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/*
** IterateDirectory: File Manager directory iterator routines.
**
** by Jim Luther
**
** File: IterateDirectory.h
**
** Copyright (c) 1995-1998 Jim Luther and Apple Computer, Inc.
** All rights reserved.
**
** You may incorporate this sample code into your applications without
** restriction, though the sample code has been provided "AS IS" and the
** responsibility for its operation is 100% yours.
**
** IterateDirectory is designed to drop into the MoreFiles sample code
** library I wrote while in Apple Developer Technical Support
*/
#ifndef __RECURSEDIRECTORY__
#define __RECURSEDIRECTORY__
#include <Types.h>
#include <Files.h>
#ifdef __cplusplus
extern "C" {
#endif
/*****************************************************************************/
pascal OSErr RecurseDirectory(short vRefNum,
long dirID,
ConstStr255Param name,
unsigned short maxLevels );
/* Iterate (scan) through a directory's content.
The IterateDirectory function performs a recursive iteration (scan) of
the specified directory and calls your IterateFilterProc function once
for each file and directory found.
The maxLevels parameter lets you control how deep the recursion goes.
If maxLevels is 1, IterateDirectory only scans the specified directory;
if maxLevels is 2, IterateDirectory scans the specified directory and
one subdirectory below the specified directory; etc. Set maxLevels to
zero to scan all levels.
The yourDataPtr parameter can point to whatever data structure you might
want to access from within the IterateFilterProc.
vRefNum input: Volume specification.
dirID input: Directory ID.
name input: Pointer to object name, or nil when dirID
specifies a directory that's the object.
maxLevels input: Maximum number of directory levels to scan or
zero to scan all directory levels.
iterateFilter input: A pointer to the routine you want called once
for each file and directory found by
IterateDirectory.
yourDataPtr input: A pointer to whatever data structure you might
want to access from within the IterateFilterProc.
Result Codes
noErr 0 No error
nsvErr -35 No such volume
ioErr -36 I/O error
bdNamErr -37 Bad filename
fnfErr -43 File not found
paramErr -50 No default volume or iterateFilter was NULL
dirNFErr -120 Directory not found or incomplete pathname
or a file was passed instead of a directory
afpAccessDenied -5000 User does not have the correct access
afpObjectTypeErr -5025 Directory not found or incomplete pathname
__________
See also: RecurseFilterProcPtr, FSpRecurseDirectory
*/
/*****************************************************************************/
pascal OSErr FSpRecurseDirectory(const FSSpec *spec,
unsigned short maxLevels);
/* Iterate (scan) through a directory's content.
The FSpIterateDirectory function performs a recursive iteration (scan)
of the specified directory and calls your IterateFilterProc function once
for each file and directory found.
The maxLevels parameter lets you control how deep the recursion goes.
If maxLevels is 1, FSpIterateDirectory only scans the specified directory;
if maxLevels is 2, FSpIterateDirectory scans the specified directory and
one subdirectory below the specified directory; etc. Set maxLevels to
zero to scan all levels.
The yourDataPtr parameter can point to whatever data structure you might
want to access from within the IterateFilterProc.
spec input: An FSSpec record specifying the directory to scan.
maxLevels input: Maximum number of directory levels to scan or
zero to scan all directory levels.
iterateFilter input: A pointer to the routine you want called once
for each file and directory found by
FSpIterateDirectory.
yourDataPtr input: A pointer to whatever data structure you might
want to access from within the IterateFilterProc.
Result Codes
noErr 0 No error
nsvErr -35 No such volume
ioErr -36 I/O error
bdNamErr -37 Bad filename
fnfErr -43 File not found
paramErr -50 No default volume or iterateFilter was NULL
dirNFErr -120 Directory not found or incomplete pathname
afpAccessDenied -5000 User does not have the correct access
afpObjectTypeErr -5025 Directory not found or incomplete pathname
__________
See also: RecurseFilterProcPtr, RecurseDirectory
*/
/*****************************************************************************/
#endif /* __RECURSEDIRECTORY__ */
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