symtable.h

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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
*   Copyright (c) 2000-2005, International Business Machines
*   Corporation and others.  All Rights Reserved.
**********************************************************************
*   Date        Name        Description
*   02/04/00    aliu        Creation.
**********************************************************************
*/
#ifndef SYMTABLE_H
#define SYMTABLE_H

#include "unicode/utypes.h"
#include "unicode/uobject.h"

U_NAMESPACE_BEGIN

class ParsePosition;
class UnicodeFunctor;
class UnicodeSet;
class UnicodeString;

class U_COMMON_API SymbolTable /* not : public UObject because this is an interface/mixin class */ {
public:

    enum { SYMBOL_REF = 0x0024 /*$*/ };

    virtual ~SymbolTable();

    virtual const UnicodeString* lookup(const UnicodeString& s) const = 0;

    virtual const UnicodeFunctor* lookupMatcher(UChar32 ch) const = 0;

    virtual UnicodeString parseReference(const UnicodeString& text,
                                         ParsePosition& pos, int32_t limit) const = 0;
};
U_NAMESPACE_END

#endif