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#ifndef _SV_MNEMONIC_HXX
#define _SV_MNEMONIC_HXX

#include <vcl/dllapi.h>
#include <tools/string.hxx>
#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/i18n/XCharacterClassification.hpp>

// ---------------------
// - ImplMnemonicTypes -
// ---------------------

// Mnemonic Chars, which we want support
// Latin 0-9
#define MNEMONIC_RANGE_1_START      0x30
#define MNEMONIC_RANGE_1_END        0x39
// Latin A-Z
#define MNEMONIC_RANGE_2_START      0x41
#define MNEMONIC_RANGE_2_END        0x5A
// Cyrillic
#define MNEMONIC_RANGE_3_START      0x0410
#define MNEMONIC_RANGE_3_END        0x042F
// Greek
#define MNEMONIC_RANGE_4_START      0x0391
#define MNEMONIC_RANGE_4_END        0x03AB
#define MNEMONIC_RANGES             4
#define MAX_MNEMONICS               ((MNEMONIC_RANGE_1_END-MNEMONIC_RANGE_1_START+1)+\
                                     (MNEMONIC_RANGE_2_END-MNEMONIC_RANGE_2_START+1)+\
                                     (MNEMONIC_RANGE_3_END-MNEMONIC_RANGE_3_START+1)+\
                                     (MNEMONIC_RANGE_4_END-MNEMONIC_RANGE_4_START+1))

#define MNEMONIC_CHAR               ((sal_Unicode)'~')
#define MNEMONIC_INDEX_NOTFOUND     ((sal_uInt16)0xFFFF)

// -------------------------
// - MnemonicGenerator -
// -------------------------

class VCL_DLLPUBLIC MnemonicGenerator
{
private:
    // 0 == Mnemonic; >0 == count of characters
    sal_uInt8               maMnemonics[MAX_MNEMONICS];
    ::com::sun::star::uno::Reference< ::com::sun::star::i18n::XCharacterClassification > mxCharClass;

protected:
    SAL_DLLPRIVATE sal_uInt16       ImplGetMnemonicIndex( sal_Unicode c );
    SAL_DLLPRIVATE sal_Unicode  ImplFindMnemonic( const XubString& rKey );

public:
                        MnemonicGenerator();

    void                RegisterMnemonic( const XubString& rKey );
    sal_Bool                CreateMnemonic( XubString& rKey );
    ::com::sun::star::uno::Reference< ::com::sun::star::i18n::XCharacterClassification > GetCharClass();

    // returns a string where all '~'-characters and CJK mnemonics of the form (~A) are completely removed
    static String EraseAllMnemonicChars( const String& rStr );
};

#endif // _SV_MNEMONIC_HXX

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