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// Copyright (c) 1994 James Clark
// See the file COPYING for copying permission.
#ifndef MessageArg_INCLUDED
#define MessageArg_INCLUDED 1
#ifdef __GNUG__
#pragma interface
#endif
#include "StringC.h"
#include "rtti.h"
#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif
class MessageBuilder;
class SP_API MessageArg {
public:
MessageArg();
virtual ~MessageArg();
virtual MessageArg *copy() const = 0;
virtual void append(MessageBuilder &) const = 0;
};
class SP_API StringMessageArg : public MessageArg {
public:
StringMessageArg(const StringC &);
MessageArg *copy() const;
void append(MessageBuilder &) const;
private:
StringC s_;
};
class SP_API NumberMessageArg : public MessageArg {
public:
NumberMessageArg(unsigned long);
MessageArg *copy() const;
void append(MessageBuilder &) const;
private:
unsigned long n_;
};
class SP_API OrdinalMessageArg : public MessageArg {
public:
OrdinalMessageArg(unsigned long);
MessageArg *copy() const;
void append(MessageBuilder &) const;
private:
unsigned long n_;
};
class SP_API OtherMessageArg : public MessageArg {
RTTI_CLASS
public:
OtherMessageArg();
void append(MessageBuilder &) const;
};
#ifdef SP_NAMESPACE
}
#endif
#endif /* not MessageArg_INCLUDED */
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