bool operator!=(const ExtendedCharsetIterator& lhs, const ExtendedCharsetIterator& rhs) { return !(lhs == rhs); }
 
        typedef ::dbtools::OCharsetMap      container;
        typedef container::CharsetIterator  base_iterator;
 
    protected:
        const OCharsetDisplay*      m_pContainer;
        base_iterator               m_aPosition;
 
    public:
        CharsetDisplayDerefHelper operator*() const;
 
        const ExtendedCharsetIterator&  operator++();
 
    protected:
        ExtendedCharsetIterator( const OCharsetDisplay* _pContainer, base_iterator _aPosition );
    };
 
}   // namespace dbaui
 
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