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Docs » Include » dos » dosasl.h / .i
#ifndef DOS_DOSASL_H
#define DOS_DOSASL_H
/*
**
**	$VER: dosasl.h 36.16 (2.5.1991)
**	Includes Release 45.1
**
**	Pattern-matching structure definitions
**
**	(C) Copyright 1989-2001 Amiga, Inc.
**	    All Rights Reserved
**
*/

#ifndef EXEC_LIBRARIES_H
#include <exec/libraries.h>
#endif

#ifndef EXEC_LISTS_H
#include <exec/lists.h>
#endif

#ifndef DOS_DOS_H
#include <dos/dos.h>
#endif


/***********************************************************************
************************ PATTERN MATCHING ******************************
************************************************************************

* structure expected by MatchFirst, MatchNext.
* Allocate this structure and initialize it as follows:
*
* Set ap_BreakBits to the signal bits (CDEF) that you want to take a
* break on, or NULL, if you don't want to convenience the user.
*
* If you want to have the FULL PATH NAME of the files you found,
* allocate a buffer at the END of this structure, and put the size of
* it into ap_Strlen.  If you don't want the full path name, make sure
* you set ap_Strlen to zero.  In this case, the name of the file, and stats
* are available in the ap_Info, as per usual.
*
* Then call MatchFirst() and then afterwards, MatchNext() with this structure.
* You should check the return value each time (see below) and take the
* appropriate action, ultimately calling MatchEnd() when there are
* no more files and you are done.  You can tell when you are done by
* checking for the normal AmigaDOS return code ERROR_NO_MORE_ENTRIES.
*
*/

struct AnchorPath {
	struct AChain	*ap_Base;	/* pointer to first anchor */
#define	ap_First ap_Base
	struct AChain	*ap_Last;	/* pointer to last anchor */
#define ap_Current ap_Last
	LONG	ap_BreakBits;	/* Bits we want to break on */
	LONG	ap_FoundBreak;	/* Bits we broke on. Also returns ERROR_BREAK */
	BYTE	ap_Flags;	/* New use for extra word. */
	BYTE	ap_Reserved;
	WORD	ap_Strlen;	/* This is what ap_Length used to be */
#define	ap_Length ap_Flags	/* Old compatability for LONGWORD ap_Length */
	struct	FileInfoBlock ap_Info;
	UBYTE	ap_Buf[1];	/* Buffer for path name, allocated by user */
	/* FIX! */
};


#define	APB_DOWILD	0	/* User option ALL */
#define APF_DOWILD	1

#define	APB_ITSWILD	1	/* Set by MatchFirst, used by MatchNext	 */
#define APF_ITSWILD	2	/* Application can test APB_ITSWILD, too */
				/* (means that there's a wildcard	 */
				/* in the pattern after calling		 */
				/* MatchFirst).				 */

#define	APB_DODIR	2	/* Bit is SET if a DIR node should be */
#define APF_DODIR	4	/* entered. Application can RESET this */
				/* bit after MatchFirst/MatchNext to AVOID */
				/* entering a dir. */

#define	APB_DIDDIR	3	/* Bit is SET for an "expired" dir node. */
#define APF_DIDDIR	8

#define	APB_NOMEMERR	4	/* Set on memory error */
#define APF_NOMEMERR	16

#define	APB_DODOT	5	/* If set, allow conversion of '.' to */
#define APF_DODOT	32	/* CurrentDir */

#define APB_DirChanged	6	/* ap_Current->an_Lock changed */
#define APF_DirChanged	64	/* since last MatchNext call */

#define APB_FollowHLinks 7	/* follow hardlinks on DODIR - defaults   */
#define APF_FollowHLinks 128	/* to not following hardlinks on a DODIR. */


struct AChain {
	struct AChain *an_Child;
	struct AChain *an_Parent;
	BPTR	an_Lock;
	struct FileInfoBlock an_Info;
	BYTE	an_Flags;
	UBYTE	an_String[1];	/* FIX!! */
};

#define	DDB_PatternBit	0
#define	DDF_PatternBit	1
#define	DDB_ExaminedBit	1
#define	DDF_ExaminedBit	2
#define	DDB_Completed	2
#define	DDF_Completed	4
#define	DDB_AllBit	3
#define	DDF_AllBit	8
#define	DDB_Single	4
#define	DDF_Single	16

/*
 * Constants used by wildcard routines, these are the pre-parsed tokens
 * referred to by pattern match.  It is not necessary for you to do
 * anything about these, MatchFirst() MatchNext() handle all these for you.
 */

#define P_ANY		0x80	/* Token for '*' or '#?  */
#define P_SINGLE	0x81	/* Token for '?' */
#define P_ORSTART	0x82	/* Token for '(' */
#define P_ORNEXT	0x83	/* Token for '|' */
#define P_OREND	0x84	/* Token for ')' */
#define P_NOT		0x85	/* Token for '~' */
#define P_NOTEND	0x86	/* Token for */
#define P_NOTCLASS	0x87	/* Token for '^' */
#define P_CLASS	0x88	/* Token for '[]' */
#define P_REPBEG	0x89	/* Token for '[' */
#define P_REPEND	0x8A	/* Token for ']' */
#define P_STOP		0x8B	/* token to force end of evaluation */

/* Values for an_Status, NOTE: These are the actual bit numbers */

#define COMPLEX_BIT	1	/* Parsing complex pattern */
#define EXAMINE_BIT	2	/* Searching directory */

/*
 * Returns from MatchFirst(), MatchNext()
 * You can also get dos error returns, such as ERROR_NO_MORE_ENTRIES,
 * these are in the dos.h file.
 */

#define ERROR_BUFFER_OVERFLOW	303	/* User or internal buffer overflow */
#define ERROR_BREAK		304	/* A break character was received */
#define ERROR_NOT_EXECUTABLE	305	/* A file has E bit cleared */

#endif /* DOS_DOSASL_H */

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