AOO410/main/sax/inc/sax/tools/tokenmap.hxx

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#ifndef _SAX_TOKENMAP_HXX_
#define _SAX_TOKENMAP_HXX_

#include <rtl/ref.hxx>
#include <rtl/ustring.hxx>
#include "sax/dllapi.h"
#include "sax/tools/saxobject.hxx"

namespace sax
{
	/** type for a token identifier */
	typedef sal_uInt32 SaxToken;

	/** this class maps a set of ascii/utf-8 strings to token identifier */
	class SAX_DLLPUBLIC SaxTokenMap : public SaxObject
	{
	public:
		/** constant do indicate an unknown token */
		const static SaxToken InvalidToken = (SaxToken)-1;

		/** returns the token identifier for the given ascii string or SaxTokenMap::InvalidToken */
		virtual SaxToken GetToken( const sal_Char* pChar, sal_uInt32 nLength  = 0 ) const = 0;

		/** returns the token identifier for the given unicode string or SaxTokenMap::InvalidToken */
		virtual SaxToken GetToken( const ::rtl::OUString& rToken ) const = 0;

		/** returns the unicode string for the given token identifier */
		virtual const ::rtl::OUString& GetToken( SaxToken nToken ) const = 0;

		/** returns if the given unicode string equals the given token identifier */
		bool IsToken( const ::rtl::OUString& rToken, SaxToken nToken ) const { return GetToken( rToken ) == nToken; }
	};

	/** reference type to a SaxTokenMap */
	typedef rtl::Reference< SaxTokenMap > SaxTokenMapRef;
}

#endif // _SAX_TOKENMAP_HXX_