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- /*
- File: PackageUtils.c
-
- Description:
- PackageTool is an application illustrating how to create application
- packages in Mac OS 9. It provides a simple interface for converting
- correctly formatted folders into packages and vice versa.
-
- Copyright:
- © Copyright 1999 Apple Computer, Inc. All rights reserved.
-
- Disclaimer:
- IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc.
- ("Apple") in consideration of your agreement to the following terms, and your
- use, installation, modification or redistribution of this Apple software
- constitutes acceptance of these terms. If you do not agree with these terms,
- please do not use, install, modify or redistribute this Apple software.
-
- In consideration of your agreement to abide by the following terms, and subject
- to these terms, Apple grants you a personal, non-exclusive license, under Apple’s
- copyrights in this original Apple software (the "Apple Software"), to use,
- reproduce, modify and redistribute the Apple Software, with or without
- modifications, in source and/or binary forms; provided that if you redistribute
- the Apple Software in its entirety and without modifications, you must retain
- this notice and the following text and disclaimers in all such redistributions of
- the Apple Software. Neither the name, trademarks, service marks or logos of
- Apple Computer, Inc. may be used to endorse or promote products derived from the
- Apple Software without specific prior written permission from Apple. Except as
- expressly stated in this notice, no other rights or licenses, express or implied,
- are granted by Apple herein, including but not limited to any patent rights that
- may be infringed by your derivative works or by other works in which the Apple
- Software may be incorporated.
-
- The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO
- WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
- WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
- COMBINATION WITH YOUR PRODUCTS.
-
- IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
- OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
- (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN
- ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- Change History (most recent first):
- Fri, Dec 17, 1999 -- created
- */
-
-
-
- #include "PackageUtils.h"
- #include <Aliases.h>
-
- /* IdentifyPackage returns true if the file system object refered to
- by *target refers to a package. If it is a package, then
- *mainPackageFile is set to refer to the package's main file. */
- Boolean IdentifyPackage(FSSpec *target, FSSpec *mainPackageFile) {
- CInfoPBRec cat;
- OSErr err;
- long packageFolderDirID;
- Str255 name;
- FSSpec aliasFile;
- Boolean targetIsFolder, wasAliased;
- /* check the target's flags */
- cat.dirInfo.ioNamePtr = target->name;
- cat.dirInfo.ioVRefNum = target->vRefNum;
- cat.dirInfo.ioFDirIndex = 0;
- cat.dirInfo.ioDrDirID = target->parID;
- err = PBGetCatInfoSync(&cat);
- if (err != noErr) return false;
- if (((cat.dirInfo.ioFlAttrib & 16) != 0) && ((cat.dirInfo.ioDrUsrWds.frFlags & kHasBundle) != 0)) {
- /* search for a top level alias file */
- packageFolderDirID = cat.dirInfo.ioDrDirID;
- cat.dirInfo.ioNamePtr = name;
- cat.dirInfo.ioVRefNum = target->vRefNum;
- cat.dirInfo.ioFDirIndex = 1;
- cat.dirInfo.ioDrDirID = packageFolderDirID;
- /* find the first alias file in the directory */
- while (PBGetCatInfoSync(&cat) == noErr) {
- if (((cat.dirInfo.ioFlAttrib & 16) == 0) && ((cat.dirInfo.ioDrUsrWds.frFlags & kIsAlias) != 0)) {
- err = FSMakeFSSpec(target->vRefNum, packageFolderDirID, name, &aliasFile);
- if (err != noErr) return false;
- err = ResolveAliasFile(&aliasFile, false, &targetIsFolder, &wasAliased);
- if (err != noErr) return false;
- if (mainPackageFile != NULL)
- *mainPackageFile = aliasFile;
- return true;
- }
- cat.dirInfo.ioFDirIndex++;
- cat.dirInfo.ioDrDirID = packageFolderDirID;
- }
- }
- /* no matching files found */
- return false;
- }
-
-