From 5baebab14c81f746d1192cefffa37a815064c1bc Mon Sep 17 00:00:00 2001
From: Robert Osfield <robert@openscenegraph.com>
Date: Thu, 18 Nov 2004 16:25:14 +0000
Subject: [PATCH] Removed old and used FileUtils_Mac.cpp

---
 src/osgDB/FileUtils.cpp     |   6 -
 src/osgDB/FileUtils_Mac.cpp | 546 ------------------------------------
 2 files changed, 552 deletions(-)
 delete mode 100644 src/osgDB/FileUtils_Mac.cpp

diff --git a/src/osgDB/FileUtils.cpp b/src/osgDB/FileUtils.cpp
index 643b62bba..29762335e 100644
--- a/src/osgDB/FileUtils.cpp
+++ b/src/osgDB/FileUtils.cpp
@@ -10,9 +10,6 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
  * OpenSceneGraph Public License for more details.
 */
-#if 0 // defined(__APPLE__)
-#include "FileUtils_Mac.cpp" // this is not functional yet -- fix!
-#else
 
 // currently this impl is for _all_ platforms, execpt as defined.
 // the mac version will change soon to reflect the path scheme under osx, but
@@ -339,9 +336,6 @@ std::string osgDB::findFileInDirectory(const std::string& fileName,const std::st
 
 #endif // unix getDirectoryContexts
 
-#endif // ! target mac carbon
-
-
 
 /////////////////////////////////////////////////////////////////////////////////////////////////
 //
diff --git a/src/osgDB/FileUtils_Mac.cpp b/src/osgDB/FileUtils_Mac.cpp
deleted file mode 100644
index b34e905be..000000000
--- a/src/osgDB/FileUtils_Mac.cpp
+++ /dev/null
@@ -1,546 +0,0 @@
-/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 Robert Osfield 
- *
- * This library is open source and may be redistributed and/or modified under  
- * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
- * (at your option) any later version.  The full license is in LICENSE file
- * included with this distribution, and on the openscenegraph.org website.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
- * OpenSceneGraph Public License for more details.
-*/
-// FileUtil_Mac asses that defined(TARGET_API_MAC_CARBON) is valid.
-#include <CoreServices/CoreServices.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <osg/Notify>
-#include <osg/Node>
-#include <osg/Geode>
-#include <osg/Group>
-
-#include <osgDB/FileUtils>
-#include <osgDB/FileNameUtils>
-#include <osgDB/Registry>
-
-using namespace osg;
-using namespace osgDB;
-using namespace std;
-
-// follows is definition of strdup for compatibility under mac,
-// However, I'd prefer to migrate all the findFindInPath tools to use
-// std::string's and then be able to remove the following definition.
-// My objective is to minimize the number of platform #ifdef's as they
-// are source of potential bugs and developer confusion.
-
-#define FILEUTILS_MAX_PATH_LENGTH 2048
-
-char *PathDelimitor = " ";
-static const char *s_default_file_path = ":";
-static const char *s_default_dso_path = ":";
-static char *s_filePath = ":";
-
-static bool s_filePathInitialized = false;
-
-// MACOS utilities
-
- /** MAC Carbon only : get an FSSpec for the named file system object (file or folder) contained within the specified folder
-    ridiculous that this kind of thing doesn't seem to be built into carbon. or manybe I'm just not finding it ?
-    give me back my cocoa.
-    TODO : we should probably do a version of this routine that searches subfolders too
- */
-static OSErr getObjectContainedInFolder(const std::string& objectName,FSSpecPtr containingFolder,FSSpecPtr theFSSpecPtr)
- {
-    FSRef	theObjectRef;
-    FSRef	containingFolderRef;
-    CFStringRef unicodeObjectName;
-    OSErr	errCode;
-    UniChar	objectNameChars[ 255 ];
-    CFIndex	nameLength;
-    
- 
-    errCode=FSpMakeFSRef(containingFolder,&containingFolderRef); // make FSREf to containing folder
-    if(errCode==noErr)
-    {
-        unicodeObjectName=CFStringCreateWithCString (NULL,objectName.c_str(),kCFStringEncodingASCII);
-        nameLength=CFStringGetLength( unicodeObjectName );
-        CFStringGetCharacters( unicodeObjectName, CFRangeMake( 0, nameLength ), &objectNameChars[0] );
-        errCode=FSMakeFSRefUnicode (&containingFolderRef,nameLength,objectNameChars,CFStringGetSystemEncoding(),&theObjectRef);
-        CFRelease(unicodeObjectName);
-        if(errCode==noErr)
-        {// the object exists, so we just have to make an FSSpec from the FSRef.
-            return FSGetCatalogInfo (&theObjectRef, kFSCatInfoNone, NULL,NULL,theFSSpecPtr,NULL);
-        }
-    }
-    return errCode;
- }
- 
- /** MAC Carbon only : get an FSSpec for the named file system object (file or folder) contained within the specified folder
-    this just makes an FSSpec and calls the getObjectContainedInFolder
-*/
-
- static OSErr getObjectContainedInFolder(const std::string& objectName,SInt16 containingFolderVolRef, SInt32 containingFolderDirID,FSSpecPtr theFSSpecPtr)
- {
-    FSSpec container;
-    OSErr errCode;
-    errCode=FSMakeFSSpec(containingFolderVolRef,containingFolderDirID,(ConstStr255Param)"",&container);
-    if(errCode==noErr)
-    {
-        errCode=getObjectContainedInFolder(objectName,&container,theFSSpecPtr);
-    }
-    return errCode;
-}
-/** MAC Carbon only : get an FSSpec for the current application package.
-    this is mostly useful for finding the Plug-ins directory if the application chooses to store plugins in a folder next
-    to the application in the "old fashioned" way.
-    This code directly taken from Apple technote TN2015 (locating application support files under OSX)
-    TODO - this currently only supports applications that are built as a bundle, not simple unix style exectutables.
-    The technote above describes how to support this situation and we should probably add support for that at some point. But I need to sleep now.
-*/
-static OSErr getApplicationFSSpec(FSSpecPtr theFSSpecPtr)
- {
-    OSErr err = fnfErr;
-    CFBundleRef myAppsBundle = CFBundleGetMainBundle();
-    if (myAppsBundle == NULL) return err;
-    CFURLRef myBundleURL = CFBundleCopyBundleURL(myAppsBundle);
-    if (myBundleURL == NULL) return err;
-    
-    FSRef myBundleRef;
-    Boolean ok = CFURLGetFSRef(myBundleURL, &myBundleRef);
-    CFRelease(myBundleURL);
-    if (!ok) return err;
-    
-    return FSGetCatalogInfo(&myBundleRef, kFSCatInfoNone, NULL, NULL, theFSSpecPtr, NULL);
- }
- 
-/** MAC Carbon only : returns an FSSpec for the folder containing the specified file system object
-*/
- static OSErr getParentFolder(FSSpecPtr theFSSpec, FSSpecPtr theParentSpec)
- {
-    FSRef theSubjectRef;
-    FSRef theParentRef;
-    OSErr theErr;
-    
-    theErr=FSpMakeFSRef(theFSSpec,&theSubjectRef);
-    if(theErr==noErr)
-    {
-        theErr=FSGetCatalogInfo(&theSubjectRef, kFSCatInfoNone, NULL, NULL, NULL, &theParentRef);
-        if(theErr==noErr)
-        {
-            theErr=FSGetCatalogInfo(&theParentRef, kFSCatInfoNone, NULL, NULL, theParentSpec, NULL);
-        }
-    }
-    return theErr;
- }
- 
-  /** MAC Carbon only : get an FSSpec for the folder containing the current application package.
-    this is mostly useful for finding the Plug-ins directory if the application chooses to store plugins in a folder next
-    to the application in the "old fashioned" way.
-*/
-static OSErr getApplicationParentFolderFSSpec(FSSpecPtr theFolder)
-{
-    FSSpec	theApp;
-    OSErr	theErr;
-    
-    theErr=getApplicationFSSpec(&theApp);
-    if(theErr==noErr)
-    {
-       theErr=getParentFolder(&theApp,theFolder);
-    }
-    return theErr;
-}
- 
- 
-/** MAC Carbon only : get an FSSpect for a sub folder of the parent folder of the current application.
-    this is mostly useful for finding things like "plug-in" directories. Note that the proper place to put this kind of
-    thing is now supposed to be the "Application Support" folder.
-*/
-static OSErr getApplicationPeerFolderFSSpec(const std::string& folderName,FSSpecPtr theFSSpecPtr)
- {
-    FSSpec applicationFolder;
-    OSErr errCode;
-    
-    errCode=getApplicationParentFolderFSSpec(&applicationFolder);
-    if(errCode==noErr)
-    {
-        return getObjectContainedInFolder(folderName,&applicationFolder,theFSSpecPtr);
-    }
-    return errCode; // file not found error
- }
- 
- /** MAC carbon only : returns the posix style path to a file specified in an FSSpec
-    returns NULL if the file object pointed to by the FSSpec doesn't exist
- */
-static char * pathFromFSSpec(FSSpecPtr theFSSpec)
- {
-    FSRef	theObjectRef;
-    char	pathTmp[1024];
-    char	*path=NULL;
-    CFURLRef	theObjectURL;
-    OSErr	errCode;
-    
-    errCode=FSpMakeFSRef(theFSSpec,&theObjectRef);
-    if(errCode==noErr)
-    {
-        theObjectURL=CFURLCreateFromFSRef(NULL,&theObjectRef);
-        if(theObjectURL!=NULL)
-        {
-            CFStringRef thePath=CFURLCopyFileSystemPath(theObjectURL,kCFURLPOSIXPathStyle); // maybe should be HFS style on OS9 ?
-            CFStringGetCString(thePath,pathTmp,1024,kCFStringEncodingASCII);
-            path=strdup( pathTmp );
-            CFRelease(theObjectURL);CFRelease(thePath);
-        }
-    }
-    return path;
- }
- 
- /** MAC Carbon only : checks for the existance of a file (replaces unix access() for OS8/9 platform)
-*/
-static bool checkFileExists(const char *filePath)
-{
-    CFURLRef	fileURL;
-    FSRef	fileRef;
-    bool	fileExists;
-    //if(gestalt(gestaltFSAttr)==noErr)
-   //{
-    //    if(gestaltReply & gestaltFSUsesPOSIXPathsForConversion)
-    //CFURLCreateWithFileSystemPath(ilePath, kCFURLPOSIXPathStyle, Boolean isDirectory);
-    // FSPathMakeRef is only implemented on OSX, so can't use that.
-    
-    fileURL=CFURLCreateFromFileSystemRepresentation(NULL,(const UInt8 *)filePath,strlen(filePath),false); // hopefully this isolates us from dealing with what form the path is in - i think it should assume the native path format for the platfrom we're running on.
-    fileExists=CFURLGetFSRef(fileURL,&fileRef);
-    CFRelease(fileURL);
-    return fileExists;
-}
- 
- /** MAC carbon only : returns the file path of a CFURLRef as a C string.
-    you're responsible for disposing of the string when you're done
-*/
-static char *pathFromCFURL(CFURLRef theURL)
-{
-    UInt8 pathTmp[1024]; // temporary buffer for path
-    char *path=NULL;
-    if(theURL!=NULL)
-    {
-        CFURLGetFileSystemRepresentation(theURL,false,pathTmp,1024); // TODO this can fail somehow - not sure what to do if it does
-        path=strdup( (char*)pathTmp );
-    }
-    return path; // phew
-}
-
-/** MAC carbon only : searches the given bundle for a named resource and returns the path to it if it exists, otherwise NULL
-*/
-static char *getPathOfResourceInBundle(const std::string& resourceName,CFBundleRef theBundle)
-{
-    CFStringRef fileNameString=CFStringCreateWithCString (NULL,resourceName.c_str(),kCFStringEncodingASCII);
-    CFURLRef fileURL=CFBundleCopyResourceURL( theBundle, fileNameString, NULL, NULL); // look for a resource with the specified name 
-    CFRelease(fileNameString);
-    if(fileURL!=NULL)
-    {
-        notify( DEBUG_INFO ) << "found file:" << resourceName << " as a bundle resource" << endl;
-        char *thePath=pathFromCFURL(fileURL);
-        CFRelease(fileURL);
-        return thePath;
-    }
-    return NULL;
-}
-
-/** MAC carbon only : returns the path to a resource in the Application bundle as a string
-    returns NULL if the resource doesn't exist
-*/
-static char *getPathOfApplicationResource(const std::string& resourceName)
-{
-    CFBundleRef theSearchBundle=CFBundleGetMainBundle();
-    char *thePath=getPathOfResourceInBundle(resourceName,theSearchBundle);
-    return thePath;
-}
- 
-// end mac utilites
-
-void osgDB::initFilePath( void )
-{
-    char *ptr;
-    if( (ptr = getenv( "OSG_FILE_PATH" ))  )
-    {
-        notify(DEBUG_INFO) << "osgDB::Init("<<ptr<<")"<<std::endl;
-        setFilePath( ptr );
-    }
-    else if( (ptr = getenv( "OSGFILEPATH" ))  )
-    {
-        notify(DEBUG_INFO) << "osgDB::Init("<<ptr<<")"<<std::endl;
-        setFilePath( ptr );
-    }
-    else
-    {
-        notify(DEBUG_INFO) << "osgDB::Init(NULL)"<<std::endl;
-    }
-    s_filePathInitialized = true;
-}
-
-
-void osgDB::setFilePath( const char *_path )
-{
-    char buff[FILEUTILS_MAX_PATH_LENGTH];
-
-    notify(DEBUG_INFO) << "In osgDB::setFilePath("<<_path<<")"<<std::endl;
-
-    buff[0] = 0;
-
-    if( s_filePath != s_default_file_path )
-    {
-        strcpy( buff, s_filePath );
-    }
-
-    strcat( buff, PathDelimitor );
-    strcat( buff, _path );
-
-    s_filePath = strdup( buff );
-
-    s_filePathInitialized = true;
-}
-
-
-const char* osgDB::getFilePath()
-{
-    return s_filePath;
-}
-
-
-char *osgDB::findFileInPath( const char *_file, const char * filePath )
-{
-    // the mac version now works, but it doesn't do much yet, since paths don't really mean much on the mac.
-    #define CHECK_FILE_EXISTS(theFile) (checkFileExists(theFile) ? 0 : 1)
-
-    notify(DEBUG_INFO) << "FindFileInPath() : trying " << _file << " ...\n";
-    if( CHECK_FILE_EXISTS(_file) == 0 ) return (char *)_file;
-
-    char pathbuff[FILEUTILS_MAX_PATH_LENGTH];
-    char *tptr, *tmppath;
-    char *path = 0L;
-
-    notify(DEBUG_INFO) << "FindFileInPath() : trying " << _file << " ...\n";
-    if( CHECK_FILE_EXISTS( _file ) == 0 ) 
-    {
-        return strdup(_file);
-    }
-
-    tptr    = strdup( filePath );
-    tmppath = strtok(  tptr, PathDelimitor );
-
-    do
-    {
-        sprintf( pathbuff, "%s/%s", tmppath, _file );
-        notify(DEBUG_INFO) << "FindFileInPath() : trying " << pathbuff << " ...\n";
-        if( CHECK_FILE_EXISTS(pathbuff) == 0 ) break;
-    } while( (tmppath = strtok( 0, PathDelimitor )) );
-
-    if( tmppath != (char *)0L )
-        path = strdup( pathbuff );
-
-    ::free(tptr);
-
-    if (path) notify( DEBUG_INFO ) << "FindFileInPath() : returning " << path << endl;
-	else notify( DEBUG_INFO ) << "FindFileInPath() : returning NULL" << endl;
-    
-    return path;
-//#endif
-}
-
-
-char *osgDB::findFile( const char *file )
-{
-    if (!file) return NULL;
-    
-    if (!s_filePathInitialized) initFilePath();
-
-    char* newFileName = findFileInPath( file, s_filePath );
-    if (newFileName) return newFileName;
-    
-
-    // need to check here to see if file has a path on it.
-    
-    // now strip the file of an previous path if one exists.
-    std::string simpleFileName = getSimpleFileName(file);
-    newFileName = findFileInPath( simpleFileName.c_str(), s_filePath );
-    if (newFileName) return newFileName;
-    
-    // on the mac we look inside the application's bundle for a resource with the correct name after we've tried the explicitly defined paths
-    newFileName=getPathOfApplicationResource(simpleFileName);
-    return newFileName;
-}
-
-/*
-
-Order of precedence for
-
-Under UNIX.
-
-  ./
-  OSG_LD_LIBRARY_PATH
-  s_default_dso_path
-  LD_LIBRARY*_PATH
-
-Under Windows
-
-  ./
-  OSG_LD_LIBRARY_PATH
-  s_default_dso_path
-  PATH
-
-Under MAC Carbon
-    things are a little complex. The normal place to put plug-ins is supposed to be your apps "application support" folder.
-    However, i've tried to support other places that you might want to put them.
-    At the moment a plugin found next to the application will take precedence over all others - 
-    this is so that during development you can just build plugins to your deffault build folder and they'll work.
-    TODO : I should proabably conditionally compile this so that this behaviour deosn't happen when doing a deployment build.
-    As a fallback the appliction will search it's Application bundle and then the OSG framework for plug-ins.
-    This means that an application (or even just the OSG frameowrk itself) can be delivered as a single bundle "file" which
-    will Just Work straight off, but that the plug ins contained there can be supersceded by newer versions explicitly provided by the user.
-    TODO : Currently I don't searh OSG_LD_LIBRARY_PATH, though it shouldn't be difficult to implement.
-
-  Application folder
-  Applictaion Folder/Plug-ins
-  User domain/Application Support/OSG/Plug-ins
-  Local domain/Application Support/OSG/Plug-ins
-  Network domain/Application Support/OSG/Plug-ins
-  Current Application Bundle/Plug-ins
-  OSG Framework
-
-*/
-
-char *osgDB::findDSO( const char *name )
-{
-    // mac version - wow the ifdefs have got pretty wild and crazy here - couldn't it be sorted out a little ?
-
-    // On the mac we look in the mac default locations.
-    // ie. in the users application support folder, the local application support folder, the network application support folder and a "Plug-ins" folder in the same directory as the application and finally in the application bundle itself
-    // this should give us the correct behaviour for loading plug-ins, I think roughly matching the strategyusde by PlugIn Services.
-    // BUT we're not doing any of the more fancy plug-in services stuff like dealing with different version of plaug-ins, we just use the first one we find.
-    // note that I've tried to avoid using path strings as much as possible for compatibility with OS8/9
-    // TODO - ideally we would make the Registry class a bit more abstract so that it could be implemented differently on different platforms.
-    // the MacOS has a "PlugIn Services" API that duplicates virtually all this functionality and would be a lot simpler to deal with
-    // on the mac.
-    SInt16 foundVRefNum;
-    SInt32 foundDirID;
-    FSSpec foundFileSpec;
-    FSSpec appPlugInsFolder;
-    CFBundleRef theSearchBundle; // reference to a bundle that is being seacrched for resources
-    
-    notify( DEBUG_INFO ) << "searching for plug-in:" << name << endl;
-    
-    // to make development easier we'll look for plugins in the same folder as the application first. This means that the plug-ins and application can easily be built
-    // in the same folder and the appl will use them first. This should probably only happen during development, and when building a deployment version this behaviour should be
-    // removed, but I can't be bothered at the moment.
-    if(getApplicationParentFolderFSSpec(&appPlugInsFolder)==noErr)
-    {
-        if(getObjectContainedInFolder(name,&appPlugInsFolder,&foundFileSpec)==noErr)
-        {
-            notify( DEBUG_INFO ) << "found plugin:" << name << " next to Application" << endl;
-            return pathFromFSSpec(&foundFileSpec);
-        }
-    }
-    
-    // next look in Plug-ins driectory next to current application. This isn't the "standard" carbon way to do things, but very common so we should support it, i think.
-    if(getApplicationPeerFolderFSSpec("Plug-ins",&appPlugInsFolder)==noErr)
-    {
-        if(getObjectContainedInFolder(name,&appPlugInsFolder,&foundFileSpec)==noErr)
-        {
-            notify( DEBUG_INFO ) << "found plugin:" << name << " in Plug-ins folder next to Application" << endl;
-            return pathFromFSSpec(&foundFileSpec);
-        }
-    }
-
-    // next check in the normal places to find plugins.
-    if(FindFolder( kUserDomain, kApplicationSupportFolderType, kDontCreateFolder,&foundVRefNum, &foundDirID)==noErr)
-    {
-        if(getObjectContainedInFolder("Open Scene Graph",foundVRefNum, foundDirID, &appPlugInsFolder)==noErr)
-        {
-            if(getObjectContainedInFolder(name,&appPlugInsFolder,&foundFileSpec)==noErr)
-            {
-                notify( DEBUG_INFO ) << "found plugin:" << name << " in user domain appliaction support folder" << endl;
-                return pathFromFSSpec(&foundFileSpec);
-            }
-        }
-    }
-    if(FindFolder( kLocalDomain, kApplicationSupportFolderType, kDontCreateFolder,&foundVRefNum, &foundDirID)==noErr)
-    {
-        if(getObjectContainedInFolder("Open Scene Graph",foundVRefNum, foundDirID, &appPlugInsFolder)==noErr)
-        {
-            if(getObjectContainedInFolder(name,&appPlugInsFolder,&foundFileSpec)==noErr)
-            {
-                notify( DEBUG_INFO ) << "found plugin:" << name << " in local domain appliaction support folder" << endl;
-                return pathFromFSSpec(&foundFileSpec);
-            }
-        }
-    }
-    if(FindFolder( kNetworkDomain, kApplicationSupportFolderType, kDontCreateFolder,&foundVRefNum, &foundDirID)==noErr)
-    {
-        if(getObjectContainedInFolder("Open Scene Graph",foundVRefNum, foundDirID, &appPlugInsFolder)==noErr)
-        {
-            if(getObjectContainedInFolder(name,&appPlugInsFolder,&foundFileSpec)==noErr)
-            {
-                notify( DEBUG_INFO ) << "found plugin:" << name << " in network domain appliaction support folder" << endl;
-                return pathFromFSSpec(&foundFileSpec);
-            }
-        }
-    }
-    
-    // next we'll check if the Application has a resource with the correct name. This will allow plug-ins to be packaged inside the application itself.
-    char *thePath=getPathOfApplicationResource(name);
-    if(thePath!=NULL)
-    {
-        notify( DEBUG_INFO ) << "found plugin:" << name << " as an application resource" << endl;
-        return thePath;
-    }
-    
-    // as a last resort we look inside the "OSG" framework to see if we can find anything there.
-    theSearchBundle = CFBundleGetBundleWithIdentifier(CFSTR("org.OpenSceneGraph.Core"));
-    if (theSearchBundle != NULL)
-    {
-        thePath=getPathOfResourceInBundle(name,theSearchBundle);
-        CFRelease(theSearchBundle);
-    }
-    if(thePath==NULL)
-        notify( DEBUG_INFO ) << "couldn't find plugin:"<< name << endl;
-    else
-        notify( DEBUG_INFO ) << "found plugin:" << name << " as an OSG framework resource" << endl;
-    return thePath;
-}
-
-
-/***************************************************************************/
-
-// TODO
-osgDB::DirectoryContents osgDB::getDirectoryContents(const std::string& dirName)
-{
-    osgDB::DirectoryContents contents;
-    notify(WARN)<<"Warning : MAC implementation doesn't implement getDirectoryContents yet"<<endl;
-    return contents;
-}
-
-std::string osg::findFileInPath(const std::string& filename, const FilePath& filePath)
-{
-    notify(WARN)<<"Warning : MAC implementation doesn't findFileInPath yet"<<endl;
-    return std::string;
-}
-
-std::string osg::findLibraryInPath(const std::string& filename, const FilePath& filePath)
-{
-    notify(WARN)<<"Warning : MAC implementation doesn't findLibraryInPath yet"<<endl;
-    return std::string;
-}
-
-bool osgDB::fileExists(const std::string& filename)
-{
-    CFURLRef	fileURL;
-    FSRef	fileRef;
-    bool	fileExists;
-
-    fileURL=CFURLCreateFromFileSystemRepresentation(NULL,(const UInt8 *)filename.c_str(),filename.size(),false); // hopefully this isolates us from dealing with what form the path is in - i think it should assume the native path format for the platfrom we're running on.
-    fileExists=CFURLGetFSRef(fileURL,&fileRef);
-    CFRelease(fileURL);
-    return fileExists;
-}
-