/*
  ParseFields.h -- interface to parsing for plot classes
  @(#) ParseFields.h 1.6 05/08/19 SwRI
*/

/* guard against multiple inclusion */
#ifndef ParseFields_h
#define ParseFields_h

#include <stdio.h>		/* for FILE,etc. */

typedef char boole;		/* 1 byte boolean */

/* macros for struct field offsets */
#define FieldAddress(base,offset) \
  (((char *)base) + offset)
#define FieldOffset(ptr_type,field) \
  ((unsigned int)(((char *)&(((ptr_type)NULL)->field)) - ((char *)NULL)))
#define FieldOffsetOf(struct_type,field) \
  FieldOffset(struct_type *,field)

/* ParseSpec -- specifies nested parse */
typedef void (*RESTORE_FUN)(FILE *,char *,void *,int);
typedef struct ParseSpecS {
  char *tag;			/* token's name                             */
  unsigned int offset;		/* offset bytes into base                   */
  RESTORE_FUN create;		/* restores field in struct                 */
} ParseSpec;

/* BooleRestore -- restore boolean field */
void 
BooleRestore(FILE  *fp,char  *line,void  *parent,int  offset)
;

/* DoubleRestore -- restore double field */
void 
DoubleRestore(FILE  *fp,char  *line,void  *parent,int  offset)
;
/* FloatRestore -- restore float field */
void 
FloatRestore(FILE  *fp,char  *line,void  *parent,int  offset)
;
/* IntRestore -- restore int field */
void 
IntRestore(FILE  *fp,char  *line,void  *parent,int  offset)
;
/* NilTok */
ParseSpec *
NilTok()
;
/* ParseFields -- read and parse fields of data structure */
void
ParseFields(
FILE  *fp,
void  *parent,
ParseSpec  *tok)
;
/* ParseFieldsInBlock -- read and parse fields until EndStr */
void
ParseFieldsInBlock(
FILE  *fp,
void  *parent,
ParseSpec  *tok,
char  *EndStr)
;
/* ShortRestore -- restore short field */
void 
ShortRestore(FILE  *fp,char  *line,void  *parent,int  offset)
;
/* StrDupRestore -- restore strings */
void 
StrDupRestore(FILE  *fp,char  *line,void  *parent,int  offset)
;
/* StringRestore -- restore strings */
void 
StringRestore(FILE  *fp,char  *line,void  *parent,int  offset)
;
#endif