#ifndef IFF_IFFPARSE_H
#define IFF_IFFPARSE_H
/*
** $Filename: libraries/iffparse.h $
** $Release: 2.04 Includes, V37.4 $
** $Revision: 33.1 $
** $Date: 90/11/20 $
**
** Structure definitions for the all new good nifty IFF code.
**
** (C) Copyright 1989-1991 Commodore-Amiga Inc., Stuart Ferguson, and
** Leo L. Schwab
** All Rights Reserved
*/

#ifndef EXEC_TYPES_H
#include <exec/types.h>
#endif
#ifndef EXEC_LISTS_H
#include <exec/lists.h>
#endif
#ifndef EXEC_PORTS_H
#include <exec/ports.h>
#endif
#ifndef DEVICES_CLIPBOARD_H
#include <devices/clipboard.h>
#endif


struct IFFHandle {
 ULONG iff_Stream;
 ULONG iff_Flags;
 LONG iff_Depth; 
 
};


#define IFFF_READ 0L 
#define IFFF_WRITE 1L 
#define IFFF_RWBITS (IFFF_READ | IFFF_WRITE) 
#define IFFF_FSEEK (1L<<1) 
#define IFFF_RSEEK (1L<<2) 
#define IFFF_RESERVED 0xFFFF0000L 


struct IFFStreamCmd {
 LONG sc_Command; 
 APTR sc_Buf; 
 LONG sc_NBytes; 
};


struct ContextNode {
 struct MinNode cn_Node;
 LONG cn_ID;
 LONG cn_Type;
 LONG cn_Size; 
 LONG cn_Scan; 
 
};


struct LocalContextItem {
 struct MinNode lci_Node;
 ULONG lci_ID,
 lci_Type,
 lci_Ident;
 
};


struct StoredProperty {
 LONG sp_Size;
 UBYTE *sp_Data;
};


struct CollectionItem {
 struct CollectionItem *ci_Next;
 LONG ci_Size;
 UBYTE *ci_Data;
};


struct ClipboardHandle {
 struct IOClipReq cbh_Req;
 struct MsgPort cbh_CBport;
 struct MsgPort cbh_SatisfyPort;
};


#define IFFERR_EOF -1L 
#define IFFERR_EOC -2L 
#define IFFERR_NOSCOPE -3L 
#define IFFERR_NOMEM -4L 
#define IFFERR_READ -5L 
#define IFFERR_WRITE -6L 
#define IFFERR_SEEK -7L 
#define IFFERR_MANGLED -8L 
#define IFFERR_SYNTAX -9L 
#define IFFERR_NOTIFF -10L 
#define IFFERR_NOHOOK -11L 
#define IFF_RETURN2CLIENT -12L 

#define MAKE_ID(a,b,c,d) \
 ((ULONG) (a)<<24 | (ULONG) (b)<<16 | (ULONG) (c)<<8 | (ULONG) (d))


#define ID_FORM MAKE_ID('F','O','R','M')
#define ID_LIST MAKE_ID('L','I','S','T')
#define ID_CAT MAKE_ID('C','A','T',' ')
#define ID_PROP MAKE_ID('P','R','O','P')
#define ID_NULL MAKE_ID(' ',' ',' ',' ')


#define IFFLCI_PROP MAKE_ID('p','r','o','p')
#define IFFLCI_COLLECTION MAKE_ID('c','o','l','l')
#define IFFLCI_ENTRYHANDLER MAKE_ID('e','n','h','d')
#define IFFLCI_EXITHANDLER MAKE_ID('e','x','h','d')


#define IFFPARSE_SCAN 0L
#define IFFPARSE_STEP 1L
#define IFFPARSE_RAWSTEP 2L


#define IFFSLI_ROOT 1L 
#define IFFSLI_TOP 2L 
#define IFFSLI_PROP 3L 


#define IFFSIZE_UNKNOWN -1L


#define IFFCMD_INIT 0 
#define IFFCMD_CLEANUP 1 
#define IFFCMD_READ 2 
#define IFFCMD_WRITE 3 
#define IFFCMD_SEEK 4 
#define IFFCMD_ENTRY 5 
#define IFFCMD_EXIT 6 
#define IFFCMD_PURGELCI 7 


#define IFFSCC_INIT IFFCMD_INIT
#define IFFSCC_CLEANUP IFFCMD_CLEANUP
#define IFFSCC_READ IFFCMD_READ
#define IFFSCC_WRITE IFFCMD_WRITE
#define IFFSCC_SEEK IFFCMD_SEEK

#endif