00001 00032 /* 00033 File: FSCopyObject.h 00034 00035 Contains: A Copy/Delete Files/Folders engine which uses the HFS+ API's 00036 00037 Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. 00038 ("Apple") in consideration of your agreement to the following terms, and your 00039 use, installation, modification or redistribution of this Apple software 00040 constitutes acceptance of these terms. If you do not agree with these terms, 00041 please do not use, install, modify or redistribute this Apple software. 00042 00043 In consideration of your agreement to abide by the following terms, and subject 00044 to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs 00045 copyrights in this original Apple software (the "Apple Software"), to use, 00046 reproduce, modify and redistribute the Apple Software, with or without 00047 modifications, in source and/or binary forms; provided that if you redistribute 00048 the Apple Software in its entirety and without modifications, you must retain 00049 this notice and the following text and disclaimers in all such redistributions of 00050 the Apple Software. Neither the name, trademarks, service marks or logos of 00051 Apple Computer, Inc. may be used to endorse or promote products derived from the 00052 Apple Software without specific prior written permission from Apple. Except as 00053 expressly stated in this notice, no other rights or licenses, express or implied, 00054 are granted by Apple herein, including but not limited to any patent rights that 00055 may be infringed by your derivative works or by other works in which the Apple 00056 Software may be incorporated. 00057 00058 The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO 00059 WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED 00060 WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00061 PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN 00062 COMBINATION WITH YOUR PRODUCTS. 00063 00064 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR 00065 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 00066 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00067 ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION 00068 OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT 00069 (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN 00070 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00071 00072 Copyright © 2002-2004 Apple Computer, Inc., All Rights Reserved 00073 */ 00074 00075 00076 #ifndef __FSCOPYOBJECT_H__ 00077 #define __FSCOPYOBJECT_H__ 00078 00079 #ifdef __cplusplus 00080 extern "C" { 00081 #endif 00082 00083 #if TARGET_API_MAC_OSX || defined( __APPLE_CC__ ) 00084 #include <CoreServices/CoreServices.h> 00085 #endif 00086 00087 #define DEBUG 1 /* set to zero if you don't want debug spew */ 00088 00089 #if DEBUG 00090 #include <stdio.h> 00091 00092 #define QuoteExceptionString(x) #x 00093 00094 #define dwarning(s) do { printf s; fflush(stderr); } while( 0 ) 00095 00096 #define mycheck_noerr( error ) \ 00097 do { \ 00098 if( (OSErr) error != noErr ) { \ 00099 dwarning((QuoteExceptionString(error) " != noErr in File: %s, Function: %s, Line: %d, Error: %d\n", \ 00100 __FILE__, __FUNCTION__, __LINE__, (OSErr) error)); \ 00101 } \ 00102 } while( false ) 00103 00104 #define mycheck( assertion ) \ 00105 do { \ 00106 if( ! assertion ) { \ 00107 dwarning((QuoteExceptionString(assertion) " failed in File: %s, Function: %s, Line: %d\n", \ 00108 __FILE__, __FUNCTION__, __LINE__)); \ 00109 } \ 00110 } while( false ) 00111 00112 #define myverify(assertion) mycheck(assertion) 00113 #define myverify_noerr(assertion) mycheck_noerr( (assertion) ) 00114 #else 00115 #define dwarning(s) 00116 00117 #define mycheck(assertion) 00118 #define mycheck_noerr(err) 00119 #define myverify(assertion) do { (void) (assertion); } while (0) 00120 #define myverify_noerr(assertion) myverify(assertion) 00121 #endif 00122 00123 /* 00124 This code takes some tricks/techniques from MoreFilesX (by Jim Luther) and 00125 MPFileCopy (by Quinn), wraps them all up into an easy to use API, and adds a bunch of 00126 features and bug fixes. It will run on Mac OS 9.1 through 9.2.x and 10.1.x 00127 and up (Classic, Carbon and Mach-O) 00128 */ 00129 00130 /* Different options that FSCopyObject can take during a copy */ 00131 typedef UInt32 DupeAction; 00132 enum { 00133 kDupeActionStandard, /* will do the copy with no frills */ 00134 kDupeActionReplace, /* will delete the existing object and then copy over the new one */ 00135 kDupeActionRename /* will rename the new object if an object of the same name exists */ 00136 }; 00137 00138 /*****************************************************************************/ 00139 00140 #pragma mark CopyObjectFilterProcPtr 00141 00142 /* 00143 This is the prototype for the CallCopyObjectFilterProc function which 00144 is called once for each file and directory found by FSCopyObject. 00145 The CallCopyObjectFilterProc can use the read-only data it receives for 00146 whatever it wants. 00147 00148 The result of the CallCopyObjectFilterProc function indicates if 00149 the copy should be stopped. To stop the copy, return an error; to continue 00150 the copy, return noErr. 00151 00152 The yourDataPtr parameter can point to whatever data structure you might 00153 want to access from within the CallCopyObjectFilterProc. 00154 00155 Note: If an error had occured during the copy of the current object 00156 (currentOSErr != noErr) the FSRef etc might not be valid 00157 00158 containerChanged --> Set to true if the container's contents changed 00159 during iteration. 00160 currentLevel --> The current recursion level into the container. 00161 1 = the container, 2 = the container's immediate 00162 subdirectories, etc. 00163 currentOSErr --> The current error code, shows the results of the 00164 copy of the current object (ref) 00165 catalogInfo --> The catalog information for the current object. 00166 Only the fields requested by the whichInfo 00167 parameter passed to FSIterateContainer are valid. 00168 ref --> The FSRef to the current object. 00169 spec --> The FSSpec to the current object if the wantFSSpec 00170 parameter passed to FSCopyObject is true. 00171 name --> The name of the current object if the wantName 00172 parameter passed to FSCopyObject is true. 00173 yourDataPtr --> An optional pointer to whatever data structure you 00174 might want to access from within the 00175 CallCopyObjectFilterProc. 00176 result <-- To continue the copy, return noErr 00177 00178 __________ 00179 00180 Also see: FSCopyObject 00181 */ 00182 00183 typedef CALLBACK_API( OSErr , CopyObjectFilterProcPtr ) ( 00184 Boolean containerChanged, 00185 ItemCount currentLevel, 00186 OSErr currentOSErr, 00187 const FSCatalogInfo *catalogInfo, 00188 const FSRef *ref, 00189 const FSSpec *spec, 00190 const HFSUniStr255 *name, 00191 void *yourDataPtr); 00192 00193 00194 /*****************************************************************************/ 00195 00196 #pragma mark CallCopyObjectFilterProc 00197 00198 #define CallCopyObjectFilterProc(userRoutine, containerChanged, currentLevel, currentOSErr, catalogInfo, ref, spec, name, yourDataPtr) \ 00199 (*(userRoutine))((containerChanged), (currentLevel), (currentOSErr), (catalogInfo), (ref), (spec), (name), (yourDataPtr)) 00200 00201 /*****************************************************************************/ 00202 00203 #pragma mark FSCopyObject 00204 00205 /* 00206 The FSCopyObject function takes a source object (can be a file or directory) 00207 and copies it (and its contents if it's a directory) to the new destination 00208 directory. 00209 00210 It will call your CopyObjectFilterProcPtr once for each object copied 00211 00212 The maxLevels parameter is only used when the object is a directory, 00213 ignored otherwise. 00214 It lets you control how deep the recursion goes. 00215 If maxLevels is 1, FSCopyObject only scans the specified directory; 00216 if maxLevels is 2, FSCopyObject scans the specified directory and 00217 one subdirectory below the specified directory; etc. Set maxLevels to 00218 zero to scan all levels. 00219 00220 The yourDataPtr parameter can point to whatever data structure you might 00221 want to access from within your CopyObjectFilterProcPtr. 00222 00223 source --> The FSRef to the object you want to copy 00224 destDir --> The FSRef to the directory you wish to copy source to 00225 maxLevels --> Maximum number of directory levels to scan or 00226 zero to scan all directory levels, ignored if the 00227 object is a file 00228 whichInfo --> The fields of the FSCatalogInfo you wish passed 00229 to you in your CopyObjectFilterProc 00230 dupeAction --> The action to take if an object of the same name exists 00231 in the destination 00232 newName --> The name you want the new object to have. If you pass 00233 in NULL, the source object name will be used. 00234 wantFSSpec --> Set to true if you want the FSSpec to each 00235 object passed to your CopyObjectFilterProc. 00236 wantName --> Set to true if you want the name of each 00237 object passed to your CopyObjectFilterProc. 00238 filterProcPtr --> A pointer to the CopyObjectFilterProc you 00239 want called once for each object found 00240 by FSCopyObject. 00241 yourDataPtr --> An optional pointer to whatever data structure you 00242 might want to access from within the 00243 CopyObjectFilterProc. 00244 newObjectRef --> An optional pointer to an FSRef that, on return, 00245 references the new object. If you don't want this 00246 info returned, pass in NULL 00247 newObjectSpec --> An optional pointer to an FSSPec that, on return, 00248 references the new object. If you don't want this 00249 info returned, pass in NULL 00250 */ 00251 00252 OSErr FSCopyObject( const FSRef *source, 00253 const FSRef *destDir, 00254 ItemCount maxLevels, 00255 FSCatalogInfoBitmap whichInfo, 00256 DupeAction dupeAction, 00257 const HFSUniStr255 *newName, /* can be NULL */ 00258 Boolean wantFSSpec, 00259 Boolean wantName, 00260 CopyObjectFilterProcPtr filterProcPtr, /* can be NULL */ 00261 void *yourDataPtr, /* can be NULL */ 00262 FSRef *newObjectRef, /* can be NULL */ 00263 FSSpec *newObjectSpec); /* can be NULL */ 00264 00265 /*****************************************************************************/ 00266 00267 #pragma mark FSDeleteObjects 00268 00269 /* 00270 The FSDeleteObjects function takes an FSRef to a file or directory 00271 and attempts to delete it. If the object is a directory, all files 00272 and subdirectories in the specified directory are deleted. If a 00273 locked file or directory is encountered, it is unlocked and then 00274 deleted. After deleting the directory's contents, the directory 00275 is deleted. If any unexpected errors are encountered, 00276 FSDeleteContainer quits and returns to the caller. 00277 00278 source --> FSRef to an object (can be file or directory). 00279 00280 __________ 00281 */ 00282 00283 OSErr FSDeleteObjects( const FSRef *source ); 00284 00285 #ifdef __cplusplus 00286 } 00287 #endif 00288 00289 #endif
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