ftp.nice.ch/pub/next/developer/languages/sgml/sp.1.1.1.I.bs.tar.gz#/sp-1.1.1.I.bs/include/Message.h

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// Copyright (c) 1994 James Clark
// See the file COPYING for copying permission.

#ifndef Message_INCLUDED
#define Message_INCLUDED 1

#ifdef __GNUG__
#pragma interface
#endif

#include <stddef.h>
#include "Location.h"
#include "Vector.h"
#include "CopyOwner.h"
#include "Boolean.h"
#include "StringC.h"
#include "MessageArg.h"

#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif

class SP_API MessageFragment {
public:
  enum {
    libModule = 0,
    appModule = 1
    };
  MessageFragment(unsigned module, unsigned number, const char *text = 0);
  unsigned module() const;
  unsigned number() const;
  const char *text() const;
private:
  unsigned short number_;
  unsigned char module_;
protected:
  unsigned char spare_;
private:
#ifndef SP_NO_MESSAGE_TEXT
  const char *text_;
#endif
};

class SP_API MessageType : public MessageFragment {
public:
  enum Severity {
    info,
    warning,
    quantityError,
    idrefError,
    error
    };
  MessageType(Severity, unsigned module, unsigned number,
	      const char *text = 0, const char *auxText = 0);
  Severity severity() const;
  MessageFragment auxFragment() const;
  Boolean isError() const;
private:
#ifndef SP_NO_MESSAGE_TEXT
  const char *auxText_;
#endif
};


class SP_API MessageType0 : public MessageType {
public:
  MessageType0(Severity, unsigned module, unsigned number, const char *text = 0);
};

class SP_API MessageType1 : public MessageType {
public:
  MessageType1(Severity, unsigned module, unsigned number, const char *text = 0);
};

class SP_API MessageType2 : public MessageType {
public:
  MessageType2(Severity, unsigned module, unsigned number, const char *text = 0);
};

class SP_API MessageType3 : public MessageType {
public:
  MessageType3(Severity, unsigned module, unsigned number, const char *text = 0);
};

class SP_API MessageType4 : public MessageType {
public:
  MessageType4(Severity, unsigned module, unsigned number, const char *text = 0);
};

class SP_API MessageType5 : public MessageType {
public:
  MessageType5(Severity, unsigned module, unsigned number, const char *text = 0);
};

class SP_API MessageType6 : public MessageType {
public:
  MessageType6(Severity, unsigned module, unsigned number, const char *text = 0);
};

class SP_API MessageType0L : public MessageType {
public:
  MessageType0L(Severity, unsigned module, unsigned number, const char *text = 0,
		const char *auxText = 0);
};

class SP_API MessageType1L : public MessageType {
public:
  MessageType1L(Severity, unsigned module, unsigned number, const char *text = 0,
		const char *auxText = 0);
};

class SP_API OpenElementInfo {
public:
  OpenElementInfo();
  PackedBoolean included;
  StringC gi;
  StringC matchType;
  unsigned matchIndex;
};

class SP_API Message {
public:
  Message();
  Message(int nArgs);
  const MessageType *type;
  Location loc;
  Location auxLoc;
  Vector<CopyOwner<MessageArg> > args;
  Vector<OpenElementInfo> openElementInfo;
  void swap(Message &);
  Boolean isError() const;
};

class SP_API Messenger {
public:
  Messenger();
  virtual ~Messenger();
  void message(const MessageType0 &);
  void message(const MessageType1 &, const MessageArg &);
  void message(const MessageType2 &,
	       const MessageArg &,
	       const MessageArg &);
  void message(const MessageType3 &,
	       const MessageArg &,
	       const MessageArg &,
	       const MessageArg &);
  void message(const MessageType4 &,
	       const MessageArg &,
	       const MessageArg &,
	       const MessageArg &,
	       const MessageArg &);
  void message(const MessageType5 &,
	       const MessageArg &,
	       const MessageArg &,
	       const MessageArg &,
	       const MessageArg &,
	       const MessageArg &);
  void message(const MessageType6 &,
	       const MessageArg &,
	       const MessageArg &,
	       const MessageArg &,
	       const MessageArg &,
	       const MessageArg &,
	       const MessageArg &);
  void message(const MessageType0L &, const Location &);
  void message(const MessageType1L &, const MessageArg &, const Location &);
  void setNextLocation(const Location &);
  virtual void initMessage(Message &);
  virtual void dispatchMessage(const Message &) = 0;
  virtual void dispatchMessage(Message &);
private:
  void doInitMessage(Message &);
  Boolean haveNextLocation_;
  Location nextLocation_;
};

class SP_API ForwardingMessenger : public Messenger {
public:
  ForwardingMessenger(Messenger &);
  void dispatchMessage(const Message &);
  void dispatchMessage(Message &);
  void initMessage(Message &);
private:
  Messenger *to_;
};

class SP_API ParentLocationMessenger : public ForwardingMessenger {
public:
  ParentLocationMessenger(Messenger &);
  void initMessage(Message &);
};

class SP_API NullMessenger : public Messenger {
public:
  NullMessenger();
  void dispatchMessage(const Message &);
};

inline
unsigned MessageFragment::module() const
{
  return module_;
}

inline
unsigned MessageFragment::number() const
{
  return number_;
}

inline
const char *MessageFragment::text() const
{
#ifdef SP_NO_MESSAGE_TEXT
  return 0;
#else
  return text_;
#endif
}

inline
MessageType::Severity MessageType::severity() const
{
  return Severity(spare_);
}

inline
MessageFragment MessageType::auxFragment() const
{
  return MessageFragment(module(),
			 number() + 1,
#ifdef SP_NO_MESSAGE_TEXT
			 0
#else
			 auxText_
#endif
			 );
}

inline
Boolean MessageType::isError() const
{
  return severity() != info && severity() != warning;
}

inline
Boolean Message::isError() const
{
  return type->isError();
}

#ifdef SP_NAMESPACE
}
#endif

#endif /* not Message_INCLUDED */

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.