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Autodocs Include classes clib datatypes devices diskfont dos exec gadgets graphics hardware images intuition libraries HDW_CallBackMsgs.h amigaguide.h / .i aml.h asl.h / .i commodities.h / .i configregs.h / .i configvars.h / .i diskfont.h / .i diskfonttag.h dos.h / .i dos_lib.i dosextens.h / .i expansion.h / .i expansionbase.h / .i filehandler.h / .i gadtools.h / .i hdwrench.h iffparse.h / .i locale.h / .i lowlevel.h / .i mathffp.h mathieeedp.h mathieeesp.h mathlibrary.h / .i mathresource.h / .i nonvolatile.h / .i realtime.h / .i resource.h translator.h / .i pragma pragmas prefs proto reaction resources rexx utility workbench GuruMeditation | #ifndef IFF_IFFPARSE_H #define IFF_IFFPARSE_H /* ** $VER: iffparse.h 39.1 (1.6.1992) ** Includes Release 45.1 ** ** iffparse.library structures and constants ** ** (C) Copyright 1989-2001 Amiga, Inc. ** (C) Copyright 1989-1990 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 /*****************************************************************************/ /* Structure associated with an active IFF stream. * "iff_Stream" is a value used by the client's read/write/seek functions - * it will not be accessed by the library itself and can have any value * (could even be a pointer or a BPTR). * * This structure can only be allocated by iffparse.library */ struct IFFHandle { ULONG iff_Stream; ULONG iff_Flags; LONG iff_Depth; /* Depth of context stack */ }; /* bit masks for "iff_Flags" field */ #define IFFF_READ 0L /* read mode - default */ #define IFFF_WRITE 1L /* write mode */ #define IFFF_RWBITS (IFFF_READ | IFFF_WRITE) /* read/write bits */ #define IFFF_FSEEK (1L<<1) /* forward seek only */ #define IFFF_RSEEK (1L<<2) /* random seek */ #define IFFF_RESERVED 0xFFFF0000L /* Don't touch these bits */ /*****************************************************************************/ /* When the library calls your stream handler, you'll be passed a pointer * to this structure as the "message packet". */ struct IFFStreamCmd { LONG sc_Command; /* Operation to be performed (IFFCMD_) */ APTR sc_Buf; /* Pointer to data buffer */ LONG sc_NBytes; /* Number of bytes to be affected */ }; /*****************************************************************************/ /* A node associated with a context on the iff_Stack. Each node * represents a chunk, the stack representing the current nesting * of chunks in the open IFF file. Each context node has associated * local context items in the (private) LocalItems list. The ID, type, * size and scan values describe the chunk associated with this node. * * This structure can only be allocated by iffparse.library */ struct ContextNode { struct MinNode cn_Node; LONG cn_ID; LONG cn_Type; LONG cn_Size; /* Size of this chunk */ LONG cn_Scan; /* # of bytes read/written so far */ }; /*****************************************************************************/ /* Local context items live in the ContextNode's. Each class is identified * by its lci_Ident code and has a (private) purge vector for when the * parent context node is popped. * * This structure can only be allocated by iffparse.library */ struct LocalContextItem { struct MinNode lci_Node; ULONG lci_ID; ULONG lci_Type; ULONG lci_Ident; }; /*****************************************************************************/ /* StoredProperty: a local context item containing the data stored * from a previously encountered property chunk. */ struct StoredProperty { LONG sp_Size; APTR sp_Data; }; /*****************************************************************************/ /* Collection Item: the actual node in the collection list at which * client will look. The next pointers cross context boundaries so * that the complete list is accessable. */ struct CollectionItem { struct CollectionItem *ci_Next; LONG ci_Size; APTR ci_Data; }; /*****************************************************************************/ /* Structure returned by OpenClipboard(). You may do CMD_POSTs and such * using this structure. However, once you call OpenIFF(), you may not * do any more of your own I/O to the clipboard until you call CloseIFF(). */ struct ClipboardHandle { struct IOClipReq cbh_Req; struct MsgPort cbh_CBport; struct MsgPort cbh_SatisfyPort; }; /*****************************************************************************/ /* IFF return codes. Most functions return either zero for success or * one of these codes. The exceptions are the read/write functions which * return positive values for number of bytes or records read or written, * or a negative error code. Some of these codes are not errors per sae, * but valid conditions such as EOF or EOC (End of Chunk). */ #define IFFERR_EOF -1L /* Reached logical end of file */ #define IFFERR_EOC -2L /* About to leave context */ #define IFFERR_NOSCOPE -3L /* No valid scope for property */ #define IFFERR_NOMEM -4L /* Internal memory alloc failed */ #define IFFERR_READ -5L /* Stream read error */ #define IFFERR_WRITE -6L /* Stream write error */ #define IFFERR_SEEK -7L /* Stream seek error */ #define IFFERR_MANGLED -8L /* Data in file is corrupt */ #define IFFERR_SYNTAX -9L /* IFF syntax error */ #define IFFERR_NOTIFF -10L /* Not an IFF file */ #define IFFERR_NOHOOK -11L /* No call-back hook provided */ #define IFF_RETURN2CLIENT -12L /* Client handler normal return */ /*****************************************************************************/ #define MAKE_ID(a,b,c,d) \ ((ULONG) (a)<<24 | (ULONG) (b)<<16 | (ULONG) (c)<<8 | (ULONG) (d)) /* Universal IFF identifiers */ #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(' ',' ',' ',' ') /* Identifier codes for universally recognized local context items */ #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') /*****************************************************************************/ /* Control modes for ParseIFF() function */ #define IFFPARSE_SCAN 0L #define IFFPARSE_STEP 1L #define IFFPARSE_RAWSTEP 2L /*****************************************************************************/ /* Control modes for StoreLocalItem() function */ #define IFFSLI_ROOT 1L /* Store in default context */ #define IFFSLI_TOP 2L /* Store in current context */ #define IFFSLI_PROP 3L /* Store in topmost FORM or LIST */ /*****************************************************************************/ /* Magic value for writing functions. If you pass this value in as a size * to PushChunk() when writing a file, the parser will figure out the * size of the chunk for you. If you know the size, is it better to * provide as it makes things faster. */ #define IFFSIZE_UNKNOWN -1L /*****************************************************************************/ /* Possible call-back command values */ #define IFFCMD_INIT 0 /* Prepare the stream for a session */ #define IFFCMD_CLEANUP 1 /* Terminate stream session */ #define IFFCMD_READ 2 /* Read bytes from stream */ #define IFFCMD_WRITE 3 /* Write bytes to stream */ #define IFFCMD_SEEK 4 /* Seek on stream */ #define IFFCMD_ENTRY 5 /* You just entered a new context */ #define IFFCMD_EXIT 6 /* You're about to leave a context */ #define IFFCMD_PURGELCI 7 /* Purge a LocalContextItem */ /*****************************************************************************/ /* Obsolete IFFParse definitions, here for source code compatibility only. * Please do NOT use in new code. * * #define IFFPARSE_V37_NAMES_ONLY to remove these older names */ #ifndef IFFPARSE_V37_NAMES_ONLY #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 /*****************************************************************************/ #endif /* IFFPARSE_H */ Comments |
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