/*
 *  pswdict.h
 *
 * (c) Copyright 1988-1994 Adobe Systems Incorporated.
 * All rights reserved.
 * 
 * Permission to use, copy, modify, distribute, and sublicense this software
 * and its documentation for any purpose and without fee is hereby granted,
 * provided that the above copyright notices appear in all copies and that
 * both those copyright notices and this permission notice appear in
 * supporting documentation and that the name of Adobe Systems Incorporated
 * not be used in advertising or publicity pertaining to distribution of the
 * software without specific, written prior permission.  No trademark license
 * to use the Adobe trademarks is hereby granted.  If the Adobe trademark
 * "Display PostScript"(tm) is used to describe this software, its
 * functionality or for any other purpose, such use shall be limited to a
 * statement that this software works in conjunction with the Display
 * PostScript system.  Proper trademark attribution to reflect Adobe's
 * ownership of the trademark shall be given whenever any such reference to
 * the Display PostScript system is made.
 * 
 * ADOBE MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THE SOFTWARE FOR
 * ANY PURPOSE.  IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.
 * ADOBE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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 * 
 * Adobe, PostScript, and Display PostScript are trademarks of Adobe Systems
 * Incorporated which may be registered in certain jurisdictions
 * 
 * Author:  Adobe Systems Incorporated
 */

#ifndef	PSWDICT_H
#define	PSWDICT_H

typedef struct _t_PSWDictRec *PSWDict;
/* Opaque designator for a dictionary */

typedef long int PSWDictValue; /* non-negative */
typedef char *PSWAtom;

/* PROCEDURES */

/* NOTES 
   The name parameters defined below are NULL-terminated C strings.
   None of the name parameters are handed off, i.e. the caller is
   responsible for managing their storage. */

extern PSWDict CreatePSWDict(int /* nEntries */);
/* nEntries is a hint. Creates and returns a new dictionary */

extern void DestroyPSWDict(PSWDict /* dict */);
/* Destroys a dictionary */

extern PSWDictValue PSWDictLookup(PSWDict /* dict */, char * /* name */);
/* -1 => not found. */

extern PSWDictValue PSWDictEnter
  (PSWDict /* dict */, char * /* name */, PSWDictValue /* value */);
/*  0 => normal return (not found)
   -1 => found. If found, the old value gets replaced with the new one. */

extern PSWDictValue PSWDictRemove(PSWDict /* dict */, char * /* name */);
/* -1 => not found. If found, value is returned. */

extern PSWAtom MakeAtom(char * /* name */);

extern PSWDict wellKnownPSNames;

#endif /* PSWDICT_H */